this derivation will be built:
  /nix/store/i7yhkawb21g73dj4396dz2fsyyz8024h-bcachefs-module-7.0.0-26-generic.drv
building '/nix/store/i7yhkawb21g73dj4396dz2fsyyz8024h-bcachefs-module-7.0.0-26-generic.drv'...