R Under development (unstable) (2024-01-07 r85787 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(readr)

Attaching package: 'readr'

The following objects are masked from 'package:testthat':

    edition_get, local_edition

> 
> test_check("readr")
[ FAIL 0 | WARN 6 | SKIP 39 | PASS 707 ]

══ Skipped tests (39) ══════════════════════════════════════════════════════════
• On CRAN (22): 'test-col-spec.R:133:3', 'test-col-spec.R:137:3',
  'test-col-spec.R:142:3', 'test-col-spec.R:155:3', 'test-col-spec.R:159:3',
  'test-col-spec.R:165:3', 'test-col-spec.R:175:3', 'test-col-spec.R:184:3',
  'test-col-spec.R:189:3', 'test-col-spec.R:204:3', 'test-col-spec.R:208:3',
  'test-col-spec.R:215:3', 'test-col-spec.R:232:3', 'test-col-spec.R:249:3',
  'test-melt-csv.R:86:3', 'test-parsing-datetime.R:204:3',
  'test-parsing-datetime.R:240:3', 'test-read-csv.R:89:3',
  'test-read-csv.R:233:3', 'test-read-file.R:51:3', 'test-read-file.R:58:3',
  'test-utils.R:5:3'
• On Windows (2): 'test-melt-csv.R:2:3', 'test-read-lines.R:62:3'
• edition_first() is not TRUE (15): 'test-problems.R:16:3',
  'test-read-csv.R:82:3', 'test-read-csv.R:102:3', 'test-read-csv.R:129:3',
  'test-read-csv.R:153:3', 'test-read-csv.R:166:3', 'test-read-csv.R:358:3',
  'test-read-fwf.R:67:3', 'test-read-fwf.R:105:3', 'test-read-fwf.R:110:3',
  'test-read-fwf.R:135:3', 'test-read-fwf.R:151:3', 'test-read-fwf.R:158:3',
  'test-read-lines.R:78:3', 'test-write.R:11:3'

[ FAIL 0 | WARN 6 | SKIP 39 | PASS 707 ]
> 
> proc.time()
   user  system elapsed 
  12.67    3.68   14.48