[INFO] fetching crate rudux 0.1.0... [INFO] checking rudux-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate rudux 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate rudux 0.1.0 [INFO] finished tweaking crates.io crate rudux 0.1.0 [INFO] tweaked toml for crates.io crate rudux 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rudux 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 36 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4c87b7088b8df56d7148ff28b9ea97c8487b2a2d51cd9460a4f4a31498297a0f [INFO] running `Command { std: "docker" "start" "-a" "4c87b7088b8df56d7148ff28b9ea97c8487b2a2d51cd9460a4f4a31498297a0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c87b7088b8df56d7148ff28b9ea97c8487b2a2d51cd9460a4f4a31498297a0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c87b7088b8df56d7148ff28b9ea97c8487b2a2d51cd9460a4f4a31498297a0f", kill_on_drop: false }` [INFO] [stdout] 4c87b7088b8df56d7148ff28b9ea97c8487b2a2d51cd9460a4f4a31498297a0f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f128c5a402593f03c7cf38323a5c76f28af438b6394047db6bbde65c396617a [INFO] running `Command { std: "docker" "start" "-a" "1f128c5a402593f03c7cf38323a5c76f28af438b6394047db6bbde65c396617a", kill_on_drop: false }` [INFO] [stderr] Checking pin-project-lite v0.2.16 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Checking futures-io v0.3.31 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking tokio v1.45.1 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking rudux v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `state` [INFO] [stdout] --> src/store.rs:109:21 [INFO] [stdout] | [INFO] [stdout] 109 | let state = state2.clone(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_state` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/store.rs:123:23 [INFO] [stdout] | [INFO] [stdout] 123 | pub fn with_state(mut self, state: State) -> Self { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `proxy` [INFO] [stdout] --> src/store.rs:290:53 [INFO] [stdout] | [INFO] [stdout] 290 | let store = store.add_middleware_sync(move |proxy, evt, next| { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_proxy` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `proxy` [INFO] [stdout] --> src/store.rs:303:53 [INFO] [stdout] | [INFO] [stdout] 303 | let store = store.add_middleware_sync(move |proxy, evt, next| { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_proxy` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `events` is never read [INFO] [stdout] --> src/store.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct StoreProxy [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 49 | events: Arc>>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StoreProxy` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Decrement` is never constructed [INFO] [stdout] --> src/store.rs:260:9 [INFO] [stdout] | [INFO] [stdout] 258 | enum TestEvent { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 259 | Increment, [INFO] [stdout] 260 | Decrement, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TestEvent` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/store.rs:59:18 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn state(&self) -> std::sync::RwLockReadGuard { [INFO] [stdout] | ^^^^^ --------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 59 | pub fn state(&self) -> std::sync::RwLockReadGuard<'_, State> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/store.rs:198:15 [INFO] [stdout] | [INFO] [stdout] 198 | fn events(&self) -> MutexGuard> { [INFO] [stdout] | ^^^^^ ---------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 198 | fn events(&self) -> MutexGuard<'_, Vec> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/store.rs:202:18 [INFO] [stdout] | [INFO] [stdout] 202 | pub fn state(&self) -> std::sync::RwLockReadGuard { [INFO] [stdout] | ^^^^^ --------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 202 | pub fn state(&self) -> std::sync::RwLockReadGuard<'_, State> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `state` [INFO] [stdout] --> src/store.rs:109:21 [INFO] [stdout] | [INFO] [stdout] 109 | let state = state2.clone(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_state` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/store.rs:123:23 [INFO] [stdout] | [INFO] [stdout] 123 | pub fn with_state(mut self, state: State) -> Self { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `events` is never read [INFO] [stdout] --> src/store.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct StoreProxy [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 49 | events: Arc>>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StoreProxy` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/store.rs:59:18 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn state(&self) -> std::sync::RwLockReadGuard { [INFO] [stdout] | ^^^^^ --------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 59 | pub fn state(&self) -> std::sync::RwLockReadGuard<'_, State> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/store.rs:198:15 [INFO] [stdout] | [INFO] [stdout] 198 | fn events(&self) -> MutexGuard> { [INFO] [stdout] | ^^^^^ ---------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 198 | fn events(&self) -> MutexGuard<'_, Vec> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/store.rs:202:18 [INFO] [stdout] | [INFO] [stdout] 202 | pub fn state(&self) -> std::sync::RwLockReadGuard { [INFO] [stdout] | ^^^^^ --------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 202 | pub fn state(&self) -> std::sync::RwLockReadGuard<'_, State> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.20s [INFO] running `Command { std: "docker" "inspect" "1f128c5a402593f03c7cf38323a5c76f28af438b6394047db6bbde65c396617a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f128c5a402593f03c7cf38323a5c76f28af438b6394047db6bbde65c396617a", kill_on_drop: false }` [INFO] [stdout] 1f128c5a402593f03c7cf38323a5c76f28af438b6394047db6bbde65c396617a