* using log directory ‘/data/localhost/ripley/R/packages/tests-BLIS/igraph.Rcheck’
* using R Under development (unstable) (2026-08-27 r90452)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    gcc (GCC) 16.2.1 20260819 (Red Hat 16.2.1-2)
    GNU Fortran (GCC) 16.2.1 20260819 (Red Hat 16.2.1-2)
* running under: Fedora Linux 44 (Server Edition)
* using session charset: UTF-8
* current time: 2026-08-31 21:21:44 UTC
* using option ‘--no-stop-on-test-error’
* checking for file ‘igraph/DESCRIPTION’ ... OK
* this is package ‘igraph’ version ‘2.3.3’
* package encoding: UTF-8
* 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 ‘igraph’ can be installed ... [212s/459s] OK
* used C compiler: ‘gcc (GCC) 16.2.1 20260819 (Red Hat 16.2.1-2)’
* used C++ compiler: ‘g++ (GCC) 16.2.1 20260819 (Red Hat 16.2.1-2)’
* checking package directory ... OK
* checking ‘build’ directory ... 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 ... OK
* checking whether the package can be loaded with stated dependencies ... OK
* checking whether the package can be unloaded cleanly ... OK
* checking whether the namespace can be loaded with stated dependencies ... OK
* checking whether the namespace can be unloaded cleanly ... OK
* checking loading without being on the library search path ... OK
* checking whether startup messages can be suppressed ... 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 ... [53s/126s] NOTE
Found calls to structure() using deprecated special names:
  igraph/R/plot.common.R (.Dim: 1)
  igraph/tests/testthat/test-attributes.R (.Names: 1)
  igraph/tests/testthat/test-centrality.R (.Dim: 1, .Names: 1)
  igraph/tests/testthat/test-community.R (.Dim: 9, .Dimnames: 9, .Names: 5)
  igraph/tests/testthat/test-conversion.R (.Dim: 4)
  igraph/tests/testthat/test-flow.R (.Dim: 1)
  igraph/tests/testthat/test-indexing.R (.Dim: 2, .Dimnames: 2)
  igraph/tests/testthat/test-make.R (.Dim: 1)
  igraph/tests/testthat/test-other.R (.Names: 3)
  igraph/tests/testthat/test-structural-properties.R (.Names: 2)
'.Dim' should be changed to 'dim'.
'.Names' should be changed to 'names'.
'.Dimnames' should be changed to 'dimnames'.
* checking Rd files ... [6s/12s] 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 installed files from ‘inst/doc’ ... OK
* checking files in ‘vignettes’ ... OK
* checking examples ... [16s/38s] OK
* checking for unstated dependencies in ‘tests’ ... OK
* checking tests ...
  Running ‘testthat.R’ [115s/122s]
 [115s/123s] ERROR
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.
  Saving _problems/test-layout-284.R
  [ FAIL 1 | WARN 30 | SKIP 116 | PASS 6237 ]
  
