• using R Under development (unstable) (2026-03-09 r89583 ucrt)
• using platform: x86_64-w64-mingw32
• R was compiled by     gcc.exe (GCC) 14.3.0     GNU Fortran (GCC) 14.3.0
• running under: Windows Server 2022 x64 (build 20348)
• using session charset: UTF-8 * current time: 2026-03-10 15:32:08 UTC
• checking for file 'ccar3/DESCRIPTION' ... OK
• this is package 'ccar3' version '0.1.0'
• 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 'ccar3' can be installed ... OK See the install log 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 ... [1s] OK
• checking whether the package can be loaded with stated dependencies ... [1s] OK
• checking whether the package can be unloaded cleanly ... [1s] OK
• checking whether the namespace can be loaded with stated dependencies ... [1s] OK
• checking whether the namespace can be unloaded cleanly ... [1s] OK
• checking loading without being on the library search path ... [1s] OK
• checking use of S3 registration ... OK
• checking dependencies in R code ... WARNING Missing or unexported object: 'CVXR::solve'
• checking S3 generic/method consistency ... OK
• checking replacement functions ... OK
• checking foreign function calls ... OK
• checking R code for possible problems ... [7s] 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 examples ... [1s] OK
• checking for unstated dependencies in 'tests' ... OK
• checking tests ... [85s] ERROR   Running 'testthat.R' [84s] Running the tests in 'tests/testthat.R' failed. Complete output:   > # This file is part of the standard setup for testthat.   > # It is recommended that you do not modify it.   > #   > # Where should you do additional test configuration?   > # Learn more about the roles of various files in:   > # * https://r-pkgs.org/testing-design.html#sec-tests-files-overview   > # * https://testthat.r-lib.org/articles/special-files.html   >   > library(testthat)   > library(ccar3)   >   > test_check("ccar3")   Loading required package: ggplot2   Loading required package: lattice      Estimating optimal shrinkage intensity lambda.var (variance vector): 1      Estimating optimal shrinkage intensity lambda (correlation matrix): 0.0479      Estimating optimal shrinkage intensity lambda.var (variance vector): 1      Estimating optimal shrinkage intensity lambda (correlation matrix): 0.0479         Attaching package: 'Matrix'      The following objects are masked from 'package:pracma':          expm, lu, tril, triu      Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Initial backend setup failed with error: 95 simultaneous processes spawned   Attempting fallback PSOCK backend...   PSOCK setup also failed: 95 simultaneous processes spawned   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Initial backend setup failed with error: 95 simultaneous processes spawned   Attempting fallback PSOCK backend...   PSOCK setup also failed: 95 simultaneous processes spawned   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Error in fold 1: a dimension is zero   Error in fold 2: a dimension is zero   Error in fold 3: a dimension is zero   Saving _problems/test-cca_group_rrr-79.R   Initial backend setup failed with error: 95 simultaneous processes spawned   Attempting fallback PSOCK backend...   PSOCK setup also failed: 95 simultaneous processes spawned   Initial backend setup failed with error: 95 simultaneous processes spawned   Attempting fallback PSOCK backend...   PSOCK setup also failed: 95 simultaneous processes spawned   [1] "Done ADMM"   Saving _problems/test-cca_rrr-70.R   Initial backend setup failed with error: 95 simultaneous processes spawned   Attempting fallback PSOCK backend...   PSOCK setup also failed: 95 simultaneous processes spawned   Initial backend setup failed with error: 95 simultaneous processes spawned   Attempting fallback PSOCK backend...   PSOCK setup also failed: 95 simultaneous processes spawned   [1] "We have:"   [1] 100 1 5   [1] "--------------------------------------"   [1] "Generating data ..."   [1] "Number of non zeros is: 5"   [1] "Data generated."   [1] "--------------------------------------"      iter: 10 delta: 0.001831906   iter: 20 delta: 0.0002497733 ADMM converged in 28 iterations[1] "We have:"   [1] 100 1 5   [1] "--------------------------------------"   [1] "Generating data ..."   [1] "Number of non zeros is: 5"   [1] "Data generated."   [1] "--------------------------------------"        ADMM converged in 9 iterations[1] "We have:"   [1] 100 1 5   [1] "--------------------------------------"   [1] "Generating data ..."   [1] "Number of non zeros is: 5"   [1] "Data generated."   [1] "--------------------------------------"   [1] "We have:"   [1] 100 1 5   [1] "--------------------------------------"   [1] "Generating data ..."   [1] "Number of non zeros is: 5"   [1] "Data generated."   [1] "--------------------------------------"   Initial backend setup failed with error: 95 simultaneous processes spawned   Attempting fallback PSOCK backend...   PSOCK setup also failed: 95 simultaneous processes spawned   [ FAIL 2 | WARN 7 | SKIP 0 | PASS 112 ]      ══ Failed tests ════════════════════════════════════════════════════════════════   ── Error ('test-cca_group_rrr.R:76:3'): cca_group computes the same solutions across solvers ──   Error in `CVXR::Variable(p, q)`: Variable name "5" must be a string.   Backtrace:       ▆    1. └─ccar3::cca_group_rrr(...) at test-cca_group_rrr.R:76:3    2. └─ccar3:::solve_group_rrr_cvxr(X, tilde_Y, groups, lambda, thresh_0 = thresh_0)    3. └─CVXR::Variable(p, q)    4. └─cli::cli_abort("Variable name {.val {as.character(name)}} must be a string.")    5. └─rlang::abort(...)   ── Error ('test-cca_rrr.R:68:3'): cca_rrr computes the same solutions across solvers ──   Error in `CVXR::Variable(p, q)`: Variable name "10" must be a string.   Backtrace:       ▆    1. └─ccar3::cca_rrr(...) at test-cca_rrr.R:68:3    2. └─ccar3:::solve_rrr_cvxr(X, tilde_Y, lambda, thresh_0 = thresh_0)    3. └─CVXR::Variable(p, q)    4. └─cli::cli_abort("Variable name {.val {as.character(name)}} must be a string.")    5. └─rlang::abort(...)      [ FAIL 2 | WARN 7 | SKIP 0 | PASS 112 ]   Error:   ! Test failures.   Execution halted
• checking PDF version of manual ... [19s] OK
• checking HTML version of manual ... [5s] OK
• DONE

Status: 1 ERROR, 1 WARNING