Fix all 93 lint-go errors

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

pkg/artifactcache/handler.go

@@ -437,7 +437,7 @@ func findCache(db *bolthold.Store, keys []string, version string) (*Cache, error
 		}
 		return cache, nil
 	}
-	return nil, nil
+	return nil, nil //nolint:nilnil
 }
 
 func insertCache(db *bolthold.Store, cache *Cache) error {

pkg/artifactcache/handler_test.go

@@ -41,7 +41,10 @@ func TestHandler(t *testing.T) {
 			require.NoError(t, handler.Close())
 			assert.Nil(t, handler.server)
 			assert.Nil(t, handler.listener)
-			_, err := http.Post(fmt.Sprintf("%s/caches/%d", base, 1), "", nil)
+			resp, err := http.Post(fmt.Sprintf("%s/caches/%d", base, 1), "", nil)
+			if resp != nil {
+				defer resp.Body.Close()
+			}
 			require.Error(t, err)
 		})
 	}()
@@ -51,6 +54,7 @@ func TestHandler(t *testing.T) {
 		version := "c19da02a2bd7e77277f1ac29ab45c09b7d46a4ee758284e26bb3045ad11d9d20"
 		resp, err := http.Get(fmt.Sprintf("%s/cache?keys=%s&version=%s", base, key, version))
 		require.NoError(t, err)
+		defer resp.Body.Close()
 		require.Equal(t, 204, resp.StatusCode)
 	})
 
@@ -66,6 +70,7 @@ func TestHandler(t *testing.T) {
 	t.Run("clean", func(t *testing.T) {
 		resp, err := http.Post(base+"/clean", "", nil)
 		require.NoError(t, err)
+		defer resp.Body.Close()
 		assert.Equal(t, 200, resp.StatusCode)
 	})
 
@@ -74,6 +79,7 @@ func TestHandler(t *testing.T) {
 		require.NoError(t, err)
 		resp, err := http.Post(base+"/caches", "application/json", bytes.NewReader(body))
 		require.NoError(t, err)
+		defer resp.Body.Close()
 		assert.Equal(t, 400, resp.StatusCode)
 	})
 
@@ -92,6 +98,7 @@ func TestHandler(t *testing.T) {
 			require.NoError(t, err)
 			resp, err := http.Post(base+"/caches", "application/json", bytes.NewReader(body))
 			require.NoError(t, err)
+			defer resp.Body.Close()
 			assert.Equal(t, 200, resp.StatusCode)
 
 			require.NoError(t, json.NewDecoder(resp.Body).Decode(&first))
@@ -106,6 +113,7 @@ func TestHandler(t *testing.T) {
 			require.NoError(t, err)
 			resp, err := http.Post(base+"/caches", "application/json", bytes.NewReader(body))
 			require.NoError(t, err)
+			defer resp.Body.Close()
 			assert.Equal(t, 200, resp.StatusCode)
 
 			require.NoError(t, json.NewDecoder(resp.Body).Decode(&second))
@@ -123,6 +131,7 @@ func TestHandler(t *testing.T) {
 		req.Header.Set("Content-Range", "bytes 0-99/*")
 		resp, err := http.DefaultClient.Do(req)
 		require.NoError(t, err)
+		defer resp.Body.Close()
 		assert.Equal(t, 400, resp.StatusCode)
 	})
 
@@ -134,6 +143,7 @@ func TestHandler(t *testing.T) {
 		req.Header.Set("Content-Range", "bytes 0-99/*")
 		resp, err := http.DefaultClient.Do(req)
 		require.NoError(t, err)
+		defer resp.Body.Close()
 		assert.Equal(t, 400, resp.StatusCode)
 	})
 
@@ -153,6 +163,7 @@ func TestHandler(t *testing.T) {
 			require.NoError(t, err)
 			resp, err := http.Post(base+"/caches", "application/json", bytes.NewReader(body))
 			require.NoError(t, err)
+			defer resp.Body.Close()
 			assert.Equal(t, 200, resp.StatusCode)
 
