Sep 02 18:27:45.242 INFO checking cervus-0.3.6 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 18:27:45.242 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 18:27:45.242 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 18:27:45.397 INFO blam! cd8ed66353b7acc047dabe200a596ad29846c87a6ca60bdf04a379fbbc12b746
Sep 02 18:27:45.399 INFO running `"docker" "start" "-a" "cd8ed66353b7acc047dabe200a596ad29846c87a6ca60bdf04a379fbbc12b746"`
Sep 02 18:27:46.073 INFO kablam!    Compiling semver-parser v0.6.2
Sep 02 18:27:48.566 INFO kablam!    Compiling semver v0.4.1
Sep 02 18:27:51.577 INFO kablam!    Compiling llvm-sys v38.2.0
Sep 02 18:27:55.314 INFO kablam! error: failed to run custom build command for `llvm-sys v38.2.0`
Sep 02 18:27:55.314 INFO kablam! process didn't exit successfully: `/target/debug/build/llvm-sys-07c459d0ea9e9c18/build-script-build` (exit code: 101)
Sep 02 18:27:55.314 INFO kablam! --- stdout
Sep 02 18:27:55.314 INFO kablam! Didn't find usable system-wide LLVM.
Sep 02 18:27:55.314 INFO kablam! LLVM_SYS_38_PREFIX not set, not using precompiled binaries
Sep 02 18:27:55.314 INFO kablam! LLVM_SYS_38_AUTOBUILD not set, will not automatically compile LLVM
Sep 02 18:27:55.314 INFO kablam! 
Sep 02 18:27:55.314 INFO kablam! --- stderr
Sep 02 18:27:55.314 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 02 18:27:55.314 INFO kablam! stack backtrace:
Sep 02 18:27:55.315 INFO kablam!    0:     0x562a205f1f3e - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::ha200f2cd684ebd49
Sep 02 18:27:55.315 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Sep 02 18:27:55.315 INFO kablam!    1:     0x562a205e1e16 - std::sys_common::backtrace::print::hfe3d4e47b4c8e48c
Sep 02 18:27:55.315 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Sep 02 18:27:55.315 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Sep 02 18:27:55.315 INFO kablam!    2:     0x562a205e01cd - std::panicking::default_hook::{{closure}}::hf56af31102a42941
Sep 02 18:27:55.315 INFO kablam!                                at libstd/panicking.rs:211
Sep 02 18:27:55.315 INFO kablam!    3:     0x562a205dff40 - std::panicking::default_hook::ha51b5d4eb7ec526d
Sep 02 18:27:55.315 INFO kablam!                                at libstd/panicking.rs:227
Sep 02 18:27:55.315 INFO kablam!    4:     0x562a205e083c - std::panicking::rust_panic_with_hook::hd585483f9daec810
Sep 02 18:27:55.315 INFO kablam!                                at libstd/panicking.rs:477
Sep 02 18:27:55.315 INFO kablam!    5:     0x562a20541d9f - std::panicking::begin_panic::h42e9c17c10e70170
Sep 02 18:27:55.315 INFO kablam!                                at /checkout/src/libstd/panicking.rs:411
Sep 02 18:27:55.315 INFO kablam!    6:     0x562a2042ee21 - core::ops::function::FnOnce::call_once::h88b62c5caee7f0bf
Sep 02 18:27:55.315 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/build.rs:77
Sep 02 18:27:55.315 INFO kablam!                                at /checkout/src/libcore/ops/function.rs:238
Sep 02 18:27:55.315 INFO kablam!    7:     0x562a20437772 - <lazy_static::lazy::Lazy<T>>::get::{{closure}}::h5b0c0a5aa6294d7a
Sep 02 18:27:55.315 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:24
Sep 02 18:27:55.315 INFO kablam!    8:     0x562a2043763a - std::sync::once::Once::call_once::{{closure}}::hf9231dafeb983732
Sep 02 18:27:55.315 INFO kablam!                                at /checkout/src/libstd/sync/once.rs:234
Sep 02 18:27:55.315 INFO kablam!    9:     0x562a205f4280 - std::sync::once::Once::call_inner::h251c9502dffb0ed4
Sep 02 18:27:55.315 INFO kablam!                                at libstd/sync/once.rs:351
Sep 02 18:27:55.315 INFO kablam!   10:     0x562a2043758a - std::sync::once::Once::call_once::h6475772934c66293
Sep 02 18:27:55.315 INFO kablam!                                at /checkout/src/libstd/sync/once.rs:234
Sep 02 18:27:55.315 INFO kablam!   11:     0x562a2042a59e - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::hd8e16ca3f5f87bc3
Sep 02 18:27:55.316 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:23
Sep 02 18:27:55.316 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/<__lazy_static_internal macros>:13
Sep 02 18:27:55.316 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/<__lazy_static_internal macros>:14
Sep 02 18:27:55.316 INFO kablam!   12:     0x562a204288d9 - build_script_build::llvm_config::h3a10a46d24778c24
Sep 02 18:27:55.316 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/build.rs:163
Sep 02 18:27:55.316 INFO kablam!   13:     0x562a204297b4 - build_script_build::main::hca2f66b0672e6a8e
Sep 02 18:27:55.316 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/build.rs:224
Sep 02 18:27:55.316 INFO kablam!   14:     0x562a2043739f - std::rt::lang_start::{{closure}}::h6a6bb1d71a61b4b6
Sep 02 18:27:55.316 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Sep 02 18:27:55.316 INFO kablam!   15:     0x562a205e02d2 - std::panicking::try::do_call::hea63f5620482e896
Sep 02 18:27:55.316 INFO kablam!                                at libstd/rt.rs:59
Sep 02 18:27:55.316 INFO kablam!                                at libstd/panicking.rs:310
Sep 02 18:27:55.316 INFO kablam!   16:     0x562a20603b09 - __rust_maybe_catch_panic
Sep 02 18:27:55.316 INFO kablam!                                at libpanic_unwind/lib.rs:103
Sep 02 18:27:55.316 INFO kablam!   17:     0x562a205ed6b5 - std::rt::lang_start_internal::hfd6e69240f0360f8
Sep 02 18:27:55.316 INFO kablam!                                at libstd/panicking.rs:289
Sep 02 18:27:55.316 INFO kablam!                                at libstd/panic.rs:392
Sep 02 18:27:55.316 INFO kablam!                                at libstd/rt.rs:58
Sep 02 18:27:55.316 INFO kablam!   18:     0x562a20437377 - std::rt::lang_start::hd36766c9c155d30b
Sep 02 18:27:55.316 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Sep 02 18:27:55.316 INFO kablam!   19:     0x562a2042a5e9 - main
Sep 02 18:27:55.316 INFO kablam!   20:     0x7f9b0226882f - __libc_start_main
Sep 02 18:27:55.316 INFO kablam!   21:     0x562a20427538 - _start
Sep 02 18:27:55.316 INFO kablam!   22:                0x0 - <unknown>
Sep 02 18:27:55.316 INFO kablam! 
Sep 02 18:27:55.317 INFO kablam! su: No module specific data is present
Sep 02 18:27:55.811 INFO running `"docker" "rm" "-f" "cd8ed66353b7acc047dabe200a596ad29846c87a6ca60bdf04a379fbbc12b746"`
Sep 02 18:27:55.968 INFO blam! cd8ed66353b7acc047dabe200a596ad29846c87a6ca60bdf04a379fbbc12b746