[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#8810c24b0958114d8dbb32d878444e8956fce80f for pr-66063
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust-monkey-ir" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/rust-monkey-ir on toolchain 8810c24b0958114d8dbb32d878444e8956fce80f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "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-1/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" "+8810c24b0958114d8dbb32d878444e8956fce80f" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=allow" "-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" "+8810c24b0958114d8dbb32d878444e8956fce80f" "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] 9f4871faac2cf5c900878c6fb1a960334e51d36226a209d995453a8dafce9865
[INFO] running `"docker" "start" "-a" "9f4871faac2cf5c900878c6fb1a960334e51d36226a209d995453a8dafce9865"`
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[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 quote v0.6.8
[INFO] [stderr]    Compiling semver v0.9.0
[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]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]    Compiling serde_json v1.0.32
[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 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-e20dfb25fe7ac356/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-48e8ee02f90be144/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:     0x556a616338a3 - backtrace::backtrace::libunwind::trace::ha55f1c8625fd473e
[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::h9c8b86f5625b67fa
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x556a61624d53 - backtrace::capture::Backtrace::new_unresolved::hec99f31b9b1a7942
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x556a613d08db - failure::backtrace::internal::InternalBacktrace::new::h730ff4492d847f23
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x556a613d03ac - failure::backtrace::Backtrace::new::hdf1765d16a328da5
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x556a6138f2cb - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::hd2e1c830f7227e30
[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:     0x556a6139cf87 - <failure::error::Error as core::convert::From<F>>::from::h659ca842866824dd
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
[INFO] [stderr]    6:     0x556a6139d0c5 - failure::error_message::err_msg::h2c6ca6742c29ae22
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error_message.rs:12
[INFO] [stderr]    7:     0x556a6139f678 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::h1d80eb23027f5ade
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:113
[INFO] [stderr]    8:     0x556a613cf5e8 - core::result::Result<T,E>::map_err::h1611d3b8d9924413
[INFO] [stderr]                         at /rustc/8810c24b0958114d8dbb32d878444e8956fce80f/src/libcore/result.rs:574
[INFO] [stderr]    9:     0x556a6139e299 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::h1f0708b531f0e46d
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:112
[INFO] [stderr]   10:     0x556a6139d358 - build_script_build::llvm::Generator::parse_llvm_sys_crate::h7999f656a3694f33
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:80
[INFO] [stderr]   11:     0x556a613a35b1 - build_script_build::main::h349057b81038e5d5
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   12:     0x556a6138d34f - std::rt::lang_start::{{closure}}::h3ef64e5bcfc0fb3a
[INFO] [stderr]                         at /rustc/8810c24b0958114d8dbb32d878444e8956fce80f/src/libstd/rt.rs:61
[INFO] [stderr]   13:     0x556a6165b272 - std::rt::lang_start_internal::{{closure}}::h98c778231b79d91a
[INFO] [stderr]                         at src/libstd/rt.rs:48
[INFO] [stderr]                          - std::panicking::try::do_call::h7fa5c614dff1056b
[INFO] [stderr]                         at src/libstd/panicking.rs:287
[INFO] [stderr]   14:     0x556a616616f9 - __rust_maybe_catch_panic
[INFO] [stderr]                         at src/libpanic_unwind/lib.rs:83
[INFO] [stderr]   15:     0x556a6165bdec - std::panicking::try::h0486c1f3e2aa45d4
[INFO] [stderr]                         at src/libstd/panicking.rs:265
[INFO] [stderr]                          - std::panic::catch_unwind::he81620b75fa7fc20
[INFO] [stderr]                         at src/libstd/panic.rs:396
[INFO] [stderr]                          - std::rt::lang_start_internal::hf14c9205eb0a1adf
[INFO] [stderr]                         at src/libstd/rt.rs:47
[INFO] [stderr]   16:     0x556a6138d328 - std::rt::lang_start::hd7b30682bf0e927e
[INFO] [stderr]                         at /rustc/8810c24b0958114d8dbb32d878444e8956fce80f/src/libstd/rt.rs:61
