[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#5e633973aa9255a88b65a39484627bb54e6044b3 for pr-66063
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust-monkey-ir" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/rust-monkey-ir on toolchain 5e633973aa9255a88b65a39484627bb54e6044b3
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "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-5/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" "+5e633973aa9255a88b65a39484627bb54e6044b3" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=allow" "-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" "+5e633973aa9255a88b65a39484627bb54e6044b3" "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] 243b99a1e6a8b4298537957511e80fceac260febd21d400b95073a81d2d7b99a
[INFO] running `"docker" "start" "-a" "243b99a1e6a8b4298537957511e80fceac260febd21d400b95073a81d2d7b99a"`
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling rust-monkey-ir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling synstructure v0.10.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling cargo_metadata v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling rustc-llvm-proxy v0.1.5
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling llvm-sys v70.0.1
[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-1859e5f2a69f2049/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-7371c3472cd5274e/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:     0x55ce1a536d73 - backtrace::backtrace::libunwind::trace::haf09c35b193f9927
[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::hd84db54ad3817df3
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x55ce1a528223 - backtrace::capture::Backtrace::new_unresolved::h4f86e30ed31406a7
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x55ce1a2d3acb - failure::backtrace::internal::InternalBacktrace::new::ha01117c2aad240f2
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x55ce1a2d349c - failure::backtrace::Backtrace::new::h3588abf2f7bae789
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x55ce1a2a029b - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h6ece65217b4139e5
[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:     0x55ce1a29fd87 - <failure::error::Error as core::convert::From<F>>::from::h1e1205c275419bd4
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
[INFO] [stderr]    6:     0x55ce1a29fec5 - failure::error_message::err_msg::h9258e3621f569952
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error_message.rs:12
[INFO] [stderr]    7:     0x55ce1a2a2768 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::h2a43002789b4520a
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:113
[INFO] [stderr]    8:     0x55ce1a2d2978 - core::result::Result<T,E>::map_err::h4d20b90dd3b42f02
[INFO] [stderr]                         at /rustc/5e633973aa9255a88b65a39484627bb54e6044b3/src/libcore/result.rs:574
[INFO] [stderr]    9:     0x55ce1a2a1389 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::hf3a24967b21abff8
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:112
[INFO] [stderr]   10:     0x55ce1a2a0448 - build_script_build::llvm::Generator::parse_llvm_sys_crate::h0cb5f5ec0fc21062
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:80
[INFO] [stderr]   11:     0x55ce1a2a66a1 - build_script_build::main::h8fff7ab96cfb12dc
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   12:     0x55ce1a2904bf - std::rt::lang_start::{{closure}}::h379cd59755c2d40f
[INFO] [stderr]                         at /rustc/5e633973aa9255a88b65a39484627bb54e6044b3/src/libstd/rt.rs:61
[INFO] [stderr]   13:     0x55ce1a55e742 - std::rt::lang_start_internal::{{closure}}::hf008733c03a14083
[INFO] [stderr]                         at src/libstd/rt.rs:48
[INFO] [stderr]                          - std::panicking::try::do_call::hb7fbde37ae97e7fe
[INFO] [stderr]                         at src/libstd/panicking.rs:287
[INFO] [stderr]   14:     0x55ce1a564bc9 - __rust_maybe_catch_panic
[INFO] [stderr]                         at src/libpanic_unwind/lib.rs:83
[INFO] [stderr]   15:     0x55ce1a55f2bc - std::panicking::try::h79a79d869e06ace7
[INFO] [stderr]                         at src/libstd/panicking.rs:265
[INFO] [stderr]                          - std::panic::catch_unwind::h428abb27e7ddef2d
[INFO] [stderr]                         at src/libstd/panic.rs:396
[INFO] [stderr]                          - std::rt::lang_start_internal::hb860b89a1e78b084
[INFO] [stderr]                         at src/libstd/rt.rs:47
[INFO] [stderr]   16:     0x55ce1a290498 - std::rt::lang_start::hf590edaae3db4985
[INFO] [stderr]                         at /rustc/5e633973aa9255a88b65a39484627bb54e6044b3/src/libstd/rt.rs:61
