error: … while calling the 'derivationStrict' builtin at «nix-internal»/derivation-internal.nix:37:12: 36| 37| strict = derivationStrict drvAttrs; | ^ 38| … while evaluating derivation 'nix-grpc-store-exit-stress' whose name attribute is located at «github:NixOS/nixpkgs/8ce4ef6cb6f871616146b9fe26d2a5ae594e94fe?narHash=sha256-xB8mKMOx1IA9vTDNLmJZ6n4wCMq/cuWBBOzGCRnqxrU%3D»/pkgs/stdenv/generic/make-derivation.nix:651:11 … while evaluating attribute 'buildCommand' of derivation 'nix-grpc-store-exit-stress' at «git+file:///var/lib/nixbot/worktrees/1530759-a832725af6f8-48?ref=HEAD&rev=f398ecf947103e72a92fabb0e13cb22fe16d8772»/tests/exit-stress.nix:17:3: 16| __darwinAllowLocalNetworking = true; 17| buildCommand = '' | ^ 18| export HOME=$TMPDIR (stack trace truncated; use '--show-trace' to show the full, detailed trace) error: path '«git+file:///var/lib/nixbot/worktrees/1530759-a832725af6f8-48?ref=HEAD&rev=f398ecf947103e72a92fabb0e13cb22fe16d8772»/package.nix' does not exist