[INFO] updating cached repository chridou/redis-exploration [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/chridou/redis-exploration [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/chridou/redis-exploration" "work/ex/clippy-test-run/sources/stable/gh/chridou/redis-exploration"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/chridou/redis-exploration'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/chridou/redis-exploration" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/chridou/redis-exploration"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/chridou/redis-exploration'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5dea5f50c74deab40b7a26ddeefa11f8d7d70258 [INFO] sha for GitHub repo chridou/redis-exploration: 5dea5f50c74deab40b7a26ddeefa11f8d7d70258 [INFO] validating manifest of chridou/redis-exploration 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 chridou/redis-exploration 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 chridou/redis-exploration [INFO] finished frobbing chridou/redis-exploration [INFO] frobbed toml for chridou/redis-exploration written to work/ex/clippy-test-run/sources/stable/gh/chridou/redis-exploration/Cargo.toml [INFO] started frobbing chridou/redis-exploration [INFO] finished frobbing chridou/redis-exploration [INFO] frobbed toml for chridou/redis-exploration written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/chridou/redis-exploration/Cargo.toml [INFO] crate chridou/redis-exploration 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 chridou/redis-exploration 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-4/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/chridou/redis-exploration:/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] 168c4f4c8e2cc5c500a42037038a164565c3229d012f4e946c4111d9d4e7f0f3 [INFO] running `"docker" "start" "-a" "168c4f4c8e2cc5c500a42037038a164565c3229d012f4e946c4111d9d4e7f0f3"` [INFO] [stderr] Checking uuid v0.3.1 [INFO] [stderr] Checking redis v0.5.4 [INFO] [stderr] Checking redis-exploration v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: Constants have by default a `'static` lifetime [INFO] [stderr] --> src/main.rs:16:49 [INFO] [stderr] | [INFO] [stderr] 16 | const SET_EMPTY_IF_NOT_EXISTS_AND_ADD_TTL_LUA: &'static str = r#" [INFO] [stderr] | -^^^^^^^---- help: consider removing `'static`: `&str` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::const_static_lifetime)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime [INFO] [stderr] [INFO] [stderr] warning: unneeded unit return type [INFO] [stderr] --> src/main.rs:457:21 [INFO] [stderr] | [INFO] [stderr] 457 | fn measure(f: F) -> () [INFO] [stderr] | ^^^^^ help: remove the `-> ()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unused_unit)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit [INFO] [stderr] [INFO] [stderr] warning: Constants have by default a `'static` lifetime [INFO] [stderr] --> src/main.rs:16:49 [INFO] [stderr] | [INFO] [stderr] 16 | const SET_EMPTY_IF_NOT_EXISTS_AND_ADD_TTL_LUA: &'static str = r#" [INFO] [stderr] | -^^^^^^^---- help: consider removing `'static`: `&str` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::const_static_lifetime)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime [INFO] [stderr] [INFO] [stderr] warning: unneeded unit return type [INFO] [stderr] --> src/main.rs:457:21 [INFO] [stderr] | [INFO] [stderr] 457 | fn measure(f: F) -> () [INFO] [stderr] | ^^^^^ help: remove the `-> ()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unused_unit)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit [INFO] [stderr] [INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let _: () = conn.set(k.as_slice(), v.as_slice()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::let_unit_value)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | let _: () = conn.set("key", v.as_slice()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: using `clone` on a `Copy` type [INFO] [stderr] --> src/main.rs:56:51 [INFO] [stderr] | [INFO] [stderr] 56 | let mut keys: Vec<_> = (0..10000).map(|_| Uuid::new_v4().as_bytes().clone()).collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*Uuid::new_v4().as_bytes()` [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: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:58:13 [INFO] [stderr] | [INFO] [stderr] 58 | let _: () = conn.set(key, key).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/main.rs:69:26 [INFO] [stderr] | [INFO] [stderr] 69 | .map(|k| k.iter().cloned().collect::>()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::iter_cloned_collect)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: using `clone` on a `Copy` type [INFO] [stderr] --> src/main.rs:102:55 [INFO] [stderr] | [INFO] [stderr] 102 | let existing_keys: Vec<_> = (0..5000).map(|_| Uuid::new_v4().as_bytes().clone()).collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*Uuid::new_v4().as_bytes()` [INFO] [stderr] | [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: using `clone` on a `Copy` type [INFO] [stderr] --> src/main.rs:104:31 [INFO] [stderr] | [INFO] [stderr] 104 | (0..5000).map(|_| Uuid::new_v4().as_bytes().clone()).collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*Uuid::new_v4().as_bytes()` [INFO] [stderr] | [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: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:106:13 [INFO] [stderr] | [INFO] [stderr] 106 | let _: () = conn.set(key, key).