Error: Command failed: cat "/home/runner/work/_temp/magic-nix-cache-e1b45b4e-1980-4d95-9203-80dac888c3dc/magic-nix-cache" | xz -d | nix-store --import cat: /home/runner/work/_temp/magic-nix-cache-e1b45b4e-1980-4d95-9203-80dac888c3dc/magic-nix-cache: Permission denied xz: (stdin): File format not recognized error: unexpected end-of-file