[INFO] updating cached repository caphindsight/vdneg [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/caphindsight/vdneg [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/caphindsight/vdneg" "work/ex/clippy-test-run/sources/stable/gh/caphindsight/vdneg"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/caphindsight/vdneg'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/caphindsight/vdneg" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/caphindsight/vdneg"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/caphindsight/vdneg'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f71e01df48c81d0b5b5e160eca0c6f8b52899418 [INFO] sha for GitHub repo caphindsight/vdneg: f71e01df48c81d0b5b5e160eca0c6f8b52899418 [INFO] validating manifest of caphindsight/vdneg 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 caphindsight/vdneg 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 caphindsight/vdneg [INFO] finished frobbing caphindsight/vdneg [INFO] frobbed toml for caphindsight/vdneg written to work/ex/clippy-test-run/sources/stable/gh/caphindsight/vdneg/Cargo.toml [INFO] started frobbing caphindsight/vdneg [INFO] finished frobbing caphindsight/vdneg [INFO] frobbed toml for caphindsight/vdneg written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/caphindsight/vdneg/Cargo.toml [INFO] crate caphindsight/vdneg 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 caphindsight/vdneg 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/caphindsight/vdneg:/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] a57558cf578d36c5ce279d6d22de79a1f4ca2e433b74684ad620e29a8b2e964f [INFO] running `"docker" "start" "-a" "a57558cf578d36c5ce279d6d22de79a1f4ca2e433b74684ad620e29a8b2e964f"` [INFO] [stderr] Checking vdneg v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `cards::Rank` [INFO] [stderr] --> src/combo.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use cards::Rank; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `cards::Suit` [INFO] [stderr] --> src/combo.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use cards::Suit; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `cards::Rank` [INFO] [stderr] --> src/combo.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use cards::Rank; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `cards::Suit` [INFO] [stderr] --> src/combo.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use cards::Suit; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_string` [INFO] [stderr] --> src/cards.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | fn to_string(self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_unicode_string` [INFO] [stderr] --> src/cards.rs:49:5 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn to_unicode_string(self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_ascii_string` [INFO] [stderr] --> src/cards.rs:58:5 [INFO] [stderr] | [INFO] [stderr] 58 | pub fn to_ascii_string(self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_long_unicode_string` [INFO] [stderr] --> src/cards.rs:144:5 [INFO] [stderr] | [INFO] [stderr] 144 | pub fn to_long_unicode_string(self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_long_ascii_string` [INFO] [stderr] --> src/cards.rs:150:5 [INFO] [stderr] | [INFO] [stderr] 150 | pub fn to_long_ascii_string(self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `deck_unshuffled` [INFO] [stderr] --> src/cards.rs:223:1 [INFO] [stderr] | [INFO] [stderr] 223 | pub fn deck_unshuffled() -> Vec { vec![ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `deck_shuffled` [INFO] [stderr] --> src/cards.rs:281:1 [INFO] [stderr] | [INFO] [stderr] 281 | pub fn deck_shuffled() -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Straight` [INFO] [stderr] --> src/combo.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | Straight, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Flush` [INFO] [stderr] --> src/combo.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | Flush, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `FullHouse` [INFO] [stderr] --> src/combo.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | FullHouse, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `FourOfKind` [INFO] [stderr] --> src/combo.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | FourOfKind, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `StraightFlush` [INFO] [stderr] --> src/combo.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | StraightFlush, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `RoyalFlush` [INFO] [stderr] --> src/combo.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | RoyalFlush, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_long_unicode_string` [INFO] [stderr] --> src/combo.rs:53:5 [INFO] [stderr] | [INFO] [stderr] 53 | pub fn to_long_unicode_string(&self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_long_ascii_string` [INFO] [stderr] --> src/combo.rs:63:5 [INFO] [stderr] | [INFO] [stderr] 63 | pub fn to_long_ascii_string(&self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `filter_by_suit` [INFO] [stderr] --> src/combo.rs:188:5 [INFO] [stderr] | [INFO] [stderr] 188 | fn filter_by_suit(cards: &[Card], suit: Suit) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: using `clone` on a `Copy` type [INFO] [stderr] --> src/combo.rs:153:63 [INFO] [stderr] | [INFO] [stderr] 153 | res.push(RankBasket{rank: c.rank, cards: vec![c.clone()]}); [INFO] [stderr] | ^^^^^^^^^ help: try dereferencing it: `*c` [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: the loop variable `i` is only used to index `baskets`. [INFO] [stderr] --> src/combo.rs:165:26 [INFO] [stderr] | [INFO] [stderr] 165 | for i in 0..k { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_range_loop)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop [INFO] [stderr] help: consider using an iterator [INFO] [stderr] | [INFO] [stderr] 165 | for in baskets.iter_mut().take(k) { [INFO] [stderr] | ^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> src/combo.rs:169:20 [INFO] [stderr] | [INFO] [stderr] 169 | if baskets[i].cards.len() == 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `baskets[i].cards.is_empty()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::len_zero)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> src/combo.rs:178:30 [INFO] [stderr] | [INFO] [stderr] 178 | fn join_baskets(baskets: &Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: change this to: `&[RankBasket]` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::ptr_arg)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [INFO] [stderr] [INFO] [stderr] warning: the loop variable `i` is only used to index `copy`. [INFO] [stderr] --> src/combo.rs:206:18 [INFO] [stderr] | [INFO] [stderr] 206 | for i in 0..n { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop [INFO] [stderr] help: consider using an iterator [INFO] [stderr] | [INFO] [stderr] 206 | for in copy.iter().take(n) { [INFO] [stderr] | ^^^^^^ ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: using `clone` on a `Copy` type [INFO] [stderr] --> src/combo.rs:207:22 [INFO] [stderr] | [INFO] [stderr] 207 | res.push(copy[i].clone()); [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: try removing the `clone` call: `copy[i]` [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: method is never used: `to_string` [INFO] [stderr] --> src/cards.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | fn to_string(self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_unicode_string` [INFO] [stderr] --> src/cards.rs:49:5 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn to_unicode_string(self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_ascii_string` [INFO] [stderr] --> src/cards.rs:58:5 [INFO] [stderr] | [INFO] [stderr] 58 | pub fn to_ascii_string(self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_long_unicode_string` [INFO] [stderr] --> src/cards.rs:144:5 [INFO] [stderr] | [INFO] [stderr] 144 | pub fn to_long_unicode_string(self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_long_ascii_string` [INFO] [stderr] --> src/cards.rs:150:5 [INFO] [stderr] | [INFO] [stderr] 150 | pub fn to_long_ascii_string(self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `deck_unshuffled` [INFO] [stderr] --> src/cards.rs:223:1 [INFO] [stderr] | [INFO] [stderr] 223 | pub fn deck_unshuffled() -> Vec { vec![ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `deck_shuffled` [INFO] [stderr] --> src/cards.rs:281:1 [INFO] [stderr] | [INFO] [stderr] 281 | pub fn deck_shuffled() -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Straight` [INFO] [stderr] --> src/combo.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | Straight, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Flush` [INFO] [stderr] --> src/combo.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | Flush, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `FullHouse` [INFO] [stderr] --> src/combo.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | FullHouse, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `FourOfKind` [INFO] [stderr] --> src/combo.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | FourOfKind, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `StraightFlush` [INFO] [stderr] --> src/combo.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | StraightFlush, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `RoyalFlush` [INFO] [stderr] --> src/combo.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | RoyalFlush, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_long_unicode_string` [INFO] [stderr] --> src/combo.rs:53:5 [INFO] [stderr] | [INFO] [stderr] 53 | pub fn to_long_unicode_string(&self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_long_ascii_string` [INFO] [stderr] --> src/combo.rs:63:5 [INFO] [stderr] | [INFO] [stderr] 63 | pub fn to_long_ascii_string(&self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `filter_by_suit` [INFO] [stderr] --> src/combo.rs:188:5 [INFO] [stderr] | [INFO] [stderr] 188 | fn filter_by_suit(cards: &[Card], suit: Suit) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: using `clone` on a `Copy` type [INFO] [stderr] --> src/combo.rs:153:63 [INFO] [stderr] | [INFO] [stderr] 153 | res.push(RankBasket{rank: c.rank, cards: vec![c.clone()]}); [INFO] [stderr] | ^^^^^^^^^ help: try dereferencing it: `*c` [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: the loop variable `i` is only used to index `baskets`. [INFO] [stderr] --> src/combo.rs:165:26 [INFO] [stderr] | [INFO] [stderr] 165 | for i in 0..k { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_range_loop)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop [INFO] [stderr] help: consider using an iterator [INFO] [stderr] | [INFO] [stderr] 165 | for in baskets.iter_mut().take(k) { [INFO] [stderr] | ^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> src/combo.rs:169:20 [INFO] [stderr] | [INFO] [stderr] 169 | if baskets[i].cards.len() == 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `baskets[i].cards.is_empty()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::len_zero)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> src/combo.rs:178:30 [INFO] [stderr] | [INFO] [stderr] 178 | fn join_baskets(baskets: &Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: change this to: `&[RankBasket]` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::ptr_arg)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [INFO] [stderr] [INFO] [stderr] warning: the loop variable `i` is only used to index `copy`. [INFO] [stderr] --> src/combo.rs:206:18 [INFO] [stderr] | [INFO] [stderr] 206 | for i in 0..n { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop [INFO] [stderr] help: consider using an iterator [INFO] [stderr] | [INFO] [stderr] 206 | for in copy.iter().take(n) { [INFO] [stderr] | ^^^^^^ ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: using `clone` on a `Copy` type [INFO] [stderr] --> src/combo.rs:207:22 [INFO] [stderr] | [INFO] [stderr] 207 | res.push(copy[i].clone()); [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: try removing the `clone` call: `copy[i]` [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] Finished dev [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `"docker" "inspect" "a57558cf578d36c5ce279d6d22de79a1f4ca2e433b74684ad620e29a8b2e964f"` [INFO] running `"docker" "rm" "-f" "a57558cf578d36c5ce279d6d22de79a1f4ca2e433b74684ad620e29a8b2e964f"` [INFO] [stdout] a57558cf578d36c5ce279d6d22de79a1f4ca2e433b74684ad620e29a8b2e964f