Disable LlvmTools packaging with external LLVM

[semarie]

Fixes: #52102

[rust-highfive]

r? @alexcrichton

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[rust-highfive]

The job x86_64-gnu-llvm-5.0 of your PR failed on Travis (raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

[00:03:40] travis_fold:start:tidy
travis_time:start:tidy
tidy check
[00:03:41] tidy error: /checkout/src/bootstrap/dist.rs:1913: line longer than 100 chars
[00:03:42] some tidy checks failed
[00:03:42] 
[00:03:42] 
[00:03:42] command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-tools-bin/tidy" "/checkout/src" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/cargo" "--no-vendor" "--quiet"
[00:03:42] 
[00:03:42] 
[00:03:42] failed to run: /checkout/obj/build/bootstrap/debug/bootstrap test src/tools/tidy
[00:03:42] Build completed unsuccessfully in 0:00:49
[00:03:42] Build completed unsuccessfully in 0:00:49
[00:03:42] make: *** [tidy] Error 1
[00:03:42] Makefile:79: recipe for target 'tidy' failed

The command "stamp sh -x -c "$RUN_SCRIPT"" exited with 2.
travis_time:start:20ddbddd
$ date && (curl -fs --head https://google.com | grep ^Date: | sed 's/Date: //g' || true)
---
travis_time:end:153d30aa:start=1531640622873858001,finish=1531640622884110857,duration=10252856
travis_fold:end:after_failure.3
travis_fold:start:after_failure.4
travis_time:start:02fe8a0e
$ ln -s . checkout && for CORE in obj/cores/core.*; do EXE=$(echo $CORE | sed 's|obj/cores/core\.[0-9]*\.!checkout!\(.*\)|\1|;y|!|/|'); if [ -f "$EXE" ]; then printf travis_fold":start:crashlog\n\033[31;1m%s\033[0m\n" "$CORE"; gdb -q -c "$CORE" "$EXE" -iex 'set auto-load off' -iex 'dir src/' -iex 'set sysroot .' -ex bt -ex q; echo travis_fold":"end:crashlog; fi; done || true
travis_fold:end:after_failure.4
travis_fold:start:after_failure.5
travis_time:start:1b262e15
travis_time:start:1b262e15
$ cat ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers || true
cat: ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers: No such file or directory
travis_fold:end:after_failure.5
travis_fold:start:after_failure.6
travis_time:start:0d953c00
$ dmesg | grep -i kill

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[alexcrichton]

@bors: r+

[bors]

📌 Commit 7e7c214 has been approved by alexcrichton

[bors]

⌛ Testing commit 7e7c214 with merge fb8bde0...

[bors]

☀️ Test successful - status-appveyor, status-travis
Approved by: alexcrichton
Pushing fb8bde0 to master...