Aug 18 01:55:44.436 INFO checking cervus-0.3.6 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 18 01:55:44.436 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 18 01:55:44.436 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 18 01:55:44.436 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-2/master#142bb27373126edf8367f526358b6c72ecf1d8df:/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 +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 18 01:55:44.758 INFO blam! 7a952b04fdd9a08d65296b1b0319fb7e9da6a786890dd18951ea03dead75853e
Aug 18 01:55:44.760 INFO running `"docker" "start" "-a" "7a952b04fdd9a08d65296b1b0319fb7e9da6a786890dd18951ea03dead75853e"`
Aug 18 01:55:45.864 INFO kablam!    Compiling semver-parser v0.6.2
Aug 18 01:55:48.810 INFO kablam!    Compiling semver v0.4.1
Aug 18 01:55:51.528 INFO kablam!    Compiling llvm-sys v38.1.0
Aug 18 01:55:56.046 INFO kablam! error: failed to run custom build command for `llvm-sys v38.1.0`
Aug 18 01:55:56.046 INFO kablam! process didn't exit successfully: `/target/debug/build/llvm-sys-39a66b107b996f09/build-script-build` (exit code: 101)
Aug 18 01:55:56.046 INFO kablam! --- stdout
Aug 18 01:55:56.046 INFO kablam! Didn't find usable system-wide LLVM.
Aug 18 01:55:56.046 INFO kablam! LLVM_SYS_38_PREFIX not set, not using precompiled binaries
Aug 18 01:55:56.046 INFO kablam! LLVM_SYS_38_AUTOBUILD not set, will not automatically compile LLVM
Aug 18 01:55:56.046 INFO kablam! 
Aug 18 01:55:56.047 INFO kablam! --- stderr
Aug 18 01:55:56.047 INFO kablam! thread 'main' panicked at 'Could not find a compatible version of LLVM', /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.1.0/build.rs:77:9
Aug 18 01:55:56.047 INFO kablam! stack backtrace:
Aug 18 01:55:56.047 INFO kablam!    0:     0x55925b5c8e1e - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hee70e4814fe040ce
Aug 18 01:55:56.047 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Aug 18 01:55:56.047 INFO kablam!    1:     0x55925b5b8cd6 - std::sys_common::backtrace::print::hd5d4c7080d4c6668
Aug 18 01:55:56.047 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Aug 18 01:55:56.047 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Aug 18 01:55:56.047 INFO kablam!    2:     0x55925b5b708d - std::panicking::default_hook::{{closure}}::hf0861fbb75eeb626
Aug 18 01:55:56.047 INFO kablam!                                at libstd/panicking.rs:211
Aug 18 01:55:56.047 INFO kablam!    3:     0x55925b5b6e00 - std::panicking::default_hook::h8fcd9d1d326500d7
Aug 18 01:55:56.047 INFO kablam!                                at libstd/panicking.rs:227
Aug 18 01:55:56.047 INFO kablam!    4:     0x55925b5b76fc - std::panicking::rust_panic_with_hook::h288cacdc0047ca11
Aug 18 01:55:56.047 INFO kablam!                                at libstd/panicking.rs:475
Aug 18 01:55:56.047 INFO kablam!    5:     0x55925b5a8b0f - std::panicking::begin_panic::hf7318a9121242e2f
Aug 18 01:55:56.047 INFO kablam!                                at /checkout/src/libstd/panicking.rs:409
Aug 18 01:55:56.047 INFO kablam!    6:     0x55925b4062a1 - core::ops::function::FnOnce::call_once::hdb1b21aa0da6bd50
Aug 18 01:55:56.047 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.1.0/build.rs:77
Aug 18 01:55:56.047 INFO kablam!                                at /checkout/src/libcore/ops/function.rs:223
Aug 18 01:55:56.047 INFO kablam!    7:     0x55925b40e912 - <lazy_static::lazy::Lazy<T>>::get::{{closure}}::h0126baf57b3c3288
