[INFO] fetching crate foxglove-ws 0.2.2...
[INFO] testing foxglove-ws-0.2.2 against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] extracting crate foxglove-ws 0.2.2 into /workspace/builds/worker-1-tc2/source
[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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate foxglove-ws 0.2.2 on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f0c5f8d32d6121bf444353efe70822718c9e6d7a3e84c439026ce8547c25f2a
[INFO] running `Command { std: "docker" "start" "-a" "1f0c5f8d32d6121bf444353efe70822718c9e6d7a3e84c439026ce8547c25f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f0c5f8d32d6121bf444353efe70822718c9e6d7a3e84c439026ce8547c25f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f0c5f8d32d6121bf444353efe70822718c9e6d7a3e84c439026ce8547c25f2a", kill_on_drop: false }`
[INFO] [stdout] 1f0c5f8d32d6121bf444353efe70822718c9e6d7a3e84c439026ce8547c25f2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 1598169390b19937d7197bc4fed0e3e39353e39e554ec204b932c5556a9d021f
[INFO] running `Command { std: "docker" "start" "-a" "1598169390b19937d7197bc4fed0e3e39353e39e554ec204b932c5556a9d021f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v1.5.0
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[INFO] [stderr]    Compiling encoding_rs v0.8.33
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling rustls-pemfile v1.0.3
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling url v2.4.1
[INFO] [stderr]    Compiling uuid v1.4.1
[INFO] [stderr]    Compiling headers v0.3.9
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling tokio v1.32.0
[INFO] [stderr]    Compiling tungstenite v0.20.1
[INFO] [stderr]    Compiling pin-project v1.1.3
[INFO] [stderr]    Compiling tokio-util v0.7.9
[INFO] [stderr]    Compiling tokio-stream v0.1.14
[INFO] [stderr]    Compiling tokio-tungstenite v0.20.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling h2 v0.3.21
[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` profile [unoptimized + debuginfo] target(s) in 36.58s
[INFO] running `Command { std: "docker" "inspect" "1598169390b19937d7197bc4fed0e3e39353e39e554ec204b932c5556a9d021f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1598169390b19937d7197bc4fed0e3e39353e39e554ec204b932c5556a9d021f", kill_on_drop: false }`
[INFO] [stdout] 1598169390b19937d7197bc4fed0e3e39353e39e554ec204b932c5556a9d021f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 8fa8db7b2276cf6f7e5c0bfec6697afd71887a4981d3487163453bc808efb4de
[INFO] running `Command { std: "docker" "start" "-a" "8fa8db7b2276cf6f7e5c0bfec6697afd71887a4981d3487163453bc808efb4de", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling rustix v0.38.15
[INFO] [stderr]    Compiling aho-corasick v1.1.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.8
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling termcolor v1.3.0
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling tungstenite v0.20.1
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]    Compiling tokio-util v0.7.9
[INFO] [stderr]    Compiling h2 v0.3.21
[INFO] [stderr]    Compiling tokio-tungstenite v0.20.1
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling regex-automata v0.3.9
[INFO] [stderr]    Compiling regex v1.9.6
[INFO] [stderr]    Compiling env_logger v0.10.0
[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 `test` profile [unoptimized + debuginfo] target(s) in 21.09s
[INFO] running `Command { std: "docker" "inspect" "8fa8db7b2276cf6f7e5c0bfec6697afd71887a4981d3487163453bc808efb4de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa8db7b2276cf6f7e5c0bfec6697afd71887a4981d3487163453bc808efb4de", kill_on_drop: false }`
[INFO] [stdout] 8fa8db7b2276cf6f7e5c0bfec6697afd71887a4981d3487163453bc808efb4de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 75b0abaf25e36a95a34ac3d4877a34fa5037c3af3e73da4b17e280063e9abdd5
[INFO] running `Command { std: "docker" "start" "-a" "75b0abaf25e36a95a34ac3d4877a34fa5037c3af3e73da4b17e280063e9abdd5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/foxglove-ws/a5f082a83bd09972/deps/foxglove_ws-a5f082a83bd09972)
[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] [stderr] error: doctest failed, to rerun pass `--doc`
[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] 26 | #[tokio::main]
[INFO] [stdout]    | -------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 42 |         .await?;
[INFO] [stdout]    |               ^ cannot use the `?` operator in an async block that returns `()`
[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] 26 | #[tokio::main]
[INFO] [stdout]    | -------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 46 |             &build_string_message("Hello!")?,
[INFO] [stdout]    |                                            ^ cannot use the `?` operator in an async block that returns `()`
[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] 26 | #[tokio::main]
[INFO] [stdout]    | -------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 48 |         .await?;
[INFO] [stdout]    |               ^ cannot use the `?` operator in an async block that returns `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |   async fn main() -> anyhow::Result<()> {
[INFO] [stdout]    |                      ------------------ expected `Result<(), anyhow::Error>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 43 | /     channel
[INFO] [stdout] 44 | |         .send(
[INFO] [stdout] 45 | |             SystemTime::now().elapsed().unwrap().as_nanos() as u64,
[INFO] [stdout] 46 | |             &build_string_message("Hello!")?,
[INFO] [stdout] 47 | |         )
[INFO] [stdout] 48 | |         .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] 48 ~         .await?;;
[INFO] [stdout] 49 +     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 0.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "75b0abaf25e36a95a34ac3d4877a34fa5037c3af3e73da4b17e280063e9abdd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b0abaf25e36a95a34ac3d4877a34fa5037c3af3e73da4b17e280063e9abdd5", kill_on_drop: false }`
[INFO] [stdout] 75b0abaf25e36a95a34ac3d4877a34fa5037c3af3e73da4b17e280063e9abdd5
