• using R version 4.5.1 (2025-06-13 ucrt)
• using platform: x86_64-w64-mingw32
• R was compiled by     gcc.exe (GCC) 14.2.0     GNU Fortran (GCC) 14.2.0
• running under: Windows Server 2022 x64 (build 20348)
• using session charset: UTF-8
• checking for file 'luz/DESCRIPTION' ... OK
• this is package 'luz' version '0.5.0'
• package encoding: UTF-8
• checking package namespace information ... OK
• checking package dependencies ... OK
• checking if this is a source package ... OK
• checking if there is a namespace ... OK
• checking for hidden files and directories ... OK
• checking for portable file names ... OK
• checking whether package 'luz' can be installed ... OK See the install log for details.
• checking installed package size ... OK
• checking package directory ... OK
• checking 'build' directory ... OK
• checking DESCRIPTION meta-information ... OK
• checking top-level files ... OK
• checking for left-over files ... OK
• checking index information ... OK
• checking package subdirectories ... OK
• checking code files for non-ASCII characters ... OK
• checking R files for syntax errors ... OK
• checking whether the package can be loaded ... [3s] OK
• checking whether the package can be loaded with stated dependencies ... [3s] OK
• checking whether the package can be unloaded cleanly ... [3s] OK
• checking whether the namespace can be loaded with stated dependencies ... [3s] OK
• checking whether the namespace can be unloaded cleanly ... [3s] OK
• checking loading without being on the library search path ... [3s] OK
• checking use of S3 registration ... OK
• checking dependencies in R code ... OK
• checking S3 generic/method consistency ... OK
• checking replacement functions ... OK
• checking foreign function calls ... OK
• checking R code for possible problems ... [8s] OK
• checking Rd files ... [1s] OK
• checking Rd metadata ... OK
• checking Rd cross-references ... OK
• checking for missing documentation entries ... OK
• checking for code/documentation mismatches ... OK
• checking Rd \usage sections ... OK
• checking Rd contents ... OK
• checking for unstated dependencies in examples ... OK
• checking installed files from 'inst/doc' ... OK
• checking files in 'vignettes' ... OK
• checking examples ... [3s] ERROR Running examples in 'luz-Ex.R' failed The error most likely occurred in: > ### Name: lr_finder > ### Title: Learning Rate Finder > ### Aliases: lr_finder > > ### ** Examples > > if (torch::torch_is_installed()) { + library(torch) + ds <- torch::tensor_dataset(x = torch_randn(100, 10), y = torch_randn(100, 1)) + dl <- torch::dataloader(ds, batch_size = 32) + model <- torch::nn_linear + model <- model %>% setup( + loss = torch::nn_mse_loss(), + optimizer = torch::optim_adam + ) %>% + set_hparams(in_features = 10, out_features = 1) + records <- lr_finder(model, dl, verbose = FALSE) + plot(records) + }
• checking for unstated dependencies in 'tests' ... OK
• checking tests ... [3s] OK   Running 'testthat.R' [3s]
• checking for unstated dependencies in vignettes ... OK
• checking package vignettes ... OK
• checking re-building of vignette outputs ... [10s] ERROR Error(s) in re-building vignettes: --- re-building 'accelerator.Rmd' using rmarkdown --- finished re-building 'accelerator.Rmd' --- re-building 'custom-loop.Rmd' using rmarkdown --- finished re-building 'custom-loop.Rmd' --- re-building 'get-started.Rmd' using rmarkdown SUMMARY: processing the following file failed:   'get-started.Rmd' Error: Vignette re-building failed. Execution halted
• checking PDF version of manual ... [23s] OK
• checking HTML version of manual ... [10s] OK
• DONE

Status: 2 ERRORs