this derivation will be built:
  /nix/store/v5k2j0m5fbv3ylz52ad19ylv4q8yxvcz-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/v5k2j0m5fbv3ylz52ad19ylv4q8yxvcz-bcachefs-module-7.0.0-39-generic.drv'...