Running 'testthat.R' [173s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > if (requireNamespace("testthat", quietly = TRUE)) {
  +   library("checkmate")
  +   library("testthat")
  +   library("mlr3")
  +   test_check("mlr3")
  + }
  Loading required namespace: Matrix
  [ FAIL 37 | WARN 55 | SKIP 3 | PASS 11367 ]
  
  ══ Skipped tests ═══════════════════════════════════════════════════════════════
  • On CRAN (1)
  • On Windows (1)
  • distr6 cannot be loaded (1)
  
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Error ('test_HotstartStack.R:45'): HotstartStack works when hotstart values of hotstart learners are lower and higher than value of forward target learner ──
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("pima") at test_HotstartStack.R:45:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("PimaIndiansDiabetes2", "mlbench"))
    8.           └─mlr3misc::load_dataset("PimaIndiansDiabetes2", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_HotstartStack.R:75'): HotstartStack works with forward target learner when hotstart values are only higher ──
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("pima") at test_HotstartStack.R:75:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("PimaIndiansDiabetes2", "mlbench"))
    8.           └─mlr3misc::load_dataset("PimaIndiansDiabetes2", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_HotstartStack.R:91'): HotstartStack works with forward target learner when hotstart learners are different and values are lower, equal and higher ──
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("pima") at test_HotstartStack.R:91:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("PimaIndiansDiabetes2", "mlbench"))
    8.           └─mlr3misc::load_dataset("PimaIndiansDiabetes2", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_HotstartStack.R:109'): HotstartStack works when forward target learner is unable to hotstart ──
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("pima") at test_HotstartStack.R:109:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("PimaIndiansDiabetes2", "mlbench"))
    8.           └─mlr3misc::load_dataset("PimaIndiansDiabetes2", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_HotstartStack.R:123'): HotstartStack works when stack is empty ──
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("pima") at test_HotstartStack.R:123:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("PimaIndiansDiabetes2", "mlbench"))
    8.           └─mlr3misc::load_dataset("PimaIndiansDiabetes2", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_HotstartStack.R:132'): HotstartStack works with backward target learner and decreased hotstart parameter ──
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("pima") at test_HotstartStack.R:132:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("PimaIndiansDiabetes2", "mlbench"))
    8.           └─mlr3misc::load_dataset("PimaIndiansDiabetes2", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_HotstartStack.R:147'): HotstartStack works with backward target learner when cost of hotstarting is equal ──
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("pima") at test_HotstartStack.R:147:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("PimaIndiansDiabetes2", "mlbench"))
    8.           └─mlr3misc::load_dataset("PimaIndiansDiabetes2", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_HotstartStack.R:195'): HotstartStack works with backward target learner when hotstart values are only lower ──
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("pima") at test_HotstartStack.R:195:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("PimaIndiansDiabetes2", "mlbench"))
    8.           └─mlr3misc::load_dataset("PimaIndiansDiabetes2", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_HotstartStack.R:210'): HotstartStack works with backward target learner when hotstart learners are different and values are lower, equal and higher ──
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("pima") at test_HotstartStack.R:210:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("PimaIndiansDiabetes2", "mlbench"))
    8.           └─mlr3misc::load_dataset("PimaIndiansDiabetes2", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_HotstartStack.R:229'): HotstartStack works with forward/backward target learner and increased hotstart parameter ──
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("pima") at test_HotstartStack.R:229:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("PimaIndiansDiabetes2", "mlbench"))
    8.           └─mlr3misc::load_dataset("PimaIndiansDiabetes2", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_HotstartStack.R:246'): HotstartStack works with forward/backward target learner when cost of hotstarting is equal ──
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("pima") at test_HotstartStack.R:246:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("PimaIndiansDiabetes2", "mlbench"))
    8.           └─mlr3misc::load_dataset("PimaIndiansDiabetes2", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_HotstartStack.R:261'): HotstartStack works when hotstart values of hotstart learners are lower and higher than value of forward/backward target learner ──
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("pima") at test_HotstartStack.R:261:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("PimaIndiansDiabetes2", "mlbench"))
