Sep 21 12:20:39.891 INFO checking cervus-0.3.6 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 12:20:39.891 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 12:20:39.891 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-7/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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=1000" "-e" "CMD=cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 12:20:40.053 INFO blam! b8522671187b7a1f02f528caf11b61ab0bbe11ee43aca661f4fd557cbe5cedaf
Sep 21 12:20:40.054 INFO running `"docker" "start" "-a" "b8522671187b7a1f02f528caf11b61ab0bbe11ee43aca661f4fd557cbe5cedaf"`
Sep 21 12:20:41.192 INFO kablam! usermod: no changes
Sep 21 12:20:41.263 INFO kablam!    Compiling semver-parser v0.6.2
Sep 21 12:20:42.184 INFO kablam!    Compiling semver v0.4.1
Sep 21 12:20:42.967 INFO kablam!    Compiling llvm-sys v38.2.0
Sep 21 12:20:44.350 INFO kablam! error: failed to run custom build command for `llvm-sys v38.2.0`
Sep 21 12:20:44.350 INFO kablam! process didn't exit successfully: `/target/debug/build/llvm-sys-3298b378f928d781/build-script-build` (exit code: 101)
Sep 21 12:20:44.350 INFO kablam! --- stdout
Sep 21 12:20:44.350 INFO kablam! Didn't find usable system-wide LLVM.
Sep 21 12:20:44.350 INFO kablam! LLVM_SYS_38_PREFIX not set, not using precompiled binaries
Sep 21 12:20:44.350 INFO kablam! LLVM_SYS_38_AUTOBUILD not set, will not automatically compile LLVM
Sep 21 12:20:44.350 INFO kablam! 
Sep 21 12:20:44.350 INFO kablam! --- stderr
Sep 21 12:20:44.350 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 21 12:20:44.350 INFO kablam! stack backtrace:
Sep 21 12:20:44.350 INFO kablam!    0:     0x55e38df51f1e - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h8364381a6315579e
Sep 21 12:20:44.350 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Sep 21 12:20:44.350 INFO kablam!    1:     0x55e38df43fa6 - std::sys_common::backtrace::print::hbf206e386958691c
Sep 21 12:20:44.351 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Sep 21 12:20:44.351 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Sep 21 12:20:44.351 INFO kablam!    2:     0x55e38df4238d - std::panicking::default_hook::{{closure}}::hdfbe128a3d24757d
Sep 21 12:20:44.351 INFO kablam!                                at libstd/panicking.rs:211
Sep 21 12:20:44.351 INFO kablam!    3:     0x55e38df42100 - std::panicking::default_hook::h7fe1685957f6b205
Sep 21 12:20:44.351 INFO kablam!                                at libstd/panicking.rs:227
Sep 21 12:20:44.351 INFO kablam!    4:     0x55e38df429fc - std::panicking::rust_panic_with_hook::h67471ab114b25df3
Sep 21 12:20:44.351 INFO kablam!                                at libstd/panicking.rs:477
Sep 21 12:20:44.351 INFO kablam!    5:     0x55e38df32c1f - std::panicking::begin_panic::hbfbb669aa013ffd2
Sep 21 12:20:44.351 INFO kablam!                                at libstd/panicking.rs:411
Sep 21 12:20:44.351 INFO kablam!    6:     0x55e38dd90028 - core::ops::function::FnOnce::call_once::h5fb525e15c6c1949
Sep 21 12:20:44.351 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/build.rs:77
Sep 21 12:20:44.351 INFO kablam!                                at libcore/ops/function.rs:238
Sep 21 12:20:44.351 INFO kablam!    7:     0x55e38dd999e2 - <lazy_static::lazy::Lazy<T>>::get::{{closure}}::h96ef6635686f0821
Sep 21 12:20:44.351 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:24
Sep 21 12:20:44.351 INFO kablam!    8:     0x55e38dd9994a - std::sync::once::Once::call_once::{{closure}}::h5523e70d5138a10f
Sep 21 12:20:44.351 INFO kablam!                                at libstd/sync/once.rs:230
Sep 21 12:20:44.351 INFO kablam!    9:     0x55e38df41d00 - std::sync::once::Once::call_inner::h6c8029dcd6065b96
Sep 21 12:20:44.351 INFO kablam!                                at libstd/sync/once.rs:396
Sep 21 12:20:44.351 INFO kablam!   10:     0x55e38dd997ee - std::sync::once::Once::call_once::h99d8f4e3f69b1241
Sep 21 12:20:44.351 INFO kablam!                                at libstd/sync/once.rs:230
Sep 21 12:20:44.351 INFO kablam!   11:     0x55e38dd8b5de - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h648cfd712f358e08
Sep 21 12:20:44.351 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:23
Sep 21 12:20:44.351 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/<__lazy_static_internal macros>:13
Sep 21 12:20:44.351 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/<__lazy_static_internal macros>:14
Sep 21 12:20:44.351 INFO kablam!   12:     0x55e38dd89939 - build_script_build::llvm_config::h739c292c46dc12a0
Sep 21 12:20:44.351 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/build.rs:163
Sep 21 12:20:44.351 INFO kablam!   13:     0x55e38dd8a814 - build_script_build::main::h23f06ecedd17a419
Sep 21 12:20:44.351 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/build.rs:224
Sep 21 12:20:44.351 INFO kablam!   14:     0x55e38dd996df - std::rt::lang_start::{{closure}}::hcf4b79401002d862
Sep 21 12:20:44.351 INFO kablam!                                at libstd/rt.rs:74
Sep 21 12:20:44.351 INFO kablam!   15:     0x55e38df42492 - std::panicking::try::do_call::hba3cdd40b2f76c63
Sep 21 12:20:44.351 INFO kablam!                                at libstd/rt.rs:59
Sep 21 12:20:44.351 INFO kablam!                                at libstd/panicking.rs:310
Sep 21 12:20:44.351 INFO kablam!   16:     0x55e38df64579 - __rust_maybe_catch_panic
Sep 21 12:20:44.351 INFO kablam!                                at libpanic_unwind/lib.rs:102
Sep 21 12:20:44.351 INFO kablam!   17:     0x55e38df4e745 - std::rt::lang_start_internal::ha318b532168af217
Sep 21 12:20:44.351 INFO kablam!                                at libstd/panicking.rs:289
Sep 21 12:20:44.351 INFO kablam!                                at libstd/panic.rs:392
Sep 21 12:20:44.351 INFO kablam!                                at libstd/rt.rs:58
Sep 21 12:20:44.351 INFO kablam!   18:     0x55e38dd996b7 - std::rt::lang_start::h54c3ddc4f4140cd7
Sep 21 12:20:44.351 INFO kablam!                                at libstd/rt.rs:74
Sep 21 12:20:44.351 INFO kablam!   19:     0x55e38dd8b629 - main
Sep 21 12:20:44.351 INFO kablam!   20:     0x7f56dc5ae82f - __libc_start_main
Sep 21 12:20:44.351 INFO kablam!   21:     0x55e38dd88598 - _start
Sep 21 12:20:44.351 INFO kablam!   22:                0x0 - <unknown>
Sep 21 12:20:44.351 INFO kablam! 
Sep 21 12:20:44.352 INFO kablam! su: No module specific data is present
Sep 21 12:20:44.885 INFO running `"docker" "rm" "-f" "b8522671187b7a1f02f528caf11b61ab0bbe11ee43aca661f4fd557cbe5cedaf"`
Sep 21 12:20:44.955 INFO blam! b8522671187b7a1f02f528caf11b61ab0bbe11ee43aca661f4fd557cbe5cedaf