[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#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[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 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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=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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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] 66de89be481f94ed2e9283b836f3dec072764377bba09802c1b3badad828427e
[INFO] running `"docker" "start" "-a" "66de89be481f94ed2e9283b836f3dec072764377bba09802c1b3badad828427e"`
[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 regex-syntax v0.6.3
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling serde_json v1.0.32
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling syn v0.15.13
[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 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-1356dbafea07d2c9/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-84c4a6d224e21ee8/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:     0x556bbfb92693 - backtrace::backtrace::libunwind::trace::h0f32814c3c61f2cb
[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::h379c92baa6e86c89
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x556bbfb8edd3 - backtrace::capture::Backtrace::new_unresolved::h2494c1ef5f5610ea
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x556bbf998fdd - failure::backtrace::internal::InternalBacktrace::new::h6eefe9989727ef07
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x556bbf9978ec - failure::backtrace::Backtrace::new::hb3993c34866c4427
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x556bbf99712b - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::hfb0bca1ba98cabe6
[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:     0x556bbf993177 - <failure::error::Error as core::convert::From<F>>::from::he0d970a8b8dc035b
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
[INFO] [stderr]    6:     0x556bbf9625c5 - failure::error_message::err_msg::hdb58c865dfcbc03e
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error_message.rs:12
[INFO] [stderr]    7:     0x556bbf9647c5 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::h11218aab485e8984
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:113
[INFO] [stderr]    8:     0x556bbf966b9c - core::result::Result<T,E>::map_err::h3d4a780a36ce02d6
[INFO] [stderr]                         at /rustc/13f916f63bc6575d5ff1f989237dfabe88981368/src/libcore/result.rs:610
[INFO] [stderr]    9:     0x556bbf963499 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::h044a01d8d859a9be
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:112
[INFO] [stderr]   10:     0x556bbf962778 - build_script_build::llvm::Generator::parse_llvm_sys_crate::h9fa2e65f169ab281
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:80
[INFO] [stderr]   11:     0x556bbf9973fc - build_script_build::main::h3b55e2ac8ea99d34
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   12:     0x556bbf990e1a - std::rt::lang_start::{{closure}}::h803602385cb196cf
[INFO] [stderr]                         at /rustc/13f916f63bc6575d5ff1f989237dfabe88981368/src/libstd/rt.rs:67
[INFO] [stderr]   13:     0x556bbfbc1c72 - std::rt::lang_start_internal::{{closure}}::h6e93e18fa04e1c8a
[INFO] [stderr]                         at src/libstd/rt.rs:52
[INFO] [stderr]                          - std::panicking::try::do_call::hf5c508d3f7fd6e80
[INFO] [stderr]                         at src/libstd/panicking.rs:303
[INFO] [stderr]   14:     0x556bbfbc8466 - __rust_maybe_catch_panic
[INFO] [stderr]                         at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   15:     0x556bbfbc27aa - std::panicking::try::ha6921e66e2ad49ba
[INFO] [stderr]                         at src/libstd/panicking.rs:281
[INFO] [stderr]                          - std::panic::catch_unwind::h5765f97350df40be
[INFO] [stderr]                         at src/libstd/panic.rs:394
[INFO] [stderr]                          - std::rt::lang_start_internal::ha5adbbeb42eba794
[INFO] [stderr]                         at src/libstd/rt.rs:51
[INFO] [stderr]   16:     0x556bbf990df6 - std::rt::lang_start::h0ff8324e05a680c4
