[INFO] updating cached repository npfund/cryptopals
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/npfund/cryptopals
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/npfund/cryptopals" "work/ex/clippy-test-run/sources/stable/gh/npfund/cryptopals"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/npfund/cryptopals'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/npfund/cryptopals" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/npfund/cryptopals"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/npfund/cryptopals'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 18941efee40482dfb3cbdb806bb7cb179e2f1e09
[INFO] sha for GitHub repo npfund/cryptopals: 18941efee40482dfb3cbdb806bb7cb179e2f1e09
[INFO] validating manifest of npfund/cryptopals 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 npfund/cryptopals 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 npfund/cryptopals
[INFO] finished frobbing npfund/cryptopals
[INFO] frobbed toml for npfund/cryptopals written to work/ex/clippy-test-run/sources/stable/gh/npfund/cryptopals/Cargo.toml
[INFO] started frobbing npfund/cryptopals
[INFO] finished frobbing npfund/cryptopals
[INFO] frobbed toml for npfund/cryptopals written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/npfund/cryptopals/Cargo.toml
[INFO] crate npfund/cryptopals 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 npfund/cryptopals 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-0/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/npfund/cryptopals:/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] 957ae925782586c7f660f256ee3ff410732b0a2ab9daca76f3a891b206641122
[INFO] running `"docker" "start" "-a" "957ae925782586c7f660f256ee3ff410732b0a2ab9daca76f3a891b206641122"`
[INFO] [stderr]     Checking base64 v0.10.0
[INFO] [stderr]     Checking cryptopals v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::io::Read;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 | /     return input.into_iter()
[INFO] [stderr] 48 | |         .zip(mask.into_iter())
[INFO] [stderr] 49 | |         .map(|(x, y)| x ^ y)
[INFO] [stderr] 50 | |         .collect::<Vec<u8>>();
[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] 47 |     input.into_iter()
[INFO] [stderr] 48 |         .zip(mask.into_iter())
[INFO] [stderr] 49 |         .map(|(x, y)| x ^ y)
[INFO] [stderr] 50 |         .collect::<Vec<u8>>()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | /     return input.into_iter()
[INFO] [stderr] 56 | |         .zip(key.iter().cycle().into_iter())
[INFO] [stderr] 57 | |         .map(|(x, y)| x ^ y)
[INFO] [stderr] 58 | |         .collect::<Vec<u8>>();
[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] 55 |     input.into_iter()
[INFO] [stderr] 56 |         .zip(key.iter().cycle().into_iter())
[INFO] [stderr] 57 |         .map(|(x, y)| x ^ y)
[INFO] [stderr] 58 |         .collect::<Vec<u8>>()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     return strings.first().unwrap().clone();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `strings.first().unwrap().clone()`
[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: unneeded return statement
[INFO] [stderr]   --> src/main.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |             return fixed_xor(input, &mask);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `fixed_xor(input, &mask)`
[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: unneeded return statement
[INFO] [stderr]   --> src/main.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 | /     return if left_score > right_score {
[INFO] [stderr] 82 | |         Ordering::Less
[INFO] [stderr] 83 | |     } else if left_score < right_score {
[INFO] [stderr] 84 | |         Ordering::Greater
[INFO] [stderr] 85 | |     } else {
[INFO] [stderr] 86 | |         Ordering::Equal
[INFO] [stderr] 87 | |     }
[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] 81 |     if left_score > right_score {
[INFO] [stderr] 82 |         Ordering::Less
[INFO] [stderr] 83 |     } else if left_score < right_score {
[INFO] [stderr] 84 |         Ordering::Greater
[INFO] [stderr] 85 |     } else {
[INFO] [stderr] 86 |         Ordering::Equal
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     return score;
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: remove `return` as shown: `score`
[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: unneeded return statement
[INFO] [stderr]    --> src/main.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 | /     return left_bits.iter()
[INFO] [stderr] 121 | |         .zip(right_bits.iter())
[INFO] [stderr] 122 | |         .fold(0, |sum, (l, r)| sum + if l == r { 0 } else { 1 });
[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] 120 |     left_bits.iter()
[INFO] [stderr] 121 |         .zip(right_bits.iter())
[INFO] [stderr] 122 |         .fold(0, |sum, (l, r)| sum + if l == r { 0 } else { 1 })
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hex::decode`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use hex::decode;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hex::encode as hex_encode`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use hex::encode as hex_encode;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `base64::encode as base64_encode`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use base64::encode as base64_encode;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::io::Read;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 | /     return input.into_iter()
[INFO] [stderr] 48 | |         .zip(mask.into_iter())
[INFO] [stderr] 49 | |         .map(|(x, y)| x ^ y)
[INFO] [stderr] 50 | |         .collect::<Vec<u8>>();
[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] 47 |     input.into_iter()
[INFO] [stderr] 48 |         .zip(mask.into_iter())
[INFO] [stderr] 49 |         .map(|(x, y)| x ^ y)
