[INFO] cloning 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" "clone" "--bare" "https://github.com/rchaser53/rust-monkey-ir" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust-monkey-ir", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust-monkey-ir'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 202bcb9fae0dfa8cc6357c067e8fa399b76172e8
[INFO] checking rchaser53/rust-monkey-ir against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust-monkey-ir" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/rust-monkey-ir on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "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-11/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" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03b1734767dc461f8755978e68e4687c471bc6e371a865a79dcccd6ef99bc2d4
[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" "03b1734767dc461f8755978e68e4687c471bc6e371a865a79dcccd6ef99bc2d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03b1734767dc461f8755978e68e4687c471bc6e371a865a79dcccd6ef99bc2d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b1734767dc461f8755978e68e4687c471bc6e371a865a79dcccd6ef99bc2d4", kill_on_drop: false }`
[INFO] [stdout] 03b1734767dc461f8755978e68e4687c471bc6e371a865a79dcccd6ef99bc2d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa1034e2a11787805d0cd85c179e530af0500480ad78fc973ecac3080f26598f
[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" "fa1034e2a11787805d0cd85c179e530af0500480ad78fc973ecac3080f26598f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 semver-parser v0.7.0
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[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 aho-corasick v0.6.8
[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]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling error-chain v0.12.0
[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 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-5cff701f39039557/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-ce6c99605c7751fe/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:     0x562ab03bcd33 - backtrace::backtrace::libunwind::trace::h2de54a98ba8c8380
[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::ha5ca519241bb998d
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]      1:     0x562ab03b9bb3 - backtrace::capture::Backtrace::new_unresolved::hd85d0f1d97c45494
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]      2:     0x562ab01d3f4d - failure::backtrace::internal::InternalBacktrace::new::hf6d7ab7915be411a
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
[INFO] [stderr]      3:     0x562ab01d2dcc - failure::backtrace::Backtrace::new::h48b90ddb859db69e
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
[INFO] [stderr]      4:     0x562ab01cc15b - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::hd27bcda3ac6a697d
[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:     0x562ab01d2017 - <failure::error::Error as core::convert::From<F>>::from::h721ae49c29fe353e
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
[INFO] [stderr]      6:     0x562ab01d2115 - failure::error_message::err_msg::h6ea2fca7b19f99ac
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error_message.rs:12
[INFO] [stderr]      7:     0x562ab01a46b1 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::h244a963884bad4b1
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:113
[INFO] [stderr]      8:     0x562ab01a760c - core::result::Result<T,E>::map_err::h6cfc440743bea80c
[INFO] [stderr]                           at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/result.rs:595
[INFO] [stderr]      9:     0x562ab01a3389 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::h1e9b0ce86d28b621
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:112
[INFO] [stderr]     10:     0x562ab01a2698 - build_script_build::llvm::Generator::parse_llvm_sys_crate::h1182f1c7f8c0e138
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:80
[INFO] [stderr]     11:     0x562ab01d23fc - build_script_build::main::hd2f399103606611e
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]     12:     0x562ab01cc84a - core::ops::function::FnOnce::call_once::h304b14ccfe288901
[INFO] [stderr]                           at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/ops/function.rs:227
[INFO] [stderr]     13:     0x562ab01d079d - std::sys_common::backtrace::__rust_begin_short_backtrace::h48c8d2e37884258c
[INFO] [stderr]                           at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     14:     0x562ab01a90a0 - std::rt::lang_start::{{closure}}::haedd0f45eb194b22
[INFO] [stderr]                           at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/rt.rs:66
[INFO] [stderr]     15:     0x562ab03f8930 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hecc21eb9018cc197
[INFO] [stderr]                           at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/ops/function.rs:259
[INFO] [stderr]                            - std::panicking::try::do_call::h174ad655d084b5c7
[INFO] [stderr]                           at library/std/src/panicking.rs:381