    8.           └─mlr3misc::load_dataset("PimaIndiansDiabetes2", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_HotstartStack.R:293'): HotstartStack works with forward/backward target learner when hotstart values are only higher ──
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("pima") at test_HotstartStack.R:293:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("PimaIndiansDiabetes2", "mlbench"))
    8.           └─mlr3misc::load_dataset("PimaIndiansDiabetes2", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_HotstartStack.R:308'): HotstartStack works with forward/backward target learner when hotstart values are only lower ──
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("pima") at test_HotstartStack.R:308:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("PimaIndiansDiabetes2", "mlbench"))
    8.           └─mlr3misc::load_dataset("PimaIndiansDiabetes2", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_HotstartStack.R:323'): HotstartStack works with forward/backward target learner when hotstart learners are different and values are lower, equal and higher ──
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("pima") at test_HotstartStack.R:323:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("PimaIndiansDiabetes2", "mlbench"))
    8.           └─mlr3misc::load_dataset("PimaIndiansDiabetes2", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_Task.R:160'): Task cbind ───────────────────────────────────────
  Error in `load_dataset("iris", "datasets")`: lazy-load database 'D:\RCompile\recent\R\library\datasets/data/Rdata.rdb' is corrupt
  Backtrace:
      ▆
   1. └─mlr3::tsk("iris") at test_Task.R:160:2
   2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
   3.     └─mlr3misc:::dictionary_get(dict, .key)
   4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
   5.         ├─base::do.call(constructor, cargs)
   6.         └─mlr3 (local) `<fn>`()
   7.           ├─mlr3::as_data_backend(load_dataset("iris", "datasets"))
   8.           └─mlr3misc::load_dataset("iris", "datasets")
  ── Error ('test_Task.R:181'): cbind/rbind works ────────────────────────────────
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("zoo") at test_Task.R:181:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(...)
    8.           └─mlr3misc::load_dataset("Zoo", "mlbench", keep_rownames = TRUE)
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_Task.R:189'): filter works ─────────────────────────────────────
  Error in `load_dataset("iris", "datasets")`: lazy-load database 'D:\RCompile\recent\R\library\datasets/data/Rdata.rdb' is corrupt
  Backtrace:
      ▆
   1. └─mlr3::tsk("iris") at test_Task.R:189:2
   2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
   3.     └─mlr3misc:::dictionary_get(dict, .key)
   4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
   5.         ├─base::do.call(constructor, cargs)
   6.         └─mlr3 (local) `<fn>`()
   7.           ├─mlr3::as_data_backend(load_dataset("iris", "datasets"))
   8.           └─mlr3misc::load_dataset("iris", "datasets")
  ── Error ('test_Task.R:229'): stratify works ───────────────────────────────────
  Error in `load_dataset("iris", "datasets")`: lazy-load database 'D:\RCompile\recent\R\library\datasets/data/Rdata.rdb' is corrupt
  Backtrace:
      ▆
   1. └─mlr3::tsk("iris") at test_Task.R:229:2
   2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
   3.     └─mlr3misc:::dictionary_get(dict, .key)
   4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
   5.         ├─base::do.call(constructor, cargs)
   6.         └─mlr3 (local) `<fn>`()
   7.           ├─mlr3::as_data_backend(load_dataset("iris", "datasets"))
   8.           └─mlr3misc::load_dataset("iris", "datasets")
  ── Error ('test_Task.R:381'): Task$set_row_roles ───────────────────────────────
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("pima") at test_Task.R:381:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("PimaIndiansDiabetes2", "mlbench"))
    8.           └─mlr3misc::load_dataset("PimaIndiansDiabetes2", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_Task.R:395'): Task$set_col_roles ───────────────────────────────
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("pima") at test_Task.R:395:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("PimaIndiansDiabetes2", "mlbench"))
    8.           └─mlr3misc::load_dataset("PimaIndiansDiabetes2", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_benchmark.R:147'): multiple measures ───────────────────────────
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("sonar") at test_benchmark.R:147:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("Sonar", "mlbench"))
    8.           └─mlr3misc::load_dataset("Sonar", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_benchmark.R:155'): predict_type is checked ─────────────────────
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("sonar") at test_benchmark.R:155:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("Sonar", "mlbench"))
    8.           └─mlr3misc::load_dataset("Sonar", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_benchmark.R:283'): debug branch ────────────────────────────────
  Error in `load_dataset("iris", "datasets")`: lazy-load database 'D:\RCompile\recent\R\library\datasets/data/Rdata.rdb' is corrupt
  Backtrace:
      ▆
   1. └─mlr3::tsk("iris", id = "iris_small") at test_benchmark.R:283:2
   2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
   3.     ├─checkmate::assert_r6(dictionary_initialize_item(.key, obj, dots[ii]))
   4.     │ └─checkmate::checkR6(...)
