unpacking 'https://github.com/NixOS/nixpkgs/archive/3d46470bb3030020f7e1361f33514854f5bfa86d.tar.gz' into the Git cache... this derivation will be built: /nix/store/wlcg6cd5lnmdivsgski23mcd1lgcqcyv-bcachefs-module-7.1.2-zen3-1-zen.drv building '/nix/store/wlcg6cd5lnmdivsgski23mcd1lgcqcyv-bcachefs-module-7.1.2-zen3-1-zen.drv'...