* using log directory ‘/home/hornik/tmp/CRAN_special_clang19/mlpack.Rcheck’
* using R Under development (unstable) (2024-09-30 r87204)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    Debian clang version 19.1.0 (1)
    Debian flang-new version 19.1.0 (1)
* running under: Debian GNU/Linux trixie/sid
* using session charset: UTF-8
* checking for file ‘mlpack/DESCRIPTION’ ... OK
* this is package ‘mlpack’ version ‘4.5.0’
* package encoding: UTF-8
* checking CRAN incoming feasibility ... [6s/9s] OK
* 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 ‘mlpack’ can be installed ... [21m/21m] WARNING
Found the following significant warnings:
  ../inst/include/mlpack/methods/adaboost/adaboost_impl.hpp:338:19: warning: assigning field to itself [-Wself-assign-field]
See ‘/home/hornik/tmp/CRAN_special_clang19/mlpack.Rcheck/00install.out’ for details.
* used C++ compiler: ‘Debian clang version 19.1.0 (1)’
* checking package directory ... OK
* checking for future file timestamps ... 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 ... [0s/0s] OK
* checking whether the package can be loaded with stated dependencies ... [0s/0s] OK
* checking whether the package can be unloaded cleanly ... [0s/0s] OK
* checking whether the namespace can be loaded with stated dependencies ... [0s/0s] OK
* checking whether the namespace can be unloaded cleanly ... [0s/0s] OK
* checking loading without being on the library search path ... [0s/0s] 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 ... [6s/6s] 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 line endings in shell scripts ... 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 examples ... [2s/2s] OK
* checking for unstated dependencies in ‘tests’ ... OK
* checking tests ... [5s/5s] ERROR
  Running ‘testthat.R’ [5s/5s]
Running the tests in ‘tests/testthat.R’ failed.
Complete output:
  > library(testthat)
  > library(mlpack)
  
  Attaching package: 'mlpack'
  
  The following object is masked from 'package:stats':
  
      kmeans
  
  The following object is masked from 'package:base':
  
      det
  
  > 
  > test_check("mlpack")
  [FATAL] When passing labels from R to mlpack, labels should be in the range from 1 to the number of classes!
  
  
   *** caught segfault ***
  address (nil), cause 'unknown'
  
  Traceback:
   1: SetParamUCol(p, "ucol_in", to_matrix(ucol_in))
   2: test_r_binding(4, 12, "hello", ucol_in = y)
   3: eval_bare(quo_get_expr(.quo), quo_get_env(.quo))
   4: withCallingHandlers({    code    NULL}, error = function(cnd) {    if (can_entrace(cnd)) {        cnd <- cnd_entrace(cnd)    }    return_from(env, cnd)})
   5: .capture(act$val <- eval_bare(quo_get_expr(.quo), quo_get_env(.quo)),     ...)
   6: quasi_capture(enquo(object), label, capture_error, entrace = TRUE)
   7: expect_error(test_r_binding(4, 12, "hello", ucol_in = y))
   8: eval(code, test_env)
   9: eval(code, test_env)
  10: withCallingHandlers({    eval(code, test_env)    if (!handled && !is.null(test)) {        skip_empty()    }}, expectation = handle_expectation, skip = handle_skip, warning = handle_warning,     message = handle_message, error = handle_error)
  11: doTryCatch(return(expr), name, parentenv, handler)
  12: tryCatchOne(expr, names, parentenv, handlers[[1L]])
  13: tryCatchList(expr, names[-nh], parentenv, handlers[-nh])
  14: doTryCatch(return(expr), name, parentenv, handler)
  15: tryCatchOne(tryCatchList(expr, names[-nh], parentenv, handlers[-nh]),     names[nh], parentenv, handlers[[nh]])
  16: tryCatchList(expr, classes, parentenv, handlers)
  17: tryCatch(withCallingHandlers({    eval(code, test_env)    if (!handled && !is.null(test)) {        skip_empty()    }}, expectation = handle_expectation, skip = handle_skip, warning = handle_warning,     message = handle_message, error = handle_error), error = handle_fatal,     skip = function(e) {    })
  18: test_code(desc, code, env = parent.frame(), default_reporter = local_interactive_reporter())
  19: test_that("TestZeroLabels", {    x <- vector(mode = "integer", 10)    expect_error(test_r_binding(4, 12, "hello", urow_in = x))    y <- matrix(0, 10, 1)    expect_error(test_r_binding(4, 12, "hello", ucol_in = y))})
  20: eval(code, test_env)
  21: eval(code, test_env)
  22: withCallingHandlers({    eval(code, test_env)    if (!handled && !is.null(test)) {        skip_empty()    }}, expectation = handle_expectation, skip = handle_skip, warning = handle_warning,     message = handle_message, error = handle_error)
  23: doTryCatch(return(expr), name, parentenv, handler)
  24: tryCatchOne(expr, names, parentenv, handlers[[1L]])
  25: tryCatchList(expr, names[-nh], parentenv, handlers[-nh])
  26: doTryCatch(return(expr), name, parentenv, handler)
  27: tryCatchOne(tryCatchList(expr, names[-nh], parentenv, handlers[-nh]),     names[nh], parentenv, handlers[[nh]])
  28: tryCatchList(expr, classes, parentenv, handlers)
  29: tryCatch(withCallingHandlers({    eval(code, test_env)    if (!handled && !is.null(test)) {        skip_empty()    }}, expectation = handle_expectation, skip = handle_skip, warning = handle_warning,     message = handle_message, error = handle_error), error = handle_fatal,     skip = function(e) {    })
  30: test_code(test = NULL, code = exprs, env = env, default_reporter = StopReporter$new())
  31: source_file(path, env = env(env), desc = desc, error_call = error_call)
  32: FUN(X[[i]], ...)
  33: lapply(test_paths, test_one_file, env = env, desc = desc, error_call = error_call)
  34: doTryCatch(return(expr), name, parentenv, handler)
  35: tryCatchOne(expr, names, parentenv, handlers[[1L]])
  36: tryCatchList(expr, classes, parentenv, handlers)
  37: tryCatch(code, testthat_abort_reporter = function(cnd) {    cat(conditionMessage(cnd), "\n")    NULL})
  38: with_reporter(reporters$multi, lapply(test_paths, test_one_file,     env = env, desc = desc, error_call = error_call))
  39: test_files_serial(test_dir = test_dir, test_package = test_package,     test_paths = test_paths, load_helpers = load_helpers, reporter = reporter,     env = env, stop_on_failure = stop_on_failure, stop_on_warning = stop_on_warning,     desc = desc, load_package = load_package, error_call = error_call)
  40: test_files(test_dir = path, test_paths = test_paths, test_package = package,     reporter = reporter, load_helpers = load_helpers, env = env,     stop_on_failure = stop_on_failure, stop_on_warning = stop_on_warning,     load_package = load_package, parallel = parallel)
  41: test_dir("testthat", package = package, reporter = reporter,     ..., load_package = "installed")
  42: test_check("mlpack")
  An irrecoverable exception occurred. R is aborting now ...
  Segmentation fault
* checking PDF version of manual ... [4s/4s] OK
* checking HTML version of manual ... [2s/2s] OK
* checking for non-standard things in the check directory ... OK
* checking for detritus in the temp directory ... OK
* DONE
Status: 1 ERROR, 1 WARNING