   5.     └─mlr3misc:::dictionary_initialize_item(.key, obj, dots[ii])
   6.       ├─base::do.call(constructor, cargs)
   7.       └─mlr3 (local) `<fn>`(id = "iris_small")
   8.         ├─mlr3::as_data_backend(load_dataset("iris", "datasets"))
   9.         └─mlr3misc::load_dataset("iris", "datasets")
  ── Error ('test_benchmark.R:331'): task and learner assertions ─────────────────
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. ├─mlr3::benchmark_grid(...) at test_benchmark.R:331:2
    2. │ ├─mlr3::assert_tasks(as_tasks(tasks))
    3. │ │ └─base::lapply(...)
    4. │ └─mlr3::as_tasks(tasks)
    5. └─mlr3::tsks(c("iris", "boston_housing"))
    6.   └─mlr3misc::dictionary_sugar_mget(mlr_tasks, .keys, ...)
    7.     └─base::lapply(.keys, dictionary_sugar_get, dict = dict, ...)
    8.       └─mlr3misc (local) FUN(X[[i]], ...)
    9.         └─mlr3misc:::dictionary_get(dict, .key)
   10.           └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
   11.             ├─base::do.call(constructor, cargs)
   12.             └─mlr3 (local) `<fn>`()
   13.               ├─mlr3::as_data_backend(load_dataset("BostonHousing2", "mlbench"))
   14.               └─mlr3misc::load_dataset("BostonHousing2", "mlbench")
   15.                 └─utils::data(list = id, package = package, envir = ee)
   16.                   └─base::load(zfile, envir = tmp_env)
  ── Error ('test_convert_task.R:2'): convert_task - Regr -> Regr ────────────────
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
      ▆
   1. └─mlr_tasks$get("boston_housing") at test_convert_task.R:2:2
   2.   └─mlr3misc:::dictionary_get(self, key, ...)
   3.     └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
   4.       ├─base::do.call(constructor, cargs)
   5.       └─mlr3 (local) `<fn>`()
   6.         ├─mlr3::as_data_backend(load_dataset("BostonHousing2", "mlbench"))
   7.         └─mlr3misc::load_dataset("BostonHousing2", "mlbench")
   8.           └─utils::data(list = id, package = package, envir = ee)
   9.             └─base::load(zfile, envir = tmp_env)
  ── Error ('test_convert_task.R:22'): convert_task - Regr -> Classif ────────────
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
      ▆
   1. └─mlr_tasks$get("boston_housing") at test_convert_task.R:22:2
   2.   └─mlr3misc:::dictionary_get(self, key, ...)
   3.     └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
   4.       ├─base::do.call(constructor, cargs)
   5.       └─mlr3 (local) `<fn>`()
   6.         ├─mlr3::as_data_backend(load_dataset("BostonHousing2", "mlbench"))
   7.         └─mlr3misc::load_dataset("BostonHousing2", "mlbench")
   8.           └─utils::data(list = id, package = package, envir = ee)
   9.             └─base::load(zfile, envir = tmp_env)
  ── Error ('test_convert_task.R:42'): convert_task - Classif -> Regr ────────────
  Error in `load_dataset("iris", "datasets")`: lazy-load database 'D:\RCompile\recent\R\library\datasets/data/Rdata.rdb' is corrupt
  Backtrace:
      ▆
   1. └─mlr_tasks$get("iris") at test_convert_task.R:42:2
   2.   └─mlr3misc:::dictionary_get(self, key, ...)
   3.     └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
   4.       ├─base::do.call(constructor, cargs)
   5.       └─mlr3 (local) `<fn>`()
   6.         ├─mlr3::as_data_backend(load_dataset("iris", "datasets"))
   7.         └─mlr3misc::load_dataset("iris", "datasets")
  ── Error ('test_convert_task.R:62'): convert_task - same target ────────────────
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("boston_housing") at test_convert_task.R:62:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("BostonHousing2", "mlbench"))
    8.           └─mlr3misc::load_dataset("BostonHousing2", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_convert_task.R:91'): convert task - general checks ─────────────
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
      ▆
   1. └─mlr_tasks$get("boston_housing") at test_convert_task.R:91:2
   2.   └─mlr3misc:::dictionary_get(self, key, ...)
