* using log directory 'd:/Rcompile/CRANpkg/local/4.6/kantorovich.Rcheck'
* using R version 4.6.0 alpha (2026-03-28 r89738 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: 2026-03-30 15:41:53 UTC
* checking for file 'kantorovich/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'kantorovich' version '3.2.0'
* 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 'kantorovich' can be installed ... WARNING
Found the following significant warnings:
  Warning: replacing previous import 'CVXR::outer' by 'gmp::outer' when loading 'kantorovich'
See 'd:/Rcompile/CRANpkg/local/4.6/kantorovich.Rcheck/00install.out' for details.
* checking installed package size ... OK
* checking package directory ... 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
* 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 ... [3s] OK
* checking whether the package can be loaded with stated dependencies ... [2s] OK
* checking whether the package can be unloaded cleanly ... [2s] OK
* checking whether the namespace can be loaded with stated dependencies ... [2s] OK
* checking whether the namespace can be unloaded cleanly ... [3s] OK
* checking loading without being on the library search path ... [3s] 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 ... [7s] OK
* checking Rd files ... [0s] 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 installed files from 'inst/doc' ... OK
* checking files in 'vignettes' ... OK
* checking examples ... [5s] ERROR
Running examples in 'kantorovich-Ex.R' failed
The error most likely occurred in:

> ### 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 ... [7s] ERROR
  Running 'testthat.R' [7s]
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 ... [5s] 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 ... [19s] OK
* checking HTML version of manual ... [2s] OK
* DONE
Status: 3 ERRORs, 1 WARNING, 1 NOTE