[R-pkg-devel] WARNING from R-devel not from 3.4.0 "cannot open file ... the process cannot access the file because it is being used by another process"

[Bailey, Paul]

I'm trying to submit a package and I get an odd error when I run R CMD check --as-cran on R-devel and I only bring this up because I don't get with 3.4.0.

* checking package subdirectories ... WARNING
Warning messages:
1: In file.info(x, extra_cols = FALSE) :
  cannot open file 'c:/MyPackage.Rcheck/00_pkg_src/MyPackage/R/..': The process cannot access the file because it is being used by another
process
2: In file.info(x, extra_cols = FALSE) :
  cannot open file 'c:/MyPackage.Rcheck/00_pkg_src/MyPackage/man/..': The process cannot access the file because it is being used by another process
Please remove or rename the files.
See section 'Package subdirectories' in the 'Writing R Extensions'
manual.

I'm only running one R instance at a time

If it helps:

> version
               _
platform       x86_64-w64-mingw32
arch           x86_64
os             mingw32
system         x86_64, mingw32
status         Under development (unstable)
major          3
minor          5.0
year           2017
month          04
day            23
svn rev        72605
language       R
version.string R Under development (unstable) (2017-04-23 r72605)
nickname       Unsuffered Consequences

I have run both several times and both persist in seeing (R-devel) or not seeing (R-3.4.0) the error.

I have also tried deleting the .Rcheck folder and starting fresh, same results.


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