[INFO] crate jcompiler 0.1.0 is already in cache
[INFO] checking jcompiler-0.1.0 against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] extracting crate jcompiler 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate jcompiler 0.1.0 on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate jcompiler 0.1.0
[INFO] finished tweaking crates.io crate jcompiler 0.1.0
[INFO] tweaked toml for crates.io crate jcompiler 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 139a44b92c43de18dce18ef6bf7ea90761c5dfecc6fb11418f0f9c0dfd7d4f53
[INFO] running `"docker" "start" "-a" "139a44b92c43de18dce18ef6bf7ea90761c5dfecc6fb11418f0f9c0dfd7d4f53"`
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling llvm-sys v70.2.1
[INFO] [stderr]     Checking quickcheck v0.3.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v70.2.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/llvm-sys-74ee51cedbc9db8d/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Found LLVM version 6.0.0 on PATH, but need 7.0.1.
[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-70.2.1/build.rs:73:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5590fd5ece24 - backtrace::backtrace::libunwind::trace::h6e17b062984af3e8
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x5590fd5ece24 - backtrace::backtrace::trace_unsynchronized::h8e8466cf6548b0a1
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5590fd5ece24 - std::sys_common::backtrace::_print_fmt::h8b68822dc1659286
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x5590fd5ece24 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h88b6471123f77ef0
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x5590fd612edc - core::fmt::write::h94d2034151aba49c
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x5590fd5e8f73 - std::io::Write::write_fmt::h6fc26f6b5b7be1bb
[INFO] [stderr]                                at src/libstd/io/mod.rs:1504
[INFO] [stderr]    6:     0x5590fd5ef6e5 - std::sys_common::backtrace::_print::hba484280b1d7576c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x5590fd5ef6e5 - std::sys_common::backtrace::print::h57e28f7caf9bd6c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x5590fd5ef6e5 - std::panicking::default_hook::{{closure}}::h32a487ca417fdc4e
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x5590fd5ef422 - std::panicking::default_hook::hc39090d3c371f581
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x5590fd5efd42 - std::panicking::rust_panic_with_hook::h7e4d6ca2da996f73
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x5590fd4897f1 - std::panicking::begin_panic::h0ae75e4c9f97d670
[INFO] [stderr]                                at /rustc/8a5e87609850cdd8679aada01eb0f3062f254ca8/src/libstd/panicking.rs:438
[INFO] [stderr]   12:     0x5590fd35d0c5 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h5ad9c38da760ae7d
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.1/build.rs:73
[INFO] [stderr]   13:     0x5590fd35d0c5 - core::ops::function::FnOnce::call_once::ha38fb335aae7600d
[INFO] [stderr]                                at /rustc/8a5e87609850cdd8679aada01eb0f3062f254ca8/src/libcore/ops/function.rs:232
[INFO] [stderr]   14:     0x5590fd3677ab - lazy_static::lazy::Lazy<T>::get::{{closure}}::ha727ee04ad7476bf
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:31
[INFO] [stderr]   15:     0x5590fd35f112 - std::sync::once::Once::call_once::{{closure}}::hdcdc4e07b16fbddb
[INFO] [stderr]                                at /rustc/8a5e87609850cdd8679aada01eb0f3062f254ca8/src/libstd/sync/once.rs:264
[INFO] [stderr]   16:     0x5590fd5ec8b8 - std::sync::once::Once::call_inner::h1788b41a186f0748
[INFO] [stderr]                                at src/libstd/sync/once.rs:416
[INFO] [stderr]   17:     0x5590fd35ee53 - std::sync::once::Once::call_once::h679d18ce2d6a718f
[INFO] [stderr]                                at /rustc/8a5e87609850cdd8679aada01eb0f3062f254ca8/src/libstd/sync/once.rs:264
[INFO] [stderr]   18:     0x5590fd358d35 - lazy_static::lazy::Lazy<T>::get::he5cd09663d5931ff
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:30
[INFO] [stderr]   19:     0x5590fd358d35 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::hfd2fe585e14efe81
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:142
[INFO] [stderr]   20:     0x5590fd358d35 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h0cb305463e7e3999
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:144
[INFO] [stderr]   21:     0x5590fd356834 - build_script_build::llvm_config::h17d19d651bb0b8b4
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.1/build.rs:167
[INFO] [stderr]   22:     0x5590fd357bc0 - build_script_build::get_llvm_cflags::hf2907253ec512243
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.1/build.rs:273
[INFO] [stderr]   23:     0x5590fd357fa4 - build_script_build::main::hbc5f194b457bd357
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.1/build.rs:305
[INFO] [stderr]   24:     0x5590fd35c08b - std::rt::lang_start::{{closure}}::h99a17a4cbd472201
[INFO] [stderr]                                at /rustc/8a5e87609850cdd8679aada01eb0f3062f254ca8/src/libstd/rt.rs:67
[INFO] [stderr]   25:     0x5590fd5f0188 - std::rt::lang_start_internal::{{closure}}::h44f983614a45c0ee
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   26:     0x5590fd5f0188 - std::panicking::try::do_call::hc8977591a8cf0af7
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   27:     0x5590fd5f0188 - std::panicking::try::haa2790657feac5c7
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   28:     0x5590fd5f0188 - std::panic::catch_unwind::hb657324443ad5ddd
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   29:     0x5590fd5f0188 - std::rt::lang_start_internal::h1fc8fe15552816a9
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   30:     0x5590fd35c067 - std::rt::lang_start::he8944eb533ac9da7
[INFO] [stderr]                                at /rustc/8a5e87609850cdd8679aada01eb0f3062f254ca8/src/libstd/rt.rs:67
[INFO] [stderr]   31:     0x5590fd358dca - main
[INFO] [stderr]   32:     0x7f0925468b97 - __libc_start_main
[INFO] [stderr]   33:     0x5590fd3554aa - _start
[INFO] [stderr]   34:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "139a44b92c43de18dce18ef6bf7ea90761c5dfecc6fb11418f0f9c0dfd7d4f53"`
[INFO] running `"docker" "rm" "-f" "139a44b92c43de18dce18ef6bf7ea90761c5dfecc6fb11418f0f9c0dfd7d4f53"`
[INFO] [stdout] 139a44b92c43de18dce18ef6bf7ea90761c5dfecc6fb11418f0f9c0dfd7d4f53