* using log directory ‘/data/localhost/ripley/R/packages/tests-BLIS/HydroMe.Rcheck’
* using R Under development (unstable) (2026-08-27 r90452)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    gcc (GCC) 16.2.1 20260819 (Red Hat 16.2.1-2)
    GNU Fortran (GCC) 16.2.1 20260819 (Red Hat 16.2.1-2)
* running under: Fedora Linux 44 (Server Edition)
* using session charset: UTF-8
* current time: 2026-08-31 10:11:56 UTC
* using option ‘--no-stop-on-test-error’
* checking for file ‘HydroMe/DESCRIPTION’ ... OK
* checking extension type ... Package
* this is package ‘HydroMe’ version ‘2.1.2’
* 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 ‘HydroMe’ can be installed ... 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 ... 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 LazyData ... OK
* checking data for ASCII and uncompressed saves ... OK
* checking examples ... ERROR
Running examples in ‘HydroMe-Ex.R’ failed
The error most likely occurred in:

> ### Name: Campbel
> ### Title: Campbell water retention model
> ### Aliases: Campbel
> ### Keywords: models manip
> 
> ### ** Examples
> 
> data(isric)
> pf <- subset(isric, Sample=="Nicaragua38")
> require("minpack.lm")
Loading required package: minpack.lm
> campbel.ns <- nlsLM(y ~ Campbel(x,ths,alp,nscal), data=pf,
+                   control = nls.lm.control(maxiter=200),
+                   start = c(ths = Dstart(pf)[2],
+                             alp=Dstart(pf)[3], nscal=-1*(Dstart(pf)[4]-1)))
Error in nlsModel(formula, mf, start, wts) : 
  singular gradient matrix at initial parameter estimates
Calls: nlsLM -> nlsModel
Execution halted
* checking PDF version of manual ... 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
See
  ‘/data/localhost/ripley/R/packages/tests-BLIS/HydroMe.Rcheck/00check.log’
for details.

Command exited with non-zero status 1
Time 0:24.43, 14.20 + 3.21