[INFO] crate fast_text 0.1.2 is already in cache
[INFO] extracting crate fast_text 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/fast_text/0.1.2
[INFO] extracting crate fast_text 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/fast_text/0.1.2
[INFO] validating manifest of fast_text-0.1.2 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 fast_text-0.1.2 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 fast_text-0.1.2
[INFO] finished frobbing fast_text-0.1.2
[INFO] frobbed toml for fast_text-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/fast_text/0.1.2/Cargo.toml
[INFO] started frobbing fast_text-0.1.2
[INFO] finished frobbing fast_text-0.1.2
[INFO] frobbed toml for fast_text-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/fast_text/0.1.2/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 fast_text-0.1.2 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/fast_text/0.1.2:/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] e4e7c944a0fa839edba1f046cb8207752da6312d27b60128e2338660d736ad07
[INFO] running `"docker" "start" "-a" "e4e7c944a0fa839edba1f046cb8207752da6312d27b60128e2338660d736ad07"`
[INFO] [stderr]     Checking kolmogorov_smirnov v1.1.0
[INFO] [stderr]     Checking fast_text v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/lib.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 | const VERSION: &'static str = "0.1.0";
[INFO] [stderr]   |                -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/lib.rs:514:20
[INFO] [stderr]     |
[INFO] [stderr] 514 |               } else {
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 515 | |                 if t != "" {
[INFO] [stderr] 516 | |                     wordvec.push(t.parse::<f64>().unwrap());
[INFO] [stderr] 517 | |                 }
[INFO] [stderr] 518 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 514 |             } else if t != "" {
[INFO] [stderr] 515 |     wordvec.push(t.parse::<f64>().unwrap());
[INFO] [stderr] 516 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:493:5
[INFO] [stderr]     |
[INFO] [stderr] 493 |     let cmd = s("echo \"") + analogies + "\" | ./fasttext analogies " + model + " " + &k.to_string();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `analogies`
[INFO] [stderr]    --> src/lib.rs:491:18
[INFO] [stderr]     |
[INFO] [stderr] 491 | pub fn analogies(analogies: &str, model: &str, k: u32) -> Vec<Vec<(String, f64)>> {
[INFO] [stderr]     |                  ^^^^^^^^^ help: consider using `_analogies` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `model`
[INFO] [stderr]    --> src/lib.rs:491:35
[INFO] [stderr]     |
[INFO] [stderr] 491 | pub fn analogies(analogies: &str, model: &str, k: u32) -> Vec<Vec<(String, f64)>> {
[INFO] [stderr]     |                                   ^^^^^ help: consider using `_model` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/lib.rs:491:48
[INFO] [stderr]     |
[INFO] [stderr] 491 | pub fn analogies(analogies: &str, model: &str, k: u32) -> Vec<Vec<(String, f64)>> {
[INFO] [stderr]     |                                                ^ help: consider using `_k` instead
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/lib.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 | const VERSION: &'static str = "0.1.0";
[INFO] [stderr]   |                -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/lib.rs:514:20
[INFO] [stderr]     |
[INFO] [stderr] 514 |               } else {
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 515 | |                 if t != "" {
[INFO] [stderr] 516 | |                     wordvec.push(t.parse::<f64>().unwrap());
[INFO] [stderr] 517 | |                 }
[INFO] [stderr] 518 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 514 |             } else if t != "" {
[INFO] [stderr] 515 |     wordvec.push(t.parse::<f64>().unwrap());
[INFO] [stderr] 516 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: parameter of type `HashMap` should be generalized over different hashers
[INFO] [stderr]   --> src/lib.rs:92:26
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub fn supervised(args: &HashMap<&str, &str>) {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::implicit_hasher)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_hasher
[INFO] [stderr] help: consider adding a type parameter
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub fn supervised<S: ::std::hash::BuildHasher>(args: &HashMap<&str, &str, S>) {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: parameter of type `HashMap` should be generalized over different hashers
[INFO] [stderr]    --> src/lib.rs:137:24
[INFO] [stderr]     |
[INFO] [stderr] 137 | pub fn quantize(args: &HashMap<&str, &str>) {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_hasher
[INFO] [stderr] help: consider adding a type parameter
[INFO] [stderr]     |
[INFO] [stderr] 137 | pub fn quantize<S: ::std::hash::BuildHasher>(args: &HashMap<&str, &str, S>) {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:158:55
[INFO] [stderr]     |
[INFO] [stderr] 158 |     for p in String::from_utf8_lossy(&r.stdout).split("\n") {
