this derivation will be built:
  /nix/store/5dqr04l45qia3k01s3cfvdqcn2s4z5zd-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/5dqr04l45qia3k01s3cfvdqcn2s4z5zd-bcachefs-module-7.0.0-31-generic.drv'...