[INFO] crate narcissus 0.3.0 is already in cache
[INFO] extracting crate narcissus 0.3.0 into work/ex/clippy-test-run/sources/stable/reg/narcissus/0.3.0
[INFO] extracting crate narcissus 0.3.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/narcissus/0.3.0
[INFO] validating manifest of narcissus-0.3.0 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 narcissus-0.3.0 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 narcissus-0.3.0
[INFO] finished frobbing narcissus-0.3.0
[INFO] frobbed toml for narcissus-0.3.0 written to work/ex/clippy-test-run/sources/stable/reg/narcissus/0.3.0/Cargo.toml
[INFO] started frobbing narcissus-0.3.0
[INFO] finished frobbing narcissus-0.3.0
[INFO] frobbed toml for narcissus-0.3.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/narcissus/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 narcissus-0.3.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/narcissus/0.3.0:/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" "-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] 85e3581dae822cbfbd28569da32aae9e72e0f14f99cde8d1ba88262319d36744
[INFO] running `"docker" "start" "-a" "85e3581dae822cbfbd28569da32aae9e72e0f14f99cde8d1ba88262319d36744"`
[INFO] [stderr]     Checking narcissus v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |         return 0.0
[INFO] [stderr]    |         ^^^^^^^^^^ help: remove `return` as shown: `0.0`
[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/lib.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |             return result.abs();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `result.abs()`
[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/lib.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |             return 1.0 - result;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `1.0 - result`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/lib.rs:70:30
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub fn dot_product_naive(xs: &Vec<f32>, ys: &Vec<f32>) -> f32 {
[INFO] [stderr]    |                              ^^^^^^^^^ help: change this to: `&[f32]`
[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/lib.rs:70:45
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub fn dot_product_naive(xs: &Vec<f32>, ys: &Vec<f32>) -> f32 {
[INFO] [stderr]    |                                             ^^^^^^^^^ help: change this to: `&[f32]`
[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/lib.rs:80:30
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn dot_product_optim(xs: &Vec<f32>, ys: &Vec<f32>) -> f32 {
[INFO] [stderr]    |                              ^^^^^^^^^ help: change this to: `&[f32]`
[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/lib.rs:80:45
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn dot_product_optim(xs: &Vec<f32>, ys: &Vec<f32>) -> f32 {
[INFO] [stderr]    |                                             ^^^^^^^^^ help: change this to: `&[f32]`
[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: needlessly taken reference of both operands
[INFO] [stderr]   --> src/lib.rs:88:19
[INFO] [stderr]    |
[INFO] [stderr] 88 |         result += &xs[i] * &ys[i]
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] help: use the values directly
[INFO] [stderr]    |
[INFO] [stderr] 88 |         result += xs[i] * ys[i]
[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/lib.rs:94:19
[INFO] [stderr]    |
[INFO] [stderr] 94 | fn magnitude(vec: &Vec<f32>) -> f32 {
[INFO] [stderr]    |                   ^^^^^^^^^ help: change this to: `&[f32]`
[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 `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/lib.rs:99:37
[INFO] [stderr]    |
[INFO] [stderr] 99 | pub fn matching_words_frequency(s1: &String, s2: &String) -> usize {
[INFO] [stderr]    |                                     ^^^^^^^ help: change this to: `&str`
[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 `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/lib.rs:99:50
[INFO] [stderr]    |
[INFO] [stderr] 99 | pub fn matching_words_frequency(s1: &String, s2: &String) -> usize {
[INFO] [stderr]    |                                                  ^^^^^^^ help: change this to: `&str`
[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 `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:109:33
[INFO] [stderr]     |
[INFO] [stderr] 109 | pub fn matching_words_count(s1: &String, s2: &String) -> usize {
[INFO] [stderr]     |                                 ^^^^^^^ help: change this to: `&str`
[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 `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:109:46
