this derivation will be built:
  /nix/store/y2pb8814bq4hx4r6d7v0df4zjawqsyg6-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/y2pb8814bq4hx4r6d7v0df4zjawqsyg6-bcachefs-module-7.0.0-34-generic.drv'...