[INFO] updating cached repository https://github.com/rchaser53/rust-monkey-ir
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 202bcb9fae0dfa8cc6357c067e8fa399b76172e8
[INFO] checking rchaser53/rust-monkey-ir against try#5fdfba63a96c5e8ae0ebf6b8b66853110277087d for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust-monkey-ir" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/rust-monkey-ir on toolchain 5fdfba63a96c5e8ae0ebf6b8b66853110277087d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80f105e56d773a7d100c4e3bad8e55cb26e38d0adb7e0c7101f4d9ea0d2f9e0a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "80f105e56d773a7d100c4e3bad8e55cb26e38d0adb7e0c7101f4d9ea0d2f9e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80f105e56d773a7d100c4e3bad8e55cb26e38d0adb7e0c7101f4d9ea0d2f9e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80f105e56d773a7d100c4e3bad8e55cb26e38d0adb7e0c7101f4d9ea0d2f9e0a", kill_on_drop: false }`
[INFO] [stdout] 80f105e56d773a7d100c4e3bad8e55cb26e38d0adb7e0c7101f4d9ea0d2f9e0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d4c20f8821293ead7a282b3897efa86ad388af957a169b8d0e0d8a5cbfa2865
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3d4c20f8821293ead7a282b3897efa86ad388af957a169b8d0e0d8a5cbfa2865", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling rust-monkey-ir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling error-chain v0.12.0
[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 synstructure v0.10.0
[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-3fb1439cdf485447/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-130ccc147b542256/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:     0x55b3473ec213 - backtrace::backtrace::libunwind::trace::h1aafaa7ab9e5764f
[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::h00f2d0b746cc312e
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x55b3473e95d3 - backtrace::capture::Backtrace::new_unresolved::h9e4907dcbbcfe1e3
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x55b347202655 - failure::backtrace::internal::InternalBacktrace::new::hb49cd4465a7e6ba8
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x55b34720146c - failure::backtrace::Backtrace::new::h2903bf399892baa2
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x55b347200acb - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::he3ad6760552faa7d
[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:     0x55b3471d5807 - <failure::error::Error as core::convert::From<F>>::from::he0226d1744d6d034
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
[INFO] [stderr]    6:     0x55b3471d0595 - failure::error_message::err_msg::hd9bca123cfd5e712
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error_message.rs:12
[INFO] [stderr]    7:     0x55b3471d2b15 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::ha8b461d3efec9787
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:113
[INFO] [stderr]    8:     0x55b3471f7b4c - core::result::Result<T,E>::map_err::h4ddac8fbca4bee85
[INFO] [stderr]                         at /rustc/5fdfba63a96c5e8ae0ebf6b8b66853110277087d/src/libcore/result.rs:612
[INFO] [stderr]    9:     0x55b3471d17e9 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::h60bda25beb947aa2
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:112
[INFO] [stderr]   10:     0x55b3471d0ac8 - build_script_build::llvm::Generator::parse_llvm_sys_crate::he8017e6e1d922ba3
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:80
[INFO] [stderr]   11:     0x55b3471d082c - build_script_build::main::h2b9de803bd5feed9
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   12:     0x55b3471d400a - std::rt::lang_start::{{closure}}::h8161ea8f32f2aa70
[INFO] [stderr]                         at /rustc/5fdfba63a96c5e8ae0ebf6b8b66853110277087d/src/libstd/rt.rs:67
[INFO] [stderr]   13:     0x55b34741d2a7 - std::rt::lang_start_internal::{{closure}}::h7cea099ad4edf1eb
[INFO] [stderr]                         at src/libstd/rt.rs:52
[INFO] [stderr]                          - std::panicking::try::do_call::h42d93372c44025d2
[INFO] [stderr]                         at src/libstd/panicking.rs:296
[INFO] [stderr]                          - std::panicking::try::hb47a4182362d3341
[INFO] [stderr]                         at src/libstd/panicking.rs:273
[INFO] [stderr]                          - std::panic::catch_unwind::h2afcfbf3125915b4
[INFO] [stderr]                         at src/libstd/panic.rs:394