[INFO] [stderr]     |
[INFO] [stderr] 109 | pub fn matching_words_count(s1: &String, s2: &String) -> usize {
[INFO] [stderr]     |                                              ^^^^^^^ help: change this to: `&str`
[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 creates an owned instance just for comparison
[INFO] [stderr]    --> src/lib.rs:115:12
[INFO] [stderr]     |
[INFO] [stderr] 115 |         if i.to_string() == j.to_string() { result += 1 }
[INFO] [stderr]     |            ^^^^^^^^^^^^^ help: try: `*i`
[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: this creates an owned instance just for comparison
[INFO] [stderr]    --> src/lib.rs:115:29
[INFO] [stderr]     |
[INFO] [stderr] 115 |         if i.to_string() == j.to_string() { result += 1 }
[INFO] [stderr]     |                             ^^^^^^^^^^^^^ help: try: `j`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:126:25
[INFO] [stderr]     |
[INFO] [stderr] 126 | pub fn matching_sim(s1: &String, s2: &String, matching: Matching) -> f32  {
[INFO] [stderr]     |                         ^^^^^^^ help: change this to: `&str`
[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 `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:126:38
[INFO] [stderr]     |
[INFO] [stderr] 126 | pub fn matching_sim(s1: &String, s2: &String, matching: Matching) -> f32  {
[INFO] [stderr]     |                                      ^^^^^^^ help: change this to: `&str`
[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: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |         return 0.0
[INFO] [stderr]    |         ^^^^^^^^^^ help: remove `return` as shown: `0.0`
[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/lib.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |             return result.abs();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `result.abs()`
[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/lib.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |             return 1.0 - result;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `1.0 - result`
[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: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:148:29
[INFO] [stderr]     |
[INFO] [stderr] 148 |         assert!((distance - 1.7320508).abs() <= f32::EPSILON);
[INFO] [stderr]     |                             ^^^^^^^^^ help: consider: `1.732_050_8`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:158:25
[INFO] [stderr]     |
[INFO] [stderr] 158 |         assert_eq!(sim, 0.8215838);
[INFO] [stderr]     |                         ^^^^^^^^^ help: consider: `0.821_583_8`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:168:25
[INFO] [stderr]     |
[INFO] [stderr] 168 |         assert_eq!(sim, 0.6923077);
[INFO] [stderr]     |                         ^^^^^^^^^ help: consider: `0.692_307_7`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:186:33
[INFO] [stderr]     |
[INFO] [stderr] 186 |         assert_eq!(sim_one_two, 0.6464466);
[INFO] [stderr]     |                                 ^^^^^^^^^ help: consider: `0.646_446_6`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sim_one_three`
[INFO] [stderr]    --> src/lib.rs:183:13
[INFO] [stderr]     |
[INFO] [stderr] 183 |         let sim_one_three = pearson_correlation(vec_one_bis, vec_three);
[INFO] [stderr]     |             ^^^^^^^^^^^^^ help: consider using `_sim_one_three` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[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/lib.rs:70:30
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub fn dot_product_naive(xs: &Vec<f32>, ys: &Vec<f32>) -> f32 {
[INFO] [stderr]    |                              ^^^^^^^^^ help: change this to: `&[f32]`
[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/lib.rs:70:45
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub fn dot_product_naive(xs: &Vec<f32>, ys: &Vec<f32>) -> f32 {
[INFO] [stderr]    |                                             ^^^^^^^^^ help: change this to: `&[f32]`
[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/lib.rs:80:30
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn dot_product_optim(xs: &Vec<f32>, ys: &Vec<f32>) -> f32 {
[INFO] [stderr]    |                              ^^^^^^^^^ help: change this to: `&[f32]`
[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/lib.rs:80:45
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn dot_product_optim(xs: &Vec<f32>, ys: &Vec<f32>) -> f32 {
[INFO] [stderr]    |                                             ^^^^^^^^^ help: change this to: `&[f32]`
[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: needlessly taken reference of both operands
