[INFO] cloning repository https://github.com/brian-mcnamara/media-controller
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brian-mcnamara/media-controller" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrian-mcnamara%2Fmedia-controller", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrian-mcnamara%2Fmedia-controller'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eecd57fbb2fbf22e3dff643138a7d04e30d79d0e
[INFO] documenting brian-mcnamara/media-controller against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrian-mcnamara%2Fmedia-controller" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brian-mcnamara/media-controller on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brian-mcnamara/media-controller
[INFO] finished tweaking git repo https://github.com/brian-mcnamara/media-controller
[INFO] tweaked toml for git repo https://github.com/brian-mcnamara/media-controller written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/brian-mcnamara/media-controller already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded string v0.1.0
[INFO] [stderr]   Downloaded hyper-tls v0.3.0
[INFO] [stderr]   Downloaded http v0.1.7
[INFO] [stderr]   Downloaded hyper v0.12.5
[INFO] [stderr]   Downloaded serde_json v1.0.22
[INFO] [stderr]   Downloaded serde_test v0.8.23
[INFO] [stderr]   Downloaded yaml-rust v0.4.0
[INFO] [stderr]   Downloaded config v0.9.0
[INFO] [stderr]   Downloaded want v0.0.5
[INFO] [stderr]   Downloaded openssl v0.10.10
[INFO] [stderr]   Downloaded openssl-sys v0.9.33
[INFO] [stderr]   Downloaded tempfile v3.0.2
[INFO] [stderr]   Downloaded rust-ini v0.12.2
[INFO] [stderr]   Downloaded h2 v0.1.10
[INFO] [stderr]   Downloaded tokio-fs v0.1.1
[INFO] [stderr]   Downloaded native-tls v0.2.0
[INFO] [stderr]   Downloaded serde-hjson v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 045f19c2f13482d06e3ae17be81853e1c2e89dd7a0b1323db15834001b2fd587
[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" "045f19c2f13482d06e3ae17be81853e1c2e89dd7a0b1323db15834001b2fd587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "045f19c2f13482d06e3ae17be81853e1c2e89dd7a0b1323db15834001b2fd587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "045f19c2f13482d06e3ae17be81853e1c2e89dd7a0b1323db15834001b2fd587", kill_on_drop: false }`
[INFO] [stdout] 045f19c2f13482d06e3ae17be81853e1c2e89dd7a0b1323db15834001b2fd587
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8254f5f3c019893a6d6139c58e039ec6fb764da45d09cda65f9fc52a52d99d1
[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" "f8254f5f3c019893a6d6139c58e039ec6fb764da45d09cda65f9fc52a52d99d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl v0.10.10
[INFO] [stderr]    Compiling native-tls v0.2.0
[INFO] [stderr]     Checking string v0.1.0
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.33
[INFO] [stderr]     Checking tokio-timer v0.2.4
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking http v0.1.7
[INFO] [stderr]     Checking serde_json v1.0.22
[INFO] [stderr]     Checking serde-hjson v0.8.1
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking want v0.0.5
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.5
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking tokio-reactor v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.1
[INFO] [stderr]     Checking config v0.9.0
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.1
[INFO] [stderr]     Checking h2 v0.1.10
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]     Checking hyper v0.12.5
[INFO] [stderr]     Checking hyper-tls v0.3.0
[INFO] [stderr]  Documenting media_hub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] thread 'rustc' panicked at 'attempted .def_id() on invalid res: Err', /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/src/librustc_hir/def.rs:383:32
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]   --> src/event_stream.rs:88:66
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn request(&mut self, req: Request<Body>) -> Poll<Option<Self::Item>, Self::Error> {
[INFO] [stdout]    |                                                                  ^^^^^^^^^^ help: use fully-qualified syntax: `<event_stream::EventSource<C> as Trait>::Item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f477959e590 - std::backtrace_rs::backtrace::libunwind::trace::h9e3e6d9b3369e699
