this derivation will be built:
  /nix/store/81x9xgjv0k6yc6s4ixdzh34q1n7mqf1l-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/81x9xgjv0k6yc6s4ixdzh34q1n7mqf1l-bcachefs-module-7.0.0-34-generic.drv'...