warning: an array of `Range` that is only one element --> halo2_gadgets/src/utilities.rs:408:47 | 408 | decompose(pallas::Base::random(rng), &[0..255]); | ^^^^^^^^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_range_in_vec_init = note: `-W clippy::single-range-in-vec-init` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::single_range_in_vec_init)]` help: if you wanted a `Vec` that contains the entire range, try | 408 | decompose(pallas::Base::random(rng), &(0..255).collect::<std::vec::Vec<usize>>()); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ help: if you wanted an array of len 255, try | 408 | decompose(pallas::Base::random(rng), &[0; 255]); | ~~~~~~

warning: use of `default` to create a unit struct --> halo2_gadgets/src/utilities.rs:128:34 | 128 | _phantom: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_gadgets/src/utilities.rs:119:34 | 119 | _phantom: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_gadgets/src/utilities.rs:104:34 | 104 | _phantom: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: accessing first element with `proofs.get(0)` --> halo2_gadgets/src/utilities/lookup_range_check.rs:687:23 | 687 | match proofs.get(0) { | ^^^^^^^^^^^^^ help: try: `proofs.first()` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first = note: `-W clippy::get-first` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::get_first)]`

warning: use of `default` to create a unit struct --> halo2_gadgets/src/utilities/lookup_range_check.rs:56:38 | 56 | _phantom: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_gadgets/src/sinsemilla.rs:680:48 | 680 | ... .chain(right.into_iter()), | ^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `right` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:484:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_gadgets/src/sinsemilla.rs:679:48 | 679 | ... .chain(left.into_iter()) | ^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `left` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:484:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion = note: `-W clippy::useless-conversion` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::useless_conversion)]`

warning: the borrowed expression implements the required traits --> halo2_gadgets/benches/poseidon.rs:127:25 | 127 | val.pow_vartime(&[5]) | ^^^^ help: change this to: `[5]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args = note: `-W clippy::needless-borrows-for-generic-args` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::needless_borrows_for_generic_args)]`

