$ /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/appendful?ref=master&rev=e0a1e0a93d42107a6d2b5216059adf5a2aa665a8#checks.x86_64-linux.release --print-build-logs  Building appendful-release [appendful-release] /nix/store/v42xr7s6qm2dhkscg5g0ch0fg4km5m5z-appendful-persistent-0.1.0.1/nix-support: [appendful-release] propagated-build-inputs: Keeping existing link to /nix/store/p8xsdi6fw7lr5g6ldxv3abnmj5lyp5ns-appendful-0.2.0.0/nix-support/propagated-build-inputs [appendful-release] /nix/store/34lw2vq8ni3h0sfll9wv76yn9c0x2xsh-genvalidity-appendful-0.1.0.0/nix-support: [appendful-release] propagated-build-inputs: Keeping existing link to /nix/store/p8xsdi6fw7lr5g6ldxv3abnmj5lyp5ns-appendful-0.2.0.0/nix-support/propagated-build-inputs [post-build-hook] Uploading to the NixCI staging cache: /nix/store/pjw28kdc5z5j1cvfsvig593ncl9l53d6-appendful-release [post-build-hook] copying 1 paths... [post-build-hook] copying path '/nix/store/pjw28kdc5z5j1cvfsvig593ncl9l53d6-appendful-release' to 'https://cache.staging.nix-ci.com'... [post-build-hook] copying 1 paths... [post-build-hook] copying path '/nix/store/5ksi2b8hi0m46apnjyy27dv8cnwsh373-appendful-release.drv' to 'https://cache.staging.nix-ci.com'... Progress: 1 of 2 built