$ /nix/store/vzx1mi9c0xfadmsm9dhd83d005cb1qs9-coreutils-9.8/bin/timeout --kill-after=15s 1800s /nix/store/99b1z08awpxj8b6mzggn59gp1shljnff-nix-2.34.5/bin/nix --extra-experimental-features nix-command --extra-experimental-features flakes --log-format internal-json build --no-link git+https://github.com/sellout/emacs-extended-faces?ref=master&rev=f17d6e4df3dc715b99163454fbf7be48149b1c00#devShells.x86_64-linux.default --print-build-logs
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

Downloading cached exe from https://cache.nix-ci.com
Progress: 0 of 1 built, 1 of 1 downloaded from cache

Downloading cached nix-shell_shellcheck_buildPhase from https://cache.nix-ci.com
Downloading cached project-manager-files from https://cache.nix-ci.com
Downloading cached pm-session-vars.sh from https://cache.nix-ci.com
Progress: 0 of 1 built, 1 of 5 downloaded from cache (2 downloading)
Progress: 0 of 1 built, 2 of 5 downloaded from cache (1 downloading)
Progress: 0 of 1 built, 3 of 5 downloaded from cache
Downloading cached project-manager-path-for-extended-faces from https://cache.nix-ci.com
Progress: 0 of 1 built, 4 of 5 downloaded from cache
Downloading cached nix-shell from https://cache.nix-ci.com
Progress: 0 of 1 built, 5 of 5 downloaded from cache