warning: non-local `impl` definition, they should be avoided as they go against expectation --> halo2_gadgets/src/ecc/chip/mul.rs:422:5 | 422 | / construct_uint! { 423 | | struct U256(4); 424 | | } | |_____^ | = help: move this `impl` block outside the of the current function `decompose_for_scalar_mul` = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363> = note: the macro `$crate::impl_mul_for_primitive` may come from an old version of the `uint` crate, try updating your dependency with `cargo update -p uint` = note: this warning originates in the macro `$crate::impl_mul_for_primitive` which comes from the expansion of the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: non-local `impl` definition, they should be avoided as they go against expectation --> halo2_gadgets/src/ecc/chip/mul.rs:422:5 | 422 | / construct_uint! { 423 | | struct U256(4); 424 | | } | |_____^ | = help: move this `impl` block outside the of the current function `decompose_for_scalar_mul` = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363> = note: the macro `$crate::impl_mul_for_primitive` may come from an old version of the `uint` crate, try updating your dependency with `cargo update -p uint` = note: this warning originates in the macro `$crate::impl_mul_for_primitive` which comes from the expansion of the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: non-local `impl` definition, they should be avoided as they go against expectation --> halo2_gadgets/src/ecc/chip/mul.rs:422:5 | 422 | / construct_uint! { 423 | | struct U256(4); 424 | | } | |_____^ | = help: move this `impl` block outside the of the current function `decompose_for_scalar_mul` = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363> = note: the macro `$crate::impl_mul_for_primitive` may come from an old version of the `uint` crate, try updating your dependency with `cargo update -p uint` = note: this warning originates in the macro `$crate::impl_mul_for_primitive` which comes from the expansion of the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: non-local `impl` definition, they should be avoided as they go against expectation --> halo2_gadgets/src/ecc/chip/mul.rs:422:5 | 422 | / construct_uint! { 423 | | struct U256(4); 424 | | } | |_____^ | = help: move this `impl` block outside the of the current function `decompose_for_scalar_mul` = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363> = note: the macro `$crate::impl_mul_for_primitive` may come from an old version of the `uint` crate, try updating your dependency with `cargo update -p uint` = note: this warning originates in the macro `$crate::impl_mul_for_primitive` which comes from the expansion of the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: non-local `impl` definition, they should be avoided as they go against expectation --> halo2_gadgets/src/ecc/chip/mul.rs:422:5 | 422 | / construct_uint! { 423 | | struct U256(4); 424 | | } | |_____^ | = help: move this `impl` block outside the of the current function `decompose_for_scalar_mul` = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363> = note: the macro `$crate::impl_mul_for_primitive` may come from an old version of the `uint` crate, try updating your dependency with `cargo update -p uint` = note: this warning originates in the macro `$crate::impl_mul_for_primitive` which comes from the expansion of the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: non-local `impl` definition, they should be avoided as they go against expectation --> halo2_gadgets/src/ecc/chip/mul.rs:422:5 | 422 | / construct_uint! { 423 | | struct U256(4); 424 | | } | |_____^ | = help: move this `impl` block outside the of the current function `decompose_for_scalar_mul` = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363> = note: the macro `$crate::impl_mul_for_primitive` may come from an old version of the `uint` crate, try updating your dependency with `cargo update -p uint` = note: this warning originates in the macro `$crate::impl_mul_for_primitive` which comes from the expansion of the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: non-local `impl` definition, they should be avoided as they go against expectation --> halo2_gadgets/src/ecc/chip/mul.rs:422:5 | 422 | / construct_uint! { 423 | | struct U256(4); 424 | | } | |_____^ | = help: move this `impl` block outside the of the current function `decompose_for_scalar_mul` = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363> = note: the macro `$crate::impl_mul_for_primitive` may come from an old version of the `uint` crate, try updating your dependency with `cargo update -p uint` = note: this warning originates in the macro `$crate::impl_mul_for_primitive` which comes from the expansion of the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: non-local `impl` definition, they should be avoided as they go against expectation --> halo2_gadgets/src/ecc/chip/mul.rs:422:5 | 422 | / construct_uint! { 423 | | struct U256(4); 424 | | } | |_____^ | = help: move this `impl` block outside the of the current function `decompose_for_scalar_mul` = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363> = note: the macro `$crate::impl_mul_for_primitive` may come from an old version of the `uint` crate, try updating your dependency with `cargo update -p uint` = note: this warning originates in the macro `$crate::impl_mul_for_primitive` which comes from the expansion of the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: non-local `impl` definition, they should be avoided as they go against expectation --> halo2_gadgets/src/ecc/chip/mul.rs:422:5 | 422 | / construct_uint! { 423 | | struct U256(4); 424 | | } | |_____^ | = help: move this `impl` block outside the of the current function `decompose_for_scalar_mul` = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363> = note: the macro `$crate::impl_mul_for_primitive` may come from an old version of the `uint` crate, try updating your dependency with `cargo update -p uint` = note: this warning originates in the macro `$crate::impl_mul_for_primitive` which comes from the expansion of the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: non-local `impl` definition, they should be avoided as they go against expectation --> halo2_gadgets/src/ecc/chip/mul.rs:422:5 | 422 | / construct_uint! { 423 | | struct U256(4); 424 | | } | |_____^ | = help: move this `impl` block outside the of the current function `decompose_for_scalar_mul` = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363> = note: the macro `$crate::impl_mul_for_primitive` may come from an old version of the `uint` crate, try updating your dependency with `cargo update -p uint` = note: this warning originates in the macro `$crate::impl_mul_for_primitive` which comes from the expansion of the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: non-local `impl` definition, they