Freezed generator completes no actions for 50s

[stijnie2210]

So in our project we are using a couple generators: freezed, auto_route and hive. Ever since upgrading auto_route to major 6 the freezed generator gets stuck at one specific file. While it is definitely big, it shouldn't get stuck for 50+ seconds.

Because this problem started occuring since my auto_route upgrade I'm not posting it as a bug but I'd love some insight on this on things that I could possibly try to solve this since our generator takes 2m on a m2 machine by now. I posted the log from build_runner verbose and other generator packages I use below.

generator packages:

  build_runner: ^2.3.3
  freezed: ^2.3.3
  freezed_annotation: ^2.2.0
  json_serializable: ^6.5.4
  envied_generator: ^0.3.0
  auto_route_generator: ^7.0.0

Build runner verbose log part:

[FINE] freezed on lib/presentation/blocs/authentication/authentication_bloc.dart:Running FreezedGenerator
[FINE] freezed on lib/presentation/blocs/authentication/logout_bloc.dart:Running FreezedGenerator
[FINE] freezed on lib/presentation/blocs/share_intent/share_intent_bloc.dart:Running FreezedGenerator
[FINE] freezed on lib/presentation/blocs/invoice_claim/invoice_claim_bloc.dart:Running FreezedGenerator
[FINE] freezed on lib/presentation/blocs/photo/photo_bloc.dart:Running FreezedGenerator
[FINE] freezed on lib/presentation/blocs/six_grid/six_grid_bloc.dart:Running FreezedGenerator
[INFO] Heartbeat:1m 6s elapsed, 226/242 actions completed.
[WARNING] Heartbeat:
No actions completed for 49.6s, waiting on:
  - freezed on lib/presentation/blocs/accident/accident_bloc.dart
  - freezed on lib/presentation/blocs/registration/registration_bloc.dart
  - freezed on lib/presentation/blocs/feedback/feedback_bloc.dart
  - freezed on lib/presentation/blocs/share_intent/share_intent_bloc.dart
  - freezed on lib/presentation/blocs/invoice_claim/invoice_claim_bloc.dart
  .. and 11 more

Flutter doctor:

    [✓] Flutter (Channel stable, 3.7.12, on macOS 13.3.1 22E772610a darwin-arm64, locale en-NL)
    • Flutter version 3.7.12 on channel stable at /Users/stijn/fvm/versions/3.7.12
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision 4d9e56e694 (3 weeks ago), 2023-04-17 21:47:46 -0400
    • Engine revision 1a65d409c7
    • Dart version 2.19.6
    • DevTools version 2.20.1

[✓] Android toolchain - develop for Android devices (Android SDK version 33.0.1)
    • Android SDK at /Users/stijn/Library/Android/sdk
    • Platform android-33, build-tools 33.0.1
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    • Java version OpenJDK Runtime Environment (build 17.0.6+0-17.0.6b802.4-9586694)
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    • Java version OpenJDK Runtime Environment (build 17.0.6+0-17.0.6b802.4-9586694)

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