[INFO] cloning repository paulcacheux/YAL
[INFO] running `"git" "clone" "--bare" "git://github.com/paulcacheux/YAL.git" "work/cache/sources/gh/paulcacheux/YAL"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/paulcacheux/YAL'...
[INFO] running `"git" "clone" "work/cache/sources/gh/paulcacheux/YAL" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/paulcacheux/YAL"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/paulcacheux/YAL'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/paulcacheux/YAL" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/paulcacheux/YAL"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/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#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of paulcacheux/YAL on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-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-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/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-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/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" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded llvm-sys v50.0.2
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking paulcacheux/YAL against master#9f06855064ed06a50c496577b21ca50f92a2e67d for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-1/master#9f06855064ed06a50c496577b21ca50f92a2e67d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/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" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 08ac428f455fd1c89311334d169cbd87328c35c071cef2541efbaadb000edbeb
[INFO] running `"docker" "start" "-a" "08ac428f455fd1c89311334d169cbd87328c35c071cef2541efbaadb000edbeb"`
[INFO] [stderr]     Checking if_chain v0.1.2
[INFO] [stderr]     Checking typed-arena v1.3.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking clap v2.29.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking 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-23fdfe78d1b7a161/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:     0x5622bbe9973b - backtrace::backtrace::libunwind::trace::hc6a4966d389b62be
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5622bbe9973b - backtrace::backtrace::trace_unsynchronized::h234cd6c2c95fa587
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5622bbe9973b - std::sys_common::backtrace::_print::h2896bece16680b31
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5622bbe9973b - std::sys_common::backtrace::print::h5f4d4b954705d426
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5622bbe9973b - std::panicking::default_hook::{{closure}}::h3d52949e2d73c1aa
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x5622bbe9943c - std::panicking::default_hook::h4b88c02cc00064f5
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x5622bbe99eb0 - std::panicking::rust_panic_with_hook::he5596ad1952b7279
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x5622bbe762b8 - std::panicking::begin_panic::hd40d61a80d3a794c
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/panicking.rs:409
[INFO] [stderr]    8:     0x5622bbcce293 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h7a504726333c4702
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.0.2/build.rs:77
[INFO] [stderr]    9:     0x5622bbcce293 - core::ops::function::FnOnce::call_once::h75646fd55a1f6d3f
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libcore/ops/function.rs:231
[INFO] [stderr]   10:     0x5622bbccd3d3 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h05efaf9f76fab9f8
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:24
[INFO] [stderr]   11:     0x5622bbccd67b - std::sync::once::Once::call_once::{{closure}}::h7f2122e6cbf03b5e
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/sync/once.rs:225
[INFO] [stderr]   12:     0x5622bbe96ab6 - std::sync::once::Once::call_inner::h7242226892b2073d
[INFO] [stderr]                                at src/libstd/sync/once.rs:392
[INFO] [stderr]   13:     0x5622bbccd55d - std::sync::once::Once::call_once::h21a134da06692333
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/sync/once.rs:225
[INFO] [stderr]   14:     0x5622bbcbe15f - lazy_static::lazy::Lazy<T>::get::hf765d5f4ca40c336
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:23
[INFO] [stderr]   15:     0x5622bbcbe15f - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::h53d702cdb12e8c0d
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.0.2/<::lazy_static::__lazy_static_internal macros>:13
[INFO] [stderr]   16:     0x5622bbcbe15f - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::he1fd3a8fab07b1c6
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.0.2/<::lazy_static::__lazy_static_internal macros>:14
[INFO] [stderr]   17:     0x5622bbcbb9fa - build_script_build::llvm_config::h13faea3815759cfc
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.0.2/build.rs:164
[INFO] [stderr]   18:     0x5622bbcbd503 - build_script_build::main::h764ddfd8ae5e9155
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.0.2/build.rs:296
[INFO] [stderr]   19:     0x5622bbcc2730 - std::rt::lang_start::{{closure}}::h16dd7d61221d8946
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/rt.rs:64
[INFO] [stderr]   20:     0x5622bbe998b3 - std::rt::lang_start_internal::{{closure}}::h97d240c87982728f
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   21:     0x5622bbe998b3 - std::panicking::try::do_call::h657ecdd23710c935
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   22:     0x5622bbea21aa - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   23:     0x5622bbe9a3bd - std::panicking::try::h52772d620cb80373
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   24:     0x5622bbe9a3bd - std::panic::catch_unwind::hac02eb84ea8f3a3e
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   25:     0x5622bbe9a3bd - std::rt::lang_start_internal::h9fab34d7c96dfdc9
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   26:     0x5622bbcc2709 - std::rt::lang_start::h519dd07ba81bda21
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/rt.rs:64
[INFO] [stderr]   27:     0x5622bbcbe1aa - main
[INFO] [stderr]   28:     0x7f11c40962e1 - __libc_start_main
[INFO] [stderr]   29:     0x5622bbcba78a - _start
[INFO] [stderr]   30:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "08ac428f455fd1c89311334d169cbd87328c35c071cef2541efbaadb000edbeb"`
[INFO] running `"docker" "rm" "-f" "08ac428f455fd1c89311334d169cbd87328c35c071cef2541efbaadb000edbeb"`
[INFO] [stdout] 08ac428f455fd1c89311334d169cbd87328c35c071cef2541efbaadb000edbeb