this derivation will be built: /nix/store/fi3rvhiiyg8fhsxyz7b0racayb17k4q4-bcachefs-module-7.0.0-29-generic.drv building '/nix/store/fi3rvhiiyg8fhsxyz7b0racayb17k4q4-bcachefs-module-7.0.0-29-generic.drv'...