this derivation will be built:
  /nix/store/m12y3vldhr6zfywcjzn41271ayh6imiq-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/m12y3vldhr6zfywcjzn41271ayh6imiq-bcachefs-module-7.0.0-39-generic.drv'...