[INFO] fetching crate net_sync_tokio 0.2.1...
[INFO] documenting net_sync_tokio-0.2.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate net_sync_tokio 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate net_sync_tokio 0.2.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate net_sync_tokio 0.2.1
[INFO] finished tweaking crates.io crate net_sync_tokio 0.2.1
[INFO] tweaked toml for crates.io crate net_sync_tokio 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bincode2 v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e9ecaa8b4c31bf2b982f6959bc7d191e915d66d578fb63fb717904c6d950c2f
[INFO] running `Command { std: "docker" "start" "-a" "9e9ecaa8b4c31bf2b982f6959bc7d191e915d66d578fb63fb717904c6d950c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e9ecaa8b4c31bf2b982f6959bc7d191e915d66d578fb63fb717904c6d950c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e9ecaa8b4c31bf2b982f6959bc7d191e915d66d578fb63fb717904c6d950c2f", kill_on_drop: false }`
[INFO] [stdout] 9e9ecaa8b4c31bf2b982f6959bc7d191e915d66d578fb63fb717904c6d950c2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54cf4ebb6924414b70172e4e5e412eda2a0b6829806295b09d0b258e0d7687a3
[INFO] running `Command { std: "docker" "start" "-a" "54cf4ebb6924414b70172e4e5e412eda2a0b6829806295b09d0b258e0d7687a3", kill_on_drop: false }`
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking thread-id v4.2.1
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking serde v1.0.195
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]     Checking bincode2 v2.0.1
[INFO] [stderr]  Documenting net_sync_tokio v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_associated_types)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `generic_associated_types` has been stable since `1.65.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing required bound on `BorrowedSubscriptionType`
[INFO] [stdout]   --> src/sync/subscription.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     type BorrowedSubscriptionType<'a>: SubscriptionBiStream<ID=Self::ID, Conn=Self::UnderlyingConn> + Into<Self::SubscriptionType>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]    |                                                                                                                                   |
[INFO] [stdout]    |                                                                                                                                   help: add the required where clause: `where Self: 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this bound is currently required to ensure that impls have maximum flexibility
[INFO] [stdout]    = note: we are soliciting feedback, see issue #87479 <https://github.com/rust-lang/rust/issues/87479> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `net_sync_tokio`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name net_sync_tokio src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=80fd519b2829b95a -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-fd85f3ee78419db7.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-725ffe9fd02a1e56.so --extern bincode2=/opt/rustwide/target/debug/deps/libbincode2-9a3ac158c8950611.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-19782e77171d7466.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-789190932c4bddcc.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-bb488fdc660acb8a.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-dd5ae9af163e0df3.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-7c14306ccbf0b227.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-f12fcc055fb2bfeb.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-a2b0715ba54ffa32.rmeta --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-a6379b6073ae8e2e.rmeta --cap-lints=warn --crate-version 0.2.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "54cf4ebb6924414b70172e4e5e412eda2a0b6829806295b09d0b258e0d7687a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54cf4ebb6924414b70172e4e5e412eda2a0b6829806295b09d0b258e0d7687a3", kill_on_drop: false }`
[INFO] [stdout] 54cf4ebb6924414b70172e4e5e412eda2a0b6829806295b09d0b258e0d7687a3
