this derivation will be built: /nix/store/ac2phfbqx9pvyqnaiw5fn0dfjdw863c5-bcachefs-module-7.0.0-28-generic.drv building '/nix/store/ac2phfbqx9pvyqnaiw5fn0dfjdw863c5-bcachefs-module-7.0.0-28-generic.drv'...