[INFO] cloning repository bitbegin/neored
[INFO] running `"git" "clone" "--bare" "git://github.com/bitbegin/neored.git" "work/cache/sources/gh/bitbegin/neored"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/bitbegin/neored'...
[INFO] running `"git" "clone" "work/cache/sources/gh/bitbegin/neored" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/bitbegin/neored"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/bitbegin/neored'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bitbegin/neored" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/bitbegin/neored"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bitbegin/neored 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 bitbegin/neored
[INFO] finished frobbing bitbegin/neored
[INFO] frobbed toml for bitbegin/neored written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-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-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded llvm-sys v50.3.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing bitbegin/neored against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 24242d639b6c1399e05934eb5ce21e9b068814bc335d455699c63abf5e43dd3a
[INFO] running `"docker" "start" "-a" "24242d639b6c1399e05934eb5ce21e9b068814bc335d455699c63abf5e43dd3a"`
[INFO] [stderr]    Compiling llvm-sys v50.3.0
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v50.3.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/llvm-sys-a730abb6215ff072/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Found LLVM version 3.8.0 on PATH, but need 5.0.0.
[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-50.3.0/build.rs:77:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5610d2e9e3eb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5610d2e9e3eb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5610d2e9e3eb - std::sys_common::backtrace::_print::hd27175ce39811176
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5610d2e9e3eb - std::sys_common::backtrace::print::h117e2eebf9a1e122
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5610d2e9e3eb - std::panicking::default_hook::{{closure}}::h6369b988ee675335
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x5610d2e9e0ec - std::panicking::default_hook::hfaefd2bea4c25f9e
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x5610d2e9eb60 - std::panicking::rust_panic_with_hook::h02c52718165ccced
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x5610d2e06568 - std::panicking::begin_panic::ha03150d7319fe41d
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:409
[INFO] [stderr]    8:     0x5610d2c44fa7 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::hd9623061e05f796c
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.3.0/build.rs:77
[INFO] [stderr]    9:     0x5610d2c44fa7 - core::ops::function::FnOnce::call_once::hbf28a4d2eb5d6cca
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231
[INFO] [stderr]   10:     0x5610d2c49293 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h79bac284b0001a76
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:24
[INFO] [stderr]   11:     0x5610d2c4346b - std::sync::once::Once::call_once::{{closure}}::h9475461e2dc06337
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sync/once.rs:220
[INFO] [stderr]   12:     0x5610d2e9b716 - std::sync::once::Once::call_inner::hcbe54f2f628098dd
[INFO] [stderr]                                at src/libstd/sync/once.rs:387
[INFO] [stderr]   13:     0x5610d2c4334d - std::sync::once::Once::call_once::h2eb06cf3510a10f5
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sync/once.rs:220
[INFO] [stderr]   14:     0x5610d2c40a1f - lazy_static::lazy::Lazy<T>::get::h379ea2fe978ea3a5
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:23
[INFO] [stderr]   15:     0x5610d2c40a1f - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::h05aa321f3f4272f0
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.3.0/<::lazy_static::__lazy_static_internal macros>:13
[INFO] [stderr]   16:     0x5610d2c40a1f - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h5c109999ea0da21d
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.3.0/<::lazy_static::__lazy_static_internal macros>:14
[INFO] [stderr]   17:     0x5610d2c3e2aa - build_script_build::llvm_config::he67e98f49a9dc3de
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.3.0/build.rs:164
[INFO] [stderr]   18:     0x5610d2c3f9c0 - build_script_build::get_llvm_cflags::h706b55b4a19afa73
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.3.0/build.rs:273
[INFO] [stderr]   19:     0x5610d2c3fdbe - build_script_build::main::h95078d2b2a0e9fc0
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.3.0/build.rs:298
[INFO] [stderr]   20:     0x5610d2c493d0 - std::rt::lang_start::{{closure}}::h38dd35034451e168
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x5610d2e9e563 - std::rt::lang_start_internal::{{closure}}::hcbc5c8394111530e
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   22:     0x5610d2e9e563 - std::panicking::try::do_call::h84c4ef65129422bb
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   23:     0x5610d2ea718a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   24:     0x5610d2e9f06d - std::panicking::try::h2c4ddfbb8ee8ea48
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   25:     0x5610d2e9f06d - std::panic::catch_unwind::hdaf4c8aaf8d806d4
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   26:     0x5610d2e9f06d - std::rt::lang_start_internal::h62b0fb13d258520d
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   27:     0x5610d2c493a9 - std::rt::lang_start::h5a990aadb13746f7
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/rt.rs:64
[INFO] [stderr]   28:     0x5610d2c40a6a - main
[INFO] [stderr]   29:     0x7ff033e8b2e1 - __libc_start_main
[INFO] [stderr]   30:     0x5610d2c3d01a - _start
[INFO] [stderr]   31:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "24242d639b6c1399e05934eb5ce21e9b068814bc335d455699c63abf5e43dd3a"`
[INFO] running `"docker" "rm" "-f" "24242d639b6c1399e05934eb5ce21e9b068814bc335d455699c63abf5e43dd3a"`
[INFO] [stdout] 24242d639b6c1399e05934eb5ce21e9b068814bc335d455699c63abf5e43dd3a