[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#b1f395de642e8be7bcbbd2bd8aaadab715851f49 for pr-69410
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust-monkey-ir" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/rust-monkey-ir on toolchain b1f395de642e8be7bcbbd2bd8aaadab715851f49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "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-13/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" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "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] bc10cc9308b32e7b8d5febe40c6a2a6155cee5bafb96ffdd350224b079c84b3e
[INFO] running `"docker" "start" "-a" "bc10cc9308b32e7b8d5febe40c6a2a6155cee5bafb96ffdd350224b079c84b3e"`
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[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]    Compiling 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 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-a09a64fcdd1463a5/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-7b4faff96ae22079/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:     0x55cef194c5f3 - backtrace::backtrace::libunwind::trace::h83fa02108045e42b
[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::h8523bee390fe30ea
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x55cef1948893 - backtrace::capture::Backtrace::new_unresolved::h2259db7c4b8f5ed5
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x55cef170e35d - failure::backtrace::internal::InternalBacktrace::new::hb38f1b15aaa3b623
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x55cef170d18c - failure::backtrace::Backtrace::new::hc24e68f2d52d01b9
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x55cef16d63fb - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h849c885b03beadeb
[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:     0x55cef1707c57 - <failure::error::Error as core::convert::From<F>>::from::h45b2c8f6cd731659
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
[INFO] [stderr]    6:     0x55cef16df525 - failure::error_message::err_msg::haed99b33d9918b32
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error_message.rs:12
[INFO] [stderr]    7:     0x55cef16d8a35 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::he96f4def480e4344
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:113
[INFO] [stderr]    8:     0x55cef170c335 - core::result::Result<T,E>::map_err::h1437efa34a2d2436
[INFO] [stderr]                         at /rustc/b1f395de642e8be7bcbbd2bd8aaadab715851f49/src/libcore/result.rs:610
[INFO] [stderr]    9:     0x55cef16d7549 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::h93e1d0634de442cc
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:112
[INFO] [stderr]   10:     0x55cef16d65e8 - build_script_build::llvm::Generator::parse_llvm_sys_crate::h3874be42da24ca64
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:80
[INFO] [stderr]   11:     0x55cef16df7bc - build_script_build::main::hadcb496fdc02d665
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   12:     0x55cef170581a - std::rt::lang_start::{{closure}}::h64df015109b6f218
[INFO] [stderr]                         at /rustc/b1f395de642e8be7bcbbd2bd8aaadab715851f49/src/libstd/rt.rs:67
[INFO] [stderr]   13:     0x55cef197cae2 - std::rt::lang_start_internal::{{closure}}::hcca65089bf50e764
[INFO] [stderr]                         at src/libstd/rt.rs:52
[INFO] [stderr]                          - std::panicking::try::do_call::h5d688de95825d379
[INFO] [stderr]                         at src/libstd/panicking.rs:303
[INFO] [stderr]   14:     0x55cef19834f6 - __rust_maybe_catch_panic
[INFO] [stderr]                         at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   15:     0x55cef197d598 - std::panicking::try::h9e58d9e1ffdb7a8f
[INFO] [stderr]                         at src/libstd/panicking.rs:281
[INFO] [stderr]                          - std::panic::catch_unwind::h6dacac8c77eb8284
[INFO] [stderr]                         at src/libstd/panic.rs:394
[INFO] [stderr]                          - std::rt::lang_start_internal::hb6469eff0c6f35f8
[INFO] [stderr]                         at src/libstd/rt.rs:51
[INFO] [stderr]   16:     0x55cef17057f6 - std::rt::lang_start::hbc184a27fa9ca320