 			got := struct {
@@ -169,11 +180,13 @@ func TestHandler(t *testing.T) {
 			req.Header.Set("Content-Range", "bytes 0-99/*")
 			resp, err := http.DefaultClient.Do(req)
 			require.NoError(t, err)
+			defer resp.Body.Close()
 			assert.Equal(t, 200, resp.StatusCode)
 		}
 		{
 			resp, err := http.Post(fmt.Sprintf("%s/caches/%d", base, id), "", nil)
 			require.NoError(t, err)
+			defer resp.Body.Close()
 			assert.Equal(t, 200, resp.StatusCode)
 		}
 		{
@@ -184,6 +197,7 @@ func TestHandler(t *testing.T) {
 			req.Header.Set("Content-Range", "bytes 0-99/*")
 			resp, err := http.DefaultClient.Do(req)
 			require.NoError(t, err)
+			defer resp.Body.Close()
 			assert.Equal(t, 400, resp.StatusCode)
 		}
 	})
@@ -204,6 +218,7 @@ func TestHandler(t *testing.T) {
 			require.NoError(t, err)
 			resp, err := http.Post(base+"/caches", "application/json", bytes.NewReader(body))
 			require.NoError(t, err)
+			defer resp.Body.Close()
 			assert.Equal(t, 200, resp.StatusCode)
 
 			got := struct {
@@ -220,6 +235,7 @@ func TestHandler(t *testing.T) {
 			req.Header.Set("Content-Range", "bytes xx-99/*")
 			resp, err := http.DefaultClient.Do(req)
 			require.NoError(t, err)
+			defer resp.Body.Close()
 			assert.Equal(t, 400, resp.StatusCode)
 		}
 	})
@@ -228,6 +244,7 @@ func TestHandler(t *testing.T) {
 		{
 			resp, err := http.Post(base+"/caches/invalid_id", "", nil)
 			require.NoError(t, err)
+			defer resp.Body.Close()
 			assert.Equal(t, 400, resp.StatusCode)
 		}
 	})
@@ -236,6 +253,7 @@ func TestHandler(t *testing.T) {
 		{
 			resp, err := http.Post(fmt.Sprintf("%s/caches/%d", base, 100), "", nil)
 			require.NoError(t, err)
+			defer resp.Body.Close()
 			assert.Equal(t, 400, resp.StatusCode)
 		}
 	})
@@ -256,6 +274,7 @@ func TestHandler(t *testing.T) {
 			require.NoError(t, err)
 			resp, err := http.Post(base+"/caches", "application/json", bytes.NewReader(body))
 			require.NoError(t, err)
+			defer resp.Body.Close()
 			assert.Equal(t, 200, resp.StatusCode)
 
 			got := struct {
@@ -272,16 +291,19 @@ func TestHandler(t *testing.T) {
 			req.Header.Set("Content-Range", "bytes 0-99/*")
 			resp, err := http.DefaultClient.Do(req)
 			require.NoError(t, err)
+			defer resp.Body.Close()
 			assert.Equal(t, 200, resp.StatusCode)
 		}
 		{
 			resp, err := http.Post(fmt.Sprintf("%s/caches/%d", base, id), "", nil)
 			require.NoError(t, err)
+			defer resp.Body.Close()
 			assert.Equal(t, 200, resp.StatusCode)
 		}
 		{
 			resp, err := http.Post(fmt.Sprintf("%s/caches/%d", base, id), "", nil)
 			require.NoError(t, err)
+			defer resp.Body.Close()
 			assert.Equal(t, 400, resp.StatusCode)
 		}
 	})
@@ -302,6 +324,7 @@ func TestHandler(t *testing.T) {
 			require.NoError(t, err)
 			resp, err := http.Post(base+"/caches", "application/json", bytes.NewReader(body))
 			require.NoError(t, err)
+			defer resp.Body.Close()
 			assert.Equal(t, 200, resp.StatusCode)
 
 			got := struct {
@@ -318,11 +341,13 @@ func TestHandler(t *testing.T) {
 			req.Header.Set("Content-Range", "bytes 0-59/*")
 			resp, err := http.DefaultClient.Do(req)
 			require.NoError(t, err)
+			defer resp.Body.Close()
 			assert.Equal(t, 200, resp.StatusCode)
 		}
 		{
 			resp, err := http.Post(fmt.Sprintf("%s/caches/%d", base, id), "", nil)
 			require.NoError(t, err)
+			defer resp.Body.Close()
 			assert.Equal(t, 500, resp.StatusCode)
 		}
 	})
@@ -330,18 +355,21 @@ func TestHandler(t *testing.T) {
 	t.Run("get with bad id", func(t *testing.T) {
 		resp, err := http.Get(base + "/artifacts/invalid_id")
 		require.NoError(t, err)
+		defer resp.Body.Close()
 		require.Equal(t, 400, resp.StatusCode)
 	})
 
