[INFO] fetching crate foxglove-ws 0.2.2...
[INFO] testing foxglove-ws-0.2.2 against 1.75.0 for beta-1.76-1
[INFO] extracting crate foxglove-ws 0.2.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate foxglove-ws 0.2.2 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 foxglove-ws 0.2.2
[INFO] finished tweaking crates.io crate foxglove-ws 0.2.2
[INFO] tweaked toml for crates.io crate foxglove-ws 0.2.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate foxglove-ws 0.2.2 already has a lockfile, it will not be regenerated
[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 tokio-tungstenite v0.20.1
[INFO] [stderr]   Downloaded tungstenite v0.20.1
[INFO] [stderr]   Downloaded warp v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 237ab9b9d2b0588a8ca52671eaaa91d1fc408a973ed5857c1f05cde13cebe88d
[INFO] running `Command { std: "docker" "start" "-a" "237ab9b9d2b0588a8ca52671eaaa91d1fc408a973ed5857c1f05cde13cebe88d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "237ab9b9d2b0588a8ca52671eaaa91d1fc408a973ed5857c1f05cde13cebe88d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "237ab9b9d2b0588a8ca52671eaaa91d1fc408a973ed5857c1f05cde13cebe88d", kill_on_drop: false }`
[INFO] [stdout] 237ab9b9d2b0588a8ca52671eaaa91d1fc408a973ed5857c1f05cde13cebe88d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 006989f3d5b56288d30af2cbbb42f002b5974e7370e6ae4c829b1ae9bab0cc0c
[INFO] running `Command { std: "docker" "start" "-a" "006989f3d5b56288d30af2cbbb42f002b5974e7370e6ae4c829b1ae9bab0cc0c", kill_on_drop: false }`
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[INFO] [stderr]    Compiling hyper v0.14.27
[INFO] [stderr]    Compiling warp v0.3.6
[INFO] [stderr]    Compiling foxglove-ws v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.35s
[INFO] running `Command { std: "docker" "inspect" "006989f3d5b56288d30af2cbbb42f002b5974e7370e6ae4c829b1ae9bab0cc0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "006989f3d5b56288d30af2cbbb42f002b5974e7370e6ae4c829b1ae9bab0cc0c", kill_on_drop: false }`
[INFO] [stdout] 006989f3d5b56288d30af2cbbb42f002b5974e7370e6ae4c829b1ae9bab0cc0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96af3602ed52b5cbf89aeec9474ad555fd625fd07bf4f44a082c34ebd2985cc1
[INFO] running `Command { std: "docker" "start" "-a" "96af3602ed52b5cbf89aeec9474ad555fd625fd07bf4f44a082c34ebd2985cc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling rustix v0.38.15
[INFO] [stderr]    Compiling tungstenite v0.20.1
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[INFO] [stderr]    Compiling warp v0.3.6
[INFO] [stderr]    Compiling foxglove-ws v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.70s
[INFO] running `Command { std: "docker" "inspect" "96af3602ed52b5cbf89aeec9474ad555fd625fd07bf4f44a082c34ebd2985cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96af3602ed52b5cbf89aeec9474ad555fd625fd07bf4f44a082c34ebd2985cc1", kill_on_drop: false }`
[INFO] [stdout] 96af3602ed52b5cbf89aeec9474ad555fd625fd07bf4f44a082c34ebd2985cc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bfa1b17511a25ec7bead15987e729184935766c4b6cae31591f6dd5b7a9ca0c2
[INFO] running `Command { std: "docker" "start" "-a" "bfa1b17511a25ec7bead15987e729184935766c4b6cae31591f6dd5b7a9ca0c2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/foxglove_ws-9294aa96ba228e75)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests foxglove-ws
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 13) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 13) stdout ----
[INFO] [stdout] error[E0277]: the `?` operator can only be used in an async block that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:42:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[tokio::main]
[INFO] [stdout]    | -------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 31 |         .await?;
[INFO] [stdout]    |               ^ cannot use the `?` operator in an async block that returns `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromResidual<Result<Infallible, anyhow::Error>>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in an async block that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:46:44
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[tokio::main]
[INFO] [stdout]    | -------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 35 |             &build_string_message("Hello!")?,
[INFO] [stdout]    |                                            ^ cannot use the `?` operator in an async block that returns `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromResidual<Result<Infallible, anyhow::Error>>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in an async block that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:48:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[tokio::main]
[INFO] [stdout]    | -------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 37 |         .await?;
[INFO] [stdout]    |               ^ cannot use the `?` operator in an async block that returns `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromResidual<Result<Infallible, anyhow::Error>>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |   async fn main() -> anyhow::Result<()> {
[INFO] [stdout]    |                      ------------------ expected `Result<(), anyhow::Error>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 32 | /     channel
[INFO] [stdout] 33 | |         .send(
[INFO] [stdout] 34 | |             SystemTime::now().elapsed().unwrap().as_nanos() as u64,
[INFO] [stdout] 35 | |             &build_string_message("Hello!")?,
[INFO] [stdout] 36 | |         )
[INFO] [stdout] 37 | |         .await?;
[INFO] [stdout]    | |________________^ expected `Result<(), Error>`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<(), anyhow::Error>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] help: try adding an expression at the end of the block
[INFO] [stdout]    |
[INFO] [stdout] 37 ~         .await?;;
[INFO] [stdout] 38 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 13)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "bfa1b17511a25ec7bead15987e729184935766c4b6cae31591f6dd5b7a9ca0c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfa1b17511a25ec7bead15987e729184935766c4b6cae31591f6dd5b7a9ca0c2", kill_on_drop: false }`
[INFO] [stdout] bfa1b17511a25ec7bead15987e729184935766c4b6cae31591f6dd5b7a9ca0c2
