this derivation will be built:
  /nix/store/54rfrj9zjdw5hq9adjg43n6vdh33jxq3-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/54rfrj9zjdw5hq9adjg43n6vdh33jxq3-bcachefs-module-7.0.0-30-generic.drv'...