[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#e60d9e09c55855f5a848fde8ad83e13131a5b241 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust-monkey-ir" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/rust-monkey-ir on toolchain e60d9e09c55855f5a848fde8ad83e13131a5b241
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "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-10/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" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "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] 375c700338a7c8132bd7375a6f060bb6693cdb8ef5831adc60c42077b7dd5baa
[INFO] running `"docker" "start" "-a" "375c700338a7c8132bd7375a6f060bb6693cdb8ef5831adc60c42077b7dd5baa"`
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[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 serde v1.0.80
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling syn v0.15.13
[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 error-chain v0.12.0
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling synstructure v0.10.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.32
[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-b3d54dd210d5465c/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-fbe063e169bf8d07/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:     0x555c9e13dbe3 - backtrace::backtrace::libunwind::trace::h72a98a2eaa78dc53
[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::h4fffdc9307ce851c
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x555c9e132953 - backtrace::capture::Backtrace::new_unresolved::h7489aab1848d7833
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x555c9dee006b - failure::backtrace::internal::InternalBacktrace::new::ha72e0d1c8b7a1305
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x555c9dedf3dc - failure::backtrace::Backtrace::new::hfe3a515ae3ec3a5d
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x555c9de9e30b - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::hd5249b0470743e4e
[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:     0x555c9ded91f7 - <failure::error::Error as core::convert::From<F>>::from::h91de2846bbcb68d7
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
[INFO] [stderr]    6:     0x555c9deb0985 - failure::error_message::err_msg::h53ac19db33cbfba8
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error_message.rs:12
[INFO] [stderr]    7:     0x555c9deadec4 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::h6f3fe139fa35884d
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:113
[INFO] [stderr]    8:     0x555c9dede428 - core::result::Result<T,E>::map_err::h84c8728fc5c14bcc
[INFO] [stderr]                         at /rustc/e60d9e09c55855f5a848fde8ad83e13131a5b241/src/libcore/result.rs:603
[INFO] [stderr]    9:     0x555c9deaca89 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::habcd3d5ecc7e44f3
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:112
[INFO] [stderr]   10:     0x555c9deabb48 - build_script_build::llvm::Generator::parse_llvm_sys_crate::h32cef34c8109619a
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:80
[INFO] [stderr]   11:     0x555c9deb0c60 - build_script_build::main::h42c6d814ff1de5d9
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   12:     0x555c9ded97ef - std::rt::lang_start::{{closure}}::h036354f3c7074d9b
[INFO] [stderr]                         at /rustc/e60d9e09c55855f5a848fde8ad83e13131a5b241/src/libstd/rt.rs:67
[INFO] [stderr]   13:     0x555c9e1689c2 - std::rt::lang_start_internal::{{closure}}::h772611e6ebc1e85c
[INFO] [stderr]                         at src/libstd/rt.rs:52
[INFO] [stderr]                          - std::panicking::try::do_call::h0e021965f0ece434
[INFO] [stderr]                         at src/libstd/panicking.rs:305
[INFO] [stderr]   14:     0x555c9e16ede6 - __rust_maybe_catch_panic
[INFO] [stderr]                         at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   15:     0x555c9e16945f - std::panicking::try::h8a1fdc1cf4c906f9
[INFO] [stderr]                         at src/libstd/panicking.rs:281
[INFO] [stderr]                          - std::panic::catch_unwind::h799234ecf355f5d7
[INFO] [stderr]                         at src/libstd/panic.rs:394
[INFO] [stderr]                          - std::rt::lang_start_internal::h6663d8b785e6689f
[INFO] [stderr]                         at src/libstd/rt.rs:51
