whoami
Nilstrieb
- contributing since 2022
- compiler contributors team since 2023
- all areas of the compiler
- issue triaging
- 1.74 cargo feature cfg diagnostics
reviewed ♥
compiler-errors, style team member
WaffleLapkin, the most non-binary compiler contributor
jyn514, the gayest alumni of the bootstrap team
lunasorcery, friend of the above
thanks.rust-lang.org
labelling
labelling
https://forge.rust-lang.org/release/issue-triaging.html
bisection 
bisection
$ cargo new bisect
Created binary (application) `bisect` package
$ cd bisect
$ vim src/main.rs
$ cargo-bisect-rustc --access github --regress ice \
--start 2023-01-01 --end 2023-12-19
downloads toolchains instead of building them
minimization 
very useful for fixing an issue
minimization
I minimized that issue to 60 lines in 2 hours
https://github.com/Nilstrieb/ice-104649 http://blog.pnkfx.org/blog/2019/11/18/rust-bug-minimization-patterns/https://github.com/Nilstrieb/cargo-minimize
adding tests 
bug has been fixed, but no test added
just commit a test to close the issue!
tracking issues
tracking the state of a feature
719 issues (2023-01-03)
new issues aren't ready yet
really old issues often have problems
go to golden middle :)
summarize,
aggregate open questions
aggregate resolved questions
propose next steps
stabilize...
...or close
final comment periods
diagnostics
writing a new trait solver
errs.png
Internal compiler-errors fixes
step 1: become a surgeon
rustc dev guide
https://rustc-dev-guide.rust-lang.org/ask for help
zulip.rust-lang.org, #t-compiler/help