[INFO] [stderr]   --> src/lib.rs:88:19
[INFO] [stderr]    |
[INFO] [stderr] 88 |         result += &xs[i] * &ys[i]
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] help: use the values directly
[INFO] [stderr]    |
[INFO] [stderr] 88 |         result += xs[i] * ys[i]
[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/lib.rs:94:19
[INFO] [stderr]    |
[INFO] [stderr] 94 | fn magnitude(vec: &Vec<f32>) -> f32 {
[INFO] [stderr]    |                   ^^^^^^^^^ help: change this to: `&[f32]`
[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 `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/lib.rs:99:37
[INFO] [stderr]    |
[INFO] [stderr] 99 | pub fn matching_words_frequency(s1: &String, s2: &String) -> usize {
[INFO] [stderr]    |                                     ^^^^^^^ help: change this to: `&str`
[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 `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/lib.rs:99:50
[INFO] [stderr]    |
[INFO] [stderr] 99 | pub fn matching_words_frequency(s1: &String, s2: &String) -> usize {
[INFO] [stderr]    |                                                  ^^^^^^^ help: change this to: `&str`
[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 `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:109:33
[INFO] [stderr]     |
[INFO] [stderr] 109 | pub fn matching_words_count(s1: &String, s2: &String) -> usize {
[INFO] [stderr]     |                                 ^^^^^^^ help: change this to: `&str`
[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 `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:109:46
[INFO] [stderr]     |
[INFO] [stderr] 109 | pub fn matching_words_count(s1: &String, s2: &String) -> usize {
[INFO] [stderr]     |                                              ^^^^^^^ help: change this to: `&str`
[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 creates an owned instance just for comparison
[INFO] [stderr]    --> src/lib.rs:115:12
[INFO] [stderr]     |
[INFO] [stderr] 115 |         if i.to_string() == j.to_string() { result += 1 }
[INFO] [stderr]     |            ^^^^^^^^^^^^^ help: try: `*i`
[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: this creates an owned instance just for comparison
[INFO] [stderr]    --> src/lib.rs:115:29
[INFO] [stderr]     |
[INFO] [stderr] 115 |         if i.to_string() == j.to_string() { result += 1 }
[INFO] [stderr]     |                             ^^^^^^^^^^^^^ help: try: `j`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:126:25
[INFO] [stderr]     |
[INFO] [stderr] 126 | pub fn matching_sim(s1: &String, s2: &String, matching: Matching) -> f32  {
[INFO] [stderr]     |                         ^^^^^^^ help: change this to: `&str`
[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 `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/lib.rs:126:38
[INFO] [stderr]     |
[INFO] [stderr] 126 | pub fn matching_sim(s1: &String, s2: &String, matching: Matching) -> f32  {
[INFO] [stderr]     |                                      ^^^^^^^ help: change this to: `&str`
[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] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/lib.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         assert_eq!(sim, 0.8215838);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/lib.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         assert_eq!(sim, 0.8215838);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/lib.rs:168:9
[INFO] [stderr]     |
[INFO] [stderr] 168 |         assert_eq!(sim, 0.6923077);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/lib.rs:168:9
[INFO] [stderr]     |
[INFO] [stderr] 168 |         assert_eq!(sim, 0.6923077);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/lib.rs:186:9
[INFO] [stderr]     |
[INFO] [stderr] 186 |         assert_eq!(sim_one_two, 0.6464466);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/lib.rs:186:9
[INFO] [stderr]     |
[INFO] [stderr] 186 |         assert_eq!(sim_one_two, 0.6464466);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/lib.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |         assert_eq!(sim_two_four, 1.0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/lib.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |         assert_eq!(sim_two_four, 1.0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `narcissus`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "85e3581dae822cbfbd28569da32aae9e72e0f14f99cde8d1ba88262319d36744"`
[INFO] running `"docker" "rm" "-f" "85e3581dae822cbfbd28569da32aae9e72e0f14f99cde8d1ba88262319d36744"`
[INFO] [stdout] 85e3581dae822cbfbd28569da32aae9e72e0f14f99cde8d1ba88262319d36744