this derivation will be built: /nix/store/cc07d1f3m2ihlf7qz9gwkqvyq3r2n03n-spec-just.drv this path will be fetched (0.4 KiB download, 0.7 KiB unpacked): /nix/store/nxywk9j968v5sirnp11nq5amgp1jgk59-writable-tmpdir-as-home-hook