[INFO] fetching crate eventador 0.0.18...
[INFO] documenting eventador-0.0.18 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate eventador 0.0.18 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate eventador 0.0.18 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 eventador 0.0.18
[INFO] finished tweaking crates.io crate eventador 0.0.18
[INFO] tweaked toml for crates.io crate eventador 0.0.18 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10fefe96d27cc9226d8a52f22060c81da4110d617bf04201922c9eca6c619fcf
[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" "10fefe96d27cc9226d8a52f22060c81da4110d617bf04201922c9eca6c619fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10fefe96d27cc9226d8a52f22060c81da4110d617bf04201922c9eca6c619fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10fefe96d27cc9226d8a52f22060c81da4110d617bf04201922c9eca6c619fcf", kill_on_drop: false }`
[INFO] [stdout] 10fefe96d27cc9226d8a52f22060c81da4110d617bf04201922c9eca6c619fcf
[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: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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1541af7530c2ce944c4f7ad953c121e98bdcdbd062e0b4edd8abd8d8337f48c7
[INFO] running `Command { std: "docker" "start" "-a" "1541af7530c2ce944c4f7ad953c121e98bdcdbd062e0b4edd8abd8d8337f48c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking owned-alloc v0.2.0
[INFO] [stderr]     Checking lockfree v0.5.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking crossbeam-queue v0.3.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]  Documenting eventador v0.0.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.69s
[INFO] running `Command { std: "docker" "inspect" "1541af7530c2ce944c4f7ad953c121e98bdcdbd062e0b4edd8abd8d8337f48c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1541af7530c2ce944c4f7ad953c121e98bdcdbd062e0b4edd8abd8d8337f48c7", kill_on_drop: false }`
[INFO] [stdout] 1541af7530c2ce944c4f7ad953c121e98bdcdbd062e0b4edd8abd8d8337f48c7
[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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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" "--features" "async" "--frozen" "--message-format=json" "--" "--cfg" "docsrs" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] b003689ed73227c14da49e77cbf6aa82174612f7c5ea207a1bdffdf675af3d8d
[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" "b003689ed73227c14da49e77cbf6aa82174612f7c5ea207a1bdffdf675af3d8d", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking owned-alloc v0.2.0
[INFO] [stderr]     Checking futures-channel v0.3.21
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking lockfree v0.5.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.2.0
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.9
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking log v0.4.17
[INFO] [stderr]     Checking polling v2.2.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.7.0
[INFO] [stderr]     Checking async-global-executor v2.1.0
[INFO] [stderr]     Checking async-std v1.11.0
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]  Documenting eventador v0.0.18 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found `$`
[INFO] [stdout]   --> src/futures/publisher.rs:52:31
[INFO] [stdout]    |
[INFO] [stdout] 52 |           let stream = Box::pin(stream! {
[INFO] [stdout]    |  _______________________________^
[INFO] [stdout] 53 | |             loop {
[INFO] [stdout] 54 | |                 yield stream_ring.async_next().await;
[INFO] [stdout] 55 | |             }
[INFO] [stdout] 56 | |         });
[INFO] [stdout]    | |_________^ expected expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$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 `eventador`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name eventador src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="async"' --cfg 'feature="async-std"' --cfg 'feature="async-stream"' --cfg 'feature="futures"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --cfg docsrs -Z unstable-options --document-private-items -C metadata=7fe47df4906a49da -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-0657bc08aa8032ee.rmeta --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-0b82cfd9ba0714c6.rmeta --extern async_stream=/opt/rustwide/target/debug/deps/libasync_stream-18785877bbc8bba1.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-03891eb4007ee146.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-cbd0a24b283e9af2.rmeta --extern lockfree=/opt/rustwide/target/debug/deps/liblockfree-248e4b5eddd74804.rmeta --extern-html-root-url 'anyhow=https://docs.rs/anyhow/1.0.57/' --extern-html-root-url 'async_std=https://docs.rs/async-std/1.11.0/' --extern-html-root-url 'async_stream=https://docs.rs/async-stream/0.3.3/' --extern-html-root-url 'crossbeam=https://docs.rs/crossbeam/0.8.1/' --extern-html-root-url 'futures=https://docs.rs/futures/0.3.21/' --extern-html-root-url 'lockfree=https://docs.rs/lockfree/0.5.1/' -Zunstable-options --crate-version 0.0.18` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "b003689ed73227c14da49e77cbf6aa82174612f7c5ea207a1bdffdf675af3d8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b003689ed73227c14da49e77cbf6aa82174612f7c5ea207a1bdffdf675af3d8d", kill_on_drop: false }`
[INFO] [stdout] b003689ed73227c14da49e77cbf6aa82174612f7c5ea207a1bdffdf675af3d8d