0/10 points: Provide a valid pubspec.yaml

5/5 points: Provide a valid README.md

5/5 points: Provide a valid CHANGELOG.md

10/10 points: Use an OSI-approved license

Detected license: MIT.

0/10 points: 20% or more of the public API has dartdoc comments

Dependency resolution failed, unable to run dartdoc.

0/10 points: Package has an example

0/20 points: Platform support detection failed

0/50 points: code has no errors, warnings, lints, or formatting issues

• Running flutter pub outdated failed with the following output:

Note: matcher is pinned to version 0.12.18 by flutter_test from the flutter SDK.
See https://dart.dev/go/sdk-version-pinning for details.

0/10 points: All of the package dependencies are supported in the latest version

• Could not run flutter pub outdated: flutter pub get failed:

OUT:
Resolving dependencies...
ERR:
Note: matcher is pinned to version 0.12.18 by flutter_test from the flutter SDK.
See https://dart.dev/go/sdk-version-pinning for details.

Note: test_api is pinned to version 0.7.9 by flutter_test from the flutter SDK.
See https://dart.dev/go/sdk-version-pinning for details.


    Because test >=1.21.2 <1.21.3 depends on test_api 0.4.10 and test >=1.21.3 <1.21.4 depends on test_api 0.4.11, test >=1.21.2 <1.21.4 requires test_api 0.4.10 or 0.4.11.
    And because test >=1.21.4 <1.21.5 depends on test_api 0.4.12 and test >=1.29.0 depends on analyzer >=8.0.0 <11.0.0, test >=1.21.2 <1.21.5-∞ or >=1.29.0 requires test_api 0.4.10 or 0.4.11 or 0[...]
    And because test >=1.17.10 <1.20.0 depends on analyzer >=1.0.0 <3.0.0 and test >=1.16.6 <1.17.10 depends on analyzer ^1.0.0, test >=1.16.6 <1.20.0-∞ or >=1.21.2 <1.21.5-∞ or >=1.29.0 requires[...]
[67 more lines]

10/10 points: Package supports latest stable Dart and Flutter SDKs

0/20 points: Compatible with dependency constraint lower bounds

flutter pub downgrade failed with:

OUT:
Resolving dependencies...
ERR:
Note: matcher is pinned to version 0.12.18 by flutter_test from the flutter SDK.
See https://dart.dev/go/sdk-version-pinning for details.

Note: test_api is pinned to version 0.7.9 by flutter_test from the flutter SDK.
See https://dart.dev/go/sdk-version-pinning for details.


    Because json_serializable >=6.3.2 <6.6.0 depends on analyzer >=4.6.0 <6.0.0 and json_serializable >=6.6.0 <6.7.0 depends on analyzer ^5.2.0, json_serializable >=6.3.2 <6.7.0 requires analyzer[...]
    And because json_serializable >=6.7.0 <6.7.1 depends on analyzer ^5.12.0 and json_serializable >=6.7.1 <6.9.0 depends on analyzer >=5.12.0 <7.0.0, json_serializable >=6.3.2 <6.9.0 requires an[...]
    And because json_serializable >=6.9.0 <6.9.2 depends on analyzer ^6.5.0 and json_serializable >=6.9.2 <6.9.5 depends on analyzer >=6.5.0 <8.0.0, json_serializable >=6.3.2 <6.9.5 requires anal[...]
[37 more lines]

Run flutter pub downgrade and then flutter analyze to reproduce the above problem.

You may run dart pub upgrade --tighten to update your dependency constraints, see dart.dev/go/downgrade-testing for details.