[INFO] fetching crate round-based 0.1.6...
[INFO] documenting round-based-0.1.6 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate round-based 0.1.6 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate round-based 0.1.6 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 round-based 0.1.6
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate round-based 0.1.6
[INFO] tweaked toml for crates.io crate round-based 0.1.6 written to /workspace/builds/worker-27/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 4e9847d801c28a29a78cf176ff20253f6b8150cf350b0726055d83980dad0731
[INFO] running `Command { std: "docker" "start" "-a" "4e9847d801c28a29a78cf176ff20253f6b8150cf350b0726055d83980dad0731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e9847d801c28a29a78cf176ff20253f6b8150cf350b0726055d83980dad0731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e9847d801c28a29a78cf176ff20253f6b8150cf350b0726055d83980dad0731", kill_on_drop: false }`
[INFO] [stdout] 4e9847d801c28a29a78cf176ff20253f6b8150cf350b0726055d83980dad0731
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 10d39aaef46a88e46eef648dd0a56bd82b27772a511b843a9e9bee699fb83673
[INFO] running `Command { std: "docker" "start" "-a" "10d39aaef46a88e46eef648dd0a56bd82b27772a511b843a9e9bee699fb83673", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]  Documenting round-based v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `crate::dev::Simulation`
[INFO] [stdout]   --> src/lib.rs:68:69
[INFO] [stdout]    |
[INFO] [stdout] 68 | //! For development purposes, you can also find useful [Simulation](crate::dev::Simulation) and
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^^ no item named `dev` in module `round_based`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `dev::AsyncSimulation`
[INFO] [stdout]   --> src/lib.rs:69:23
[INFO] [stdout]    |
[INFO] [stdout] 69 | //! [AsyncSimulation](dev::AsyncSimulation) simulations that can run protocols locally.
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^ no item named `dev` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.09s
[INFO] running `Command { std: "docker" "inspect" "10d39aaef46a88e46eef648dd0a56bd82b27772a511b843a9e9bee699fb83673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10d39aaef46a88e46eef648dd0a56bd82b27772a511b843a9e9bee699fb83673", kill_on_drop: false }`
[INFO] [stdout] 10d39aaef46a88e46eef648dd0a56bd82b27772a511b843a9e9bee699fb83673
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "--all-features" "--frozen" "--message-format=json" "--" "--cfg" "docsrs" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] f10c6ec8cf2fa14aac876cb72b2915ca95ef9f53ad327abd20c19ff1c07cb5a5
[INFO] running `Command { std: "docker" "start" "-a" "f10c6ec8cf2fa14aac876cb72b2915ca95ef9f53ad327abd20c19ff1c07cb5a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]  Documenting round-based v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found `$`
[INFO] [stdout]    --> src/dev/async_simulation.rs:138:18
[INFO] [stdout]     |
[INFO] [stdout] 138 |       let stream = async_stream::stream! {
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 139 | |         loop {
[INFO] [stdout] 140 | |             let item = rx.recv().await;
[INFO] [stdout] 141 | |             yield item
[INFO] [stdout] 142 | |         }
[INFO] [stdout] 143 | |     };
[INFO] [stdout]     | |_____^ expected expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$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 `round-based`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name round_based src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="async-runtime"' --cfg 'feature="async-stream"' --cfg 'feature="default"' --cfg 'feature="dev"' --cfg 'feature="futures"' --cfg 'feature="tokio"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --cfg docsrs -Z unstable-options --document-private-items -C metadata=d15b9ece32952d50 -L dependency=/opt/rustwide/target/debug/deps --extern async_stream=/opt/rustwide/target/debug/deps/libasync_stream-dd9dbea86eb11cb5.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-8a9be2a49b571ad2.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-c2966570978c8032.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-9ac4f65a4b7e7052.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-6653450a3a31fc7a.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-8cf1a496bc4eb54d.rmeta --extern-html-root-url 'async_stream=https://docs.rs/async-stream/0.3.3/' --extern-html-root-url 'futures=https://docs.rs/futures/0.3.21/' --extern-html-root-url 'log=https://docs.rs/log/0.4.17/' --extern-html-root-url 'serde=https://docs.rs/serde/1.0.137/' --extern-html-root-url 'thiserror=https://docs.rs/thiserror/1.0.31/' --extern-html-root-url 'tokio=https://docs.rs/tokio/1.18.2/' -Zunstable-options --crate-version 0.1.6` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "f10c6ec8cf2fa14aac876cb72b2915ca95ef9f53ad327abd20c19ff1c07cb5a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f10c6ec8cf2fa14aac876cb72b2915ca95ef9f53ad327abd20c19ff1c07cb5a5", kill_on_drop: false }`
[INFO] [stdout] f10c6ec8cf2fa14aac876cb72b2915ca95ef9f53ad327abd20c19ff1c07cb5a5