$ /nix/store/rry6qingvsrqmc7ll7jgaqpybcbdgf5v-coreutils-9.7/bin/timeout --kill-after=15s 1800s /nix/store/mycbwkcm1jzjgsaiydvzib9phmzfz9vx-nix-2.31.1/bin/nix --extra-experimental-features nix-command --extra-experimental-features flakes --extra-substituters https://sellout.cachix.org --extra-trusted-public-keys sellout.cachix.org-1:v37cTpWBEycnYxSPAgSQ57Wiqd3wjljni2aC0Xry1DE= --netrc-file /tmp/nix-ci-worker-e60f9d5053d81941/cachix-a072f6ec975721cc/netrc --extra-substituters https://cache.nix-ci.com --extra-trusted-public-keys nix-ci-staging:Q5+aawDG0LPCgu1fP9e+9hktvsfSyvu/Xe5PvzTLRVs= --netrc-file /tmp/nix-ci-worker-e60f9d5053d81941/nix-ci-cache-5613686f715174a1/netrc --extra-substituters ssh-ng://worker.nix-ci.com?ssh-key=/tmp/nix-ci-worker-e60f9d5053d81941/ssh-key-ecb52a57f012733e/ssh.key&remote-store=/cache/nix-ci/&base64-ssh-public-host-key=c3NoLWVkMjU1MTkgQUFBQUMzTnphQzFsWkRJMU5URTVBQUFBSU9EQXdicHlRaVYwb2lyakhxbHIwbitnWDNNVjQwbDBKTmlKdVNDZHdoZ1o= --extra-trusted-public-keys nix-ci-staging:Q5+aawDG0LPCgu1fP9e+9hktvsfSyvu/Xe5PvzTLRVs= --print-build-logs build --no-link git+https://x-access-token:@github.com/sellout/flaky-environments?ref=main&rev=774d1d820552a6f53ed7333e75534219d1fc76cc#devShells.x86_64-linux.project-manager --post-build-hook /tmp/nix-ci-worker-e60f9d5053d81941/nix-ci-cache-upload.sh 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 this path will be fetched (0.00 MiB download, 0.01 MiB unpacked): /nix/store/sk2zxxkbipfnxgfc1ij3dfzzdfa6v793-nix-shell copying path '/nix/store/sk2zxxkbipfnxgfc1ij3dfzzdfa6v793-nix-shell' from 'ssh-ng://worker.nix-ci.com'...