• using R Under development (unstable) (2026-03-11 r89605)
• 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: 2026-03-13 02:56:38 UTC
• checking for file ‘kantorovich/DESCRIPTION’ ... OK
• checking extension type ... Package
• this is package ‘kantorovich’ version ‘3.2.0’
• package encoding: UTF-8
• checking CRAN incoming feasibility ... [2s/2s] NOTE Maintainer: ‘Stéphane Laurent <laurent_step@outlook.fr>’ No Authors@R field in DESCRIPTION. Please add one, modifying   Authors@R: person(given = "Stéphane",                     family = "Laurent",                     role = c("aut", "cre"),                     email = "laurent_step@outlook.fr") as necessary.
• 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 ‘kantorovich’ can be installed ... WARNING Found the following significant warnings:   Warning: replacing previous import ‘CVXR::outer’ by ‘gmp::outer’ when loading ‘kantorovich’ See the install log for details.
• checking package directory ... OK
• checking for future file timestamps ... OK
• checking ‘build’ directory ... OK
• checking DESCRIPTION meta-information ... NOTE   Missing dependency on R >= 4.1.0 because package code uses the pipe   |> or function shorthand \(...) syntax added in R 4.1.0.   File(s) using such syntax:     ‘kantorovich_ompr.R’
• checking top-level files ... OK
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• 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 ... [3s/4s] OK
• checking whether the package can be loaded with stated dependencies ... [3s/3s] OK
• checking whether the package can be unloaded cleanly ... [3s/4s] OK
• checking whether the namespace can be loaded with stated dependencies ... [3s/4s] OK
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• checking loading without being on the library search path ... [3s/5s] 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 ... [14s/18s] OK
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• checking for missing documentation entries ... OK
• checking for code/documentation mismatches ... OK
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• checking Rd contents ... OK
• checking for unstated dependencies in examples ... OK
• checking installed files from ‘inst/doc’ ... OK
• checking files in ‘vignettes’ ... OK
• checking examples ... [5s/6s] ERROR Running examples in ‘kantorovich-Ex.R’ failed The error most likely occurred in: > base::assign(".ptime", proc.time(), pos = "CheckExEnv") > ### Name: kantorovich_CVX > ### Title: Computes Kantorovich distance with CVX > ### Aliases: kantorovich_CVX > > ### ** Examples > > x <- c(1.5, 2, -3) > mu <- c(1/7, 2/7, 4/7) > y <- c(4, 3.5, 0, -2) > nu <- c(1/4, 1/4, 1/4, 1/4) > M <- outer(x, y, FUN = function(x, y) abs(x - y)) > kantorovich_CVX(mu, nu, dist = M) Error in `method(solve_via_data, CVXR::ECOS_Solver)`: ! Package ECOSolveR is required but not installed. Backtrace:      ▆   1. └─kantorovich::kantorovich_CVX(mu, nu, dist = M)   2. └─CVXR::psolve(problem, solver = solver, ...)   3. └─CVXR::solve_via_data(...)   4. ├─S7::S7_dispatch()   5. └─CVXR (local) `method(solve_via_data, CVXR::SolvingChain)`(...)   6. └─CVXR::solve_via_data(...)   7. ├─S7::S7_dispatch()   8. └─CVXR (local) `method(solve_via_data, CVXR::ECOS_Solver)`(...)   9. └─cli::cli_abort("Package {.pkg ECOSolveR} is required but not installed.")  10. └─rlang::abort(...) Execution halted
