Sep 02 18:27:44.895 INFO checking cervus-0.3.6 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 02 18:27:44.895 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 02 18:27:44.895 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 18:27:45.082 INFO blam! 88c6ba79c2f8403b1ba852f23b5f9946c8c4db650808a956b8e0172e36f39593
Sep 02 18:27:45.084 INFO running `"docker" "start" "-a" "88c6ba79c2f8403b1ba852f23b5f9946c8c4db650808a956b8e0172e36f39593"`
Sep 02 18:27:45.855 INFO kablam!    Compiling semver-parser v0.6.2
Sep 02 18:27:48.271 INFO kablam!    Compiling semver v0.4.1
Sep 02 18:27:51.179 INFO kablam!    Compiling llvm-sys v38.2.0
Sep 02 18:27:54.906 INFO kablam! error: failed to run custom build command for `llvm-sys v38.2.0`
Sep 02 18:27:54.906 INFO kablam! process didn't exit successfully: `/target/debug/build/llvm-sys-801af23e6837c564/build-script-build` (exit code: 101)
Sep 02 18:27:54.906 INFO kablam! --- stdout
Sep 02 18:27:54.906 INFO kablam! Didn't find usable system-wide LLVM.
Sep 02 18:27:54.906 INFO kablam! LLVM_SYS_38_PREFIX not set, not using precompiled binaries
Sep 02 18:27:54.906 INFO kablam! LLVM_SYS_38_AUTOBUILD not set, will not automatically compile LLVM
Sep 02 18:27:54.906 INFO kablam! 
Sep 02 18:27:54.906 INFO kablam! --- stderr
Sep 02 18:27:54.907 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 18:27:54.907 INFO kablam! stack backtrace:
Sep 02 18:27:54.907 INFO kablam!    0:     0x555fbe704e7e - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h8608d381b52a1cc7
Sep 02 18:27:54.907 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Sep 02 18:27:54.907 INFO kablam!    1:     0x555fbe6f4d56 - std::sys_common::backtrace::print::hf96fbb6301ca8111
Sep 02 18:27:54.907 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Sep 02 18:27:54.907 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Sep 02 18:27:54.907 INFO kablam!    2:     0x555fbe6f310d - std::panicking::default_hook::{{closure}}::h2e8fa0d6ce9ebecc
Sep 02 18:27:54.907 INFO kablam!                                at libstd/panicking.rs:211
Sep 02 18:27:54.907 INFO kablam!    3:     0x555fbe6f2e80 - std::panicking::default_hook::h3e385661c8d6b6f8
Sep 02 18:27:54.907 INFO kablam!                                at libstd/panicking.rs:227
Sep 02 18:27:54.907 INFO kablam!    4:     0x555fbe6f377c - std::panicking::rust_panic_with_hook::h82448672ce6401e7
Sep 02 18:27:54.907 INFO kablam!                                at libstd/panicking.rs:477
Sep 02 18:27:54.907 INFO kablam!    5:     0x555fbe6e3d8f - std::panicking::begin_panic::h9b5f71d60e7eb862
Sep 02 18:27:54.907 INFO kablam!                                at /checkout/src/libstd/panicking.rs:411
Sep 02 18:27:54.907 INFO kablam!    6:     0x555fbe5410a1 - core::ops::function::FnOnce::call_once::hc7879a6ee5d6f21d
Sep 02 18:27:54.907 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/build.rs:77
Sep 02 18:27:54.907 INFO kablam!                                at /checkout/src/libcore/ops/function.rs:238
Sep 02 18:27:54.907 INFO kablam!    7:     0x555fbe549822 - <lazy_static::lazy::Lazy<T>>::get::{{closure}}::hd3f55c27cd514379
Sep 02 18:27:54.907 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:24
Sep 02 18:27:54.907 INFO kablam!    8:     0x555fbe5496aa - std::sync::once::Once::call_once::{{closure}}::h2ceb86ad10dee092
Sep 02 18:27:54.907 INFO kablam!                                at /checkout/src/libstd/sync/once.rs:234
Sep 02 18:27:54.907 INFO kablam!    9:     0x555fbe7071d0 - std::sync::once::Once::call_inner::hb4f267357910e42f
Sep 02 18:27:54.907 INFO kablam!                                at libstd/sync/once.rs:351
Sep 02 18:27:54.908 INFO kablam!   10:     0x555fbe54957a - std::sync::once::Once::call_once::h5d5183d266e0b9c3
Sep 02 18:27:54.908 INFO kablam!                                at /checkout/src/libstd/sync/once.rs:234
Sep 02 18:27:54.908 INFO kablam!   11:     0x555fbe53c64e - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h8dac09542f47210d
Sep 02 18:27:54.908 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:23
Sep 02 18:27:54.908 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/<__lazy_static_internal macros>:13
Sep 02 18:27:54.908 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/<__lazy_static_internal macros>:14
Sep 02 18:27:54.908 INFO kablam!   12:     0x555fbe53a989 - build_script_build::llvm_config::h9dcbe363e73cf286
Sep 02 18:27:54.908 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/build.rs:163
Sep 02 18:27:54.908 INFO kablam!   13:     0x555fbe53b864 - build_script_build::main::h08bfa58547399fa4
Sep 02 18:27:54.908 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/build.rs:224
Sep 02 18:27:54.908 INFO kablam!   14:     0x555fbe54944f - std::rt::lang_start::{{closure}}::h73ac3fb3a7ba74e0
Sep 02 18:27:54.908 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Sep 02 18:27:54.908 INFO kablam!   15:     0x555fbe6f3212 - std::panicking::try::do_call::he8eb7284c711bc58
Sep 02 18:27:54.908 INFO kablam!                                at libstd/rt.rs:59
Sep 02 18:27:54.908 INFO kablam!                                at libstd/panicking.rs:310
Sep 02 18:27:54.908 INFO kablam!   16:     0x555fbe716a59 - __rust_maybe_catch_panic
Sep 02 18:27:54.908 INFO kablam!                                at libpanic_unwind/lib.rs:103
Sep 02 18:27:54.908 INFO kablam!   17:     0x555fbe7005f5 - std::rt::lang_start_internal::h25421c11e0cff495
Sep 02 18:27:54.908 INFO kablam!                                at libstd/panicking.rs:289
Sep 02 18:27:54.908 INFO kablam!                                at libstd/panic.rs:392
Sep 02 18:27:54.908 INFO kablam!                                at libstd/rt.rs:58
Sep 02 18:27:54.909 INFO kablam!   18:     0x555fbe549427 - std::rt::lang_start::hb2cf9e936d7949cf
Sep 02 18:27:54.909 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Sep 02 18:27:54.909 INFO kablam!   19:     0x555fbe53c699 - main
Sep 02 18:27:54.909 INFO kablam!   20:     0x7f818577182f - __libc_start_main
Sep 02 18:27:54.909 INFO kablam!   21:     0x555fbe5395e8 - _start
Sep 02 18:27:54.909 INFO kablam!   22:                0x0 - <unknown>
Sep 02 18:27:54.909 INFO kablam! 
Sep 02 18:27:54.912 INFO kablam! su: No module specific data is present
Sep 02 18:27:55.489 INFO running `"docker" "rm" "-f" "88c6ba79c2f8403b1ba852f23b5f9946c8c4db650808a956b8e0172e36f39593"`
Sep 02 18:27:55.671 INFO blam! 88c6ba79c2f8403b1ba852f23b5f9946c8c4db650808a956b8e0172e36f39593