[INFO] [stderr]                          - std::rt::lang_start_internal::h4f696727fe904f48
[INFO] [stderr]                         at src/libstd/rt.rs:51
[INFO] [stderr]   14:     0x55b3471d3fe6 - std::rt::lang_start::h8b358c915dd61f2d
[INFO] [stderr]                         at /rustc/5fdfba63a96c5e8ae0ebf6b8b66853110277087d/src/libstd/rt.rs:67
[INFO] [stderr]   15:     0x55b3471d0a89 - main
[INFO] [stderr]   16:     0x7f2abc3840b2 - __libc_start_main
[INFO] [stderr]   17:     0x55b3471b91ad - _start
[INFO] [stderr]   18:                0x0 - <unknown>', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:20:10
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55b34741a025 - backtrace::backtrace::libunwind::trace::h34afbfad7fd770fc
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55b34741a025 - backtrace::backtrace::trace_unsynchronized::h460d522b1619a600
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55b34741a025 - std::sys_common::backtrace::_print_fmt::ha45fac10086813b4
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55b34741a025 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hde84f63fcfd0e6de
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55b347440e4c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x55b3474170c3 - std::io::Write::write_fmt::hc344eafd6e850b4d
[INFO] [stderr]                                at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6:     0x55b34741c7e0 - std::sys_common::backtrace::_print::h4db88ff15cb5d61d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55b34741c7e0 - std::sys_common::backtrace::print::h5fc39e1b1f610bd3
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55b34741c7e0 - std::panicking::default_hook::{{closure}}::h59e55edacb1d974a
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55b34741c52c - std::panicking::default_hook::heee4c8016dfbf328
[INFO] [stderr]                                at src/libstd/panicking.rs:217
[INFO] [stderr]   10:     0x55b34741ce17 - std::panicking::rust_panic_with_hook::h8405b6301c79fb5a
[INFO] [stderr]                                at src/libstd/panicking.rs:473
[INFO] [stderr]   11:     0x55b34741ca1b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]   12:     0x55b34743f7e1 - core::panicking::panic_fmt::h78830ea6a34e7206
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   13:     0x55b34743f603 - core::option::expect_none_failed::hf79bbb5ca7e09e08
[INFO] [stderr]                                at src/libcore/option.rs:1274
[INFO] [stderr]   14:     0x55b3471f77df - core::result::Result<T,E>::expect::h1fc817d9e87e4217
[INFO] [stderr]                                at /rustc/5fdfba63a96c5e8ae0ebf6b8b66853110277087d/src/libcore/result.rs:963
[INFO] [stderr]   15:     0x55b3471d0857 - build_script_build::main::h2b9de803bd5feed9
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   16:     0x55b3471d400b - std::rt::lang_start::{{closure}}::h8161ea8f32f2aa70
[INFO] [stderr]                                at /rustc/5fdfba63a96c5e8ae0ebf6b8b66853110277087d/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55b34741d2a8 - std::rt::lang_start_internal::{{closure}}::h7cea099ad4edf1eb
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x55b34741d2a8 - std::panicking::try::do_call::h42d93372c44025d2
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   19:     0x55b34741d2a8 - std::panicking::try::hb47a4182362d3341
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   20:     0x55b34741d2a8 - std::panic::catch_unwind::h2afcfbf3125915b4
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x55b34741d2a8 - std::rt::lang_start_internal::h4f696727fe904f48
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x55b3471d3fe7 - std::rt::lang_start::h8b358c915dd61f2d
[INFO] [stderr]                                at /rustc/5fdfba63a96c5e8ae0ebf6b8b66853110277087d/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x55b3471d0a8a - main
[INFO] [stderr]   24:     0x7f2abc3840b3 - __libc_start_main
[INFO] [stderr]   25:     0x55b3471b91ae - _start
[INFO] [stderr]   26:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "3d4c20f8821293ead7a282b3897efa86ad388af957a169b8d0e0d8a5cbfa2865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d4c20f8821293ead7a282b3897efa86ad388af957a169b8d0e0d8a5cbfa2865", kill_on_drop: false }`
[INFO] [stdout] 3d4c20f8821293ead7a282b3897efa86ad388af957a169b8d0e0d8a5cbfa2865