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This commit is contained in:
Darren Shepherd
16
vendor/github.com/maruel/panicparse/.travis.yml
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vendor/github.com/maruel/panicparse/.travis.yml
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# Copyright 2014 Marc-Antoine Ruel. All rights reserved.
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# Use of this source code is governed under the Apache License, Version 2.0
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# that can be found in the LICENSE file.
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sudo: false
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language: go
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go:
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- 1.8.x
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- 1.x
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before_install:
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- go get github.com/maruel/pre-commit-go/cmd/pcg
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script:
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- pcg
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57
vendor/github.com/maruel/panicparse/Gopkg.lock
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vendor/github.com/maruel/panicparse/Gopkg.lock
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# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
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[[projects]]
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branch = "master"
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name = "github.com/kr/pretty"
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packages = ["."]
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revision = "cfb55aafdaf3ec08f0db22699ab822c50091b1c4"
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[[projects]]
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branch = "master"
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name = "github.com/kr/text"
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packages = ["."]
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revision = "7cafcd837844e784b526369c9bce262804aebc60"
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[[projects]]
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name = "github.com/maruel/ut"
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packages = ["."]
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revision = "a9c9f15ccfa6f8b90182a53df32f4745586fbae3"
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version = "v1.0.0"
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[[projects]]
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name = "github.com/mattn/go-colorable"
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packages = ["."]
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revision = "167de6bfdfba052fa6b2d3664c8f5272e23c9072"
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version = "v0.0.9"
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[[projects]]
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name = "github.com/mattn/go-isatty"
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packages = ["."]
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revision = "fc9e8d8ef48496124e79ae0df75490096eccf6fe"
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version = "v0.0.2"
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[[projects]]
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branch = "master"
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name = "github.com/mgutz/ansi"
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packages = ["."]
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revision = "9520e82c474b0a04dd04f8a40959027271bab992"
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[[projects]]
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name = "github.com/pmezard/go-difflib"
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packages = ["difflib"]
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revision = "792786c7400a136282c1664665ae0a8db921c6c2"
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version = "v1.0.0"
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[[projects]]
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branch = "master"
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name = "golang.org/x/sys"
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packages = ["unix"]
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revision = "e42485b6e20ae7d2304ec72e535b103ed350cc02"
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[solve-meta]
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analyzer-name = "dep"
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analyzer-version = 1
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inputs-digest = "64e1c923b988d687243b43f8168fc7a83ceb603bf1ce4126022d34625cada8d9"
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solver-name = "gps-cdcl"
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solver-version = 1
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38
vendor/github.com/maruel/panicparse/Gopkg.toml
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vendor/github.com/maruel/panicparse/Gopkg.toml
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# Gopkg.toml example
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#
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# Refer to https://github.com/golang/dep/blob/master/docs/Gopkg.toml.md
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# for detailed Gopkg.toml documentation.
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#
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# required = ["github.com/user/thing/cmd/thing"]
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# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
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#
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# [[constraint]]
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# name = "github.com/user/project"
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# version = "1.0.0"
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#
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# [[constraint]]
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# name = "github.com/user/project2"
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# branch = "dev"
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# source = "github.com/myfork/project2"
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#
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# [[override]]
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# name = "github.com/x/y"
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# version = "2.4.0"
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[[constraint]]
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name = "github.com/maruel/ut"
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version = "1.0.0"
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[[constraint]]
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name = "github.com/mattn/go-colorable"
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version = "0.0.9"
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[[constraint]]
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name = "github.com/mattn/go-isatty"
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version = "0.0.2"
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[[constraint]]
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branch = "master"
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name = "github.com/mgutz/ansi"
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141
vendor/github.com/maruel/panicparse/README.md
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141
vendor/github.com/maruel/panicparse/README.md
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panicparse
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==========
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Parses panic stack traces, densifies and deduplicates goroutines with similar
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stack traces. Helps debugging crashes and deadlocks in heavily parallelized
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process.
