* using log directory ‘/data/gannet/ripley/R/packages/tests-clang/MixRF.Rcheck’
* using R Under development (unstable) (2025-02-28 r87848)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    clang version 20.1.0-rc3
    flang version 20.1.0-rc3
* running under: Fedora Linux 40 (Workstation Edition)
* using session charset: UTF-8
* using option ‘--no-stop-on-test-error’
* checking for file ‘MixRF/DESCRIPTION’ ... OK
* this is package ‘MixRF’ version ‘1.0’
* 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 ‘MixRF’ can be installed ... [13s/24s] OK
See 'https://www.r-project.org/nosvn/R.check/r-devel-linux-x86_64-fedora-clang/MixRF-00install.html' for details.
* checking installed package size ... OK
* checking package 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 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 ... [19s/31s] OK
* checking Rd files ... OK
* checking Rd metadata ... OK
* checking Rd line widths ... 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 data for ASCII and uncompressed saves ... OK
* checking examples ... ERROR
Running examples in ‘MixRF-Ex.R’ failed
The error most likely occurred in:

> ### Name: MixRF
> ### Title: Mixed Random Forest
> ### Aliases: MixRF
> 
> ### ** Examples
> 
> 
> data(sleepstudy)
> 
> tmp = MixRF(Y = sleepstudy$Reaction, X = as.data.frame(sleepstudy$Days), 
+     random = "(Days|Subject)", data = sleepstudy, initialRandomEffects = 0, 
+     ErrorTolerance = 0.01, MaxIterations = 100)
Warning in optwrap(optimizer, devfun, getStart(start, rho$pp), lower = rho$lower,  :
  convergence code -2 from nloptwrap: NLOPT_INVALID_ARGS: Invalid arguments (e.g. lower bounds are bigger than upper bounds, an unknown algorithm was specified, etcetera).
Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv,  :
  unable to evaluate scaled gradient
Warning in checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv,  :
  Model failed to converge: degenerate  Hessian with 1 negative eigenvalues
Error in while (ContinueCondition) { : 
  missing value where TRUE/FALSE needed
Calls: MixRF
Execution halted
* checking PDF version of manual ... [8s/14s] OK
* checking HTML version of manual ... OK
* checking for non-standard things in the check directory ... OK
* checking for detritus in the temp directory ... OK
* DONE
Status: 1 ERROR