[INFO] updating cached repository elipmoc/Ruscall
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/elipmoc/Ruscall
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/elipmoc/Ruscall" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/elipmoc/Ruscall"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/elipmoc/Ruscall'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/elipmoc/Ruscall" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/elipmoc/Ruscall"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/elipmoc/Ruscall'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8feb48c031b7475a396c7d15a05ea6a78c560daa
[INFO] sha for GitHub repo elipmoc/Ruscall: 8feb48c031b7475a396c7d15a05ea6a78c560daa
[INFO] validating manifest of elipmoc/Ruscall on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of elipmoc/Ruscall on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing elipmoc/Ruscall
[INFO] finished frobbing elipmoc/Ruscall
[INFO] frobbed toml for elipmoc/Ruscall written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/elipmoc/Ruscall/Cargo.toml
[INFO] started frobbing elipmoc/Ruscall
[INFO] finished frobbing elipmoc/Ruscall
[INFO] frobbed toml for elipmoc/Ruscall written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/elipmoc/Ruscall/Cargo.toml
[INFO] crate elipmoc/Ruscall already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking elipmoc/Ruscall against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-1/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/elipmoc/Ruscall:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3c43c4d339e3be0683812bd909d1a9ca730712377a48edec40d3f6960bd70174
[INFO] running `"docker" "start" "-a" "3c43c4d339e3be0683812bd909d1a9ca730712377a48edec40d3f6960bd70174"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling inkwell v0.1.0 (https://github.com/elipmoc/inkwell?branch=llvm6-0#ad57fda8)
[INFO] [stderr]    Compiling ruscall v0.6.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling enum-methods v0.0.8
[INFO] [stderr]     Checking combine v3.6.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling llvm-sys v60.2.0
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v60.2.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/llvm-sys-1a630ad2e7b15811/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Found LLVM version 3.8.0 on PATH, but need 6.0.0.
[INFO] [stderr] Didn't find usable system-wide LLVM.
[INFO] [stderr] No suitable version of LLVM was found system-wide or pointed
[INFO] [stderr]                   to by LLVM_SYS_60_PREFIX.
[INFO] [stderr]                   
[INFO] [stderr]                   Consider using `llvmenv` to compile an appropriate copy of LLVM, and
[INFO] [stderr]                   refer to the llvm-sys documentation for more information.
[INFO] [stderr]                   
[INFO] [stderr]                   llvm-sys: https://crates.io/crates/llvm-sys
[INFO] [stderr]                   llvmenv: https://crates.io/crates/llvmenv
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'Could not find a compatible version of LLVM', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.2.0/build.rs:62:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55deb45a2d9b - backtrace::backtrace::libunwind::trace::hbfb69e72f505529b
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55deb45a2d9b - backtrace::backtrace::trace_unsynchronized::hac9ea77fa06b91bd
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55deb45a2d9b - std::sys_common::backtrace::_print::hf6f722cabcf8c26d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55deb45a2d9b - std::sys_common::backtrace::print::h9cca5983945bdb52
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55deb45a2d9b - std::panicking::default_hook::{{closure}}::h2fab7259edc3a80d
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55deb45a2a77 - std::panicking::default_hook::ha99acf6d9268d46d
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55deb45a3510 - std::panicking::rust_panic_with_hook::hddab2c65ce92e648
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55deb451a5d8 - std::panicking::begin_panic::h21a08d03d4f3d875
[INFO] [stderr]                                at /rustc/18481b65f318e0b4b20c0fc61340054701719d6c/src/libstd/panicking.rs:411
[INFO] [stderr]    8:     0x55deb4374e2e - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h968409430bdc0ab3
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.2.0/build.rs:62
[INFO] [stderr]    9:     0x55deb4374e2e - core::ops::function::FnOnce::call_once::hb4c23291273c6a7e
[INFO] [stderr]                                at /rustc/18481b65f318e0b4b20c0fc61340054701719d6c/src/libcore/ops/function.rs:231
[INFO] [stderr]   10:     0x55deb4378102 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h0e6a0d683ab1a0a6
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.2.0/src/inline_lazy.rs:28
[INFO] [stderr]   11:     0x55deb43727bb - std::sync::once::Once::call_once::{{closure}}::h5d6ebcfb34120dd1
[INFO] [stderr]                                at /rustc/18481b65f318e0b4b20c0fc61340054701719d6c/src/libstd/sync/once.rs:225
[INFO] [stderr]   12:     0x55deb45a0124 - std::sync::once::Once::call_inner::hec6811931650cc9e
[INFO] [stderr]                                at src/libstd/sync/once.rs:392
[INFO] [stderr]   13:     0x55deb4372653 - std::sync::once::Once::call_once::h2046b9beb4ad2641
[INFO] [stderr]                                at /rustc/18481b65f318e0b4b20c0fc61340054701719d6c/src/libstd/sync/once.rs:225
[INFO] [stderr]   14:     0x55deb436fd72 - lazy_static::lazy::Lazy<T>::get::h744f2417d906f95e
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.2.0/src/inline_lazy.rs:27
[INFO] [stderr]   15:     0x55deb436fd72 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::hfceb1b7d6e823b11
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.2.0/<::lazy_static::__lazy_static_internal macros>:12
[INFO] [stderr]   16:     0x55deb436fd72 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h5cad237ac690601a
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.2.0/<::lazy_static::__lazy_static_internal macros>:13
[INFO] [stderr]   17:     0x55deb436d5ca - build_script_build::llvm_config::hf60fd93d9a284517
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.2.0/build.rs:149
[INFO] [stderr]   18:     0x55deb436f0ed - build_script_build::main::h20d07ddfbc875080
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.2.0/build.rs:285
[INFO] [stderr]   19:     0x55deb4372580 - std::rt::lang_start::{{closure}}::h86cfbaca6c28d9c4
[INFO] [stderr]                                at /rustc/18481b65f318e0b4b20c0fc61340054701719d6c/src/libstd/rt.rs:64
[INFO] [stderr]   20:     0x55deb45a2f13 - std::rt::lang_start_internal::{{closure}}::hbec6d1ff7b00d029
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   21:     0x55deb45a2f13 - std::panicking::try::do_call::h83e51489f66cd002
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   22:     0x55deb45ab68a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   23:     0x55deb45a3a1d - std::panicking::try::hb1deae6a8854c8be
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   24:     0x55deb45a3a1d - std::panic::catch_unwind::hff09c33b8b66b7a2
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   25:     0x55deb45a3a1d - std::rt::lang_start_internal::h01b3f7988e3fe75d
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   26:     0x55deb4372559 - std::rt::lang_start::hfcd69888a45b57d6
[INFO] [stderr]                                at /rustc/18481b65f318e0b4b20c0fc61340054701719d6c/src/libstd/rt.rs:64
[INFO] [stderr]   27:     0x55deb436fe0a - main
[INFO] [stderr]   28:     0x7f0ab83ef2e1 - __libc_start_main
[INFO] [stderr]   29:     0x55deb436c35a - _start
[INFO] [stderr]   30:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3c43c4d339e3be0683812bd909d1a9ca730712377a48edec40d3f6960bd70174"`
[INFO] running `"docker" "rm" "-f" "3c43c4d339e3be0683812bd909d1a9ca730712377a48edec40d3f6960bd70174"`
[INFO] [stdout] 3c43c4d339e3be0683812bd909d1a9ca730712377a48edec40d3f6960bd70174