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/main.rs:111:29 [INFO] [stderr] | [INFO] [stderr] 111 | let k: Vec<_> = k.iter().cloned().collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/main.rs:115:29 [INFO] [stderr] | [INFO] [stderr] 115 | let k: Vec<_> = k.iter().cloned().collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/main.rs:128:26 [INFO] [stderr] | [INFO] [stderr] 128 | .map(|k| k.bytes().iter().cloned().collect::>()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: using `clone` on a `Copy` type [INFO] [stderr] --> src/main.rs:166:55 [INFO] [stderr] | [INFO] [stderr] 166 | let existing_keys: Vec<_> = (0..5000).map(|_| Uuid::new_v4().as_bytes().clone()).collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*Uuid::new_v4().as_bytes()` [INFO] [stderr] | [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: using `clone` on a `Copy` type [INFO] [stderr] --> src/main.rs:168:31 [INFO] [stderr] | [INFO] [stderr] 168 | (0..5000).map(|_| Uuid::new_v4().as_bytes().clone()).collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*Uuid::new_v4().as_bytes()` [INFO] [stderr] | [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: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:170:13 [INFO] [stderr] | [INFO] [stderr] 170 | let _: () = conn.set(key, key).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/main.rs:175:29 [INFO] [stderr] | [INFO] [stderr] 175 | let k: Vec<_> = k.iter().cloned().collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/main.rs:179:29 [INFO] [stderr] | [INFO] [stderr] 179 | let k: Vec<_> = k.iter().cloned().collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/main.rs:192:26 [INFO] [stderr] | [INFO] [stderr] 192 | .map(|k| k.bytes().iter().cloned().collect::>()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:213:9 [INFO] [stderr] | [INFO] [stderr] 213 | let _: () = conn.set(k.as_slice(), v1.as_slice()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:216:9 [INFO] [stderr] | [INFO] [stderr] 216 | let _: () = conn.set(k.as_slice(), v2.as_slice()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:227:9 [INFO] [stderr] | [INFO] [stderr] 227 | let _: () = conn.set(k.as_slice(), v1.as_slice()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:230:9 [INFO] [stderr] | [INFO] [stderr] 230 | let _: () = conn.set_nx(k.as_slice(), v2.as_slice()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:241:9 [INFO] [stderr] | [INFO] [stderr] 241 | let _: () = conn.set(k.as_slice(), v1.as_slice()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:265:9 [INFO] [stderr] | [INFO] [stderr] 265 | let _: () = conn.set(k.as_slice(), v1.as_slice()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:284:9 [INFO] [stderr] | [INFO] [stderr] 284 | let _: () = conn.del(k.as_slice()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/main.rs:303:22 [INFO] [stderr] | [INFO] [stderr] 303 | .map(|_| Uuid::new_v4().as_bytes().iter().cloned().collect::>()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/main.rs:334:22 [INFO] [stderr] | [INFO] [stderr] 334 | .map(|_| Uuid::new_v4().as_bytes().iter().cloned().collect::>()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/main.rs:377:22 [INFO] [stderr] | [INFO] [stderr] 377 | .map(|_| Uuid::new_v4().as_bytes().iter().cloned().collect::>()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/main.rs:414:22 [INFO] [stderr] | [INFO] [stderr] 414 | .map(|_| Uuid::new_v4().as_bytes().iter().cloned().collect::>()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:481:17 [INFO] [stderr] | [INFO] [stderr] 481 | let nanos = d.subsec_nanos() as f64; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(d.subsec_nanos())` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cast_lossless)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let _: () = conn.set(k.as_slice(), v.as_slice()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::let_unit_value)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | let _: () = conn.set("key", v.as_slice()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: using `clone` on a `Copy` type [INFO] [stderr] --> src/main.rs:56:51 [INFO] [stderr] | [INFO] [stderr] 56 | let mut keys: Vec<_> = (0..10000).map(|_| Uuid::new_v4().as_bytes().clone()).collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*Uuid::new_v4().as_bytes()` [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: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:58:13 [INFO] [stderr] | [INFO] [stderr] 58 | let _: () = conn.set(key, key).