[INFO] fetching crate work_dispatcher 0.1.1... [INFO] testing work_dispatcher-0.1.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate work_dispatcher 0.1.1 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate work_dispatcher 0.1.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate work_dispatcher 0.1.1 [INFO] tweaked toml for crates.io crate work_dispatcher 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate work_dispatcher 0.1.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate work_dispatcher 0.1.1 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bitflags v2.9.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f2589fba76d58b053a2995417ec13e3ae1d0255330ff4afcc625d941ae976433 [INFO] running `Command { std: "docker" "start" "-a" "f2589fba76d58b053a2995417ec13e3ae1d0255330ff4afcc625d941ae976433", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f2589fba76d58b053a2995417ec13e3ae1d0255330ff4afcc625d941ae976433", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2589fba76d58b053a2995417ec13e3ae1d0255330ff4afcc625d941ae976433", kill_on_drop: false }` [INFO] [stdout] f2589fba76d58b053a2995417ec13e3ae1d0255330ff4afcc625d941ae976433 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78aa0790d6914daf8c968b4dedc74b692df999332a4f604ec8ca8092f216cf72 [INFO] running `Command { std: "docker" "start" "-a" "78aa0790d6914daf8c968b4dedc74b692df999332a4f604ec8ca8092f216cf72", kill_on_drop: false }` [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling tokio v1.47.1 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling nanorand v0.7.0 [INFO] [stderr] Compiling flume v0.11.1 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling async-trait v0.1.89 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling work_dispatcher v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.14s [INFO] running `Command { std: "docker" "inspect" "78aa0790d6914daf8c968b4dedc74b692df999332a4f604ec8ca8092f216cf72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78aa0790d6914daf8c968b4dedc74b692df999332a4f604ec8ca8092f216cf72", kill_on_drop: false }` [INFO] [stdout] 78aa0790d6914daf8c968b4dedc74b692df999332a4f604ec8ca8092f216cf72 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b3bdb09598d824f9aee8a2c9f5e6adf226114eae6376bcaf0d352143fccf6b4f [INFO] running `Command { std: "docker" "start" "-a" "b3bdb09598d824f9aee8a2c9f5e6adf226114eae6376bcaf0d352143fccf6b4f", kill_on_drop: false }` [INFO] [stderr] Compiling tracing-log v0.2.0 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling tracing-subscriber v0.3.19 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling async-trait v0.1.89 [INFO] [stderr] Compiling tokio v1.47.1 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling work_dispatcher v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 13.06s [INFO] running `Command { std: "docker" "inspect" "b3bdb09598d824f9aee8a2c9f5e6adf226114eae6376bcaf0d352143fccf6b4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3bdb09598d824f9aee8a2c9f5e6adf226114eae6376bcaf0d352143fccf6b4f", kill_on_drop: false }` [INFO] [stdout] b3bdb09598d824f9aee8a2c9f5e6adf226114eae6376bcaf0d352143fccf6b4f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4c485899581ac74bb6afef846a6e31509337291872176c28cd3125b85ce43e87 [INFO] running `Command { std: "docker" "start" "-a" "4c485899581ac74bb6afef846a6e31509337291872176c28cd3125b85ce43e87", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/work_dispatcher-7dc53d4720002d37) [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 work_dispatcher [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 10) - compile ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 10) stdout ---- [INFO] [stdout] error[E0277]: the `?` operator can only be applied to values that implement `Try` [INFO] [stdout] --> src/lib.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | sender.send_async(MyDataItem(i))?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `SendFut<'_, MyDataItem>` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Try` is not implemented for `SendFut<'_, MyDataItem>` [INFO] [stdout] help: consider `await`ing on the `Future` [INFO] [stdout] | [INFO] [stdout] 27 | sender.send_async(MyDataItem(i)).await?; [INFO] [stdout] | ++++++ [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | Ok(()) [INFO] [stdout] | ^^^^^^ expected `()`, found `Result<(), _>` [INFO] [stdout] | [INFO] [stdout] = note: expected unit type `()` [INFO] [stdout] found enum `Result<(), _>` [INFO] [stdout] note: return type inferred to be `()` here [INFO] [stdout] --> src/lib.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | sender.send_async(MyDataItem(i))?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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:27:45 [INFO] [stdout] | [INFO] [stdout] 25 | async fn run(self, sender: Sender) { [INFO] [stdout] | ----- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] 26 | for i in 0..100 { [INFO] [stdout] 27 | sender.send_async(MyDataItem(i))?; [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:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | Ok(()) [INFO] [stdout] | ^^^^^^ expected `()`, found `Result<(), _>` [INFO] [stdout] | [INFO] [stdout] = note: expected unit type `()` [INFO] [stdout] found enum `Result<(), _>` [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 10) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s [INFO] [stdout] [INFO] [stdout] all doctests ran in 0.41s; merged doctests compilation took 0.25s [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "4c485899581ac74bb6afef846a6e31509337291872176c28cd3125b85ce43e87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c485899581ac74bb6afef846a6e31509337291872176c28cd3125b85ce43e87", kill_on_drop: false }` [INFO] [stdout] 4c485899581ac74bb6afef846a6e31509337291872176c28cd3125b85ce43e87