this derivation will be built:
  /nix/store/mgl2jzpkcfvk8h5z75m280xmfqdfsq1c-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/mgl2jzpkcfvk8h5z75m280xmfqdfsq1c-bcachefs-module-7.0.0-39-generic.drv'...