[INFO] [stderr] 50 |         .collect::<Vec<u8>>()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | /     return input.into_iter()
[INFO] [stderr] 56 | |         .zip(key.iter().cycle().into_iter())
[INFO] [stderr] 57 | |         .map(|(x, y)| x ^ y)
[INFO] [stderr] 58 | |         .collect::<Vec<u8>>();
[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] 55 |     input.into_iter()
[INFO] [stderr] 56 |         .zip(key.iter().cycle().into_iter())
[INFO] [stderr] 57 |         .map(|(x, y)| x ^ y)
[INFO] [stderr] 58 |         .collect::<Vec<u8>>()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     return strings.first().unwrap().clone();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `strings.first().unwrap().clone()`
[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: unneeded return statement
[INFO] [stderr]   --> src/main.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |             return fixed_xor(input, &mask);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `fixed_xor(input, &mask)`
[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: unneeded return statement
[INFO] [stderr]   --> src/main.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 | /     return if left_score > right_score {
[INFO] [stderr] 82 | |         Ordering::Less
[INFO] [stderr] 83 | |     } else if left_score < right_score {
[INFO] [stderr] 84 | |         Ordering::Greater
[INFO] [stderr] 85 | |     } else {
[INFO] [stderr] 86 | |         Ordering::Equal
[INFO] [stderr] 87 | |     }
[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] 81 |     if left_score > right_score {
[INFO] [stderr] 82 |         Ordering::Less
[INFO] [stderr] 83 |     } else if left_score < right_score {
[INFO] [stderr] 84 |         Ordering::Greater
[INFO] [stderr] 85 |     } else {
[INFO] [stderr] 86 |         Ordering::Equal
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     return score;
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: remove `return` as shown: `score`
[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: unneeded return statement
[INFO] [stderr]    --> src/main.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 | /     return left_bits.iter()
[INFO] [stderr] 121 | |         .zip(right_bits.iter())
[INFO] [stderr] 122 | |         .fold(0, |sum, (l, r)| sum + if l == r { 0 } else { 1 });
[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] 120 |     left_bits.iter()
[INFO] [stderr] 121 |         .zip(right_bits.iter())
[INFO] [stderr] 122 |         .fold(0, |sum, (l, r)| sum + if l == r { 0 } else { 1 })
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/main.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut key = String::new();
[INFO] [stderr]    |             ^^^ help: consider using `_key` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block`
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let block = bytes.chunks(key_size)
[INFO] [stderr]    |             ^^^^^ help: consider using `_block` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut key = String::new();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/main.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut key = String::new();
[INFO] [stderr]    |             ^^^ help: consider using `_key` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `block`
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let block = bytes.chunks(key_size)
[INFO] [stderr]    |             ^^^^^ help: consider using `_block` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut key = String::new();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fixed_xor`
[INFO] [stderr]   --> src/main.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn fixed_xor(input: &[u8], mask: &[u8]) -> Vec<u8>
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `repeating_xor`
[INFO] [stderr]   --> src/main.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn repeating_xor(input: &Vec<u8>, key: &Vec<u8>) -> Vec<u8>
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `crack_single_byte_xor`
[INFO] [stderr]   --> src/main.rs:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn crack_single_byte_xor(input: &Vec<u8>) -> Vec<u8>
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sort_by_score_desc`
[INFO] [stderr]   --> src/main.rs:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn sort_by_score_desc(left: &Vec<u8>, right: &Vec<u8>) -> Ordering
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `english_score`
[INFO] [stderr]   --> src/main.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn english_score(input: &Vec<u8>) -> i64
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/main.rs:36:21
[INFO] [stderr]    |
[INFO] [stderr] 36 |           let block = bytes.chunks(key_size)
[INFO] [stderr]    |  _____________________^
[INFO] [stderr] 37 | |             .filter_map(|c| c.get(i))
[INFO] [stderr] 38 | |             .map(|b| b.clone())
[INFO] [stderr]    | |_______________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let block = bytes.chunks(key_size)
[INFO] [stderr] 37 |             .filter_map(|c| c.get(i)).cloned()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/main.rs:38:22
[INFO] [stderr]    |
[INFO] [stderr] 38 |             .map(|b| b.clone())
[INFO] [stderr]    |                      ^^^^^^^^^ help: try dereferencing it: `*b`
[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 .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]   --> src/main.rs:47:18
[INFO] [stderr]    |
[INFO] [stderr] 47 |     return input.into_iter()
[INFO] [stderr]    |                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/main.rs:36:21
[INFO] [stderr]    |
[INFO] [stderr] 36 |           let block = bytes.chunks(key_size)
[INFO] [stderr]    |  _____________________^
[INFO] [stderr] 37 | |             .filter_map(|c| c.get(i))
[INFO] [stderr] 38 | |             .map(|b| b.clone())
[INFO] [stderr]    | |_______________________________^