 	t.Run("get with not exist id", func(t *testing.T) {
 		resp, err := http.Get(fmt.Sprintf("%s/artifacts/%d", base, 100))
 		require.NoError(t, err)
+		defer resp.Body.Close()
 		require.Equal(t, 404, resp.StatusCode)
 	})
 
 	t.Run("get with not exist id", func(t *testing.T) {
 		resp, err := http.Get(fmt.Sprintf("%s/artifacts/%d", base, 100))
 		require.NoError(t, err)
+		defer resp.Body.Close()
 		require.Equal(t, 404, resp.StatusCode)
 	})
 
@@ -373,6 +401,7 @@ func TestHandler(t *testing.T) {
 
 		resp, err := http.Get(fmt.Sprintf("%s/cache?keys=%s&version=%s", base, reqKeys, version))
 		require.NoError(t, err)
+		defer resp.Body.Close()
 		require.Equal(t, 200, resp.StatusCode)
 
 		/*
@@ -393,6 +422,7 @@ func TestHandler(t *testing.T) {
 
 		contentResp, err := http.Get(got.ArchiveLocation)
 		require.NoError(t, err)
+		defer contentResp.Body.Close()
 		require.Equal(t, 200, contentResp.StatusCode)
 		content, err := io.ReadAll(contentResp.Body)
 		require.NoError(t, err)
@@ -411,6 +441,7 @@ func TestHandler(t *testing.T) {
 			reqKey := key + "_aBc"
 			resp, err := http.Get(fmt.Sprintf("%s/cache?keys=%s&version=%s", base, reqKey, version))
 			require.NoError(t, err)
+			defer resp.Body.Close()
 			require.Equal(t, 200, resp.StatusCode)
 			got := struct {
 				Result          string `json:"result"`
@@ -450,6 +481,7 @@ func TestHandler(t *testing.T) {
 
 		resp, err := http.Get(fmt.Sprintf("%s/cache?keys=%s&version=%s", base, reqKeys, version))
 		require.NoError(t, err)
+		defer resp.Body.Close()
 		require.Equal(t, 200, resp.StatusCode)
 
 		/*
@@ -468,6 +500,7 @@ func TestHandler(t *testing.T) {
 
 		contentResp, err := http.Get(got.ArchiveLocation)
 		require.NoError(t, err)
+		defer contentResp.Body.Close()
 		require.Equal(t, 200, contentResp.StatusCode)
 		content, err := io.ReadAll(contentResp.Body)
 		require.NoError(t, err)
@@ -502,6 +535,7 @@ func TestHandler(t *testing.T) {
 
 		resp, err := http.Get(fmt.Sprintf("%s/cache?keys=%s&version=%s", base, reqKeys, version))
 		require.NoError(t, err)
+		defer resp.Body.Close()
 		require.Equal(t, 200, resp.StatusCode)
 
 		/*
@@ -521,6 +555,7 @@ func TestHandler(t *testing.T) {
 
 		contentResp, err := http.Get(got.ArchiveLocation)
 		require.NoError(t, err)
+		defer contentResp.Body.Close()
 		require.Equal(t, 200, contentResp.StatusCode)
 		content, err := io.ReadAll(contentResp.Body)
 		require.NoError(t, err)
@@ -528,7 +563,7 @@ func TestHandler(t *testing.T) {
 	})
 }
 
-func uploadCacheNormally(t *testing.T, base, key, version string, content []byte) {
+func uploadCacheNormally(t *testing.T, base, key, version string, content []byte) { //nolint:unparam
 	var id uint64
 	{
 		body, err := json.Marshal(&Request{
@@ -539,6 +574,7 @@ func uploadCacheNormally(t *testing.T, base, key, version string, content []byte
 		require.NoError(t, err)
 		resp, err := http.Post(base+"/caches", "application/json", bytes.NewReader(body))
 		require.NoError(t, err)
+		defer resp.Body.Close()
 		assert.Equal(t, 200, resp.StatusCode)
 
