[INFO] updating cached repository P1start/753
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/P1start/753
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/P1start/753" "work/ex/beta-1.38-1/sources/1.37.0/gh/P1start/753"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/P1start/753'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/P1start/753" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/P1start/753"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/P1start/753'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a8665b11724bba0bed27fdabecefe850480d4f85
[INFO] sha for GitHub repo P1start/753: a8665b11724bba0bed27fdabecefe850480d4f85
[INFO] validating manifest of P1start/753 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of P1start/753 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing P1start/753
[INFO] finished frobbing P1start/753
[INFO] frobbed toml for P1start/753 written to work/ex/beta-1.38-1/sources/1.37.0/gh/P1start/753/Cargo.toml
[INFO] started frobbing P1start/753
[INFO] finished frobbing P1start/753
[INFO] frobbed toml for P1start/753 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/P1start/753/Cargo.toml
[INFO] crate P1start/753 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing P1start/753 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/P1start/753:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] cec1690412f6ae483605e90211f3acdc9139ef1ba6ace73c17078ae2de1cb251
[INFO] running `"docker" "start" "-a" "cec1690412f6ae483605e90211f3acdc9139ef1ba6ace73c17078ae2de1cb251"`
[INFO] [stderr]    Compiling rand v0.4.1
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling regex v0.2.3
[INFO] [stderr]    Compiling llvm-sys v40.0.5
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v40.0.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/llvm-sys-3be17fbc9b3c474d/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Found LLVM version 3.8.1 on PATH, but need 4.0.5.
[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-40.0.5/build.rs:77:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x563c2f13273b - backtrace::backtrace::libunwind::trace::hfe5db90796807973
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x563c2f13273b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x563c2f13273b - std::sys_common::backtrace::_print::h527254ae44989167
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x563c2f13273b - std::sys_common::backtrace::print::he85dd5ddddf46503
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x563c2f13273b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x563c2f132417 - std::panicking::default_hook::h2ca0f9a30a0e206b
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x563c2f132eb0 - std::panicking::rust_panic_with_hook::hffcefc09751839d1
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x563c2f067788 - std::panicking::begin_panic::hb51062f76f3c9d0d
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:411
[INFO] [stderr]    8:     0x563c2ef7d563 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h69d56e10d9258f3e
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.5/build.rs:77
[INFO] [stderr]    9:     0x563c2ef7d563 - core::ops::function::FnOnce::call_once::h8c04b5a44b4408cf
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/ops/function.rs:231
[INFO] [stderr]   10:     0x563c2ef887f3 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h05de8cdd96009ab5
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:24
[INFO] [stderr]   11:     0x563c2ef8027b - std::sync::once::Once::call_once::{{closure}}::hda2865dfac67a78b
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225
[INFO] [stderr]   12:     0x563c2f12f924 - std::sync::once::Once::call_inner::hde4abddfc46a9f17
[INFO] [stderr]                                at src/libstd/sync/once.rs:392
[INFO] [stderr]   13:     0x563c2ef80113 - std::sync::once::Once::call_once::h0e94b4bd1f17d19e
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/sync/once.rs:225
[INFO] [stderr]   14:     0x563c2ef7796f - lazy_static::lazy::Lazy<T>::get::h3a55d6c2dd0756c2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:23
[INFO] [stderr]   15:     0x563c2ef7796f - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::ha5ad86810703fbee
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.5/<::lazy_static::__lazy_static_internal macros>:13
[INFO] [stderr]   16:     0x563c2ef7796f - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h0fc7436534bf591d
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.5/<::lazy_static::__lazy_static_internal macros>:14
[INFO] [stderr]   17:     0x563c2ef755fa - build_script_build::llvm_config::h70b6e69e184a3c47
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.5/build.rs:164
[INFO] [stderr]   18:     0x563c2ef76d83 - build_script_build::main::hf729e23ec6b54a94
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.5/build.rs:289
[INFO] [stderr]   19:     0x563c2ef7b630 - std::rt::lang_start::{{closure}}::h4de59bdc54a78d82
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64
[INFO] [stderr]   20:     0x563c2f1328b3 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   21:     0x563c2f1328b3 - std::panicking::try::do_call::h4a61cb372364c745
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   22:     0x563c2f13ab6a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   23:     0x563c2f1333bd - std::panicking::try::hdf71f938885bca42
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   24:     0x563c2f1333bd - std::panic::catch_unwind::h7e85dbf162b1611a
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   25:     0x563c2f1333bd - std::rt::lang_start_internal::h1e06cc26b9fc25ea
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   26:     0x563c2ef7b609 - std::rt::lang_start::h924bb0625976667f
[INFO] [stderr]                                at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64
[INFO] [stderr]   27:     0x563c2ef779ba - main
[INFO] [stderr]   28:     0x7fd01a6f42e1 - __libc_start_main
[INFO] [stderr]   29:     0x563c2ef7438a - _start
[INFO] [stderr]   30:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "cec1690412f6ae483605e90211f3acdc9139ef1ba6ace73c17078ae2de1cb251"`
[INFO] running `"docker" "rm" "-f" "cec1690412f6ae483605e90211f3acdc9139ef1ba6ace73c17078ae2de1cb251"`
[INFO] [stdout] cec1690412f6ae483605e90211f3acdc9139ef1ba6ace73c17078ae2de1cb251