[INFO] updating cached repository https://github.com/rchaser53/llvm-rust-playground
[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] 8cd94437b3a865f14cd59ae781dac15cd7ea718a
[INFO] checking rchaser53/llvm-rust-playground against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Fllvm-rust-playground" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/llvm-rust-playground on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rchaser53/llvm-rust-playground
[INFO] finished tweaking git repo https://github.com/rchaser53/llvm-rust-playground
[INFO] tweaked toml for git repo https://github.com/rchaser53/llvm-rust-playground written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/rchaser53/llvm-rust-playground already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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] e29c6c001166167a83de7945ce6f672337a66bccd11c2f714e0f0146b279dc13
[INFO] running `"docker" "start" "-a" "e29c6c001166167a83de7945ce6f672337a66bccd11c2f714e0f0146b279dc13"`
[INFO] [stderr]    Compiling cc v1.0.22
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.27
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling llvm-rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling llvm-sys v60.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling cargo_metadata v0.6.0
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling rustc-llvm-proxy v0.1.3
[INFO] [stderr] error: failed to run custom build command for `rustc-llvm-proxy v0.1.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rustc-llvm-proxy-afbaab6c1827e3ec/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-906a702932194a94/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:     0x55b6e4cf0dd3 - backtrace::backtrace::libunwind::trace::hcbc175199bb2b90c
[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::h0d1033d30e0129cc
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/backtrace/mod.rs:42
[INFO] [stderr]    1:     0x55b6e4cecfc3 - backtrace::capture::Backtrace::new_unresolved::hc917f66563b1fad7
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.9/src/capture.rs:88
[INFO] [stderr]    2:     0x55b6e4a9051d - failure::backtrace::internal::InternalBacktrace::new::hf918b7bb8abca2d2
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/backtrace/internal.rs:44
[INFO] [stderr]    3:     0x55b6e4a8f1dc - failure::backtrace::Backtrace::new::h0219cfd3344a14cb
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/backtrace/mod.rs:111
[INFO] [stderr]    4:     0x55b6e4a64b6b - <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h5f5f1efb01e628bc
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/error/error_impl.rs:20
[INFO] [stderr]    5:     0x55b6e4a59c67 - <failure::error::Error as core::convert::From<F>>::from::h467b36f4ce5f04aa
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/error/mod.rs:36
[INFO] [stderr]    6:     0x55b6e4a5a0c5 - failure::error_message::err_msg::hb4362cdecc305930
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.2/src/error_message.rs:12
[INFO] [stderr]    7:     0x55b6e4a606a5 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::{{closure}}::hdeb9cd32d842b9be
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:95
[INFO] [stderr]    8:     0x55b6e4a857cc - core::result::Result<T,E>::map_err::h430114c0bcbf69c6
[INFO] [stderr]                         at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libcore/result.rs:612
[INFO] [stderr]    9:     0x55b6e4a5f4a9 - build_script_build::llvm::Generator::get_llvm_sys_crate_path::h05f7b72d4987f5a1
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:94
[INFO] [stderr]   10:     0x55b6e4a5e848 - build_script_build::llvm::Generator::parse_llvm_sys_crate::hd1fc782a60f21e3a
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:67
[INFO] [stderr]   11:     0x55b6e4a5a3ec - build_script_build::main::hb456038a35f4bd5b
[INFO] [stderr]                         at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:18
[INFO] [stderr]   12:     0x55b6e4a65a8a - std::rt::lang_start::{{closure}}::h6362de4b015266af
[INFO] [stderr]                         at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libstd/rt.rs:67
[INFO] [stderr]   13:     0x55b6e4d223a7 - std::rt::lang_start_internal::{{closure}}::h749f73f80f2a20f1
[INFO] [stderr]                         at src/libstd/rt.rs:52
[INFO] [stderr]                          - std::panicking::try::do_call::h34ae69cab909f7d2
[INFO] [stderr]                         at src/libstd/panicking.rs:331