 		got := struct {
@@ -555,17 +591,20 @@ func uploadCacheNormally(t *testing.T, base, key, version string, content []byte
 		req.Header.Set("Content-Range", "bytes 0-99/*")
 		resp, err := http.DefaultClient.Do(req)
 		require.NoError(t, err)
+		defer resp.Body.Close()
 		assert.Equal(t, 200, resp.StatusCode)
 	}
 	{
 		resp, err := http.Post(fmt.Sprintf("%s/caches/%d", base, id), "", nil)
 		require.NoError(t, err)
+		defer resp.Body.Close()
 		assert.Equal(t, 200, resp.StatusCode)
 	}
 	var archiveLocation string
 	{
 		resp, err := http.Get(fmt.Sprintf("%s/cache?keys=%s&version=%s", base, key, version))
 		require.NoError(t, err)
+		defer resp.Body.Close()
 		require.Equal(t, 200, resp.StatusCode)
 		got := struct {
 			Result          string `json:"result"`
@@ -580,6 +619,7 @@ func uploadCacheNormally(t *testing.T, base, key, version string, content []byte
 	{
 		resp, err := http.Get(archiveLocation) //nolint:gosec
 		require.NoError(t, err)
+		defer resp.Body.Close()
 		require.Equal(t, 200, resp.StatusCode)
 		got, err := io.ReadAll(resp.Body)
 		require.NoError(t, err)

pkg/common/auth_test.go

@@ -28,7 +28,7 @@ func TestCreateAuthorizationToken(t *testing.T) {
 	assert.Contains(t, scp, "Actions.Results:1:2")
 	taskIDClaim, ok := claims["TaskID"]
 	assert.True(t, ok, "Has TaskID claim in jwt token")
-	assert.Equal(t, float64(taskID), taskIDClaim, "Supplied taskid must match stored one")
+	assert.InDelta(t, float64(taskID), taskIDClaim, 0, "Supplied taskid must match stored one")
 	acClaim, ok := claims["ac"]
 	assert.True(t, ok, "Has ac claim in jwt token")
 	ac, ok := acClaim.(string)

pkg/common/file.go

@@ -1,9 +1,10 @@
 package common
 
 import (
-	"fmt"
 	"io"
 	"os"
+
+	log "github.com/sirupsen/logrus"
 )
 
 // CopyFile copy file
@@ -59,13 +60,13 @@ func CopyDir(source string, dest string) (err error) {
 			// create sub-directories - recursively
 			err = CopyDir(sourcefilepointer, destinationfilepointer)
 			if err != nil {
-				fmt.Println(err)
+				log.Error(err)
 			}
 		} else {
 			// perform copy
 			err = CopyFile(sourcefilepointer, destinationfilepointer)
 			if err != nil {
-				fmt.Println(err)
+				log.Error(err)
 			}
 		}
 	}

pkg/common/git/git.go

@@ -170,8 +170,8 @@ func FindGithubRepo(ctx context.Context, file, githubInstance, remoteName string
 	if err != nil {
 		return "", err
 	}
-	_, slug, err := findGitSlug(url, githubInstance)
-	return slug, err
+	_, slug := findGitSlug(url, githubInstance)
+	return slug, nil
 }
 
 func findGitRemoteURL(_ context.Context, file, remoteName string) (string, error) {
@@ -213,23 +213,23 @@ func matchesRegex(url string, matchers ...findStringSubmatcher) []string {
 }
 
 // TODO deprecate and remove githubInstance parameter
-func findGitSlug(url string, _ /* githubInstance */ string) (string, string, error) {
+func findGitSlug(url string, _ /* githubInstance */ string) (string, string) {
 	if matches := matchesRegex(url, codeCommitHTTPRegex, codeCommitSSHRegex); matches != nil {
-		return "CodeCommit", matches[2], nil
+		return "CodeCommit", matches[2]
 	}
 
 	if matches := matchesRegex(url, githubHTTPRegex, githubSSHRegex); matches != nil {
-		return "GitHub", fmt.Sprintf("%s/%s", matches[1], matches[2]), nil
+		return "GitHub", fmt.Sprintf("%s/%s", matches[1], matches[2])
 	}
 
 	if matches := matchesRegex(url,
 		regexp.MustCompile(`^https?://(?:[^/]+)/([^/]+)/([^/]+)(?:.git)?$`),
 		regexp.MustCompile(`([^/]+)[:/]([^/]+)/([^/]+)(?:.git)?$`),
 	); matches != nil {
-		return "GitHubEnterprise", fmt.Sprintf("%s/%s", matches[1], matches[2]), nil
+		return "GitHubEnterprise", fmt.Sprintf("%s/%s", matches[1], matches[2])
 	}
 
