[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#38f08371587f97c145dedb2c055ac7b01bf1e788 for pr-65294
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust-monkey-ir" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/rust-monkey-ir on toolchain 38f08371587f97c145dedb2c055ac7b01bf1e788
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "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-5/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" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "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] e534d4d7a6e5b5e9e09cc9493bdcd2f5cf2d58fe51a0779afb48e7a4883c7f19
[INFO] running `"docker" "start" "-a" "e534d4d7a6e5b5e9e09cc9493bdcd2f5cf2d58fe51a0779afb48e7a4883c7f19"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 quote v0.6.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling syn v0.15.13
[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 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-7ff5af2fd876e790/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-5592c08a488b1153/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:     0x55ec307d61d3 - backtrace::backtrace::libunwind::trace::h5c033753ddcdd8ff
[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::ha3e775c154488d0d
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x55ec307c95e3 - backtrace::capture::Backtrace::new_unresolved::hf330ef4ab3f2a291
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x55ec305768eb - failure::backtrace::internal::InternalBacktrace::new::hb87077f6fa045f1d
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x55ec305763dc - failure::backtrace::Backtrace::new::h22cc2f1f160d4540
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x55ec30535c5b - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::hf6ef3f69444ae5a7
[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:     0x55ec30543377 - <failure::error::Error as core::convert::From<F>>::from::h0ccbe947179c494a
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
[INFO] [stderr]    6:     0x55ec30543465 - failure::error_message::err_msg::h71b5ed77ca62f1ee
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error_message.rs:12
[INFO] [stderr]    7:     0x55ec30545918 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::h3329f41b0fdd4b30
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:113
[INFO] [stderr]    8:     0x55ec30575a38 - core::result::Result<T,E>::map_err::h84ad5d7b7dea9cd4
[INFO] [stderr]                         at /rustc/38f08371587f97c145dedb2c055ac7b01bf1e788/src/libcore/result.rs:574
[INFO] [stderr]    9:     0x55ec30544539 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::h3c96acc0caaf7c5a
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:112
[INFO] [stderr]   10:     0x55ec305435f8 - build_script_build::llvm::Generator::parse_llvm_sys_crate::h21f12727d8a9b3df
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:80
[INFO] [stderr]   11:     0x55ec30549dc1 - build_script_build::main::h8194903ab08435f5
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   12:     0x55ec305336bf - std::rt::lang_start::{{closure}}::h876481410d164b0f
[INFO] [stderr]                         at /rustc/38f08371587f97c145dedb2c055ac7b01bf1e788/src/libstd/rt.rs:61
[INFO] [stderr]   13:     0x55ec307ff692 - std::rt::lang_start_internal::{{closure}}::h5f0ee1fc0a13fd44
[INFO] [stderr]                         at src/libstd/rt.rs:48
[INFO] [stderr]                          - std::panicking::try::do_call::h1b76048f8cff5994
[INFO] [stderr]                         at src/libstd/panicking.rs:288
[INFO] [stderr]   14:     0x55ec30805c39 - __rust_maybe_catch_panic
[INFO] [stderr]                         at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   15:     0x55ec3080021c - std::panicking::try::hb92b65c4d6ee9dd4
[INFO] [stderr]                         at src/libstd/panicking.rs:267
[INFO] [stderr]                          - std::panic::catch_unwind::hc76e28cdfa615edb
[INFO] [stderr]                         at src/libstd/panic.rs:396
[INFO] [stderr]                          - std::rt::lang_start_internal::h8abfd636cde844de
[INFO] [stderr]                         at src/libstd/rt.rs:47
[INFO] [stderr]   16:     0x55ec30533698 - std::rt::lang_start::h10f6b5c7b0876f53
[INFO] [stderr]                         at /rustc/38f08371587f97c145dedb2c055ac7b01bf1e788/src/libstd/rt.rs:61
[INFO] [stderr]   17:     0x55ec30549fe9 - main
[INFO] [stderr]   18:     0x7fceb4ea3b96 - __libc_start_main
[INFO] [stderr]   19:     0x55ec30518469 - _start
[INFO] [stderr]   20:                0x0 - <unknown>', src/libcore/result.rs:1165:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55ec307fcf54 - backtrace::backtrace::libunwind::trace::hef6fc58b54b0c273
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55ec307fcf54 - backtrace::backtrace::trace_unsynchronized::hed70e532b71a8977
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55ec307fcf54 - std::sys_common::backtrace::_print_fmt::hb989f9624749a87e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x55ec307fcf54 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h752e880115b2e6b8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]    4:     0x55ec3081f4fc - core::fmt::write::h8587a0223398998a
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1028
[INFO] [stderr]    5:     0x55ec307fa267 - std::io::Write::write_fmt::h739e1721b42dc764
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x55ec307ff56e - std::sys_common::backtrace::_print::he941da29bef7c30c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:65
[INFO] [stderr]    7:     0x55ec307ff56e - std::sys_common::backtrace::print::haf56476e740dbe1b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:50
[INFO] [stderr]    8:     0x55ec307ff56e - std::panicking::default_hook::{{closure}}::ha490775aa99416ce
[INFO] [stderr]                                at src/libstd/panicking.rs:189
[INFO] [stderr]    9:     0x55ec307ff271 - std::panicking::default_hook::h27c65cbf7bc04c7a
[INFO] [stderr]                                at src/libstd/panicking.rs:206
[INFO] [stderr]   10:     0x55ec307ffc65 - std::panicking::rust_panic_with_hook::h5640e0014aa25ab8
[INFO] [stderr]                                at src/libstd/panicking.rs:469
[INFO] [stderr]   11:     0x55ec307ff802 - std::panicking::continue_panic_fmt::hcb7480b833c2eeb7
[INFO] [stderr]                                at src/libstd/panicking.rs:376
[INFO] [stderr]   12:     0x55ec307ff6f6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:303
[INFO] [stderr]   13:     0x55ec3081c36a - core::panicking::panic_fmt::h10a13d576f8f5c74
[INFO] [stderr]                                at src/libcore/panicking.rs:84
[INFO] [stderr]   14:     0x55ec3081c467 - core::result::unwrap_failed::h45969ee7aa3b5572
[INFO] [stderr]                                at src/libcore/result.rs:1165
[INFO] [stderr]   15:     0x55ec30575080 - core::result::Result<T,E>::expect::h6fc96e3dff2ba3e8
[INFO] [stderr]                                at /rustc/38f08371587f97c145dedb2c055ac7b01bf1e788/src/libcore/result.rs:960
[INFO] [stderr]   16:     0x55ec30549de5 - build_script_build::main::h8194903ab08435f5
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   17:     0x55ec305336c0 - std::rt::lang_start::{{closure}}::h876481410d164b0f
[INFO] [stderr]                                at /rustc/38f08371587f97c145dedb2c055ac7b01bf1e788/src/libstd/rt.rs:61
[INFO] [stderr]   18:     0x55ec307ff693 - std::rt::lang_start_internal::{{closure}}::h5f0ee1fc0a13fd44
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   19:     0x55ec307ff693 - std::panicking::try::do_call::h1b76048f8cff5994
[INFO] [stderr]                                at src/libstd/panicking.rs:288
[INFO] [stderr]   20:     0x55ec30805c3a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   21:     0x55ec3080021d - std::panicking::try::hb92b65c4d6ee9dd4
[INFO] [stderr]                                at src/libstd/panicking.rs:267
[INFO] [stderr]   22:     0x55ec3080021d - std::panic::catch_unwind::hc76e28cdfa615edb
[INFO] [stderr]                                at src/libstd/panic.rs:396
[INFO] [stderr]   23:     0x55ec3080021d - std::rt::lang_start_internal::h8abfd636cde844de
[INFO] [stderr]                                at src/libstd/rt.rs:47
[INFO] [stderr]   24:     0x55ec30533699 - std::rt::lang_start::h10f6b5c7b0876f53
[INFO] [stderr]                                at /rustc/38f08371587f97c145dedb2c055ac7b01bf1e788/src/libstd/rt.rs:61
[INFO] [stderr]   25:     0x55ec30549fea - main
[INFO] [stderr]   26:     0x7fceb4ea3b97 - __libc_start_main
[INFO] [stderr]   27:     0x55ec3051846a - _start
[INFO] [stderr]   28:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "e534d4d7a6e5b5e9e09cc9493bdcd2f5cf2d58fe51a0779afb48e7a4883c7f19"`
[INFO] running `"docker" "rm" "-f" "e534d4d7a6e5b5e9e09cc9493bdcd2f5cf2d58fe51a0779afb48e7a4883c7f19"`
[INFO] [stdout] e534d4d7a6e5b5e9e09cc9493bdcd2f5cf2d58fe51a0779afb48e7a4883c7f19