should be avoided as they go against expectation --> halo2_gadgets/src/ecc/chip/mul.rs:422:5 | 422 | / construct_uint! { 423 | | struct U256(4); 424 | | } | |_____^ | = help: move this `impl` block outside the of the current function `decompose_for_scalar_mul` = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363> = note: the macro `$crate::impl_mul_for_primitive` may come from an old version of the `uint` crate, try updating your dependency with `cargo update -p uint` = note: this warning originates in the macro `$crate::impl_mul_for_primitive` which comes from the expansion of the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: non-local `impl` definition, they should be avoided as they go against expectation --> halo2_gadgets/src/ecc/chip/mul.rs:422:5 | 422 | / construct_uint! { 423 | | struct U256(4); 424 | | } | |_____^ | = help: move this `impl` block outside the of the current function `decompose_for_scalar_mul` = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363> = note: the macro `$crate::impl_mul_for_primitive` may come from an old version of the `uint` crate, try updating your dependency with `cargo update -p uint` = note: this warning originates in the macro `$crate::impl_mul_for_primitive` which comes from the expansion of the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: non-local `impl` definition, they should be avoided as they go against expectation --> halo2_gadgets/src/ecc/chip/mul.rs:422:5 | 422 | / construct_uint! { 423 | | struct U256(4); 424 | | } | |_____^ | = help: move this `impl` block outside the of the current function `decompose_for_scalar_mul` = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363> = note: the macro `$crate::impl_mul_for_primitive` may come from an old version of the `uint` crate, try updating your dependency with `cargo update -p uint` = note: this warning originates in the macro `$crate::impl_mul_for_primitive` which comes from the expansion of the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: non-local `impl` definition, they should be avoided as they go against expectation --> halo2_gadgets/src/ecc/chip/mul.rs:422:5 | 422 | / construct_uint! { 423 | | struct U256(4); 424 | | } | |_____^ | = help: move this `impl` block outside the of the current function `decompose_for_scalar_mul` = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363> = note: the macro `$crate::impl_mul_for_primitive` may come from an old version of the `uint` crate, try updating your dependency with `cargo update -p uint` = note: this warning originates in the macro `$crate::impl_mul_for_primitive` which comes from the expansion of the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: non-local `impl` definition, they should be avoided as they go against expectation --> halo2_gadgets/src/ecc/chip/mul.rs:422:5 | 422 | / construct_uint! { 423 | | struct U256(4); 424 | | } | |_____^ | = help: move this `impl` block outside the of the current function `decompose_for_scalar_mul` = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363> = note: the macro `$crate::impl_mul_for_primitive` may come from an old version of the `uint` crate, try updating your dependency with `cargo update -p uint` = note: this warning originates in the macro `$crate::impl_mul_for_primitive` which comes from the expansion of the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: non-local `impl` definition, they should be avoided as they go against expectation --> halo2_gadgets/src/ecc/chip/mul.rs:422:5 | 422 | / construct_uint! { 423 | | struct U256(4); 424 | | } | |_____^ | = help: move this `impl` block outside the of the current function `decompose_for_scalar_mul` = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363> = note: the macro `$crate::impl_mul_for_primitive` may come from an old version of the `uint` crate, try updating your dependency with `cargo update -p uint` = note: this warning originates in the macro `$crate::impl_mul_for_primitive` which comes from the expansion of the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: non-local `impl` definition, they should be avoided as they go against expectation --> halo2_gadgets/src/ecc/chip/mul.rs:422:5 | 422 | / construct_uint! { 423 | | struct U256(4); 424 | | } | |_____^ | = help: move this `impl` block outside the of the current function `decompose_for_scalar_mul` = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363> = note: the macro `$crate::impl_mul_for_primitive` may come from an old version of the `uint` crate, try updating your dependency with `cargo update -p uint` = note: this warning originates in the macro `$crate::impl_mul_for_primitive` which comes from the expansion of the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: non-local `impl` definition, they should be avoided as they go against expectation --> halo2_gadgets/src/ecc/chip/mul.rs:422:5 | 422 | / construct_uint! { 423 | | struct U256(4); 424 | | } | |_____^ | = help: move this `impl` block outside the of the current function `decompose_for_scalar_mul` = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363> = note: the macro `$crate::impl_mul_for_primitive` may come from an old version of the `uint` crate, try updating your dependency with `cargo update -p uint` = note: this warning originates in the macro `$crate::impl_mul_for_primitive` which comes from the expansion of the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: non-local `impl` definition, they should be avoided as they go against expectation --> halo2_gadgets/src/ecc/chip/mul.rs:422:5 | 422 | / construct_uint! { 423 | | struct U256(4); 424 | | } | |_____^ | = help: move this `impl` block outside the of the current function `decompose_for_scalar_mul` = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363> = note: the macro `$crate::impl_mul_for_primitive` may come from an old version of the `uint` crate, try updating your dependency with `cargo update -p uint` = note: this warning originates in the macro `$crate::impl_mul_for_primitive` which comes from the expansion of the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: non-local `impl` definition, they should be avoided as they go against expectation --> halo2_gadgets/src/ecc/chip/mul.rs:422:5 | 422 | / construct_uint! { 423 | | struct U256(4); 424 | | } | |_____^ | = help: move this `impl` block outside the of the current function `decompose_for_scalar_mul` = note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363> = note: the macro `$crate::impl_mul_for_primitive` may come from an old version of the `uint` crate, try updating your dependency with `cargo update -p uint` = note: `#[warn(non_local_definitions)]` on by default = note: this warning originates in the macro `$crate::impl_mul_for_primitive` which comes from the expansion of the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info)

