[INFO] fetching crate ankurah-signals 0.5.4... [INFO] checking ankurah-signals-0.5.4 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate ankurah-signals 0.5.4 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate ankurah-signals 0.5.4 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate ankurah-signals 0.5.4 [INFO] tweaked toml for crates.io crate ankurah-signals 0.5.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ankurah-signals 0.5.4 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate ankurah-signals 0.5.4 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 242439baa12411bdafc9e3b810f5e12cbfc6e249f37bda4b97f12d29e1d411b8 [INFO] running `Command { std: "docker" "start" "-a" "242439baa12411bdafc9e3b810f5e12cbfc6e249f37bda4b97f12d29e1d411b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "242439baa12411bdafc9e3b810f5e12cbfc6e249f37bda4b97f12d29e1d411b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "242439baa12411bdafc9e3b810f5e12cbfc6e249f37bda4b97f12d29e1d411b8", kill_on_drop: false }` [INFO] [stdout] 242439baa12411bdafc9e3b810f5e12cbfc6e249f37bda4b97f12d29e1d411b8 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 85a6614effdf640294808812bcf92591dd8ea63b9580efa4505ea65dbae7b647 [INFO] running `Command { std: "docker" "start" "-a" "85a6614effdf640294808812bcf92591dd8ea63b9580efa4505ea65dbae7b647", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Checking pin-project-lite v0.2.16 [INFO] [stderr] Checking once_cell v1.21.1 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking log v0.4.26 [INFO] [stderr] Checking smallvec v1.15.0 [INFO] [stderr] Checking bytes v1.10.1 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking tracing-core v0.1.33 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking tracing-subscriber v0.3.19 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling tracing-attributes v0.1.28 [INFO] [stderr] Compiling async-stream-impl v0.3.6 [INFO] [stderr] Checking tokio v1.44.1 [INFO] [stderr] Checking async-stream v0.3.6 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking tokio-stream v0.1.17 [INFO] [stderr] Checking ankurah-signals v0.5.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `set_with` is never used [INFO] [stdout] --> src/value.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 18 | impl ValueCell { [INFO] [stdout] | -------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn set_with(&self, value: T, f: impl Fn(&T) -> R) -> R { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/broadcast.rs:53:22 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn reference(&self) -> Ref { Ref(&self) } [INFO] [stdout] | ^^^^^ --- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 53 | pub fn reference(&self) -> Ref<'_> { Ref(&self) } [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified [INFO] [stdout] --> src/porcelain/wait.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | async fn wait_value(&self, target_value: T) -> () [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` [INFO] [stdout] = note: `#[warn(async_fn_in_trait)]` on by default [INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change [INFO] [stdout] | [INFO] [stdout] 6 - async fn wait_value(&self, target_value: T) -> () [INFO] [stdout] 6 + fn wait_value(&self, target_value: T) -> impl std::future::Future + Send [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified [INFO] [stdout] --> src/porcelain/wait.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | async fn wait_for(&self, predicate: F) -> R::Output [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` [INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change [INFO] [stdout] | [INFO] [stdout] 10 - async fn wait_for(&self, predicate: F) -> R::Output [INFO] [stdout] 10 + fn wait_for(&self, predicate: F) -> impl std::future::Future + Send [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/signal.rs:14:18 [INFO] [stdout] | [INFO] [stdout] 14 | fn broadcast(&self) -> crate::broadcast::Ref; [INFO] [stdout] | ^^^^^ --------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 14 | fn broadcast(&self) -> crate::broadcast::Ref<'_>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/signal/map.rs:35:18 [INFO] [stdout] | [INFO] [stdout] 35 | fn broadcast(&self) -> crate::broadcast::Ref { self.source.broadcast() } [INFO] [stdout] | ^^^^^ --------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 35 | fn broadcast(&self) -> crate::broadcast::Ref<'_> { self.source.broadcast() } [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/signal/mutable.rs:62:18 [INFO] [stdout] | [INFO] [stdout] 62 | fn broadcast(&self) -> crate::broadcast::Ref { self.broadcast.reference() } [INFO] [stdout] | ^^^^^ --------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 62 | fn broadcast(&self) -> crate::broadcast::Ref<'_> { self.broadcast.reference() } [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/signal/read.rs:59:18 [INFO] [stdout] | [INFO] [stdout] 59 | fn broadcast(&self) -> crate::broadcast::Ref { self.broadcast.reference() } [INFO] [stdout] | ^^^^^ --------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 59 | fn broadcast(&self) -> crate::broadcast::Ref<'_> { self.broadcast.reference() } [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tokio-test v0.4.4 [INFO] [stdout] warning: unused import: `common::watcher` [INFO] [stdout] --> tests/observer_context.