Sep 21 12:20:39.699 INFO checking cervus-0.3.6 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 12:20:39.699 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 12:20:39.699 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-0/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 12:20:39.868 INFO blam! 7e1dce76fd1c3107671985812f9dc6222c2b85b5bac73e998620c132815fdf8f
Sep 21 12:20:39.870 INFO running `"docker" "start" "-a" "7e1dce76fd1c3107671985812f9dc6222c2b85b5bac73e998620c132815fdf8f"`
Sep 21 12:20:40.879 INFO kablam! usermod: no changes
Sep 21 12:20:40.933 INFO kablam!    Compiling semver-parser v0.6.2
Sep 21 12:20:41.711 INFO kablam!    Compiling semver v0.4.1
Sep 21 12:20:42.585 INFO kablam!    Compiling llvm-sys v38.2.0
Sep 21 12:20:43.954 INFO kablam! error: failed to run custom build command for `llvm-sys v38.2.0`
Sep 21 12:20:43.954 INFO kablam! process didn't exit successfully: `/target/debug/build/llvm-sys-db17431d395a8a28/build-script-build` (exit code: 101)
Sep 21 12:20:43.954 INFO kablam! --- stdout
Sep 21 12:20:43.954 INFO kablam! Didn't find usable system-wide LLVM.
Sep 21 12:20:43.954 INFO kablam! LLVM_SYS_38_PREFIX not set, not using precompiled binaries
Sep 21 12:20:43.954 INFO kablam! LLVM_SYS_38_AUTOBUILD not set, will not automatically compile LLVM
Sep 21 12:20:43.954 INFO kablam! 
Sep 21 12:20:43.954 INFO kablam! --- stderr
Sep 21 12:20:43.954 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 12:20:43.954 INFO kablam! stack backtrace:
Sep 21 12:20:43.954 INFO kablam!    0:     0x557004a6079e - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6f03e345e7220f71
Sep 21 12:20:43.954 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Sep 21 12:20:43.954 INFO kablam!    1:     0x557004a528c6 - std::sys_common::backtrace::print::h41236bee57dc6f2f
Sep 21 12:20:43.955 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Sep 21 12:20:43.955 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Sep 21 12:20:43.955 INFO kablam!    2:     0x557004a50c5d - std::panicking::default_hook::{{closure}}::hdccdd5cf822554bd
Sep 21 12:20:43.955 INFO kablam!                                at libstd/panicking.rs:211
Sep 21 12:20:43.955 INFO kablam!    3:     0x557004a509d0 - std::panicking::default_hook::h51e0996e64af4435
Sep 21 12:20:43.955 INFO kablam!                                at libstd/panicking.rs:227
Sep 21 12:20:43.955 INFO kablam!    4:     0x557004a512cc - std::panicking::rust_panic_with_hook::hbba83c9bc00efd25
Sep 21 12:20:43.955 INFO kablam!                                at libstd/panicking.rs:477
Sep 21 12:20:43.955 INFO kablam!    5:     0x5570049b51cf - std::panicking::begin_panic::h6fc9d362ed6f3263
Sep 21 12:20:43.955 INFO kablam!                                at libstd/panicking.rs:411
Sep 21 12:20:43.955 INFO kablam!    6:     0x55700489eea8 - core::ops::function::FnOnce::call_once::h286652b9a618fd0e
Sep 21 12:20:43.955 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/build.rs:77
Sep 21 12:20:43.955 INFO kablam!                                at libcore/ops/function.rs:238
Sep 21 12:20:43.955 INFO kablam!    7:     0x5570048a8942 - <lazy_static::lazy::Lazy<T>>::get::{{closure}}::he1ed91db4cb51e1a
Sep 21 12:20:43.955 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:24
Sep 21 12:20:43.955 INFO kablam!    8:     0x5570048a88aa - std::sync::once::Once::call_once::{{closure}}::h31b0c571e5a6f8c0
Sep 21 12:20:43.955 INFO kablam!                                at libstd/sync/once.rs:230
Sep 21 12:20:43.955 INFO kablam!    9:     0x557004a505d0 - std::sync::once::Once::call_inner::hfb6946b98c08b37d
Sep 21 12:20:43.955 INFO kablam!                                at libstd/sync/once.rs:396
Sep 21 12:20:43.955 INFO kablam!   10:     0x5570048a874e - std::sync::once::Once::call_once::h1aa5f481991fac49
Sep 21 12:20:43.955 INFO kablam!                                at libstd/sync/once.rs:230
Sep 21 12:20:43.955 INFO kablam!   11:     0x55700489a53e - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h4a5e41b2dd88d755
Sep 21 12:20:43.955 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:23
Sep 21 12:20:43.955 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/<__lazy_static_internal macros>:13
Sep 21 12:20:43.955 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/<__lazy_static_internal macros>:14
Sep 21 12:20:43.955 INFO kablam!   12:     0x557004898899 - build_script_build::llvm_config::h2c0a2d6a5ea838ca
Sep 21 12:20:43.955 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/build.rs:163
Sep 21 12:20:43.955 INFO kablam!   13:     0x557004899774 - build_script_build::main::h3c096ad77c7129b7
Sep 21 12:20:43.955 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/build.rs:224
Sep 21 12:20:43.955 INFO kablam!   14:     0x5570048a863f - std::rt::lang_start::{{closure}}::h24a19d940f449da0
Sep 21 12:20:43.955 INFO kablam!                                at libstd/rt.rs:74
Sep 21 12:20:43.955 INFO kablam!   15:     0x557004a50d62 - std::panicking::try::do_call::h5d32e7529efe730f
Sep 21 12:20:43.955 INFO kablam!                                at libstd/rt.rs:59
Sep 21 12:20:43.955 INFO kablam!                                at libstd/panicking.rs:310
Sep 21 12:20:43.955 INFO kablam!   16:     0x557004a73139 - __rust_maybe_catch_panic
Sep 21 12:20:43.955 INFO kablam!                                at libpanic_unwind/lib.rs:102
Sep 21 12:20:43.955 INFO kablam!   17:     0x557004a5cfc5 - std::rt::lang_start_internal::hc5e2e4826ae19193
Sep 21 12:20:43.955 INFO kablam!                                at libstd/panicking.rs:289
Sep 21 12:20:43.955 INFO kablam!                                at libstd/panic.rs:392
Sep 21 12:20:43.955 INFO kablam!                                at libstd/rt.rs:58
Sep 21 12:20:43.955 INFO kablam!   18:     0x5570048a8617 - std::rt::lang_start::hda8f4fa1b523f210
Sep 21 12:20:43.955 INFO kablam!                                at libstd/rt.rs:74
Sep 21 12:20:43.955 INFO kablam!   19:     0x55700489a589 - main
Sep 21 12:20:43.955 INFO kablam!   20:     0x7f1d932e582f - __libc_start_main
Sep 21 12:20:43.955 INFO kablam!   21:     0x5570048974f8 - _start
Sep 21 12:20:43.955 INFO kablam!   22:                0x0 - <unknown>
Sep 21 12:20:43.955 INFO kablam! 
Sep 21 12:20:43.956 INFO kablam! su: No module specific data is present
Sep 21 12:20:44.778 INFO running `"docker" "rm" "-f" "7e1dce76fd1c3107671985812f9dc6222c2b85b5bac73e998620c132815fdf8f"`
Sep 21 12:20:44.858 INFO blam! 7e1dce76fd1c3107671985812f9dc6222c2b85b5bac73e998620c132815fdf8f