memochange warning on upgrade data.table

[mattdowle]

memochange_1.1.0.tar.gz
./memochange.Rcheck/00check.log:* using log directory ‘/home/mdowle/build/revdeplib/memochange.Rcheck’
./memochange.Rcheck/00check.log:* using R Under development (unstable) (2020-07-14 r78854)
./memochange.Rcheck/00check.log:* using platform: x86_64-pc-linux-gnu (64-bit)
./memochange.Rcheck/00check.log:* using session charset: UTF-8
./memochange.Rcheck/00check.log:* checking for file ‘memochange/DESCRIPTION’ ... OK
./memochange.Rcheck/00check.log:* this is package ‘memochange’ version ‘1.1.0’
./memochange.Rcheck/00check.log:* package encoding: UTF-8
./memochange.Rcheck/00check.log:* checking package namespace information ... OK
./memochange.Rcheck/00check.log:* checking package dependencies ... OK
./memochange.Rcheck/00check.log:* checking if this is a source package ... OK
./memochange.Rcheck/00check.log:* checking if there is a namespace ... OK
./memochange.Rcheck/00check.log:* checking for executable files ... OK
./memochange.Rcheck/00check.log:* checking for hidden files and directories ... OK
./memochange.Rcheck/00check.log:* checking for portable file names ... OK
./memochange.Rcheck/00check.log:* checking for sufficient/correct file permissions ... OK
./memochange.Rcheck/00check.log:* checking whether package ‘memochange’ can be installed ... OK
./memochange.Rcheck/00check.log:* checking installed package size ... OK
./memochange.Rcheck/00check.log:* checking package directory ... OK
./memochange.Rcheck/00check.log:* checking ‘build’ directory ... OK
./memochange.Rcheck/00check.log:* checking DESCRIPTION meta-information ... OK
./memochange.Rcheck/00check.log:* checking top-level files ... OK
./memochange.Rcheck/00check.log:* checking for left-over files ... OK
./memochange.Rcheck/00check.log:* checking index information ... OK
./memochange.Rcheck/00check.log:* checking package subdirectories ... OK
./memochange.Rcheck/00check.log:* checking R files for non-ASCII characters ... OK
./memochange.Rcheck/00check.log:* checking R files for syntax errors ... OK
./memochange.Rcheck/00check.log:* checking whether the package can be loaded ... OK
./memochange.Rcheck/00check.log:* checking whether the package can be loaded with stated dependencies ... OK
./memochange.Rcheck/00check.log:* checking whether the package can be unloaded cleanly ... OK
./memochange.Rcheck/00check.log:* checking whether the namespace can be loaded with stated dependencies ... OK
./memochange.Rcheck/00check.log:* checking whether the namespace can be unloaded cleanly ... OK
./memochange.Rcheck/00check.log:* checking loading without being on the library search path ... OK
./memochange.Rcheck/00check.log:* checking dependencies in R code ... NOTE
./memochange.Rcheck/00check.log:Namespace in Imports field not imported from: ‘urca’
./memochange.Rcheck/00check.log:  All declared Imports should be used.
./memochange.Rcheck/00check.log:* checking S3 generic/method consistency ... OK
./memochange.Rcheck/00check.log:* checking replacement functions ... OK
./memochange.Rcheck/00check.log:* checking foreign function calls ... OK
./memochange.Rcheck/00check.log:* checking R code for possible problems ... OK
./memochange.Rcheck/00check.log:* checking Rd files ... OK
./memochange.Rcheck/00check.log:* checking Rd metadata ... OK
./memochange.Rcheck/00check.log:* checking Rd cross-references ... OK
./memochange.Rcheck/00check.log:* checking for missing documentation entries ... OK
./memochange.Rcheck/00check.log:* checking for code/documentation mismatches ... OK
./memochange.Rcheck/00check.log:* checking Rd \usage sections ... OK
./memochange.Rcheck/00check.log:* checking Rd contents ... OK
./memochange.Rcheck/00check.log:* checking for unstated dependencies in examples ... OK
./memochange.Rcheck/00check.log:* checking installed files from ‘inst/doc’ ... OK
./memochange.Rcheck/00check.log:* checking files in ‘vignettes’ ... OK
./memochange.Rcheck/00check.log:* checking examples ... OK
./memochange.Rcheck/00check.log:* checking for unstated dependencies in ‘tests’ ... OK
./memochange.Rcheck/00check.log:* checking tests ... OK
./memochange.Rcheck/00check.log:  Running ‘testthat.R’
./memochange.Rcheck/00check.log:* checking for unstated dependencies in vignettes ... OK
./memochange.Rcheck/00check.log:* checking package vignettes in ‘inst/doc’ ... OK
./memochange.Rcheck/00check.log:* checking running R code from vignettes ... NONE
./memochange.Rcheck/00check.log:  ‘Change_in_Mean.Rmd’ using ‘UTF-8’... OK
./memochange.Rcheck/00check.log:  ‘break_in_persistence.Rmd’ using ‘UTF-8’... OK
./memochange.Rcheck/00check.log:* checking re-building of vignette outputs ... WARNING
./memochange.Rcheck/00check.log:Error(s) in re-building vignettes:
./memochange.Rcheck/00check.log:  ...
./memochange.Rcheck/00check.log:--- re-building ‘Change_in_Mean.Rmd’ using rmarkdown
./memochange.Rcheck/00check.log:Quitting from lines 99-108 (Change_in_Mean.Rmd) 
./memochange.Rcheck/00check.log:Error: processing vignette 'Change_in_Mean.Rmd' failed with diagnostics:
./memochange.Rcheck/00check.log:character string is not in a standard unambiguous format
./memochange.Rcheck/00check.log:--- failed re-building ‘Change_in_Mean.Rmd’
./memochange.Rcheck/00check.log:--- re-building ‘break_in_persistence.Rmd’ using rmarkdown
./memochange.Rcheck/00check.log:--- finished re-building ‘break_in_persistence.Rmd’
./memochange.Rcheck/00check.log:SUMMARY: processing the following file failed:
./memochange.Rcheck/00check.log:  ‘Change_in_Mean.Rmd’
./memochange.Rcheck/00check.log:Error: Vignette re-building failed.
./memochange.Rcheck/00check.log:Execution halted
./memochange.Rcheck/00check.log:* checking PDF version of manual ... OK
./memochange.Rcheck/00check.log:* DONE
./memochange.Rcheck/00check.log:Status: 1 WARNING, 1 NOTE

[MichaelChirico]

Again related to fread. Will file a downstream PR later today.

[MichaelChirico]

Filed: KaiWenger/memochange#13