[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#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[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 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "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" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "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" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "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] 88e43bc9241fb571367ed5e54004c6c610953a6b087d0bda205515d8a0cb842e
[INFO] running `"docker" "start" "-a" "88e43bc9241fb571367ed5e54004c6c610953a6b087d0bda205515d8a0cb842e"`
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[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 backtrace-sys v0.1.24
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]    Compiling semver v0.9.0
[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 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-038af84f2530758a/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-a3bd6bcbb59de5c9/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:     0x55a984e53793 - backtrace::backtrace::libunwind::trace::h100b4f8b19605605
[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::h1e74638ca30e6052
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x55a984e4fa43 - backtrace::capture::Backtrace::new_unresolved::h997f6af89f9fbdf2
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x55a984c4495d - failure::backtrace::internal::InternalBacktrace::new::h2bbe01e7a6a937d4
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x55a984c4361c - failure::backtrace::Backtrace::new::h0fb18c7e8232a2df
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x55a984c0d12b - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h5745a814bc80457c
[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:     0x55a984c1ab77 - <failure::error::Error as core::convert::From<F>>::from::hf89956f351836a97
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
[INFO] [stderr]    6:     0x55a984c182b5 - failure::error_message::err_msg::h325da2dc1712fccc
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error_message.rs:12
[INFO] [stderr]    7:     0x55a984c13c75 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::h1224f61cbc88e023
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:113
[INFO] [stderr]    8:     0x55a984c39bfc - core::result::Result<T,E>::map_err::hea20f8d614f7f47a
[INFO] [stderr]                         at /rustc/8a5e87609850cdd8679aada01eb0f3062f254ca8/src/libcore/result.rs:612
[INFO] [stderr]    9:     0x55a984c12949 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::h0951adfd0e14ccd7
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:112
[INFO] [stderr]   10:     0x55a984c11c28 - build_script_build::llvm::Generator::parse_llvm_sys_crate::h5291476e1199ef20
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:80
[INFO] [stderr]   11:     0x55a984c0d62c - build_script_build::main::hb414e5b3343d39b9
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   12:     0x55a984c18e4a - std::rt::lang_start::{{closure}}::hd48fe410cd01129c
[INFO] [stderr]                         at /rustc/8a5e87609850cdd8679aada01eb0f3062f254ca8/src/libstd/rt.rs:67
[INFO] [stderr]   13:     0x55a984e85487 - std::rt::lang_start_internal::{{closure}}::h44f983614a45c0ee
[INFO] [stderr]                         at src/libstd/rt.rs:52
[INFO] [stderr]                          - std::panicking::try::do_call::hc8977591a8cf0af7
[INFO] [stderr]                         at src/libstd/panicking.rs:331
[INFO] [stderr]                          - std::panicking::try::haa2790657feac5c7
[INFO] [stderr]                         at src/libstd/panicking.rs:274
[INFO] [stderr]                          - std::panic::catch_unwind::hb657324443ad5ddd
[INFO] [stderr]                         at src/libstd/panic.rs:394
[INFO] [stderr]                          - std::rt::lang_start_internal::h1fc8fe15552816a9
[INFO] [stderr]                         at src/libstd/rt.rs:51
[INFO] [stderr]   14:     0x55a984c18e26 - std::rt::lang_start::haf7dff73d81daa3e
[INFO] [stderr]                         at /rustc/8a5e87609850cdd8679aada01eb0f3062f254ca8/src/libstd/rt.rs:67
[INFO] [stderr]   15:     0x55a984c0d889 - main
[INFO] [stderr]   16:     0x7f45da561b96 - __libc_start_main
[INFO] [stderr]   17:     0x55a984bf7a49 - _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:     0x55a984e820e4 - backtrace::backtrace::libunwind::trace::h6e17b062984af3e8
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55a984e820e4 - backtrace::backtrace::trace_unsynchronized::h8e8466cf6548b0a1
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55a984e820e4 - std::sys_common::backtrace::_print_fmt::h8b68822dc1659286
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55a984e820e4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h88b6471123f77ef0
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55a984ea9cac - core::fmt::write::h94d2034151aba49c
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x55a984e7f323 - std::io::Write::write_fmt::h6fc26f6b5b7be1bb
[INFO] [stderr]                                at src/libstd/io/mod.rs:1504
[INFO] [stderr]    6:     0x55a984e84915 - std::sys_common::backtrace::_print::hba484280b1d7576c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55a984e84915 - std::sys_common::backtrace::print::h57e28f7caf9bd6c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55a984e84915 - std::panicking::default_hook::{{closure}}::h32a487ca417fdc4e
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55a984e84652 - std::panicking::default_hook::hc39090d3c371f581
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x55a984e84f72 - std::panicking::rust_panic_with_hook::h7e4d6ca2da996f73
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x55a984e84b5b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x55a984ea86d1 - core::panicking::panic_fmt::h9f8010bf11fdc73e
[INFO] [stderr]                                at src/libcore/panicking.rs:111
[INFO] [stderr]   13:     0x55a984ea84f3 - core::option::expect_none_failed::h4676a8ccaed9d101
[INFO] [stderr]                                at src/libcore/option.rs:1268
[INFO] [stderr]   14:     0x55a984c39400 - core::result::Result<T,E>::expect::hcffd97032fe68f23
[INFO] [stderr]                                at /rustc/8a5e87609850cdd8679aada01eb0f3062f254ca8/src/libcore/result.rs:963
[INFO] [stderr]   15:     0x55a984c0d657 - build_script_build::main::hb414e5b3343d39b9
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   16:     0x55a984c18e4b - std::rt::lang_start::{{closure}}::hd48fe410cd01129c
[INFO] [stderr]                                at /rustc/8a5e87609850cdd8679aada01eb0f3062f254ca8/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55a984e85488 - std::rt::lang_start_internal::{{closure}}::h44f983614a45c0ee
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x55a984e85488 - std::panicking::try::do_call::hc8977591a8cf0af7
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   19:     0x55a984e85488 - std::panicking::try::haa2790657feac5c7
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   20:     0x55a984e85488 - std::panic::catch_unwind::hb657324443ad5ddd
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x55a984e85488 - std::rt::lang_start_internal::h1fc8fe15552816a9
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x55a984c18e27 - std::rt::lang_start::haf7dff73d81daa3e
[INFO] [stderr]                                at /rustc/8a5e87609850cdd8679aada01eb0f3062f254ca8/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x55a984c0d88a - main
[INFO] [stderr]   24:     0x7f45da561b97 - __libc_start_main
[INFO] [stderr]   25:     0x55a984bf7a4a - _start
[INFO] [stderr]   26:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "88e43bc9241fb571367ed5e54004c6c610953a6b087d0bda205515d8a0cb842e"`
[INFO] running `"docker" "rm" "-f" "88e43bc9241fb571367ed5e54004c6c610953a6b087d0bda205515d8a0cb842e"`
[INFO] [stdout] 88e43bc9241fb571367ed5e54004c6c610953a6b087d0bda205515d8a0cb842e