Sep 02 08:29:50.036 INFO checking llvm-wrap-0.2.5 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 02 08:29:50.036 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 02 08:29:50.036 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-2/try#952c7dbfa2628309f557b367929ffc17af20b332:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 08:29:50.258 INFO blam! 35fb3f8b1b541e4d07668b6d735e8ace894660acc377b4b26f731264e3e213bf
Sep 02 08:29:50.260 INFO running `"docker" "start" "-a" "35fb3f8b1b541e4d07668b6d735e8ace894660acc377b4b26f731264e3e213bf"`
Sep 02 08:29:51.074 INFO kablam!    Compiling llvm-sys v50.2.0
Sep 02 08:29:53.771 INFO kablam! error: failed to run custom build command for `llvm-sys v50.2.0`
Sep 02 08:29:53.771 INFO kablam! process didn't exit successfully: `/target/debug/build/llvm-sys-171251ca1b7abda5/build-script-build` (exit code: 101)
Sep 02 08:29:53.771 INFO kablam! --- stdout
Sep 02 08:29:53.771 INFO kablam! Didn't find usable system-wide LLVM.
Sep 02 08:29:53.771 INFO kablam! LLVM_SYS_50_PREFIX not set, not using precompiled binaries
Sep 02 08:29:53.772 INFO kablam! LLVM_SYS_50_AUTOBUILD not set, will not automatically compile LLVM
Sep 02 08:29:53.772 INFO kablam! 
Sep 02 08:29:53.772 INFO kablam! --- stderr
Sep 02 08:29:53.772 INFO kablam! thread 'main' panicked at 'Could not find a compatible version of LLVM', /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.2.0/build.rs:77:9
Sep 02 08:29:53.772 INFO kablam! stack backtrace:
Sep 02 08:29:53.772 INFO kablam!    0:     0x55d9b0cd0eae - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h8608d381b52a1cc7
Sep 02 08:29:53.772 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Sep 02 08:29:53.772 INFO kablam!    1:     0x55d9b0cc0d46 - std::sys_common::backtrace::print::hf96fbb6301ca8111
Sep 02 08:29:53.772 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Sep 02 08:29:53.772 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Sep 02 08:29:53.772 INFO kablam!    2:     0x55d9b0cbf0fd - std::panicking::default_hook::{{closure}}::h2e8fa0d6ce9ebecc
Sep 02 08:29:53.772 INFO kablam!                                at libstd/panicking.rs:211
Sep 02 08:29:53.772 INFO kablam!    3:     0x55d9b0cbee70 - std::panicking::default_hook::h3e385661c8d6b6f8
Sep 02 08:29:53.772 INFO kablam!                                at libstd/panicking.rs:227
Sep 02 08:29:53.772 INFO kablam!    4:     0x55d9b0cbf76c - std::panicking::rust_panic_with_hook::h82448672ce6401e7
Sep 02 08:29:53.772 INFO kablam!                                at libstd/panicking.rs:477
Sep 02 08:29:53.772 INFO kablam!    5:     0x55d9b0cafd7f - std::panicking::begin_panic::h9b5f71d60e7eb862
Sep 02 08:29:53.772 INFO kablam!                                at /checkout/src/libstd/panicking.rs:411
Sep 02 08:29:53.772 INFO kablam!    6:     0x55d9b0ac5c51 - core::ops::function::FnOnce::call_once::h60efc0208a5f8fa8
Sep 02 08:29:53.772 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.2.0/build.rs:77
Sep 02 08:29:53.773 INFO kablam!                                at /checkout/src/libcore/ops/function.rs:238
Sep 02 08:29:53.773 INFO kablam!    7:     0x55d9b0ad2702 - <lazy_static::lazy::Lazy<T>>::get::{{closure}}::h21842e099a21f7e3
Sep 02 08:29:53.773 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:24
Sep 02 08:29:53.773 INFO kablam!    8:     0x55d9b0ad26ea - std::sync::once::Once::call_once::{{closure}}::hebdf31e21e4b4063
Sep 02 08:29:53.773 INFO kablam!                                at /checkout/src/libstd/sync/once.rs:234
Sep 02 08:29:53.773 INFO kablam!    9:     0x55d9b0cd3200 - std::sync::once::Once::call_inner::hb4f267357910e42f
Sep 02 08:29:53.773 INFO kablam!                                at libstd/sync/once.rs:351
Sep 02 08:29:53.773 INFO kablam!   10:     0x55d9b0ad257a - std::sync::once::Once::call_once::h380f13713368a502
Sep 02 08:29:53.773 INFO kablam!                                at /checkout/src/libstd/sync/once.rs:234
Sep 02 08:29:53.773 INFO kablam!   11:     0x55d9b0ac137e - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h27f3c72de260c9f0
Sep 02 08:29:53.773 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:23
Sep 02 08:29:53.773 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.2.0/<__lazy_static_internal macros>:13
Sep 02 08:29:53.773 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.2.0/<__lazy_static_internal macros>:14
Sep 02 08:29:53.773 INFO kablam!   12:     0x55d9b0abeeb9 - build_script_build::llvm_config::h0bd3dd591500e988
Sep 02 08:29:53.773 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.2.0/build.rs:164
Sep 02 08:29:53.773 INFO kablam!   13:     0x55d9b0ac06e4 - build_script_build::main::ha28f045b63219751
Sep 02 08:29:53.773 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.2.0/build.rs:300
Sep 02 08:29:53.773 INFO kablam!   14:     0x55d9b0ac4c8f - std::rt::lang_start::{{closure}}::hd857b8308de64fb4
Sep 02 08:29:53.773 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Sep 02 08:29:53.773 INFO kablam!   15:     0x55d9b0cbf202 - std::panicking::try::do_call::he8eb7284c711bc58
Sep 02 08:29:53.774 INFO kablam!                                at libstd/rt.rs:59
Sep 02 08:29:53.774 INFO kablam!                                at libstd/panicking.rs:310
Sep 02 08:29:53.774 INFO kablam!   16:     0x55d9b0ce2a89 - __rust_maybe_catch_panic
Sep 02 08:29:53.774 INFO kablam!                                at libpanic_unwind/lib.rs:103
Sep 02 08:29:53.774 INFO kablam!   17:     0x55d9b0ccc5e5 - std::rt::lang_start_internal::h25421c11e0cff495
Sep 02 08:29:53.774 INFO kablam!                                at libstd/panicking.rs:289
Sep 02 08:29:53.774 INFO kablam!                                at libstd/panic.rs:392
Sep 02 08:29:53.774 INFO kablam!                                at libstd/rt.rs:58
Sep 02 08:29:53.774 INFO kablam!   18:     0x55d9b0ac4c67 - std::rt::lang_start::hbdd5a833d7aac7e5
Sep 02 08:29:53.774 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Sep 02 08:29:53.774 INFO kablam!   19:     0x55d9b0ac13c9 - main
Sep 02 08:29:53.774 INFO kablam!   20:     0x7f755818082f - __libc_start_main
Sep 02 08:29:53.774 INFO kablam!   21:     0x55d9b0abda78 - _start
Sep 02 08:29:53.774 INFO kablam!   22:                0x0 - <unknown>
Sep 02 08:29:53.774 INFO kablam! 
Sep 02 08:29:53.774 INFO kablam! su: No module specific data is present
Sep 02 08:29:54.166 INFO running `"docker" "rm" "-f" "35fb3f8b1b541e4d07668b6d735e8ace894660acc377b4b26f731264e3e213bf"`
Sep 02 08:29:54.284 INFO blam! 35fb3f8b1b541e4d07668b6d735e8ace894660acc377b4b26f731264e3e213bf