Document how to build rustc under the same conditions as in CI #447
Labels
A-contribution-workflows
Area: contribution workflows
A-devex
Area: contributor developer experience
C-CI
Category: CI for this repo
E-hard
Difficulty: might require advanced knowledge
T-compiler
Relevant to compiler team
T-infra
Relevant to infra team
Sometimes the CI build fails, and when one tries running it locally, it succeeds.
@mati865 mentions here that one can build locally on linux under the same conditions as CI by doing:
This other user had to use this instead:
we should document exactly how to try to reproduce a CI failure locally inside docker, and then how to try to reproduce it outside docker but still using all other options that are set in CI but not by default (like using jemalloc instead of the system allocator).
This information should be complemented with a fix to #443 that explains how to attach a debugger on these scenarios.
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