[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#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust-monkey-ir" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/rust-monkey-ir on toolchain d939f708d960161d23b964309ba68ff207fc0ead
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "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-3/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" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+d939f708d960161d23b964309ba68ff207fc0ead" "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] 189213afc4905caefef433cfaf7f55915d0b96bc7c1feff052df3cc6ee3c5688
[INFO] running `"docker" "start" "-a" "189213afc4905caefef433cfaf7f55915d0b96bc7c1feff052df3cc6ee3c5688"`
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling libloading v0.5.0
[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 serde v1.0.80
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.32
[INFO] [stderr]    Compiling synstructure v0.10.0
[INFO] [stderr]    Compiling llvm-sys v70.0.1
[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-df35086ac301d8d5/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-e2dc26a4c8a62d44/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:     0x55a6e6e03003 - backtrace::backtrace::libunwind::trace::hec4f3667031b4b19
[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::hd10ec7003a9cfa72
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x55a6e6dfe723 - backtrace::capture::Backtrace::new_unresolved::ha01445adaec8a3ba
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x55a6e6c0640d - failure::backtrace::internal::InternalBacktrace::new::h61823591df3d2f66
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x55a6e6c0519c - failure::backtrace::Backtrace::new::h60e789ab8a886217
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x55a6e6c04d9b - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::hb67bc60472569931
[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:     0x55a6e6c00687 - <failure::error::Error as core::convert::From<F>>::from::h0d7513e4b559ff80
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
[INFO] [stderr]    6:     0x55a6e6bd8ed5 - failure::error_message::err_msg::hbd9a0fd80ffc796c
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error_message.rs:12
[INFO] [stderr]    7:     0x55a6e6bd1e25 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::hd47273fbe3782c67
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:113
[INFO] [stderr]    8:     0x55a6e6bd439c - core::result::Result<T,E>::map_err::h7644321f57abd542
[INFO] [stderr]                         at /rustc/d939f708d960161d23b964309ba68ff207fc0ead/src/libcore/result.rs:610
[INFO] [stderr]    9:     0x55a6e6bd0af9 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::h5bb3ec717c4de013
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:112
[INFO] [stderr]   10:     0x55a6e6bcfdd8 - build_script_build::llvm::Generator::parse_llvm_sys_crate::he97f799ec7578eb7
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:80
[INFO] [stderr]   11:     0x55a6e6bcfb3c - build_script_build::main::h8c58a45954678347
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   12:     0x55a6e6bfe56a - std::rt::lang_start::{{closure}}::hcd64bdc1d3249509
[INFO] [stderr]                         at /rustc/d939f708d960161d23b964309ba68ff207fc0ead/src/libstd/rt.rs:67
[INFO] [stderr]   13:     0x55a6e6e32a9e - std::rt::lang_start_internal::{{closure}}::hdaffbcc57d598c5f
[INFO] [stderr]                         at src/libstd/rt.rs:52
[INFO] [stderr]                          - std::panicking::try::do_call::hc1832c62abd55478
[INFO] [stderr]                         at src/libstd/panicking.rs:331
[INFO] [stderr]                          - std::panicking::try::h23d1892813e46504
[INFO] [stderr]                         at src/libstd/panicking.rs:274
[INFO] [stderr]                          - std::panic::catch_unwind::hdb5524bedfc6db1f
[INFO] [stderr]                         at src/libstd/panic.rs:394
[INFO] [stderr]                          - std::rt::lang_start_internal::h2ab9efcdfcc44c95
[INFO] [stderr]                         at src/libstd/rt.rs:51
[INFO] [stderr]   14:     0x55a6e6bfe546 - std::rt::lang_start::h3adf680cfefe1f5c
[INFO] [stderr]                         at /rustc/d939f708d960161d23b964309ba68ff207fc0ead/src/libstd/rt.rs:67
[INFO] [stderr]   15:     0x55a6e6bcfd99 - main
[INFO] [stderr]   16:     0x7f1e23906b96 - __libc_start_main
[INFO] [stderr]   17:     0x55a6e6bb99f9 - _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:     0x55a6e6e2f634 - backtrace::backtrace::libunwind::trace::hdbfb90b3ac3ad82c
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55a6e6e2f634 - backtrace::backtrace::trace_unsynchronized::hdc2d8de557dbdcaf
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55a6e6e2f634 - std::sys_common::backtrace::_print_fmt::hc847b4cbd733969c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55a6e6e2f634 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1834f0d5f0f485d9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55a6e6e51c4c - core::fmt::write::h6932942104d5f1ae
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x55a6e6e2c9d3 - std::io::Write::write_fmt::h6ea75dc393077354
[INFO] [stderr]                                at src/libstd/io/mod.rs:1427
[INFO] [stderr]    6:     0x55a6e6e31ea5 - std::sys_common::backtrace::_print::hbdd2af06305a234c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55a6e6e31ea5 - std::sys_common::backtrace::print::hfa2e5bb1407a0009
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55a6e6e31ea5 - std::panicking::default_hook::{{closure}}::h4196b1a9c9da64a2
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55a6e6e31bf2 - std::panicking::default_hook::h853dd04629d084b0
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x55a6e6e32502 - std::panicking::rust_panic_with_hook::h06766489222c5b1f
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x55a6e6e320eb - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x55a6e6e50611 - core::panicking::panic_fmt::h70f73dd0c53f6a1b
[INFO] [stderr]                                at src/libcore/panicking.rs:111
[INFO] [stderr]   13:     0x55a6e6e50433 - core::option::expect_none_failed::h1638b8aeab38312f
[INFO] [stderr]                                at src/libcore/option.rs:1211
[INFO] [stderr]   14:     0x55a6e6bd3d60 - core::result::Result<T,E>::expect::he2b86c95d6d28298
[INFO] [stderr]                                at /rustc/d939f708d960161d23b964309ba68ff207fc0ead/src/libcore/result.rs:961
[INFO] [stderr]   15:     0x55a6e6bcfb67 - build_script_build::main::h8c58a45954678347
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   16:     0x55a6e6bfe56b - std::rt::lang_start::{{closure}}::hcd64bdc1d3249509
[INFO] [stderr]                                at /rustc/d939f708d960161d23b964309ba68ff207fc0ead/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55a6e6e32a9f - std::rt::lang_start_internal::{{closure}}::hdaffbcc57d598c5f
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x55a6e6e32a9f - std::panicking::try::do_call::hc1832c62abd55478
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   19:     0x55a6e6e32a9f - std::panicking::try::h23d1892813e46504
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   20:     0x55a6e6e32a9f - std::panic::catch_unwind::hdb5524bedfc6db1f
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x55a6e6e32a9f - std::rt::lang_start_internal::h2ab9efcdfcc44c95
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x55a6e6bfe547 - std::rt::lang_start::h3adf680cfefe1f5c
[INFO] [stderr]                                at /rustc/d939f708d960161d23b964309ba68ff207fc0ead/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x55a6e6bcfd9a - main
[INFO] [stderr]   24:     0x7f1e23906b97 - __libc_start_main
[INFO] [stderr]   25:     0x55a6e6bb99fa - _start
[INFO] [stderr]   26:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "189213afc4905caefef433cfaf7f55915d0b96bc7c1feff052df3cc6ee3c5688"`
[INFO] running `"docker" "rm" "-f" "189213afc4905caefef433cfaf7f55915d0b96bc7c1feff052df3cc6ee3c5688"`
[INFO] [stdout] 189213afc4905caefef433cfaf7f55915d0b96bc7c1feff052df3cc6ee3c5688