* using log directory ‘/srv/hornik/tmp/CRAN_pretest/qfa.Rcheck’
* using R Under development (unstable) (2026-03-24 r89696)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    Debian clang version 21.1.8 (3+b1)
    Debian flang version 21.1.8 (3+b1)
* running under: Debian GNU/Linux forky/sid
* using session charset: UTF-8
* current time: 2026-03-25 13:59:34 UTC
* checking for file ‘qfa/DESCRIPTION’ ... OK
* checking extension type ... Package
* this is package ‘qfa’ version ‘5.0’
* package encoding: UTF-8
* checking CRAN incoming feasibility ... [4s/19s] NOTE
Maintainer: ‘Ta-Hsin Li <thl024@outlook.com>’

Found the following (possibly) invalid URLs:
  URL: http://www.cdc.gov/nchs/births.htm (moved to https://www.cdc.gov/nchs/births.htm)
    From: man/birthweight.Rd
    Status: 301
    Message: Moved Permanently
For content that is 'Moved Permanently', please change http to https,
add trailing slashes, or replace the old by the new URL.

The Description field should not start with the package name,
  'This package' or similar.
The Description field contains
  splines,'' arXiv:2603.22408. <doi:10.48550/arXiv.2603.22408>
Please refer to arXiv e-prints via their arXiv DOI <doi:10.48550/arXiv.YYMM.NNNNN>.
* 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 ‘qfa’ can be installed ... [7s/7s] OK
* used C compiler: ‘Debian clang version 21.1.8 (3+b1)’
* used Fortran compiler: ‘Debian flang version 21.1.8 (3+b1)’
* checking package directory ... OK
* checking for future file timestamps ... OK
* checking DESCRIPTION meta-information ... NOTE
Malformed Description field: should contain one or more complete sentences.
* 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 ... [1s/1s] OK
* checking whether the package can be loaded with stated dependencies ... [1s/1s] OK
* checking whether the package can be unloaded cleanly ... [1s/1s] OK
* checking whether the namespace can be loaded with stated dependencies ... [1s/1s] OK
* checking whether the namespace can be unloaded cleanly ... [1s/1s] OK
* checking loading without being on the library search path ... [1s/1s] 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 ... [12s/12s] OK
* checking Rd files ... [0s/0s] 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 ... [0s/0s] OK
* checking data for ASCII and uncompressed saves ... OK
* checking line endings in C/C++/Fortran sources/headers ... OK
* checking line endings in Makefiles ... OK
* checking compilation flags in Makevars ... OK
* checking for GNU extensions in Makefiles ... OK
* checking for portable use of $(BLAS_LIBS) and $(LAPACK_LIBS) ... OK
* checking use of PKG_*FLAGS in Makefiles ... OK
* checking use of SHLIB_OPENMP_*FLAGS in Makefiles ... OK
* checking pragmas in C/C++ headers and code ... OK
* checking compilation flags used ... OK
* checking compiled code ... OK
* checking usage of KIND in Fortran files ... OK
* checking examples ... [11s/12s] ERROR
Running examples in ‘qfa-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: sqr
> ### Title: Spline Quantile Regression by Formula
> ### Aliases: sqr
> 
> ### ** Examples
> 
> library(quantreg)
Loading required package: SparseM
> data(engel)
> engel$income <- (engel$income - mean(engel$income))/1000
> tau <- seq(0.1,0.9,0.05)
> fit <- rq(foodexp ~ income,tau=tau,data=engel)
> fit.sqr1 <- sqr(foodexp ~ income,tau=tau,spar=0.5,method="sqr1",data=engel)
> fit.sqr3 <- sqr(foodexp ~ income,tau=tau,spar=0.5,method="sqr3",data=engel)
Error in piqp::solve_piqp(P = B, c = b, A = A, b = a, x_lb = lb, x_ub = ub,  : 
  unused arguments (x_lb = lb, x_ub = ub)
Calls: sqr -> sqr3.fit
Execution halted
* checking PDF version of manual ... [3s/3s] OK
* checking HTML version of manual ... [2s/2s] OK
* checking for non-standard things in the check directory ... NOTE
Found the following files/directories:
  ‘NUL’
* checking for detritus in the temp directory ... OK
* DONE
Status: 1 ERROR, 3 NOTEs