[INFO] cloning repository elipmoc/Ruscall
[INFO] running `"git" "clone" "--bare" "git://github.com/elipmoc/Ruscall.git" "work/cache/sources/gh/elipmoc/Ruscall"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/elipmoc/Ruscall'...
[INFO] running `"git" "clone" "work/cache/sources/gh/elipmoc/Ruscall" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/elipmoc/Ruscall"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/elipmoc/Ruscall'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/elipmoc/Ruscall" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/elipmoc/Ruscall"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/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#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of elipmoc/Ruscall on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-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-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/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-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/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" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking elipmoc/Ruscall against master#9f06855064ed06a50c496577b21ca50f92a2e67d for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-7/master#9f06855064ed06a50c496577b21ca50f92a2e67d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/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" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cf190645607252d3dbe9d2ff336597de8809e338e051f64eb0f635c2747f5ec7
[INFO] running `"docker" "start" "-a" "cf190645607252d3dbe9d2ff336597de8809e338e051f64eb0f635c2747f5ec7"`
[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]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling ruscall v0.6.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling enum-methods v0.0.8
[INFO] [stderr]     Checking combine v3.6.3
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[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-41af758048f55bef/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:     0x55cd42d32c2b - backtrace::backtrace::libunwind::trace::hc6a4966d389b62be
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55cd42d32c2b - backtrace::backtrace::trace_unsynchronized::h234cd6c2c95fa587
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55cd42d32c2b - std::sys_common::backtrace::_print::h2896bece16680b31
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55cd42d32c2b - std::sys_common::backtrace::print::h5f4d4b954705d426
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55cd42d32c2b - std::panicking::default_hook::{{closure}}::h3d52949e2d73c1aa
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x55cd42d3292c - std::panicking::default_hook::h4b88c02cc00064f5
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x55cd42d333a0 - std::panicking::rust_panic_with_hook::he5596ad1952b7279
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x55cd42cc6108 - std::panicking::begin_panic::h14974e3a6bc88297
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/panicking.rs:409
[INFO] [stderr]    8:     0x55cd42b0460a - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::ha8ad802c396d31f9
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.2.0/build.rs:62
[INFO] [stderr]    9:     0x55cd42b0460a - core::ops::function::FnOnce::call_once::hf7b9ad4ac892b2ee
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libcore/ops/function.rs:231
[INFO] [stderr]   10:     0x55cd42b08972 - lazy_static::lazy::Lazy<T>::get::{{closure}}::heecb3925d61fc243
[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:     0x55cd42b08d9b - std::sync::once::Once::call_once::{{closure}}::hf2213574bbd7808b
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/sync/once.rs:225
[INFO] [stderr]   12:     0x55cd42d2ffa6 - std::sync::once::Once::call_inner::h7242226892b2073d
[INFO] [stderr]                                at src/libstd/sync/once.rs:392
[INFO] [stderr]   13:     0x55cd42b08c3d - std::sync::once::Once::call_once::h182db1ceed35d1f6
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/sync/once.rs:225
[INFO] [stderr]   14:     0x55cd42b00362 - lazy_static::lazy::Lazy<T>::get::hcf024a26c24d78eb
[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:     0x55cd42b00362 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::h2ff0682d4ca5c81d
[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:     0x55cd42b00362 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::hee5d405660978a27
[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:     0x55cd42afdbba - build_script_build::llvm_config::h97cd0a5a371527a1
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.2.0/build.rs:149
[INFO] [stderr]   18:     0x55cd42aff6e7 - build_script_build::main::h5855fd7b9ca1d31c
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.2.0/build.rs:285
[INFO] [stderr]   19:     0x55cd42b02bf0 - std::rt::lang_start::{{closure}}::hae4ced3deb772ec4
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/rt.rs:64
[INFO] [stderr]   20:     0x55cd42d32da3 - std::rt::lang_start_internal::{{closure}}::h97d240c87982728f
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   21:     0x55cd42d32da3 - std::panicking::try::do_call::h657ecdd23710c935
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   22:     0x55cd42d3b9ba - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   23:     0x55cd42d338ad - std::panicking::try::h52772d620cb80373
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   24:     0x55cd42d338ad - std::panic::catch_unwind::hac02eb84ea8f3a3e
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   25:     0x55cd42d338ad - std::rt::lang_start_internal::h9fab34d7c96dfdc9
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   26:     0x55cd42b02bc9 - std::rt::lang_start::hf2e341ef7a4c2bc0
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/rt.rs:64
[INFO] [stderr]   27:     0x55cd42b003fa - main
[INFO] [stderr]   28:     0x7fc7868942e1 - __libc_start_main
[INFO] [stderr]   29:     0x55cd42afc94a - _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" "cf190645607252d3dbe9d2ff336597de8809e338e051f64eb0f635c2747f5ec7"`
[INFO] running `"docker" "rm" "-f" "cf190645607252d3dbe9d2ff336597de8809e338e051f64eb0f635c2747f5ec7"`
[INFO] [stdout] cf190645607252d3dbe9d2ff336597de8809e338e051f64eb0f635c2747f5ec7