[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#fe6d05a8b32f5c66c427ca524dbcce5a7145f87e for pr-64327
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxj5470%2Fpest-ik" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zxj5470/pest-ik on toolchain fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-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-4/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" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/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" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3ba31cc7b0551c0c33d538f89cd758dab91e044aa3a39c7b43207c14703f2b29
[INFO] running `"docker" "start" "-a" "3ba31cc7b0551c0c33d538f89cd758dab91e044aa3a39c7b43207c14703f2b29"`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[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 syn v0.15.34
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling cc v1.0.37
[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 aho-corasick v0.7.3
[INFO] [stderr]    Compiling quote v0.6.12
[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-c14d8a161d16dfaf/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:     0x5572d73adea4 - backtrace::backtrace::libunwind::trace::h7b2a6b74301d37f0
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5572d73adea4 - backtrace::backtrace::trace_unsynchronized::h89a5cf99a9618766
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5572d73adea4 - std::sys_common::backtrace::_print_fmt::h33a2346af837f531
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x5572d73adea4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4f658ab4e42d366e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]    4:     0x5572d73ce84c - core::fmt::write::hd5bbaf3e01e48326
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1030
[INFO] [stderr]    5:     0x5572d73a9f27 - std::io::Write::write_fmt::h6193b508653ddcc9
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x5572d73b04f5 - std::sys_common::backtrace::_print::he914b53d7a09a78d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:65
[INFO] [stderr]    7:     0x5572d73b04f5 - std::sys_common::backtrace::print::h92a8cb6723718f63
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:50
[INFO] [stderr]    8:     0x5572d73b04f5 - std::panicking::default_hook::{{closure}}::hf505e0d7e2ecd403
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    9:     0x5572d73b01e6 - std::panicking::default_hook::hc6772d9600f23c72
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]   10:     0x5572d73b0bf5 - std::panicking::rust_panic_with_hook::h7372d52cdbd74b87
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]   11:     0x5572d731f2e5 - std::panicking::begin_panic::h371bb2ba4e1ad939
[INFO] [stderr]                                at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libstd/panicking.rs:411
[INFO] [stderr]   12:     0x5572d70fab50 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::hc47c17d6a3c89d38
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.0/build.rs:73
[INFO] [stderr]   13:     0x5572d70fab50 - core::ops::function::FnOnce::call_once::ha49a429627e0b639
[INFO] [stderr]                                at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libcore/ops/function.rs:227
[INFO] [stderr]   14:     0x5572d70f7c9f - lazy_static::lazy::Lazy<T>::get::{{closure}}::h6d492648304708f5
[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:     0x5572d70f837b - std::sync::once::Once::call_once::{{closure}}::h425473717497636f
[INFO] [stderr]                                at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libstd/sync/once.rs:225
[INFO] [stderr]   16:     0x5572d73ad9c8 - std::sync::once::Once::call_inner::ha93cd0d56665d4a7
[INFO] [stderr]                                at src/libstd/sync/once.rs:392
[INFO] [stderr]   17:     0x5572d70f82c3 - std::sync::once::Once::call_once::hf4ab4e692e969aae
[INFO] [stderr]                                at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libstd/sync/once.rs:225
[INFO] [stderr]   18:     0x5572d710f1d5 - lazy_static::lazy::Lazy<T>::get::h6a2a401d64f39900
[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:     0x5572d710f1d5 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::h3559212e5454e85f
[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:     0x5572d710f1d5 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::hfce84ae426687dbe
[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:     0x5572d710c8ca - build_script_build::llvm_config::haa6a0c6bc522247b
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.0/build.rs:167
[INFO] [stderr]   22:     0x5572d710df40 - build_script_build::get_llvm_cflags::hfafd6a4e0a527101
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.0/build.rs:273
[INFO] [stderr]   23:     0x5572d710e33e - build_script_build::main::h10996cdfec52b4e0
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.0/build.rs:305
[INFO] [stderr]   24:     0x5572d70f7de0 - std::rt::lang_start::{{closure}}::h3bf7bda1fb947f04
[INFO] [stderr]                                at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libstd/rt.rs:64
[INFO] [stderr]   25:     0x5572d73b0623 - std::rt::lang_start_internal::{{closure}}::h9d96e46706cace5b
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   26:     0x5572d73b0623 - std::panicking::try::do_call::h35d84c71f56bf844
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   27:     0x5572d73b8b6a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   28:     0x5572d73b10ed - std::panicking::try::h2c16ac107e4a3736
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   29:     0x5572d73b10ed - std::panic::catch_unwind::h61680e437015f378
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   30:     0x5572d73b10ed - std::rt::lang_start_internal::h9e089243f326ffce
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   31:     0x5572d70f7db9 - std::rt::lang_start::h922115f0ff811252
[INFO] [stderr]                                at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libstd/rt.rs:64
[INFO] [stderr]   32:     0x5572d710f25a - main
[INFO] [stderr]   33:     0x7f97a16e4b97 - __libc_start_main
[INFO] [stderr]   34:     0x5572d70f74fa - _start
[INFO] [stderr]   35:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "3ba31cc7b0551c0c33d538f89cd758dab91e044aa3a39c7b43207c14703f2b29"`
[INFO] running `"docker" "rm" "-f" "3ba31cc7b0551c0c33d538f89cd758dab91e044aa3a39c7b43207c14703f2b29"`
[INFO] [stdout] 3ba31cc7b0551c0c33d538f89cd758dab91e044aa3a39c7b43207c14703f2b29