[INFO] updating cached repository paulcacheux/bfc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/paulcacheux/bfc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/paulcacheux/bfc" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/paulcacheux/bfc"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/paulcacheux/bfc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/paulcacheux/bfc" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/paulcacheux/bfc"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/paulcacheux/bfc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1c52a2691b57a7d3c6055274743927d78ca2c5ea
[INFO] sha for GitHub repo paulcacheux/bfc: 1c52a2691b57a7d3c6055274743927d78ca2c5ea
[INFO] validating manifest of paulcacheux/bfc on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of paulcacheux/bfc on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing paulcacheux/bfc
[INFO] finished frobbing paulcacheux/bfc
[INFO] frobbed toml for paulcacheux/bfc written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/paulcacheux/bfc/Cargo.toml
[INFO] started frobbing paulcacheux/bfc
[INFO] finished frobbing paulcacheux/bfc
[INFO] frobbed toml for paulcacheux/bfc written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/paulcacheux/bfc/Cargo.toml
[INFO] crate paulcacheux/bfc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking paulcacheux/bfc against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-6/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/paulcacheux/bfc:/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ad7d43e4de5136ebcf81713811e6d221580abbe2dbbf3ce84f4aebc5c9cafb27
[INFO] running `"docker" "start" "-a" "ad7d43e4de5136ebcf81713811e6d221580abbe2dbbf3ce84f4aebc5c9cafb27"`
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking itertools v0.6.2
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking textwrap v0.7.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking clap v2.26.0
[INFO] [stderr]    Compiling llvm-sys v50.0.0
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v50.0.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/llvm-sys-dbc06bca17af2f04/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Found LLVM version 3.8.1 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-50.0.0/build.rs:77:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55b5a29dbdcb - backtrace::backtrace::libunwind::trace::h098b67cd5ecf24d4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55b5a29dbdcb - backtrace::backtrace::trace_unsynchronized::h41f8ecb0b6b75123
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55b5a29dbdcb - std::sys_common::backtrace::_print::h6bdd5779472ab8c6
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55b5a29dbdcb - std::sys_common::backtrace::print::h535418cbcfd3b064
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55b5a29dbdcb - std::panicking::default_hook::{{closure}}::h8962ad5cd6daeea4
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55b5a29dbaa6 - std::panicking::default_hook::h39b428958abf2606
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55b5a29dc53d - std::panicking::rust_panic_with_hook::hec5b145cd2b2dbe3
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55b5a29695c5 - std::panicking::begin_panic::h6489d06059f22eb7
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/panicking.rs:411
[INFO] [stderr]    8:     0x55b5a282edc2 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::hb22ca58928ca81a6
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.0.0/build.rs:77
[INFO] [stderr]    9:     0x55b5a282edc2 - core::ops::function::FnOnce::call_once::h3977cd89e522e025
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libcore/ops/function.rs:235
[INFO] [stderr]   10:     0x55b5a282af83 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h23a4001d700892a4
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.8/src/lazy.rs:23
[INFO] [stderr]   11:     0x55b5a282b27b - std::sync::once::Once::call_once::{{closure}}::hc2ebc2403ffab99b
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/sync/once.rs:225
[INFO] [stderr]   12:     0x55b5a29d9108 - std::sync::once::Once::call_inner::h3f37b66baa8ee4e9
[INFO] [stderr]                                at src/libstd/sync/once.rs:392
[INFO] [stderr]   13:     0x55b5a282b1c3 - std::sync::once::Once::call_once::hf5954750aab65080
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/sync/once.rs:225
[INFO] [stderr]   14:     0x55b5a2828971 - lazy_static::lazy::Lazy<T>::get::hb55ad2af3e3784ef
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.8/src/lazy.rs:22
[INFO] [stderr]   15:     0x55b5a2828971 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::h4222b9f8f115f908
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.0.0/<::lazy_static::__lazy_static_internal macros>:27
[INFO] [stderr]   16:     0x55b5a2828971 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::hc5b745160644ab30
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.0.0/<::lazy_static::__lazy_static_internal macros>:29
[INFO] [stderr]   17:     0x55b5a282665a - build_script_build::llvm_config::h563f7c6a5c55d3db
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.0.0/build.rs:164
[INFO] [stderr]   18:     0x55b5a2827d63 - build_script_build::main::hf6c01e699bd263a8
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.0.0/build.rs:289
[INFO] [stderr]   19:     0x55b5a282dc90 - std::rt::lang_start::{{closure}}::h6c4f97aefb4015c1
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/rt.rs:64
[INFO] [stderr]   20:     0x55b5a29dbf43 - std::rt::lang_start_internal::{{closure}}::h1d5b2f63d8aab9e2
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   21:     0x55b5a29dbf43 - std::panicking::try::do_call::h23b1282500223f6a
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   22:     0x55b5a29e42fa - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   23:     0x55b5a29dca4d - std::panicking::try::hf851d9cd2a46569f
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   24:     0x55b5a29dca4d - std::panic::catch_unwind::h38ad47fd47b8a319
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   25:     0x55b5a29dca4d - std::rt::lang_start_internal::h8489a7c3e11328c4
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   26:     0x55b5a282dc69 - std::rt::lang_start::h88ae8519d60c2198
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/rt.rs:64
[INFO] [stderr]   27:     0x55b5a28289ba - main
[INFO] [stderr]   28:     0x7fa9aa4a72e1 - __libc_start_main
[INFO] [stderr]   29:     0x55b5a282545a - _start
[INFO] [stderr]   30:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ad7d43e4de5136ebcf81713811e6d221580abbe2dbbf3ce84f4aebc5c9cafb27"`
[INFO] running `"docker" "rm" "-f" "ad7d43e4de5136ebcf81713811e6d221580abbe2dbbf3ce84f4aebc5c9cafb27"`
[INFO] [stdout] ad7d43e4de5136ebcf81713811e6d221580abbe2dbbf3ce84f4aebc5c9cafb27