[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 master#446e5e57b667c841ba3ebb4b41b44fb98bd3af4b for pr-65294
[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 446e5e57b667c841ba3ebb4b41b44fb98bd3af4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "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" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "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" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9d23ce41190591a90bc3e845580b100a37bd1ca4d9259fe7529574cdaab18990
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9d23ce41190591a90bc3e845580b100a37bd1ca4d9259fe7529574cdaab18990"`
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling libloading v0.5.0
[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 serde v1.0.80
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[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 failure_derive v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling llvm-sys v70.0.1
[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-ea3756dbd748d85d/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-0acec8787f468a1a/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:     0x55fa88a43763 - backtrace::backtrace::libunwind::trace::ha7dc0de5a0ab1813
[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::hec35e67330b1395e
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x55fa88a36b73 - backtrace::capture::Backtrace::new_unresolved::h965cf1b87c2fd7fd
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x55fa887e2c4b - failure::backtrace::internal::InternalBacktrace::new::h1dffb3aaa0e15685
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x55fa887e271c - failure::backtrace::Backtrace::new::h30b55b26578c38ee
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x55fa887a1dab - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::hc6cb89ea9645d1ec
[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:     0x55fa887af6b7 - <failure::error::Error as core::convert::From<F>>::from::hc300c4fb1732af90
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
[INFO] [stderr]    6:     0x55fa887af7a5 - failure::error_message::err_msg::hf95034a0ac34012d
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error_message.rs:12
[INFO] [stderr]    7:     0x55fa887b1c58 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::h894c470e7a510f3c
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:113
[INFO] [stderr]    8:     0x55fa887e1b28 - core::result::Result<T,E>::map_err::h2cf18bd944d7e31c
[INFO] [stderr]                         at /rustc/446e5e57b667c841ba3ebb4b41b44fb98bd3af4b/src/libcore/result.rs:574
[INFO] [stderr]    9:     0x55fa887b0879 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::h39d643d5b1f23865
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:112
[INFO] [stderr]   10:     0x55fa887af938 - build_script_build::llvm::Generator::parse_llvm_sys_crate::h7f81cb20a65a33b4
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:80
[INFO] [stderr]   11:     0x55fa887b6101 - build_script_build::main::hae1a4b0de21117c3
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   12:     0x55fa8879f9ff - std::rt::lang_start::{{closure}}::h48f02b1b69845f3c
[INFO] [stderr]                         at /rustc/446e5e57b667c841ba3ebb4b41b44fb98bd3af4b/src/libstd/rt.rs:61
[INFO] [stderr]   13:     0x55fa88a6cc22 - std::rt::lang_start_internal::{{closure}}::hbb846b1e183cc6f4
[INFO] [stderr]                         at src/libstd/rt.rs:48
[INFO] [stderr]                          - std::panicking::try::do_call::h63eace360fa6cc01
[INFO] [stderr]                         at src/libstd/panicking.rs:288
[INFO] [stderr]   14:     0x55fa88a731c9 - __rust_maybe_catch_panic
[INFO] [stderr]                         at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   15:     0x55fa88a6d7ac - std::panicking::try::h3b1bd45eacecf915
[INFO] [stderr]                         at src/libstd/panicking.rs:267
[INFO] [stderr]                          - std::panic::catch_unwind::hfbf4a2b77b10aaa4
[INFO] [stderr]                         at src/libstd/panic.rs:396
[INFO] [stderr]                          - std::rt::lang_start_internal::h3d7248e04377da19
[INFO] [stderr]                         at src/libstd/rt.rs:47
[INFO] [stderr]   16:     0x55fa8879f9d8 - std::rt::lang_start::h4b75068e60a9eae1
[INFO] [stderr]                         at /rustc/446e5e57b667c841ba3ebb4b41b44fb98bd3af4b/src/libstd/rt.rs:61
[INFO] [stderr]   17:     0x55fa887b6329 - main
