[INFO] updating cached repository https://github.com/rchaser53/rust-monkey-ir
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 202bcb9fae0dfa8cc6357c067e8fa399b76172e8
[INFO] checking rchaser53/rust-monkey-ir against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Frust-monkey-ir" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/rust-monkey-ir on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-10/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe8e898ad03a2ac08bb3a4126fb7cec76de0864298e788fcc3f3ba6427df20cf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fe8e898ad03a2ac08bb3a4126fb7cec76de0864298e788fcc3f3ba6427df20cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe8e898ad03a2ac08bb3a4126fb7cec76de0864298e788fcc3f3ba6427df20cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe8e898ad03a2ac08bb3a4126fb7cec76de0864298e788fcc3f3ba6427df20cf", kill_on_drop: false }`
[INFO] [stdout] fe8e898ad03a2ac08bb3a4126fb7cec76de0864298e788fcc3f3ba6427df20cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71bd292d55dce659fb7c008bbf05aeb8bb9bd920bca389e6186470b08843cfd5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "71bd292d55dce659fb7c008bbf05aeb8bb9bd920bca389e6186470b08843cfd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling rust-monkey-ir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling regex v1.0.6
[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 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-5cff701f39039557/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-ce6c99605c7751fe/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:     0x5640c48811f3 - backtrace::backtrace::libunwind::trace::hace6642b80eb1bea
[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::h3ef2616870675929
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]      1:     0x5640c487d843 - backtrace::capture::Backtrace::new_unresolved::h6a3e042435d7d0c9
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]      2:     0x5640c469a345 - failure::backtrace::internal::InternalBacktrace::new::hbb1891b21ba4a9b4
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/internal.rs:44
[INFO] [stderr]      3:     0x5640c469920c - failure::backtrace::Backtrace::new::hfbf3253048d78320
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/backtrace/mod.rs:111
[INFO] [stderr]      4:     0x5640c46922ab - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::hb86bc618c325825d
[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:     0x5640c466d057 - <failure::error::Error as core::convert::From<F>>::from::h432f9bc64fdfba7d
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error/mod.rs:36
[INFO] [stderr]      6:     0x5640c4698955 - failure::error_message::err_msg::h229d0084ad51d236
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.3/src/error_message.rs:12
[INFO] [stderr]      7:     0x5640c4669715 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::hf4ae21b2337c07b1
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:113
[INFO] [stderr]      8:     0x5640c466c00c - core::result::Result<T,E>::map_err::hb6b961d4cb35aafb
[INFO] [stderr]                           at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libcore/result.rs:612
[INFO] [stderr]      9:     0x5640c46683e9 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::h62f39a658a8c3e1d
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:112
[INFO] [stderr]     10:     0x5640c46676e8 - build_script_build::llvm::Generator::parse_llvm_sys_crate::h62c65f32c78a1006
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:80
[INFO] [stderr]     11:     0x5640c4693d0c - build_script_build::main::hd2f399103606611e
[INFO] [stderr]                           at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]     12:     0x5640c466ba9a - std::rt::lang_start::{{closure}}::hb5add68373d65847
[INFO] [stderr]                           at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/rt.rs:67
[INFO] [stderr]     13:     0x5640c48bd8c2 - std::rt::lang_start_internal::{{closure}}::h9a7ec4d0a4846786
[INFO] [stderr]                           at src/libstd/rt.rs:52
[INFO] [stderr]                            - std::panicking::try::do_call::h31d9073533c95062
[INFO] [stderr]                           at src/libstd/panicking.rs:348
[INFO] [stderr]                            - std::panicking::try::h9be90170880ba1d0
[INFO] [stderr]                           at src/libstd/panicking.rs:325
[INFO] [stderr]                            - std::panic::catch_unwind::hba3ee29aa4d47586