[INFO] [stderr]                         at /rustc/b1f395de642e8be7bcbbd2bd8aaadab715851f49/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55cef16dfa19 - main
[INFO] [stderr]   18:     0x7f609c1d8b96 - __libc_start_main
[INFO] [stderr]   19:     0x55cef16be919 - _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:     0x55cef197a284 - backtrace::backtrace::libunwind::trace::h2e152e7bd6365e6e
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55cef197a284 - backtrace::backtrace::trace_unsynchronized::h4186442f15a550ff
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55cef197a284 - std::sys_common::backtrace::_print_fmt::h063a573bac16a877
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55cef197a284 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9703f71e8480ed96
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55cef199cf1c - core::fmt::write::hff90a64c19ebe991
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1052
[INFO] [stderr]    5:     0x55cef1977177 - std::io::Write::write_fmt::h7b2ff1db354185d7
[INFO] [stderr]                                at src/libstd/io/mod.rs:1428
[INFO] [stderr]    6:     0x55cef197c9c5 - std::sys_common::backtrace::_print::hafbed04fe2bd44d6
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55cef197c9c5 - std::sys_common::backtrace::print::hf3b38bd6bf35df48
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55cef197c9c5 - std::panicking::default_hook::{{closure}}::hf220c79b40a7fd2a
[INFO] [stderr]                                at src/libstd/panicking.rs:204
[INFO] [stderr]    9:     0x55cef197c706 - std::panicking::default_hook::hd1f3ae65f967fd0f
[INFO] [stderr]                                at src/libstd/panicking.rs:224
[INFO] [stderr]   10:     0x55cef197d022 - std::panicking::rust_panic_with_hook::h07ff66cb0ea5f564
[INFO] [stderr]                                at src/libstd/panicking.rs:470
[INFO] [stderr]   11:     0x55cef197cc0b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:378
[INFO] [stderr]   12:     0x55cef199b7b1 - core::panicking::panic_fmt::h1ebf8318839f206e
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   13:     0x55cef199b5d3 - core::option::expect_none_failed::h4df88fc665cbb286
[INFO] [stderr]                                at src/libcore/option.rs:1211
[INFO] [stderr]   14:     0x55cef170bd9e - core::result::Result<T,E>::expect::h2024e6de01f75947
[INFO] [stderr]                                at /rustc/b1f395de642e8be7bcbbd2bd8aaadab715851f49/src/libcore/result.rs:961
[INFO] [stderr]   15:     0x55cef16df7e7 - build_script_build::main::hadcb496fdc02d665
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   16:     0x55cef170581b - std::rt::lang_start::{{closure}}::h64df015109b6f218
[INFO] [stderr]                                at /rustc/b1f395de642e8be7bcbbd2bd8aaadab715851f49/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55cef197cae3 - std::rt::lang_start_internal::{{closure}}::hcca65089bf50e764
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x55cef197cae3 - std::panicking::try::do_call::h5d688de95825d379
[INFO] [stderr]                                at src/libstd/panicking.rs:303
[INFO] [stderr]   19:     0x55cef19834f7 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   20:     0x55cef197d599 - std::panicking::try::h9e58d9e1ffdb7a8f
[INFO] [stderr]                                at src/libstd/panicking.rs:281
[INFO] [stderr]   21:     0x55cef197d599 - std::panic::catch_unwind::h6dacac8c77eb8284
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x55cef197d599 - std::rt::lang_start_internal::hb6469eff0c6f35f8
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x55cef17057f7 - std::rt::lang_start::hbc184a27fa9ca320
[INFO] [stderr]                                at /rustc/b1f395de642e8be7bcbbd2bd8aaadab715851f49/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x55cef16dfa1a - main
[INFO] [stderr]   25:     0x7f609c1d8b97 - __libc_start_main
[INFO] [stderr]   26:     0x55cef16be91a - _start
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "bc10cc9308b32e7b8d5febe40c6a2a6155cee5bafb96ffdd350224b079c84b3e"`
[INFO] running `"docker" "rm" "-f" "bc10cc9308b32e7b8d5febe40c6a2a6155cee5bafb96ffdd350224b079c84b3e"`
[INFO] [stdout] bc10cc9308b32e7b8d5febe40c6a2a6155cee5bafb96ffdd350224b079c84b3e