[INFO] [stderr]   17:     0x556a613a37d9 - main
[INFO] [stderr]   18:     0x7fba852b5b96 - __libc_start_main
[INFO] [stderr]   19:     0x556a61371f49 - _start
[INFO] [stderr]   20:                0x0 - <unknown>', src/libcore/result.rs:1165:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x556a61658b14 - backtrace::backtrace::libunwind::trace::h34341dd61ff7602e
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x556a61658b14 - backtrace::backtrace::trace_unsynchronized::h10bcbf5508d231b0
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x556a61658b14 - std::sys_common::backtrace::_print_fmt::hb87a8922e63799ad
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x556a61658b14 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hff604fd73142418f
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]    4:     0x556a6167b1ec - core::fmt::write::hcd468b4bebc0a25c
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1028
[INFO] [stderr]    5:     0x556a61655df7 - std::io::Write::write_fmt::hd4ef0439a8ce5162
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x556a6165b14e - std::sys_common::backtrace::_print::h41544d836ebb2971
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:65
[INFO] [stderr]    7:     0x556a6165b14e - std::sys_common::backtrace::print::hed6b8b83658ed2cc
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:50
[INFO] [stderr]    8:     0x556a6165b14e - std::panicking::default_hook::{{closure}}::h89801ee130ad0fd8
[INFO] [stderr]                                at src/libstd/panicking.rs:188
[INFO] [stderr]    9:     0x556a6165ae41 - std::panicking::default_hook::hb1f703873593e774
[INFO] [stderr]                                at src/libstd/panicking.rs:205
[INFO] [stderr]   10:     0x556a6165b84b - std::panicking::rust_panic_with_hook::h0e3fb4ed0a6252f5
[INFO] [stderr]                                at src/libstd/panicking.rs:464
[INFO] [stderr]   11:     0x556a6165b3ee - std::panicking::continue_panic_fmt::h2c1e395e4ebf4102
[INFO] [stderr]                                at src/libstd/panicking.rs:373
[INFO] [stderr]   12:     0x556a6165b2d6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:302
[INFO] [stderr]   13:     0x556a61677fee - core::panicking::panic_fmt::h05d55983de5d1d2b
[INFO] [stderr]                                at src/libcore/panicking.rs:139
[INFO] [stderr]   14:     0x556a616780e7 - core::result::unwrap_failed::h6f1dd1a7611ccb0b
[INFO] [stderr]                                at src/libcore/result.rs:1165
[INFO] [stderr]   15:     0x556a613cf130 - core::result::Result<T,E>::expect::h73fb83ccb5b13d54
[INFO] [stderr]                                at /rustc/8810c24b0958114d8dbb32d878444e8956fce80f/src/libcore/result.rs:960
[INFO] [stderr]   16:     0x556a613a35d5 - build_script_build::main::h349057b81038e5d5
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]   17:     0x556a6138d350 - std::rt::lang_start::{{closure}}::h3ef64e5bcfc0fb3a
[INFO] [stderr]                                at /rustc/8810c24b0958114d8dbb32d878444e8956fce80f/src/libstd/rt.rs:61
[INFO] [stderr]   18:     0x556a6165b273 - std::rt::lang_start_internal::{{closure}}::h98c778231b79d91a
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   19:     0x556a6165b273 - std::panicking::try::do_call::h7fa5c614dff1056b
[INFO] [stderr]                                at src/libstd/panicking.rs:287
[INFO] [stderr]   20:     0x556a616616fa - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:83
[INFO] [stderr]   21:     0x556a6165bded - std::panicking::try::h0486c1f3e2aa45d4
[INFO] [stderr]                                at src/libstd/panicking.rs:265
[INFO] [stderr]   22:     0x556a6165bded - std::panic::catch_unwind::he81620b75fa7fc20
[INFO] [stderr]                                at src/libstd/panic.rs:396
[INFO] [stderr]   23:     0x556a6165bded - std::rt::lang_start_internal::hf14c9205eb0a1adf
[INFO] [stderr]                                at src/libstd/rt.rs:47
[INFO] [stderr]   24:     0x556a6138d329 - std::rt::lang_start::hd7b30682bf0e927e
[INFO] [stderr]                                at /rustc/8810c24b0958114d8dbb32d878444e8956fce80f/src/libstd/rt.rs:61
[INFO] [stderr]   25:     0x556a613a37da - main
[INFO] [stderr]   26:     0x7fba852b5b97 - __libc_start_main
[INFO] [stderr]   27:     0x556a61371f4a - _start
[INFO] [stderr]   28:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "9f4871faac2cf5c900878c6fb1a960334e51d36226a209d995453a8dafce9865"`
[INFO] running `"docker" "rm" "-f" "9f4871faac2cf5c900878c6fb1a960334e51d36226a209d995453a8dafce9865"`
[INFO] [stdout] 9f4871faac2cf5c900878c6fb1a960334e51d36226a209d995453a8dafce9865