* using log directory ‘/Users/ripley/R/packages/tests-devel/umx.Rcheck’
* using R Under development (unstable) (2026-09-18 r90566)
* using platform: aarch64-apple-darwin27.0.0
* R was compiled by
    Apple clang version 21.0.0 (clang-2100.3.34.2)
    GNU Fortran (GCC) 14.2.0
* running under: macOS Golden Gate 27.0.1
* using session charset: UTF-8
* current time: 2026-10-11 14:41:38 UTC
* using option ‘--no-stop-on-test-error’
* checking for file ‘umx/DESCRIPTION’ ... OK
* this is package ‘umx’ version ‘4.80.0’
* 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 executable files ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking for sufficient/correct file permissions ... OK
* checking whether package ‘umx’ can be installed ... [17s/17s] OK
* checking installed package size ... INFO
  installed size is  8.3Mb
  sub-directories of 1Mb or more:
    R      2.0Mb
    help   5.3Mb
* 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 ... OK
* checking whether the package can be loaded with stated dependencies ... OK
* checking whether the package can be unloaded cleanly ... OK
* checking whether the namespace can be loaded with stated dependencies ... OK
* checking whether the namespace can be unloaded cleanly ... OK
* checking loading without being on the library search path ... OK
* checking whether startup messages can be suppressed ... OK
* checking use of S3 registration ... OK
* checking dependencies in R code ... NOTE
Namespace in Imports field not imported from:
  ‘MuMIn’
All declared Imports should be used.
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... [28s/28s] OK
* checking Rd files ... 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 contents of ‘data’ directory ... OK
* checking data for non-ASCII characters ... OK
* checking LazyData ... OK
* checking data for ASCII and uncompressed saves ... OK
* checking installed files from ‘inst/doc’ ... OK
* checking files in ‘vignettes’ ... OK
* checking examples ... [10s/12s] ERROR
Running examples in ‘umx-Ex.R’ failed
The error most likely occurred in:

> ### Name: umx_detect_cores
> ### Title: Detect number of CPU cores (including Performance cores)
> ### Aliases: umx_detect_cores
> 
> ### ** Examples
> 
> umx_detect_cores() # physical cores (P-cores if hybrid)
Error in `<current-expression>` : error in running command
Calls: umx_detect_cores
Execution halted
* checking for unstated dependencies in ‘tests’ ... OK
* checking tests ...
  Running ‘testthat.R’
 OK
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes ... OK
* checking re-building of vignette outputs ... [83s/84s] OK
* checking PDF version of manual ... [19s/19s] OK
* checking HTML version of manual ... [10s/10s] OK
* checking for detritus in the temp directory ... OK
* DONE

Status: 1 ERROR, 1 NOTE
See
  ‘/Users/ripley/R/packages/tests-devel/umx.Rcheck/00check.log’
for details.

      223.42 real       195.85 user        22.41 sys