[INFO] [stderr]                         at /rustc/13f916f63bc6575d5ff1f989237dfabe88981368/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x556bbf997659 - main
[INFO] [stderr]   18:     0x7f82502e6b96 - __libc_start_main
[INFO] [stderr]   19:     0x556bbf94c6a9 - _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:     0x556bbfbbf474 - backtrace::backtrace::libunwind::trace::he109529ff1dc76f7
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x556bbfbbf474 - backtrace::backtrace::trace_unsynchronized::hef5630b5b89e7da6
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x556bbfbbf474 - std::sys_common::backtrace::_print_fmt::hb6aa27cc6435f7ee
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x556bbfbbf474 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc8ed84d3f9251ec9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x556bbfbe1d7c - core::fmt::write::ha7289210e62113c3
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1063
[INFO] [stderr]    5:     0x556bbfbbc647 - std::io::Write::write_fmt::ha5b699d062564d98
[INFO] [stderr]                                at src/libstd/io/mod.rs:1428
[INFO] [stderr]    6:     0x556bbfbc1b55 - std::sys_common::backtrace::_print::h93033be5ea486fe6
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x556bbfbc1b55 - std::sys_common::backtrace::print::hc1f88a8d0e001fdd
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x556bbfbc1b55 - std::panicking::default_hook::{{closure}}::h1628a29c2888e142
[INFO] [stderr]                                at src/libstd/panicking.rs:204
[INFO] [stderr]    9:     0x556bbfbc18a2 - std::panicking::default_hook::hd5ebb6361821db24
[INFO] [stderr]                                at src/libstd/panicking.rs:224
[INFO] [stderr]   10:     0x556bbfbc21b2 - std::panicking::rust_panic_with_hook::h158379e90d65e844
[INFO] [stderr]                                at src/libstd/panicking.rs:470
[INFO] [stderr]   11:     0x556bbfbc1d9b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:378
[INFO] [stderr]   12:     0x556bbfbe0741 - core::panicking::panic_fmt::h9118a90e476a64ec
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   13:     0x556bbfbe0563 - core::option::expect_none_failed::h16abaeeee5bb58a1
[INFO] [stderr]                                at src/libcore/option.rs:1211
[INFO] [stderr]   14:     0x556bbf966650 - core::result::Result<T,E>::expect::ha376971e7c9ed98c
[INFO] [stderr]                                at /rustc/13f916f63bc6575d5ff1f989237dfabe88981368/src/libcore/result.rs:961
[INFO] [stderr]   15:     0x556bbf997427 - build_script_build::main::h3b55e2ac8ea99d34
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   16:     0x556bbf990e1b - std::rt::lang_start::{{closure}}::h803602385cb196cf
[INFO] [stderr]                                at /rustc/13f916f63bc6575d5ff1f989237dfabe88981368/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x556bbfbc1c73 - std::rt::lang_start_internal::{{closure}}::h6e93e18fa04e1c8a
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x556bbfbc1c73 - std::panicking::try::do_call::hf5c508d3f7fd6e80
[INFO] [stderr]                                at src/libstd/panicking.rs:303
[INFO] [stderr]   19:     0x556bbfbc8467 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   20:     0x556bbfbc27ab - std::panicking::try::ha6921e66e2ad49ba
[INFO] [stderr]                                at src/libstd/panicking.rs:281
[INFO] [stderr]   21:     0x556bbfbc27ab - std::panic::catch_unwind::h5765f97350df40be
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x556bbfbc27ab - std::rt::lang_start_internal::ha5adbbeb42eba794
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x556bbf990df7 - std::rt::lang_start::h0ff8324e05a680c4
[INFO] [stderr]                                at /rustc/13f916f63bc6575d5ff1f989237dfabe88981368/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x556bbf99765a - main
[INFO] [stderr]   25:     0x7f82502e6b97 - __libc_start_main
[INFO] [stderr]   26:     0x556bbf94c6aa - _start
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "66de89be481f94ed2e9283b836f3dec072764377bba09802c1b3badad828427e"`
[INFO] running `"docker" "rm" "-f" "66de89be481f94ed2e9283b836f3dec072764377bba09802c1b3badad828427e"`
[INFO] [stdout] 66de89be481f94ed2e9283b836f3dec072764377bba09802c1b3badad828427e