warning: use of `default` to create a unit struct --> halo2_gadgets/src/utilities.rs:128:34 | 128 | _phantom: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_gadgets/src/utilities.rs:119:34 | 119 | _phantom: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_gadgets/src/utilities.rs:104:34 | 104 | _phantom: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_gadgets/src/utilities/lookup_range_check.rs:56:38 | 56 | _phantom: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_gadgets/src/poseidon.rs:206:33 | 206 | _marker: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_gadgets/src/poseidon.rs:159:33 | 159 | _marker: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_gadgets/src/poseidon/primitives.rs:363:33 | 363 | _domain: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_gadgets/src/poseidon/primitives.rs:257:33 | 257 | _marker: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_gadgets/src/poseidon/primitives.rs:220:33 | 220 | _marker: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_gadgets/src/poseidon/primitives/p128pow5t3.rs:88:38 | 88 | P128Pow5T3Gen(PhantomData::default()) | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_gadgets/src/poseidon/primitives/grain.rs:72:32 | 72 | _field: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs = note: `-W clippy::default-constructed-unit-structs` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::default_constructed_unit_structs)]`

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/poseidon/pow5.rs:517:77 | 517 | let r_0 = (p[0] + config.round_constants[round + 1][0]).pow(&config.alpha); | ^^^^^^^^^^^^^ help: change this to: `config.alpha` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/poseidon/pow5.rs:477:73 | 477 | let r_0 = (p[0] + config.round_constants[round][0]).pow(&config.alpha); | ^^^^^^^^^^^^^ help: change this to: `config.alpha` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/poseidon/pow5.rs:451:62 | 451 | let r: Value<Vec<F>> = q.map(|q| q.map(|q| q.pow(&config.alpha))).collect(); | ^^^^^^^^^^^^^ help: change this to: `config.alpha` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: usage of `Iterator::fold` on a type that implements `Try` --> halo2_gadgets/src/poseidon/pow5.rs:256:58 | 256 | let state = (0..config.half_full_rounds).fold(Ok(state), |res, r| { | __________________________________________________________^ 257 | | res.and_then(|state| { 258 | | state.full_round( 259 | | &mut region, ... | 264 | | }) 265 | | })?; | |__________________^ help: use `try_fold` instead: `try_fold(state, |res, r| ...)` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_try_fold

warning: usage of `Iterator::fold` on a type that implements `Try` --> halo2_gadgets/src/poseidon/pow5.rs:245:61 | 245 | let state = (0..config.half_partial_rounds).fold(Ok(state), |res, r| { | _____________________________________________________________^ 246 | | res.and_then(|state| { 247 | | state.partial_round( 248 | | &mut region, ... | 253 | | }) 254 | | })?; | |__________________^ help: use `try_fold` instead: `try_fold(state, |res, r| ...)` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_try_fold

warning: usage of `Iterator::fold` on a type that implements `Try` --> halo2_gadgets/src/poseidon/pow5.rs:241:58 | 241 | let state = (0..config.half_full_rounds).fold(Ok(state), |res, r| { | __________________________________________________________^ 242 | | res.and_then(|state| state.full_round(&mut region, config, r, r)) 243 | | })?; | |__________________^ help: use `try_fold` instead: `try_fold(state, |res, r| ...)` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_try_fold = note: `-W clippy::manual-try-fold` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::manual_try_fold)]`

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/ecc/chip/mul_fixed.rs:395:42 | 395 | .map(|k| k * (*H_SCALAR).pow(&[(NUM_WINDOWS - 1) as u64, 0, 0, 0]) - offset_acc); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `[(NUM_WINDOWS - 1) as u64, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/ecc/chip/mul_fixed.rs:390:37 | 390 | acc + (*TWO_SCALAR).pow(&[FIXED_BASE_WINDOW_SIZE as u64 * w as u64 + 1, 0, 0, 0]) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `[FIXED_BASE_WINDOW_SIZE as u64 * w as u64 + 1, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/ecc/chip/mul_fixed.rs:373:68 | 373 | let scalar = k.map(|k| (k + *TWO_SCALAR) * (*H_SCALAR).pow(&[w as u64, 0, 0, 0])); | ^^^^^^^^^^^^^^^^^^^^ help: change this to: `[w as u64, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/ecc/chip/constants.rs:220:45 | 220 | * C::Scalar::from(H as u64).pow(&[(num_windows - 1) as u64, 0, 0, 0]) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `[(num_windows - 1) as u64, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/ecc/chip/constants.rs:217:42 | 217 | acc + C::Scalar::from(2).pow(&[FIXED_BASE_WINDOW_SIZE as u64 * w as u64 + 1, 0, 0, 0]) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `[FIXED_BASE_WINDOW_SIZE as u64 * w as u64 + 1, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/ecc/chip/constants.rs:200:53 | 200 | * C::Scalar::from(H as u64).pow(&[idx as u64, 0, 0, 0]); | ^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `[idx as u64, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/ecc/chip/constants.rs:72:53 | 72 | * C::Scalar::from(H as u64).pow(&[(num_windows - 1) as u64, 0, 0, 0]) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `[(num_windows - 1) as u64, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/ecc/chip/constants.rs:65:38 | 65 | acc + C::Scalar::from(2).pow(&[FIXED_BASE_WINDOW_SIZE as u64 * j as u64 + 1, 0, 0, 0]) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `[FIXED_BASE_WINDOW_SIZE as u64 * j as u64 + 1, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/ecc/chip/constants.rs:52:57 | 52 | * C::Scalar::from(H as u64).pow(&[w as u64, 0, 0, 0]); | ^^^^^^^^^^^^^^^^^^^^ help: change this to: `[w as u64, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args = note: `-W clippy::needless-borrows-for-generic-args` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::needless_borrows_for_generic_args)]`

warning: struct `Variable` is never constructed --> halo2_gadgets/src/sha256/table16/spread_table.rs:308:20 | 308 | pub struct Variable(Column<Advice>, usize); | ^^^^^^^^ | = note: `Variable` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis = note: `#[warn(dead_code)]` on by default

warning: usage of `Iterator::fold` on a type that implements `Try` --> halo2_proofs/src/dev.rs:1066:30 | 1066 | ... .fold(Ok(()), |acc, res| acc.and(res)) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `try_fold` instead: `try_fold((), |acc, res| ...)` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_try_fold = note: `-W clippy::manual-try-fold` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::manual_try_fold)]`

