R Under development (unstable) (2025-02-23 r87804 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> # This script crashes in ~40s on R 2.15.3 patched and R 3.0.2 with
> # R.oo (< 1.18.0).  It only does so when 'methods' is attached.  It
> # does not crash on R 3.0.2 patched (2014-02-21 r65057) and beyond.
> # It appears to not crash with 'R CMD check' on 2.15.3 but if run
> # via 'Rscript' or similar. /HB 2014-02-22
> library("methods")
> library("R.methodsS3")
R.methodsS3 v1.8.2 (2022-06-13 22:00:14 UTC) successfully loaded. See ?R.methodsS3 for help.
> loadNamespace("R.utils")
<environment: namespace:R.utils>
> 
> # Remove all existing variables
> rm(list=ls(all.names=TRUE))
> gc()
         used (Mb) gc trigger (Mb) max used (Mb)
Ncells 336464 18.0     629540 33.7   629540 33.7
Vcells 570306  4.4    8388608 64.0  2038265 15.6
> 
> R.oo::setConstructorS3("Verbose2", function(con=stderr(), ...) {
+   R.oo::extend(R.oo::Object(), "Verbose",
+     .con = con
+   )
+ })
> 
> print(sessionInfo())
R Under development (unstable) (2025-02-23 r87804 ucrt)
Platform: x86_64-w64-mingw32/x64
Running under: Windows Server 2022 x64 (build 20348)

Matrix products: default
  LAPACK version 3.12.0

locale:
[1] LC_COLLATE=C                 LC_CTYPE=German_Germany.utf8
[3] LC_MONETARY=C                LC_NUMERIC=C                
[5] LC_TIME=C                   

time zone: Europe/Berlin
tzcode source: internal

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] R.methodsS3_1.8.2

loaded via a namespace (and not attached):
[1] compiler_4.5.0 R.utils_2.13.0 R.oo_1.27.0   
> message(Sys.time())
2025-02-24 21:22:38.364334
> local({
+   Verbose2(file())
+   gctorture(TRUE)
+   unloadNamespace("R.utils")
+   unloadNamespace("R.oo")
+   NULL
+ })
NULL
Warning message:
In for (n in loadedNamespaces()) { : closing unused connection 3 ()
> gctorture(FALSE)
> message(Sys.time())
2025-02-24 21:22:40.284332
> print(sessionInfo())
R Under development (unstable) (2025-02-23 r87804 ucrt)
Platform: x86_64-w64-mingw32/x64
Running under: Windows Server 2022 x64 (build 20348)

Matrix products: default
  LAPACK version 3.12.0

locale:
[1] LC_COLLATE=C                 LC_CTYPE=German_Germany.utf8
[3] LC_MONETARY=C                LC_NUMERIC=C                
[5] LC_TIME=C                   

time zone: Europe/Berlin
tzcode source: internal

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] R.methodsS3_1.8.2

loaded via a namespace (and not attached):
[1] compiler_4.5.0
> 
> proc.time()
   user  system elapsed 
   2.10    0.04    2.14