[INFO] [stderr]                           at src/libstd/panic.rs:394
[INFO] [stderr]                            - std::rt::lang_start_internal::h90880417661a7eb6
[INFO] [stderr]                           at src/libstd/rt.rs:51
[INFO] [stderr]     14:     0x5640c466ba76 - std::rt::lang_start::h3c45f9473100ba26
[INFO] [stderr]                           at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/rt.rs:67
[INFO] [stderr]     15:     0x5640c4693f69 - main
[INFO] [stderr]     16:     0x7fd94eafa0b2 - __libc_start_main
[INFO] [stderr]     17:     0x5640c465418d - _start
[INFO] [stderr]     18:                0x0 - <unknown>', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:20:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5640c48ba66f - std::backtrace_rs::backtrace::libunwind::trace::h8864605b5c3dbe2c
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x5640c48ba66f - std::backtrace_rs::backtrace::trace_unsynchronized::h1f622efed412f077
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x5640c48ba66f - std::sys_common::backtrace::_print_fmt::h8e17da323f21cc2b
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]      3:     0x5640c48ba66f - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd4a7293426badf40
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x5640c48dd3bc - core::fmt::write::hfbd2baad61ed21a8
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libcore/fmt/mod.rs:1117
[INFO] [stderr]      5:     0x5640c48b7692 - std::io::Write::write_fmt::h54828fb1bd41a052
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/io/mod.rs:1508
[INFO] [stderr]      6:     0x5640c48bcde0 - std::sys_common::backtrace::_print::h6ba0300926b9fb58
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x5640c48bcde0 - std::sys_common::backtrace::print::hd11f0188385cb859
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x5640c48bcde0 - std::panicking::default_hook::{{closure}}::h57b45fcdc30fe8e4
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x5640c48bcb2c - std::panicking::default_hook::h067cd795bad37ff3
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x5640c48bd423 - std::panicking::rust_panic_with_hook::hd1b93581b69959be
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x5640c48bd01b - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:437
[INFO] [stderr]     12:     0x5640c48dbd51 - core::panicking::panic_fmt::h9cc57011b345cfad
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libcore/panicking.rs:85
[INFO] [stderr]     13:     0x5640c48dbb73 - core::option::expect_none_failed::h10abb5a6aef32df8
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libcore/option.rs:1273
[INFO] [stderr]     14:     0x5640c466bd4f - core::result::Result<T,E>::expect::h83cd7d48841a9b20
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libcore/result.rs:963
[INFO] [stderr]     15:     0x5640c4693d37 - build_script_build::main::hd2f399103606611e
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.5/build.rs:18
[INFO] [stderr]     16:     0x5640c466ba9b - std::rt::lang_start::{{closure}}::hb5add68373d65847
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/rt.rs:67
[INFO] [stderr]     17:     0x5640c48bd8c3 - std::rt::lang_start_internal::{{closure}}::h9a7ec4d0a4846786
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/rt.rs:52
[INFO] [stderr]     18:     0x5640c48bd8c3 - std::panicking::try::do_call::h31d9073533c95062
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:348
[INFO] [stderr]     19:     0x5640c48bd8c3 - std::panicking::try::h9be90170880ba1d0
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:325
[INFO] [stderr]     20:     0x5640c48bd8c3 - std::panic::catch_unwind::hba3ee29aa4d47586
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panic.rs:394
[INFO] [stderr]     21:     0x5640c48bd8c3 - std::rt::lang_start_internal::h90880417661a7eb6
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/rt.rs:51
[INFO] [stderr]     22:     0x5640c466ba77 - std::rt::lang_start::h3c45f9473100ba26
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/rt.rs:67
[INFO] [stderr]     23:     0x5640c4693f6a - main
[INFO] [stderr]     24:     0x7fd94eafa0b3 - __libc_start_main
[INFO] [stderr]     25:     0x5640c465418e - _start
[INFO] [stderr]     26:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "71bd292d55dce659fb7c008bbf05aeb8bb9bd920bca389e6186470b08843cfd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71bd292d55dce659fb7c008bbf05aeb8bb9bd920bca389e6186470b08843cfd5", kill_on_drop: false }`
[INFO] [stdout] 71bd292d55dce659fb7c008bbf05aeb8bb9bd920bca389e6186470b08843cfd5