[INFO] [stderr]   16:     0x555c9ded97c8 - std::rt::lang_start::hc486c83fa7e25495
[INFO] [stderr]                         at /rustc/e60d9e09c55855f5a848fde8ad83e13131a5b241/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x555c9deb0ec9 - main
[INFO] [stderr]   18:     0x7f05f3cecb96 - __libc_start_main
[INFO] [stderr]   19:     0x555c9de7fa29 - _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:     0x555c9e166594 - backtrace::backtrace::libunwind::trace::hd3621c56e1a82b0a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x555c9e166594 - backtrace::backtrace::trace_unsynchronized::h127a46c1d6aa4138
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x555c9e166594 - std::sys_common::backtrace::_print_fmt::hfb10ea147c250179
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x555c9e166594 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::heca9e4a472b1181e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x555c9e186b9c - core::fmt::write::h54f88987482a5b75
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1057
[INFO] [stderr]    5:     0x555c9e163867 - std::io::Write::write_fmt::he140747fba757439
[INFO] [stderr]                                at src/libstd/io/mod.rs:1426
[INFO] [stderr]    6:     0x555c9e168895 - std::sys_common::backtrace::_print::hf5ab867f01eb06e3
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x555c9e168895 - std::sys_common::backtrace::print::hb7ea4d1c97dea23b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x555c9e168895 - std::panicking::default_hook::{{closure}}::h68c54342c8022088
[INFO] [stderr]                                at src/libstd/panicking.rs:204
[INFO] [stderr]    9:     0x555c9e168581 - std::panicking::default_hook::hfa9dc9c6d07432d7
[INFO] [stderr]                                at src/libstd/panicking.rs:224
[INFO] [stderr]   10:     0x555c9e168efa - std::panicking::rust_panic_with_hook::hffd6e7ce90eff43e
[INFO] [stderr]                                at src/libstd/panicking.rs:472
[INFO] [stderr]   11:     0x555c9e168ae0 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:380
[INFO] [stderr]   12:     0x555c9e185531 - core::panicking::panic_fmt::h4593b36ffa9e161a
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   13:     0x555c9e185353 - core::option::expect_none_failed::h139d78ab53e720fb
[INFO] [stderr]                                at src/libcore/option.rs:1198
[INFO] [stderr]   14:     0x555c9deddce3 - core::result::Result<T,E>::expect::h3f2b7352566f70a5
[INFO] [stderr]                                at /rustc/e60d9e09c55855f5a848fde8ad83e13131a5b241/src/libcore/result.rs:990
[INFO] [stderr]   15:     0x555c9deb0c8b - build_script_build::main::h42c6d814ff1de5d9
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   16:     0x555c9ded97f0 - std::rt::lang_start::{{closure}}::h036354f3c7074d9b
[INFO] [stderr]                                at /rustc/e60d9e09c55855f5a848fde8ad83e13131a5b241/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x555c9e1689c3 - std::rt::lang_start_internal::{{closure}}::h772611e6ebc1e85c
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x555c9e1689c3 - std::panicking::try::do_call::h0e021965f0ece434
[INFO] [stderr]                                at src/libstd/panicking.rs:305
[INFO] [stderr]   19:     0x555c9e16ede7 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   20:     0x555c9e169460 - std::panicking::try::h8a1fdc1cf4c906f9
[INFO] [stderr]                                at src/libstd/panicking.rs:281
[INFO] [stderr]   21:     0x555c9e169460 - std::panic::catch_unwind::h799234ecf355f5d7
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x555c9e169460 - std::rt::lang_start_internal::h6663d8b785e6689f
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x555c9ded97c9 - std::rt::lang_start::hc486c83fa7e25495
[INFO] [stderr]                                at /rustc/e60d9e09c55855f5a848fde8ad83e13131a5b241/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x555c9deb0eca - main
[INFO] [stderr]   25:     0x7f05f3cecb97 - __libc_start_main
[INFO] [stderr]   26:     0x555c9de7fa2a - _start
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "375c700338a7c8132bd7375a6f060bb6693cdb8ef5831adc60c42077b7dd5baa"`
[INFO] running `"docker" "rm" "-f" "375c700338a7c8132bd7375a6f060bb6693cdb8ef5831adc60c42077b7dd5baa"`
[INFO] [stdout] 375c700338a7c8132bd7375a6f060bb6693cdb8ef5831adc60c42077b7dd5baa