[INFO] [stderr]                          - std::panicking::try::he6d9ae6f665ea78e
[INFO] [stderr]                         at src/libstd/panicking.rs:274
[INFO] [stderr]                          - std::panic::catch_unwind::hb821659e1ed61148
[INFO] [stderr]                         at src/libstd/panic.rs:394
[INFO] [stderr]                          - std::rt::lang_start_internal::hc7231d8ca9ca0aea
[INFO] [stderr]                         at src/libstd/rt.rs:51
[INFO] [stderr]   14:     0x55b6e4a65a66 - std::rt::lang_start::h62c60ad9f25ea425
[INFO] [stderr]                         at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libstd/rt.rs:67
[INFO] [stderr]   15:     0x55b6e4a5a649 - main
[INFO] [stderr]   16:     0x7f1db78b8b96 - __libc_start_main
[INFO] [stderr]   17:     0x55b6e4a44ba9 - _start
[INFO] [stderr]   18:                0x0 - <unknown>', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:18:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55b6e4d1f004 - backtrace::backtrace::libunwind::trace::hcdd38e03c5c0ae1d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55b6e4d1f004 - backtrace::backtrace::trace_unsynchronized::he5bd7c616dadfd7d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55b6e4d1f004 - std::sys_common::backtrace::_print_fmt::h5c76d4ca71f55821
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55b6e4d1f004 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2c8c63d62d7bea1c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55b6e4d46b9c - core::fmt::write::h97d981a565c87982
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x55b6e4d1c243 - std::io::Write::write_fmt::h76b54795ca4d1941
[INFO] [stderr]                                at src/libstd/io/mod.rs:1439
[INFO] [stderr]    6:     0x55b6e4d21835 - std::sys_common::backtrace::_print::h93fb2909159290d7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55b6e4d21835 - std::sys_common::backtrace::print::ha755c3134746c2d0
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55b6e4d21835 - std::panicking::default_hook::{{closure}}::h3a7ab24b109d5437
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55b6e4d21572 - std::panicking::default_hook::h2aa3c18a39936382
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x55b6e4d21e92 - std::panicking::rust_panic_with_hook::h5035e60b675c5c99
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x55b6e4d21a7b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x55b6e4d455c1 - core::panicking::panic_fmt::h7fe09dc6d8aa54c4
[INFO] [stderr]                                at src/libcore/panicking.rs:111
[INFO] [stderr]   13:     0x55b6e4d453e3 - core::option::expect_none_failed::h294957c8cca982d9
[INFO] [stderr]                                at src/libcore/option.rs:1268
[INFO] [stderr]   14:     0x55b6e4a85420 - core::result::Result<T,E>::expect::he942e092dcf8fe9f
[INFO] [stderr]                                at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libcore/result.rs:963
[INFO] [stderr]   15:     0x55b6e4a5a417 - build_script_build::main::hb456038a35f4bd5b
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-llvm-proxy-0.1.3/build.rs:18
[INFO] [stderr]   16:     0x55b6e4a65a8b - std::rt::lang_start::{{closure}}::h6362de4b015266af
[INFO] [stderr]                                at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55b6e4d223a8 - std::rt::lang_start_internal::{{closure}}::h749f73f80f2a20f1
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x55b6e4d223a8 - std::panicking::try::do_call::h34ae69cab909f7d2
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   19:     0x55b6e4d223a8 - std::panicking::try::he6d9ae6f665ea78e
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   20:     0x55b6e4d223a8 - std::panic::catch_unwind::hb821659e1ed61148
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x55b6e4d223a8 - std::rt::lang_start_internal::hc7231d8ca9ca0aea
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x55b6e4a65a67 - std::rt::lang_start::h62c60ad9f25ea425
[INFO] [stderr]                                at /rustc/6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x55b6e4a5a64a - main
[INFO] [stderr]   24:     0x7f1db78b8b97 - __libc_start_main
[INFO] [stderr]   25:     0x55b6e4a44baa - _start
[INFO] [stderr]   26:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "e29c6c001166167a83de7945ce6f672337a66bccd11c2f714e0f0146b279dc13"`
[INFO] running `"docker" "rm" "-f" "e29c6c001166167a83de7945ce6f672337a66bccd11c2f714e0f0146b279dc13"`
[INFO] [stdout] e29c6c001166167a83de7945ce6f672337a66bccd11c2f714e0f0146b279dc13