Dec 17 12:53:18.785 INFO checking ubsan/newt against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 12:53:18.786 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/ubsan/newt:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 12:53:19.420 INFO [stdout] 5bb7211f29ab33b48a8b3c15647ad261ea784da4beb5553a8593b550bc03812e
Dec 17 12:53:19.422 INFO running `"docker" "start" "-a" "5bb7211f29ab33b48a8b3c15647ad261ea784da4beb5553a8593b550bc03812e"`
Dec 17 12:53:21.520 INFO [stderr]    Compiling version_check v0.1.4
Dec 17 12:53:21.528 INFO [stderr]    Compiling libc v0.2.43
Dec 17 12:53:21.528 INFO [stderr]    Compiling regex v1.0.5
Dec 17 12:53:21.528 INFO [stderr]    Compiling ucd-util v0.1.1
Dec 17 12:53:21.560 INFO [stderr]    Compiling semver-parser v0.7.0
Dec 17 12:53:21.560 INFO [stderr]    Compiling utf8-ranges v1.0.1
Dec 17 12:53:21.560 INFO [stderr]    Compiling gcc v0.3.54
Dec 17 12:53:26.608 INFO [stderr]     Checking unicode-normalization v0.1.7
Dec 17 12:53:26.609 INFO [stderr]     Checking unicode-xid v0.1.0
Dec 17 12:53:27.564 INFO [stderr]    Compiling regex-syntax v0.6.2
Dec 17 12:53:27.812 INFO [stderr]    Compiling lazy_static v1.1.0
Dec 17 12:53:28.026 INFO [stderr]    Compiling semver v0.9.0
Dec 17 12:53:35.021 INFO [stderr]    Compiling memchr v2.0.2
Dec 17 12:53:36.133 INFO [stderr]    Compiling thread_local v0.3.6
Dec 17 12:53:36.744 INFO [stderr]    Compiling aho-corasick v0.6.7
Dec 17 12:54:13.661 INFO [stderr]    Compiling llvm-sys v70.0.0
Dec 17 12:54:18.405 INFO [stderr] error: failed to run custom build command for `llvm-sys v70.0.0`
Dec 17 12:54:18.405 INFO [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/llvm-sys-5aafe5bab525a59c/build-script-build` (exit code: 101)
Dec 17 12:54:18.405 INFO [stderr] --- stdout
Dec 17 12:54:18.405 INFO [stderr] Found LLVM version 3.8.0 on PATH, but need 7.0.0.
Dec 17 12:54:18.405 INFO [stderr] Didn't find usable system-wide LLVM.
Dec 17 12:54:18.405 INFO [stderr] No suitable version of LLVM was found system-wide or pointed
Dec 17 12:54:18.405 INFO [stderr]                   to by LLVM_SYS_70_PREFIX.
Dec 17 12:54:18.405 INFO [stderr]                   
Dec 17 12:54:18.405 INFO [stderr]                   Consider using `llvmenv` to compile an appropriate copy of LLVM, and
Dec 17 12:54:18.405 INFO [stderr]                   refer to the llvm-sys documentation for more information.
Dec 17 12:54:18.405 INFO [stderr]                   
Dec 17 12:54:18.405 INFO [stderr]                   llvm-sys: https://crates.io/crates/llvm-sys
Dec 17 12:54:18.405 INFO [stderr]                   llvmenv: https://crates.io/crates/llvmenv
Dec 17 12:54:18.405 INFO [stderr] 
Dec 17 12:54:18.405 INFO [stderr] --- stderr
Dec 17 12:54:18.405 INFO [stderr] thread 'main' panicked at 'Could not find a compatible version of LLVM', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.0.0/build.rs:73:9
Dec 17 12:54:18.405 INFO [stderr] stack backtrace:
Dec 17 12:54:18.405 INFO [stderr]    0:     0x56421f32b9c3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h44947915b4ce106c
Dec 17 12:54:18.405 INFO [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Dec 17 12:54:18.406 INFO [stderr]    1:     0x56421f3263f8 - std::sys_common::backtrace::_print::h9b364e38c5a7c3b7
Dec 17 12:54:18.406 INFO [stderr]                                at src/libstd/sys_common/backtrace.rs:71
Dec 17 12:54:18.406 INFO [stderr]    2:     0x56421f32a9b2 - std::panicking::default_hook::{{closure}}::h4a78037420a8f996
Dec 17 12:54:18.406 INFO [stderr]                                at src/libstd/sys_common/backtrace.rs:59
Dec 17 12:54:18.406 INFO [stderr]                                at src/libstd/panicking.rs:210
Dec 17 12:54:18.406 INFO [stderr]    3:     0x56421f32a724 - std::panicking::default_hook::hdb77fdf69b85f0b1
Dec 17 12:54:18.406 INFO [stderr]                                at src/libstd/panicking.rs:225
Dec 17 12:54:18.406 INFO [stderr]    4:     0x56421f32b0c0 - std::panicking::rust_panic_with_hook::hbe5771a12dc74a18
Dec 17 12:54:18.406 INFO [stderr]                                at src/libstd/panicking.rs:488
Dec 17 12:54:18.406 INFO [stderr]    5:     0x56421f305c67 - std::panicking::begin_panic::h962429803dfd1e6e
Dec 17 12:54:18.406 INFO [stderr]                                at /rustc/0b8c5828f68d7b2840b81fa51239346dc97fef5a/src/libstd/panicking.rs:422
