this derivation will be built:
  /nix/store/wrnmgwvlh79p8yh1zyp6w4sxr8q71d81-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/wrnmgwvlh79p8yh1zyp6w4sxr8q71d81-bcachefs-module-7.0.0-28-generic.drv'...