warning: use of `default` to create a unit struct --> halo2_proofs/src/dev/cost.rs:414:33 | 414 | _marker: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_proofs/src/dev/cost.rs:371:33 | 371 | _marker: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_proofs/src/dev/cost.rs:328:33 | 328 | _marker: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/poly.rs:174:22 | 174 | .zip(inv_denoms.into_iter()) | ^^^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `inv_denoms` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:603:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

warning: this bound is already specified as the supertrait of `ExactSizeIterator` --> halo2_proofs/src/poly.rs:167:26 | 167 | inv_denoms: impl Iterator<Item = F> + ExactSizeIterator, | ^^^^^^^^^^^^^^^^^^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implied_bounds_in_impls = note: `-W clippy::implied-bounds-in-impls` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::implied_bounds_in_impls)]` help: try removing this bound | 167 - inv_denoms: impl Iterator<Item = F> + ExactSizeIterator, 167 + inv_denoms: impl ExactSizeIterator<Item = F>, |

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/poly.rs:159:14 | 159 | .zip(assigned_denominators.into_iter()) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `assigned_denominators` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:603:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

warning: assigning the result of `Clone::clone()` may be inefficient --> halo2_proofs/src/poly/multiopen.rs:208:17 | 208 | point_index_set = point_idx_set.clone(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_from()`: `point_index_set.clone_from(point_idx_set)` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assigning_clones = note: `-W clippy::assigning-clones` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::assigning_clones)]`

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/poly/multiopen/prover.rs:105:58 | 105 | let (p_poly, p_poly_blind) = q_polys.into_iter().zip(q_blinds.into_iter()).fold( | ^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `q_blinds` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:603:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

warning: use of `default` to create a unit struct --> halo2_proofs/src/poly/evaluator.rs:124:36 | 124 | _evaluator: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_proofs/src/poly/evaluator.rs:78:36 | 78 | _evaluator: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs = note: `-W clippy::default-constructed-unit-structs` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::default_constructed_unit_structs)]`

warning: the borrowed expression implements the required traits --> halo2_proofs/src/poly/domain.rs:559:20 | 559 | let xn = x.pow(&[8, 0, 0, 0]); | ^^^^^^^^^^^^^ help: change this to: `[8, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: the borrowed expression implements the required traits --> halo2_proofs/src/poly/domain.rs:549:38 | 549 | points.push(domain.omega.pow(&[i, 0, 0, 0])); | ^^^^^^^^^^^^^ help: change this to: `[i, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/verifier.rs:319:25 | 319 | / lookups 320 | | .iter() 321 | | .flat_map(move |p| p.queries(vk, x)) 322 | | .into_iter(), | |________________________________________^ | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:484:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion help: consider removing the `.into_iter()` | 319 ~ lookups 320 + .iter() 321 ~ .flat_map(move |p| p.queries(vk, x)), |

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/verifier.rs:259:25 | 259 | / lookups 260 | | .iter() 261 | | .zip(vk.cs.lookups.iter()) 262 | | .flat_map(move |(p, argument)| { ... | 275 | | }) 276 | | .into_iter(), | |________________________________________^ | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:484:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion help: consider removing the `.into_iter()` | 259 ~ lookups 260 + .iter() 261 + .zip(vk.cs.lookups.iter()) 262 + .flat_map(move |(p, argument)| { 263 + p.expressions( 264 + l_0, 265 + l_last, 266 + l_blind, 267 + argument, 268 + theta, 269 + beta, 270 + gamma, 271 + advice_evals, 272 + fixed_evals, 273 + instance_evals, 274 + ) 275 ~ }), |

warning: the borrowed expression implements the required traits --> halo2_proofs/src/plonk/verifier.rs:206:24 | 206 | let xn = x.pow(&[params.n, 0, 0, 0]); | ^^^^^^^^^^^^^^^^^^^^ help: change this to: `[params.n, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/prover.rs:707:24 | 707 | .chain(lookups.iter().flat_map(move |p| p.open(pk, x)).into_iter()) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `lookups.iter().flat_map(move |p| p.open(pk, x))` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:484:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

warning: the borrowed expression implements the required traits --> halo2_proofs/src/plonk/prover.rs:599:20 | 599 | let xn = x.pow(&[params.n, 0, 0, 0]); | ^^^^^^^^^^^^^^^^^^^^ help: change this to: `[params.n, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args = note: `-W clippy::needless-borrows-for-generic-args` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::needless_borrows_for_generic_args)]`