-	return "", url, nil
+	return "", url
 }
 
 // NewGitCloneExecutorInput the input for the NewGitCloneExecutor

pkg/common/git/git_test.go

@@ -38,19 +38,15 @@ func TestFindGitSlug(t *testing.T) {
 	}
 
 	for _, tt := range slugTests {
-		provider, slug, err := findGitSlug(tt.url, "github.com")
+		provider, slug := findGitSlug(tt.url, "github.com")
 
-		require.NoError(t, err)
 		assert.Equal(tt.provider, provider)
 		assert.Equal(tt.slug, slug)
 	}
 }
 
 func testDir(t *testing.T) string {
-	basedir, err := os.MkdirTemp("", "act-test")
-	require.NoError(t, err)
-	t.Cleanup(func() { _ = os.RemoveAll(basedir) })
-	return basedir
+	return t.TempDir()
 }
 
 func cleanGitHooks(dir string) error {

pkg/container/docker_cli.go

@@ -7,7 +7,7 @@
 // See DOCKER_LICENSE for the full license text.
 //
 
-//nolint:unparam,errcheck,depguard,deadcode,unused
+//nolint:errcheck,depguard,unused
 package container
 
 import (

pkg/container/docker_cli_test.go

@@ -6,7 +6,7 @@
 // See DOCKER_LICENSE for the full license text.
 //
 
-//nolint:unparam,whitespace,depguard,dupl,gocritic
+//nolint:whitespace,depguard,dupl,gocritic
 package container
 
 import (

pkg/container/host_environment_test.go

@@ -17,9 +17,7 @@ import (
 var _ ExecutionsEnvironment = &HostEnvironment{}
 
 func TestCopyDir(t *testing.T) {
-	dir, err := os.MkdirTemp("", "test-host-env-*")
-	require.NoError(t, err)
-	defer os.RemoveAll(dir)
+	dir := t.TempDir()
 	ctx := context.Background()
 	e := &HostEnvironment{
 		Path:      filepath.Join(dir, "path"),
@@ -33,7 +31,7 @@ func TestCopyDir(t *testing.T) {
 	_ = os.MkdirAll(e.TmpDir, 0700)
 	_ = os.MkdirAll(e.ToolCache, 0700)
 	_ = os.MkdirAll(e.ActPath, 0700)
-	err = e.CopyDir(e.Workdir, e.Path, true)(ctx)
+	err := e.CopyDir(e.Workdir, e.Path, true)(ctx)
 	require.NoError(t, err)
 }
 

pkg/model/workflow.go

@@ -610,7 +610,7 @@ func (s *Step) GetEnv() map[string]string {
 
 // ShellCommand returns the command for the shell
 func (s *Step) ShellCommand() string {
-	shellCommand := ""
+	var shellCommand string
 
 	//Reference: https://github.com/actions/runner/blob/8109c962f09d9acc473d92c595ff43afceddb347/src/Runner.Worker/Handlers/ScriptHandlerHelpers.cs#L9-L17
 	switch s.Shell {

pkg/runner/action_cache_test.go

@@ -53,20 +53,17 @@ func TestActionCache(t *testing.T) {
 		},
 	}
 	for _, c := range refs {
-		t.Run(c.Name, func(_ *testing.T) {
+		t.Run(c.Name, func(t *testing.T) {
 			sha, err := cache.Fetch(ctx, c.CacheDir, c.Repo, c.Ref, "")
-			if !a.NoError(err) || !a.NotEmpty(sha) {
-				return
-			}
+			require.NoError(t, err)
+			require.NotEmpty(t, sha)
 			atar, err := cache.GetTarArchive(ctx, c.CacheDir, sha, "js")
-			if !a.NoError(err) || !a.NotEmpty(atar) {
-				return
-			}
+			require.NoError(t, err)
+			require.NotEmpty(t, atar)
 			mytar := tar.NewReader(atar)
 			th, err := mytar.Next()
-			if !a.NoError(err) || !a.NotEqual(0, th.Size) {
-				return
-			}
+			require.NoError(t, err)
+			require.NotEqual(t, 0, th.Size)
 			buf := &bytes.Buffer{}
 			// G110: Potential DoS vulnerability via decompression bomb (gosec)
 			_, err = io.Copy(buf, mytar)

