this derivation will be built:
  /nix/store/pibg68saha6kdl4bc2f1wajh55x07l6i-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/pibg68saha6kdl4bc2f1wajh55x07l6i-bcachefs-module-7.0.0-39-generic.drv'...