[INFO] crate wheel_timer 0.3.1 is already in cache [INFO] extracting crate wheel_timer 0.3.1 into work/ex/clippy-test-run/sources/stable/reg/wheel_timer/0.3.1 [INFO] extracting crate wheel_timer 0.3.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/wheel_timer/0.3.1 [INFO] validating manifest of wheel_timer-0.3.1 on toolchain stable [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of wheel_timer-0.3.1 on toolchain stable+rustflags=-Dclippy::into_iter_on_array [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing wheel_timer-0.3.1 [INFO] finished frobbing wheel_timer-0.3.1 [INFO] frobbed toml for wheel_timer-0.3.1 written to work/ex/clippy-test-run/sources/stable/reg/wheel_timer/0.3.1/Cargo.toml [INFO] started frobbing wheel_timer-0.3.1 [INFO] finished frobbing wheel_timer-0.3.1 [INFO] frobbed toml for wheel_timer-0.3.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/wheel_timer/0.3.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] linting wheel_timer-0.3.1 against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/wheel_timer/0.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"` [INFO] [stdout] b813e1a3c354c58366ef626ecfbf79eaa37a442ffc1646058f161817be793332 [INFO] running `"docker" "start" "-a" "b813e1a3c354c58366ef626ecfbf79eaa37a442ffc1646058f161817be793332"` [INFO] [stderr] warning: path `/opt/crater/workdir/src/wheel_timer.rs` was erroneously implicitly accepted for library `wheel_timer`, [INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml [INFO] [stderr] Checking wheel_timer v0.3.1 (/opt/crater/workdir) [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/wheel_timer.rs:62:7 [INFO] [stderr] | [INFO] [stderr] 62 | max_interval: max_interval, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `max_interval` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_field_names)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/wheel_timer.rs:64:7 [INFO] [stderr] | [INFO] [stderr] 64 | ring: ring, [INFO] [stderr] | ^^^^^^^^^^ help: replace it with: `ring` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/wheel_timer.rs:62:7 [INFO] [stderr] | [INFO] [stderr] 62 | max_interval: max_interval, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `max_interval` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_field_names)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/wheel_timer.rs:64:7 [INFO] [stderr] | [INFO] [stderr] 64 | ring: ring, [INFO] [stderr] | ^^^^^^^^^^ help: replace it with: `ring` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/wheel_timer.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | / return if size > 0 { [INFO] [stderr] 36 | | Some(self.tick()) [INFO] [stderr] 37 | | } else { [INFO] [stderr] 38 | | None [INFO] [stderr] 39 | | }; [INFO] [stderr] | |______^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_return)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] help: remove `return` as shown [INFO] [stderr] | [INFO] [stderr] 35 | if size > 0 { [INFO] [stderr] 36 | Some(self.tick()) [INFO] [stderr] 37 | } else { [INFO] [stderr] 38 | None [INFO] [stderr] 39 | } [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/wheel_timer.rs:61:5 [INFO] [stderr] | [INFO] [stderr] 61 | / return WheelTimer{ [INFO] [stderr] 62 | | max_interval: max_interval, [INFO] [stderr] 63 | | current_tick: 0, [INFO] [stderr] 64 | | ring: ring, [INFO] [stderr] 65 | | size: 0, [INFO] [stderr] 66 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] help: remove `return` as shown [INFO] [stderr] | [INFO] [stderr] 61 | WheelTimer{ [INFO] [stderr] 62 | max_interval: max_interval, [INFO] [stderr] 63 | current_tick: 0, [INFO] [stderr] 64 | ring: ring, [INFO] [stderr] 65 | size: 0, [INFO] [stderr] 66 | } [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/wheel_timer.rs:133:5 [INFO] [stderr] | [INFO] [stderr] 133 | return node [INFO] [stderr] | ^^^^^^^^^^^ help: remove `return` as shown: `node` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/wheel_timer.rs:104:5 [INFO] [stderr] | [INFO] [stderr] 104 | self.size = self.size + 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.size += 1` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::assign_op_pattern)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/wheel_timer.rs:130:5 [INFO] [stderr] | [INFO] [stderr] 130 | self.size = self.size - node.len(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.size -= node.len()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/wheel_timer.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | / return if size > 0 { [INFO] [stderr] 36 | | Some(self.tick()) [INFO] [stderr] 37 | | } else { [INFO] [stderr] 38 | | None [INFO] [stderr] 39 | | }; [INFO] [stderr] | |______^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_return)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] help: remove `return` as shown [INFO] [stderr] | [INFO] [stderr] 35 | if size > 0 { [INFO] [stderr] 36 | Some(self.tick()) [INFO] [stderr] 37 | } else { [INFO] [stderr] 38 | None [INFO] [stderr] 39 | } [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/wheel_timer.rs:61:5 [INFO] [stderr] | [INFO] [stderr] 61 | / return WheelTimer{ [INFO] [stderr] 62 | | max_interval: max_interval, [INFO] [stderr] 63 | | current_tick: 0, [INFO] [stderr] 64 | | ring: ring, [INFO] [stderr] 65 | | size: 0, [INFO] [stderr] 66 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] help: remove `return` as shown [INFO] [stderr] | [INFO] [stderr] 61 | WheelTimer{ [INFO] [stderr] 62 | max_interval: max_interval, [INFO] [stderr] 63 | current_tick: 0, [INFO] [stderr] 64 | ring: ring, [INFO] [stderr] 65 | size: 0, [INFO] [stderr] 66 | } [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/wheel_timer.rs:133:5 [INFO] [stderr] | [INFO] [stderr] 133 | return node [INFO] [stderr] | ^^^^^^^^^^^ help: remove `return` as shown: `node` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/wheel_timer.rs:104:5 [INFO] [stderr] | [INFO] [stderr] 104 | self.size = self.size + 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.size += 1` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::assign_op_pattern)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/wheel_timer.rs:130:5 [INFO] [stderr] | [INFO] [stderr] 130 | self.size = self.size - node.len(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.size -= node.len()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> benches/bench_wheel_timer.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(test)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `wheel_timer`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "b813e1a3c354c58366ef626ecfbf79eaa37a442ffc1646058f161817be793332"` [INFO] running `"docker" "rm" "-f" "b813e1a3c354c58366ef626ecfbf79eaa37a442ffc1646058f161817be793332"` [INFO] [stdout] b813e1a3c354c58366ef626ecfbf79eaa37a442ffc1646058f161817be793332