pkg/runner/expression.go

@@ -253,7 +253,7 @@ func (ee expressionEvaluator) evaluateScalarYamlNode(ctx context.Context, node *
 		return nil, err
 	}
 	if !strings.Contains(in, "${{") || !strings.Contains(in, "}}") {
-		return nil, nil
+		return nil, nil //nolint:nilnil
 	}
 	expr, _ := rewriteSubExpression(ctx, in, false)
 	res, err := ee.evaluate(ctx, expr, exprparser.DefaultStatusCheckNone)
@@ -366,7 +366,7 @@ func (ee expressionEvaluator) evaluateYamlNodeInternal(ctx context.Context, node
 	case yaml.SequenceNode:
 		return ee.evaluateSequenceYamlNode(ctx, node)
 	default:
-		return nil, nil
+		return nil, nil //nolint:nilnil
 	}
 }
 
@@ -432,7 +432,7 @@ func rewriteSubExpression(ctx context.Context, in string, forceFormat bool) (str
 		if strStart > -1 {
 			matches := strPattern.FindStringIndex(in[pos:])
 			if matches == nil {
-				return "", errors.New("unclosed string.")
+				return "", errors.New("unclosed string")
 			}
 
 			strStart = -1

pkg/runner/expression_test.go

@@ -150,7 +150,7 @@ func TestEvaluateRunContext(t *testing.T) {
 				}
 				assertObject.Equal(table.out, out, table.in)
 			} else {
-				assertObject.Error(err, table.in)
+				require.Error(t, err, table.in)
 				assertObject.Equal(table.errMesg, err.Error(), table.in)
 			}
 		})

pkg/runner/job_executor_test.go

@@ -239,7 +239,7 @@ func TestNewJobExecutor(t *testing.T) {
 
 	for _, tt := range table {
 		t.Run(tt.name, func(t *testing.T) {
-			t.Log("::group::%s\n", tt.name)
+			t.Logf("::group::%s\n", tt.name)
 
 			ctx := common.WithJobErrorContainer(context.Background())
 			jim := &jobInfoMock{}

pkg/runner/run_context.go

@@ -469,7 +469,7 @@ func (rc *RunContext) prepareServiceContainers(ctx context.Context, logger logru
 	return networkName, createAndDeleteNetwork, nil
 }
 
-func (rc *RunContext) execJobContainer(cmd []string, env map[string]string, user, workdir string) common.Executor {
+func (rc *RunContext) execJobContainer(cmd []string, env map[string]string, user, workdir string) common.Executor { //nolint:unparam
 	return func(ctx context.Context) error {
 		return rc.JobContainer.Exec(cmd, env, user, workdir)(ctx)
 	}

pkg/runner/runner_test.go

@@ -99,7 +99,7 @@ func TestGraphMissingFirst(t *testing.T) {
 	require.NoError(t, err)
 
 	plan, err := planner.PlanEvent("push")
-	assert.EqualError(t, err, "unable to build dependency graph for no first (no-first.yml)")
+	require.EqualError(t, err, "unable to build dependency graph for no first (no-first.yml)")
 	assert.NotNil(t, plan)
 	assert.Empty(t, plan.Stages)
 }
@@ -173,7 +173,7 @@ type TestJobFileInfo struct {
 }
 
 func (j *TestJobFileInfo) runTest(ctx context.Context, t *testing.T, cfg *Config) {
-	t.Log("::group::%s\n", j.workflowPath)
+	t.Logf("::group::%s\n", j.workflowPath)
 
 	log.SetLevel(logLevel)
 

pkg/workflowpattern/trace_writer.go

@@ -1,6 +1,9 @@
 package workflowpattern
 
-import "fmt"
+import (
+	"fmt"
+	"os"
+)
 
 type TraceWriter interface {
 	Info(string, ...any)
@@ -14,5 +17,5 @@ func (*EmptyTraceWriter) Info(string, ...any) {
 type StdOutTraceWriter struct{}
 
 func (*StdOutTraceWriter) Info(format string, args ...any) {
-	fmt.Printf(format+"\n", args...)
+	fmt.Fprintf(os.Stdout, format+"\n", args...)
 }