Sep 20 03:50:25.958 INFO checking cervus-0.3.6 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 20 03:50:25.958 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 20 03:50:25.959 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-3/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 03:50:26.149 INFO blam! 34f8f1e12ca84e242a017ad89735d4b91b84efa2445651213b6dd19a11ebd0d8
Sep 20 03:50:26.151 INFO running `"docker" "start" "-a" "34f8f1e12ca84e242a017ad89735d4b91b84efa2445651213b6dd19a11ebd0d8"`
Sep 20 03:50:27.203 INFO kablam! usermod: no changes
Sep 20 03:50:27.350 INFO kablam!    Compiling semver-parser v0.6.2
Sep 20 03:50:28.794 INFO kablam!    Compiling semver v0.4.1
Sep 20 03:50:30.291 INFO kablam!    Compiling llvm-sys v38.2.0
Sep 20 03:50:32.910 INFO kablam! error: failed to run custom build command for `llvm-sys v38.2.0`
Sep 20 03:50:32.910 INFO kablam! process didn't exit successfully: `/target/debug/build/llvm-sys-845ac652dcf70bcf/build-script-build` (exit code: 101)
Sep 20 03:50:32.910 INFO kablam! --- stdout
Sep 20 03:50:32.910 INFO kablam! Didn't find usable system-wide LLVM.
Sep 20 03:50:32.910 INFO kablam! LLVM_SYS_38_PREFIX not set, not using precompiled binaries
Sep 20 03:50:32.910 INFO kablam! LLVM_SYS_38_AUTOBUILD not set, will not automatically compile LLVM
Sep 20 03:50:32.910 INFO kablam! 
Sep 20 03:50:32.910 INFO kablam! --- stderr
Sep 20 03:50:32.910 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 20 03:50:32.910 INFO kablam! stack backtrace:
Sep 20 03:50:32.910 INFO kablam!    0:     0x55fb540ad12e - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h30b7df3ff3ebc526
Sep 20 03:50:32.910 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Sep 20 03:50:32.910 INFO kablam!    1:     0x55fb5409d2d6 - std::sys_common::backtrace::print::hc6a3affd651da617
Sep 20 03:50:32.910 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Sep 20 03:50:32.910 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Sep 20 03:50:32.910 INFO kablam!    2:     0x55fb5409b6bd - std::panicking::default_hook::{{closure}}::h24bcdc46ff1bdd94
Sep 20 03:50:32.910 INFO kablam!                                at libstd/panicking.rs:211
Sep 20 03:50:32.910 INFO kablam!    3:     0x55fb5409b430 - std::panicking::default_hook::h5357f8ba3cb65742
Sep 20 03:50:32.910 INFO kablam!                                at libstd/panicking.rs:227
Sep 20 03:50:32.910 INFO kablam!    4:     0x55fb5409bd2c - std::panicking::rust_panic_with_hook::h65b641598223039e
Sep 20 03:50:32.910 INFO kablam!                                at libstd/panicking.rs:477
Sep 20 03:50:32.910 INFO kablam!    5:     0x55fb5408e36f - std::panicking::begin_panic::h51460177fc33a029
Sep 20 03:50:32.910 INFO kablam!                                at libstd/panicking.rs:411
Sep 20 03:50:32.910 INFO kablam!    6:     0x55fb53eeae88 - core::ops::function::FnOnce::call_once::h21f99c2776b8e096
Sep 20 03:50:32.910 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/build.rs:77
Sep 20 03:50:32.910 INFO kablam!                                at libcore/ops/function.rs:238
Sep 20 03:50:32.910 INFO kablam!    7:     0x55fb53ef4922 - <lazy_static::lazy::Lazy<T>>::get::{{closure}}::h020b0bb2972ee1dc
Sep 20 03:50:32.910 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:24
Sep 20 03:50:32.910 INFO kablam!    8:     0x55fb53ef48ca - std::sync::once::Once::call_once::{{closure}}::h3216681824890b04
Sep 20 03:50:32.910 INFO kablam!                                at libstd/sync/once.rs:230
Sep 20 03:50:32.910 INFO kablam!    9:     0x55fb5409b030 - std::sync::once::Once::call_inner::hcd2fa1b1207fcc7c
Sep 20 03:50:32.911 INFO kablam!                                at libstd/sync/once.rs:396
Sep 20 03:50:32.911 INFO kablam!   10:     0x55fb53ef485e - std::sync::once::Once::call_once::hfe41cbbf15c42feb
Sep 20 03:50:32.911 INFO kablam!                                at libstd/sync/once.rs:230
Sep 20 03:50:32.911 INFO kablam!   11:     0x55fb53ee657e - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h1f3d368bd9f42dd1
Sep 20 03:50:32.911 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:23
Sep 20 03:50:32.911 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/<__lazy_static_internal macros>:13
Sep 20 03:50:32.911 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/<__lazy_static_internal macros>:14
Sep 20 03:50:32.911 INFO kablam!   12:     0x55fb53ee48d9 - build_script_build::llvm_config::hba663cc8a80c97a6
Sep 20 03:50:32.911 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/build.rs:163
Sep 20 03:50:32.911 INFO kablam!   13:     0x55fb53ee57b4 - build_script_build::main::h85e9075a7fc44434
Sep 20 03:50:32.911 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-38.2.0/build.rs:224
Sep 20 03:50:32.911 INFO kablam!   14:     0x55fb53ef468f - std::rt::lang_start::{{closure}}::h8a46639fee421d8b
Sep 20 03:50:32.911 INFO kablam!                                at libstd/rt.rs:74
Sep 20 03:50:32.911 INFO kablam!   15:     0x55fb5409b7c2 - std::panicking::try::do_call::h817ce9e4aa46557f
Sep 20 03:50:32.911 INFO kablam!                                at libstd/rt.rs:59
Sep 20 03:50:32.911 INFO kablam!                                at libstd/panicking.rs:310
Sep 20 03:50:32.911 INFO kablam!   16:     0x55fb540bfe19 - __rust_maybe_catch_panic
Sep 20 03:50:32.911 INFO kablam!                                at libpanic_unwind/lib.rs:102
Sep 20 03:50:32.911 INFO kablam!   17:     0x55fb540a8945 - std::rt::lang_start_internal::h74522e2641913464
Sep 20 03:50:32.911 INFO kablam!                                at libstd/panicking.rs:289
Sep 20 03:50:32.911 INFO kablam!                                at libstd/panic.rs:392
Sep 20 03:50:32.911 INFO kablam!                                at libstd/rt.rs:58
Sep 20 03:50:32.911 INFO kablam!   18:     0x55fb53ef4667 - std::rt::lang_start::h7b3b66d610435291
Sep 20 03:50:32.911 INFO kablam!                                at libstd/rt.rs:74
Sep 20 03:50:32.911 INFO kablam!   19:     0x55fb53ee65c9 - main
Sep 20 03:50:32.911 INFO kablam!   20:     0x7f04d209b82f - __libc_start_main
Sep 20 03:50:32.911 INFO kablam!   21:     0x55fb53ee3538 - _start
Sep 20 03:50:32.911 INFO kablam!   22:                0x0 - <unknown>
Sep 20 03:50:32.911 INFO kablam! 
Sep 20 03:50:32.922 INFO kablam! su: No module specific data is present
Sep 20 03:50:33.707 INFO running `"docker" "rm" "-f" "34f8f1e12ca84e242a017ad89735d4b91b84efa2445651213b6dd19a11ebd0d8"`
Sep 20 03:50:33.937 INFO blam! 34f8f1e12ca84e242a017ad89735d4b91b84efa2445651213b6dd19a11ebd0d8