[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 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrian-mcnamara%2Fmedia-controller" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brian-mcnamara/media-controller on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-12/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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] deb0c46cea16cc5c0c792423332d83f9df3bc55a3de8d74ac93cf29d9b94b540
[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" "deb0c46cea16cc5c0c792423332d83f9df3bc55a3de8d74ac93cf29d9b94b540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "deb0c46cea16cc5c0c792423332d83f9df3bc55a3de8d74ac93cf29d9b94b540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deb0c46cea16cc5c0c792423332d83f9df3bc55a3de8d74ac93cf29d9b94b540", kill_on_drop: false }`
[INFO] [stdout] deb0c46cea16cc5c0c792423332d83f9df3bc55a3de8d74ac93cf29d9b94b540
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 283b539714c4e8cf337af03e92efaa85b721d746a4a127def12c88bf6c6a7249
[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" "283b539714c4e8cf337af03e92efaa85b721d746a4a127def12c88bf6c6a7249", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling openssl v0.10.10
[INFO] [stderr]    Compiling native-tls v0.2.0
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking string v0.1.0
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]     Checking rust-ini v0.12.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking want v0.0.5
[INFO] [stderr]     Checking tokio-timer v0.2.4
[INFO] [stderr]     Checking httparse v1.3.2
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking openssl-sys v0.9.33
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking nom v4.0.0
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking bytes v0.4.8
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking http v0.1.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.5
[INFO] [stderr]     Checking tokio-reactor v0.1.2
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.1
[INFO] [stderr]     Checking serde-hjson v0.8.1
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]     Checking h2 v0.1.10
[INFO] [stderr]     Checking serde_json v1.0.22
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking config v0.9.0
[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] [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] thread 'rustc' panicked at 'attempted .def_id() on invalid res: Err', /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/compiler/rustc_hir/src/def.rs:538:32
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7fb302a69f70 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]    1:     0x7fb302a69f70 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x7fb302a69f70 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]    3:     0x7fb302a69f70 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]    4:     0x7fb302ad797c - core::fmt::write::h306731c068f7162c
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]    5:     0x7fb302a5b935 - std::io::Write::write_fmt::hd2fa90334eee2a21
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stderr]    6:     0x7fb302a6ddfb - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]    7:     0x7fb302a6ddfb - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]    8:     0x7fb302a6ddfb - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stderr]    9:     0x7fb302a6d8d1 - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:225:9
[INFO] [stderr]   10:     0x7fb3032790cd - rustc_driver::report_ice::hff672d9b88ca03b0
[INFO] [stderr]   11:     0x7fb302a6e629 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:626:17
[INFO] [stderr]   12:     0x7fb302a6e0e7 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stderr]   13:     0x7fb302a6a46c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]   14:     0x7fb302a6e049 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stderr]   15:     0x7fb302a36ecb - std::panicking::begin_panic_fmt::h5479575e112541f8
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:457:5
[INFO] [stderr]   16:     0x5571f1f5fca8 - rustc_hir::def::Res<Id>::def_id::{{closure}}::hd407ff99590dadcd
[INFO] [stderr]   17:     0x5571f1e7f328 - rustdoc::clean::utils::register_res::h48215f9e26a06fc1
[INFO] [stderr]   18:     0x5571f1e7eb3d - rustdoc::clean::utils::resolve_type::h6185a1984014d223
[INFO] [stderr]   19:     0x5571f1fb4f22 - rustdoc::clean::clean_qpath::hab4f09f534745fc8
[INFO] [stderr]   20:     0x5571f1f11e04 - <rustc_hir::hir::Ty as rustdoc::clean::Clean<rustdoc::clean::types::Type>>::clean::hc8ce32a6e888af07
[INFO] [stderr]   21:     0x5571f1d44f3e - <core::iter::adapters::map::Map<I,F> as core::iter::traits::iterator::Iterator>::fold::hc72f513239f47c90
[INFO] [stderr]   22:     0x5571f1ded1a9 - <alloc::vec::Vec<T> as alloc::vec::spec_from_iter::SpecFromIter<T,I>>::from_iter::h508cd1fef56956c6
