[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#bcff76bad586cfb6874f179a4b66448e6b8a832c for pr-66919
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust-monkey-ir" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/rust-monkey-ir on toolchain bcff76bad586cfb6874f179a4b66448e6b8a832c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "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-7/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" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "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] 69180324e8787215c3e6d6eeb4f91c6ed46ec88c7eabb88e4baf571b78f0f7f8
[INFO] running `"docker" "start" "-a" "69180324e8787215c3e6d6eeb4f91c6ed46ec88c7eabb88e4baf571b78f0f7f8"`
[INFO] [stderr]    Compiling rust-monkey-ir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.13
[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-4f7b22f1c2bebc3c/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-5c8cb88d81ea3356/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:     0x55895c7460c3 - backtrace::backtrace::libunwind::trace::h8c24b6bfc7d689bb
[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::h2c94f13d2162fab7
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x55895c73fc43 - backtrace::capture::Backtrace::new_unresolved::h15a83507d34d9362
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x55895c506ebb - failure::backtrace::internal::InternalBacktrace::new::h7dc06bb87240b144
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x55895c5063ac - failure::backtrace::Backtrace::new::h7c049aeec1241169
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x55895c4d143b - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h20d44b246ee80563
[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:     0x55895c4dcba7 - <failure::error::Error as core::convert::From<F>>::from::h2105e30605fab86f
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
[INFO] [stderr]    6:     0x55895c4d63a5 - failure::error_message::err_msg::hb014b1a1f368d2c4
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error_message.rs:12
[INFO] [stderr]    7:     0x55895c4d3c42 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::hb016d01bdd125163
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:113
[INFO] [stderr]    8:     0x55895c505a08 - core::result::Result<T,E>::map_err::hba965a200b363ead
[INFO] [stderr]                         at /rustc/bcff76bad586cfb6874f179a4b66448e6b8a832c/src/libcore/result.rs:598
[INFO] [stderr]    9:     0x55895c4d2819 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::hbaa8c0f02855c444
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:112
[INFO] [stderr]   10:     0x55895c4d18d8 - build_script_build::llvm::Generator::parse_llvm_sys_crate::h89a26082f61996bc
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:80
[INFO] [stderr]   11:     0x55895c4d8177 - build_script_build::main::h1d56fc179e1f8fad
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   12:     0x55895c4fe85f - std::rt::lang_start::{{closure}}::h29fc76af42f2b747
[INFO] [stderr]                         at /rustc/bcff76bad586cfb6874f179a4b66448e6b8a832c/src/libstd/rt.rs:67
[INFO] [stderr]   13:     0x55895c7730b2 - std::rt::lang_start_internal::{{closure}}::hb8ca7eec2fc7bb65
[INFO] [stderr]                         at src/libstd/rt.rs:52
[INFO] [stderr]                          - std::panicking::try::do_call::h1a23bd66c69de968
[INFO] [stderr]                         at src/libstd/panicking.rs:292
[INFO] [stderr]   14:     0x55895c779649 - __rust_maybe_catch_panic
[INFO] [stderr]                         at src/libpanic_unwind/lib.rs:81
[INFO] [stderr]   15:     0x55895c773bbf - std::panicking::try::h31907c0e13918a21
[INFO] [stderr]                         at src/libstd/panicking.rs:270
[INFO] [stderr]                          - std::panic::catch_unwind::hc68dae81c92c5ad5
[INFO] [stderr]                         at src/libstd/panic.rs:394
[INFO] [stderr]                          - std::rt::lang_start_internal::h50af7e77b511e545
[INFO] [stderr]                         at src/libstd/rt.rs:51
[INFO] [stderr]   16:     0x55895c4fe838 - std::rt::lang_start::h36683160dddb339a
[INFO] [stderr]                         at /rustc/bcff76bad586cfb6874f179a4b66448e6b8a832c/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55895c4d83b9 - main
