Allow setting timeout for cargo-bazel.

[sardok]

This PR introduces CARGO_BAZEL_TIMEOUT env variable to set timeout value for cargo-bazel invocation.

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[illicitonion]

LGTM, thanks!

Please can you add the env var to

rules_rust/crate_universe/private/generate_utils.bzl

Line 20 in f04b2a6

CRATES_REPOSITORY_ENVIRON = GENERATOR_ENV_VARS + REPIN_ENV_VARS + [

as well to make sure we'll invalidate and re-run the repository rules if the env var changes?

Thanks!

[sardok]

Thanks @illicitonion for the review. I added the change you asked. Also updated the rule & extension docs about it (although i'm not sure if it is right thing to do because CARGO_BAZEL_DEBUG is missing there, maybe some env vars shouldn't be documented?).

[illicitonion]

Perfect, thanks!