this derivation will be built:
  /nix/store/gs7mzry6djf0n8adj951f581y9wz29xk-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/gs7mzry6djf0n8adj951f581y9wz29xk-bcachefs-module-7.0.0-38-generic.drv'...