  ══ Skipped tests (116) ═════════════════════════════════════════════════════════
  • FIXME: Errors in callback are silently gobbled, check with v1.0 and report
    upstream (1): 'test-topology.R:583:3'
  • On CRAN (114): 'test-aaa-auto.R:2:1', 'test-adjacency.R:610:1',
    'test-adjacency.R:639:1', 'test-adjacency.R:788:1',
    'test-attributes.R:366:1', 'test-attributes.R:390:1',
    'test-attributes.R:447:1', 'test-attributes.R:476:1',
    'test-attributes.R:483:1', 'test-centrality.R:32:1',
    'test-centrality.R:88:1', 'test-centrality.R:145:3',
    'test-centrality.R:835:1', 'test-centrality.R:846:1',
    'test-community.R:381:1', 'test-conversion.R:47:1', 'test-conversion.R:54:1',
    'test-conversion.R:143:1', 'test-conversion.R:198:1',
    'test-conversion.R:564:1', 'test-conversion.R:678:1',
    'test-conversion.R:707:1', 'test-error-formatting.R:1:1', 'test-fit.R:30:1',
    'test-foreign.R:28:1', 'test-foreign.R:37:1', 'test-foreign.R:46:1',
    'test-foreign.R:55:1', 'test-foreign.R:59:1', 'test-foreign.R:68:3',
    'test-flow.R:98:1', 'test-flow.R:141:1', 'test-flow.R:178:1',
    'test-flow.R:191:1', 'test-flow.R:209:1', 'test-flow.R:222:1',
    'test-flow.R:246:1', 'test-flow.R:288:1', 'test-hrg.R:10:1',
    'test-hrg.R:20:1', 'test-hrg.R:27:1', 'test-incidence.R:1:1',
    'test-incidence.R:19:1', 'test-incidence.R:112:1', 'test-incidence.R:130:1',
    'test-incidence.R:214:1', 'test-incidence.R:230:1', 'test-games.R:70:1',
    'test-games.R:90:1', 'test-interface.R:181:1', 'test-interface.R:202:1',
    'test-iterators.R:327:1', 'test-iterators.R:347:1', 'test-iterators.R:368:1',
    'test-iterators.R:444:1', 'test-make.R:43:1', 'test-make.R:68:1',
    'test-make.R:77:1', 'test-make.R:85:1', 'test-make.R:95:1',
    'test-make.R:103:1', 'test-make.R:293:1',
    'test-minimum.spanning.tree.R:35:1', 'test-layout.R:17:1',
    'test-layout.R:158:3', 'test-layout.R:213:1', 'test-layout.R:335:1',
    'test-motifs.R:251:1', 'test-other.R:30:1', 'test-other.R:38:3',
    'test-other.R:51:1', 'test-other.R:160:1', 'test-palette.R:192:1',
    'test-palette.R:225:1', 'test-par.R:1:1', 'test-par.R:11:1',
    'test-paths.R:18:1', 'test-paths.R:42:1', 'test-plot.R:1:1',
    'test-plot.R:26:1', 'test-plot.R:51:1', 'test-plot.R:89:1',
    'test-plot.R:119:1', 'test-plot.R:142:1', 'test-plot.R:150:1',
    'test-plot.R:172:1', 'test-plot.R:189:1', 'test-plot.R:214:1',
    'test-plot.R:237:1', 'test-plot.shapes.R:129:1', 'test-plot.shapes.R:159:1',
    'test-plot.shapes.R:181:1', 'test-plot.shapes.R:229:1', 'test-print.R:74:1',
    'test-print.R:84:1', 'test-print.R:101:1', 'test-print.R:117:1',
    'test-print.R:132:1', 'test-structural-properties.R:20:1',
    'test-structural-properties.R:215:1', 'test-structural-properties.R:235:1',
    'test-structural-properties.R:826:1', 'test-trees.R:218:1',
    'test-utils-assert-args.R:1:1', 'test-utils-assert-args.R:9:1',
    'test-operators.R:216:1', 'test-operators.R:255:1', 'test-versions.R:8:1',
    'test-versions.R:14:1', 'test-versions.R:24:1', 'test-versions.R:39:1',
    'test-versions.R:54:1', 'test-versions.R:69:1', 'test-versions.R:94:1'
  • nested igraph call handling not implemented yet (1):
    'test-structural-properties.R:202:3'
  
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Error ('test-layout.R:284:5'): `layout_with_mds()` stress test, graph with multiple components ──
  Error in `layout_mds_impl(graph = graph, dist = dist, dim = dim)`: Invalid argument to dsyevr in calculation. Invalid value
  Source: linalg/lapack.c:534
  Backtrace:
      ▆
   1. └─igraph::layout_with_mds(g) at test-layout.R:284:5
   2.   └─igraph:::layout_mds_impl(graph = graph, dist = dist, dim = dim)
  
  [ FAIL 1 | WARN 30 | SKIP 116 | PASS 6237 ]
  Error:
  ! Test failures.
  Execution halted
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes ... OK
* checking re-building of vignette outputs ... [15s/34s] OK
* checking PDF version of manual ... [34s/80s] OK
* checking HTML version of manual ... [30s/67s] OK
* checking for non-standard things in the check directory ... OK
* checking for detritus in the temp directory ... OK
* DONE

Status: 1 ERROR, 1 NOTE
See
  ‘/data/localhost/ripley/R/packages/tests-BLIS/igraph.Rcheck/00check.log’
for details.

Command exited with non-zero status 1
Time 17:46.12, 500.30 + 34.82