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Document the new env variable in the rustc-dev-guide

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Christian Poveda
2025-11-06 00:40:49 -05:00
parent 444f1c534b
commit 6bd5de70ee
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src/doc/rustc-dev-guide/src/tests/running.md
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@@ -321,6 +321,10 @@ Tests are built on the machine running `x` not on the remote machine.
Tests which fail to build unexpectedly (or `ui` tests producing incorrect build
output) may fail without ever running on the remote machine.
There is a default timeout of 30 minutes in case the `remote-test-server`
cannot be reached by the `x` command. This timeout can be modified by using the
`TEST_DEVICE_CONNECT_TIMEOUT_SECONDS` environment variable.
## Testing on emulators
Some platforms are tested via an emulator for architectures that aren't readily available.