Running ‘testthat.R’ [119s/95s]
Running the tests in ‘tests/testthat.R’ failed.
Complete output:
  > library(testthat)
  > library(igraph)
  
  Attaching package: 'igraph'
  
  The following object is masked from 'package:testthat':
  
      compare
  
  The following objects are masked from 'package:stats':
  
      decompose, spectrum
  
  The following object is masked from 'package:base':
  
      union
  
  > 
  > test_check("igraph")
  Starting 2 test processes
  [ FAIL 3 | WARN 1 | SKIP 41 | PASS 3922 ]
  
  ══ Skipped tests (41) ══════════════════════════════════════════════════════════
  • On CRAN (38): 'test-vs-es.R:136:3', 'test-vs-es.R:157:3',
    'test-vs-es.R:180:3', 'test-authority.score.R:68:3',
    'test-bug-501-rectangles.R:14:3', 'test-graph.bfs.R:115:3',
    'test-graph.adjacency.R:537:3', 'test-graph.adjacency.R:568:3',
    'test-graph.data.frame.R:49:3', 'test-hrg.R:15:3', 'test-layout.kk.R:2:3',
    'test-make.R:58:3', 'test-make.R:67:3', 'test-make.R:75:3',
    'test-make.R:85:3', 'test-make.R:93:3', 'test-minimal.st.separators.R:12:3',
    'test-old-data-type.R:94:3', 'test-operators.R:130:3', 'test-par.R:5:3',
    'test-par.R:15:3', 'test-plot.R:15:3', 'test-plot.R:38:3',
    'test-plot.R:61:3', 'test-print.R:53:3', 'test-rng.R:2:3',
    'test-utils-ensure.R:2:3', 'test-versions.R:9:3', 'test-versions.R:19:3',
    'test-versions.R:25:3', 'test-versions.R:40:3', 'test-versions.R:55:3',
    'test-versions.R:72:3', 'test-versions.R:98:3', 'test-vs-es-printing.R:10:3',
    'test-vs-es-printing.R:28:3', 'test-vs-es-printing.R:43:3',
    'test-vs-es-printing.R:59:3'
  • empty test (1): 'test-topology.R:45:1'
  • nested igraph call handling not implemented yet (1): 'test-graph.bfs.R:99:3'
  • pcalg cannot be loaded (1): 'test-adjacency.R:20:3'
  
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Error ('test-vs-es.R:211:3'): unconnected vs/es can be reused with the same graph ──
  Error in `load(tmp)`: 'parent' is not an environment
  Backtrace:
      ▆
   1. └─base::load(tmp) at test-vs-es.R:211:3
  ── Error ('test-handler.R:2:3'): can create graphs when igraph is not attached ──
  <callr_status_error/callr_error/rlib_error_3_0/rlib_error/error/condition>
  Error in `"value[[3L]](cond)"`: ! callr subprocess failed: could not read result from callr
  Backtrace:
      ▆
   1. └─callr::r(...) at test-handler.R:2:3
   2.   └─callr:::get_result(output = out, options)
   3.     └─base::tryCatch(...)
   4.       └─base (local) tryCatchList(expr, classes, parentenv, handlers)
   5.         └─base (local) tryCatchOne(expr, names, parentenv, handlers[[1L]])
   6.           └─value[[3L]](cond)
   7.             └─throw(new_callr_crash_error(output, "could not read result from callr"))
  ── Error ('test-serialize.R:5:3'): serialization works ─────────────────────────
  Error in `unserialize(serialize(g, NULL))`: 'parent' is not an environment
  Backtrace:
      ▆
   1. └─base::unserialize(serialize(g, NULL)) at test-serialize.R:5:3
  
  [ FAIL 3 | WARN 1 | SKIP 41 | PASS 3922 ]
  Error: Test failures
  Execution halted