[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#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust-monkey-ir" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/rust-monkey-ir on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "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-0/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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d44714e5c7a2b44ed205b6813bc96dd986b944671448f4aebdb8a15d47a8f20a
[INFO] running `"docker" "start" "-a" "d44714e5c7a2b44ed205b6813bc96dd986b944671448f4aebdb8a15d47a8f20a"`
[INFO] [stderr]    Compiling rust-monkey-ir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling synstructure v0.10.0
[INFO] [stderr]    Compiling llvm-sys v70.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling failure_derive v0.1.3
[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-cdb7ed1f4f00cd9f/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-a6a69d1ac77b9761/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:     0x56256b8d4583 - backtrace::backtrace::libunwind::trace::hd1883e1b94b6e437
[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::h769adb114089da02
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x56256b8c5b83 - backtrace::capture::Backtrace::new_unresolved::h73ea199810117357
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x56256b66cb1b - failure::backtrace::internal::InternalBacktrace::new::h38e1b974a7dc40fc
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x56256b66c60c - failure::backtrace::Backtrace::new::h38a4105f18aa0129
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x56256b637b2b - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::ha0b5e79c0ba915e0
[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:     0x56256b638d07 - <failure::error::Error as core::convert::From<F>>::from::h899bf39cbb24614b
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
[INFO] [stderr]    6:     0x56256b639b05 - failure::error_message::err_msg::hcd946e506d1a0141
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error_message.rs:12
[INFO] [stderr]    7:     0x56256b63bfb8 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::he50e34fb6344a666
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:113
[INFO] [stderr]    8:     0x56256b66bc08 - core::result::Result<T,E>::map_err::h5658954ab259b20e
[INFO] [stderr]                         at /rustc/e689e5eaefe96e6dc3ed5bb629c521b7d207aff7/src/libcore/result.rs:574
[INFO] [stderr]    9:     0x56256b63abd9 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::hfd44584b24cd7619
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:112
[INFO] [stderr]   10:     0x56256b639c98 - build_script_build::llvm::Generator::parse_llvm_sys_crate::h8fc780a5a521cbd6
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:80
[INFO] [stderr]   11:     0x56256b63eb51 - build_script_build::main::h84f180ea8c70c7f1
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   12:     0x56256b666f0f - std::rt::lang_start::{{closure}}::h1922d5b802ea87c9
[INFO] [stderr]                         at /rustc/e689e5eaefe96e6dc3ed5bb629c521b7d207aff7/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x56256b8fce82 - std::rt::lang_start_internal::{{closure}}::h89bcd519c19d1c00
[INFO] [stderr]                         at src/libstd/rt.rs:49
[INFO] [stderr]                          - std::panicking::try::do_call::h9c0ecf24353b2f6f
[INFO] [stderr]                         at src/libstd/panicking.rs:296
[INFO] [stderr]   14:     0x56256b903429 - __rust_maybe_catch_panic
[INFO] [stderr]                         at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   15:     0x56256b8fda0c - std::panicking::try::h2cce617c236f51a9
[INFO] [stderr]                         at src/libstd/panicking.rs:275
[INFO] [stderr]                          - std::panic::catch_unwind::heee61165154957e1
[INFO] [stderr]                         at src/libstd/panic.rs:394
[INFO] [stderr]                          - std::rt::lang_start_internal::h84ae79bb2f097b77
[INFO] [stderr]                         at src/libstd/rt.rs:48
[INFO] [stderr]   16:     0x56256b666ee8 - std::rt::lang_start::h9b8d94c9c7ca26a9
[INFO] [stderr]                         at /rustc/e689e5eaefe96e6dc3ed5bb629c521b7d207aff7/src/libstd/rt.rs:64
