this derivation will be built: /nix/store/604kfkg1b7hlpb79g5jfirg5mi8lc9p7-bcachefs-module-7.0.0-39-generic.drv building '/nix/store/604kfkg1b7hlpb79g5jfirg5mi8lc9p7-bcachefs-module-7.0.0-39-generic.drv'...