[INFO] [stderr]                                at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x7f477959e590 - std::backtrace_rs::backtrace::trace_unsynchronized::he58aba3ac08ed12a
[INFO] [stderr]                                at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x7f477959e590 - std::sys_common::backtrace::_print_fmt::hbbbd4c92d537cef4
[INFO] [stderr]                                at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x7f477959e590 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h80c2ae080004cc83
[INFO] [stderr]                                at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x7f477960cf9c - core::fmt::write::h0c11e16fd03fe660
[INFO] [stderr]                                at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]    5:     0x7f47795908b7 - std::io::Write::write_fmt::h2e2072ff86131fcd
[INFO] [stderr]                                at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/io/mod.rs:1514
[INFO] [stderr]    6:     0x7f47795a3250 - std::sys_common::backtrace::_print::h165e6476adb4cb58
[INFO] [stderr]                                at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x7f47795a3250 - std::sys_common::backtrace::print::hbbfa32a92cd1fc34
[INFO] [stderr]                                at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x7f47795a3250 - std::panicking::default_hook::{{closure}}::h3a02067ca7f64068
[INFO] [stderr]                                at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:200
[INFO] [stderr]    9:     0x7f47795a2f9c - std::panicking::default_hook::ha3137d6f4e961fe2
[INFO] [stderr]                                at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:219
[INFO] [stderr]   10:     0x7f4779e1af29 - rustc_driver::report_ice::ha928cb19cffa046d
[INFO] [stderr]   11:     0x7f47795a39f8 - std::panicking::rust_panic_with_hook::he6505c3b9d82db8b
[INFO] [stderr]                                at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:573
[INFO] [stderr]   12:     0x7f47795a35a9 - std::panicking::begin_panic_handler::{{closure}}::h4aa640a9e8494520
[INFO] [stderr]                                at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:476
[INFO] [stderr]   13:     0x7f477959e9fc - std::sys_common::backtrace::__rust_end_short_backtrace::h85d2ae6a90dead9c
[INFO] [stderr]                                at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   14:     0x7f47795a3569 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:475
[INFO] [stderr]   15:     0x7f47795a351b - std::panicking::begin_panic_fmt::h7089e699b7754bbe
[INFO] [stderr]                                at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:429
[INFO] [stderr]   16:     0x560068ef4ef8 - rustc_hir::def::Res<Id>::def_id::{{closure}}::hf050934ed770b7c6
[INFO] [stderr]   17:     0x56006909c1ad - rustdoc::clean::utils::register_res::h70f64cb02d8b2d12
[INFO] [stderr]   18:     0x56006909bccc - rustdoc::clean::utils::resolve_type::h62864f8264437ee9
[INFO] [stderr]   19:     0x560068e7eb1a - <rustc_hir::hir::Ty as rustdoc::clean::Clean<rustdoc::clean::types::Type>>::clean::h8cbf9676f559f63e
[INFO] [stderr]   20:     0x560068e744c2 - <core::iter::adapters::Map<I,F> as core::iter::traits::iterator::Iterator>::fold::hc3e3fb02fabcca22
[INFO] [stderr]   21:     0x560068e818e8 - <rustc_hir::hir::GenericArgs as rustdoc::clean::Clean<rustdoc::clean::types::GenericArgs>>::clean::h72ac31656abaafe5
[INFO] [stderr]   22:     0x560068e81ca2 - <rustc_hir::hir::PathSegment as rustdoc::clean::Clean<rustdoc::clean::types::PathSegment>>::clean::h1acfcf213cb8d6e7
[INFO] [stderr]   23:     0x560068f464b0 - <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T,I>>::from_iter::h81062a4cea037ebf
[INFO] [stderr]   24:     0x560068e7e66b - <rustc_hir::hir::Ty as rustdoc::clean::Clean<rustdoc::clean::types::Type>>::clean::h8cbf9676f559f63e
[INFO] [stderr]   25:     0x560068e744c2 - <core::iter::adapters::Map<I,F> as core::iter::traits::iterator::Iterator>::fold::hc3e3fb02fabcca22
[INFO] [stderr]   26:     0x560068e818e8 - <rustc_hir::hir::GenericArgs as rustdoc::clean::Clean<rustdoc::clean::types::GenericArgs>>::clean::h72ac31656abaafe5
[INFO] [stderr]   27:     0x560068e81ca2 - <rustc_hir::hir::PathSegment as rustdoc::clean::Clean<rustdoc::clean::types::PathSegment>>::clean::h1acfcf213cb8d6e7