[INFO] [stderr]   18:     0x7f9709353b96 - __libc_start_main
[INFO] [stderr]   19:     0x55fa887847a9 - _start
[INFO] [stderr]   20:                0x0 - <unknown>', src/libcore/result.rs:1165:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55fa88a6a4e4 - backtrace::backtrace::libunwind::trace::hf7e4e82efae30884
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55fa88a6a4e4 - backtrace::backtrace::trace_unsynchronized::h0b0315e5422bf5c5
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55fa88a6a4e4 - std::sys_common::backtrace::_print_fmt::ha6354f2d842cef76
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x55fa88a6a4e4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd54b1f5cf3adafe0
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]    4:     0x55fa88a8ca8c - core::fmt::write::hc967ac066a03859c
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1028
[INFO] [stderr]    5:     0x55fa88a677f7 - std::io::Write::write_fmt::h5b4ad0ea64c4a019
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x55fa88a6cafe - std::sys_common::backtrace::_print::h51b22d5c4d74bb83
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:65
[INFO] [stderr]    7:     0x55fa88a6cafe - std::sys_common::backtrace::print::h82f50a23f8a5bfab
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:50
[INFO] [stderr]    8:     0x55fa88a6cafe - std::panicking::default_hook::{{closure}}::h7ceeb6dc02a24c61
[INFO] [stderr]                                at src/libstd/panicking.rs:189
[INFO] [stderr]    9:     0x55fa88a6c801 - std::panicking::default_hook::h123f2472ae8cf2b5
[INFO] [stderr]                                at src/libstd/panicking.rs:206
[INFO] [stderr]   10:     0x55fa88a6d1f5 - std::panicking::rust_panic_with_hook::hf57d1dbfa9883023
[INFO] [stderr]                                at src/libstd/panicking.rs:469
[INFO] [stderr]   11:     0x55fa88a6cd92 - std::panicking::continue_panic_fmt::he2a5eeeb3a084826
[INFO] [stderr]                                at src/libstd/panicking.rs:376
[INFO] [stderr]   12:     0x55fa88a6cc86 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:303
[INFO] [stderr]   13:     0x55fa88a898fa - core::panicking::panic_fmt::h37f4bfee9976e4e2
[INFO] [stderr]                                at src/libcore/panicking.rs:84
[INFO] [stderr]   14:     0x55fa88a899f7 - core::result::unwrap_failed::h5532a76e6fe03f89
[INFO] [stderr]                                at src/libcore/result.rs:1165
[INFO] [stderr]   15:     0x55fa887e13c0 - core::result::Result<T,E>::expect::hd2f4bcca0919398b
[INFO] [stderr]                                at /rustc/446e5e57b667c841ba3ebb4b41b44fb98bd3af4b/src/libcore/result.rs:960
[INFO] [stderr]   16:     0x55fa887b6125 - build_script_build::main::hae1a4b0de21117c3
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   17:     0x55fa8879fa00 - std::rt::lang_start::{{closure}}::h48f02b1b69845f3c
[INFO] [stderr]                                at /rustc/446e5e57b667c841ba3ebb4b41b44fb98bd3af4b/src/libstd/rt.rs:61
[INFO] [stderr]   18:     0x55fa88a6cc23 - std::rt::lang_start_internal::{{closure}}::hbb846b1e183cc6f4
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   19:     0x55fa88a6cc23 - std::panicking::try::do_call::h63eace360fa6cc01
[INFO] [stderr]                                at src/libstd/panicking.rs:288
[INFO] [stderr]   20:     0x55fa88a731ca - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   21:     0x55fa88a6d7ad - std::panicking::try::h3b1bd45eacecf915
[INFO] [stderr]                                at src/libstd/panicking.rs:267
[INFO] [stderr]   22:     0x55fa88a6d7ad - std::panic::catch_unwind::hfbf4a2b77b10aaa4
[INFO] [stderr]                                at src/libstd/panic.rs:396
[INFO] [stderr]   23:     0x55fa88a6d7ad - std::rt::lang_start_internal::h3d7248e04377da19
[INFO] [stderr]                                at src/libstd/rt.rs:47
[INFO] [stderr]   24:     0x55fa8879f9d9 - std::rt::lang_start::h4b75068e60a9eae1
[INFO] [stderr]                                at /rustc/446e5e57b667c841ba3ebb4b41b44fb98bd3af4b/src/libstd/rt.rs:61
[INFO] [stderr]   25:     0x55fa887b632a - main
[INFO] [stderr]   26:     0x7f9709353b97 - __libc_start_main
[INFO] [stderr]   27:     0x55fa887847aa - _start
[INFO] [stderr]   28:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "9d23ce41190591a90bc3e845580b100a37bd1ca4d9259fe7529574cdaab18990"`
[INFO] running `"docker" "rm" "-f" "9d23ce41190591a90bc3e845580b100a37bd1ca4d9259fe7529574cdaab18990"`
[INFO] [stdout] 9d23ce41190591a90bc3e845580b100a37bd1ca4d9259fe7529574cdaab18990