this derivation will be built: /nix/store/2z9h6zfnz7ych3ybwbck7xnkhxv0ii5m-bcachefs-module-7.0.0-30-generic.drv building '/nix/store/2z9h6zfnz7ych3ybwbck7xnkhxv0ii5m-bcachefs-module-7.0.0-30-generic.drv'...