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jamesmunns
jamesmunns previously approved these changes Nov 10, 2018
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LGTM
bors r+

bors bot added a commit that referenced this pull request Nov 10, 2018
31: Force use of mdbook 0.2.1 as 0.2.2 is broken for now r=jamesmunns a=adamgreig See rust-embedded/book#58 Co-authored-by: Adam Greig <adam@adamgreig.com>
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bors bot commented Nov 10, 2018

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Huh, looks like some missing let _ = ...s ? Not sure why it started failing on this build.

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I think an updated cortex-m-semihosting might be triggering the warning but I'm not sure that's even what's causing the eventual failure, which is that b7c isn't appearing in release.objdump. I'm investigating...

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Think I found the error in the CI script, testing...

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adamgreig commented Nov 10, 2018

The log statics used to be local and are now global...

In this repository, ci/logging/app2/dev.objdump:

00000001 l .log 00000001 Goodbye 00000000 l .log 00000001 Hello, world! 

If I run arm-none-eabi-objdump -t target/thumbv7m-none-eabi/debug/app | grep '\.log':

00000001 g O .log 00000001 Goodbye 00000000 g O .log 00000001 Hello, world! 
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I believe rust-lang/rust#54414 is to blame.

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Whew. What a pain. Shame we can't have Travis build all the masters on a regular basis to catch this sort of test rot.

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@jamesmunns re-r?

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bors r+

bors bot added a commit that referenced this pull request Nov 10, 2018
31: Force use of mdbook 0.2.1 as 0.2.2 is broken for now r=therealprof a=adamgreig See rust-embedded/book#58 Co-authored-by: Adam Greig <adam@adamgreig.com>
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@adamgreig

Whew. What a pain. Shame we can't have Travis build all the masters on a regular basis to catch this sort of test rot.

Why not? I think most of the repos are already built regularly using a recurring "cron" task.

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bors bot commented Nov 10, 2018

@bors bors bot merged commit aff95c5 into master Nov 10, 2018
@bors bors bot deleted the fix-mdbook branch November 10, 2018 12:45
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Oh, you're quite right. I've set up daily builds for the book repos.

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