[INFO] updating cached repository https://github.com/rchaser53/rust-monkey-ir
[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] 202bcb9fae0dfa8cc6357c067e8fa399b76172e8
[INFO] checking rchaser53/rust-monkey-ir against try#3ae4c050387df9f7fbb379ee90ce8bf05e566870 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust-monkey-ir" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/rust-monkey-ir on toolchain 3ae4c050387df9f7fbb379ee90ce8bf05e566870
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "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 /workspace/builds/worker-4/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 `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "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] 5865a103d9320113fb0b0dbb2b8e289cb23fe4f3ffa4bd31ebe41199fd2fdd45
[INFO] running `"docker" "start" "-a" "5865a103d9320113fb0b0dbb2b8e289cb23fe4f3ffa4bd31ebe41199fd2fdd45"`
[INFO] [stderr]    Compiling rust-monkey-ir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[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 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-5b247d1ae997770c/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-7016532504376c6c/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:     0x55791853a183 - backtrace::backtrace::libunwind::trace::h31795d94cfcb26ce
[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::hd442a42018c045e1
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x557918536433 - backtrace::capture::Backtrace::new_unresolved::hf2b842d355c59e5e
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x55791832a8fd - failure::backtrace::internal::InternalBacktrace::new::ha02480c107adfd71
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x5579183295bc - failure::backtrace::Backtrace::new::h08c653b0a6b3b6dd
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x5579182f318b - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h4736ad86c4e9f67e
[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:     0x557918300bc7 - <failure::error::Error as core::convert::From<F>>::from::hfc50e2f1c940896f
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
[INFO] [stderr]    6:     0x5579182fe305 - failure::error_message::err_msg::hdae26abe1d0a6860
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error_message.rs:12
[INFO] [stderr]    7:     0x5579182f9cc5 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::ha08b4ad47b1d25b1
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:113
[INFO] [stderr]    8:     0x55791831f9bc - core::result::Result<T,E>::map_err::h26dccabbb7cc87fe
[INFO] [stderr]                         at /rustc/3ae4c050387df9f7fbb379ee90ce8bf05e566870/src/libcore/result.rs:612
[INFO] [stderr]    9:     0x5579182f8999 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::hc23f85e4f6d08e4c
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:112
[INFO] [stderr]   10:     0x5579182f7c78 - build_script_build::llvm::Generator::parse_llvm_sys_crate::h08b833c3e56f4dc7
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:80
[INFO] [stderr]   11:     0x5579182f364c - build_script_build::main::he2a34c631dadbb6b
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   12:     0x5579182fee9a - std::rt::lang_start::{{closure}}::h71c9a0158dc104da
[INFO] [stderr]                         at /rustc/3ae4c050387df9f7fbb379ee90ce8bf05e566870/src/libstd/rt.rs:67
[INFO] [stderr]   13:     0x55791856b817 - std::rt::lang_start_internal::{{closure}}::h1318542af918f4c3
[INFO] [stderr]                         at src/libstd/rt.rs:52
[INFO] [stderr]                          - std::panicking::try::do_call::h22a55f61af97d97a
[INFO] [stderr]                         at src/libstd/panicking.rs:331
[INFO] [stderr]                          - std::panicking::try::h379f96f302679446
[INFO] [stderr]                         at src/libstd/panicking.rs:274
[INFO] [stderr]                          - std::panic::catch_unwind::h0a3e332d950e369f
[INFO] [stderr]                         at src/libstd/panic.rs:394
[INFO] [stderr]                          - std::rt::lang_start_internal::h7e2f02b700016c99
[INFO] [stderr]                         at src/libstd/rt.rs:51
[INFO] [stderr]   14:     0x5579182fee76 - std::rt::lang_start::hdc3c348fbcabfe65
[INFO] [stderr]                         at /rustc/3ae4c050387df9f7fbb379ee90ce8bf05e566870/src/libstd/rt.rs:67
[INFO] [stderr]   15:     0x5579182f38a9 - main
[INFO] [stderr]   16:     0x7f31a252eb96 - __libc_start_main
[INFO] [stderr]   17:     0x5579182dda99 - _start
[INFO] [stderr]   18:                0x0 - <unknown>', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x557918568474 - backtrace::backtrace::libunwind::trace::h0e3d041735dd3c36
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x557918568474 - backtrace::backtrace::trace_unsynchronized::hf661c3539475c479
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x557918568474 - std::sys_common::backtrace::_print_fmt::h7e5d3849e201f6ea
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x557918568474 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h08f9193b217d15de
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55791859000c - core::fmt::write::h8f758020ef45663a
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x5579185656b3 - std::io::Write::write_fmt::ha2788daa3b0524bb
[INFO] [stderr]                                at src/libstd/io/mod.rs:1439
[INFO] [stderr]    6:     0x55791856aca5 - std::sys_common::backtrace::_print::h5d5ed42d936ac6f5
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55791856aca5 - std::sys_common::backtrace::print::h7a9fa55a14f6ae07
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55791856aca5 - std::panicking::default_hook::{{closure}}::hdbcb496daaaedb20
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55791856a9e2 - std::panicking::default_hook::h78dd6ded32a6b9f4
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x55791856b302 - std::panicking::rust_panic_with_hook::hbaa57fe2fb2cee10
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x55791856aeeb - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x55791858ea31 - core::panicking::panic_fmt::h69da511deac721a1
[INFO] [stderr]                                at src/libcore/panicking.rs:111
[INFO] [stderr]   13:     0x55791858e853 - core::option::expect_none_failed::h0605cdd7e01868c7
[INFO] [stderr]                                at src/libcore/option.rs:1268
[INFO] [stderr]   14:     0x55791831f3a0 - core::result::Result<T,E>::expect::h3e3f5df3270a8b1f
[INFO] [stderr]                                at /rustc/3ae4c050387df9f7fbb379ee90ce8bf05e566870/src/libcore/result.rs:963
[INFO] [stderr]   15:     0x5579182f3677 - build_script_build::main::he2a34c631dadbb6b
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   16:     0x5579182fee9b - std::rt::lang_start::{{closure}}::h71c9a0158dc104da
[INFO] [stderr]                                at /rustc/3ae4c050387df9f7fbb379ee90ce8bf05e566870/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55791856b818 - std::rt::lang_start_internal::{{closure}}::h1318542af918f4c3
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x55791856b818 - std::panicking::try::do_call::h22a55f61af97d97a
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   19:     0x55791856b818 - std::panicking::try::h379f96f302679446
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   20:     0x55791856b818 - std::panic::catch_unwind::h0a3e332d950e369f
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x55791856b818 - std::rt::lang_start_internal::h7e2f02b700016c99
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x5579182fee77 - std::rt::lang_start::hdc3c348fbcabfe65
[INFO] [stderr]                                at /rustc/3ae4c050387df9f7fbb379ee90ce8bf05e566870/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x5579182f38aa - main
[INFO] [stderr]   24:     0x7f31a252eb97 - __libc_start_main
[INFO] [stderr]   25:     0x5579182dda9a - _start
[INFO] [stderr]   26:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "5865a103d9320113fb0b0dbb2b8e289cb23fe4f3ffa4bd31ebe41199fd2fdd45"`
[INFO] running `"docker" "rm" "-f" "5865a103d9320113fb0b0dbb2b8e289cb23fe4f3ffa4bd31ebe41199fd2fdd45"`
[INFO] [stdout] 5865a103d9320113fb0b0dbb2b8e289cb23fe4f3ffa4bd31ebe41199fd2fdd45