[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#e6563ac70cbfd3196492061900e9e9793e065e4d for pr-69410
[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 e6563ac70cbfd3196492061900e9e9793e065e4d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "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" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "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" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "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] 95aa2dbc3e880c82c262aa16d80fa4fd6dac46dc5c3d56a4ddb0323f369bd67b
[INFO] running `"docker" "start" "-a" "95aa2dbc3e880c82c262aa16d80fa4fd6dac46dc5c3d56a4ddb0323f369bd67b"`
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling rust-monkey-ir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking libloading v0.5.0
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling error-chain v0.12.0
[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-3ba7a57fb2b79080/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-99e36daad36d4333/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:     0x55c317e78c53 - backtrace::backtrace::libunwind::trace::h3a529a749940e819
[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::h414714c07187ad3d
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x55c317e74f03 - backtrace::capture::Backtrace::new_unresolved::h143ea43f23cb63a8
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x55c317c3971d - failure::backtrace::internal::InternalBacktrace::new::h89ac9ca4b7669df4
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x55c317c3854c - failure::backtrace::Backtrace::new::h04dbd120e723978e
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x55c317c0163b - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h0958f994b1f18ad1
[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:     0x55c317c330e7 - <failure::error::Error as core::convert::From<F>>::from::hd7823e79ab143e31
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
[INFO] [stderr]    6:     0x55c317c0a955 - failure::error_message::err_msg::h74bd394bf05df9ba
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error_message.rs:12
[INFO] [stderr]    7:     0x55c317c03e65 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::h04c5839780428618
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:113
[INFO] [stderr]    8:     0x55c317c379a5 - core::result::Result<T,E>::map_err::hb4b251a2a4b586f9
[INFO] [stderr]                         at /rustc/e6563ac70cbfd3196492061900e9e9793e065e4d/src/libcore/result.rs:610
[INFO] [stderr]    9:     0x55c317c02979 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::h7ffedcb77b27d12e
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:112
[INFO] [stderr]   10:     0x55c317c01a18 - build_script_build::llvm::Generator::parse_llvm_sys_crate::h99c2f9e6963392cb
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:80
[INFO] [stderr]   11:     0x55c317c0abec - build_script_build::main::h0a5c6d2f1c41ccaf
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   12:     0x55c317c30c4a - std::rt::lang_start::{{closure}}::hfed89da76915ccac
[INFO] [stderr]                         at /rustc/e6563ac70cbfd3196492061900e9e9793e065e4d/src/libstd/rt.rs:67
[INFO] [stderr]   13:     0x55c317ea9152 - std::rt::lang_start_internal::{{closure}}::hf6d1163571f93f94
[INFO] [stderr]                         at src/libstd/rt.rs:52
[INFO] [stderr]                          - std::panicking::try::do_call::h7a8ec0b8e0eb339e
[INFO] [stderr]                         at src/libstd/panicking.rs:303
[INFO] [stderr]   14:     0x55c317eafb66 - __rust_maybe_catch_panic
[INFO] [stderr]                         at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   15:     0x55c317ea9c08 - std::panicking::try::h297151113815fa59
[INFO] [stderr]                         at src/libstd/panicking.rs:281
[INFO] [stderr]                          - std::panic::catch_unwind::h73283fb286521b23
[INFO] [stderr]                         at src/libstd/panic.rs:394
[INFO] [stderr]                          - std::rt::lang_start_internal::h7ec9065b4aa80248
[INFO] [stderr]                         at src/libstd/rt.rs:51
[INFO] [stderr]   16:     0x55c317c30c26 - std::rt::lang_start::hf983818fd002e9b6
