[INFO] cloning repository ubsan/newt
[INFO] running `"git" "clone" "--bare" "git://github.com/ubsan/newt.git" "work/cache/sources/gh/ubsan/newt"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/ubsan/newt'...
[INFO] running `"git" "clone" "work/cache/sources/gh/ubsan/newt" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ubsan/newt"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ubsan/newt'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ubsan/newt" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ubsan/newt"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ubsan/newt'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8a11c9db4200da624a563286ac8040a59ceffece
[INFO] sha for GitHub repo ubsan/newt: 8a11c9db4200da624a563286ac8040a59ceffece
[INFO] validating manifest of ubsan/newt on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ubsan/newt on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ubsan/newt
[INFO] finished frobbing ubsan/newt
[INFO] frobbed toml for ubsan/newt written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ubsan/newt/Cargo.toml
[INFO] started frobbing ubsan/newt
[INFO] finished frobbing ubsan/newt
[INFO] frobbed toml for ubsan/newt written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ubsan/newt/Cargo.toml
[INFO] crate ubsan/newt already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ubsan/newt against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 8755aa94e52ec7a9ef2bb9019c78d29fb6c697cfbffcf98d0e6e5ae984b651c7
[INFO] running `"docker" "start" "-a" "8755aa94e52ec7a9ef2bb9019c78d29fb6c697cfbffcf98d0e6e5ae984b651c7"`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.0.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.6.7
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling llvm-sys v70.0.0
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v70.0.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/llvm-sys-080e542d66c37e10/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Found LLVM version 3.8.0 on PATH, but need 7.0.0.
[INFO] [stderr] Didn't find usable system-wide LLVM.
[INFO] [stderr] No suitable version of LLVM was found system-wide or pointed
[INFO] [stderr]                   to by LLVM_SYS_70_PREFIX.
[INFO] [stderr]                   
[INFO] [stderr]                   Consider using `llvmenv` to compile an appropriate copy of LLVM, and
[INFO] [stderr]                   refer to the llvm-sys documentation for more information.
[INFO] [stderr]                   
[INFO] [stderr]                   llvm-sys: https://crates.io/crates/llvm-sys
[INFO] [stderr]                   llvmenv: https://crates.io/crates/llvmenv
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[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
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55a2d94eddeb - backtrace::backtrace::libunwind::trace::h98ebe34dc63b52e3
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55a2d94eddeb - backtrace::backtrace::trace_unsynchronized::hd041341a38fdc1ca
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55a2d94eddeb - std::sys_common::backtrace::_print::hc8c584aa09df5c15
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55a2d94eddeb - std::sys_common::backtrace::print::h4828f56ae571c1ad
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55a2d94eddeb - std::panicking::default_hook::{{closure}}::h69fce690c9f4b3d3
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x55a2d94edaec - std::panicking::default_hook::h231e0e11400caad4
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x55a2d94ee560 - std::panicking::rust_panic_with_hook::h8c0d039880f491f2
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x55a2d94caa88 - std::panicking::begin_panic::h90cefc7b927a85a2
[INFO] [stderr]                                at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:409
[INFO] [stderr]    8:     0x55a2d92aa83d - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h104cbbe3a411ef24
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.0.0/build.rs:73
[INFO] [stderr]    9:     0x55a2d92aa83d - core::ops::function::FnOnce::call_once::hc71d7c305c54ef04
[INFO] [stderr]                                at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/ops/function.rs:231
[INFO] [stderr]   10:     0x55a2d92ad873 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h6cf406b98c390981
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/inline_lazy.rs:28
[INFO] [stderr]   11:     0x55a2d92adcfb - std::sync::once::Once::call_once::{{closure}}::h363b49ffbbca4ed0
[INFO] [stderr]                                at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/sync/once.rs:220
[INFO] [stderr]   12:     0x55a2d94eb166 - std::sync::once::Once::call_inner::h8b3804f1a31af0a5
[INFO] [stderr]                                at src/libstd/sync/once.rs:387
[INFO] [stderr]   13:     0x55a2d92adbdd - std::sync::once::Once::call_once::h7306c396a27fa3d5
[INFO] [stderr]                                at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/sync/once.rs:220
[INFO] [stderr]   14:     0x55a2d92a63bc - lazy_static::lazy::Lazy<T>::get::hb0421cf1a819c988
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/inline_lazy.rs:27
[INFO] [stderr]   15:     0x55a2d92a63bc - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::h9a02f0d6a84dc256
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.0.0/<::lazy_static::__lazy_static_internal macros>:13
[INFO] [stderr]   16:     0x55a2d92a63bc - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h9fc1fafda9db8cf6
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.0.0/<::lazy_static::__lazy_static_internal macros>:14
[INFO] [stderr]   17:     0x55a2d92a3b6a - build_script_build::llvm_config::hb9d71c08d615ebfe
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.0.0/build.rs:167
[INFO] [stderr]   18:     0x55a2d92a5697 - build_script_build::main::hd9c0bbb02b58ea7c
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.0.0/build.rs:300
[INFO] [stderr]   19:     0x55a2d92a8f40 - std::rt::lang_start::{{closure}}::h60a5557570647486
[INFO] [stderr]                                at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/rt.rs:64
[INFO] [stderr]   20:     0x55a2d94edf63 - std::rt::lang_start_internal::{{closure}}::ha7c0c29bf9d4b1ec
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   21:     0x55a2d94edf63 - std::panicking::try::do_call::h6e54176261da06d4
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   22:     0x55a2d94f6b7a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   23:     0x55a2d94eea6d - std::panicking::try::h108b9053abb3bfc3
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   24:     0x55a2d94eea6d - std::panic::catch_unwind::h26d0733c47c2fe78
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   25:     0x55a2d94eea6d - std::rt::lang_start_internal::hfa103a00f84c98f5
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   26:     0x55a2d92a8f19 - std::rt::lang_start::h0aa9a4d79a1ab713
[INFO] [stderr]                                at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/rt.rs:64
[INFO] [stderr]   27:     0x55a2d92a644a - main
[INFO] [stderr]   28:     0x7f1e152d22e1 - __libc_start_main
[INFO] [stderr]   29:     0x55a2d92a278a - _start
[INFO] [stderr]   30:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "8755aa94e52ec7a9ef2bb9019c78d29fb6c697cfbffcf98d0e6e5ae984b651c7"`
[INFO] running `"docker" "rm" "-f" "8755aa94e52ec7a9ef2bb9019c78d29fb6c697cfbffcf98d0e6e5ae984b651c7"`
[INFO] [stdout] 8755aa94e52ec7a9ef2bb9019c78d29fb6c697cfbffcf98d0e6e5ae984b651c7