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/prover.rs:581:28 | 581 | .chain(permutation_expressions.into_iter()) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `permutation_expressions` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:484:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/prover.rs:547:14 | 547 | .zip(lookup_expressions.into_iter()) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `lookup_expressions` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:603:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/prover.rs:546:14 | 546 | .zip(permutation_expressions.into_iter()) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `permutation_expressions` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:603:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/circuit.rs:1261:22 | 1261 | .zip(degrees.into_iter()) | ^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `degrees` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:603:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/circuit.rs:893:18 | 893 | .zip(self.constraints.into_iter()) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `self.constraints` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:603:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion = note: `-W clippy::useless-conversion` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::useless_conversion)]`

warning: use of `default` to create a unit struct --> halo2_gadgets/src/poseidon.rs:206:33 | 206 | _marker: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_gadgets/src/poseidon.rs:159:33 | 159 | _marker: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_gadgets/src/poseidon/primitives.rs:363:33 | 363 | _domain: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_gadgets/src/poseidon/primitives.rs:257:33 | 257 | _marker: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_gadgets/src/poseidon/primitives.rs:220:33 | 220 | _marker: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_gadgets/src/poseidon/primitives/grain.rs:72:32 | 72 | _field: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs = note: `-W clippy::default-constructed-unit-structs` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::default_constructed_unit_structs)]`

warning: struct `PointIndex` is never constructed --> halo2_proofs/src/plonk/circuit.rs:769:19 | 769 | pub(crate) struct PointIndex(pub usize); | ^^^^^^^^^^

warning: trait `IndexedParallelIterator` is never used --> halo2_proofs/src/multicore.rs:28:11 | 28 | pub trait IndexedParallelIterator: std::iter::Iterator {} | ^^^^^^^^^^^^^^^^^^^^^^^ | = note: `#[warn(dead_code)]` on by default

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/poseidon/pow5.rs:517:77 | 517 | let r_0 = (p[0] + config.round_constants[round + 1][0]).pow(&config.alpha); | ^^^^^^^^^^^^^ help: change this to: `config.alpha` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/poseidon/pow5.rs:477:73 | 477 | let r_0 = (p[0] + config.round_constants[round][0]).pow(&config.alpha); | ^^^^^^^^^^^^^ help: change this to: `config.alpha` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/poseidon/pow5.rs:451:62 | 451 | let r: Value<Vec<F>> = q.map(|q| q.map(|q| q.pow(&config.alpha))).collect(); | ^^^^^^^^^^^^^ help: change this to: `config.alpha` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: usage of `Iterator::fold` on a type that implements `Try` --> halo2_gadgets/src/poseidon/pow5.rs:256:58 | 256 | let state = (0..config.half_full_rounds).fold(Ok(state), |res, r| { | __________________________________________________________^ 257 | | res.and_then(|state| { 258 | | state.full_round( 259 | | &mut region, ... | 264 | | }) 265 | | })?; | |__________________^ help: use `try_fold` instead: `try_fold(state, |res, r| ...)` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_try_fold

warning: usage of `Iterator::fold` on a type that implements `Try` --> halo2_gadgets/src/poseidon/pow5.rs:245:61 | 245 | let state = (0..config.half_partial_rounds).fold(Ok(state), |res, r| { | _____________________________________________________________^ 246 | | res.and_then(|state| { 247 | | state.partial_round( 248 | | &mut region, ... | 253 | | }) 254 | | })?; | |__________________^ help: use `try_fold` instead: `try_fold(state, |res, r| ...)` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_try_fold

warning: usage of `Iterator::fold` on a type that implements `Try` --> halo2_gadgets/src/poseidon/pow5.rs:241:58 | 241 | let state = (0..config.half_full_rounds).fold(Ok(state), |res, r| { | __________________________________________________________^ 242 | | res.and_then(|state| state.full_round(&mut region, config, r, r)) 243 | | })?; | |__________________^ help: use `try_fold` instead: `try_fold(state, |res, r| ...)` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_try_fold = note: `-W clippy::manual-try-fold` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::manual_try_fold)]`

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/ecc/chip/mul_fixed.rs:395:42 | 395 | .map(|k| k * (*H_SCALAR).pow(&[(NUM_WINDOWS - 1) as u64, 0, 0, 0]) - offset_acc); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `[(NUM_WINDOWS - 1) as u64, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/ecc/chip/mul_fixed.rs:390:37 | 390 | acc + (*TWO_SCALAR).pow(&[FIXED_BASE_WINDOW_SIZE as u64 * w as u64 + 1, 0, 0, 0]) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `[FIXED_BASE_WINDOW_SIZE as u64 * w as u64 + 1, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/ecc/chip/mul_fixed.rs:373:68 | 373 | let scalar = k.map(|k| (k + *TWO_SCALAR) * (*H_SCALAR).pow(&[w as u64, 0, 0, 0])); | ^^^^^^^^^^^^^^^^^^^^ help: change this to: `[w as u64, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/ecc/chip/constants.rs:220:45 | 220 | * C::Scalar::from(H as u64).pow(&[(num_windows - 1) as u64, 0, 0, 0]) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `[(num_windows - 1) as u64, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/ecc/chip/constants.rs:217:42 | 217 | acc + C::Scalar::from(2).pow(&[FIXED_BASE_WINDOW_SIZE as u64 * w as u64 + 1, 0, 0, 0]) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `[FIXED_BASE_WINDOW_SIZE as u64 * w as u64 + 1, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/ecc/chip/constants.rs:200:53 | 200 | * C::Scalar::from(H as u64).pow(&[idx as u64, 0, 0, 0]); | ^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `[idx as u64, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/ecc/chip/constants.rs:72:53 | 72 | * C::Scalar::from(H as u64).pow(&[(num_windows - 1) as u64, 0, 0, 0]) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `[(num_windows - 1) as u64, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/ecc/chip/constants.rs:65:38 | 65 | acc + C::Scalar::from(2).pow(&[FIXED_BASE_WINDOW_SIZE as u64 * j as u64 + 1, 0, 0, 0]) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `[FIXED_BASE_WINDOW_SIZE as u64 * j as u64 + 1, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: the borrowed expression implements the required traits --> halo2_gadgets/src/ecc/chip/constants.rs:52:57 | 52 | * C::Scalar::from(H as u64).pow(&[w as u64, 0, 0, 0]); | ^^^^^^^^^^^^^^^^^^^^ help: change this to: `[w as u64, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args = note: `-W clippy::needless-borrows-for-generic-args` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::needless_borrows_for_generic_args)]`

