[INFO] updating cached repository iwillspeak/ullage
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/iwillspeak/ullage
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/iwillspeak/ullage" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/iwillspeak/ullage"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/iwillspeak/ullage'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iwillspeak/ullage" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/iwillspeak/ullage"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/iwillspeak/ullage'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1b6932d89f593982b3f1d9675f34f4786c4af3e6
[INFO] sha for GitHub repo iwillspeak/ullage: 1b6932d89f593982b3f1d9675f34f4786c4af3e6
[INFO] validating manifest of iwillspeak/ullage 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 iwillspeak/ullage 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 iwillspeak/ullage
[INFO] finished frobbing iwillspeak/ullage
[INFO] frobbed toml for iwillspeak/ullage written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/iwillspeak/ullage/Cargo.toml
[INFO] started frobbing iwillspeak/ullage
[INFO] finished frobbing iwillspeak/ullage
[INFO] frobbed toml for iwillspeak/ullage written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/iwillspeak/ullage/Cargo.toml
[INFO] crate iwillspeak/ullage 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 iwillspeak/ullage against try#75eff020d0923c035c2fe220db4a0465cd847048 for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-5/try#75eff020d0923c035c2fe220db4a0465cd847048:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/iwillspeak/ullage:/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" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 55a1eb0be270af00692d3ba383f76f70c14d2f271089ba1ea3ad75dc3fd34054
[INFO] running `"docker" "start" "-a" "55a1eb0be270af00692d3ba383f76f70c14d2f271089ba1ea3ad75dc3fd34054"`
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking serde v1.0.87
[INFO] [stderr]     Checking tempfile v3.0.6
[INFO] [stderr]    Compiling llvm-sys v80.0.0
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v80.0.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/llvm-sys-b32986a247bb1d0b/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Found LLVM version 3.8.0 on PATH, but need 8.0.0.
[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_80_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-80.0.0/build.rs:73:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55e8b84efefb - backtrace::backtrace::libunwind::trace::h223ecf9e25ea61ed
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55e8b84efefb - backtrace::backtrace::trace_unsynchronized::h19c402a6233e597e
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55e8b84efefb - std::sys_common::backtrace::_print::h14947081e8315ba5
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55e8b84efefb - std::sys_common::backtrace::print::h87cad3f0b50b59c5
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55e8b84efefb - std::panicking::default_hook::{{closure}}::h497a714df189bd9d
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55e8b84efbd6 - std::panicking::default_hook::h8dc4a117b759bd96
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55e8b84f066d - std::panicking::rust_panic_with_hook::h4cbf0f096b75f262
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55e8b8427c65 - std::panicking::begin_panic::h66acd474585a076d
[INFO] [stderr]                                at /rustc/75eff020d0923c035c2fe220db4a0465cd847048/src/libstd/panicking.rs:411
[INFO] [stderr]    8:     0x55e8b827ee63 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h1976d674fcb1280e
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.0.0/build.rs:73
[INFO] [stderr]    9:     0x55e8b827ee63 - core::ops::function::FnOnce::call_once::h690745606ebc19aa
[INFO] [stderr]                                at /rustc/75eff020d0923c035c2fe220db4a0465cd847048/src/libcore/ops/function.rs:235
[INFO] [stderr]   10:     0x55e8b827d41f - lazy_static::lazy::Lazy<T>::get::{{closure}}::he466c43dc2166ec1
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.2.0/src/inline_lazy.rs:28
[INFO] [stderr]   11:     0x55e8b828225b - std::sync::once::Once::call_once::{{closure}}::hcc74c2c8cde42a0f
[INFO] [stderr]                                at /rustc/75eff020d0923c035c2fe220db4a0465cd847048/src/libstd/sync/once.rs:225
[INFO] [stderr]   12:     0x55e8b84ed238 - std::sync::once::Once::call_inner::hd76e4a7bc585ddfc
[INFO] [stderr]                                at src/libstd/sync/once.rs:392
[INFO] [stderr]   13:     0x55e8b82821a3 - std::sync::once::Once::call_once::hdbbf2f5618eac9e2
[INFO] [stderr]                                at /rustc/75eff020d0923c035c2fe220db4a0465cd847048/src/libstd/sync/once.rs:225
[INFO] [stderr]   14:     0x55e8b82789e5 - lazy_static::lazy::Lazy<T>::get::h2fac91748d25751b
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.2.0/src/inline_lazy.rs:27
[INFO] [stderr]   15:     0x55e8b82789e5 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::h43b213ff33740113
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.0.0/<::lazy_static::__lazy_static_internal macros>:17
[INFO] [stderr]   16:     0x55e8b82789e5 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h9f9a346bef457561
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.0.0/<::lazy_static::__lazy_static_internal macros>:19
[INFO] [stderr]   17:     0x55e8b82762aa - build_script_build::llvm_config::h8d6cdae43b553fd8
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.0.0/build.rs:167
[INFO] [stderr]   18:     0x55e8b8277920 - build_script_build::get_llvm_cflags::h3f7c242c550d3365
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.0.0/build.rs:273
[INFO] [stderr]   19:     0x55e8b8277d1e - build_script_build::main::h4676f4337aa71c6d
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.0.0/build.rs:300
[INFO] [stderr]   20:     0x55e8b827d4c0 - std::rt::lang_start::{{closure}}::hcc3a29058ef1f81e
[INFO] [stderr]                                at /rustc/75eff020d0923c035c2fe220db4a0465cd847048/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x55e8b84f0073 - std::rt::lang_start_internal::{{closure}}::hb2a68345cd4d50f8
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   22:     0x55e8b84f0073 - std::panicking::try::do_call::ha4d88255f4a68d08
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   23:     0x55e8b84f87da - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   24:     0x55e8b84f0b7d - std::panicking::try::h6debac9988c5415d
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   25:     0x55e8b84f0b7d - std::panic::catch_unwind::h4659dbf6316a9c8d
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   26:     0x55e8b84f0b7d - std::rt::lang_start_internal::hdadab8536edf34fe
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   27:     0x55e8b827d499 - std::rt::lang_start::h42a8962546b23528
[INFO] [stderr]                                at /rustc/75eff020d0923c035c2fe220db4a0465cd847048/src/libstd/rt.rs:64
[INFO] [stderr]   28:     0x55e8b8278a6a - main
[INFO] [stderr]   29:     0x7f0230e382e1 - __libc_start_main
[INFO] [stderr]   30:     0x55e8b8274f4a - _start
[INFO] [stderr]   31:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "55a1eb0be270af00692d3ba383f76f70c14d2f271089ba1ea3ad75dc3fd34054"`
[INFO] running `"docker" "rm" "-f" "55a1eb0be270af00692d3ba383f76f70c14d2f271089ba1ea3ad75dc3fd34054"`
[INFO] [stdout] 55a1eb0be270af00692d3ba383f76f70c14d2f271089ba1ea3ad75dc3fd34054