[INFO] crate jcompiler 0.1.0 is already in cache
[INFO] checking jcompiler-0.1.0 against master#0d2817a439c2ad9fe343f6347eb6d90947893363 for pr-67531
[INFO] extracting crate jcompiler 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate jcompiler 0.1.0 on toolchain 0d2817a439c2ad9fe343f6347eb6d90947893363
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "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-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+0d2817a439c2ad9fe343f6347eb6d90947893363" "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] c7cf468b045b7cc8fd4eee518a7f879f6fe50399e6133e590f445ce055991826
[INFO] running `"docker" "start" "-a" "c7cf468b045b7cc8fd4eee518a7f879f6fe50399e6133e590f445ce055991826"`
[INFO] [stderr]    Compiling llvm-sys v70.2.1
[INFO] [stderr]     Checking quickcheck v0.3.2
[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-9cb4156b34e47ccc/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:     0x55921bdd25b4 - backtrace::backtrace::libunwind::trace::h88f00a8d3895ea10
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55921bdd25b4 - backtrace::backtrace::trace_unsynchronized::h4ca1df924c7b5901
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55921bdd25b4 - std::sys_common::backtrace::_print_fmt::had352bd7b8affceb
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:84
[INFO] [stderr]    3:     0x55921bdd25b4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4404b586f9ddad5f
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]    4:     0x55921bdf2a4c - core::fmt::write::h1ef5ea597ad3e25e
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1057
[INFO] [stderr]    5:     0x55921bdce897 - std::io::Write::write_fmt::h5cbe88edfb9ad8f5
[INFO] [stderr]                                at src/libstd/io/mod.rs:1426
[INFO] [stderr]    6:     0x55921bdd486e - std::sys_common::backtrace::_print::h5d62b222153b0a57
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:65
[INFO] [stderr]    7:     0x55921bdd486e - std::sys_common::backtrace::print::hb580dac9bf29d123
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:50
[INFO] [stderr]    8:     0x55921bdd486e - std::panicking::default_hook::{{closure}}::h072d6b5ce4fd5ca1
[INFO] [stderr]                                at src/libstd/panicking.rs:193
[INFO] [stderr]    9:     0x55921bdd4561 - std::panicking::default_hook::hef4245424db77bd8
[INFO] [stderr]                                at src/libstd/panicking.rs:210
[INFO] [stderr]   10:     0x55921bdd4f4b - std::panicking::rust_panic_with_hook::hf59de39541dfae86
[INFO] [stderr]                                at src/libstd/panicking.rs:471
[INFO] [stderr]   11:     0x55921bd89e77 - std::panicking::begin_panic::h9ba362ac904f0163
[INFO] [stderr]                                at /rustc/0d2817a439c2ad9fe343f6347eb6d90947893363/src/libstd/panicking.rs:404
[INFO] [stderr]   12:     0x55921bb29aae - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::hb3ddad3c58ae3dc9
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.1/build.rs:73
[INFO] [stderr]   13:     0x55921bb29aae - core::ops::function::FnOnce::call_once::h206a990f52294d96
[INFO] [stderr]                                at /rustc/0d2817a439c2ad9fe343f6347eb6d90947893363/src/libcore/ops/function.rs:232
[INFO] [stderr]   14:     0x55921bb36850 - lazy_static::lazy::Lazy<T>::get::{{closure}}::hdd659670a6b54492
[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:     0x55921bb2dbed - std::sync::once::Once::call_once::{{closure}}::h3e77925ce82369c5
[INFO] [stderr]                                at /rustc/0d2817a439c2ad9fe343f6347eb6d90947893363/src/libstd/sync/once.rs:264
[INFO] [stderr]   16:     0x55921bdd20c1 - std::sync::once::Once::call_inner::h3a5fedb1cb161958
[INFO] [stderr]                                at src/libstd/sync/once.rs:417
[INFO] [stderr]   17:     0x55921bb2da13 - std::sync::once::Once::call_once::h04152b553c80a76c
[INFO] [stderr]                                at /rustc/0d2817a439c2ad9fe343f6347eb6d90947893363/src/libstd/sync/once.rs:264
[INFO] [stderr]   18:     0x55921bb26885 - lazy_static::lazy::Lazy<T>::get::hb0082653eedb596e
[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:     0x55921bb26885 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::h8b007976183cc38d
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.1/<::lazy_static::__lazy_static_internal macros>:16
[INFO] [stderr]   20:     0x55921bb26885 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::hae7a99fa54b3ff5c
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.1/<::lazy_static::__lazy_static_internal macros>:18
[INFO] [stderr]   21:     0x55921bb2420a - build_script_build::llvm_config::h0e297cf33f85dbe6
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.1/build.rs:167
[INFO] [stderr]   22:     0x55921bb25650 - build_script_build::get_llvm_cflags::hd82ac26510cf7fe2
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.1/build.rs:273
[INFO] [stderr]   23:     0x55921bb25a24 - build_script_build::main::h339784f82639d7c6
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.1/build.rs:305
[INFO] [stderr]   24:     0x55921bb28f90 - std::rt::lang_start::{{closure}}::hb1d415e28e502e3a
[INFO] [stderr]                                at /rustc/0d2817a439c2ad9fe343f6347eb6d90947893363/src/libstd/rt.rs:67
[INFO] [stderr]   25:     0x55921bdd4993 - std::rt::lang_start_internal::{{closure}}::he22b4dc136dfc0c4
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   26:     0x55921bdd4993 - std::panicking::try::do_call::heddd39178d6a1b25
[INFO] [stderr]                                at src/libstd/panicking.rs:292
[INFO] [stderr]   27:     0x55921bddd1ea - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:78
[INFO] [stderr]   28:     0x55921bdd53e0 - std::panicking::try::h683b5635b76ee763
[INFO] [stderr]                                at src/libstd/panicking.rs:270
[INFO] [stderr]   29:     0x55921bdd53e0 - std::panic::catch_unwind::h9540defe988edc8c
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   30:     0x55921bdd53e0 - std::rt::lang_start_internal::hdc41c8ad82b2f2e3
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   31:     0x55921bb28f69 - std::rt::lang_start::h562df6ed5b9f1fc6
[INFO] [stderr]                                at /rustc/0d2817a439c2ad9fe343f6347eb6d90947893363/src/libstd/rt.rs:67
[INFO] [stderr]   32:     0x55921bb2692a - main
[INFO] [stderr]   33:     0x7fd5483d0b97 - __libc_start_main
[INFO] [stderr]   34:     0x55921bb22daa - _start
[INFO] [stderr]   35:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "c7cf468b045b7cc8fd4eee518a7f879f6fe50399e6133e590f445ce055991826"`
[INFO] running `"docker" "rm" "-f" "c7cf468b045b7cc8fd4eee518a7f879f6fe50399e6133e590f445ce055991826"`
[INFO] [stdout] c7cf468b045b7cc8fd4eee518a7f879f6fe50399e6133e590f445ce055991826