• checking for unstated dependencies in ‘tests’ ... OK
• checking tests ... [8s/11s] ERROR   Running ‘testthat.R’ [8s/11s] Running the tests in ‘tests/testthat.R’ failed. Complete output:   > library(testthat)   > library(kantorovich)   Warning message:   replacing previous import 'CVXR::outer' by 'gmp::outer' when loading 'kantorovich'   > library(gmp)      Attaching package: 'gmp'      The following objects are masked from 'package:base':          %*%, apply, crossprod, matrix, tcrossprod      >   > test_check("kantorovich")   Saving _problems/test-CVX-6.R   Saving _problems/test-CVX-16.R   Saving _problems/test-CVX-37.R   [ FAIL 3 | WARN 0 | SKIP 0 | PASS 130 ]      ══ Failed tests ════════════════════════════════════════════════════════════════   ── Error ('test-CVX.R:6:3'): kantorovich_CVX default distance ──────────────────   Error in ``method(solve_via_data, CVXR::ECOS_Solver)`(x = <object>, data = list(c = c(0, 1, 1, 1, 0, 1, 1, 1, 0), A = new("dgCMatrix", i = c(0L, 3L, 6L, 0L, 4L, 7L, 0L, 5L, 8L, 1L, 3L, 9L, 1L, 4L, 10L, 1L, 5L, 11L, 2L, 3L, 12L, 2L, 4L, 13L, 2L, 5L, 14L), p = c(0L, 3L, 6L, 9L, 12L, 15L, 18L, 21L, 24L, 27L), Dim = c(15L, 9L), Dimnames = list(NULL, NULL), x = c(1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1), factors = list()), b = c(0.142857142857143, 0.285714285714286, 0.571428571428571, 0.25, 0.25, 0.5, 0, 0, 0, 0, 0, 0, 0, 0, 0), dims = <object>, bool_idx = integer(0), int_idx = integer(0)), warm_start = FALSE, verbose = FALSE, solver_opts = list(), ...)`: Package ECOSolveR is required but not installed.   Backtrace:        ▆     1. └─kantorovich::kantorovich_CVX(mu, nu, dist = 1 - diag(3L)) at test-CVX.R:6:3     2. └─CVXR::psolve(problem, solver = solver, ...)     3. └─CVXR::solve_via_data(...)     4. ├─S7::S7_dispatch()     5. └─CVXR (local) `method(solve_via_data, CVXR::SolvingChain)`(...)     6. └─CVXR::solve_via_data(...)     7. ├─S7::S7_dispatch()     8. └─CVXR (local) `method(solve_via_data, CVXR::ECOS_Solver)`(...)     9. └─cli::cli_abort("Package {.pkg ECOSolveR} is required but not installed.")    10. └─rlang::abort(...)   ── Error ('test-CVX.R:16:3'): kantorovich_CVX - specified distance ─────────────   Error in ``method(solve_via_data, CVXR::ECOS_Solver)`(x = <object>, data = list(c = c(0, 0.333333333333333, 0.666666666666667, 1, 0.333333333333333, 0, 0.333333333333333, 0.666666666666667, 0.666666666666667, 0.333333333333333, 0, 0.333333333333333, 1, 0.666666666666667, 0.333333333333333, 0), A = new("dgCMatrix", i = c(0L, 4L, 8L, 0L, 5L, 9L, 0L, 6L, 10L, 0L, 7L, 11L, 1L, 4L, 12L, 1L, 5L, 13L, 1L, 6L, 14L, 1L, 7L, 15L, 2L, 4L, 16L, 2L, 5L, 17L, 2L, 6L, 18L, 2L, 7L, 19L, 3L, 4L, 20L, 3L, 5L, 21L, 3L, 6L, 22L, 3L, 7L, 23L), p = c(0L, 3L, 6L, 9L, 12L, 15L, 18L, 21L, 24L, 27L, 30L, 33L, 36L, 39L, 42L, 45L, 48L), Dim = c(24L, 16L), Dimnames = list(NULL, NULL), x = c(1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1), factors = list()), b = c(0.25, 0.75, 0, 0, 0, 0.5, 0.5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0), dims = <object>, bool_idx = integer(0), int_idx = integer(0)), warm_start = FALSE, verbose = FALSE, solver_opts = list(), ...)`: Package ECOSolveR is required but not installed.   