build checks.x86_64-linux.mutation-safe-coloured-text

Reproduce this run
  1. 0.02 s $ /nix/store/vzx1mi9c0xfadmsm9dhd83d005cb1qs9-coreutils-9.8/bin/timeout --kill-after=15s 7200s /nix/store/99b1z08awpxj8b6mzggn59gp1shljnff-nix-2.34.5/bin/nix --extra-experimental-features nix-command --extra-experimental-features flakes --log-format internal-json build --no-link git+https://github.com/NorfairKing/sydtest?ref=multi-suite-mutation-testing&rev=2399a7b65028ab545200ba11aa8a3624375944ca#checks.x86_64-linux.mutation-safe-coloured-text --print-build-logs
  2. 0.07 s warning: ignoring untrusted flake configuration setting 'extra-substituters'.
  3. 0.07 s Pass '--accept-flake-config' to trust it
  4. 0.07 s warning: ignoring untrusted flake configuration setting 'extra-trusted-public-keys'.
  5. 0.07 s Pass '--accept-flake-config' to trust it
  6. 0.52 s error (ignored): SQLite database '/var/cache/private/nix-ci-worker/eval-cache-v6/d08c7ce5525045fedb76512d63b29d6f9fb071c33c32bfe84fc7f8a7e3043c59.sqlite' is busy
  7. 1.29 s
  8. 1.36 s Downloading cached safe-coloured-text-gen-0.0.0.5-report from https://cache.staging.nix-ci.com
  9. 1.40 s Progress: 0 of 1 built, 1 of 1 downloaded from cache