[INFO] [stderr]   18:     0x7f28b87acb96 - __libc_start_main
[INFO] [stderr]   19:     0x55895c4ae519 - _start
[INFO] [stderr]   20:                0x0 - <unknown>', src/libcore/result.rs:1189:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55895c770d14 - backtrace::backtrace::libunwind::trace::hdb33b6dcb5922a0d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55895c770d14 - backtrace::backtrace::trace_unsynchronized::h33511224bdc125e5
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55895c770d14 - std::sys_common::backtrace::_print_fmt::hbb73a87c0ab402bb
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:84
[INFO] [stderr]    3:     0x55895c770d14 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7ff95c6d4ad994eb
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]    4:     0x55895c7930cc - core::fmt::write::hdeed34d0071e5a94
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1024
[INFO] [stderr]    5:     0x55895c76dfe7 - std::io::Write::write_fmt::h787a1c2574c1b0ab
[INFO] [stderr]                                at src/libstd/io/mod.rs:1428
[INFO] [stderr]    6:     0x55895c772f8e - std::sys_common::backtrace::_print::h2a62cfd468e9cb0c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:65
[INFO] [stderr]    7:     0x55895c772f8e - std::sys_common::backtrace::print::h62356680b22282a5
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:50
[INFO] [stderr]    8:     0x55895c772f8e - std::panicking::default_hook::{{closure}}::h24bf80d282643aa1
[INFO] [stderr]                                at src/libstd/panicking.rs:193
[INFO] [stderr]    9:     0x55895c772c81 - std::panicking::default_hook::he0d02e1c35b286d1
[INFO] [stderr]                                at src/libstd/panicking.rs:210
[INFO] [stderr]   10:     0x55895c77366b - std::panicking::rust_panic_with_hook::h01599ae4b1fddf60
[INFO] [stderr]                                at src/libstd/panicking.rs:471
[INFO] [stderr]   11:     0x55895c77321e - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:375
[INFO] [stderr]   12:     0x55895c78feee - core::panicking::panic_fmt::h63b0054f992139d4
[INFO] [stderr]                                at src/libcore/panicking.rs:82
[INFO] [stderr]   13:     0x55895c78ffe7 - core::result::unwrap_failed::h3e1cedbeb3515dc9
[INFO] [stderr]                                at src/libcore/result.rs:1189
[INFO] [stderr]   14:     0x55895c505130 - core::result::Result<T,E>::expect::hfd2653563d8feab8
[INFO] [stderr]                                at /rustc/bcff76bad586cfb6874f179a4b66448e6b8a832c/src/libcore/result.rs:984
[INFO] [stderr]   15:     0x55895c4d819b - build_script_build::main::h1d56fc179e1f8fad
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   16:     0x55895c4fe860 - std::rt::lang_start::{{closure}}::h29fc76af42f2b747
[INFO] [stderr]                                at /rustc/bcff76bad586cfb6874f179a4b66448e6b8a832c/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55895c7730b3 - std::rt::lang_start_internal::{{closure}}::hb8ca7eec2fc7bb65
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x55895c7730b3 - std::panicking::try::do_call::h1a23bd66c69de968
[INFO] [stderr]                                at src/libstd/panicking.rs:292
[INFO] [stderr]   19:     0x55895c77964a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:81
[INFO] [stderr]   20:     0x55895c773bc0 - std::panicking::try::h31907c0e13918a21
[INFO] [stderr]                                at src/libstd/panicking.rs:270
[INFO] [stderr]   21:     0x55895c773bc0 - std::panic::catch_unwind::hc68dae81c92c5ad5
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x55895c773bc0 - std::rt::lang_start_internal::h50af7e77b511e545
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x55895c4fe839 - std::rt::lang_start::h36683160dddb339a
[INFO] [stderr]                                at /rustc/bcff76bad586cfb6874f179a4b66448e6b8a832c/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x55895c4d83ba - main
[INFO] [stderr]   25:     0x7f28b87acb97 - __libc_start_main
[INFO] [stderr]   26:     0x55895c4ae51a - _start
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "69180324e8787215c3e6d6eeb4f91c6ed46ec88c7eabb88e4baf571b78f0f7f8"`
[INFO] running `"docker" "rm" "-f" "69180324e8787215c3e6d6eeb4f91c6ed46ec88c7eabb88e4baf571b78f0f7f8"`
[INFO] [stdout] 69180324e8787215c3e6d6eeb4f91c6ed46ec88c7eabb88e4baf571b78f0f7f8