[INFO] [stderr]   28:     0x560068f464b0 - <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T,I>>::from_iter::h81062a4cea037ebf
[INFO] [stderr]   29:     0x560068e7e66b - <rustc_hir::hir::Ty as rustdoc::clean::Clean<rustdoc::clean::types::Type>>::clean::h8cbf9676f559f63e
[INFO] [stderr]   30:     0x560068e7b146 - <(&rustc_hir::hir::FnDecl,A) as rustdoc::clean::Clean<rustdoc::clean::types::FnDecl>>::clean::h583e16704937f58c
[INFO] [stderr]   31:     0x56006909cb1e - rustdoc::clean::utils::enter_impl_trait::h62745849c4321c23
[INFO] [stderr]   32:     0x560068e7cb8f - <rustc_hir::hir::ImplItem as rustdoc::clean::Clean<rustdoc::clean::types::Item>>::clean::h2d7685ffaba24ea2
[INFO] [stderr]   33:     0x560068e3cab2 - <rustdoc::doctree::Impl as rustdoc::clean::Clean<alloc::vec::Vec<rustdoc::clean::types::Item>>>::clean::h1f4c9caca90db1ee
[INFO] [stderr]   34:     0x560068f3879f - <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T,I>>::spec_extend::ha5188541ad1ca08d
[INFO] [stderr]   35:     0x560068e34731 - <rustdoc::doctree::Module as rustdoc::clean::Clean<rustdoc::clean::types::Item>>::clean::h10688ad1129cc7b2
[INFO] [stderr]   36:     0x560068e34311 - <rustdoc::doctree::Module as rustdoc::clean::Clean<rustdoc::clean::types::Item>>::clean::h10688ad1129cc7b2
[INFO] [stderr]   37:     0x560069096732 - rustdoc::clean::utils::krate::h4f1c5a7aa68daab2
[INFO] [stderr]   38:     0x560068ea9e56 - rustdoc::core::run_global_ctxt::h6a3c36ec5b50a1ed
[INFO] [stderr]   39:     0x560068e4d505 - rustc_session::utils::<impl rustc_session::session::Session>::time::hd03453a4cf3286e5
[INFO] [stderr]   40:     0x56006900a50f - rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter::hec9ad7fa33dbac74
[INFO] [stderr]   41:     0x56006906c263 - rustc_span::with_source_map::h454b9d811cb50b1c
[INFO] [stderr]   42:     0x56006900afd2 - rustc_interface::interface::create_compiler_and_run::h3cabaf6c1075a783
[INFO] [stderr]   43:     0x560068ea8a7e - rustdoc::core::run_core::haced8dd8424aa5e2
[INFO] [stderr]   44:     0x560068e4840c - rustdoc::main_options::h40a1f3cad43c8510
[INFO] [stderr]   45:     0x560068ffc6a4 - scoped_tls::ScopedKey<T>::set::h4299d3a685bf1884
[INFO] [stderr]   46:     0x560068ed7287 - std::sys_common::backtrace::__rust_begin_short_backtrace::h1016745438f63e6c
[INFO] [stderr]   47:     0x560069080fbe - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6ac37361f781ecfc
[INFO] [stderr]   48:     0x7f47795b2faa - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h08a7f59d1f132678
[INFO] [stderr]                                at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   49:     0x7f47795b2faa - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hcc8dca4ed5ef7ca4
[INFO] [stderr]                                at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   50:     0x7f47795b2faa - std::sys::unix::thread::Thread::new::thread_start::h8bde10ff272e5ca4
[INFO] [stderr]                                at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   51:     0x7f47794d0609 - start_thread
[INFO] [stderr]   52:     0x7f47793da103 - clone
[INFO] [stderr]   53:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] error: internal compiler error: unexpected panic
[INFO] [stderr] 
[INFO] [stderr] error: Unrecognized option: 'document-private-items'
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0223`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `media_hub`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name media_hub src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-0cfffd7e33aab3a9.rmeta --extern config=/opt/rustwide/target/debug/deps/libconfig-a4dbd8b5e187a1b8.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-8f66ec0b6a99ab59.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-d11fc138adacc176.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-23f0a83dbe3845ff.rmeta --extern hyper_tls=/opt/rustwide/target/debug/deps/libhyper_tls-db544ae0aa105463.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "f8254f5f3c019893a6d6139c58e039ec6fb764da45d09cda65f9fc52a52d99d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8254f5f3c019893a6d6139c58e039ec6fb764da45d09cda65f9fc52a52d99d1", kill_on_drop: false }`
[INFO] [stdout] f8254f5f3c019893a6d6139c58e039ec6fb764da45d09cda65f9fc52a52d99d1