Error return value of `cmd.Process.Kill` is not checked (errcheck)

Error return value of `tailCmd.Process.Signal` is not checked (errcheck)

Error return value of `straceCmd.Process.Signal` is not checked (errcheck)

Error return value of `cmd.Usage` is not checked (errcheck)

Error return value of `lock.Unlock` is not checked (errcheck)

Error return value of `lock.Unlock` is not checked (errcheck)

Error return value of `held.Unlock` is not checked (errcheck)

S1038: should use fmt.Fprintf instead of fmt.Fprintln(fmt.Sprintf(...)) (but don't forget the newline) (gosimple)

SA1019: "io/ioutil" has been deprecated since Go 1.19: As of Go 1.16, the same functionality is now provided by package [io] or package [os], and those implementations should be preferred in new code. See the specific function documentation for details. (staticcheck)

SA1019: "io/ioutil" has been deprecated since Go 1.19: As of Go 1.16, the same functionality is now provided by package [io] or package [os], and those implementations should be preferred in new code. See the specific function documentation for details. (staticcheck)

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3, actions/setup-go@v4, golangci/golangci-lint-action@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.