[INFO] updating cached repository https://github.com/zxj5470/pest-ik
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 00b3d257ea288ed685d4bd43429ad91777d5ed2e
[INFO] checking zxj5470/pest-ik against master#9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7 for pr-64564
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxj5470%2Fpest-ik" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zxj5470/pest-ik on toolchain 9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zxj5470/pest-ik
[INFO] finished tweaking git repo https://github.com/zxj5470/pest-ik
[INFO] tweaked toml for git repo https://github.com/zxj5470/pest-ik written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/zxj5470/pest-ik already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6fbbf74051de6dd8f51af75385ef601ccd6504d1c35ea41badd0ad99eac4829f
[INFO] running `"docker" "start" "-a" "6fbbf74051de6dd8f51af75385ef601ccd6504d1c35ea41badd0ad99eac4829f"`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling llvm-sys v70.2.0
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v70.2.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/llvm-sys-0e1d7d0747975f14/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Found LLVM version 6.0.0 on PATH, but need 7.0.0.
[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_70_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/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.0/build.rs:73:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55eff3f74b04 - backtrace::backtrace::libunwind::trace::h3c777145747bb537
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55eff3f74b04 - backtrace::backtrace::trace_unsynchronized::h66b9e4a5d8dcdac1
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55eff3f74b04 - std::sys_common::backtrace::_print_fmt::h67af8761982571ce
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:76
[INFO] [stderr]    3:     0x55eff3f74b04 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd2414c318764e035
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:60
[INFO] [stderr]    4:     0x55eff3f954ac - core::fmt::write::h6b1d9e7d0caf83ef
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1030
[INFO] [stderr]    5:     0x55eff3f70b97 - std::io::Write::write_fmt::h7d23ef4c2e86d894
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x55eff3f77155 - std::sys_common::backtrace::_print::h95f9ce51820bb860
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:64
[INFO] [stderr]    7:     0x55eff3f77155 - std::sys_common::backtrace::print::h60cdacab02cba05c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55eff3f77155 - std::panicking::default_hook::{{closure}}::hd6f0e16d93b9b5c8
[INFO] [stderr]                                at src/libstd/panicking.rs:196
[INFO] [stderr]    9:     0x55eff3f76e46 - std::panicking::default_hook::hd45736b469c8d928
[INFO] [stderr]                                at src/libstd/panicking.rs:210
[INFO] [stderr]   10:     0x55eff3f77855 - std::panicking::rust_panic_with_hook::hcc17bc0996b76a4c
[INFO] [stderr]                                at src/libstd/panicking.rs:473
[INFO] [stderr]   11:     0x55eff3ee6885 - std::panicking::begin_panic::h6545223ae89a101a
[INFO] [stderr]                                at /rustc/9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7/src/libstd/panicking.rs:407
[INFO] [stderr]   12:     0x55eff3cc0300 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h200a62444ad4e949
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.0/build.rs:73
[INFO] [stderr]   13:     0x55eff3cc0300 - core::ops::function::FnOnce::call_once::hf56a038e26b8d69b
[INFO] [stderr]                                at /rustc/9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7/src/libcore/ops/function.rs:227
[INFO] [stderr]   14:     0x55eff3cbd06f - lazy_static::lazy::Lazy<T>::get::{{closure}}::hd43e85941037ffb4
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:28
[INFO] [stderr]   15:     0x55eff3cbd75b - std::sync::once::Once::call_once::{{closure}}::h40675c42b9331a40
[INFO] [stderr]                                at /rustc/9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7/src/libstd/sync/once.rs:225
[INFO] [stderr]   16:     0x55eff3f74628 - std::sync::once::Once::call_inner::he9abd1534acf5c5b
[INFO] [stderr]                                at src/libstd/sync/once.rs:392
[INFO] [stderr]   17:     0x55eff3cbd583 - std::sync::once::Once::call_once::h4e134b21d1cce702
[INFO] [stderr]                                at /rustc/9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7/src/libstd/sync/once.rs:225
[INFO] [stderr]   18:     0x55eff3cd44c5 - lazy_static::lazy::Lazy<T>::get::hd352667c338a5409
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:27
[INFO] [stderr]   19:     0x55eff3cd44c5 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::h64553f0705151d83
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.0/<::lazy_static::__lazy_static_internal macros>:16
[INFO] [stderr]   20:     0x55eff3cd44c5 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h242d2060ba2999c5
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.0/<::lazy_static::__lazy_static_internal macros>:18
[INFO] [stderr]   21:     0x55eff3cd1bba - build_script_build::llvm_config::he032e7afa5c55c69
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.0/build.rs:167
[INFO] [stderr]   22:     0x55eff3cd3230 - build_script_build::get_llvm_cflags::hf5b42f64b0b5f50f
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.0/build.rs:273
[INFO] [stderr]   23:     0x55eff3cd362e - build_script_build::main::h9b334a0587bbf1c2
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.0/build.rs:305
[INFO] [stderr]   24:     0x55eff3cbd200 - std::rt::lang_start::{{closure}}::he03ef68307d6de8b
[INFO] [stderr]                                at /rustc/9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7/src/libstd/rt.rs:64
[INFO] [stderr]   25:     0x55eff3f77283 - std::rt::lang_start_internal::{{closure}}::h677067c06c8055b2
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   26:     0x55eff3f77283 - std::panicking::try::do_call::h02b31030ec0cae5e
[INFO] [stderr]                                at src/libstd/panicking.rs:292
[INFO] [stderr]   27:     0x55eff3f7f7ca - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   28:     0x55eff3f77d4d - std::panicking::try::h3d608dc302373513
[INFO] [stderr]                                at src/libstd/panicking.rs:271
[INFO] [stderr]   29:     0x55eff3f77d4d - std::panic::catch_unwind::hbd3bc0654419de57
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   30:     0x55eff3f77d4d - std::rt::lang_start_internal::hb18b97680fa7fcd0
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   31:     0x55eff3cbd1d9 - std::rt::lang_start::h40198c6ddf23fbac
[INFO] [stderr]                                at /rustc/9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7/src/libstd/rt.rs:64
[INFO] [stderr]   32:     0x55eff3cd454a - main
[INFO] [stderr]   33:     0x7f81d678bb97 - __libc_start_main
[INFO] [stderr]   34:     0x55eff3cbc91a - _start
[INFO] [stderr]   35:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "6fbbf74051de6dd8f51af75385ef601ccd6504d1c35ea41badd0ad99eac4829f"`
[INFO] running `"docker" "rm" "-f" "6fbbf74051de6dd8f51af75385ef601ccd6504d1c35ea41badd0ad99eac4829f"`
[INFO] [stdout] 6fbbf74051de6dd8f51af75385ef601ccd6504d1c35ea41badd0ad99eac4829f