[INFO] updating cached repository Istar-Eldritch/biot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Istar-Eldritch/biot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Istar-Eldritch/biot" "work/ex/clippy-test-run/sources/stable/gh/Istar-Eldritch/biot"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Istar-Eldritch/biot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Istar-Eldritch/biot" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Istar-Eldritch/biot"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Istar-Eldritch/biot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0639deea738c53e679bd45baa1bb5e6eb2d8f5ae
[INFO] sha for GitHub repo Istar-Eldritch/biot: 0639deea738c53e679bd45baa1bb5e6eb2d8f5ae
[INFO] validating manifest of Istar-Eldritch/biot 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 Istar-Eldritch/biot 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 Istar-Eldritch/biot
[INFO] finished frobbing Istar-Eldritch/biot
[INFO] frobbed toml for Istar-Eldritch/biot written to work/ex/clippy-test-run/sources/stable/gh/Istar-Eldritch/biot/Cargo.toml
[INFO] started frobbing Istar-Eldritch/biot
[INFO] finished frobbing Istar-Eldritch/biot
[INFO] frobbed toml for Istar-Eldritch/biot written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Istar-Eldritch/biot/Cargo.toml
[INFO] crate Istar-Eldritch/biot 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 Istar-Eldritch/biot 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/Istar-Eldritch/biot:/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] b20a906e10b7dccc35b432698c5f06f48dc13541dfce6697293d3fad3036aa04
[INFO] running `"docker" "start" "-a" "b20a906e10b7dccc35b432698c5f06f48dc13541dfce6697293d3fad3036aa04"`
[INFO] [stderr] warning: dependency (clap) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Checking clap v2.24.1
[INFO] [stderr]     Checking biot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/biot/pattern_count.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   return count;
[INFO] [stderr]    |   ^^^^^^^^^^^^^ help: remove `return` as shown: `count`
[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] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/biot/frequent_words.rs:26:3
[INFO] [stderr]    |
[INFO] [stderr] 26 |   return frequents;
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `frequents`
[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/biot/pattern_count.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   return count;
[INFO] [stderr]    |   ^^^^^^^^^^^^^ help: remove `return` as shown: `count`
[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] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/biot/frequent_words.rs:26:3
[INFO] [stderr]    |
[INFO] [stderr] 26 |   return frequents;
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `frequents`
[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: function is never used: `find_consensus`
[INFO] [stderr]   --> src/biot/motifs.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn find_consensus(dna: Vec<String>, k: i32) -> Vec<usize> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]  --> src/biot/pattern_count.rs:7:37
[INFO] [stderr]   |
[INFO] [stderr] 7 |   if text.len() >= pattern.len() && pattern.len() > 0 {
[INFO] [stderr]   |                                     ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!pattern.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: an inclusive range would be more readable
[INFO] [stderr]  --> src/biot/pattern_count.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 |     for i in 0..(text.len() - pattern.len() + 1) {
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `0..=text.len() - pattern.len()`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/biot/pattern_count.rs:21:37
[INFO] [stderr]    |
[INFO] [stderr] 21 |   if text.len() >= pattern.len() && pattern.len() > 0 {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!pattern.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/biot/pattern_count.rs:22:14
[INFO] [stderr]    |
[INFO] [stderr] 22 |     for i in 0..(text.len() - pattern.len() + 1) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `0..=text.len() - pattern.len()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/biot/pattern_count.rs:34:6
[INFO] [stderr]    |
[INFO] [stderr] 34 |   if pattern.len() > 0 && text.len() >= pattern.len() {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!pattern.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/biot/pattern_count.rs:35:14
[INFO] [stderr]    |
[INFO] [stderr] 35 |     for i in 0..(text.len() - pattern.len() + 1) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `0..=text.len() - pattern.len()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_consensus`
[INFO] [stderr]   --> src/biot/motifs.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn find_consensus(dna: Vec<String>, k: i32) -> Vec<usize> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]  --> src/biot/pattern_count.rs:7:37
[INFO] [stderr]   |
[INFO] [stderr] 7 |   if text.len() >= pattern.len() && pattern.len() > 0 {
[INFO] [stderr]   |                                     ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!pattern.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: an inclusive range would be more readable
[INFO] [stderr]  --> src/biot/pattern_count.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 |     for i in 0..(text.len() - pattern.len() + 1) {
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `0..=text.len() - pattern.len()`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/biot/pattern_count.rs:21:37
[INFO] [stderr]    |
