[INFO] fetching crate messagebus 0.12.1...
[INFO] documenting messagebus-0.12.1 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate messagebus 0.12.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate messagebus 0.12.1 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate messagebus 0.12.1
[INFO] finished tweaking crates.io crate messagebus 0.12.1
[INFO] tweaked toml for crates.io crate messagebus 0.12.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate messagebus 0.12.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctxerr v0.2.5
[INFO] [stderr]   Downloaded messagebus_derive v0.3.0
[INFO] [stderr]   Downloaded ctxerr_derive v0.5.1
[INFO] [stderr]   Downloaded segvec v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 709ce713c6604ebad986b483afd7d921dab64d1bc12c114108208ff012977f33
[INFO] running `Command { std: "docker" "start" "-a" "709ce713c6604ebad986b483afd7d921dab64d1bc12c114108208ff012977f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "709ce713c6604ebad986b483afd7d921dab64d1bc12c114108208ff012977f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "709ce713c6604ebad986b483afd7d921dab64d1bc12c114108208ff012977f33", kill_on_drop: false }`
[INFO] [stdout] 709ce713c6604ebad986b483afd7d921dab64d1bc12c114108208ff012977f33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8e77fa9510289e671f1df2205d769c22b8007e0aeb89e468fc0e99c82968c26
[INFO] running `Command { std: "docker" "start" "-a" "d8e77fa9510289e671f1df2205d769c22b8007e0aeb89e468fc0e99c82968c26", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling syn v2.0.13
[INFO] [stderr]    Compiling erased-serde v0.3.25
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling messagebus_derive v0.3.0
[INFO] [stderr]     Checking segvec v0.1.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stderr]     Checking dashmap v5.4.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking tokio-util v0.7.7
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling ctxerr_derive v0.5.1
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stderr]     Checking ctxerr v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]  Documenting messagebus v0.12.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/receiver.rs:94:24
[INFO] [stdout]    |
[INFO] [stdout] 94 |     type SendFut<'a> = impl Future<Output = Result<TaskHandler, Error>> + Send + 'a;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/receiver.rs:95:27
[INFO] [stdout]    |
[INFO] [stdout] 95 |     type RequestFut<'a> = impl Future<Output = Result<R, Error>> + Send + 'a;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/receiver.rs:96:26
[INFO] [stdout]    |
[INFO] [stdout] 96 |     type ResultFut<'a> = impl Future<Output = Result<R, Error>> + Send + 'a;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/receiver.rs:97:27
[INFO] [stdout]    |
[INFO] [stdout] 97 |     type ProcessFut<'a> = impl Future<Output = Result<(), Error>> + Send + 'a;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/receivers/producer.rs:175:28
[INFO] [stdout]     |
[INFO] [stdout] 175 |     type CloseFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/receivers/producer.rs:176:28
[INFO] [stdout]     |
[INFO] [stdout] 176 |     type FlushFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/receivers/queue.rs:187:27
[INFO] [stdout]     |
[INFO] [stdout] 187 |     type InitFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/receivers/queue.rs:188:28
[INFO] [stdout]     |
[INFO] [stdout] 188 |     type CloseFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/receivers/queue.rs:189:28
[INFO] [stdout]     |
[INFO] [stdout] 189 |     type FlushFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/receivers/spawner.rs:32:27
[INFO] [stdout]    |
[INFO] [stdout] 32 |     type InitFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/receivers/spawner.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 |     type CloseFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/receivers/spawner.rs:34:28
[INFO] [stdout]    |
[INFO] [stdout] 34 |     type FlushFuture<'a> = impl Future<Output = Result<(), Error>> + 'a;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `messagebus`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name messagebus src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=60cf4cd1281962b5 -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-82034901a7a24d10.rmeta --extern ctxerr=/opt/rustwide/target/debug/deps/libctxerr-78c4deff01ed3611.rmeta --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-6f893fb5ddd01a7b.rmeta --extern erased_serde=/opt/rustwide/target/debug/deps/liberased_serde-ec7c33418323b303.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-bf3e69532e6ef781.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-3e075563a9423780.rmeta --extern messagebus_derive=/opt/rustwide/target/debug/deps/libmessagebus_derive-1559029e4c8ef577.so --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-8c63797a21e43e8d.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-78fc21b7330054d2.rmeta --extern segvec=/opt/rustwide/target/debug/deps/libsegvec-8f177442c740d281.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-f27f12804bf7ab0a.rmeta --extern sharded_slab=/opt/rustwide/target/debug/deps/libsharded_slab-76cd0992c73d5bd6.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-72b77fbb974be5ff.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-b297730821a89a6b.rmeta --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-747da0e577a70fc1.rmeta --cap-lints=warn --crate-version 0.12.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d8e77fa9510289e671f1df2205d769c22b8007e0aeb89e468fc0e99c82968c26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8e77fa9510289e671f1df2205d769c22b8007e0aeb89e468fc0e99c82968c26", kill_on_drop: false }`
[INFO] [stdout] d8e77fa9510289e671f1df2205d769c22b8007e0aeb89e468fc0e99c82968c26