[INFO] [stderr]   23:     0x5571f1f138f8 - <rustc_hir::hir::GenericArgs as rustdoc::clean::Clean<rustdoc::clean::types::GenericArgs>>::clean::h2ba8f76c69536080
[INFO] [stderr]   24:     0x5571f1def151 - <alloc::vec::Vec<T> as alloc::vec::spec_from_iter::SpecFromIter<T,I>>::from_iter::h69c81cf2a4a51a99
[INFO] [stderr]   25:     0x5571f1f136df - <rustc_hir::hir::Path as rustdoc::clean::Clean<rustdoc::clean::types::Path>>::clean::h960d4730c67b73ed
[INFO] [stderr]   26:     0x5571f1fb4f6e - rustdoc::clean::clean_qpath::hab4f09f534745fc8
[INFO] [stderr]   27:     0x5571f1f11e04 - <rustc_hir::hir::Ty as rustdoc::clean::Clean<rustdoc::clean::types::Type>>::clean::hc8ce32a6e888af07
[INFO] [stderr]   28:     0x5571f1d44f3e - <core::iter::adapters::map::Map<I,F> as core::iter::traits::iterator::Iterator>::fold::hc72f513239f47c90
[INFO] [stderr]   29:     0x5571f1ded1a9 - <alloc::vec::Vec<T> as alloc::vec::spec_from_iter::SpecFromIter<T,I>>::from_iter::h508cd1fef56956c6
[INFO] [stderr]   30:     0x5571f1f138f8 - <rustc_hir::hir::GenericArgs as rustdoc::clean::Clean<rustdoc::clean::types::GenericArgs>>::clean::h2ba8f76c69536080
[INFO] [stderr]   31:     0x5571f1def151 - <alloc::vec::Vec<T> as alloc::vec::spec_from_iter::SpecFromIter<T,I>>::from_iter::h69c81cf2a4a51a99
[INFO] [stderr]   32:     0x5571f1f136df - <rustc_hir::hir::Path as rustdoc::clean::Clean<rustdoc::clean::types::Path>>::clean::h960d4730c67b73ed
[INFO] [stderr]   33:     0x5571f1fb4f6e - rustdoc::clean::clean_qpath::hab4f09f534745fc8
[INFO] [stderr]   34:     0x5571f1f11e04 - <rustc_hir::hir::Ty as rustdoc::clean::Clean<rustdoc::clean::types::Type>>::clean::hc8ce32a6e888af07
[INFO] [stderr]   35:     0x5571f1f118e8 - <(&rustc_hir::hir::FnDecl,A) as rustdoc::clean::Clean<rustdoc::clean::types::FnDecl>>::clean::h2ec62a72ce81a104
[INFO] [stderr]   36:     0x5571f1e7fc9a - rustdoc::clean::utils::enter_impl_trait::h74c8e856ed490845
[INFO] [stderr]   37:     0x5571f1e5cf83 - rustdoc::core::DocContext::with_param_env::habc41d4655bc2563
[INFO] [stderr]   38:     0x5571f1de92e9 - <alloc::vec::Vec<T> as alloc::vec::spec_from_iter::SpecFromIter<T,I>>::from_iter::h1db038659816d909
[INFO] [stderr]   39:     0x5571f1fb9891 - rustdoc::clean::clean_impl::hacad9e1aa408431f
[INFO] [stderr]   40:     0x5571f1e5db17 - rustdoc::core::DocContext::with_param_env::hc0e9b140c2ee4003
[INFO] [stderr]   41:     0x5571f1de5227 - <alloc::vec::Vec<T,A> as alloc::vec::spec_extend::SpecExtend<T,I>>::spec_extend::h60b9f59f637732cd
[INFO] [stderr]   42:     0x5571f1e5bd27 - <rustdoc::doctree::Module as rustdoc::clean::Clean<rustdoc::clean::types::Item>>::clean::h24495665b964536b
[INFO] [stderr]   43:     0x5571f1e5bc9e - <rustdoc::doctree::Module as rustdoc::clean::Clean<rustdoc::clean::types::Item>>::clean::h24495665b964536b
[INFO] [stderr]   44:     0x5571f1e7b35b - rustdoc::clean::utils::krate::hcb23e1bd4d45fe38
[INFO] [stderr]   45:     0x5571f1e62ad7 - rustdoc::core::run_global_ctxt::he8ca65c9f72e37a7
[INFO] [stderr]   46:     0x5571f1e68efb - rustc_interface::passes::QueryContext::enter::h8bee8aa96cde0b09
[INFO] [stderr]   47:     0x5571f1eba721 - rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter::he995438325b00cc9
[INFO] [stderr]   48:     0x5571f1d71f90 - rustc_span::with_source_map::h934e2f1918ad8b55
[INFO] [stderr]   49:     0x5571f1ebadde - rustc_interface::interface::create_compiler_and_run::h3733b17990c4def0
[INFO] [stderr]   50:     0x5571f1d3b8e7 - rustdoc::main_options::hd3410e2beeb73426
[INFO] [stderr]   51:     0x5571f1f8c990 - scoped_tls::ScopedKey<T>::set::hdff5d7d33648ebf4
[INFO] [stderr]   52:     0x5571f1f4209b - std::sys_common::backtrace::__rust_begin_short_backtrace::h6414c7a832a123ba
[INFO] [stderr]   53:     0x5571f1f954b3 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h5402827145fc6ac8
[INFO] [stderr]   54:     0x7fb302a7ab07 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stderr]   55:     0x7fb302a7ab07 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stderr]   56:     0x7fb302a7ab07 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stderr]   57:     0x7fb302997609 - start_thread
[INFO] [stderr]   58:     0x7fb302890293 - clone
[INFO] [stderr]   59:                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/libbase64-62b9ab8cc976177b.rmeta --extern config=/opt/rustwide/target/debug/deps/libconfig-4cc671f8745bb8e2.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-3ab834cf2d65868a.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-f0d59f7e1dedbc56.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-b8a4162660552506.rmeta --extern hyper_tls=/opt/rustwide/target/debug/deps/libhyper_tls-117474a256f50bcf.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "283b539714c4e8cf337af03e92efaa85b721d746a4a127def12c88bf6c6a7249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "283b539714c4e8cf337af03e92efaa85b721d746a4a127def12c88bf6c6a7249", kill_on_drop: false }`
[INFO] [stdout] 283b539714c4e8cf337af03e92efaa85b721d746a4a127def12c88bf6c6a7249
