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

Reproduce this run
  1. 1.02 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=refs%2Fpull%2F126%2Fmerge&rev=082f62d90ec1a0b7943d6fa487d4d7a67f2198f5#checks.x86_64-linux.mutation-safe-coloured-text --print-build-logs
  2. 1.05 s warning: ignoring untrusted flake configuration setting 'extra-substituters'.
  3. 1.05 s Pass '--accept-flake-config' to trust it
  4. 1.05 s warning: ignoring untrusted flake configuration setting 'extra-trusted-public-keys'.
  5. 1.05 s Pass '--accept-flake-config' to trust it
  6. 1.05 s