With more implementing NixDeserialize, this error message changed.
Fixtures were regenerated by running:
```
TRYBUILD=overwrite cargo test -p nix-compat-derive-tests --all-features
```
Unfortunately, it's not possible to loop this into CI, as trybuild
invokes cargo during the build.
Change-Id: Ia0ab07d0907d21366845fe06e01df9fb1fe3e7cb
Reviewed-on: https://cl.tvl.fyi/c/depot/+/12831
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: Ilan Joselevich <personal@ilanjoselevich.com>
Tested-by: BuildkiteCI