Aug 31 22:25:38.953 INFO checking llvm-wrap-0.2.5 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 22:25:38.954 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 22:25:38.954 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 22:25:39.097 INFO blam! 19707ba8f1f66889464e8df617b83d7cd33e0e97a3218df005e1b371b63be80e
Aug 31 22:25:39.099 INFO running `"docker" "start" "-a" "19707ba8f1f66889464e8df617b83d7cd33e0e97a3218df005e1b371b63be80e"`
Aug 31 22:25:39.790 INFO kablam!    Compiling semver v0.6.0
Aug 31 22:25:41.253 INFO kablam!    Compiling llvm-sys v50.2.0
Aug 31 22:25:43.782 INFO kablam! error: failed to run custom build command for `llvm-sys v50.2.0`
Aug 31 22:25:43.782 INFO kablam! process didn't exit successfully: `/target/debug/build/llvm-sys-5598af495e4187cb/build-script-build` (exit code: 101)
Aug 31 22:25:43.782 INFO kablam! --- stdout
Aug 31 22:25:43.782 INFO kablam! Didn't find usable system-wide LLVM.
Aug 31 22:25:43.782 INFO kablam! LLVM_SYS_50_PREFIX not set, not using precompiled binaries
Aug 31 22:25:43.782 INFO kablam! LLVM_SYS_50_AUTOBUILD not set, will not automatically compile LLVM
Aug 31 22:25:43.782 INFO kablam! 
Aug 31 22:25:43.782 INFO kablam! --- stderr
Aug 31 22:25:43.782 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
Aug 31 22:25:43.782 INFO kablam! stack backtrace:
Aug 31 22:25:43.782 INFO kablam!    0:     0x5592bb10128e - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h5b93042d6f15f800
Aug 31 22:25:43.782 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Aug 31 22:25:43.782 INFO kablam!    1:     0x5592bb0f1126 - std::sys_common::backtrace::print::h20e4b3ea37b660b2
Aug 31 22:25:43.782 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Aug 31 22:25:43.782 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Aug 31 22:25:43.782 INFO kablam!    2:     0x5592bb0ef4dd - std::panicking::default_hook::{{closure}}::h795a478e1aaada94
Aug 31 22:25:43.782 INFO kablam!                                at libstd/panicking.rs:211
Aug 31 22:25:43.782 INFO kablam!    3:     0x5592bb0ef250 - std::panicking::default_hook::h62c69762e441cd31
Aug 31 22:25:43.782 INFO kablam!                                at libstd/panicking.rs:227
Aug 31 22:25:43.782 INFO kablam!    4:     0x5592bb0efb4c - std::panicking::rust_panic_with_hook::hb56a094fe82bce4d
Aug 31 22:25:43.783 INFO kablam!                                at libstd/panicking.rs:475
Aug 31 22:25:43.783 INFO kablam!    5:     0x5592bb0e011f - std::panicking::begin_panic::h539c7901ed9118ad
Aug 31 22:25:43.783 INFO kablam!                                at /checkout/src/libstd/panicking.rs:409
Aug 31 22:25:43.783 INFO kablam!    6:     0x5592baef5c31 - core::ops::function::FnOnce::call_once::h61ae9ca14bdfe22f
Aug 31 22:25:43.783 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.2.0/build.rs:77
Aug 31 22:25:43.783 INFO kablam!                                at /checkout/src/libcore/ops/function.rs:238
Aug 31 22:25:43.783 INFO kablam!    7:     0x5592baf02702 - <lazy_static::lazy::Lazy<T>>::get::{{closure}}::h0944f7dde4a1cb61
Aug 31 22:25:43.783 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:24
Aug 31 22:25:43.783 INFO kablam!    8:     0x5592baf026ea - std::sync::once::Once::call_once::{{closure}}::h3793bbf50ddf874f
Aug 31 22:25:43.783 INFO kablam!                                at /checkout/src/libstd/sync/once.rs:234
Aug 31 22:25:43.783 INFO kablam!    9:     0x5592bb1035e0 - std::sync::once::Once::call_inner::ha46ff8668c406ca2
Aug 31 22:25:43.783 INFO kablam!                                at libstd/sync/once.rs:351
Aug 31 22:25:43.783 INFO kablam!   10:     0x5592baf0257a - std::sync::once::Once::call_once::h028f3ad644fd732a
Aug 31 22:25:43.783 INFO kablam!                                at /checkout/src/libstd/sync/once.rs:234
Aug 31 22:25:43.783 INFO kablam!   11:     0x5592baef137e - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h033fc0a86847427a
Aug 31 22:25:43.783 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:23
Aug 31 22:25:43.783 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.2.0/<__lazy_static_internal macros>:13
Aug 31 22:25:43.783 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.2.0/<__lazy_static_internal macros>:14
Aug 31 22:25:43.783 INFO kablam!   12:     0x5592baeeeeb9 - build_script_build::llvm_config::hca88c772712c67bf
Aug 31 22:25:43.783 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.2.0/build.rs:164
Aug 31 22:25:43.783 INFO kablam!   13:     0x5592baef06e4 - build_script_build::main::h8d26c1cca80d903b
Aug 31 22:25:43.783 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.2.0/build.rs:300
Aug 31 22:25:43.784 INFO kablam!   14:     0x5592baef4c8f - std::rt::lang_start::{{closure}}::he93fd56bc6a43570
Aug 31 22:25:43.784 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Aug 31 22:25:43.784 INFO kablam!   15:     0x5592bb0ef5e2 - std::panicking::try::do_call::h344c73344a3fd6f6
Aug 31 22:25:43.784 INFO kablam!                                at libstd/rt.rs:59
Aug 31 22:25:43.784 INFO kablam!                                at libstd/panicking.rs:310
Aug 31 22:25:43.784 INFO kablam!   16:     0x5592bb113169 - __rust_maybe_catch_panic
Aug 31 22:25:43.784 INFO kablam!                                at libpanic_unwind/lib.rs:102
Aug 31 22:25:43.784 INFO kablam!   17:     0x5592bb0fc9d5 - std::rt::lang_start_internal::h4ab4abaf01dcd012
Aug 31 22:25:43.784 INFO kablam!                                at libstd/panicking.rs:289
Aug 31 22:25:43.784 INFO kablam!                                at libstd/panic.rs:392
Aug 31 22:25:43.784 INFO kablam!                                at libstd/rt.rs:58
Aug 31 22:25:43.784 INFO kablam!   18:     0x5592baef4c67 - std::rt::lang_start::h9bca22e1140690bd
Aug 31 22:25:43.784 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Aug 31 22:25:43.784 INFO kablam!   19:     0x5592baef13c9 - main
Aug 31 22:25:43.784 INFO kablam!   20:     0x7ff03444882f - __libc_start_main
Aug 31 22:25:43.784 INFO kablam!   21:     0x5592baeeda78 - _start
Aug 31 22:25:43.784 INFO kablam!   22:                0x0 - <unknown>
Aug 31 22:25:43.784 INFO kablam! 
Aug 31 22:25:43.784 INFO kablam! su: No module specific data is present
Aug 31 22:25:44.260 INFO running `"docker" "rm" "-f" "19707ba8f1f66889464e8df617b83d7cd33e0e97a3218df005e1b371b63be80e"`
Aug 31 22:25:44.361 INFO blam! 19707ba8f1f66889464e8df617b83d7cd33e0e97a3218df005e1b371b63be80e