this derivation will be built:
  /nix/store/5a2wr1vghpp8v12pa01cgir4jms81cw0-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/5a2wr1vghpp8v12pa01cgir4jms81cw0-bcachefs-module-7.0.0-39-generic.drv'...