this derivation will be built:
  /nix/store/x2j245grsdvqdhchqbn1qhsp0mdkn2aj-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/x2j245grsdvqdhchqbn1qhsp0mdkn2aj-bcachefs-module-7.0.0-28-generic.drv'...