[INFO] [stderr]     |                                                       ^^^^ help: try using a char instead: `'\n'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:160:26
[INFO] [stderr]     |
[INFO] [stderr] 160 |         for v in p.split(" ") {
[INFO] [stderr]     |                          ^^^ help: try using a char instead: `' '`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:165:12
[INFO] [stderr]     |
[INFO] [stderr] 165 |         if innerv.len() != 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!innerv.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: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:186:26
[INFO] [stderr]     |
[INFO] [stderr] 186 |         for u in l.split(" ") {
[INFO] [stderr]     |                          ^^^ help: try using a char instead: `' '`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:202:55
[INFO] [stderr]     |
[INFO] [stderr] 202 |     for l in String::from_utf8_lossy(&r.stdout).split("\n") {
[INFO] [stderr]     |                                                       ^^^^ help: try using a char instead: `'\n'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:204:12
[INFO] [stderr]     |
[INFO] [stderr] 204 |         if v.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!v.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: parameter of type `HashMap` should be generalized over different hashers
[INFO] [stderr]    --> src/lib.rs:268:24
[INFO] [stderr]     |
[INFO] [stderr] 268 | pub fn skipgram(args: &HashMap<&str, &str>) {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_hasher
[INFO] [stderr] help: consider adding a type parameter
[INFO] [stderr]     |
[INFO] [stderr] 268 | pub fn skipgram<S: ::std::hash::BuildHasher>(args: &HashMap<&str, &str, S>) {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: parameter of type `HashMap` should be generalized over different hashers
[INFO] [stderr]    --> src/lib.rs:315:20
[INFO] [stderr]     |
[INFO] [stderr] 315 | pub fn cbow(args: &HashMap<&str, &str>) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_hasher
[INFO] [stderr] help: consider adding a type parameter
[INFO] [stderr]     |
[INFO] [stderr] 315 | pub fn cbow<S: ::std::hash::BuildHasher>(args: &HashMap<&str, &str, S>) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:428:40
[INFO] [stderr]     |
[INFO] [stderr] 428 |         for l in stdout[start..].split("\n") {
[INFO] [stderr]     |                                        ^^^^ help: try using a char instead: `'\n'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:429:42
[INFO] [stderr]     |
[INFO] [stderr] 429 |             let lar: Vec<&str> = l.split(" ").collect();
[INFO] [stderr]     |                                          ^^^ help: try using a char instead: `' '`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:442:12
[INFO] [stderr]     |
[INFO] [stderr] 442 |         if v1.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!v1.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: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:508:23
[INFO] [stderr]     |
[INFO] [stderr] 508 |     for l in st.split("\n") {
[INFO] [stderr]     |                       ^^^^ help: try using a char instead: `'\n'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:511:26
[INFO] [stderr]     |
[INFO] [stderr] 511 |         for t in l.split(" ") {
[INFO] [stderr]     |                          ^^^ help: try using a char instead: `' '`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:520:12
[INFO] [stderr]     |
[INFO] [stderr] 520 |         if wordvec.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!wordvec.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: unreachable statement
[INFO] [stderr]    --> src/lib.rs:493:5
[INFO] [stderr]     |
[INFO] [stderr] 493 |     let cmd = s("echo \"") + analogies + "\" | ./fasttext analogies " + model + " " + &k.to_string();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `analogies`
[INFO] [stderr]    --> src/lib.rs:491:18
[INFO] [stderr]     |
[INFO] [stderr] 491 | pub fn analogies(analogies: &str, model: &str, k: u32) -> Vec<Vec<(String, f64)>> {
[INFO] [stderr]     |                  ^^^^^^^^^ help: consider using `_analogies` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `model`
[INFO] [stderr]    --> src/lib.rs:491:35
[INFO] [stderr]     |
[INFO] [stderr] 491 | pub fn analogies(analogies: &str, model: &str, k: u32) -> Vec<Vec<(String, f64)>> {
[INFO] [stderr]     |                                   ^^^^^ help: consider using `_model` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/lib.rs:491:48
[INFO] [stderr]     |
[INFO] [stderr] 491 | pub fn analogies(analogies: &str, model: &str, k: u32) -> Vec<Vec<(String, f64)>> {
[INFO] [stderr]     |                                                ^ help: consider using `_k` instead
[INFO] [stderr] 
[INFO] [stderr] warning: parameter of type `HashMap` should be generalized over different hashers
[INFO] [stderr]   --> src/lib.rs:92:26
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub fn supervised(args: &HashMap<&str, &str>) {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::implicit_hasher)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_hasher
