[INFO] fetching crate predicator 0.0.5...
[INFO] extracting crate predicator 0.0.5 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/predicator/0.0.5
[INFO] extracting crate predicator 0.0.5 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/predicator/0.0.5
[INFO] validating manifest of predicator-0.0.5 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 predicator-0.0.5 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 predicator-0.0.5
[INFO] finished frobbing predicator-0.0.5
[INFO] frobbed toml for predicator-0.0.5 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/predicator/0.0.5/Cargo.toml
[INFO] started frobbing predicator-0.0.5
[INFO] finished frobbing predicator-0.0.5
[INFO] frobbed toml for predicator-0.0.5 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/predicator/0.0.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-extra v0.0.17
[INFO] [stderr]   Downloaded llvm-sys v40.0.7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking predicator-0.0.5 against master#9f06855064ed06a50c496577b21ca50f92a2e67d for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-6/master#9f06855064ed06a50c496577b21ca50f92a2e67d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/predicator/0.0.5:/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] c2b14ab3bcbf19871d82c55d2740d0383be3848da769ab19821f95276636f930
[INFO] running `"docker" "start" "-a" "c2b14ab3bcbf19871d82c55d2740d0383be3848da769ab19821f95276636f930"`
[INFO] [stderr]    Compiling cpp_synom v0.12.0
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]     Checking rust-extra v0.0.17
[INFO] [stderr]    Compiling llvm-sys v40.0.7
[INFO] [stderr]    Compiling cpp_syn v0.12.0
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v40.0.7`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/llvm-sys-f67635ea2a29d479/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Found LLVM version 3.8.1 on PATH, but need 4.0.7.
[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-40.0.7/build.rs:77:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5575a5a0780b - 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:     0x5575a5a0780b - 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:     0x5575a5a0780b - std::sys_common::backtrace::_print::h2896bece16680b31
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5575a5a0780b - std::sys_common::backtrace::print::h5f4d4b954705d426
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5575a5a0780b - std::panicking::default_hook::{{closure}}::h3d52949e2d73c1aa
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x5575a5a0750c - std::panicking::default_hook::h4b88c02cc00064f5
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x5575a5a07f80 - std::panicking::rust_panic_with_hook::he5596ad1952b7279
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x5575a599ab18 - std::panicking::begin_panic::h6ec4bb211a14b9cd
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/panicking.rs:409
[INFO] [stderr]    8:     0x5575a57fcf03 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::hbb3e179530e135e0
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.7/build.rs:77
[INFO] [stderr]    9:     0x5575a57fcf03 - core::ops::function::FnOnce::call_once::hdb9a2f9254bc7e84
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libcore/ops/function.rs:231
[INFO] [stderr]   10:     0x5575a57f9d73 - lazy_static::lazy::Lazy<T>::get::{{closure}}::ha36adc294de61031
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:24
[INFO] [stderr]   11:     0x5575a57fa01b - std::sync::once::Once::call_once::{{closure}}::h74f1b86655aceda7
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/sync/once.rs:225
[INFO] [stderr]   12:     0x5575a5a04b86 - std::sync::once::Once::call_inner::h7242226892b2073d
[INFO] [stderr]                                at src/libstd/sync/once.rs:392
[INFO] [stderr]   13:     0x5575a57f9fad - std::sync::once::Once::call_once::hbd61a371104ecbbf
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/sync/once.rs:225
[INFO] [stderr]   14:     0x5575a57f758f - lazy_static::lazy::Lazy<T>::get::h307260027811195f
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:23
[INFO] [stderr]   15:     0x5575a57f758f - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::h8ff82b92d5dfdb99
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.7/<::lazy_static::__lazy_static_internal macros>:13
[INFO] [stderr]   16:     0x5575a57f758f - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h1638eda9c0160c0d
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.7/<::lazy_static::__lazy_static_internal macros>:14
[INFO] [stderr]   17:     0x5575a57f521a - build_script_build::llvm_config::hbf185485c8a09345
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.7/build.rs:164
[INFO] [stderr]   18:     0x5575a57f69a3 - build_script_build::main::hec12c298064eb3f5
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.7/build.rs:289
[INFO] [stderr]   19:     0x5575a57fad90 - std::rt::lang_start::{{closure}}::h61495bfc1d2fb6e6
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/rt.rs:64
[INFO] [stderr]   20:     0x5575a5a07983 - std::rt::lang_start_internal::{{closure}}::h97d240c87982728f
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   21:     0x5575a5a07983 - std::panicking::try::do_call::h657ecdd23710c935
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   22:     0x5575a5a1059a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   23:     0x5575a5a0848d - std::panicking::try::h52772d620cb80373
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   24:     0x5575a5a0848d - std::panic::catch_unwind::hac02eb84ea8f3a3e
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   25:     0x5575a5a0848d - std::rt::lang_start_internal::h9fab34d7c96dfdc9
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   26:     0x5575a57fad69 - std::rt::lang_start::h9919afbdc7fa9e11
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/rt.rs:64
[INFO] [stderr]   27:     0x5575a57f75da - main
[INFO] [stderr]   28:     0x7fc4c4cc22e1 - __libc_start_main
[INFO] [stderr]   29:     0x5575a57f3faa - _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" "c2b14ab3bcbf19871d82c55d2740d0383be3848da769ab19821f95276636f930"`
[INFO] running `"docker" "rm" "-f" "c2b14ab3bcbf19871d82c55d2740d0383be3848da769ab19821f95276636f930"`
[INFO] [stdout] c2b14ab3bcbf19871d82c55d2740d0383be3848da769ab19821f95276636f930