this derivation will be built:
  /nix/store/9n4abgf650awd02q5dvknmx85rrx247l-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/9n4abgf650awd02q5dvknmx85rrx247l-bcachefs-module-7.0.0-27-generic.drv'...