this derivation will be built:
  /nix/store/wrxim8zv69a8rx25v949c542r6cjvc3n-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/wrxim8zv69a8rx25v949c542r6cjvc3n-bcachefs-module-7.0.0-27-generic.drv'...