Dec 17 12:54:18.406 INFO [stderr]    6:     0x56421f0f9824 - core::ops::function::FnOnce::call_once::hdac272ffd0352141
Dec 17 12:54:18.406 INFO [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.0.0/build.rs:73
Dec 17 12:54:18.406 INFO [stderr]                                at /rustc/0b8c5828f68d7b2840b81fa51239346dc97fef5a/src/libcore/ops/function.rs:238
Dec 17 12:54:18.406 INFO [stderr]    7:     0x56421f0fd872 - <lazy_static::lazy::Lazy<T>>::get::{{closure}}::ha09d0cb7f4cdb0b3
Dec 17 12:54:18.406 INFO [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/inline_lazy.rs:28
Dec 17 12:54:18.406 INFO [stderr]    8:     0x56421f0fd7ca - std::sync::once::Once::call_once::{{closure}}::h723c7b42b925ab73
Dec 17 12:54:18.406 INFO [stderr]                                at /rustc/0b8c5828f68d7b2840b81fa51239346dc97fef5a/src/libstd/sync/once.rs:230
Dec 17 12:54:18.406 INFO [stderr]    9:     0x56421f325875 - std::sync::once::Once::call_inner::h8977187a1426a861
Dec 17 12:54:18.406 INFO [stderr]                                at src/libstd/sync/once.rs:397
Dec 17 12:54:18.406 INFO [stderr]   10:     0x56421f0fd609 - std::sync::once::Once::call_once::h59d8d1b010dba2eb
Dec 17 12:54:18.406 INFO [stderr]                                at /rustc/0b8c5828f68d7b2840b81fa51239346dc97fef5a/src/libstd/sync/once.rs:230
Dec 17 12:54:18.406 INFO [stderr]   11:     0x56421f0f5f3b - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::hc816b6567f26b633
Dec 17 12:54:18.406 INFO [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/inline_lazy.rs:27
Dec 17 12:54:18.406 INFO [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.0.0/<::lazy_static::__lazy_static_internal macros>:13
Dec 17 12:54:18.406 INFO [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.0.0/<::lazy_static::__lazy_static_internal macros>:14
Dec 17 12:54:18.406 INFO [stderr]   12:     0x56421f0f38f9 - build_script_build::llvm_config::hfce70a0682bc0043
Dec 17 12:54:18.406 INFO [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.0.0/build.rs:167
Dec 17 12:54:18.406 INFO [stderr]   13:     0x56421f0f5182 - build_script_build::main::hb4de2d984e857829
Dec 17 12:54:18.406 INFO [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.0.0/build.rs:300
Dec 17 12:54:18.406 INFO [stderr]   14:     0x56421f0f85df - std::rt::lang_start::{{closure}}::h89399d64572181de
Dec 17 12:54:18.406 INFO [stderr]                                at /rustc/0b8c5828f68d7b2840b81fa51239346dc97fef5a/src/libstd/rt.rs:74
Dec 17 12:54:18.406 INFO [stderr]   15:     0x56421f32aac2 - std::panicking::try::do_call::hdfd0d6403b456967
Dec 17 12:54:18.406 INFO [stderr]                                at src/libstd/rt.rs:59
Dec 17 12:54:18.406 INFO [stderr]                                at src/libstd/panicking.rs:307
Dec 17 12:54:18.406 INFO [stderr]   16:     0x56421f33eca9 - __rust_maybe_catch_panic
Dec 17 12:54:18.406 INFO [stderr]                                at src/libpanic_unwind/lib.rs:102
Dec 17 12:54:18.406 INFO [stderr]   17:     0x56421f32b493 - std::rt::lang_start_internal::h3c59079606e8bd8c
Dec 17 12:54:18.406 INFO [stderr]                                at src/libstd/panicking.rs:286
Dec 17 12:54:18.406 INFO [stderr]                                at src/libstd/panic.rs:398
Dec 17 12:54:18.406 INFO [stderr]                                at src/libstd/rt.rs:58
Dec 17 12:54:18.406 INFO [stderr]   18:     0x56421f0f85b8 - std::rt::lang_start::h281c240d36484054
Dec 17 12:54:18.406 INFO [stderr]                                at /rustc/0b8c5828f68d7b2840b81fa51239346dc97fef5a/src/libstd/rt.rs:74
Dec 17 12:54:18.406 INFO [stderr]   19:     0x56421f0f5fc9 - main
Dec 17 12:54:18.406 INFO [stderr]   20:     0x7f0d00de02e0 - __libc_start_main
Dec 17 12:54:18.406 INFO [stderr]   21:     0x56421f0f2369 - _start
Dec 17 12:54:18.406 INFO [stderr]   22:                0x0 - <unknown>
Dec 17 12:54:18.406 INFO [stderr] 
Dec 17 12:54:18.407 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 17 12:54:44.224 INFO [stderr] error: build failed
Dec 17 12:54:45.084 INFO running `"docker" "inspect" "5bb7211f29ab33b48a8b3c15647ad261ea784da4beb5553a8593b550bc03812e"`
Dec 17 12:54:45.380 INFO running `"docker" "rm" "-f" "5bb7211f29ab33b48a8b3c15647ad261ea784da4beb5553a8593b550bc03812e"`
Dec 17 12:54:45.660 INFO [stdout] 5bb7211f29ab33b48a8b3c15647ad261ea784da4beb5553a8593b550bc03812e