golangci-lint "typecheck" errors - Fix in CI
golangci-lint runs the type checker before its analyzers. If the code does not compile, you get "typecheck" errors and the real lint findings are hidden behind a build failure.
What this error means
golangci-lint reports typecheck errors such as undeclared names or missing imports. The package does not compile, so the linter cannot type-check it.
go
main.go:8:2: undeclared name: fmtt (typecheck)Common causes
Code does not compile
A genuine build error (typo, missing import) stops type-checking, surfacing as a typecheck finding.
Wrong Go version for the linter
golangci-lint was built against a different Go than the code targets, so newer syntax fails to type-check.
How to fix it
Fix the build first
- Run go build ./... and resolve the compile errors before re-running the linter.
shell
go build ./...
golangci-lint runMatch the linter to your Go
- Install a golangci-lint built against the Go version your code uses.
.github/workflows/ci.yml
- uses: golangci/golangci-lint-action@v6
with:
version: latestHow to prevent it
- Ensure go build passes before running golangci-lint.
- Keep golangci-lint and the Go toolchain version-aligned.
- Run the linter locally before pushing.
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