[INFO] updating cached repository ubsan/newt
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ubsan/newt
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ubsan/newt" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/ubsan/newt"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/ubsan/newt'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ubsan/newt" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/ubsan/newt"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ubsan/newt on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/ubsan/newt/Cargo.toml
[INFO] crate ubsan/newt has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ubsan/newt against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 45fc62ed54191e495db6aad9209507d3f75b25b74f009a0087b440cef2db3a8e
[INFO] running `"docker" "start" "-a" "45fc62ed54191e495db6aad9209507d3f75b25b74f009a0087b440cef2db3a8e"`
[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 utf8-ranges v1.0.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling memchr v2.0.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[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] process didn't exit successfully: `/opt/crater/target/debug/build/llvm-sys-a14f387920118428/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:     0x560d653ffdc3 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x560d653fbbdb - std[698b411d1b74fcff]::sys_common::backtrace::_print
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stderr]    2:     0x560d653feaf6 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1}
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    3:     0x560d653fe874 - std[698b411d1b74fcff]::panicking::default_hook
[INFO] [stderr]                                at src/libstd/panicking.rs:215
[INFO] [stderr]    4:     0x560d653ff200 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook
[INFO] [stderr]                                at src/libstd/panicking.rs:478
[INFO] [stderr]    5:     0x560d65351bc7 - std[698b411d1b74fcff]::panicking::begin_panic::<&str>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:412
[INFO] [stderr]    6:     0x560d651e0183 - <<build_script_build[d5af69bcf8c883be]::LLVM_CONFIG_PATH as core[b849d6d0cd70c3a8]::ops::deref::Deref>::deref::__static_ref_initialize as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.0.0/build.rs:73
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stderr]    7:     0x560d651d2fb2 - <lazy_static[42ce9820edcf436b]::lazy::Lazy<std[698b411d1b74fcff]::path::PathBuf>>::get::<<build_script_build[d5af69bcf8c883be]::LLVM_CONFIG_PATH as core[b849d6d0cd70c3a8]::ops::deref::Deref>::deref::__static_ref_initialize>::{closure#0}
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/inline_lazy.rs:28
[INFO] [stderr]    8:     0x560d651d1eaa - <std[698b411d1b74fcff]::sync::once::Once>::call_once::<<lazy_static[42ce9820edcf436b]::lazy::Lazy<std[698b411d1b74fcff]::path::PathBuf>>::get<<build_script_build[d5af69bcf8c883be]::LLVM_CONFIG_PATH as core[b849d6d0cd70c3a8]::ops::deref::Deref>::deref::__static_ref_initialize>::{closure#0}>::{closure#0}
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sync/once.rs:220
[INFO] [stderr]    9:     0x560d653fb065 - <std[698b411d1b74fcff]::sync::once::Once>::call_inner
[INFO] [stderr]                                at src/libstd/sync/once.rs:387
[INFO] [stderr]   10:     0x560d651d1d29 - <std[698b411d1b74fcff]::sync::once::Once>::call_once::<<lazy_static[42ce9820edcf436b]::lazy::Lazy<std[698b411d1b74fcff]::path::PathBuf>>::get<<build_script_build[d5af69bcf8c883be]::LLVM_CONFIG_PATH as core[b849d6d0cd70c3a8]::ops::deref::Deref>::deref::__static_ref_initialize>::{closure#0}>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sync/once.rs:220
[INFO] [stderr]   11:     0x560d651ce99b - <build_script_build[d5af69bcf8c883be]::LLVM_CONFIG_PATH as core[b849d6d0cd70c3a8]::ops::deref::Deref>::deref
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.1.0/src/inline_lazy.rs:27
[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]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.0.0/<::lazy_static::__lazy_static_internal macros>:14
[INFO] [stderr]   12:     0x560d651cc419 - build_script_build[d5af69bcf8c883be]::llvm_config
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.0.0/build.rs:167
[INFO] [stderr]   13:     0x560d651cdc62 - build_script_build[d5af69bcf8c883be]::main
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.0.0/build.rs:300
[INFO] [stderr]   14:     0x560d651df0cf - std[698b411d1b74fcff]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x560d653fec02 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::rt::lang_start_internal::{closure#0}, i32>
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:297
[INFO] [stderr]   16:     0x560d65407819 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stderr]   17:     0x560d653ff735 - std[698b411d1b74fcff]::rt::lang_start_internal
[INFO] [stderr]                                at src/libstd/panicking.rs:276
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   18:     0x560d651dd098 - std[698b411d1b74fcff]::rt::lang_start::<()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/rt.rs:64
[INFO] [stderr]   19:     0x560d651cea29 - main
[INFO] [stderr]   20:     0x7f3e65bfa2e0 - __libc_start_main
[INFO] [stderr]   21:     0x560d651caf59 - _start
[INFO] [stderr]   22:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "45fc62ed54191e495db6aad9209507d3f75b25b74f009a0087b440cef2db3a8e"`
[INFO] running `"docker" "rm" "-f" "45fc62ed54191e495db6aad9209507d3f75b25b74f009a0087b440cef2db3a8e"`
[INFO] [stdout] 45fc62ed54191e495db6aad9209507d3f75b25b74f009a0087b440cef2db3a8e