Dec 19 06:26:43.223 INFO checking ubsan/newt against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 06:26:43.223 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 06:26:43.700 INFO [stdout] 3bdc85044ebbe9cd54b847718f93f3cb0cd9207e4d3b83ad78bbf4a6dfa20031
Dec 19 06:26:43.706 INFO running `"docker" "start" "-a" "3bdc85044ebbe9cd54b847718f93f3cb0cd9207e4d3b83ad78bbf4a6dfa20031"`
Dec 19 06:26:45.332 INFO [stderr]    Compiling version_check v0.1.4
Dec 19 06:26:45.332 INFO [stderr]    Compiling libc v0.2.43
Dec 19 06:26:45.332 INFO [stderr]    Compiling ucd-util v0.1.1
Dec 19 06:26:45.332 INFO [stderr]    Compiling regex v1.0.5
Dec 19 06:26:45.332 INFO [stderr]    Compiling semver-parser v0.7.0
Dec 19 06:26:45.336 INFO [stderr]    Compiling utf8-ranges v1.0.1
Dec 19 06:26:45.340 INFO [stderr]    Compiling gcc v0.3.54
Dec 19 06:26:51.740 INFO [stderr]     Checking unicode-normalization v0.1.7
Dec 19 06:26:51.754 INFO [stderr]     Checking unicode-xid v0.1.0
Dec 19 06:26:54.758 INFO [stderr]    Compiling regex-syntax v0.6.2
Dec 19 06:26:57.633 INFO [stderr]    Compiling semver v0.9.0
Dec 19 06:26:57.709 INFO [stderr]    Compiling lazy_static v1.1.0
Dec 19 06:26:57.921 INFO [stderr]    Compiling memchr v2.0.2
Dec 19 06:27:00.041 INFO [stderr]    Compiling aho-corasick v0.6.7
Dec 19 06:27:01.522 INFO [stderr]    Compiling thread_local v0.3.6
Dec 19 06:27:36.188 INFO [stderr]    Compiling llvm-sys v70.0.0
Dec 19 06:27:41.243 INFO [stderr] error: failed to run custom build command for `llvm-sys v70.0.0`
Dec 19 06:27:41.243 INFO [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/llvm-sys-8b8e18d34ccae48f/build-script-build` (exit code: 101)
Dec 19 06:27:41.243 INFO [stderr] --- stdout
Dec 19 06:27:41.243 INFO [stderr] Found LLVM version 3.8.0 on PATH, but need 7.0.0.
Dec 19 06:27:41.243 INFO [stderr] Didn't find usable system-wide LLVM.
Dec 19 06:27:41.243 INFO [stderr] No suitable version of LLVM was found system-wide or pointed
Dec 19 06:27:41.243 INFO [stderr]                   to by LLVM_SYS_70_PREFIX.
Dec 19 06:27:41.243 INFO [stderr]                   
Dec 19 06:27:41.243 INFO [stderr]                   Consider using `llvmenv` to compile an appropriate copy of LLVM, and
Dec 19 06:27:41.243 INFO [stderr]                   refer to the llvm-sys documentation for more information.
Dec 19 06:27:41.243 INFO [stderr]                   
Dec 19 06:27:41.243 INFO [stderr]                   llvm-sys: https://crates.io/crates/llvm-sys
Dec 19 06:27:41.244 INFO [stderr]                   llvmenv: https://crates.io/crates/llvmenv
Dec 19 06:27:41.244 INFO [stderr] 
Dec 19 06:27:41.244 INFO [stderr] --- stderr
Dec 19 06:27:41.244 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 19 06:27:41.244 INFO [stderr] stack backtrace:
Dec 19 06:27:41.244 INFO [stderr]    0:     0x55f17935cf13 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6e7bc8d4fb88ec5c
Dec 19 06:27:41.244 INFO [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Dec 19 06:27:41.244 INFO [stderr]    1:     0x55f179358ee8 - std::sys_common::backtrace::_print::h3185a7f0a96bc82b
Dec 19 06:27:41.244 INFO [stderr]                                at src/libstd/sys_common/backtrace.rs:72
Dec 19 06:27:41.244 INFO [stderr]    2:     0x55f17935bf02 - std::panicking::default_hook::{{closure}}::h162ee7047d056245
Dec 19 06:27:41.244 INFO [stderr]                                at src/libstd/sys_common/backtrace.rs:60
Dec 19 06:27:41.244 INFO [stderr]                                at src/libstd/panicking.rs:210
Dec 19 06:27:41.244 INFO [stderr]    3:     0x55f17935bc74 - std::panicking::default_hook::h27e44ad9f5efc588
Dec 19 06:27:41.244 INFO [stderr]                                at src/libstd/panicking.rs:225
Dec 19 06:27:41.244 INFO [stderr]    4:     0x55f17935c610 - std::panicking::rust_panic_with_hook::he8291f9ecfbf7e24
Dec 19 06:27:41.244 INFO [stderr]                                at src/libstd/panicking.rs:488
Dec 19 06:27:41.244 INFO [stderr]    5:     0x55f1792ac4d7 - std::panicking::begin_panic::hd1cabb7e11fb2f5b
Dec 19 06:27:41.244 INFO [stderr]                                at /rustc/e70472fc501b855c9080f3772432c10fe20b8866/src/libstd/panicking.rs:422
