Error return value of `model.ParseStackFrame` is not checked (errcheck)

Error return value of `model.ParseStackPos` is not checked (errcheck)

Error return value of `model.ParseHeader` is not checked (errcheck)

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)

SA1006: printf-style function with dynamic format string and no further arguments should use print-style function instead (staticcheck)

SA4006: this value of `err` is never used (staticcheck)

SA4006: this value of `err` is never used (staticcheck)