[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#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust-monkey-ir" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/rust-monkey-ir 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/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-11/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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 568f3cbf3e5b172081c8c5d51bb02f998791ce779cd0671cb44b0c1d2c092db5
[INFO] running `"docker" "start" "-a" "568f3cbf3e5b172081c8c5d51bb02f998791ce779cd0671cb44b0c1d2c092db5"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-monkey-ir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling serde_json v1.0.32
[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-69653f4d3d17404b/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-a2b163f177f19c56/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:     0x56349b19a6f3 - backtrace::backtrace::libunwind::trace::h52978e51f9f5fc3b
[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::h1c6d0562699cf2a7
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x56349b1943f3 - backtrace::capture::Backtrace::new_unresolved::h434e0ebb8e60d4e8
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x56349af5c51b - failure::backtrace::internal::InternalBacktrace::new::h34e56dfa74249ce5
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x56349af5b88c - failure::backtrace::Backtrace::new::he213413de284f6fe
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x56349af268ab - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h662e256c2e93fb0a
[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:     0x56349af55c17 - <failure::error::Error as core::convert::From<F>>::from::habc7e54b8a98d1d4
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
[INFO] [stderr]    6:     0x56349af2b745 - failure::error_message::err_msg::h3e505caba5ede70f
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error_message.rs:12
[INFO] [stderr]    7:     0x56349af28dd4 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::h75cb4534222ecf67
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:113
[INFO] [stderr]    8:     0x56349af5aaa8 - core::result::Result<T,E>::map_err::hbf48639a15849ea6
[INFO] [stderr]                         at /rustc/d27c6c6a469a28343396a8f3ac1c9d403aabda69/src/libcore/result.rs:603
[INFO] [stderr]    9:     0x56349af27999 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::h4e0b57f4dd68328a
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:112
[INFO] [stderr]   10:     0x56349af26a58 - build_script_build::llvm::Generator::parse_llvm_sys_crate::h499fddbc7561d1a3
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:80
[INFO] [stderr]   11:     0x56349af2d590 - build_script_build::main::hb99425c9fcd96f1f
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   12:     0x56349af53abf - std::rt::lang_start::{{closure}}::hdac051d450e3eba0
[INFO] [stderr]                         at /rustc/d27c6c6a469a28343396a8f3ac1c9d403aabda69/src/libstd/rt.rs:67
[INFO] [stderr]   13:     0x56349b1c8412 - std::rt::lang_start_internal::{{closure}}::h3b078c3da4627c97
[INFO] [stderr]                         at src/libstd/rt.rs:52
[INFO] [stderr]                          - std::panicking::try::do_call::hf3bd84286ccd6179
[INFO] [stderr]                         at src/libstd/panicking.rs:296
[INFO] [stderr]   14:     0x56349b1ce829 - __rust_maybe_catch_panic
[INFO] [stderr]                         at src/libpanic_unwind/lib.rs:79
[INFO] [stderr]   15:     0x56349b1c8eaf - std::panicking::try::hcb0fe9f753e69b09
[INFO] [stderr]                         at src/libstd/panicking.rs:272
[INFO] [stderr]                          - std::panic::catch_unwind::h75eb9eb43d127e80
[INFO] [stderr]                         at src/libstd/panic.rs:394
[INFO] [stderr]                          - std::rt::lang_start_internal::hb7f339488e9d1f13
[INFO] [stderr]                         at src/libstd/rt.rs:51
[INFO] [stderr]   16:     0x56349af53a98 - std::rt::lang_start::hce7e91d922f0f36f
[INFO] [stderr]                         at /rustc/d27c6c6a469a28343396a8f3ac1c9d403aabda69/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x56349af2d7f9 - main
[INFO] [stderr]   18:     0x7fc2e5a51b96 - __libc_start_main
[INFO] [stderr]   19:     0x56349af02bd9 - _start
[INFO] [stderr]   20:                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:     0x56349b1c6034 - 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:     0x56349b1c6034 - 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:     0x56349b1c6034 - std::sys_common::backtrace::_print_fmt::he1209b8ba63c9fd2
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x56349b1c6034 - <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:     0x56349b1e652c - core::fmt::write::hd6c5c9ab01551e29
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1057
[INFO] [stderr]    5:     0x56349b1c32c7 - std::io::Write::write_fmt::h92dca42149c54903
[INFO] [stderr]                                at src/libstd/io/mod.rs:1426
[INFO] [stderr]    6:     0x56349b1c82e5 - std::sys_common::backtrace::_print::hfc0ffaecef6820ce
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x56349b1c82e5 - std::sys_common::backtrace::print::hb2f3121d5ded79bb
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x56349b1c82e5 - std::panicking::default_hook::{{closure}}::h48ee859394646c26
[INFO] [stderr]                                at src/libstd/panicking.rs:195
[INFO] [stderr]    9:     0x56349b1c7fd1 - std::panicking::default_hook::he04601656067c23b
[INFO] [stderr]                                at src/libstd/panicking.rs:215
[INFO] [stderr]   10:     0x56349b1c894a - std::panicking::rust_panic_with_hook::h1a13a61ec549b61a
[INFO] [stderr]                                at src/libstd/panicking.rs:463
[INFO] [stderr]   11:     0x56349b1c8530 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:371
[INFO] [stderr]   12:     0x56349b1e4ec1 - core::panicking::panic_fmt::hf9765164329c732e
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   13:     0x56349b1e4ce3 - core::option::expect_none_failed::h673062ee969d5ec3
[INFO] [stderr]                                at src/libcore/option.rs:1198
[INFO] [stderr]   14:     0x56349af5a193 - core::result::Result<T,E>::expect::h5dd52d56c6c437a5
[INFO] [stderr]                                at /rustc/d27c6c6a469a28343396a8f3ac1c9d403aabda69/src/libcore/result.rs:990
[INFO] [stderr]   15:     0x56349af2d5bb - build_script_build::main::hb99425c9fcd96f1f
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   16:     0x56349af53ac0 - std::rt::lang_start::{{closure}}::hdac051d450e3eba0
[INFO] [stderr]                                at /rustc/d27c6c6a469a28343396a8f3ac1c9d403aabda69/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x56349b1c8413 - std::rt::lang_start_internal::{{closure}}::h3b078c3da4627c97
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x56349b1c8413 - std::panicking::try::do_call::hf3bd84286ccd6179
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   19:     0x56349b1ce82a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:79
[INFO] [stderr]   20:     0x56349b1c8eb0 - std::panicking::try::hcb0fe9f753e69b09
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]   21:     0x56349b1c8eb0 - std::panic::catch_unwind::h75eb9eb43d127e80
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x56349b1c8eb0 - std::rt::lang_start_internal::hb7f339488e9d1f13
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x56349af53a99 - std::rt::lang_start::hce7e91d922f0f36f
[INFO] [stderr]                                at /rustc/d27c6c6a469a28343396a8f3ac1c9d403aabda69/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x56349af2d7fa - main
[INFO] [stderr]   25:     0x7fc2e5a51b97 - __libc_start_main
[INFO] [stderr]   26:     0x56349af02bda - _start
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "568f3cbf3e5b172081c8c5d51bb02f998791ce779cd0671cb44b0c1d2c092db5"`
[INFO] running `"docker" "rm" "-f" "568f3cbf3e5b172081c8c5d51bb02f998791ce779cd0671cb44b0c1d2c092db5"`
[INFO] [stdout] 568f3cbf3e5b172081c8c5d51bb02f998791ce779cd0671cb44b0c1d2c092db5