[INFO] [stderr]   17:     0x56256b63ed79 - main
[INFO] [stderr]   18:     0x7f39f927c2e0 - __libc_start_main
[INFO] [stderr]   19:     0x56256b611239 - _start
[INFO] [stderr]   20:                0x0 - <unknown>', src/libcore/result.rs:1165:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x56256b8fa744 - backtrace::backtrace::libunwind::trace::h780d9312b947e32f
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x56256b8fa744 - backtrace::backtrace::trace_unsynchronized::h50fdb9faa9a37c56
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x56256b8fa744 - std::sys_common::backtrace::_print_fmt::h5fd3d374bdc4a419
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x56256b8fa744 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hea77cdef8cfcc21d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]    4:     0x56256b91cf4c - core::fmt::write::h4af900d733d7a583
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1030
[INFO] [stderr]    5:     0x56256b8f79b7 - std::io::Write::write_fmt::h7ad411185b661d1b
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x56256b8fcd55 - std::sys_common::backtrace::_print::h7743f537860b7fc2
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:65
[INFO] [stderr]    7:     0x56256b8fcd55 - std::sys_common::backtrace::print::h539b95bb1c3082e1
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:50
[INFO] [stderr]    8:     0x56256b8fcd55 - std::panicking::default_hook::{{closure}}::hc6479c8b41ede440
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    9:     0x56256b8fca46 - std::panicking::default_hook::hd581ebc9f02a25e1
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]   10:     0x56256b8fd455 - std::panicking::rust_panic_with_hook::h3ef8c012e2c61ebc
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]   11:     0x56256b8fcff2 - std::panicking::continue_panic_fmt::he01939da6a6344bb
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]   12:     0x56256b8fcee6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]   13:     0x56256b919caa - core::panicking::panic_fmt::h1903c7d3685c01f5
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   14:     0x56256b919da7 - core::result::unwrap_failed::h4bf711114442af64
[INFO] [stderr]                                at src/libcore/result.rs:1165
[INFO] [stderr]   15:     0x56256b66b4d0 - core::result::Result<T,E>::expect::he2bc0dc9eb094872
[INFO] [stderr]                                at /rustc/e689e5eaefe96e6dc3ed5bb629c521b7d207aff7/src/libcore/result.rs:960
[INFO] [stderr]   16:     0x56256b63eb75 - build_script_build::main::h84f180ea8c70c7f1
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   17:     0x56256b666f10 - std::rt::lang_start::{{closure}}::h1922d5b802ea87c9
[INFO] [stderr]                                at /rustc/e689e5eaefe96e6dc3ed5bb629c521b7d207aff7/src/libstd/rt.rs:64
[INFO] [stderr]   18:     0x56256b8fce83 - std::rt::lang_start_internal::{{closure}}::h89bcd519c19d1c00
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   19:     0x56256b8fce83 - std::panicking::try::do_call::h9c0ecf24353b2f6f
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   20:     0x56256b90342a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   21:     0x56256b8fda0d - std::panicking::try::h2cce617c236f51a9
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   22:     0x56256b8fda0d - std::panic::catch_unwind::heee61165154957e1
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x56256b8fda0d - std::rt::lang_start_internal::h84ae79bb2f097b77
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   24:     0x56256b666ee9 - std::rt::lang_start::h9b8d94c9c7ca26a9
[INFO] [stderr]                                at /rustc/e689e5eaefe96e6dc3ed5bb629c521b7d207aff7/src/libstd/rt.rs:64
[INFO] [stderr]   25:     0x56256b63ed7a - main
[INFO] [stderr]   26:     0x7f39f927c2e1 - __libc_start_main
[INFO] [stderr]   27:     0x56256b61123a - _start
[INFO] [stderr]   28:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "d44714e5c7a2b44ed205b6813bc96dd986b944671448f4aebdb8a15d47a8f20a"`
[INFO] running `"docker" "rm" "-f" "d44714e5c7a2b44ed205b6813bc96dd986b944671448f4aebdb8a15d47a8f20a"`
[INFO] [stdout] d44714e5c7a2b44ed205b6813bc96dd986b944671448f4aebdb8a15d47a8f20a