Sep 04 21:47:44.047 INFO checking cervus-0.3.6 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 21:47:44.047 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 21:47:44.047 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 21:47:44.254 INFO blam! e7f21d77d764f4248cf899ee9c0d32d1a6c5221345a47fe777936d702ab5cd3f
Sep 04 21:47:44.256 INFO running `"docker" "start" "-a" "e7f21d77d764f4248cf899ee9c0d32d1a6c5221345a47fe777936d702ab5cd3f"`
Sep 04 21:47:45.001 INFO kablam!    Compiling semver v0.4.1
Sep 04 21:47:46.987 INFO kablam!    Compiling llvm-sys v38.2.0
Sep 04 21:47:49.653 INFO kablam! error: failed to run custom build command for `llvm-sys v38.2.0`
Sep 04 21:47:49.653 INFO kablam! process didn't exit successfully: `/target/debug/build/llvm-sys-6e5462218a61b5f7/build-script-build` (exit code: 101)
Sep 04 21:47:49.653 INFO kablam! --- stdout
Sep 04 21:47:49.653 INFO kablam! Didn't find usable system-wide LLVM.
Sep 04 21:47:49.653 INFO kablam! LLVM_SYS_38_PREFIX not set, not using precompiled binaries
Sep 04 21:47:49.653 INFO kablam! LLVM_SYS_38_AUTOBUILD not set, will not automatically compile LLVM
Sep 04 21:47:49.653 INFO kablam! 
Sep 04 21:47:49.653 INFO kablam! --- stderr
Sep 04 21:47:49.653 INFO kablam! thread 'main' panicked at 'Could not find a compatible version of LLVM', /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/build.rs:77:9
Sep 04 21:47:49.653 INFO kablam! stack backtrace:
Sep 04 21:47:49.654 INFO kablam!    0:     0x55f2981d11ae - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h583ed2894c1db4e8
Sep 04 21:47:49.654 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Sep 04 21:47:49.654 INFO kablam!    1:     0x55f2981c1016 - std::sys_common::backtrace::print::hb03c547ea490e9e5
Sep 04 21:47:49.654 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Sep 04 21:47:49.654 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Sep 04 21:47:49.654 INFO kablam!    2:     0x55f2981bf3fd - std::panicking::default_hook::{{closure}}::h74db1dbb754bb61b
Sep 04 21:47:49.654 INFO kablam!                                at libstd/panicking.rs:211
Sep 04 21:47:49.654 INFO kablam!    3:     0x55f2981bf170 - std::panicking::default_hook::h00b2b50b7c826057
Sep 04 21:47:49.654 INFO kablam!                                at libstd/panicking.rs:227
Sep 04 21:47:49.654 INFO kablam!    4:     0x55f2981bfa6c - std::panicking::rust_panic_with_hook::h82a465b5cd0f7696
Sep 04 21:47:49.654 INFO kablam!                                at libstd/panicking.rs:477
Sep 04 21:47:49.654 INFO kablam!    5:     0x55f2981b018f - std::panicking::begin_panic::hada21ab56ee82787
Sep 04 21:47:49.654 INFO kablam!                                at /checkout/src/libstd/panicking.rs:411
Sep 04 21:47:49.654 INFO kablam!    6:     0x55f29800e088 - core::ops::function::FnOnce::call_once::he7694c7ca4572aee
Sep 04 21:47:49.654 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/build.rs:77
Sep 04 21:47:49.654 INFO kablam!                                at /checkout/src/libcore/ops/function.rs:238
Sep 04 21:47:49.654 INFO kablam!    7:     0x55f298016762 - <lazy_static::lazy::Lazy<T>>::get::{{closure}}::h31ea9f9372aaf756
Sep 04 21:47:49.654 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:24
Sep 04 21:47:49.654 INFO kablam!    8:     0x55f2980166aa - std::sync::once::Once::call_once::{{closure}}::hd80f8f6dd8d15c17
Sep 04 21:47:49.654 INFO kablam!                                at /checkout/src/libstd/sync/once.rs:234
Sep 04 21:47:49.654 INFO kablam!    9:     0x55f2981d3500 - std::sync::once::Once::call_inner::h34e6d644307b3ffe
Sep 04 21:47:49.654 INFO kablam!                                at libstd/sync/once.rs:351
Sep 04 21:47:49.654 INFO kablam!   10:     0x55f29801653a - std::sync::once::Once::call_once::h51827c189bcf56da
Sep 04 21:47:49.654 INFO kablam!                                at /checkout/src/libstd/sync/once.rs:234
Sep 04 21:47:49.654 INFO kablam!   11:     0x55f29800963e - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h8630bd591752ac9e
Sep 04 21:47:49.654 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:23
Sep 04 21:47:49.654 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/<__lazy_static_internal macros>:13
Sep 04 21:47:49.654 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/<__lazy_static_internal macros>:14
Sep 04 21:47:49.654 INFO kablam!   12:     0x55f298007999 - build_script_build::llvm_config::hc01980f4ccc67871
Sep 04 21:47:49.655 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/build.rs:163
Sep 04 21:47:49.655 INFO kablam!   13:     0x55f298008874 - build_script_build::main::h64bcffc91f3db462
Sep 04 21:47:49.655 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/build.rs:224
Sep 04 21:47:49.655 INFO kablam!   14:     0x55f29801641f - std::rt::lang_start::{{closure}}::h084441f47e21dd92
Sep 04 21:47:49.655 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Sep 04 21:47:49.655 INFO kablam!   15:     0x55f2981bf502 - std::panicking::try::do_call::hd86a9acb4a664678
Sep 04 21:47:49.655 INFO kablam!                                at libstd/rt.rs:59
Sep 04 21:47:49.655 INFO kablam!                                at libstd/panicking.rs:310
Sep 04 21:47:49.655 INFO kablam!   16:     0x55f2981e3059 - __rust_maybe_catch_panic
Sep 04 21:47:49.655 INFO kablam!                                at libpanic_unwind/lib.rs:103
Sep 04 21:47:49.655 INFO kablam!   17:     0x55f2981cc905 - std::rt::lang_start_internal::h8264bc6ad8e6b565
Sep 04 21:47:49.655 INFO kablam!                                at libstd/panicking.rs:289
Sep 04 21:47:49.655 INFO kablam!                                at libstd/panic.rs:392
Sep 04 21:47:49.655 INFO kablam!                                at libstd/rt.rs:58
Sep 04 21:47:49.655 INFO kablam!   18:     0x55f2980163f7 - std::rt::lang_start::h69c1d0b5de3230a3
Sep 04 21:47:49.655 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Sep 04 21:47:49.655 INFO kablam!   19:     0x55f298009689 - main
Sep 04 21:47:49.655 INFO kablam!   20:     0x7fc261cab82f - __libc_start_main
Sep 04 21:47:49.655 INFO kablam!   21:     0x55f2980065f8 - _start
Sep 04 21:47:49.655 INFO kablam!   22:                0x0 - <unknown>
Sep 04 21:47:49.655 INFO kablam! 
Sep 04 21:47:49.658 INFO kablam! su: No module specific data is present
Sep 04 21:47:50.142 INFO running `"docker" "rm" "-f" "e7f21d77d764f4248cf899ee9c0d32d1a6c5221345a47fe777936d702ab5cd3f"`
Sep 04 21:47:50.320 INFO blam! e7f21d77d764f4248cf899ee9c0d32d1a6c5221345a47fe777936d702ab5cd3f