[INFO] updating cached repository https://github.com/tari/merthc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7535a21a1aa1761c0cc559a4b91cbc8598776d0e
[INFO] checking tari/merthc against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftari%2Fmerthc" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tari/merthc on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tari/merthc
[INFO] finished tweaking git repo https://github.com/tari/merthc
[INFO] tweaked toml for git repo https://github.com/tari/merthc written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/tari/merthc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f154630168c0888f5b626660562e7c2f6722c302a9c1005b6c16cca7177e313e
[INFO] running `"docker" "start" "-a" "f154630168c0888f5b626660562e7c2f6722c302a9c1005b6c16cca7177e313e"`
[INFO] [stderr]    Compiling libc v0.2.22
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking tempfile v2.1.5
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling merthc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking env_logger v0.4.2
[INFO] [stderr]     Checking docopt v0.7.0
[INFO] [stderr]    Compiling llvm-sys v40.0.1
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v40.0.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/llvm-sys-0ac9a52335927cad/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Found LLVM version 3.8.1 on PATH, but need 4.0.1.
[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/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.1/build.rs:77:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5575995284b4 - backtrace::backtrace::libunwind::trace::h780d9312b947e32f
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5575995284b4 - backtrace::backtrace::trace_unsynchronized::h50fdb9faa9a37c56
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5575995284b4 - std::sys_common::backtrace::_print_fmt::h5fd3d374bdc4a419
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x5575995284b4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hea77cdef8cfcc21d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]    4:     0x557599548c0c - core::fmt::write::h4af900d733d7a583
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1030
[INFO] [stderr]    5:     0x557599524667 - std::io::Write::write_fmt::h7ad411185b661d1b
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x55759952aaa5 - std::sys_common::backtrace::_print::h7743f537860b7fc2
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:65
[INFO] [stderr]    7:     0x55759952aaa5 - std::sys_common::backtrace::print::h539b95bb1c3082e1
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:50
[INFO] [stderr]    8:     0x55759952aaa5 - std::panicking::default_hook::{{closure}}::hc6479c8b41ede440
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    9:     0x55759952a796 - std::panicking::default_hook::hd581ebc9f02a25e1
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]   10:     0x55759952b1a5 - std::panicking::rust_panic_with_hook::h3ef8c012e2c61ebc
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]   11:     0x55759950c305 - std::panicking::begin_panic::h6bd28ec46c594b9c
[INFO] [stderr]                                at /rustc/e689e5eaefe96e6dc3ed5bb629c521b7d207aff7/src/libstd/panicking.rs:411
[INFO] [stderr]   12:     0x55759939f4e0 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::hcc1bd0a40b958fff
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.1/build.rs:77
[INFO] [stderr]   13:     0x55759939f4e0 - core::ops::function::FnOnce::call_once::h8a305e707abf44e2
[INFO] [stderr]                                at /rustc/e689e5eaefe96e6dc3ed5bb629c521b7d207aff7/src/libcore/ops/function.rs:227
[INFO] [stderr]   14:     0x557599397ea3 - lazy_static::lazy::Lazy<T>::get::{{closure}}::hf859194a54be76a4
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.8/src/lazy.rs:23
[INFO] [stderr]   15:     0x557599397b5b - std::sync::once::Once::call_once::{{closure}}::h0f0360814fe262c2
[INFO] [stderr]                                at /rustc/e689e5eaefe96e6dc3ed5bb629c521b7d207aff7/src/libstd/sync/once.rs:225
[INFO] [stderr]   16:     0x557599527fd8 - std::sync::once::Once::call_inner::he5a5b6620725f15b
[INFO] [stderr]                                at src/libstd/sync/once.rs:392
[INFO] [stderr]   17:     0x557599397a33 - std::sync::once::Once::call_once::hb5bf13c50d90ece6
[INFO] [stderr]                                at /rustc/e689e5eaefe96e6dc3ed5bb629c521b7d207aff7/src/libstd/sync/once.rs:225
[INFO] [stderr]   18:     0x557599396e91 - lazy_static::lazy::Lazy<T>::get::h824dbb294b949a3e
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.8/src/lazy.rs:22
[INFO] [stderr]   19:     0x557599396e91 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::h6eccd928d3231e46
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.1/<::lazy_static::__lazy_static_internal macros>:27
[INFO] [stderr]   20:     0x557599396e91 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h45ea6c276976983b
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.1/<::lazy_static::__lazy_static_internal macros>:29
[INFO] [stderr]   21:     0x55759939511a - build_script_build::llvm_config::hcd64d48ad96ff3c9
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.1/build.rs:164
[INFO] [stderr]   22:     0x557599396433 - build_script_build::main::had0a4f945f135176
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.1/build.rs:266
[INFO] [stderr]   23:     0x557599399990 - std::rt::lang_start::{{closure}}::h366103407970a1de
[INFO] [stderr]                                at /rustc/e689e5eaefe96e6dc3ed5bb629c521b7d207aff7/src/libstd/rt.rs:64
[INFO] [stderr]   24:     0x55759952abd3 - std::rt::lang_start_internal::{{closure}}::h89bcd519c19d1c00
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   25:     0x55759952abd3 - std::panicking::try::do_call::h9c0ecf24353b2f6f
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   26:     0x557599532dca - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   27:     0x55759952b69d - std::panicking::try::h2cce617c236f51a9
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   28:     0x55759952b69d - std::panic::catch_unwind::heee61165154957e1
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   29:     0x55759952b69d - std::rt::lang_start_internal::h84ae79bb2f097b77
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   30:     0x557599399969 - std::rt::lang_start::h06e18b6919cc7ac6
[INFO] [stderr]                                at /rustc/e689e5eaefe96e6dc3ed5bb629c521b7d207aff7/src/libstd/rt.rs:64
[INFO] [stderr]   31:     0x557599396eda - main
[INFO] [stderr]   32:     0x7f6db09302e1 - __libc_start_main
[INFO] [stderr]   33:     0x557599393e8a - _start
[INFO] [stderr]   34:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "f154630168c0888f5b626660562e7c2f6722c302a9c1005b6c16cca7177e313e"`
[INFO] running `"docker" "rm" "-f" "f154630168c0888f5b626660562e7c2f6722c302a9c1005b6c16cca7177e313e"`
[INFO] [stdout] f154630168c0888f5b626660562e7c2f6722c302a9c1005b6c16cca7177e313e