gistfile1.txt

nix-instantiate --eval --json --strict maintainers/scripts/find-tarballs.nix --arg expr 'builtins.removeAttrs ((import pkgs/top-level/release.nix { scrubJobs = false; supportedSystems = [ "x86_64-linux" "x86_64-darwin" ]; })) ["unstable" "tarball" "darwin-unstable" ]'

output

error: while evaluating anonymous function at /nixpkgs/maintainers/scripts/find-tarballs.nix:6:1, called from undefined position:
while evaluating ‘operator’ at /nixpkgs/maintainers/scripts/find-tarballs.nix:27:16, called from undefined position:
while evaluating ‘immediateDependenciesOf’ at /nixpkgs/maintainers/scripts/find-tarballs.nix:39:29, called from /nixpkgs/maintainers/scripts/find-tarballs.nix:27:44:
while evaluating anonymous function at /nixpkgs/lib/attrsets.nix:224:10, called from undefined position:
while evaluating anonymous function at /nixpkgs/maintainers/scripts/find-tarballs.nix:40:37, called from /nixpkgs/lib/attrsets.nix:224:16:
while evaluating ‘derivationsIn’ at /nixpkgs/maintainers/scripts/find-tarballs.nix:42:19, called from /nixpkgs/maintainers/scripts/find-tarballs.nix:40:40:
while evaluating ‘canEval’ at /nixpkgs/maintainers/scripts/find-tarballs.nix:48:13, called from /nixpkgs/maintainers/scripts/find-tarballs.nix:43:9:
while evaluating the attribute ‘gcc’ at /nixpkgs/pkgs/development/compilers/emscripten-fastcomp/default.nix:44:12:
while evaluating the attribute ‘cc.cc.gcc’ at /nixpkgs/pkgs/build-support/cc-wrapper/default.nix:91:10:
attribute ‘gcc’ missing, at /nixpkgs/pkgs/development/compilers/emscripten-fastcomp/default.nix:5:51