warning: struct `Variable` is never constructed --> halo2_proofs/tests/plonk_api.rs:26:16 | 26 | pub struct Variable(Column<Advice>, usize); | ^^^^^^^^ | = note: `Variable` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis = note: `#[warn(dead_code)]` on by default

warning: struct `Variable` is never constructed --> halo2_proofs/benches/plonk.rs:19:16 | 19 | pub struct Variable(Column<Advice>, usize); | ^^^^^^^^ | = note: `Variable` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis = note: `#[warn(dead_code)]` on by default

warning: unused doc comment --> halo2_proofs/src/dev/cost.rs:109:13 | 109 | /// Selector assignments used for optimization pass | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 110 | selectors: vec![vec![false; n]; num_selectors], | ---------------------------------------------- rustdoc does not generate documentation for expression fields | = help: use `//` for a plain comment

warning: unused doc comment --> halo2_proofs/src/dev/cost.rs:107:13 | 107 | /// Pairs of cells between which we have equality constraints. | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 108 | equality: vec![], | ---------------- rustdoc does not generate documentation for expression fields | = help: use `//` for a plain comment

warning: unused doc comment --> halo2_proofs/src/dev/cost.rs:105:13 | 105 | /// Any cells assigned outside of a region. | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 106 | loose_cells: vec![], | ------------------- rustdoc does not generate documentation for expression fields | = help: use `//` for a plain comment = note: `#[warn(unused_doc_comments)]` on by default

warning: unused imports: `ParallelIterator`, `Scope` --> halo2_proofs/src/multicore.rs:15:34 | 15 | iter::{IntoParallelIterator, ParallelIterator}, | ^^^^^^^^^^^^^^^^ 16 | join, scope, Scope, | ^^^^^ | = note: `#[warn(unused_imports)]` on by default

warning: use of `default` to create a unit struct --> halo2_proofs/src/dev/cost.rs:414:33 | 414 | _marker: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_proofs/src/dev/cost.rs:371:33 | 371 | _marker: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_proofs/src/dev/cost.rs:328:33 | 328 | _marker: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/poly.rs:174:22 | 174 | .zip(inv_denoms.into_iter()) | ^^^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `inv_denoms` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:603:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

warning: this bound is already specified as the supertrait of `ExactSizeIterator` --> halo2_proofs/src/poly.rs:167:26 | 167 | inv_denoms: impl Iterator<Item = F> + ExactSizeIterator, | ^^^^^^^^^^^^^^^^^^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implied_bounds_in_impls = note: `-W clippy::implied-bounds-in-impls` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::implied_bounds_in_impls)]` help: try removing this bound | 167 - inv_denoms: impl Iterator<Item = F> + ExactSizeIterator, 167 + inv_denoms: impl ExactSizeIterator<Item = F>, |

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/poly.rs:159:14 | 159 | .zip(assigned_denominators.into_iter()) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `assigned_denominators` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:603:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

warning: assigning the result of `Clone::clone()` may be inefficient --> halo2_proofs/src/poly/multiopen.rs:208:17 | 208 | point_index_set = point_idx_set.clone(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `clone_from()`: `point_index_set.clone_from(point_idx_set)` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assigning_clones = note: `-W clippy::assigning-clones` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::assigning_clones)]`

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/poly/multiopen/prover.rs:105:58 | 105 | let (p_poly, p_poly_blind) = q_polys.into_iter().zip(q_blinds.into_iter()).fold( | ^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `q_blinds` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:603:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

warning: use of `default` to create a unit struct --> halo2_proofs/src/poly/evaluator.rs:124:36 | 124 | _evaluator: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs

warning: use of `default` to create a unit struct --> halo2_proofs/src/poly/evaluator.rs:78:36 | 78 | _evaluator: PhantomData::default(), | ^^^^^^^^^^^ help: remove this call to `default` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#default_constructed_unit_structs = note: `-W clippy::default-constructed-unit-structs` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::default_constructed_unit_structs)]`