Backtrace:        ▆     1. └─kantorovich::kantorovich_CVX(mu, nu, dist = dist) at test-CVX.R:16:3     2. └─CVXR::psolve(problem, solver = solver, ...)     3. └─CVXR::solve_via_data(...)     4. ├─S7::S7_dispatch()     5. └─CVXR (local) `method(solve_via_data, CVXR::SolvingChain)`(...)     6. └─CVXR::solve_via_data(...)     7. ├─S7::S7_dispatch()     8. └─CVXR (local) `method(solve_via_data, CVXR::ECOS_Solver)`(...)     9. └─cli::cli_abort("Package {.pkg ECOSolveR} is required but not installed.")    10. └─rlang::abort(...)   ── Error ('test-CVX.R:37:3'): kantorovich_CVX - nonsymmetric dist ──────────────   Error in ``method(solve_via_data, CVXR::ECOS_Solver)`(x = <object>, data = list(c = c(0, 1, 3, 1, 0, 4, 2, 4, 0), A = new("dgCMatrix", i = c(0L, 3L, 6L, 0L, 4L, 7L, 0L, 5L, 8L, 1L, 3L, 9L, 1L, 4L, 10L, 1L, 5L, 11L, 2L, 3L, 12L, 2L, 4L, 13L, 2L, 5L, 14L), p = c(0L, 3L, 6L, 9L, 12L, 15L, 18L, 21L, 24L, 27L), Dim = c(15L, 9L), Dimnames = list(NULL, NULL), x = c(1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1, 1, 1, -1), factors = list()), b = c(0.142857142857143, 0.285714285714286, 0.571428571428571, 0.333333333333333, 0.111111111111111, 0.555555555555556, 0, 0, 0, 0, 0, 0, 0, 0, 0), dims = <object>, bool_idx = integer(0), int_idx = integer(0)), warm_start = FALSE, verbose = FALSE, solver_opts = list(), ...)`: Package ECOSolveR is required but not installed.   Backtrace:        ▆     1. └─kantorovich::kantorovich_CVX(mu, nu, dist = D) at test-CVX.R:37:3     2. └─CVXR::psolve(problem, solver = solver, ...)     3. └─CVXR::solve_via_data(...)     4. ├─S7::S7_dispatch()     5. └─CVXR (local) `method(solve_via_data, CVXR::SolvingChain)`(...)     6. └─CVXR::solve_via_data(...)     7. ├─S7::S7_dispatch()     8. └─CVXR (local) `method(solve_via_data, CVXR::ECOS_Solver)`(...)     9. └─cli::cli_abort("Package {.pkg ECOSolveR} is required but not installed.")    10. └─rlang::abort(...)      [ FAIL 3 | WARN 0 | SKIP 0 | PASS 130 ]   Error:   ! Test failures.   Execution halted
• checking for unstated dependencies in vignettes ... OK
• checking package vignettes ... OK
• checking re-building of vignette outputs ... [6s/9s] ERROR Error(s) in re-building vignettes:   ... --- re-building ‘kantorovich.Rmd’ using rmarkdown Quitting from kantorovich.Rmd:176-189 [unnamed-chunk-14] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ <error/rlang_error> Error in `method(solve_via_data, CVXR::ECOS_Solver)`: ! Package ECOSolveR is required but not installed. --- Backtrace:     ▆  1. └─kantorovich::kantorovich_CVX(mu, nu, dist = M)  2. └─CVXR::psolve(problem, solver = solver, ...)  3. └─CVXR::solve_via_data(...)  4. ├─S7::S7_dispatch()  5. └─CVXR (local) `method(solve_via_data, CVXR::SolvingChain)`(...)  6. └─CVXR::solve_via_data(...)  7. ├─S7::S7_dispatch()  8. └─CVXR (local) `method(solve_via_data, CVXR::ECOS_Solver)`(...) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Error: processing vignette 'kantorovich.Rmd' failed with diagnostics: Package ECOSolveR is required but not installed. --- failed re-building ‘kantorovich.Rmd’ SUMMARY: processing the following file failed:   ‘kantorovich.Rmd’ Error: Vignette re-building failed. Execution halted
• checking PDF version of manual ... [4s/6s] OK
• checking HTML version of manual ... [1s/1s] OK
• checking for non-standard things in the check directory ... OK
• DONE

Status: 3 ERRORs, 1 WARNING, 2 NOTEs