The job was canceled because "noetic_aarch64-linux" failed.

Command failed: nix-instantiate --eval --json -E with (import (./. + "/release.nix") {}); builtins.attrNames (rolling) error: … while calling the 'attrNames' builtin at «string»:1:42: 1| with (import (./. + "/release.nix") {}); builtins.attrNames (rolling) | ^ … <borked> at «none»:0: (source not available) (stack trace truncated; use '--show-trace' to show the full trace) error: file 'nixpkgs' was not found in the Nix search path (add it using $NIX_PATH or -I) at «none»:0: (source not available)