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/verifier.rs:319:25 | 319 | / lookups 320 | | .iter() 321 | | .flat_map(move |p| p.queries(vk, x)) 322 | | .into_iter(), | |________________________________________^ | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:484:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion help: consider removing the `.into_iter()` | 319 ~ lookups 320 + .iter() 321 ~ .flat_map(move |p| p.queries(vk, x)), |

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/verifier.rs:259:25 | 259 | / lookups 260 | | .iter() 261 | | .zip(vk.cs.lookups.iter()) 262 | | .flat_map(move |(p, argument)| { ... | 275 | | }) 276 | | .into_iter(), | |________________________________________^ | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:484:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion help: consider removing the `.into_iter()` | 259 ~ lookups 260 + .iter() 261 + .zip(vk.cs.lookups.iter()) 262 + .flat_map(move |(p, argument)| { 263 + p.expressions( 264 + l_0, 265 + l_last, 266 + l_blind, 267 + argument, 268 + theta, 269 + beta, 270 + gamma, 271 + advice_evals, 272 + fixed_evals, 273 + instance_evals, 274 + ) 275 ~ }), |

warning: the borrowed expression implements the required traits --> halo2_proofs/src/plonk/verifier.rs:206:24 | 206 | let xn = x.pow(&[params.n, 0, 0, 0]); | ^^^^^^^^^^^^^^^^^^^^ help: change this to: `[params.n, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/prover.rs:707:24 | 707 | .chain(lookups.iter().flat_map(move |p| p.open(pk, x)).into_iter()) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `lookups.iter().flat_map(move |p| p.open(pk, x))` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:484:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

warning: the borrowed expression implements the required traits --> halo2_proofs/src/plonk/prover.rs:599:20 | 599 | let xn = x.pow(&[params.n, 0, 0, 0]); | ^^^^^^^^^^^^^^^^^^^^ help: change this to: `[params.n, 0, 0, 0]` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args = note: `-W clippy::needless-borrows-for-generic-args` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::needless_borrows_for_generic_args)]`

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/prover.rs:581:28 | 581 | .chain(permutation_expressions.into_iter()) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `permutation_expressions` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:484:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/prover.rs:547:14 | 547 | .zip(lookup_expressions.into_iter()) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `lookup_expressions` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:603:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/prover.rs:546:14 | 546 | .zip(permutation_expressions.into_iter()) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `permutation_expressions` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:603:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/circuit.rs:1261:22 | 1261 | .zip(degrees.into_iter()) | ^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `degrees` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:603:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion

warning: explicit call to `.into_iter()` in function argument accepting `IntoIterator` --> halo2_proofs/src/plonk/circuit.rs:893:18 | 893 | .zip(self.constraints.into_iter()) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing the `.into_iter()`: `self.constraints` | note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()` --> /rustc/a26981974230110fa8fb15e1cf04d05b9a2103f9/library/core/src/iter/traits/iterator.rs:603:12 = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion = note: `-W clippy::useless-conversion` implied by `-W clippy::all` = help: to override `-W clippy::all` add `#[allow(clippy::useless_conversion)]`

warning: struct `PointIndex` is never constructed --> halo2_proofs/src/plonk/circuit.rs:769:19 | 769 | pub(crate) struct PointIndex(pub usize); | ^^^^^^^^^^

warning: trait `IndexedParallelIterator` is never used --> halo2_proofs/src/multicore.rs:28:11 | 28 | pub trait IndexedParallelIterator: std::iter::Iterator {} | ^^^^^^^^^^^^^^^^^^^^^^^ | = note: `#[warn(dead_code)]` on by default

warning: unused doc comment --> halo2_proofs/src/dev/cost.rs:109:13 | 109 | /// Selector assignments used for optimization pass | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 110 | selectors: vec![vec![false; n]; num_selectors], | ---------------------------------------------- rustdoc does not generate documentation for expression fields | = help: use `//` for a plain comment

warning: unused doc comment --> halo2_proofs/src/dev/cost.rs:107:13 | 107 | /// Pairs of cells between which we have equality constraints. | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 108 | equality: vec![], | ---------------- rustdoc does not generate documentation for expression fields | = help: use `//` for a plain comment

warning: unused doc comment --> halo2_proofs/src/dev/cost.rs:105:13 | 105 | /// Any cells assigned outside of a region. | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 106 | loose_cells: vec![], | ------------------- rustdoc does not generate documentation for expression fields | = help: use `//` for a plain comment = note: `#[warn(unused_doc_comments)]` on by default

warning: unused imports: `ParallelIterator`, `Scope` --> halo2_proofs/src/multicore.rs:15:34 | 15 | iter::{IntoParallelIterator, ParallelIterator}, | ^^^^^^^^^^^^^^^^ 16 | join, scope, Scope, | ^^^^^ | = note: `#[warn(unused_imports)]` on by default

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