this derivation will be built: /nix/store/48xl3i1kq0y5q9sl9vg4jrykfz9bf6qi-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/48xl3i1kq0y5q9sl9vg4jrykfz9bf6qi-bcachefs-module-7.0.0-38-generic.drv'...