this derivation will be built:
  /nix/store/h8k4y1id5z2z43g5nfsjnbwqn76934n3-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/h8k4y1id5z2z43g5nfsjnbwqn76934n3-bcachefs-module-7.0.0-31-generic.drv'...