[INFO] fetching crate lambda_runtime 0.5.1...
[INFO] documenting lambda_runtime-0.5.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate lambda_runtime 0.5.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate lambda_runtime 0.5.1 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lambda_runtime 0.5.1
[INFO] finished tweaking crates.io crate lambda_runtime 0.5.1
[INFO] tweaked toml for crates.io crate lambda_runtime 0.5.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate lambda_runtime 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 667f8e89c0c5dcb1b71527f85ad9adc1eaf4a4597708182dbb5b95038b7f180c
[INFO] running `Command { std: "docker" "start" "-a" "667f8e89c0c5dcb1b71527f85ad9adc1eaf4a4597708182dbb5b95038b7f180c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "667f8e89c0c5dcb1b71527f85ad9adc1eaf4a4597708182dbb5b95038b7f180c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "667f8e89c0c5dcb1b71527f85ad9adc1eaf4a4597708182dbb5b95038b7f180c", kill_on_drop: false }`
[INFO] [stdout] 667f8e89c0c5dcb1b71527f85ad9adc1eaf4a4597708182dbb5b95038b7f180c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0865d18d29ae5afa536fc99c4473554ec715d3bcdb1a42ba12cb6dd379f9ae4
[INFO] running `Command { std: "docker" "start" "-a" "b0865d18d29ae5afa536fc99c4473554ec715d3bcdb1a42ba12cb6dd379f9ae4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking tower-service v0.3.1
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[INFO] [stderr]    Compiling serde v1.0.136
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[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking tracing-core v0.1.23
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking hdrhistogram v7.5.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking tokio-util v0.7.0
[INFO] [stderr]     Checking tokio-stream v0.1.8
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[INFO] [stderr]     Checking tracing v0.1.32
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[INFO] [stderr]     Checking lambda_runtime_api_client v0.5.0
[INFO] [stderr]  Documenting lambda_runtime v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.94s
[INFO] running `Command { std: "docker" "inspect" "b0865d18d29ae5afa536fc99c4473554ec715d3bcdb1a42ba12cb6dd379f9ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0865d18d29ae5afa536fc99c4473554ec715d3bcdb1a42ba12cb6dd379f9ae4", kill_on_drop: false }`
[INFO] [stdout] b0865d18d29ae5afa536fc99c4473554ec715d3bcdb1a42ba12cb6dd379f9ae4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 8d60e5bf2ec74ca69944d7577e08d731e07475794174956f1f001fae481e487a
[INFO] running `Command { std: "docker" "start" "-a" "8d60e5bf2ec74ca69944d7577e08d731e07475794174956f1f001fae481e487a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking tracing-core v0.1.23
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking hdrhistogram v7.5.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking tracing v0.1.32
[INFO] [stderr]     Checking tokio-util v0.7.0
[INFO] [stderr]     Checking hyper v0.14.17
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking tower v0.4.12
[INFO] [stderr]     Checking lambda_runtime_api_client v0.5.0
[INFO] [stderr]  Documenting lambda_runtime v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found `$`
[INFO] [stdout]    --> src/lib.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 199 | /     async_stream::stream! {
[INFO] [stdout] 200 | |         loop {
[INFO] [stdout] 201 | |             trace!("Waiting for next event (incoming loop)");
[INFO] [stdout] 202 | |             let req = NextEventRequest.into_req().expect("Unable to construct request");
[INFO] [stdout] ...   |
[INFO] [stdout] 205 | |         }
[INFO] [stdout] 206 | |     }
[INFO] [stdout]     | |_____^ expected expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::async_stream_impl::stream_inner` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `lambda_runtime`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name lambda_runtime src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="simulated"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -Z unstable-options --document-private-items -C metadata=5db16745b612c40b -L dependency=/opt/rustwide/target/debug/deps --extern async_stream=/opt/rustwide/target/debug/deps/libasync_stream-fb4f61d5f8cbbf1a.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-3ff2dcaec82f87b7.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-f5a3ceabeb6c3923.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-f3f6032dd67970db.rmeta --extern lambda_runtime_api_client=/opt/rustwide/target/debug/deps/liblambda_runtime_api_client-2124796b0937f418.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-1dba51e674b82cb6.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-f97bde49440ad7e3.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-39e539fcc637dd1e.rmeta --extern tokio_stream=/opt/rustwide/target/debug/deps/libtokio_stream-ceba1cad32bd00c4.rmeta --extern tower=/opt/rustwide/target/debug/deps/libtower-699f2377c49374ce.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-a3a49c585da419ef.rmeta --extern-html-root-url 'async_stream=https://docs.rs/async-stream/0.3.3/' --extern-html-root-url 'bytes=https://docs.rs/bytes/1.1.0/' --extern-html-root-url 'http=https://docs.rs/http/0.2.6/' --extern-html-root-url 'hyper=https://docs.rs/hyper/0.14.17/' --extern-html-root-url 'lambda_runtime_api_client=https://docs.rs/lambda_runtime_api_client/0.5.0/' --extern-html-root-url 'serde=https://docs.rs/serde/1.0.136/' --extern-html-root-url 'serde_json=https://docs.rs/serde_json/1.0.79/' --extern-html-root-url 'tokio=https://docs.rs/tokio/1.17.0/' --extern-html-root-url 'tokio_stream=https://docs.rs/tokio-stream/0.1.8/' --extern-html-root-url 'tower=https://docs.rs/tower/0.4.12/' --extern-html-root-url 'tracing=https://docs.rs/tracing/0.1.32/' -Zunstable-options --crate-version 0.5.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8d60e5bf2ec74ca69944d7577e08d731e07475794174956f1f001fae481e487a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d60e5bf2ec74ca69944d7577e08d731e07475794174956f1f001fae481e487a", kill_on_drop: false }`
[INFO] [stdout] 8d60e5bf2ec74ca69944d7577e08d731e07475794174956f1f001fae481e487a