[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#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust-monkey-ir" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/rust-monkey-ir on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "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-13/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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 44e8ca16abde1864cb69e45a51d4d272697e89f5358c0252482778604752892e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "44e8ca16abde1864cb69e45a51d4d272697e89f5358c0252482778604752892e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[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 semver v0.9.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]    Compiling serde_json v1.0.32
[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-39d9146516f29185/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-c41bad435f06dc8c/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:     0x564cd1089dc3 - backtrace::backtrace::libunwind::trace::h1be3d3bfd14b633d
[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::haa519924fe0ac59d
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x564cd10866e3 - backtrace::capture::Backtrace::new_unresolved::haafef654c81235fe
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x564cd0e82a6d - failure::backtrace::internal::InternalBacktrace::new::h2ee1c2795bee769b
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x564cd0e813ac - failure::backtrace::Backtrace::new::h6d5e71aedcf2a987
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x564cd0e809fb - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h92282616d87486f7
[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:     0x564cd0e7cc67 - <failure::error::Error as core::convert::From<F>>::from::hcfdd102cf0d0c213
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
[INFO] [stderr]    6:     0x564cd0e4c575 - failure::error_message::err_msg::h89cfd0118b5772af
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error_message.rs:12
[INFO] [stderr]    7:     0x564cd0e4e7c5 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::h59364aa72553bb66
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:113
[INFO] [stderr]    8:     0x564cd0e50afc - core::result::Result<T,E>::map_err::h02982ee5c254b843
[INFO] [stderr]                         at /rustc/6d69caba110c0c2fb90180df1cbc8be5033b91d4/src/libcore/result.rs:610
[INFO] [stderr]    9:     0x564cd0e4d499 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::h75da6a83d4563691
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:112
[INFO] [stderr]   10:     0x564cd0e4c728 - build_script_build::llvm::Generator::parse_llvm_sys_crate::h8d2f9cc05be69c27
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:80
[INFO] [stderr]   11:     0x564cd0e80ebc - build_script_build::main::h6fcda2ecdd41f5a4
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   12:     0x564cd0e7a84a - std::rt::lang_start::{{closure}}::h828002e140e0d5bc
[INFO] [stderr]                         at /rustc/6d69caba110c0c2fb90180df1cbc8be5033b91d4/src/libstd/rt.rs:67
[INFO] [stderr]   13:     0x564cd10b9792 - std::rt::lang_start_internal::{{closure}}::h471f8ba71a80c8e3
[INFO] [stderr]                         at src/libstd/rt.rs:52
[INFO] [stderr]                          - std::panicking::try::do_call::hd059bb209a35d92f
[INFO] [stderr]                         at src/libstd/panicking.rs:303
[INFO] [stderr]   14:     0x564cd10bff16 - __rust_maybe_catch_panic
[INFO] [stderr]                         at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   15:     0x564cd10ba248 - std::panicking::try::h2452c1b92d9235ae
[INFO] [stderr]                         at src/libstd/panicking.rs:281
[INFO] [stderr]                          - std::panic::catch_unwind::h3d5a9024a61f002e
[INFO] [stderr]                         at src/libstd/panic.rs:394
[INFO] [stderr]                          - std::rt::lang_start_internal::hd388fc716683de35
[INFO] [stderr]                         at src/libstd/rt.rs:51
[INFO] [stderr]   16:     0x564cd0e7a826 - std::rt::lang_start::haeabc1b6298bccd5
[INFO] [stderr]                         at /rustc/6d69caba110c0c2fb90180df1cbc8be5033b91d4/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x564cd0e81119 - main
[INFO] [stderr]   18:     0x7f65ac3690b2 - __libc_start_main
[INFO] [stderr]   19:     0x564cd0e3517d - _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:     0x564cd10b6f74 - backtrace::backtrace::libunwind::trace::he807ad0519c11e8d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x564cd10b6f74 - backtrace::backtrace::trace_unsynchronized::h85bf5ebf53f3e79a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x564cd10b6f74 - std::sys_common::backtrace::_print_fmt::h3298485d15f6bf8f
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x564cd10b6f74 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9c1cc352997356e8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x564cd10d981c - core::fmt::write::h32cac060b41ae4df
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1053
[INFO] [stderr]    5:     0x564cd10b3fd7 - std::io::Write::write_fmt::h4b92e010fec92190
[INFO] [stderr]                                at src/libstd/io/mod.rs:1428
[INFO] [stderr]    6:     0x564cd10b9675 - std::sys_common::backtrace::_print::h38b83ef3372fad71
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x564cd10b9675 - std::sys_common::backtrace::print::hcb4a0f695e1ec3b7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x564cd10b9675 - std::panicking::default_hook::{{closure}}::h2e8f9cd7d4cd4692
[INFO] [stderr]                                at src/libstd/panicking.rs:204
[INFO] [stderr]    9:     0x564cd10b93b7 - std::panicking::default_hook::h1e9aeac01791e6cc
[INFO] [stderr]                                at src/libstd/panicking.rs:224
[INFO] [stderr]   10:     0x564cd10b9cd2 - std::panicking::rust_panic_with_hook::h651549a5859dff90
[INFO] [stderr]                                at src/libstd/panicking.rs:470
[INFO] [stderr]   11:     0x564cd10b98bb - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:378
[INFO] [stderr]   12:     0x564cd10d81e1 - core::panicking::panic_fmt::h07289473190e6c0d
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   13:     0x564cd10d8003 - core::option::expect_none_failed::h6a7d298ff47b45b2
[INFO] [stderr]                                at src/libcore/option.rs:1211
[INFO] [stderr]   14:     0x564cd0e50750 - core::result::Result<T,E>::expect::h6d12fac21754af46
[INFO] [stderr]                                at /rustc/6d69caba110c0c2fb90180df1cbc8be5033b91d4/src/libcore/result.rs:961
[INFO] [stderr]   15:     0x564cd0e80ee7 - build_script_build::main::h6fcda2ecdd41f5a4
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   16:     0x564cd0e7a84b - std::rt::lang_start::{{closure}}::h828002e140e0d5bc
[INFO] [stderr]                                at /rustc/6d69caba110c0c2fb90180df1cbc8be5033b91d4/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x564cd10b9793 - std::rt::lang_start_internal::{{closure}}::h471f8ba71a80c8e3
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x564cd10b9793 - std::panicking::try::do_call::hd059bb209a35d92f
[INFO] [stderr]                                at src/libstd/panicking.rs:303
[INFO] [stderr]   19:     0x564cd10bff17 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   20:     0x564cd10ba249 - std::panicking::try::h2452c1b92d9235ae
[INFO] [stderr]                                at src/libstd/panicking.rs:281
[INFO] [stderr]   21:     0x564cd10ba249 - std::panic::catch_unwind::h3d5a9024a61f002e
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x564cd10ba249 - std::rt::lang_start_internal::hd388fc716683de35
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x564cd0e7a827 - std::rt::lang_start::haeabc1b6298bccd5
[INFO] [stderr]                                at /rustc/6d69caba110c0c2fb90180df1cbc8be5033b91d4/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x564cd0e8111a - main
[INFO] [stderr]   25:     0x7f65ac3690b3 - __libc_start_main
[INFO] [stderr]   26:     0x564cd0e3517e - _start
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "44e8ca16abde1864cb69e45a51d4d272697e89f5358c0252482778604752892e"`
[INFO] running `"docker" "rm" "-f" "44e8ca16abde1864cb69e45a51d4d272697e89f5358c0252482778604752892e"`
[INFO] [stdout] 44e8ca16abde1864cb69e45a51d4d272697e89f5358c0252482778604752892e