[INFO] updating cached repository https://github.com/rchaser53/rust-monkey-ir
[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] 202bcb9fae0dfa8cc6357c067e8fa399b76172e8
[INFO] checking rchaser53/rust-monkey-ir against try#00e4530a79c42b21a6ca2ac1edb597c90d21f89f for pr-64672
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust-monkey-ir" "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/rchaser53/rust-monkey-ir on toolchain 00e4530a79c42b21a6ca2ac1edb597c90d21f89f
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rchaser53/rust-monkey-ir
[INFO] finished tweaking git repo https://github.com/rchaser53/rust-monkey-ir
[INFO] tweaked toml for git repo https://github.com/rchaser53/rust-monkey-ir written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/rchaser53/rust-monkey-ir already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "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" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 36c0ef1bcb0440df23a31b2241f63820d9a8a4126c011bc187677c9db80842c4
[INFO] running `"docker" "start" "-a" "36c0ef1bcb0440df23a31b2241f63820d9a8a4126c011bc187677c9db80842c4"`
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling rust-monkey-ir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]    Compiling serde_json v1.0.32
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling llvm-sys v70.0.1
[INFO] [stderr]    Compiling synstructure v0.10.0
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling cargo_metadata v0.6.1
[INFO] [stderr]    Compiling rustc-llvm-proxy v0.1.5
[INFO] [stderr] error: failed to run custom build command for `rustc-llvm-proxy v0.1.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rustc-llvm-proxy-56d5470cf533060b/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:rerun-if-changed=build.rs
[INFO] [stderr] cargo:rerun-if-changed=/opt/rustwide/target/debug/build/rustc-llvm-proxy-9f628b3b3a305702/out/llvm_gen.rs
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'Unable to parse 'llvm-sys' crate: ErrorMessage { msg: "Unable to get crate metadata" }
[INFO] [stderr] 
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55aee8224853 - backtrace::backtrace::libunwind::trace::h09e1f743d4d71631
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/libunwind.rs:53
[INFO] [stderr]                          - backtrace::backtrace::trace::h5df47871e07c29bb
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x55aee82160d3 - backtrace::capture::Backtrace::new_unresolved::h3aedd2a53c6c252c
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x55aee7fbfe8b - failure::backtrace::internal::InternalBacktrace::new::h90da902f9b14dc8f
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x55aee7fbf95c - failure::backtrace::Backtrace::new::h6063a3579a560c7c
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x55aee7f8adfb - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h445b857a1434c573
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/error_impl.rs:19
[INFO] [stderr]    5:     0x55aee7f8c147 - <failure::error::Error as core::convert::From<F>>::from::h560a882b43983ec8
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
[INFO] [stderr]    6:     0x55aee7f8cf95 - failure::error_message::err_msg::h5916ab77bcda9620
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error_message.rs:12
[INFO] [stderr]    7:     0x55aee7f8f448 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::h1ed0518f50e77d48
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:113
[INFO] [stderr]    8:     0x55aee7fbed88 - core::result::Result<T,E>::map_err::h6940560dbf69ad44
[INFO] [stderr]                         at /rustc/00e4530a79c42b21a6ca2ac1edb597c90d21f89f/src/libcore/result.rs:574
[INFO] [stderr]    9:     0x55aee7f8e069 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::hee1ba59d762958d1
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:112
[INFO] [stderr]   10:     0x55aee7f8d128 - build_script_build::llvm::Generator::parse_llvm_sys_crate::ha625314920386b9b
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:80
[INFO] [stderr]   11:     0x55aee7f91fe1 - build_script_build::main::ha629c1a3b4b1335d
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   12:     0x55aee7fba2bf - std::rt::lang_start::{{closure}}::h475b2afc979a5f84
[INFO] [stderr]                         at /rustc/00e4530a79c42b21a6ca2ac1edb597c90d21f89f/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x55aee824de22 - std::rt::lang_start_internal::{{closure}}::he5fcc75ec165f647
[INFO] [stderr]                         at src/libstd/rt.rs:49
[INFO] [stderr]                          - std::panicking::try::do_call::h17d15f6f56248700
[INFO] [stderr]                         at src/libstd/panicking.rs:292
[INFO] [stderr]   14:     0x55aee82543c9 - __rust_maybe_catch_panic
[INFO] [stderr]                         at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   15:     0x55aee824e9ac - std::panicking::try::h788d6f62571352f2
[INFO] [stderr]                         at src/libstd/panicking.rs:271
