[INFO] updating cached repository paulcacheux/YAL
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/paulcacheux/YAL
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/paulcacheux/YAL" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/paulcacheux/YAL"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/paulcacheux/YAL'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/paulcacheux/YAL" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/paulcacheux/YAL"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/paulcacheux/YAL'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8462218d0563fb573aed4b8801e1a576579bfe8b
[INFO] sha for GitHub repo paulcacheux/YAL: 8462218d0563fb573aed4b8801e1a576579bfe8b
[INFO] validating manifest of paulcacheux/YAL 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 paulcacheux/YAL 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 paulcacheux/YAL
[INFO] finished frobbing paulcacheux/YAL
[INFO] frobbed toml for paulcacheux/YAL written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/paulcacheux/YAL/Cargo.toml
[INFO] started frobbing paulcacheux/YAL
[INFO] finished frobbing paulcacheux/YAL
[INFO] frobbed toml for paulcacheux/YAL written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/paulcacheux/YAL/Cargo.toml
[INFO] crate paulcacheux/YAL 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking paulcacheux/YAL against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-7/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/paulcacheux/YAL:/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] 7538462378aa0039f3d0329e2335d71388050dc8013dae30f5bace76eff469dd
[INFO] running `"docker" "start" "-a" "7538462378aa0039f3d0329e2335d71388050dc8013dae30f5bace76eff469dd"`
[INFO] [stderr]     Checking if_chain v0.1.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling semver v0.6.0
[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 v50.0.2
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v50.0.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/llvm-sys-bca5986ef2c976fc/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Found LLVM version 3.8.0 on PATH, but need 5.0.2.
[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-50.0.2/build.rs:77:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5630c972afcb - 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:     0x5630c972afcb - 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:     0x5630c972afcb - std::sys_common::backtrace::_print::hc504093b15dd6a49
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5630c972afcb - std::sys_common::backtrace::print::h74592d8df46164e6
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5630c972afcb - std::panicking::default_hook::{{closure}}::h148953d9747d04f4
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x5630c972aca6 - std::panicking::default_hook::h72a253311e200c7c
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x5630c972b73d - std::panicking::rust_panic_with_hook::h625fcf59e672b6a0
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x5630c9709335 - std::panicking::begin_panic::h36afad8cfb1b83d9
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/panicking.rs:411
[INFO] [stderr]    8:     0x5630c95570d2 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h4abed4f4cf97f2bd
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.0.2/build.rs:77
[INFO] [stderr]    9:     0x5630c95570d2 - core::ops::function::FnOnce::call_once::h426610a4694d7a0d
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libcore/ops/function.rs:235
[INFO] [stderr]   10:     0x5630c9555ae3 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h8affc6f5cdde843d
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:24
[INFO] [stderr]   11:     0x5630c9555ddb - std::sync::once::Once::call_once::{{closure}}::he58a72dbfdd880d8
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/sync/once.rs:225
[INFO] [stderr]   12:     0x5630c9728308 - std::sync::once::Once::call_inner::he6d28d54501b05b5
[INFO] [stderr]                                at src/libstd/sync/once.rs:392
[INFO] [stderr]   13:     0x5630c9555d23 - std::sync::once::Once::call_once::hc76be2339ffa29b0
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/sync/once.rs:225
[INFO] [stderr]   14:     0x5630c9553581 - lazy_static::lazy::Lazy<T>::get::h7c0e8ead0ba36628
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:23
[INFO] [stderr]   15:     0x5630c9553581 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::ha7a8640d508cd52f
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.0.2/<::lazy_static::__lazy_static_internal macros>:20
[INFO] [stderr]   16:     0x5630c9553581 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h3c4d1bd711f8ccd8
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.0.2/<::lazy_static::__lazy_static_internal macros>:22
[INFO] [stderr]   17:     0x5630c9550f2a - build_script_build::llvm_config::he66eacceba5e11e6
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.0.2/build.rs:164
[INFO] [stderr]   18:     0x5630c9552973 - build_script_build::main::h6aed0378eeca5ffd
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.0.2/build.rs:296
[INFO] [stderr]   19:     0x5630c955b600 - std::rt::lang_start::{{closure}}::h9b49f2fb48545f74
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/rt.rs:64
[INFO] [stderr]   20:     0x5630c972b143 - std::rt::lang_start_internal::{{closure}}::h5b4ccd53e4167b89
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   21:     0x5630c972b143 - std::panicking::try::do_call::h85f9b79f07affa28
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   22:     0x5630c973354a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   23:     0x5630c972bc4d - std::panicking::try::h0463127fe79abe73
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   24:     0x5630c972bc4d - std::panic::catch_unwind::h846bfd7d9d99e56b
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   25:     0x5630c972bc4d - std::rt::lang_start_internal::h0a72d627fb2e90ec
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   26:     0x5630c955b5d9 - std::rt::lang_start::h917e4e74bb52b236
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/rt.rs:64
[INFO] [stderr]   27:     0x5630c95535ca - main
[INFO] [stderr]   28:     0x7f46b6cf22e1 - __libc_start_main
[INFO] [stderr]   29:     0x5630c954fd1a - _start
[INFO] [stderr]   30:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "7538462378aa0039f3d0329e2335d71388050dc8013dae30f5bace76eff469dd"`
[INFO] running `"docker" "rm" "-f" "7538462378aa0039f3d0329e2335d71388050dc8013dae30f5bace76eff469dd"`
[INFO] [stdout] 7538462378aa0039f3d0329e2335d71388050dc8013dae30f5bace76eff469dd