[INFO] [stderr] 21 |   if text.len() >= pattern.len() && pattern.len() > 0 {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!pattern.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `freq_array`
[INFO] [stderr]   --> src/biot/frequent_words.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |   for i in 0..freq_array.len() {
[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] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/biot/pattern_count.rs:22:14
[INFO] [stderr]    |
[INFO] [stderr] 22 |     for i in 0..(text.len() - pattern.len() + 1) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `0..=text.len() - pattern.len()`
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 49 |   for (i, <item>) in freq_array.iter().enumerate() {
[INFO] [stderr]    |       ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `freqs`
[INFO] [stderr]   --> src/biot/frequent_words.rs:62:14
[INFO] [stderr]    |
[INFO] [stderr] 62 |     for i in 0..(4usize.pow(k as u32) - 1) {
[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] 62 |     for (i, <item>) in freqs.iter().enumerate().take((4usize.pow(k as u32) - 1)) {
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/biot/pattern_count.rs:34:6
[INFO] [stderr]    |
[INFO] [stderr] 34 |   if pattern.len() > 0 && text.len() >= pattern.len() {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!pattern.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/biot/pattern_count.rs:35:14
[INFO] [stderr]    |
[INFO] [stderr] 35 |     for i in 0..(text.len() - pattern.len() + 1) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `0..=text.len() - pattern.len()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/biot/frequent_words.rs:78:14
[INFO] [stderr]    |
[INFO] [stderr] 78 |     for i in 0..text.len() - k + 1 {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^ help: use: `0..=text.len() - k`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `skew_result`
[INFO] [stderr]  --> src/biot/skew.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |   for i in 0..skew_result.len() {
[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] 6 |   for (i, <item>) in skew_result.iter().enumerate() {
[INFO] [stderr]   |       ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `skew_result`
[INFO] [stderr]   --> src/biot/skew.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |   for i in 0..skew_result.len() {
[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] 18 |   for (i, <item>) in skew_result.iter().enumerate() {
[INFO] [stderr]    |       ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/biot/skew.rs:32:16
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let prev = result.last().unwrap().clone();
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*result.last().unwrap()`
[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 `.fold` can be written more succinctly using another method
[INFO] [stderr]   --> src/biot/motifs.rs:10:26
[INFO] [stderr]    |
[INFO] [stderr] 10 |             if dna.iter().fold(true, |acc, line| acc && approx_pattern_count(&line, &k_neighbor, d) >= 1) && !patterns.contains(&k_neighbor) {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.all(|line| approx_pattern_count(&line, &k_neighbor, d) >= 1)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/biot/motifs.rs:22:18
[INFO] [stderr]    |
[INFO] [stderr] 22 |         for i in 0..(line.len() - k as usize + 1) {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `0..=line.len() - k as usize`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `freq_array`
[INFO] [stderr]   --> src/biot/frequent_words.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |   for i in 0..freq_array.len() {
[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] 49 |   for (i, <item>) in freq_array.iter().enumerate() {
[INFO] [stderr]    |       ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/biot/motifs.rs:38:32
[INFO] [stderr]    |
[INFO] [stderr] 38 |             let token = &k_mer[i..i+1];
[INFO] [stderr]    |                                ^^^^^^ help: use: `i..=i`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `n` is used to index `consensus_matrix`
[INFO] [stderr]   --> src/biot/motifs.rs:56:18
[INFO] [stderr]    |
[INFO] [stderr] 56 |         for n in 0..4 {
[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] 56 |         for (n, <item>) in consensus_matrix.iter().enumerate().take(4) {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `freqs`
[INFO] [stderr]   --> src/biot/frequent_words.rs:62:14
[INFO] [stderr]    |
[INFO] [stderr] 62 |     for i in 0..(4usize.pow(k as u32) - 1) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]  --> src/biot/utils.rs:5:6
[INFO] [stderr]   |
[INFO] [stderr] 5 |   if str1.len() > 0 {
[INFO] [stderr]   |      ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!str1.is_empty()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[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] 62 |     for (i, <item>) in freqs.iter().enumerate().take((4usize.pow(k as u32) - 1)) {
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/biot/utils.rs:23:23
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let symbol = &str[i..i+1];
[INFO] [stderr]    |                       ^^^^^^ help: use: `i..=i`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/biot/frequent_words.rs:78:14
[INFO] [stderr]    |
[INFO] [stderr] 78 |     for i in 0..text.len() - k + 1 {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^ help: use: `0..=text.len() - k`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/biot/utils.rs:41:53
[INFO] [stderr]    |
[INFO] [stderr] 41 |     return vec!["A", "C", "G", "T"].into_iter().map(|x| String::from(x)).collect()
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `String::from`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `suffix_neighbors`.
