[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#98d5ea1855f1028095b37c493ba31093c8519d68 for pr-69548
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust-monkey-ir" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/rust-monkey-ir on toolchain 98d5ea1855f1028095b37c493ba31093c8519d68
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "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-3/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" "+98d5ea1855f1028095b37c493ba31093c8519d68" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+98d5ea1855f1028095b37c493ba31093c8519d68" "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] 006b50eb8ed49f5e2c87bf298eae9481d4c3b93a721feedb55a6a5e0a3a33308
[INFO] running `"docker" "start" "-a" "006b50eb8ed49f5e2c87bf298eae9481d4c3b93a721feedb55a6a5e0a3a33308"`
[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 proc-macro2 v0.4.20
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling error-chain v0.12.0
[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 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-6cebf30a46d9783c/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-76c70202a5a2f054/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:     0x5604a8486d73 - backtrace::backtrace::libunwind::trace::h762fbe1832b1e398
[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::h0b46c42d26a536ec
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x5604a84836b3 - backtrace::capture::Backtrace::new_unresolved::h293f42a71b6743ad
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x5604a828063d - failure::backtrace::internal::InternalBacktrace::new::hba080fcad4d92f48
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x5604a827ef7c - failure::backtrace::Backtrace::new::h6f7bb1e815c93de0
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x5604a827e5cb - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h1d7620ac8dcf752c
[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:     0x5604a827a837 - <failure::error::Error as core::convert::From<F>>::from::h5c718da7a94d2e56
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
[INFO] [stderr]    6:     0x5604a824a145 - failure::error_message::err_msg::h064a3ba22ad89010
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error_message.rs:12
[INFO] [stderr]    7:     0x5604a824c395 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::h2ef6fcb5714ed2f6
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:113
[INFO] [stderr]    8:     0x5604a824ea2c - core::result::Result<T,E>::map_err::hd08a6bcadf754746
[INFO] [stderr]                         at /rustc/98d5ea1855f1028095b37c493ba31093c8519d68/src/libcore/result.rs:610
[INFO] [stderr]    9:     0x5604a824b069 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::h8a4c4be9518cf982
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:112
[INFO] [stderr]   10:     0x5604a824a2f8 - build_script_build::llvm::Generator::parse_llvm_sys_crate::h6b18fcaf8112696d
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:80
[INFO] [stderr]   11:     0x5604a827ea8c - build_script_build::main::h8b33a346afe71fbe
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   12:     0x5604a827841a - std::rt::lang_start::{{closure}}::h895ac3a5d7e35908
[INFO] [stderr]                         at /rustc/98d5ea1855f1028095b37c493ba31093c8519d68/src/libstd/rt.rs:67
[INFO] [stderr]   13:     0x5604a84b65e2 - std::rt::lang_start_internal::{{closure}}::h61d5c3451bec072d
[INFO] [stderr]                         at src/libstd/rt.rs:52
[INFO] [stderr]                          - std::panicking::try::do_call::hdd0e17410f503003
[INFO] [stderr]                         at src/libstd/panicking.rs:303
[INFO] [stderr]   14:     0x5604a84bce36 - __rust_maybe_catch_panic
[INFO] [stderr]                         at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   15:     0x5604a84b7098 - std::panicking::try::h8119bff16c4e7a4b
[INFO] [stderr]                         at src/libstd/panicking.rs:281
[INFO] [stderr]                          - std::panic::catch_unwind::hd3df37601ad6cabd
[INFO] [stderr]                         at src/libstd/panic.rs:394
[INFO] [stderr]                          - std::rt::lang_start_internal::hf39ed062aa77af27
[INFO] [stderr]                         at src/libstd/rt.rs:51
