this derivation will be built:
  /nix/store/d4b72dc01ydnk94g1pg5myhp8hmjgbqb-bcachefs-module-7.0.0-26-generic.drv
building '/nix/store/d4b72dc01ydnk94g1pg5myhp8hmjgbqb-bcachefs-module-7.0.0-26-generic.drv'...