R Under development (unstable) (2024-06-24 r86823 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> if (requireNamespace("testthat", quietly = TRUE)) {
+   library("checkmate")
+   library("testthat")
+   library("mlr3")
+   test_check("mlr3")
+ }
Loading required namespace: Matrix
ERROR [17:52:44.850] [mlr3] predict: Error from classif.debug->predict()
ERROR [17:53:05.841] [mlr3] train: Error from classif.debug->train()
ERROR [17:53:05.878] [mlr3] train: Error from classif.debug->train()
ERROR [17:53:05.923] [mlr3] train: Error from classif.debug->train()
ERROR [17:53:06.061] [mlr3] train: Error from classif.debug->train()
ERROR [17:53:06.096] [mlr3] train: Error from classif.debug->train()
ERROR [17:53:06.130] [mlr3] train: Error from classif.debug->train()
ERROR [17:53:06.325] [mlr3] train: Error from classif.debug->train()
ERROR [17:53:06.355] [mlr3] train: Error from classif.debug->train()
ERROR [17:53:06.385] [mlr3] train: Error from classif.debug->train()
WARN  [17:53:29.079] [mlr3] train: Warning from classif.debug->train()
ERROR [17:53:29.102] [mlr3] train: Error from classif.debug->train()
WARN  [17:53:29.140] [mlr3] predict: Warning from classif.debug->predict()
ERROR [17:53:29.182] [mlr3] predict: Error from classif.debug->predict()
WARN  [17:53:29.273] [mlr3] train: Warning from classif.debug->train()
WARN  [17:53:29.298] [mlr3] train: Warning from classif.debug->train()
WARN  [17:53:29.331] [mlr3] train: Warning from classif.debug->train()
WARN  [17:53:29.403] [mlr3] train: Warning from classif.debug->train()
ERROR [17:53:29.411] [mlr3] predict: Error from classif.debug->predict()
WARN  [17:53:29.426] [mlr3] train: Warning from classif.debug->train()
ERROR [17:53:29.434] [mlr3] predict: Error from classif.debug->predict()
WARN  [17:53:29.450] [mlr3] train: Warning from classif.debug->train()
ERROR [17:53:29.458] [mlr3] predict: Error from classif.debug->predict()
WARN  [17:53:29.610] [mlr3] train: Warning from classif.debug->train()
WARN  [17:53:29.641] [mlr3] train: Warning from classif.debug->train()
WARN  [17:53:29.668] [mlr3] train: Warning from classif.debug->train()
WARN  [17:53:29.766] [mlr3] train: Warning from classif.debug->train()
ERROR [17:53:29.774] [mlr3] predict: Error from classif.debug->predict()
WARN  [17:53:29.790] [mlr3] train: Warning from classif.debug->train()
ERROR [17:53:29.798] [mlr3] predict: Error from classif.debug->predict()
WARN  [17:53:29.814] [mlr3] train: Warning from classif.debug->train()
ERROR [17:53:29.822] [mlr3] predict: Error from classif.debug->predict()
ERROR [17:53:30.725] [mlr3] train: Error from classif.debug->train()
ERROR [17:53:30.878] [mlr3] predict: Error from classif.debug->predict()
ERROR [17:53:31.085] [mlr3] predict: Error from classif.debug->predict()
ERROR [17:53:31.132] [mlr3] predict: Error from classif.debug->predict()
ERROR [17:53:31.181] [mlr3] predict: Error from classif.debug->predict()
ERROR [17:54:14.990] [mlr3] train: Error from classif.debug->train()
[ FAIL 0 | WARN 0 | SKIP 5 | PASS 13241 ]

══ Skipped tests (5) ═══════════════════════════════════════════════════════════
• On CRAN (2): 'test_Measure.R:128:3', 'test_parallel.R:91:3'
• On Windows (1): 'test_parallel.R:62:3'
• distr6 cannot be loaded (1): 'test_PredictionRegr.R:54:3'
• empty test (1): 'test_resample.R:368:1'

[ FAIL 0 | WARN 0 | SKIP 5 | PASS 13241 ]
> 
> proc.time()
   user  system elapsed 
 105.14    6.67  166.31