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[](https://travis-ci.org/maruel/panicparse)
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[](https://goreportcard.com/report/github.com/maruel/panicparse)
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panicparse helps make sense of Go crash dumps:
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Features
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--------
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* >50% more compact output than original stack dump yet more readable.
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* Exported symbols are bold, private symbols are darker.
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* Stdlib is green, main is yellow, rest is red.
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* Deduplicates redundant goroutine stacks. Useful for large server crashes.
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* Arguments as pointer IDs instead of raw pointer values.
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* Pushes stdlib-only stacks at the bottom to help focus on important code.
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* Usable as a library!
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[](https://godoc.org/github.com/maruel/panicparse/stack)
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* Warning: please pin the major version (i.e. vendor it via
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[dep](https://github.com/golang/dep)) as breaking changes happen on
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[major version update](https://semver.org/).
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* Parses the source files if available to augment the output.
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* Works on Windows.
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Installation
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------------
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go get github.com/maruel/panicparse/cmd/pp
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Usage
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-----
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### Piping a stack trace from another process
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#### TL;DR
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* Ubuntu (bash v4 or zsh): `|&`
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* OSX, [install bash 4+](README.md#updating-bash-on-osx), then: `|&`
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* Windows _or_ OSX with stock bash v3: `2>&1 |`
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* [Fish](http://fishshell.com/) shell: `^|`
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#### Longer version
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`pp` streams its stdin to stdout as long as it doesn't detect any panic.
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`panic()` and Go's native deadlock detector [print to
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stderr](https://golang.org/src/runtime/panic1.go) via the native [`print()`
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function](https://golang.org/pkg/builtin/#print).
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**Bash v4** or **zsh**: `|&` tells the shell to redirect stderr to stdout,
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it's an alias for `2>&1 |` ([bash
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v4](https://www.gnu.org/software/bash/manual/bash.html#Pipelines),
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[zsh](http://zsh.sourceforge.net/Doc/Release/Shell-Grammar.html#Simple-Commands-_0026-Pipelines)):
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go test -v |&pp
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**Windows or OSX native bash** [(which is
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3.2.57)](http://meta.ath0.com/2012/02/05/apples-great-gpl-purge/): They don't
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have this shortcut, so use the long form:
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go test -v 2>&1 | pp
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**Fish**: It uses [^ for stderr
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redirection](http://fishshell.com/docs/current/tutorial.html#tut_pipes_and_redirections)
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so the shortcut is `^|`:
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go test -v ^|pp
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**PowerShell**: [It has broken `2>&1` redirection](https://connect.microsoft.com/PowerShell/feedback/details/765551/in-powershell-v3-you-cant-redirect-stderr-to-stdout-without-generating-error-records). The workaround is to shell out to cmd.exe. :(
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### Investigate deadlock
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On POSIX, use `Ctrl-\` to send SIGQUIT to your process, `pp` will ignore
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the signal and will parse the stack trace.
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### Parsing from a file
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To dump to a file then parse, pass the file path of a stack trace
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go test 2> stack.txt
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pp stack.txt
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Tips
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----
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### GOTRACEBACK
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Starting with Go 1.6, [`GOTRACEBACK`](https://golang.org/pkg/runtime/) defaults
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to `single` instead of `all` / `1` that was used in 1.5 and before. To get all
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goroutines trace and not just the crashing one, set the environment variable:
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export GOTRACEBACK=all
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or `set GOTRACEBACK=all` on Windows. Probably worth to put it in your `.bashrc`.
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### Updating bash on OSX
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Install bash v4+ on OSX via [homebrew](http://brew.sh) or
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[macports](https://www.macports.org/). Your future self will appreciate having
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done that.
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### If you have `/usr/bin/pp` installed
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If you try `pp` for the first time and you get:
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Creating tables and indexes...
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Done.
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and/or
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/usr/bin/pp5.18: No input files specified
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you may be running the _Perl PAR Packager_ instead of panicparse.
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You have two choices, either you put `$GOPATH/bin` at the begining of `$PATH` or
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use long name `panicparse` with:
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go get github.com/maruel/panicparse
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then using `panicparse` instead of `pp`:
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go test 2> panicparse
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