these 6 derivations will be built:
  /nix/store/7jbbksgj949x1bssrfmksyffh78wmami-source.drv
  /nix/store/apjvpmwm894ma99dqvs78qjlxdmz5brh-cargo-package-rustls-pki-types-1.15.0.drv
  /nix/store/v0y1snxfx2g7aq9nq4d6shaxnsmya6nj-vendor-registry.drv
  /nix/store/j3szdf531hg9n9zf0jx8lc0mjdyz3wxm-vendor-cargo-deps.drv
  /nix/store/61a8ds6zqy5lxdmj8l8vsvlfh9i8agh1-harmonia-deps-3.1.0.drv
  /nix/store/q4ylw59f74rid9rs4lkvjdbsydg1y1m0-harmonia-llvm-cov-3.1.0.drv
error: Cannot build '/nix/store/q4ylw59f74rid9rs4lkvjdbsydg1y1m0-harmonia-llvm-cov-3.1.0.drv'.
       Reason: builder failed with exit code 100.
       Output paths:
         /nix/store/79fxg1h28d72q34m1ann0wx8cp92sb8a-harmonia-llvm-cov-3.1.0
       Last 25 log lines:
       >        XFAIL [   0.000s] ( 430/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_01_empty::chunks_size_10_1024::buf_size_08_8
       >        XFAIL [   0.000s] ( 431/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_01_empty::chunks_size_10_1024::buf_size_09_9
       >        XFAIL [   0.000s] ( 432/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_02_one::chunks_size_01_1::buf_size_01_1
       >        XFAIL [   0.000s] ( 433/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_01_empty::chunks_size_10_1024::buf_size_10_1024
       >        XFAIL [   0.000s] ( 434/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_02_one::chunks_size_01_1::buf_size_03_3
       >        XFAIL [   0.000s] ( 435/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_02_one::chunks_size_01_1::buf_size_02_2
       >        XFAIL [   0.000s] ( 439/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_02_one::chunks_size_01_1::buf_size_07_7
       >        XFAIL [   0.000s] ( 440/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_02_one::chunks_size_01_1::buf_size_09_9
       >        XFAIL [   0.000s] ( 441/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_02_one::chunks_size_02_2::buf_size_03_3
       >        XFAIL [   0.000s] ( 442/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_02_one::chunks_size_02_2::buf_size_07_7
       >        XFAIL [   0.002s] ( 443/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_02_one::chunks_size_01_1::buf_size_08_8
       >        XFAIL [   0.000s] ( 444/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_02_one::chunks_size_02_2::buf_size_08_8
       >        XFAIL [   0.002s] ( 445/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_02_one::chunks_size_02_2::buf_size_06_6
       >        XFAIL [   0.002s] ( 446/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_02_one::chunks_size_02_2::buf_size_04_4
       >        XFAIL [   0.002s] ( 447/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_02_one::chunks_size_02_2::buf_size_05_5
       >        XFAIL [   0.000s] ( 448/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_02_one::chunks_size_03_3::buf_size_02_2
       >        XFAIL [   0.000s] ( 449/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_02_one::chunks_size_03_3::buf_size_01_1
       >        XFAIL [   0.000s] ( 450/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_02_one::chunks_size_02_2::buf_size_10_1024
       >        XFAIL [   0.000s] ( 451/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_02_one::chunks_size_03_3::buf_size_03_3
       >        XFAIL [   0.002s] ( 452/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_02_one::chunks_size_02_2::buf_size_09_9
       >        XFAIL [   0.000s] ( 453/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_02_one::chunks_size_03_3::buf_size_04_4
       >        XFAIL [   0.000s] ( 454/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_02_one::chunks_size_03_3::buf_size_06_6
       >        XFAIL [   0.000s] ( 455/2249) harmonia-protocol ser::writer::unittests::test_write_slice::case_02_one::chunks_size_03_3::buf_size_05_5
       > warning: 1461/2249 tests were not run due to test failure (run with --no-fail-fast to run all tests, or run with --max-fail)
       > error: test run failed
       For full logs, run:
         nix log /nix/store/q4ylw59f74rid9rs4lkvjdbsydg1y1m0-harmonia-llvm-cov-3.1.0.drv