[INFO] [stderr]                         at /rustc/e6563ac70cbfd3196492061900e9e9793e065e4d/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55c317c0ae49 - main
[INFO] [stderr]   18:     0x7f4bf0459b96 - __libc_start_main
[INFO] [stderr]   19:     0x55c317be9cd9 - _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:     0x55c317ea68f4 - backtrace::backtrace::libunwind::trace::he39e545812a59904
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55c317ea68f4 - backtrace::backtrace::trace_unsynchronized::h596715026eee51e4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55c317ea68f4 - std::sys_common::backtrace::_print_fmt::h196d06c568d25b0f
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55c317ea68f4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h048b813869065926
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55c317ec958c - core::fmt::write::ha16925aac835833d
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1052
[INFO] [stderr]    5:     0x55c317ea37e7 - std::io::Write::write_fmt::h95bfea655590af11
[INFO] [stderr]                                at src/libstd/io/mod.rs:1428
[INFO] [stderr]    6:     0x55c317ea9035 - std::sys_common::backtrace::_print::hcba28209f038ef57
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55c317ea9035 - std::sys_common::backtrace::print::h2707f659204ba9a7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55c317ea9035 - std::panicking::default_hook::{{closure}}::h73b31e76262b5189
[INFO] [stderr]                                at src/libstd/panicking.rs:204
[INFO] [stderr]    9:     0x55c317ea8d76 - std::panicking::default_hook::hca9d9cd32a0cdf06
[INFO] [stderr]                                at src/libstd/panicking.rs:224
[INFO] [stderr]   10:     0x55c317ea9692 - std::panicking::rust_panic_with_hook::h211e519d8a1287b1
[INFO] [stderr]                                at src/libstd/panicking.rs:470
[INFO] [stderr]   11:     0x55c317ea927b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:378
[INFO] [stderr]   12:     0x55c317ec7e21 - core::panicking::panic_fmt::h431de662476685d8
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   13:     0x55c317ec7c43 - core::option::expect_none_failed::hc181fad86cb359f0
[INFO] [stderr]                                at src/libcore/option.rs:1211
[INFO] [stderr]   14:     0x55c317c3725e - core::result::Result<T,E>::expect::hf939c0298e218fac
[INFO] [stderr]                                at /rustc/e6563ac70cbfd3196492061900e9e9793e065e4d/src/libcore/result.rs:961
[INFO] [stderr]   15:     0x55c317c0ac17 - build_script_build::main::h0a5c6d2f1c41ccaf
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   16:     0x55c317c30c4b - std::rt::lang_start::{{closure}}::hfed89da76915ccac
[INFO] [stderr]                                at /rustc/e6563ac70cbfd3196492061900e9e9793e065e4d/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55c317ea9153 - std::rt::lang_start_internal::{{closure}}::hf6d1163571f93f94
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x55c317ea9153 - std::panicking::try::do_call::h7a8ec0b8e0eb339e
[INFO] [stderr]                                at src/libstd/panicking.rs:303
[INFO] [stderr]   19:     0x55c317eafb67 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   20:     0x55c317ea9c09 - std::panicking::try::h297151113815fa59
[INFO] [stderr]                                at src/libstd/panicking.rs:281
[INFO] [stderr]   21:     0x55c317ea9c09 - std::panic::catch_unwind::h73283fb286521b23
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x55c317ea9c09 - std::rt::lang_start_internal::h7ec9065b4aa80248
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x55c317c30c27 - std::rt::lang_start::hf983818fd002e9b6
[INFO] [stderr]                                at /rustc/e6563ac70cbfd3196492061900e9e9793e065e4d/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x55c317c0ae4a - main
[INFO] [stderr]   25:     0x7f4bf0459b97 - __libc_start_main
[INFO] [stderr]   26:     0x55c317be9cda - _start
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "95aa2dbc3e880c82c262aa16d80fa4fd6dac46dc5c3d56a4ddb0323f369bd67b"`
[INFO] running `"docker" "rm" "-f" "95aa2dbc3e880c82c262aa16d80fa4fd6dac46dc5c3d56a4ddb0323f369bd67b"`
[INFO] [stdout] 95aa2dbc3e880c82c262aa16d80fa4fd6dac46dc5c3d56a4ddb0323f369bd67b