[INFO] [stderr] help: consider adding a type parameter
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub fn supervised<S: ::std::hash::BuildHasher>(args: &HashMap<&str, &str, S>) {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: parameter of type `HashMap` should be generalized over different hashers
[INFO] [stderr]    --> src/lib.rs:137:24
[INFO] [stderr]     |
[INFO] [stderr] 137 | pub fn quantize(args: &HashMap<&str, &str>) {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_hasher
[INFO] [stderr] help: consider adding a type parameter
[INFO] [stderr]     |
[INFO] [stderr] 137 | pub fn quantize<S: ::std::hash::BuildHasher>(args: &HashMap<&str, &str, S>) {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:158:55
[INFO] [stderr]     |
[INFO] [stderr] 158 |     for p in String::from_utf8_lossy(&r.stdout).split("\n") {
[INFO] [stderr]     |                                                       ^^^^ help: try using a char instead: `'\n'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:160:26
[INFO] [stderr]     |
[INFO] [stderr] 160 |         for v in p.split(" ") {
[INFO] [stderr]     |                          ^^^ help: try using a char instead: `' '`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:165:12
[INFO] [stderr]     |
[INFO] [stderr] 165 |         if innerv.len() != 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!innerv.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: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:186:26
[INFO] [stderr]     |
[INFO] [stderr] 186 |         for u in l.split(" ") {
[INFO] [stderr]     |                          ^^^ help: try using a char instead: `' '`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:202:55
[INFO] [stderr]     |
[INFO] [stderr] 202 |     for l in String::from_utf8_lossy(&r.stdout).split("\n") {
[INFO] [stderr]     |                                                       ^^^^ help: try using a char instead: `'\n'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:204:12
[INFO] [stderr]     |
[INFO] [stderr] 204 |         if v.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!v.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: parameter of type `HashMap` should be generalized over different hashers
[INFO] [stderr]    --> src/lib.rs:268:24
[INFO] [stderr]     |
[INFO] [stderr] 268 | pub fn skipgram(args: &HashMap<&str, &str>) {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_hasher
[INFO] [stderr] help: consider adding a type parameter
[INFO] [stderr]     |
[INFO] [stderr] 268 | pub fn skipgram<S: ::std::hash::BuildHasher>(args: &HashMap<&str, &str, S>) {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: parameter of type `HashMap` should be generalized over different hashers
[INFO] [stderr]    --> src/lib.rs:315:20
[INFO] [stderr]     |
[INFO] [stderr] 315 | pub fn cbow(args: &HashMap<&str, &str>) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_hasher
[INFO] [stderr] help: consider adding a type parameter
[INFO] [stderr]     |
[INFO] [stderr] 315 | pub fn cbow<S: ::std::hash::BuildHasher>(args: &HashMap<&str, &str, S>) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:428:40
[INFO] [stderr]     |
[INFO] [stderr] 428 |         for l in stdout[start..].split("\n") {
[INFO] [stderr]     |                                        ^^^^ help: try using a char instead: `'\n'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:429:42
[INFO] [stderr]     |
[INFO] [stderr] 429 |             let lar: Vec<&str> = l.split(" ").collect();
[INFO] [stderr]     |                                          ^^^ help: try using a char instead: `' '`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:442:12
[INFO] [stderr]     |
[INFO] [stderr] 442 |         if v1.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!v1.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: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:508:23
[INFO] [stderr]     |
[INFO] [stderr] 508 |     for l in st.split("\n") {
[INFO] [stderr]     |                       ^^^^ help: try using a char instead: `'\n'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/lib.rs:511:26
[INFO] [stderr]     |
[INFO] [stderr] 511 |         for t in l.split(" ") {
[INFO] [stderr]     |                          ^^^ help: try using a char instead: `' '`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:520:12
[INFO] [stderr]     |
[INFO] [stderr] 520 |         if wordvec.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!wordvec.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: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:681:54
[INFO] [stderr]     |
[INFO] [stderr] 681 |             assert!(sim(&set(r1), &set(r2)) > (0.9 * k as f64) as usize);
[INFO] [stderr]     |                                                      ^^^^^^^^ help: try: `f64::from(k)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `"docker" "inspect" "e4e7c944a0fa839edba1f046cb8207752da6312d27b60128e2338660d736ad07"`
[INFO] running `"docker" "rm" "-f" "e4e7c944a0fa839edba1f046cb8207752da6312d27b60128e2338660d736ad07"`
[INFO] [stdout] e4e7c944a0fa839edba1f046cb8207752da6312d27b60128e2338660d736ad07