$ /nix/store/vzx1mi9c0xfadmsm9dhd83d005cb1qs9-coreutils-9.8/bin/timeout --kill-after=15s 7200s /nix/store/86n4l5yri6hys3zk2mwy2azcv9prqb8j-nix-2.31.4/bin/nix --extra-experimental-features nix-command --extra-experimental-features flakes --log-format internal-json build --no-link git+https://github.com/NorfairKing/mergeful?ref=master&rev=e9276fa9ffc3c8af4faa2f52d740ff3f63697ea8#checks.x86_64-linux.release --print-build-logs  Building mergeful-release [mergeful-release] /nix/store/k5jbdj7wrn0lhig6gjnccjjqyi20xmqj-mergeful-0.3.0.0/nix-support: [mergeful-release] propagated-build-inputs: Keeping existing link to /nix/store/5i80d6vvhgs5rllfm8hl53r1axmbys71-genvalidity-mergeful-0.3.0.1/nix-support/propagated-build-inputs [mergeful-release] /nix/store/5cd8l49bsccxsihj7604hcihm6xr0sw4-mergeful-persistent-0.3.0.1/nix-support: [mergeful-release] propagated-build-inputs: Keeping existing link to /nix/store/5i80d6vvhgs5rllfm8hl53r1axmbys71-genvalidity-mergeful-0.3.0.1/nix-support/propagated-build-inputs [post-build-hook] Uploading to the NixCI staging cache: /nix/store/rw0igz6ffnk7ikmz1256sl1h4d7svjcs-mergeful-release [post-build-hook] copying 1 paths... [post-build-hook] copying path '/nix/store/rw0igz6ffnk7ikmz1256sl1h4d7svjcs-mergeful-release' to 'https://cache.staging.nix-ci.com'... [post-build-hook] copying 1 paths... [post-build-hook] copying path '/nix/store/0gx3zglzdcx4hiyxgf93kl8a65shzbls-mergeful-release.drv' to 'https://cache.staging.nix-ci.com'... Progress: 1 of 2 built