[INFO] fetching crate flv-future-aio 1.1.0...
[INFO] documenting flv-future-aio-1.1.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate flv-future-aio 1.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate flv-future-aio 1.1.0 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 crates.io crate flv-future-aio 1.1.0
[INFO] finished tweaking crates.io crate flv-future-aio 1.1.0
[INFO] tweaked toml for crates.io crate flv-future-aio 1.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 7ab4bdfe57f7b46c976dd32cd32c6c83d32d5a5fb0f369b905326f97058b7eb2
[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" "7ab4bdfe57f7b46c976dd32cd32c6c83d32d5a5fb0f369b905326f97058b7eb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ab4bdfe57f7b46c976dd32cd32c6c83d32d5a5fb0f369b905326f97058b7eb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ab4bdfe57f7b46c976dd32cd32c6c83d32d5a5fb0f369b905326f97058b7eb2", kill_on_drop: false }`
[INFO] [stdout] 7ab4bdfe57f7b46c976dd32cd32c6c83d32d5a5fb0f369b905326f97058b7eb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e73472933358228e865cc5eb524e26a4d3893174f6931a686d48cb7d32105931
[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" "e73472933358228e865cc5eb524e26a4d3893174f6931a686d48cb7d32105931", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking futures-channel v0.3.16
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking futures-util v0.3.16
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.7
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking flv-util v0.1.1
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-process v1.2.0
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking futures_codec v0.3.4
[INFO] [stderr]  Documenting flv-future-aio v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `async_std::sync::Receiver`
[INFO] [stdout]   --> src/sync/mod.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub use async_std::sync::Receiver;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^ no `Receiver` in `sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `async_std::sync::Sender`
[INFO] [stdout]   --> src/sync/mod.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub use async_std::sync::Sender;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^ no `Sender` in `sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `async_std::sync::channel`
[INFO] [stdout]   --> src/sync/mod.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub use async_std::sync::channel;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ no `channel` in `sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `flv-future-aio`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name flv_future_aio src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="async-std"' --cfg 'feature="asyncstd"' --cfg 'feature="default"' --cfg 'feature="futures-timer"' --cfg 'feature="futures_codec"' --cfg 'feature="tokio"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-df76510dd4f4165c.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-7e43b1d2f111fd00.so --extern bytes=/opt/rustwide/target/debug/deps/libbytes-5a69d67e5415873b.rmeta --extern flv_util=/opt/rustwide/target/debug/deps/libflv_util-08a0d45e20670d1e.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-9f47a207b759aad5.rmeta --extern futures_timer=/opt/rustwide/target/debug/deps/libfutures_timer-57924d67074feb5b.rmeta --extern futures_codec=/opt/rustwide/target/debug/deps/libfutures_codec-81d63bc3f618bfd8.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-905687a98b030eec.rmeta --extern memmap=/opt/rustwide/target/debug/deps/libmemmap-96568cba324cc427.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-f7beab12d7afff90.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-919eec9578452e19.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-6f74d23aec52034d.rmeta --cap-lints=warn --crate-version 1.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e73472933358228e865cc5eb524e26a4d3893174f6931a686d48cb7d32105931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e73472933358228e865cc5eb524e26a4d3893174f6931a686d48cb7d32105931", kill_on_drop: false }`
[INFO] [stdout] e73472933358228e865cc5eb524e26a4d3893174f6931a686d48cb7d32105931
