For example, paperwork is at https://gitlab.gnome.org/World/OpenPaperwork/paperwork
and you can fetch this repo with group = "World", owner =
"OpenPaperwork", and repo = "paperwork".

or else at least the following config will fail with an evaluation error
instead of an assert

```
{
  services.nixosManual.enable = false;
  services.nixosManual.showManual = true;
}
```

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It fails to compile with 3.5 and 3.6.

Fix to specific patch revision rather than latest

protobuf: default to 3.6

grpc: 1.10.1 -> 1.15.0

brightnessctl: 0.3.2 -> 0.4

apktool: 2.3.3 -> 2.3.4

alembic: 1.7.8 -> 1.7.9

cadvisor: 0.30.2 -> 0.31.0

cargo-edit: 0.3.0 -> 0.3.1

ace: 6.5.1 -> 6.5.2

perl: add devel version at 5.29.3

Changes the evaluation order in that it evaluates assertions before
warnings, so that eg. the following would work:

  { config, lib, ... }:

  {
    options.foo = lib.mkOption {
      type = lib.types.bool;
      default = true;
      description = "...";
    };

    options.bar = lib.mkOption {
      type = lib.types.bool;
      default = false;
      description = "...";
    };

    config = lib.mkMerge [
      (lib.mkIf config.bar {
        system.build.bar = "foobar";
      })
      (lib.mkIf config.foo {
        assertions = lib.singleton {
          assertion = config.bar;
          message = "Bar needs to be enabled";
        };
        systemd.services.foo = {
          description = "Foo";
          serviceConfig.ExecStart = config.system.build.bar;
        };
      })
    ];
  }

This is because the systemd module includes definitions for warnings
that would trigger evaluation of the config.system.build.bar definition.

The original pull request references a breakage due to the following:

  {
    services.nixosManual.enable = false;
    services.nixosManual.showManual = true;
  }

However, changing the eval order between asserts and warnings clearly is
a corner case here and it only happens because of the aforementioned
usage of warnings in the systemd module and needs more discussion.

Nevertheless, this is still useful because it lowers the evaluation time
whenever an assertion is hit, which is a hard failure anyway.

spectral: init at 2018-09-24; nheko: 0.5.0 -> 0.6.0 and bump dep mtxclient

/cc @Ericson2314

This line broke MacOS cross compilation. paxctl cannot be built on
macOS. Maybe it can be fixed, but no reason to break things
unnecessarily.

Regardless, you definitely need to be more careful about backporting.
I think it’s fine to move fast and break things on master but
with release-18.09 we should be more careful. Something like more
automated testing for cross compilation would also be
helpful (hopefully even making it block).

Moves some things to native build inputs in rust infrastructure to get
things working. rustPlatform has to get rust from buildPackages in
order to get the proper version.