[INFO] [stderr]                            - std::panicking::try::h479e6054ce28de10
[INFO] [stderr]                           at library/std/src/panicking.rs:345
[INFO] [stderr]                            - std::panic::catch_unwind::hb558ddea2b3e9c45
[INFO] [stderr]                           at library/std/src/panic.rs:382
[INFO] [stderr]                            - std::rt::lang_start_internal::h163149047f0a8b61
[INFO] [stderr]                           at library/std/src/rt.rs:51
[INFO] [stderr]     16:     0x562ab01a9076 - std::rt::lang_start::h32a65684db73bda5
[INFO] [stderr]                           at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/rt.rs:65
[INFO] [stderr]     17:     0x562ab01d2659 - main
[INFO] [stderr]     18:     0x7fd8387330b2 - __libc_start_main
[INFO] [stderr]     19:     0x562ab018f18d - _start
[INFO] [stderr]     20:                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:     0x562ab03f5a60 - std::backtrace_rs::backtrace::libunwind::trace::h452faf99f32e7c93
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x562ab03f5a60 - std::backtrace_rs::backtrace::trace_unsynchronized::he40edc71437667a1
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x562ab03f5a60 - std::sys_common::backtrace::_print_fmt::h6c51d6ade71f46bf
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x562ab03f5a60 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3cd15d7003dec37a
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x562ab041793c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]      5:     0x562ab03f2e27 - std::io::Write::write_fmt::hac61caff894c35ae
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/io/mod.rs:1517
[INFO] [stderr]      6:     0x562ab03f7e00 - std::sys_common::backtrace::_print::haa2f390fb7957e3e
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x562ab03f7e00 - std::sys_common::backtrace::print::h48c7cbbad9013bb1
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x562ab03f7e00 - std::panicking::default_hook::{{closure}}::h8b7ff05a31e71d55
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x562ab03f7b4c - std::panicking::default_hook::h2f00c78800d98e4c
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x562ab03f8463 - std::panicking::rust_panic_with_hook::h4eaa635e4694aef3
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x562ab03f8039 - std::panicking::begin_panic_handler::{{closure}}::hec242f1b136b5ff2
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:484
[INFO] [stderr]     12:     0x562ab03f5ecc - std::sys_common::backtrace::__rust_end_short_backtrace::h1f3cc383ee6c0374
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x562ab03f7ff9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:483
[INFO] [stderr]     14:     0x562ab04161f1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x562ab0416013 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/option.rs:1221
[INFO] [stderr]     16:     0x562ab01a710f - core::result::Result<T,E>::expect::h4c58028fe9b7d6bf
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/result.rs:933
[INFO] [stderr]     17:     0x562ab01d2427 - build_script_build::main::hd2f399103606611e
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]     18:     0x562ab01cc84b - core::ops::function::FnOnce::call_once::h304b14ccfe288901
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/ops/function.rs:227
[INFO] [stderr]     19:     0x562ab01d079e - std::sys_common::backtrace::__rust_begin_short_backtrace::h48c8d2e37884258c
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     20:     0x562ab01a90a1 - std::rt::lang_start::{{closure}}::haedd0f45eb194b22
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/rt.rs:66
[INFO] [stderr]     21:     0x562ab03f8931 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hecc21eb9018cc197
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/ops/function.rs:259
[INFO] [stderr]     22:     0x562ab03f8931 - std::panicking::try::do_call::h174ad655d084b5c7
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:381
[INFO] [stderr]     23:     0x562ab03f8931 - std::panicking::try::h479e6054ce28de10
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:345
[INFO] [stderr]     24:     0x562ab03f8931 - std::panic::catch_unwind::hb558ddea2b3e9c45
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panic.rs:382
[INFO] [stderr]     25:     0x562ab03f8931 - std::rt::lang_start_internal::h163149047f0a8b61
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/rt.rs:51
[INFO] [stderr]     26:     0x562ab01a9077 - std::rt::lang_start::h32a65684db73bda5
[INFO] [stderr]                                  at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/rt.rs:65
[INFO] [stderr]     27:     0x562ab01d265a - main
[INFO] [stderr]     28:     0x7fd8387330b3 - __libc_start_main
[INFO] [stderr]     29:     0x562ab018f18e - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "fa1034e2a11787805d0cd85c179e530af0500480ad78fc973ecac3080f26598f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa1034e2a11787805d0cd85c179e530af0500480ad78fc973ecac3080f26598f", kill_on_drop: false }`
[INFO] [stdout] fa1034e2a11787805d0cd85c179e530af0500480ad78fc973ecac3080f26598f