[INFO] [stderr]                          - std::panic::catch_unwind::h118eae3cc66185af
[INFO] [stderr]                         at src/libstd/panic.rs:394
[INFO] [stderr]                          - std::rt::lang_start_internal::h16dc6aaaeba64bf8
[INFO] [stderr]                         at src/libstd/rt.rs:48
[INFO] [stderr]   16:     0x55aee7fba298 - std::rt::lang_start::haff1d865a7a040d0
[INFO] [stderr]                         at /rustc/00e4530a79c42b21a6ca2ac1edb597c90d21f89f/src/libstd/rt.rs:64
[INFO] [stderr]   17:     0x55aee7f92209 - main
[INFO] [stderr]   18:     0x7f01c092fb96 - __libc_start_main
[INFO] [stderr]   19:     0x55aee7f646d9 - _start
[INFO] [stderr]   20:                0x0 - <unknown>', src/libcore/result.rs:1165:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55aee824b6e4 - backtrace::backtrace::libunwind::trace::h3c0a6ef922927c46
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55aee824b6e4 - backtrace::backtrace::trace_unsynchronized::h35d4e03c0e8ab47a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55aee824b6e4 - std::sys_common::backtrace::_print_fmt::hf04e228d9456a61b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:76
[INFO] [stderr]    3:     0x55aee824b6e4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfbc1dc77dae53d09
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:60
[INFO] [stderr]    4:     0x55aee826deec - core::fmt::write::h37dd608a61cc034b
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1030
[INFO] [stderr]    5:     0x55aee8248957 - std::io::Write::write_fmt::h3b9053b7f45f25c3
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x55aee824dcf5 - std::sys_common::backtrace::_print::h9f196a8ab349c245
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:64
[INFO] [stderr]    7:     0x55aee824dcf5 - std::sys_common::backtrace::print::h24c97bdb42c9567f
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55aee824dcf5 - std::panicking::default_hook::{{closure}}::h1bfa21bfab63e40f
[INFO] [stderr]                                at src/libstd/panicking.rs:196
[INFO] [stderr]    9:     0x55aee824d9e6 - std::panicking::default_hook::hf7ab6a844228b0c0
[INFO] [stderr]                                at src/libstd/panicking.rs:210
[INFO] [stderr]   10:     0x55aee824e3f5 - std::panicking::rust_panic_with_hook::hf49dbf6343540046
[INFO] [stderr]                                at src/libstd/panicking.rs:473
[INFO] [stderr]   11:     0x55aee824df92 - std::panicking::continue_panic_fmt::h8d0c09641c4ad511
[INFO] [stderr]                                at src/libstd/panicking.rs:380
[INFO] [stderr]   12:     0x55aee824de86 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:307
[INFO] [stderr]   13:     0x55aee826ac4a - core::panicking::panic_fmt::h3cbe072dbfab6db9
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   14:     0x55aee826ad47 - core::result::unwrap_failed::hb6a3e335758ca63f
[INFO] [stderr]                                at src/libcore/result.rs:1165
[INFO] [stderr]   15:     0x55aee7fbe740 - core::result::Result<T,E>::expect::hc6e7bd02876ef281
[INFO] [stderr]                                at /rustc/00e4530a79c42b21a6ca2ac1edb597c90d21f89f/src/libcore/result.rs:960
[INFO] [stderr]   16:     0x55aee7f92005 - build_script_build::main::ha629c1a3b4b1335d
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   17:     0x55aee7fba2c0 - std::rt::lang_start::{{closure}}::h475b2afc979a5f84
[INFO] [stderr]                                at /rustc/00e4530a79c42b21a6ca2ac1edb597c90d21f89f/src/libstd/rt.rs:64
[INFO] [stderr]   18:     0x55aee824de23 - std::rt::lang_start_internal::{{closure}}::he5fcc75ec165f647
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   19:     0x55aee824de23 - std::panicking::try::do_call::h17d15f6f56248700
[INFO] [stderr]                                at src/libstd/panicking.rs:292
[INFO] [stderr]   20:     0x55aee82543ca - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   21:     0x55aee824e9ad - std::panicking::try::h788d6f62571352f2
[INFO] [stderr]                                at src/libstd/panicking.rs:271
[INFO] [stderr]   22:     0x55aee824e9ad - std::panic::catch_unwind::h118eae3cc66185af
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x55aee824e9ad - std::rt::lang_start_internal::h16dc6aaaeba64bf8
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   24:     0x55aee7fba299 - std::rt::lang_start::haff1d865a7a040d0
[INFO] [stderr]                                at /rustc/00e4530a79c42b21a6ca2ac1edb597c90d21f89f/src/libstd/rt.rs:64
[INFO] [stderr]   25:     0x55aee7f9220a - main
[INFO] [stderr]   26:     0x7f01c092fb97 - __libc_start_main
[INFO] [stderr]   27:     0x55aee7f646da - _start
[INFO] [stderr]   28:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "36c0ef1bcb0440df23a31b2241f63820d9a8a4126c011bc187677c9db80842c4"`
[INFO] running `"docker" "rm" "-f" "36c0ef1bcb0440df23a31b2241f63820d9a8a4126c011bc187677c9db80842c4"`
[INFO] [stdout] 36c0ef1bcb0440df23a31b2241f63820d9a8a4126c011bc187677c9db80842c4