this derivation will be built:
  /nix/store/a63sza3csci720hvlq7nfmrpbwf5w154-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/a63sza3csci720hvlq7nfmrpbwf5w154-bcachefs-module-7.0.0-28-generic.drv'...