[INFO] [stderr]   17:     0x55ce1a2a68c9 - main
[INFO] [stderr]   18:     0x7fc78ccdcb96 - __libc_start_main
[INFO] [stderr]   19:     0x55ce1a275039 - _start
[INFO] [stderr]   20:                0x0 - <unknown>', src/libcore/result.rs:1165:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55ce1a55bfe4 - backtrace::backtrace::libunwind::trace::h10670797ed121b68
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55ce1a55bfe4 - backtrace::backtrace::trace_unsynchronized::hf5a38e033ae2a818
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55ce1a55bfe4 - std::sys_common::backtrace::_print_fmt::h0b0e2af5a9deb4cb
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x55ce1a55bfe4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h09f90ebbbcc94e48
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]    4:     0x55ce1a57e6bc - core::fmt::write::h9adf6958464578db
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1028
[INFO] [stderr]    5:     0x55ce1a5592c7 - std::io::Write::write_fmt::h9297c47d062dfa6b
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x55ce1a55e61e - std::sys_common::backtrace::_print::h128f57eaf6d3b811
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:65
[INFO] [stderr]    7:     0x55ce1a55e61e - std::sys_common::backtrace::print::h84624ec5a0a67ad0
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:50
[INFO] [stderr]    8:     0x55ce1a55e61e - std::panicking::default_hook::{{closure}}::h0a87be176a63bd0d
[INFO] [stderr]                                at src/libstd/panicking.rs:188
[INFO] [stderr]    9:     0x55ce1a55e311 - std::panicking::default_hook::h18557876266abded
[INFO] [stderr]                                at src/libstd/panicking.rs:205
[INFO] [stderr]   10:     0x55ce1a55ed1b - std::panicking::rust_panic_with_hook::h86f942b22e4cd4d1
[INFO] [stderr]                                at src/libstd/panicking.rs:464
[INFO] [stderr]   11:     0x55ce1a55e8be - std::panicking::continue_panic_fmt::h413d84a12c70f380
[INFO] [stderr]                                at src/libstd/panicking.rs:373
[INFO] [stderr]   12:     0x55ce1a55e7a6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:302
[INFO] [stderr]   13:     0x55ce1a57b4be - core::panicking::panic_fmt::h6bd70f2c54874310
[INFO] [stderr]                                at src/libcore/panicking.rs:139
[INFO] [stderr]   14:     0x55ce1a57b5b7 - core::result::unwrap_failed::hbdccc63bc2edce36
[INFO] [stderr]                                at src/libcore/result.rs:1165
[INFO] [stderr]   15:     0x55ce1a2d2220 - core::result::Result<T,E>::expect::hb3bf54fc6c16c000
[INFO] [stderr]                                at /rustc/5e633973aa9255a88b65a39484627bb54e6044b3/src/libcore/result.rs:960
[INFO] [stderr]   16:     0x55ce1a2a66c5 - build_script_build::main::h8fff7ab96cfb12dc
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   17:     0x55ce1a2904c0 - std::rt::lang_start::{{closure}}::h379cd59755c2d40f
[INFO] [stderr]                                at /rustc/5e633973aa9255a88b65a39484627bb54e6044b3/src/libstd/rt.rs:61
[INFO] [stderr]   18:     0x55ce1a55e743 - std::rt::lang_start_internal::{{closure}}::hf008733c03a14083
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   19:     0x55ce1a55e743 - std::panicking::try::do_call::hb7fbde37ae97e7fe
[INFO] [stderr]                                at src/libstd/panicking.rs:287
[INFO] [stderr]   20:     0x55ce1a564bca - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:83
[INFO] [stderr]   21:     0x55ce1a55f2bd - std::panicking::try::h79a79d869e06ace7
[INFO] [stderr]                                at src/libstd/panicking.rs:265
[INFO] [stderr]   22:     0x55ce1a55f2bd - std::panic::catch_unwind::h428abb27e7ddef2d
[INFO] [stderr]                                at src/libstd/panic.rs:396
[INFO] [stderr]   23:     0x55ce1a55f2bd - std::rt::lang_start_internal::hb860b89a1e78b084
[INFO] [stderr]                                at src/libstd/rt.rs:47
[INFO] [stderr]   24:     0x55ce1a290499 - std::rt::lang_start::hf590edaae3db4985
[INFO] [stderr]                                at /rustc/5e633973aa9255a88b65a39484627bb54e6044b3/src/libstd/rt.rs:61
[INFO] [stderr]   25:     0x55ce1a2a68ca - main
[INFO] [stderr]   26:     0x7fc78ccdcb97 - __libc_start_main
[INFO] [stderr]   27:     0x55ce1a27503a - _start
[INFO] [stderr]   28:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "243b99a1e6a8b4298537957511e80fceac260febd21d400b95073a81d2d7b99a"`
[INFO] running `"docker" "rm" "-f" "243b99a1e6a8b4298537957511e80fceac260febd21d400b95073a81d2d7b99a"`
[INFO] [stdout] 243b99a1e6a8b4298537957511e80fceac260febd21d400b95073a81d2d7b99a