$ /nix/store/vzx1mi9c0xfadmsm9dhd83d005cb1qs9-coreutils-9.8/bin/timeout --kill-after=15s 1800s /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/sellout/flaky?ref=main&rev=cb4087c413e0c9f335310d85f1188da4d84814e1#checks.x86_64-linux.haskellProjectModule --print-build-logs warning: ignoring untrusted flake configuration setting 'allow-import-from-derivation'. Pass '--accept-flake-config' to trust it warning: ignoring untrusted flake configuration setting 'extra-experimental-features'. Pass '--accept-flake-config' to trust it warning: ignoring untrusted flake configuration setting 'extra-substituters'. Pass '--accept-flake-config' to trust it warning: ignoring untrusted flake configuration setting 'extra-trusted-public-keys'. Pass '--accept-flake-config' to trust it warning: ignoring untrusted flake configuration setting 'sandbox'. Pass '--accept-flake-config' to trust it warning: ignoring untrusted flake configuration setting 'use-registries'. Pass '--accept-flake-config' to trust it error (ignored): SQLite database '/var/cache/private/nix-ci-worker/eval-cache-v6/5c8663980739f2aa79ba4ab27e414965862094b4c930809d2ab8952691b79705.sqlite' is busy