[INFO] [stderr]   16:     0x5604a82783f6 - std::rt::lang_start::hb8d68414717f1f0e
[INFO] [stderr]                         at /rustc/98d5ea1855f1028095b37c493ba31093c8519d68/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x5604a827ece9 - main
[INFO] [stderr]   18:     0x7f81cd20bb96 - __libc_start_main
[INFO] [stderr]   19:     0x5604a8232d29 - _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:     0x5604a84b3dc4 - backtrace::backtrace::libunwind::trace::h24a5370b1319bd7a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x5604a84b3dc4 - backtrace::backtrace::trace_unsynchronized::h379c9792f6ef4460
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5604a84b3dc4 - std::sys_common::backtrace::_print_fmt::h3a5b75e57443723b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x5604a84b3dc4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h687231ba2da68c61
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x5604a84d673c - core::fmt::write::hcd5b491a4c454b4c
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1053
[INFO] [stderr]    5:     0x5604a84b0e27 - std::io::Write::write_fmt::h1941e8ffe6b84e9d
[INFO] [stderr]                                at src/libstd/io/mod.rs:1428
[INFO] [stderr]    6:     0x5604a84b64c5 - std::sys_common::backtrace::_print::h7d1ce732706a3f42
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x5604a84b64c5 - std::sys_common::backtrace::print::h5a2c706016c622b7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x5604a84b64c5 - std::panicking::default_hook::{{closure}}::h8bfd3f5bb7a4dc18
[INFO] [stderr]                                at src/libstd/panicking.rs:204
[INFO] [stderr]    9:     0x5604a84b6207 - std::panicking::default_hook::h4d543fda461ebcf5
[INFO] [stderr]                                at src/libstd/panicking.rs:224
[INFO] [stderr]   10:     0x5604a84b6b22 - std::panicking::rust_panic_with_hook::h19e61792824f3a44
[INFO] [stderr]                                at src/libstd/panicking.rs:470
[INFO] [stderr]   11:     0x5604a84b670b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:378
[INFO] [stderr]   12:     0x5604a84d5101 - core::panicking::panic_fmt::h964c909962d2459f
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   13:     0x5604a84d4f23 - core::option::expect_none_failed::hcb1aac314c055b07
[INFO] [stderr]                                at src/libcore/option.rs:1211
[INFO] [stderr]   14:     0x5604a824e320 - core::result::Result<T,E>::expect::hd1ecf8bc13f0f8e6
[INFO] [stderr]                                at /rustc/98d5ea1855f1028095b37c493ba31093c8519d68/src/libcore/result.rs:961
[INFO] [stderr]   15:     0x5604a827eab7 - build_script_build::main::h8b33a346afe71fbe
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   16:     0x5604a827841b - std::rt::lang_start::{{closure}}::h895ac3a5d7e35908
[INFO] [stderr]                                at /rustc/98d5ea1855f1028095b37c493ba31093c8519d68/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x5604a84b65e3 - std::rt::lang_start_internal::{{closure}}::h61d5c3451bec072d
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x5604a84b65e3 - std::panicking::try::do_call::hdd0e17410f503003
[INFO] [stderr]                                at src/libstd/panicking.rs:303
[INFO] [stderr]   19:     0x5604a84bce37 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   20:     0x5604a84b7099 - std::panicking::try::h8119bff16c4e7a4b
[INFO] [stderr]                                at src/libstd/panicking.rs:281
[INFO] [stderr]   21:     0x5604a84b7099 - std::panic::catch_unwind::hd3df37601ad6cabd
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x5604a84b7099 - std::rt::lang_start_internal::hf39ed062aa77af27
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x5604a82783f7 - std::rt::lang_start::hb8d68414717f1f0e
[INFO] [stderr]                                at /rustc/98d5ea1855f1028095b37c493ba31093c8519d68/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x5604a827ecea - main
[INFO] [stderr]   25:     0x7f81cd20bb97 - __libc_start_main
[INFO] [stderr]   26:     0x5604a8232d2a - _start
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "006b50eb8ed49f5e2c87bf298eae9481d4c3b93a721feedb55a6a5e0a3a33308"`
[INFO] running `"docker" "rm" "-f" "006b50eb8ed49f5e2c87bf298eae9481d4c3b93a721feedb55a6a5e0a3a33308"`
[INFO] [stdout] 006b50eb8ed49f5e2c87bf298eae9481d4c3b93a721feedb55a6a5e0a3a33308