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use common::watcher; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_with` is never used [INFO] [stdout] --> src/value.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 18 | impl ValueCell { [INFO] [stdout] | -------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn set_with(&self, value: T, f: impl Fn(&T) -> R) -> R { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/broadcast.rs:53:22 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn reference(&self) -> Ref { Ref(&self) } [INFO] [stdout] | ^^^^^ --- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 53 | pub fn reference(&self) -> Ref<'_> { Ref(&self) } [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified [INFO] [stdout] --> src/porcelain/wait.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | async fn wait_value(&self, target_value: T) -> () [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` [INFO] [stdout] = note: `#[warn(async_fn_in_trait)]` on by default [INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change [INFO] [stdout] | [INFO] [stdout] 6 - async fn wait_value(&self, target_value: T) -> () [INFO] [stdout] 6 + fn wait_value(&self, target_value: T) -> impl std::future::Future + Send [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified [INFO] [stdout] --> src/porcelain/wait.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | async fn wait_for(&self, predicate: F) -> R::Output [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future` [INFO] [stdout] help: you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change [INFO] [stdout] | [INFO] [stdout] 10 - async fn wait_for(&self, predicate: F) -> R::Output [INFO] [stdout] 10 + fn wait_for(&self, predicate: F) -> impl std::future::Future + Send [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/signal.rs:14:18 [INFO] [stdout] | [INFO] [stdout] 14 | fn broadcast(&self) -> crate::broadcast::Ref; [INFO] [stdout] | ^^^^^ --------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 14 | fn broadcast(&self) -> crate::broadcast::Ref<'_>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/signal/map.rs:35:18 [INFO] [stdout] | [INFO] [stdout] 35 | fn broadcast(&self) -> crate::broadcast::Ref { self.source.broadcast() } [INFO] [stdout] | ^^^^^ --------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 35 | fn broadcast(&self) -> crate::broadcast::Ref<'_> { self.source.broadcast() } [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/signal/mutable.rs:62:18 [INFO] [stdout] | [INFO] [stdout] 62 | fn broadcast(&self) -> crate::broadcast::Ref { self.broadcast.reference() } [INFO] [stdout] | ^^^^^ --------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 62 | fn broadcast(&self) -> crate::broadcast::Ref<'_> { self.broadcast.reference() } [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/signal/read.rs:59:18 [INFO] [stdout] | [INFO] [stdout] 59 | fn broadcast(&self) -> crate::broadcast::Ref { self.broadcast.reference() } [INFO] [stdout] | ^^^^^ --------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 59 | fn broadcast(&self) -> crate::broadcast::Ref<'_> { self.broadcast.reference() } [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `outer_read` [INFO] [stdout] --> tests/observer_context.rs:127:13 [INFO] [stdout] | [INFO] [stdout] 127 | let outer_read = outer_read.clone(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_outer_read` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `inner_read` [INFO] [stdout] --> tests/observer_context.rs:135:13 [INFO] [stdout] | [INFO] [stdout] 135 | let inner_read = inner_read.clone(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inner_read` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `watcher` is never used [INFO] [stdout] --> tests/common.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn watcher() -> (Box, Box Vec + Send + Sync>) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.02s [INFO] running `Command { std: "docker" "inspect" "85a6614effdf640294808812bcf92591dd8ea63b9580efa4505ea65dbae7b647", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85a6614effdf640294808812bcf92591dd8ea63b9580efa4505ea65dbae7b647", kill_on_drop: false }` [INFO] [stdout] 85a6614effdf640294808812bcf92591dd8ea63b9580efa4505ea65dbae7b647