Don't know exactly what's going on, but jsii-pacmak is doing a lot of duplicate work. When run with -v:
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cx-api/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/aws-events/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/aws-iam/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cdk/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cx-api/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/region-info/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cdk/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cx-api/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/aws-iam/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cdk/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cx-api/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/region-info/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/aws-logs/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/aws-cloudwatch/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/aws-iam/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cdk/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cx-api/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/region-info/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cdk/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cx-api/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/aws-iam/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cdk/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cx-api/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/region-info/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cdk/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cx-api/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/aws-s3/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/aws-events/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/aws-iam/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cdk/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cx-api/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/region-info/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cdk/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cx-api/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/aws-iam/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cdk/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cx-api/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/region-info/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/aws-kms/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/aws-iam/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cdk/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cx-api/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/region-info/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cdk/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/cx-api/dist/java as a local dependency output
@aws-cdk/aws-codepipeline-actions: [jsii-pacmak] [VERBOSE] Found /codebuild/output/src173406332/src/packages/@aws-cdk/aws-s3-notifications/dist/java as a local dependency output
Don't know exactly what's going on, but jsii-pacmak is doing a lot of duplicate work. When run with
-v: