[INFO] updating cached repository https://github.com/rchaser53/rust-monkey-ir
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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#fe6d05a8b32f5c66c427ca524dbcce5a7145f87e for pr-64327
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust-monkey-ir" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/rust-monkey-ir on toolchain fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "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 work/builds/worker-4/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 `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] de4cf566d351f8d3dab9354e10d4ce90d52b604de05fdd1f954d791023398e4c
[INFO] running `"docker" "start" "-a" "de4cf566d351f8d3dab9354e10d4ce90d52b604de05fdd1f954d791023398e4c"`
[INFO] [stderr]    Compiling rust-monkey-ir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling serde_json v1.0.32
[INFO] [stderr]    Compiling synstructure v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.80
[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 failure_derive v0.1.3
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling llvm-sys v70.0.1
[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-b05d64df9c2f80f8/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-7b6da0e4507c5bc9/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:     0x55f324ef4463 - backtrace::backtrace::libunwind::trace::h2dd6116691bd087c
[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::h28369a3b01a0cced
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x55f324ee5a63 - backtrace::capture::Backtrace::new_unresolved::h96ccfeb014a1d80f
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x55f324c8c80b - failure::backtrace::internal::InternalBacktrace::new::he5ffceb115d392d6
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x55f324c8c2dc - failure::backtrace::Backtrace::new::h7b398cb3fae9344b
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x55f324c577fb - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::hd9c20f087b14844c
[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:     0x55f324c58987 - <failure::error::Error as core::convert::From<F>>::from::h3cdedd3b844002f7
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
[INFO] [stderr]    6:     0x55f324c597d5 - failure::error_message::err_msg::hafe6a6666629506c
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error_message.rs:12
[INFO] [stderr]    7:     0x55f324c5bc88 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::h3b686cf13b5a7265
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:113
[INFO] [stderr]    8:     0x55f324c8bb78 - core::result::Result<T,E>::map_err::hed34a3c0081ae502
[INFO] [stderr]                         at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libcore/result.rs:574
[INFO] [stderr]    9:     0x55f324c5a8a9 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::h06ce7bdac3bf063e
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:112
[INFO] [stderr]   10:     0x55f324c59968 - build_script_build::llvm::Generator::parse_llvm_sys_crate::h863c44b3661cb895
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:80
[INFO] [stderr]   11:     0x55f324c5e821 - build_script_build::main::h7f10e2361bfead93
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   12:     0x55f324c86bdf - std::rt::lang_start::{{closure}}::hd347ffbc93d99b15
[INFO] [stderr]                         at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x55f324f1d932 - std::rt::lang_start_internal::{{closure}}::h9d96e46706cace5b
[INFO] [stderr]                         at src/libstd/rt.rs:49
[INFO] [stderr]                          - std::panicking::try::do_call::h35d84c71f56bf844
[INFO] [stderr]                         at src/libstd/panicking.rs:296
[INFO] [stderr]   14:     0x55f324f23ed9 - __rust_maybe_catch_panic
[INFO] [stderr]                         at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   15:     0x55f324f1e4bc - std::panicking::try::h2c16ac107e4a3736
[INFO] [stderr]                         at src/libstd/panicking.rs:275
[INFO] [stderr]                          - std::panic::catch_unwind::h61680e437015f378
[INFO] [stderr]                         at src/libstd/panic.rs:394
[INFO] [stderr]                          - std::rt::lang_start_internal::h9e089243f326ffce
[INFO] [stderr]                         at src/libstd/rt.rs:48
[INFO] [stderr]   16:     0x55f324c86bb8 - std::rt::lang_start::h57354bff250aed60
[INFO] [stderr]                         at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libstd/rt.rs:64
[INFO] [stderr]   17:     0x55f324c5ea49 - main
[INFO] [stderr]   18:     0x7f3165900b96 - __libc_start_main
[INFO] [stderr]   19:     0x55f324c30f29 - _start
[INFO] [stderr]   20:                0x0 - <unknown>', src/libcore/result.rs:1165:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55f324f1b1f4 - backtrace::backtrace::libunwind::trace::h7b2a6b74301d37f0
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55f324f1b1f4 - backtrace::backtrace::trace_unsynchronized::h89a5cf99a9618766
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55f324f1b1f4 - std::sys_common::backtrace::_print_fmt::h33a2346af837f531
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x55f324f1b1f4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4f658ab4e42d366e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]    4:     0x55f324f3d9fc - core::fmt::write::hd5bbaf3e01e48326
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1030
[INFO] [stderr]    5:     0x55f324f18467 - std::io::Write::write_fmt::h6193b508653ddcc9
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x55f324f1d805 - std::sys_common::backtrace::_print::he914b53d7a09a78d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:65
[INFO] [stderr]    7:     0x55f324f1d805 - std::sys_common::backtrace::print::h92a8cb6723718f63
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:50
[INFO] [stderr]    8:     0x55f324f1d805 - std::panicking::default_hook::{{closure}}::hf505e0d7e2ecd403
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    9:     0x55f324f1d4f6 - std::panicking::default_hook::hc6772d9600f23c72
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]   10:     0x55f324f1df05 - std::panicking::rust_panic_with_hook::h7372d52cdbd74b87
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]   11:     0x55f324f1daa2 - std::panicking::continue_panic_fmt::h73b3f53425683dc6
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]   12:     0x55f324f1d996 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]   13:     0x55f324f3a75a - core::panicking::panic_fmt::hbcbcea482a1f859e
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   14:     0x55f324f3a857 - core::result::unwrap_failed::h8065af330f1ff736
[INFO] [stderr]                                at src/libcore/result.rs:1165
[INFO] [stderr]   15:     0x55f324c8b0c0 - core::result::Result<T,E>::expect::h8634cfcc9025fcec
[INFO] [stderr]                                at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libcore/result.rs:960
[INFO] [stderr]   16:     0x55f324c5e845 - build_script_build::main::h7f10e2361bfead93
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   17:     0x55f324c86be0 - std::rt::lang_start::{{closure}}::hd347ffbc93d99b15
[INFO] [stderr]                                at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libstd/rt.rs:64
[INFO] [stderr]   18:     0x55f324f1d933 - std::rt::lang_start_internal::{{closure}}::h9d96e46706cace5b
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   19:     0x55f324f1d933 - std::panicking::try::do_call::h35d84c71f56bf844
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   20:     0x55f324f23eda - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   21:     0x55f324f1e4bd - std::panicking::try::h2c16ac107e4a3736
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   22:     0x55f324f1e4bd - std::panic::catch_unwind::h61680e437015f378
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x55f324f1e4bd - std::rt::lang_start_internal::h9e089243f326ffce
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   24:     0x55f324c86bb9 - std::rt::lang_start::h57354bff250aed60
[INFO] [stderr]                                at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libstd/rt.rs:64
[INFO] [stderr]   25:     0x55f324c5ea4a - main
[INFO] [stderr]   26:     0x7f3165900b97 - __libc_start_main
[INFO] [stderr]   27:     0x55f324c30f2a - _start
[INFO] [stderr]   28:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "de4cf566d351f8d3dab9354e10d4ce90d52b604de05fdd1f954d791023398e4c"`
[INFO] running `"docker" "rm" "-f" "de4cf566d351f8d3dab9354e10d4ce90d52b604de05fdd1f954d791023398e4c"`
[INFO] [stdout] de4cf566d351f8d3dab9354e10d4ce90d52b604de05fdd1f954d791023398e4c