[INFO] [stderr]    |
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]   --> src/main.rs:48:19
[INFO] [stderr]    |
[INFO] [stderr] 48 |         .zip(mask.into_iter())
[INFO] [stderr]    |                   ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr]    = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let block = bytes.chunks(key_size)
[INFO] [stderr] 37 |             .filter_map(|c| c.get(i)).cloned()
[INFO] [stderr]    |
[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/main.rs:53:25
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn repeating_xor(input: &Vec<u8>, key: &Vec<u8>) -> Vec<u8>
[INFO] [stderr]    |                         ^^^^^^^^ help: change this to: `&[u8]`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:53:40
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn repeating_xor(input: &Vec<u8>, key: &Vec<u8>) -> Vec<u8>
[INFO] [stderr]    |                                        ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/main.rs:38:22
[INFO] [stderr]    |
[INFO] [stderr] 38 |             .map(|b| b.clone())
[INFO] [stderr]    |                      ^^^^^^^^^ help: try dereferencing it: `*b`
[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 .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/main.rs:55:18
[INFO] [stderr]    |
[INFO] [stderr] 55 |     return input.into_iter()
[INFO] [stderr]    |                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/main.rs:56:14
[INFO] [stderr]    |
[INFO] [stderr] 56 |         .zip(key.iter().cycle().into_iter())
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `key.iter().cycle()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[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/main.rs:61:33
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn crack_single_byte_xor(input: &Vec<u8>) -> Vec<u8>
[INFO] [stderr]    |                                 ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]   --> src/main.rs:47:18
[INFO] [stderr]    |
[INFO] [stderr] 47 |     return input.into_iter()
[INFO] [stderr]    |                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]   --> src/main.rs:48:19
[INFO] [stderr]    |
[INFO] [stderr] 48 |         .zip(mask.into_iter())
[INFO] [stderr]    |                   ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[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/main.rs:53:25
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn repeating_xor(input: &Vec<u8>, key: &Vec<u8>) -> Vec<u8>
[INFO] [stderr]    |                         ^^^^^^^^ help: change this to: `&[u8]`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:53:40
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn repeating_xor(input: &Vec<u8>, key: &Vec<u8>) -> Vec<u8>
[INFO] [stderr]    |                                        ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/main.rs:66:29
[INFO] [stderr]    |
[INFO] [stderr] 66 |             let mask = vec![character.clone(); input.len()];
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*character`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:76:29
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn sort_by_score_desc(left: &Vec<u8>, right: &Vec<u8>) -> Ordering
[INFO] [stderr]    |                             ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[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/main.rs:76:46
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn sort_by_score_desc(left: &Vec<u8>, right: &Vec<u8>) -> Ordering
[INFO] [stderr]    |                                              ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/main.rs:55:18
[INFO] [stderr]    |
[INFO] [stderr] 55 |     return input.into_iter()
[INFO] [stderr]    |                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/main.rs:56:14
[INFO] [stderr]    |
[INFO] [stderr] 56 |         .zip(key.iter().cycle().into_iter())
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `key.iter().cycle()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[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/main.rs:90:25
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn english_score(input: &Vec<u8>) -> i64
[INFO] [stderr]    |                         ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[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/main.rs:61:33
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn crack_single_byte_xor(input: &Vec<u8>) -> Vec<u8>
[INFO] [stderr]    |                                 ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/main.rs:66:29
[INFO] [stderr]    |
[INFO] [stderr] 66 |             let mask = vec![character.clone(); input.len()];
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*character`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:76:29
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn sort_by_score_desc(left: &Vec<u8>, right: &Vec<u8>) -> Ordering
[INFO] [stderr]    |                             ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[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/main.rs:76:46
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn sort_by_score_desc(left: &Vec<u8>, right: &Vec<u8>) -> Ordering
[INFO] [stderr]    |                                              ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[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/main.rs:90:25
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn english_score(input: &Vec<u8>) -> i64
[INFO] [stderr]    |                         ^^^^^^^^ help: change this to: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "957ae925782586c7f660f256ee3ff410732b0a2ab9daca76f3a891b206641122"`
[INFO] running `"docker" "rm" "-f" "957ae925782586c7f660f256ee3ff410732b0a2ab9daca76f3a891b206641122"`
[INFO] [stdout] 957ae925782586c7f660f256ee3ff410732b0a2ab9daca76f3a891b206641122