   3.     └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
   4.       ├─base::do.call(constructor, cargs)
   5.       └─mlr3 (local) `<fn>`()
   6.         ├─mlr3::as_data_backend(load_dataset("BostonHousing2", "mlbench"))
   7.         └─mlr3misc::load_dataset("BostonHousing2", "mlbench")
   8.           └─utils::data(list = id, package = package, envir = ee)
   9.             └─base::load(zfile, envir = tmp_env)
  ── Error ('test_convert_task.R:103'): convert_task reconstructs task ───────────
  Error in `load_dataset("iris", "datasets")`: lazy-load database 'D:\RCompile\recent\R\library\datasets/data/Rdata.rdb' is corrupt
  Backtrace:
      ▆
   1. └─mlr_tasks$get("iris") at test_convert_task.R:103:2
   2.   └─mlr3misc:::dictionary_get(self, key, ...)
   3.     └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
   4.       ├─base::do.call(constructor, cargs)
   5.       └─mlr3 (local) `<fn>`()
   6.         ├─mlr3::as_data_backend(load_dataset("iris", "datasets"))
   7.         └─mlr3misc::load_dataset("iris", "datasets")
  ── Error ('test_convert_task.R:148'): data.frame converters ────────────────────
  Error in `as_task_regr(mtcars, "mpg")`: lazy-load database 'D:\RCompile\recent\R\library\datasets/data/Rdata.rdb' is corrupt
  Backtrace:
      ▆
   1. └─mlr3::as_task_regr(mtcars, "mpg") at test_convert_task.R:148:2
  ── Error ('test_hotstart.R:151'): learners are hotstarted when benchmark is called ──
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("pima") at test_hotstart.R:151:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("PimaIndiansDiabetes2", "mlbench"))
    8.           └─mlr3misc::load_dataset("PimaIndiansDiabetes2", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_hotstart.R:180'): learners are trained and hotstarted when benchmark is called ──
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("pima") at test_hotstart.R:180:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("PimaIndiansDiabetes2", "mlbench"))
    8.           └─mlr3misc::load_dataset("PimaIndiansDiabetes2", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_hotstart.R:216'): learners are cloned when hotstarting is applied ──
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("pima") at test_hotstart.R:216:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("PimaIndiansDiabetes2", "mlbench"))
    8.           └─mlr3misc::load_dataset("PimaIndiansDiabetes2", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_mlr_measures_selected_features.R:2'): selected_features ────────
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
       ▆
    1. └─mlr3::tsk("sonar") at test_mlr_measures_selected_features.R:2:2
    2.   └─mlr3misc::dictionary_sugar_get(mlr_tasks, .key, ...)
    3.     └─mlr3misc:::dictionary_get(dict, .key)
    4.       └─mlr3misc:::dictionary_initialize_item(key, obj, dots)
    5.         ├─base::do.call(constructor, cargs)
    6.         └─mlr3 (local) `<fn>`()
    7.           ├─mlr3::as_data_backend(load_dataset("Sonar", "mlbench"))
    8.           └─mlr3misc::load_dataset("Sonar", "mlbench")
    9.             └─utils::data(list = id, package = package, envir = ee)
   10.               └─base::load(zfile, envir = tmp_env)
  ── Error ('test_mlr_reflections.R:31'): (code run outside of `test_that()`) ────
  Error in `load(zfile, envir = tmp_env)`: empty (zero-byte) input file
  Backtrace:
      ▆
   1. ├─mlr3::as_data_backend(load_dataset("PimaIndiansDiabetes2", "mlbench")) at test_mlr_reflections.R:31:0
   2. └─mlr3misc::load_dataset("PimaIndiansDiabetes2", "mlbench")
   3.   └─utils::data(list = id, package = package, envir = ee)
   4.     └─base::load(zfile, envir = tmp_env)
  
  [ FAIL 37 | WARN 55 | SKIP 3 | PASS 11367 ]
  Error: Test failures
  Execution halted