this derivation will be built:
  /nix/store/5zf20hlzm4av7zywhh96s59768v238v9-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/5zf20hlzm4av7zywhh96s59768v238v9-bcachefs-module-7.0.0-30-generic.drv'...