[INFO] updating cached repository shvetsovdm/rust_sandbox [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/shvetsovdm/rust_sandbox [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/shvetsovdm/rust_sandbox" "work/ex/clippy-test-run/sources/stable/gh/shvetsovdm/rust_sandbox"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/shvetsovdm/rust_sandbox'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/shvetsovdm/rust_sandbox" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/shvetsovdm/rust_sandbox"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/shvetsovdm/rust_sandbox'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9674e1cd4d16adbb14e9de1363a2f4fe6e7c7394 [INFO] sha for GitHub repo shvetsovdm/rust_sandbox: 9674e1cd4d16adbb14e9de1363a2f4fe6e7c7394 [INFO] validating manifest of shvetsovdm/rust_sandbox 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 shvetsovdm/rust_sandbox 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 shvetsovdm/rust_sandbox [INFO] finished frobbing shvetsovdm/rust_sandbox [INFO] frobbed toml for shvetsovdm/rust_sandbox written to work/ex/clippy-test-run/sources/stable/gh/shvetsovdm/rust_sandbox/Cargo.toml [INFO] started frobbing shvetsovdm/rust_sandbox [INFO] finished frobbing shvetsovdm/rust_sandbox [INFO] frobbed toml for shvetsovdm/rust_sandbox written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/shvetsovdm/rust_sandbox/Cargo.toml [INFO] crate shvetsovdm/rust_sandbox has a lockfile. skipping [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 shvetsovdm/rust_sandbox against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/shvetsovdm/rust_sandbox:/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 -Dclippy::into_iter_on_array" "-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] 67c66ee76000e6cae866c4dfb4afe82749cfeae4b7c0732885d92567f95f17ab [INFO] running `"docker" "start" "-a" "67c66ee76000e6cae866c4dfb4afe82749cfeae4b7c0732885d92567f95f17ab"` [INFO] [stderr] Checking rust_sandbox v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/thread_and_channel_1.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn run() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/non_blocking_io.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn run() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/string_match.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn run() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Str` [INFO] [stderr] --> src/string_match.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | enum Str<'str> { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Stick` [INFO] [stderr] --> src/structs_and_trait.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | struct Stick { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/structs_and_trait.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | fn new() -> Stick { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Character` [INFO] [stderr] --> src/structs_and_trait.rs:27:1 [INFO] [stderr] | [INFO] [stderr] 27 | struct Character<'weapon> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/structs_and_trait.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn run() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: using `clone` on a `Copy` type [INFO] [stderr] --> src/thread_and_channel_1.rs:14:21 [INFO] [stderr] | [INFO] [stderr] 14 | tx.send(count.clone()).expect("Failed to send message"); [INFO] [stderr] | ^^^^^^^^^^^^^ help: try removing the `clone` call: `count` [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/thread_and_channel_1.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn run() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::clone_on_copy)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy [INFO] [stderr] [INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let` [INFO] [stderr] --> src/non_blocking_io.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | / match rx.try_recv() { [INFO] [stderr] 30 | | Ok(msg) => println!("[LOOP:{}] Input: {}", rx_loop_count, msg), [INFO] [stderr] 31 | | Err(_) => {} [INFO] [stderr] 32 | | } [INFO] [stderr] | |_________^ help: try this: `if let Ok(msg) = rx.try_recv() { println!("[LOOP:{}] Input: {}", rx_loop_count, msg) }` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/non_blocking_io.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn run() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/string_match.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn run() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Str` [INFO] [stderr] --> src/string_match.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | enum Str<'str> { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Stick` [INFO] [stderr] --> src/structs_and_trait.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | struct Stick { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/structs_and_trait.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | fn new() -> Stick { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Character` [INFO] [stderr] --> src/structs_and_trait.rs:27:1 [INFO] [stderr] | [INFO] [stderr] 27 | struct Character<'weapon> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/structs_and_trait.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn run() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: using `clone` on a `Copy` type [INFO] [stderr] --> src/thread_and_channel_1.rs:14:21 [INFO] [stderr] | [INFO] [stderr] 14 | tx.send(count.clone()).expect("Failed to send message"); [INFO] [stderr] | ^^^^^^^^^^^^^ help: try removing the `clone` call: `count` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::single_match)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match [INFO] [stderr] [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::clone_on_copy)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy [INFO] [stderr] [INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let` [INFO] [stderr] --> src/non_blocking_io.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | / match rx.try_recv() { [INFO] [stderr] 30 | | Ok(msg) => println!("[LOOP:{}] Input: {}", rx_loop_count, msg), [INFO] [stderr] 31 | | Err(_) => {} [INFO] [stderr] 32 | | } [INFO] [stderr] | |_________^ help: try this: `if let Ok(msg) = rx.try_recv() { println!("[LOOP:{}] Input: {}", rx_loop_count, msg) }` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::single_match)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `"docker" "inspect" "67c66ee76000e6cae866c4dfb4afe82749cfeae4b7c0732885d92567f95f17ab"` [INFO] running `"docker" "rm" "-f" "67c66ee76000e6cae866c4dfb4afe82749cfeae4b7c0732885d92567f95f17ab"` [INFO] [stdout] 67c66ee76000e6cae866c4dfb4afe82749cfeae4b7c0732885d92567f95f17ab