[INFO] [stderr]   --> src/biot/utils.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |   for i in 0..suffix_neighbors.len() {
[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] 46 |   for <item> in &suffix_neighbors {
[INFO] [stderr]    |       ^^^^^^    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/biot/utils.rs:48:16
[INFO] [stderr]    |
[INFO] [stderr] 48 |       for n in vec!["A", "C", "G", "T"] {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["A", "C", "G", "T"]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_vec)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]    --> src/biot/frequent_words.rs:170:41
[INFO] [stderr]     |
[INFO] [stderr] 170 |     assert!(number_to_pattern(11, 3) == String::from("AGT"));
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^ help: try: `"AGT"`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cmp_owned)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `skew_result`
[INFO] [stderr]  --> src/biot/skew.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |   for i in 0..skew_result.len() {
[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] 6 |   for (i, <item>) in skew_result.iter().enumerate() {
[INFO] [stderr]   |       ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `skew_result`
[INFO] [stderr]   --> src/biot/skew.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |   for i in 0..skew_result.len() {
[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] 18 |   for (i, <item>) in skew_result.iter().enumerate() {
[INFO] [stderr]    |       ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/biot/skew.rs:32:16
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let prev = result.last().unwrap().clone();
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*result.last().unwrap()`
[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 `.fold` can be written more succinctly using another method
[INFO] [stderr]   --> src/biot/motifs.rs:10:26
[INFO] [stderr]    |
[INFO] [stderr] 10 |             if dna.iter().fold(true, |acc, line| acc && approx_pattern_count(&line, &k_neighbor, d) >= 1) && !patterns.contains(&k_neighbor) {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.all(|line| approx_pattern_count(&line, &k_neighbor, d) >= 1)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/biot/motifs.rs:22:18
[INFO] [stderr]    |
[INFO] [stderr] 22 |         for i in 0..(line.len() - k as usize + 1) {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `0..=line.len() - k as usize`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/biot/motifs.rs:38:32
[INFO] [stderr]    |
[INFO] [stderr] 38 |             let token = &k_mer[i..i+1];
[INFO] [stderr]    |                                ^^^^^^ help: use: `i..=i`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `n` is used to index `consensus_matrix`
[INFO] [stderr]   --> src/biot/motifs.rs:56:18
[INFO] [stderr]    |
[INFO] [stderr] 56 |         for n in 0..4 {
[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] 56 |         for (n, <item>) in consensus_matrix.iter().enumerate().take(4) {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]    --> src/biot/motifs.rs:113:30
[INFO] [stderr]     |
[INFO] [stderr] 113 |         assert!(output.iter().fold(true, |acc, &val| acc && result.contains(&String::from(val))));
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.all(|val| result.contains(&String::from(val)))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]  --> src/biot/utils.rs:5:6
[INFO] [stderr]   |
[INFO] [stderr] 5 |   if str1.len() > 0 {
[INFO] [stderr]   |      ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!str1.is_empty()`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/biot/utils.rs:23:23
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let symbol = &str[i..i+1];
[INFO] [stderr]    |                       ^^^^^^ help: use: `i..=i`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/biot/utils.rs:41:53
[INFO] [stderr]    |
[INFO] [stderr] 41 |     return vec!["A", "C", "G", "T"].into_iter().map(|x| String::from(x)).collect()
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `String::from`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `suffix_neighbors`.
[INFO] [stderr]   --> src/biot/utils.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |   for i in 0..suffix_neighbors.len() {
[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] 46 |   for <item> in &suffix_neighbors {
[INFO] [stderr]    |       ^^^^^^    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/biot/utils.rs:48:16
[INFO] [stderr]    |
[INFO] [stderr] 48 |       for n in vec!["A", "C", "G", "T"] {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["A", "C", "G", "T"]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_vec)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(slice_patterns)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `biot`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(slice_patterns)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `biot`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b20a906e10b7dccc35b432698c5f06f48dc13541dfce6697293d3fad3036aa04"`
[INFO] running `"docker" "rm" "-f" "b20a906e10b7dccc35b432698c5f06f48dc13541dfce6697293d3fad3036aa04"`
[INFO] [stdout] b20a906e10b7dccc35b432698c5f06f48dc13541dfce6697293d3fad3036aa04