$ /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-b523850c4edc3761/cachix-b7b45ad7f587d853/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-b523850c4edc3761/nix-ci-cache-f8ce890c52607754/netrc --extra-substituters ssh-ng://worker.nix-ci.com?ssh-key=/tmp/nix-ci-worker-b523850c4edc3761/ssh-key-359791ff15964887/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:<REDACTED:GITHUB_ACCESS_TOKEN>@github.com/sellout/flaky?ref=upstream-configs&rev=0032b5182e557d031d32f83252b040bd4c6a283c#devShells.x86_64-linux.default --post-build-hook /tmp/nix-ci-worker-b523850c4edc3761/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
warning: error: unable to download 'https://sellout.cachix.org/s8a1hs581zj6b3l2y6sq3zz99wdggmlz.narinfo': HTTP error 500; retrying in 318 ms
warning: error: unable to download 'https://sellout.cachix.org/s8a1hs581zj6b3l2y6sq3zz99wdggmlz.narinfo': HTTP error 500; retrying in 540 ms
warning: error: unable to download 'https://sellout.cachix.org/s8a1hs581zj6b3l2y6sq3zz99wdggmlz.narinfo': HTTP error 500; retrying in 1076 ms
warning: error: unable to download 'https://sellout.cachix.org/s8a1hs581zj6b3l2y6sq3zz99wdggmlz.narinfo': HTTP error 500; retrying in 2445 ms
error: unable to download 'https://sellout.cachix.org/s8a1hs581zj6b3l2y6sq3zz99wdggmlz.narinfo': HTTP error 500