Sep 06 08:55:14.598 INFO checking cervus-0.3.6 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 08:55:14.598 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 08:55:14.598 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-6/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 08:55:14.723 INFO blam! e1e9e0fd6cebb4c7e41c325877523572e8df5a5f14632067e86ca4db98c065d8
Sep 06 08:55:14.724 INFO running `"docker" "start" "-a" "e1e9e0fd6cebb4c7e41c325877523572e8df5a5f14632067e86ca4db98c065d8"`
Sep 06 08:55:15.827 INFO kablam! usermod: no changes
Sep 06 08:55:15.877 INFO kablam!    Compiling semver-parser v0.6.2
Sep 06 08:55:17.086 INFO kablam!    Compiling semver v0.4.1
Sep 06 08:55:18.418 INFO kablam!    Compiling llvm-sys v38.2.0
Sep 06 08:55:20.770 INFO kablam! error: failed to run custom build command for `llvm-sys v38.2.0`
Sep 06 08:55:20.770 INFO kablam! process didn't exit successfully: `/target/debug/build/llvm-sys-462337f1269972f1/build-script-build` (exit code: 101)
Sep 06 08:55:20.770 INFO kablam! --- stdout
Sep 06 08:55:20.770 INFO kablam! Didn't find usable system-wide LLVM.
Sep 06 08:55:20.770 INFO kablam! LLVM_SYS_38_PREFIX not set, not using precompiled binaries
Sep 06 08:55:20.770 INFO kablam! LLVM_SYS_38_AUTOBUILD not set, will not automatically compile LLVM
Sep 06 08:55:20.770 INFO kablam! 
Sep 06 08:55:20.770 INFO kablam! --- stderr
Sep 06 08:55:20.770 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 06 08:55:20.770 INFO kablam! stack backtrace:
Sep 06 08:55:20.770 INFO kablam!    0:     0x56522bc6978e - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h082e5fdf9aff33df
Sep 06 08:55:20.770 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Sep 06 08:55:20.770 INFO kablam!    1:     0x56522bc596d6 - std::sys_common::backtrace::print::hef53554d827c8c8b
Sep 06 08:55:20.770 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Sep 06 08:55:20.770 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Sep 06 08:55:20.770 INFO kablam!    2:     0x56522bc57a6d - std::panicking::default_hook::{{closure}}::h34861d43158e89b9
Sep 06 08:55:20.770 INFO kablam!                                at libstd/panicking.rs:211
Sep 06 08:55:20.770 INFO kablam!    3:     0x56522bc577e0 - std::panicking::default_hook::h8898fb997741a086
Sep 06 08:55:20.771 INFO kablam!                                at libstd/panicking.rs:227
Sep 06 08:55:20.771 INFO kablam!    4:     0x56522bc580dc - std::panicking::rust_panic_with_hook::h2a2e767b3fe52fcb
Sep 06 08:55:20.771 INFO kablam!                                at libstd/panicking.rs:477
Sep 06 08:55:20.771 INFO kablam!    5:     0x56522bbba94f - std::panicking::begin_panic::h4aaa2c0eb3f74822
Sep 06 08:55:20.771 INFO kablam!                                at /checkout/src/libstd/panicking.rs:411
Sep 06 08:55:20.771 INFO kablam!    6:     0x56522baa7d88 - core::ops::function::FnOnce::call_once::h3f028b5cd5909ee3
Sep 06 08:55:20.771 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/build.rs:77
Sep 06 08:55:20.771 INFO kablam!                                at /checkout/src/libcore/ops/function.rs:238
Sep 06 08:55:20.771 INFO kablam!    7:     0x56522bab0622 - <lazy_static::lazy::Lazy<T>>::get::{{closure}}::h0a6c0e09ed66f2ea
Sep 06 08:55:20.771 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:24
Sep 06 08:55:20.771 INFO kablam!    8:     0x56522bab052a - std::sync::once::Once::call_once::{{closure}}::h1da7a0c465f20424
Sep 06 08:55:20.771 INFO kablam!                                at /checkout/src/libstd/sync/once.rs:234
Sep 06 08:55:20.771 INFO kablam!    9:     0x56522bc573e0 - std::sync::once::Once::call_inner::hf1961f1e22c1e81d
Sep 06 08:55:20.771 INFO kablam!                                at libstd/sync/once.rs:351
Sep 06 08:55:20.771 INFO kablam!   10:     0x56522bab03fa - std::sync::once::Once::call_once::h4dd701f549b0442d
Sep 06 08:55:20.771 INFO kablam!                                at /checkout/src/libstd/sync/once.rs:234
Sep 06 08:55:20.771 INFO kablam!   11:     0x56522baa34de - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h6676d4297c3a8ed7
Sep 06 08:55:20.771 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:23
Sep 06 08:55:20.771 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/<__lazy_static_internal macros>:13
Sep 06 08:55:20.771 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/<__lazy_static_internal macros>:14
Sep 06 08:55:20.771 INFO kablam!   12:     0x56522baa1839 - build_script_build::llvm_config::hfec6aea33876dc78
Sep 06 08:55:20.771 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/build.rs:163
Sep 06 08:55:20.771 INFO kablam!   13:     0x56522baa2714 - build_script_build::main::h8d712fee268aafe4
Sep 06 08:55:20.771 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/build.rs:224
Sep 06 08:55:20.771 INFO kablam!   14:     0x56522bab02cf - std::rt::lang_start::{{closure}}::h84810440c7183d56
Sep 06 08:55:20.771 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Sep 06 08:55:20.771 INFO kablam!   15:     0x56522bc57b72 - std::panicking::try::do_call::hd6568c1e1325fac3
Sep 06 08:55:20.771 INFO kablam!                                at libstd/rt.rs:59
Sep 06 08:55:20.771 INFO kablam!                                at libstd/panicking.rs:310
Sep 06 08:55:20.771 INFO kablam!   16:     0x56522bc7c399 - __rust_maybe_catch_panic
Sep 06 08:55:20.771 INFO kablam!                                at libpanic_unwind/lib.rs:103
Sep 06 08:55:20.771 INFO kablam!   17:     0x56522bc64f35 - std::rt::lang_start_internal::hf4a29d9afcf3f720
Sep 06 08:55:20.771 INFO kablam!                                at libstd/panicking.rs:289
Sep 06 08:55:20.771 INFO kablam!                                at libstd/panic.rs:392
Sep 06 08:55:20.771 INFO kablam!                                at libstd/rt.rs:58
Sep 06 08:55:20.771 INFO kablam!   18:     0x56522bab02a7 - std::rt::lang_start::hdbdee0d913b82408
Sep 06 08:55:20.771 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Sep 06 08:55:20.771 INFO kablam!   19:     0x56522baa3529 - main
Sep 06 08:55:20.771 INFO kablam!   20:     0x7f855d7bb82f - __libc_start_main
Sep 06 08:55:20.771 INFO kablam!   21:     0x56522baa0498 - _start
Sep 06 08:55:20.771 INFO kablam!   22:                0x0 - <unknown>
Sep 06 08:55:20.771 INFO kablam! 
Sep 06 08:55:20.772 INFO kablam! su: No module specific data is present
Sep 06 08:55:21.655 INFO running `"docker" "rm" "-f" "e1e9e0fd6cebb4c7e41c325877523572e8df5a5f14632067e86ca4db98c065d8"`
Sep 06 08:55:21.769 INFO blam! e1e9e0fd6cebb4c7e41c325877523572e8df5a5f14632067e86ca4db98c065d8