[INFO] updating cached repository https://github.com/ExPixel/bf
[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] 2599d0470700c337be623c40a5f0b4fac32c1e85
[INFO] checking ExPixel/bf against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FExPixel%2Fbf" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ExPixel/bf on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ExPixel/bf
[INFO] finished tweaking git repo https://github.com/ExPixel/bf
[INFO] tweaked toml for git repo https://github.com/ExPixel/bf written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ExPixel/bf already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 77e4fcee6c4f22b04ecbfe46fb7c1181cf36affe7cb6cb97fa5bedcf6caaee4f
[INFO] running `"docker" "start" "-a" "77e4fcee6c4f22b04ecbfe46fb7c1181cf36affe7cb6cb97fa5bedcf6caaee4f"`
[INFO] [stderr]    Compiling gcc v0.3.49
[INFO] [stderr]    Compiling thread-id v3.1.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling llvm-sys v40.0.2
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v40.0.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/llvm-sys-d663d5e6e6cec170/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Found LLVM version 3.8.1 on PATH, but need 4.0.2.
[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-40.0.2/build.rs:77:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x562767690e04 - backtrace::backtrace::libunwind::trace::h07e9553c1ad1ecad
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x562767690e04 - backtrace::backtrace::trace_unsynchronized::h9e0e5a535fa6ae0f
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x562767690e04 - std::sys_common::backtrace::_print_fmt::h4b577ea24f321ffb
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x562767690e04 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha28161264835f4f4
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]    4:     0x5627676b150c - core::fmt::write::h4b048b90b965d771
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1030
[INFO] [stderr]    5:     0x56276768cfb7 - std::io::Write::write_fmt::h3a6d100d8a1e388f
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x5627676933f5 - std::sys_common::backtrace::_print::ha2961e5db1a6da43
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:65
[INFO] [stderr]    7:     0x5627676933f5 - std::sys_common::backtrace::print::h3a868732f7f89b17
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:50
[INFO] [stderr]    8:     0x5627676933f5 - std::panicking::default_hook::{{closure}}::hb25db4ba1ba588ba
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    9:     0x5627676930e6 - std::panicking::default_hook::hf1df3f45e1769771
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]   10:     0x562767693af5 - std::panicking::rust_panic_with_hook::ha0342d3096b3c9ed
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]   11:     0x5627675e24d5 - std::panicking::begin_panic::hbe8bb789e721ce5e
[INFO] [stderr]                                at /rustc/c9edc02e8320a9e5799d185910ece7d491f524e6/src/libstd/panicking.rs:411
[INFO] [stderr]   12:     0x5627674ff930 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h94c42beea33f77b8
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.2/build.rs:77
[INFO] [stderr]   13:     0x5627674ff930 - core::ops::function::FnOnce::call_once::h78ad061f81cff942
[INFO] [stderr]                                at /rustc/c9edc02e8320a9e5799d185910ece7d491f524e6/src/libcore/ops/function.rs:227
[INFO] [stderr]   14:     0x5627674f8283 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h38d780fb8db3c014
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.8/src/lazy.rs:23
[INFO] [stderr]   15:     0x5627674f7feb - std::sync::once::Once::call_once::{{closure}}::hec8a155633dff4ec
[INFO] [stderr]                                at /rustc/c9edc02e8320a9e5799d185910ece7d491f524e6/src/libstd/sync/once.rs:225
[INFO] [stderr]   16:     0x562767690928 - std::sync::once::Once::call_inner::he0ca76dc8180755d
[INFO] [stderr]                                at src/libstd/sync/once.rs:392
[INFO] [stderr]   17:     0x5627674f7f33 - std::sync::once::Once::call_once::h4736a84e7a0426e0
[INFO] [stderr]                                at /rustc/c9edc02e8320a9e5799d185910ece7d491f524e6/src/libstd/sync/once.rs:225
[INFO] [stderr]   18:     0x5627674f72e1 - lazy_static::lazy::Lazy<T>::get::hba46901fd6fabbca
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.8/src/lazy.rs:22
[INFO] [stderr]   19:     0x5627674f72e1 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::hccd349a57c29c0d2
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.2/<::lazy_static::__lazy_static_internal macros>:27
[INFO] [stderr]   20:     0x5627674f72e1 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h31745fddd3bbc5fc
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.2/<::lazy_static::__lazy_static_internal macros>:29
[INFO] [stderr]   21:     0x5627674f539a - build_script_build::llvm_config::hf6a2d910417bc14a
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.2/build.rs:164
[INFO] [stderr]   22:     0x5627674f66b3 - build_script_build::main::ha02a07548163f12b
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.2/build.rs:266
[INFO] [stderr]   23:     0x5627674f9de0 - std::rt::lang_start::{{closure}}::h02e3d50158552bf9
[INFO] [stderr]                                at /rustc/c9edc02e8320a9e5799d185910ece7d491f524e6/src/libstd/rt.rs:64
[INFO] [stderr]   24:     0x562767693523 - std::rt::lang_start_internal::{{closure}}::he2a0afb5b578106e
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   25:     0x562767693523 - std::panicking::try::do_call::h30da202735d45c24
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   26:     0x56276769b6ca - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   27:     0x562767693fed - std::panicking::try::h974d473864a5ddd4
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   28:     0x562767693fed - std::panic::catch_unwind::h3bd08da23b55a60b
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   29:     0x562767693fed - std::rt::lang_start_internal::hf97f79993a3eaf6a
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   30:     0x5627674f9db9 - std::rt::lang_start::h36eefba86b2fc581
[INFO] [stderr]                                at /rustc/c9edc02e8320a9e5799d185910ece7d491f524e6/src/libstd/rt.rs:64
[INFO] [stderr]   31:     0x5627674f732a - main
[INFO] [stderr]   32:     0x7f623d66b2e1 - __libc_start_main
[INFO] [stderr]   33:     0x5627674f410a - _start
[INFO] [stderr]   34:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "77e4fcee6c4f22b04ecbfe46fb7c1181cf36affe7cb6cb97fa5bedcf6caaee4f"`
[INFO] running `"docker" "rm" "-f" "77e4fcee6c4f22b04ecbfe46fb7c1181cf36affe7cb6cb97fa5bedcf6caaee4f"`
[INFO] [stdout] 77e4fcee6c4f22b04ecbfe46fb7c1181cf36affe7cb6cb97fa5bedcf6caaee4f