[INFO] updating cached repository maekawatoshiki/rucc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/maekawatoshiki/rucc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/maekawatoshiki/rucc" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/maekawatoshiki/rucc"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/maekawatoshiki/rucc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/maekawatoshiki/rucc" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/maekawatoshiki/rucc"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/maekawatoshiki/rucc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c094a95f8a454f4e4654da241786676c57f1b6aa
[INFO] sha for GitHub repo maekawatoshiki/rucc: c094a95f8a454f4e4654da241786676c57f1b6aa
[INFO] validating manifest of maekawatoshiki/rucc on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of maekawatoshiki/rucc on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing maekawatoshiki/rucc
[INFO] finished frobbing maekawatoshiki/rucc
[INFO] frobbed toml for maekawatoshiki/rucc written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/maekawatoshiki/rucc/Cargo.toml
[INFO] started frobbing maekawatoshiki/rucc
[INFO] finished frobbing maekawatoshiki/rucc
[INFO] frobbed toml for maekawatoshiki/rucc written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/maekawatoshiki/rucc/Cargo.toml
[INFO] crate maekawatoshiki/rucc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking maekawatoshiki/rucc against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-6/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/maekawatoshiki/rucc:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ea094cf01d627afde0c09c566dc6971e37c2711c416b927adf229f6b3957d64e
[INFO] running `"docker" "start" "-a" "ea094cf01d627afde0c09c566dc6971e37c2711c416b927adf229f6b3957d64e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]     Checking clap v2.29.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]    Compiling llvm-sys v40.0.5
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v40.0.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/llvm-sys-aa8c1e33616ef839/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Found LLVM version 3.8.1 on PATH, but need 4.0.5.
[INFO] [stderr] Didn't find usable system-wide LLVM.
[INFO] [stderr] LLVM_SYS_40_PREFIX not set, not using precompiled binaries
[INFO] [stderr] LLVM_SYS_40_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-40.0.5/build.rs:77:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x561e739715eb - backtrace::backtrace::libunwind::trace::h99e6362fdb92a8eb
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x561e739715eb - backtrace::backtrace::trace_unsynchronized::hb03857eb223d1e1b
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x561e739715eb - std::sys_common::backtrace::_print::hc504093b15dd6a49
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x561e739715eb - std::sys_common::backtrace::print::h74592d8df46164e6
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x561e739715eb - std::panicking::default_hook::{{closure}}::h148953d9747d04f4
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x561e739712c6 - std::panicking::default_hook::h72a253311e200c7c
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x561e73971d5d - std::panicking::rust_panic_with_hook::h625fcf59e672b6a0
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x561e7394f955 - std::panicking::begin_panic::h36afad8cfb1b83d9
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/panicking.rs:411
[INFO] [stderr]    8:     0x561e737c2b02 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h393e6c4156ec408a
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.5/build.rs:77
[INFO] [stderr]    9:     0x561e737c2b02 - core::ops::function::FnOnce::call_once::h803d2418847af83f
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libcore/ops/function.rs:235
[INFO] [stderr]   10:     0x561e737be813 - lazy_static::lazy::Lazy<T>::get::{{closure}}::hfb3f3ddaca1b0d46
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:24
[INFO] [stderr]   11:     0x561e737bea9b - std::sync::once::Once::call_once::{{closure}}::hfa8721b2c741f79b
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/sync/once.rs:225
[INFO] [stderr]   12:     0x561e7396e928 - std::sync::once::Once::call_inner::he6d28d54501b05b5
[INFO] [stderr]                                at src/libstd/sync/once.rs:392
[INFO] [stderr]   13:     0x561e737be933 - std::sync::once::Once::call_once::h676fc325bf9a9196
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/sync/once.rs:225
[INFO] [stderr]   14:     0x561e737bc1b1 - lazy_static::lazy::Lazy<T>::get::h53953b92d208fecb
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:23
[INFO] [stderr]   15:     0x561e737bc1b1 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::hce8e07a1e373446e
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.5/<::lazy_static::__lazy_static_internal macros>:20
[INFO] [stderr]   16:     0x561e737bc1b1 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h6393862195bc47fc
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.5/<::lazy_static::__lazy_static_internal macros>:22
[INFO] [stderr]   17:     0x561e737b9f0a - build_script_build::llvm_config::hf914ac42fe6f8648
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.5/build.rs:164
[INFO] [stderr]   18:     0x561e737bb613 - build_script_build::main::h22f9ad8297a15816
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.5/build.rs:289
[INFO] [stderr]   19:     0x561e737c19b0 - std::rt::lang_start::{{closure}}::h9469235d5764aea7
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/rt.rs:64
[INFO] [stderr]   20:     0x561e73971763 - std::rt::lang_start_internal::{{closure}}::h5b4ccd53e4167b89
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   21:     0x561e73971763 - std::panicking::try::do_call::h85f9b79f07affa28
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   22:     0x561e73979b6a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   23:     0x561e7397226d - std::panicking::try::h0463127fe79abe73
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   24:     0x561e7397226d - std::panic::catch_unwind::h846bfd7d9d99e56b
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   25:     0x561e7397226d - std::rt::lang_start_internal::h0a72d627fb2e90ec
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   26:     0x561e737c1989 - std::rt::lang_start::h882787901539b823
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/rt.rs:64
[INFO] [stderr]   27:     0x561e737bc1fa - main
[INFO] [stderr]   28:     0x7fd91f61b2e1 - __libc_start_main
[INFO] [stderr]   29:     0x561e737b8cfa - _start
[INFO] [stderr]   30:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "ea094cf01d627afde0c09c566dc6971e37c2711c416b927adf229f6b3957d64e"`
[INFO] running `"docker" "rm" "-f" "ea094cf01d627afde0c09c566dc6971e37c2711c416b927adf229f6b3957d64e"`
[INFO] [stdout] ea094cf01d627afde0c09c566dc6971e37c2711c416b927adf229f6b3957d64e