[INFO] updating cached repository https://github.com/mattjquinn/jcompiler
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 5b1203da26f57edfd516bb7aada3a171ced30064
[INFO] checking mattjquinn/jcompiler against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattjquinn%2Fjcompiler" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattjquinn/jcompiler on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mattjquinn/jcompiler
[INFO] finished tweaking git repo https://github.com/mattjquinn/jcompiler
[INFO] tweaked toml for git repo https://github.com/mattjquinn/jcompiler written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/mattjquinn/jcompiler already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "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] 10c8da3127ed5f1996b9c6dac3a346fff63105c1c5bb0a857f03f0b1f15e35df
[INFO] running `"docker" "start" "-a" "10c8da3127ed5f1996b9c6dac3a346fff63105c1c5bb0a857f03f0b1f15e35df"`
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]     Checking ascii v0.9.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking memchr v2.2.0
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking tinytemplate v1.0.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking rand v0.7.1
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking criterion-plot v0.3.0
[INFO] [stderr]    Compiling pest_meta v2.1.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking quickcheck v0.9.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling llvm-sys v70.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v70.1.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/llvm-sys-0f638be33cca67bd/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-70.1.0/build.rs:73:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5627c7152e74 - backtrace::backtrace::libunwind::trace::h7f6a16d12232c961
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5627c7152e74 - backtrace::backtrace::trace_unsynchronized::h80308da2c2f00997
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5627c7152e74 - std::sys_common::backtrace::_print_fmt::he1209b8ba63c9fd2
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x5627c7152e74 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8daf2ba8ed48f971
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x5627c71716ac - core::fmt::write::hd6c5c9ab01551e29
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1057
[INFO] [stderr]    5:     0x5627c714f1c7 - std::io::Write::write_fmt::h92dca42149c54903
[INFO] [stderr]                                at src/libstd/io/mod.rs:1426
[INFO] [stderr]    6:     0x5627c7155105 - std::sys_common::backtrace::_print::hfc0ffaecef6820ce
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x5627c7155105 - std::sys_common::backtrace::print::hb2f3121d5ded79bb
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x5627c7155105 - std::panicking::default_hook::{{closure}}::h48ee859394646c26
[INFO] [stderr]                                at src/libstd/panicking.rs:195
[INFO] [stderr]    9:     0x5627c7154df1 - std::panicking::default_hook::he04601656067c23b
[INFO] [stderr]                                at src/libstd/panicking.rs:215
[INFO] [stderr]   10:     0x5627c715576a - std::panicking::rust_panic_with_hook::h1a13a61ec549b61a
[INFO] [stderr]                                at src/libstd/panicking.rs:463
[INFO] [stderr]   11:     0x5627c707a07b - std::panicking::begin_panic::h3eb5754ec71bd06c
[INFO] [stderr]                                at /rustc/d27c6c6a469a28343396a8f3ac1c9d403aabda69/src/libstd/panicking.rs:390
[INFO] [stderr]   12:     0x5627c6f14546 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h7e83571471a88383
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:73
[INFO] [stderr]   13:     0x5627c6f14546 - core::ops::function::FnOnce::call_once::hc75e328210ad4229
[INFO] [stderr]                                at /rustc/d27c6c6a469a28343396a8f3ac1c9d403aabda69/src/libcore/ops/function.rs:232
[INFO] [stderr]   14:     0x5627c6f20950 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h5421accd21d37266
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.2.0/src/inline_lazy.rs:28
[INFO] [stderr]   15:     0x5627c6f18287 - std::sync::once::Once::call_once::{{closure}}::h783f439bd513cd13
[INFO] [stderr]                                at /rustc/d27c6c6a469a28343396a8f3ac1c9d403aabda69/src/libstd/sync/once.rs:264
[INFO] [stderr]   16:     0x5627c7152971 - std::sync::once::Once::call_inner::hf52f41a3827c0dde
[INFO] [stderr]                                at src/libstd/sync/once.rs:417
[INFO] [stderr]   17:     0x5627c6f18053 - std::sync::once::Once::call_once::h0d28ddabd228384a
[INFO] [stderr]                                at /rustc/d27c6c6a469a28343396a8f3ac1c9d403aabda69/src/libstd/sync/once.rs:264
[INFO] [stderr]   18:     0x5627c6f10ea5 - lazy_static::lazy::Lazy<T>::get::h665bb01cf8415107
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.2.0/src/inline_lazy.rs:27
[INFO] [stderr]   19:     0x5627c6f10ea5 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::h98203d6bc0b9237a
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/<::lazy_static::__lazy_static_internal macros>:16
[INFO] [stderr]   20:     0x5627c6f10ea5 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h0d1974608483ad6e
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/<::lazy_static::__lazy_static_internal macros>:18
[INFO] [stderr]   21:     0x5627c6f0e8ba - build_script_build::llvm_config::hef88f84cff4cae91
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:167
[INFO] [stderr]   22:     0x5627c6f0fd50 - build_script_build::get_llvm_cflags::h511dc1141bfb9106
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:273
[INFO] [stderr]   23:     0x5627c6f10144 - build_script_build::main::h7326ae83471086e0
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:300
[INFO] [stderr]   24:     0x5627c6f13620 - std::rt::lang_start::{{closure}}::h033f33a2f7285629
[INFO] [stderr]                                at /rustc/d27c6c6a469a28343396a8f3ac1c9d403aabda69/src/libstd/rt.rs:67
[INFO] [stderr]   25:     0x5627c7155233 - std::rt::lang_start_internal::{{closure}}::h3b078c3da4627c97
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   26:     0x5627c7155233 - std::panicking::try::do_call::hf3bd84286ccd6179
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   27:     0x5627c715d8fa - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:79
[INFO] [stderr]   28:     0x5627c7155c10 - std::panicking::try::hcb0fe9f753e69b09
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]   29:     0x5627c7155c10 - std::panic::catch_unwind::h75eb9eb43d127e80
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   30:     0x5627c7155c10 - std::rt::lang_start_internal::hb7f339488e9d1f13
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   31:     0x5627c6f135f9 - std::rt::lang_start::h4e31ebcd6821f439
[INFO] [stderr]                                at /rustc/d27c6c6a469a28343396a8f3ac1c9d403aabda69/src/libstd/rt.rs:67
[INFO] [stderr]   32:     0x5627c6f10f3a - main
[INFO] [stderr]   33:     0x7f90fb0d0b97 - __libc_start_main
[INFO] [stderr]   34:     0x5627c6f0d3ca - _start
[INFO] [stderr]   35:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "10c8da3127ed5f1996b9c6dac3a346fff63105c1c5bb0a857f03f0b1f15e35df"`
[INFO] running `"docker" "rm" "-f" "10c8da3127ed5f1996b9c6dac3a346fff63105c1c5bb0a857f03f0b1f15e35df"`
[INFO] [stdout] 10c8da3127ed5f1996b9c6dac3a346fff63105c1c5bb0a857f03f0b1f15e35df