Aug 18 01:55:56.047 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:24
Aug 18 01:55:56.047 INFO kablam!    8:     0x55925b40e81a - std::sync::once::Once::call_once::{{closure}}::h2312310a13614335
Aug 18 01:55:56.048 INFO kablam!                                at /checkout/src/libstd/sync/once.rs:234
Aug 18 01:55:56.048 INFO kablam!    9:     0x55925b5cb150 - std::sync::once::Once::call_inner::h62ad31cdf8a85248
Aug 18 01:55:56.048 INFO kablam!                                at libstd/sync/once.rs:351
Aug 18 01:55:56.048 INFO kablam!   10:     0x55925b40e7aa - std::sync::once::Once::call_once::hd9a905a570a76601
Aug 18 01:55:56.048 INFO kablam!                                at /checkout/src/libstd/sync/once.rs:234
Aug 18 01:55:56.048 INFO kablam!   11:     0x55925b40182e - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::ha49bfcf997b52c11
Aug 18 01:55:56.048 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:23
Aug 18 01:55:56.048 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.1.0/<__lazy_static_internal macros>:13
Aug 18 01:55:56.048 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.1.0/<__lazy_static_internal macros>:14
Aug 18 01:55:56.048 INFO kablam!   12:     0x55925b3ffb69 - build_script_build::llvm_config::h067e57f899337e4f
Aug 18 01:55:56.048 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.1.0/build.rs:163
Aug 18 01:55:56.048 INFO kablam!   13:     0x55925b400a44 - build_script_build::main::hd2bbb03d374480e8
Aug 18 01:55:56.048 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.1.0/build.rs:220
Aug 18 01:55:56.048 INFO kablam!   14:     0x55925b40e5cf - std::rt::lang_start::{{closure}}::h75765b2ecc024612
Aug 18 01:55:56.048 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Aug 18 01:55:56.048 INFO kablam!   15:     0x55925b5b7192 - std::panicking::try::do_call::h7dd2181ad400e896
Aug 18 01:55:56.048 INFO kablam!                                at libstd/rt.rs:59
Aug 18 01:55:56.048 INFO kablam!                                at libstd/panicking.rs:310
Aug 18 01:55:56.048 INFO kablam!   16:     0x55925b5da759 - __rust_maybe_catch_panic
Aug 18 01:55:56.048 INFO kablam!                                at libpanic_unwind/lib.rs:105
Aug 18 01:55:56.048 INFO kablam!   17:     0x55925b5c45a5 - std::rt::lang_start_internal::haca017aa1a7a6e2d
Aug 18 01:55:56.048 INFO kablam!                                at libstd/panicking.rs:289
Aug 18 01:55:56.048 INFO kablam!                                at libstd/panic.rs:392
Aug 18 01:55:56.048 INFO kablam!                                at libstd/rt.rs:58
Aug 18 01:55:56.049 INFO kablam!   18:     0x55925b40e5a7 - std::rt::lang_start::hd91f59251b06d014
Aug 18 01:55:56.049 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Aug 18 01:55:56.049 INFO kablam!   19:     0x55925b401879 - main
Aug 18 01:55:56.049 INFO kablam!   20:     0x7f1de3a3f82f - __libc_start_main
Aug 18 01:55:56.049 INFO kablam!   21:     0x55925b3fe7c8 - _start
Aug 18 01:55:56.049 INFO kablam!   22:                0x0 - <unknown>
Aug 18 01:55:56.049 INFO kablam! 
Aug 18 01:55:56.051 INFO kablam! su: No module specific data is present
Aug 18 01:55:56.575 INFO running `"docker" "rm" "-f" "7a952b04fdd9a08d65296b1b0319fb7e9da6a786890dd18951ea03dead75853e"`
Aug 18 01:55:56.744 INFO blam! 7a952b04fdd9a08d65296b1b0319fb7e9da6a786890dd18951ea03dead75853e