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/main.rs:69:26 [INFO] [stderr] | [INFO] [stderr] 69 | .map(|k| k.iter().cloned().collect::>()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::iter_cloned_collect)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: using `clone` on a `Copy` type [INFO] [stderr] --> src/main.rs:102:55 [INFO] [stderr] | [INFO] [stderr] 102 | let existing_keys: Vec<_> = (0..5000).map(|_| Uuid::new_v4().as_bytes().clone()).collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*Uuid::new_v4().as_bytes()` [INFO] [stderr] | [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: using `clone` on a `Copy` type [INFO] [stderr] --> src/main.rs:104:31 [INFO] [stderr] | [INFO] [stderr] 104 | (0..5000).map(|_| Uuid::new_v4().as_bytes().clone()).collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*Uuid::new_v4().as_bytes()` [INFO] [stderr] | [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: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:106:13 [INFO] [stderr] | [INFO] [stderr] 106 | let _: () = conn.set(key, key).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/main.rs:111:29 [INFO] [stderr] | [INFO] [stderr] 111 | let k: Vec<_> = k.iter().cloned().collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/main.rs:115:29 [INFO] [stderr] | [INFO] [stderr] 115 | let k: Vec<_> = k.iter().cloned().collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/main.rs:128:26 [INFO] [stderr] | [INFO] [stderr] 128 | .map(|k| k.bytes().iter().cloned().collect::>()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: using `clone` on a `Copy` type [INFO] [stderr] --> src/main.rs:166:55 [INFO] [stderr] | [INFO] [stderr] 166 | let existing_keys: Vec<_> = (0..5000).map(|_| Uuid::new_v4().as_bytes().clone()).collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*Uuid::new_v4().as_bytes()` [INFO] [stderr] | [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: using `clone` on a `Copy` type [INFO] [stderr] --> src/main.rs:168:31 [INFO] [stderr] | [INFO] [stderr] 168 | (0..5000).map(|_| Uuid::new_v4().as_bytes().clone()).collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*Uuid::new_v4().as_bytes()` [INFO] [stderr] | [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: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:170:13 [INFO] [stderr] | [INFO] [stderr] 170 | let _: () = conn.set(key, key).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/main.rs:175:29 [INFO] [stderr] | [INFO] [stderr] 175 | let k: Vec<_> = k.iter().cloned().collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/main.rs:179:29 [INFO] [stderr] | [INFO] [stderr] 179 | let k: Vec<_> = k.iter().cloned().collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/main.rs:192:26 [INFO] [stderr] | [INFO] [stderr] 192 | .map(|k| k.bytes().iter().cloned().collect::>()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:213:9 [INFO] [stderr] | [INFO] [stderr] 213 | let _: () = conn.set(k.as_slice(), v1.as_slice()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:216:9 [INFO] [stderr] | [INFO] [stderr] 216 | let _: () = conn.set(k.as_slice(), v2.as_slice()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:227:9 [INFO] [stderr] | [INFO] [stderr] 227 | let _: () = conn.set(k.as_slice(), v1.as_slice()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:230:9 [INFO] [stderr] | [INFO] [stderr] 230 | let _: () = conn.set_nx(k.as_slice(), v2.as_slice()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:241:9 [INFO] [stderr] | [INFO] [stderr] 241 | let _: () = conn.set(k.as_slice(), v1.as_slice()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:265:9 [INFO] [stderr] | [INFO] [stderr] 265 | let _: () = conn.set(k.as_slice(), v1.as_slice()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =` [INFO] [stderr] --> src/main.rs:284:9 [INFO] [stderr] | [INFO] [stderr] 284 | let _: () = conn.del(k.as_slice()).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/main.rs:303:22 [INFO] [stderr] | [INFO] [stderr] 303 | .map(|_| Uuid::new_v4().as_bytes().iter().cloned().collect::>()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/main.rs:334:22 [INFO] [stderr] | [INFO] [stderr] 334 | .map(|_| Uuid::new_v4().as_bytes().iter().cloned().collect::>()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/main.rs:377:22 [INFO] [stderr] | [INFO] [stderr] 377 | .map(|_| Uuid::new_v4().as_bytes().iter().cloned().collect::>()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable [INFO] [stderr] --> src/main.rs:414:22 [INFO] [stderr] | [INFO] [stderr] 414 | .map(|_| Uuid::new_v4().as_bytes().iter().cloned().collect::>()) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect [INFO] [stderr] [INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:481:17 [INFO] [stderr] | [INFO] [stderr] 481 | let nanos = d.subsec_nanos() as f64; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(d.subsec_nanos())` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cast_lossless)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.64s [INFO] running `"docker" "inspect" "168c4f4c8e2cc5c500a42037038a164565c3229d012f4e946c4111d9d4e7f0f3"` [INFO] running `"docker" "rm" "-f" "168c4f4c8e2cc5c500a42037038a164565c3229d012f4e946c4111d9d4e7f0f3"` [INFO] [stdout] 168c4f4c8e2cc5c500a42037038a164565c3229d012f4e946c4111d9d4e7f0f3