[INFO] updating cached repository bitbegin/neored
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bitbegin/neored
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bitbegin/neored" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/bitbegin/neored"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/bitbegin/neored'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bitbegin/neored" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/bitbegin/neored"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/bitbegin/neored'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 294e6762e0ac3eff936f1836ea4389481f2194fb
[INFO] sha for GitHub repo bitbegin/neored: 294e6762e0ac3eff936f1836ea4389481f2194fb
[INFO] validating manifest of bitbegin/neored on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bitbegin/neored on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bitbegin/neored
[INFO] finished frobbing bitbegin/neored
[INFO] frobbed toml for bitbegin/neored written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/bitbegin/neored/Cargo.toml
[INFO] started frobbing bitbegin/neored
[INFO] finished frobbing bitbegin/neored
[INFO] frobbed toml for bitbegin/neored written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/bitbegin/neored/Cargo.toml
[INFO] crate bitbegin/neored already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/bitbegin/neored/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bitbegin/neored against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-1/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/bitbegin/neored:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0f7af62041612b0bf5cd5d444c14d344e24963751035355815c571e18c99b69b
[INFO] running `"docker" "start" "-a" "0f7af62041612b0bf5cd5d444c14d344e24963751035355815c571e18c99b69b"`
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling llvm-sys v50.3.1
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v50.3.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/llvm-sys-dc7b59b5ced099c4/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Found LLVM version 3.8.0 on PATH, but need 5.0.1.
[INFO] [stderr] Didn't find usable system-wide LLVM.
[INFO] [stderr] LLVM_SYS_50_PREFIX not set, not using precompiled binaries
[INFO] [stderr] LLVM_SYS_50_AUTOBUILD not set, will not automatically compile LLVM
[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-50.3.1/build.rs:77:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x563b456efd9b - backtrace::backtrace::libunwind::trace::h80786597adfabf72
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x563b456efd9b - backtrace::backtrace::trace_unsynchronized::hcac650387ca20819
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x563b456efd9b - std::sys_common::backtrace::_print::h1b9354ff68cb5a2b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x563b456efd9b - std::sys_common::backtrace::print::hee32569be499cf66
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x563b456efd9b - std::panicking::default_hook::{{closure}}::h57d4a5a18212e6c4
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x563b456efa76 - std::panicking::default_hook::h6b5ac8e0c8ee81de
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x563b456f050d - std::panicking::rust_panic_with_hook::h087293a0d0382d86
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x563b4561b185 - std::panicking::begin_panic::hdf1d224e7171e9a2
[INFO] [stderr]                                at /rustc/b5c7f157c20453dde8d47371abe73b32351b4e7f/src/libstd/panicking.rs:411
[INFO] [stderr]    8:     0x563b4549bd66 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::hd89664760be55090
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.3.1/build.rs:77
[INFO] [stderr]    9:     0x563b4549bd66 - core::ops::function::FnOnce::call_once::h793d122e0c944afa
[INFO] [stderr]                                at /rustc/b5c7f157c20453dde8d47371abe73b32351b4e7f/src/libcore/ops/function.rs:235
[INFO] [stderr]   10:     0x563b4549a673 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h44de1fff2033f012
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:24
[INFO] [stderr]   11:     0x563b4549a9ab - std::sync::once::Once::call_once::{{closure}}::h31017327100cae95
[INFO] [stderr]                                at /rustc/b5c7f157c20453dde8d47371abe73b32351b4e7f/src/libstd/sync/once.rs:225
[INFO] [stderr]   12:     0x563b456ed088 - std::sync::once::Once::call_inner::hb1100935d10d6bf5
[INFO] [stderr]                                at src/libstd/sync/once.rs:392
[INFO] [stderr]   13:     0x563b4549a883 - std::sync::once::Once::call_once::h6943db9b4ea35b91
[INFO] [stderr]                                at /rustc/b5c7f157c20453dde8d47371abe73b32351b4e7f/src/libstd/sync/once.rs:225
[INFO] [stderr]   14:     0x563b45498111 - lazy_static::lazy::Lazy<T>::get::haaaaa07df8be6b5a
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:23
[INFO] [stderr]   15:     0x563b45498111 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::hda3c6ebecf538108
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.3.1/<::lazy_static::__lazy_static_internal macros>:20
[INFO] [stderr]   16:     0x563b45498111 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h29438f4d55163542
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.3.1/<::lazy_static::__lazy_static_internal macros>:22
[INFO] [stderr]   17:     0x563b45495aaa - build_script_build::llvm_config::h2257568c3e8c42d6
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.3.1/build.rs:164
[INFO] [stderr]   18:     0x563b45497100 - build_script_build::get_llvm_cflags::h599f35676186eafa
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.3.1/build.rs:273
[INFO] [stderr]   19:     0x563b454974fe - build_script_build::main::ha016dbecb1e15f71
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.3.1/build.rs:298
[INFO] [stderr]   20:     0x563b4549a7b0 - std::rt::lang_start::{{closure}}::h0d9864236bc6f298
[INFO] [stderr]                                at /rustc/b5c7f157c20453dde8d47371abe73b32351b4e7f/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x563b456eff13 - std::rt::lang_start_internal::{{closure}}::h1a060554ddace6f7
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   22:     0x563b456eff13 - std::panicking::try::do_call::h36cfd8d9c1d0d936
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   23:     0x563b456f863a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   24:     0x563b456f0a1d - std::panicking::try::h225224763b892cde
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   25:     0x563b456f0a1d - std::panic::catch_unwind::h3043ed737cbd6e8e
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   26:     0x563b456f0a1d - std::rt::lang_start_internal::h97b8d999a39debed
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   27:     0x563b4549a789 - std::rt::lang_start::hb1b486bfc2389eba
[INFO] [stderr]                                at /rustc/b5c7f157c20453dde8d47371abe73b32351b4e7f/src/libstd/rt.rs:64
[INFO] [stderr]   28:     0x563b4549815a - main
[INFO] [stderr]   29:     0x7f5d3e5722e1 - __libc_start_main
[INFO] [stderr]   30:     0x563b454948aa - _start
[INFO] [stderr]   31:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "0f7af62041612b0bf5cd5d444c14d344e24963751035355815c571e18c99b69b"`
[INFO] running `"docker" "rm" "-f" "0f7af62041612b0bf5cd5d444c14d344e24963751035355815c571e18c99b69b"`
[INFO] [stdout] 0f7af62041612b0bf5cd5d444c14d344e24963751035355815c571e18c99b69b