Dec 19 06:27:41.244 INFO [stderr]    6:     0x55f17912d9a4 - core::ops::function::FnOnce::call_once::had951814ff94d877
Dec 19 06:27:41.244 INFO [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.0.0/build.rs:73
Dec 19 06:27:41.244 INFO [stderr]                                at /rustc/e70472fc501b855c9080f3772432c10fe20b8866/src/libcore/ops/function.rs:241
Dec 19 06:27:41.244 INFO [stderr]    7:     0x55f179131d82 - <lazy_static::lazy::Lazy<T>>::get::{{closure}}::hf6cab2433f4dd618
Dec 19 06:27:41.244 INFO [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/inline_lazy.rs:28
Dec 19 06:27:41.244 INFO [stderr]    8:     0x55f179131c5a - std::sync::once::Once::call_once::{{closure}}::h45f31b02d70822f4
Dec 19 06:27:41.244 INFO [stderr]                                at /rustc/e70472fc501b855c9080f3772432c10fe20b8866/src/libstd/sync/once.rs:230
Dec 19 06:27:41.244 INFO [stderr]    9:     0x55f179358365 - std::sync::once::Once::call_inner::hccf109fde2bbc0d9
Dec 19 06:27:41.244 INFO [stderr]                                at src/libstd/sync/once.rs:397
Dec 19 06:27:41.244 INFO [stderr]   10:     0x55f179131a59 - std::sync::once::Once::call_once::h522b8577a69d1413
Dec 19 06:27:41.244 INFO [stderr]                                at /rustc/e70472fc501b855c9080f3772432c10fe20b8866/src/libstd/sync/once.rs:230
Dec 19 06:27:41.244 INFO [stderr]   11:     0x55f17912a44b - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h45901427380227eb
Dec 19 06:27:41.244 INFO [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/inline_lazy.rs:27
Dec 19 06:27:41.244 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 19 06:27:41.244 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 19 06:27:41.244 INFO [stderr]   12:     0x55f179127e09 - build_script_build::llvm_config::h54ddf5f725f6e7c8
Dec 19 06:27:41.244 INFO [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.0.0/build.rs:167
Dec 19 06:27:41.244 INFO [stderr]   13:     0x55f179129692 - build_script_build::main::h590f13c2e4c9833e
Dec 19 06:27:41.244 INFO [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.0.0/build.rs:300
Dec 19 06:27:41.244 INFO [stderr]   14:     0x55f17912caef - std::rt::lang_start::{{closure}}::he380e5c2a1f6db42
Dec 19 06:27:41.244 INFO [stderr]                                at /rustc/e70472fc501b855c9080f3772432c10fe20b8866/src/libstd/rt.rs:74
Dec 19 06:27:41.244 INFO [stderr]   15:     0x55f17935c012 - std::panicking::try::do_call::hc4b9ec7b67d70d46
Dec 19 06:27:41.244 INFO [stderr]                                at src/libstd/rt.rs:59
Dec 19 06:27:41.244 INFO [stderr]                                at src/libstd/panicking.rs:307
Dec 19 06:27:41.244 INFO [stderr]   16:     0x55f179370209 - __rust_maybe_catch_panic
Dec 19 06:27:41.244 INFO [stderr]                                at src/libpanic_unwind/lib.rs:102
Dec 19 06:27:41.244 INFO [stderr]   17:     0x55f17935c9e3 - std::rt::lang_start_internal::h3effe680d92b51f0
Dec 19 06:27:41.244 INFO [stderr]                                at src/libstd/panicking.rs:286
Dec 19 06:27:41.244 INFO [stderr]                                at src/libstd/panic.rs:398
Dec 19 06:27:41.244 INFO [stderr]                                at src/libstd/rt.rs:58
Dec 19 06:27:41.244 INFO [stderr]   18:     0x55f17912cac8 - std::rt::lang_start::h83f5cce676bdee64
Dec 19 06:27:41.244 INFO [stderr]                                at /rustc/e70472fc501b855c9080f3772432c10fe20b8866/src/libstd/rt.rs:74
Dec 19 06:27:41.244 INFO [stderr]   19:     0x55f17912a4d9 - main
Dec 19 06:27:41.244 INFO [stderr]   20:     0x7fb1627502e0 - __libc_start_main
Dec 19 06:27:41.244 INFO [stderr]   21:     0x55f179126879 - _start
Dec 19 06:27:41.244 INFO [stderr]   22:                0x0 - <unknown>
Dec 19 06:27:41.244 INFO [stderr] 
Dec 19 06:27:41.244 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 06:28:02.015 INFO [stderr] error: build failed
Dec 19 06:28:03.299 INFO running `"docker" "inspect" "3bdc85044ebbe9cd54b847718f93f3cb0cd9207e4d3b83ad78bbf4a6dfa20031"`
Dec 19 06:28:03.504 INFO running `"docker" "rm" "-f" "3bdc85044ebbe9cd54b847718f93f3cb0cd9207e4d3b83ad78bbf4a6dfa20031"`
Dec 19 06:28:03.880 INFO [stdout] 3bdc85044ebbe9cd54b847718f93f3cb0cd9207e4d3b83ad78bbf4a6dfa20031