this derivation will be built:
  /nix/store/p21h0yk2zpqpbj625kg0bz1zsdh4akgb-bcachefs-module-7.0.0-26-generic.drv
building '/nix/store/p21h0yk2zpqpbj625kg0bz1zsdh4akgb-bcachefs-module-7.0.0-26-generic.drv'...