$ timeout --kill-after=15s 1800s nix --extra-experimental-features nix-command --extra-experimental-features flakes --extra-substituters ssh-ng://worker.nix-ci.com?ssh-key=/tmp/nix-ci-worker-1ae1b412db7400bc/ssh-key-6856cf3994658022/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=update-haskell-template&rev=7b1d396050c2e65b89d8599b1562903a8046e6cf#devShells.x86_64-linux.c --post-build-hook /tmp/nix-ci-worker-1ae1b412db7400bc/build-hook-def8c7f98d7d30be/nix-ci-cache-upload.sh 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