[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 master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust-monkey-ir" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/rust-monkey-ir on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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-1/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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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] c924df7a9bc1fb754ef7c4807ef923d214ae177d6797a87a433635fe3442cdf7
[INFO] running `"docker" "start" "-a" "c924df7a9bc1fb754ef7c4807ef923d214ae177d6797a87a433635fe3442cdf7"`
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling rust-monkey-ir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling syn v0.15.13
[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 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-d44f076573e063fc/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-47681ef741a5d527/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:     0x56315eff0ee3 - backtrace::backtrace::libunwind::trace::h08e759494a5a5694
[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::hb2c00aef5883e1db
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x56315efed193 - backtrace::capture::Backtrace::new_unresolved::h88bcbfa0369b3fc3
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x56315ede26cd - failure::backtrace::internal::InternalBacktrace::new::h5b8929302dc97190
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x56315ede138c - failure::backtrace::Backtrace::new::h4dc0c3519da854e5
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x56315edab14b - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::ha7756692cb26c180
[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:     0x56315edb8967 - <failure::error::Error as core::convert::From<F>>::from::h62e31a1a548b8cee
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
[INFO] [stderr]    6:     0x56315edb60e5 - failure::error_message::err_msg::h2550a8d946297667
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error_message.rs:12
[INFO] [stderr]    7:     0x56315edb1a95 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::h3d91eaceca0456dd
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:113
[INFO] [stderr]    8:     0x56315edd76ac - core::result::Result<T,E>::map_err::h9c0a6ed4b42563b0
[INFO] [stderr]                         at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libcore/result.rs:612
[INFO] [stderr]    9:     0x56315edb0769 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::hfd4bc3f8ec2167df
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:112
[INFO] [stderr]   10:     0x56315edafa48 - build_script_build::llvm::Generator::parse_llvm_sys_crate::hb76ba8ddb8762983
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:80
[INFO] [stderr]   11:     0x56315edab41c - build_script_build::main::h29cb1669eb14a357
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   12:     0x56315edb6c0a - std::rt::lang_start::{{closure}}::hd8dc51106b7abb4b
[INFO] [stderr]                         at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libstd/rt.rs:67
[INFO] [stderr]   13:     0x56315f022577 - std::rt::lang_start_internal::{{closure}}::h749f73f80f2a20f1
[INFO] [stderr]                         at src/libstd/rt.rs:52
[INFO] [stderr]                          - std::panicking::try::do_call::h34ae69cab909f7d2
[INFO] [stderr]                         at src/libstd/panicking.rs:331
[INFO] [stderr]                          - std::panicking::try::he6d9ae6f665ea78e
[INFO] [stderr]                         at src/libstd/panicking.rs:274
[INFO] [stderr]                          - std::panic::catch_unwind::hb821659e1ed61148
[INFO] [stderr]                         at src/libstd/panic.rs:394
[INFO] [stderr]                          - std::rt::lang_start_internal::hc7231d8ca9ca0aea
[INFO] [stderr]                         at src/libstd/rt.rs:51
[INFO] [stderr]   14:     0x56315edb6be6 - std::rt::lang_start::hd3e79b4e7b6025f7
[INFO] [stderr]                         at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libstd/rt.rs:67
[INFO] [stderr]   15:     0x56315edab679 - main
[INFO] [stderr]   16:     0x7f83f6693b96 - __libc_start_main
[INFO] [stderr]   17:     0x56315ed95869 - _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:     0x56315f01f1d4 - backtrace::backtrace::libunwind::trace::hcdd38e03c5c0ae1d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x56315f01f1d4 - backtrace::backtrace::trace_unsynchronized::he5bd7c616dadfd7d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x56315f01f1d4 - std::sys_common::backtrace::_print_fmt::h5c76d4ca71f55821
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x56315f01f1d4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2c8c63d62d7bea1c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x56315f046d6c - core::fmt::write::h97d981a565c87982
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x56315f01c413 - std::io::Write::write_fmt::h76b54795ca4d1941
[INFO] [stderr]                                at src/libstd/io/mod.rs:1439
[INFO] [stderr]    6:     0x56315f021a05 - std::sys_common::backtrace::_print::h93fb2909159290d7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x56315f021a05 - std::sys_common::backtrace::print::ha755c3134746c2d0
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x56315f021a05 - std::panicking::default_hook::{{closure}}::h3a7ab24b109d5437
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x56315f021742 - std::panicking::default_hook::h2aa3c18a39936382
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x56315f022062 - std::panicking::rust_panic_with_hook::h5035e60b675c5c99
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x56315f021c4b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x56315f045791 - core::panicking::panic_fmt::h7fe09dc6d8aa54c4
[INFO] [stderr]                                at src/libcore/panicking.rs:111
[INFO] [stderr]   13:     0x56315f0455b3 - core::option::expect_none_failed::h294957c8cca982d9
[INFO] [stderr]                                at src/libcore/option.rs:1268
[INFO] [stderr]   14:     0x56315edd7220 - core::result::Result<T,E>::expect::hec04ca3b393f881a
[INFO] [stderr]                                at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libcore/result.rs:963
[INFO] [stderr]   15:     0x56315edab447 - build_script_build::main::h29cb1669eb14a357
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   16:     0x56315edb6c0b - std::rt::lang_start::{{closure}}::hd8dc51106b7abb4b
[INFO] [stderr]                                at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x56315f022578 - std::rt::lang_start_internal::{{closure}}::h749f73f80f2a20f1
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x56315f022578 - std::panicking::try::do_call::h34ae69cab909f7d2
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   19:     0x56315f022578 - std::panicking::try::he6d9ae6f665ea78e
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   20:     0x56315f022578 - std::panic::catch_unwind::hb821659e1ed61148
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x56315f022578 - std::rt::lang_start_internal::hc7231d8ca9ca0aea
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x56315edb6be7 - std::rt::lang_start::hd3e79b4e7b6025f7
[INFO] [stderr]                                at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x56315edab67a - main
[INFO] [stderr]   24:     0x7f83f6693b97 - __libc_start_main
[INFO] [stderr]   25:     0x56315ed9586a - _start
[INFO] [stderr]   26:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "c924df7a9bc1fb754ef7c4807ef923d214ae177d6797a87a433635fe3442cdf7"`
[INFO] running `"docker" "rm" "-f" "c924df7a9bc1fb754ef7c4807ef923d214ae177d6797a87a433635fe3442cdf7"`
[INFO] [stdout] c924df7a9bc1fb754ef7c4807ef923d214ae177d6797a87a433635fe3442cdf7