[INFO] updating cached repository Goirad/Rusty-Ramsey
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Goirad/Rusty-Ramsey
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Goirad/Rusty-Ramsey" "work/ex/clippy-test-run/sources/stable/gh/Goirad/Rusty-Ramsey"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Goirad/Rusty-Ramsey'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Goirad/Rusty-Ramsey" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Goirad/Rusty-Ramsey"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Goirad/Rusty-Ramsey'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f9092e4bfea7b52c5288835a4d2a6a6a00b86cf9
[INFO] sha for GitHub repo Goirad/Rusty-Ramsey: f9092e4bfea7b52c5288835a4d2a6a6a00b86cf9
[INFO] validating manifest of Goirad/Rusty-Ramsey 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 Goirad/Rusty-Ramsey 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 Goirad/Rusty-Ramsey
[INFO] finished frobbing Goirad/Rusty-Ramsey
[INFO] frobbed toml for Goirad/Rusty-Ramsey written to work/ex/clippy-test-run/sources/stable/gh/Goirad/Rusty-Ramsey/Cargo.toml
[INFO] started frobbing Goirad/Rusty-Ramsey
[INFO] finished frobbing Goirad/Rusty-Ramsey
[INFO] frobbed toml for Goirad/Rusty-Ramsey written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Goirad/Rusty-Ramsey/Cargo.toml
[INFO] crate Goirad/Rusty-Ramsey 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 Goirad/Rusty-Ramsey against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Goirad/Rusty-Ramsey:/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] 329046addb5c24143430e6a04042ed9253aefed050a0422ab3dc2753b57936b4
[INFO] running `"docker" "start" "-a" "329046addb5c24143430e6a04042ed9253aefed050a0422ab3dc2753b57936b4"`
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking rusty_ramsey v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/graph_lib.rs:180:21
[INFO] [stderr]     |
[INFO] [stderr] 180 |                     edges: edges,
[INFO] [stderr]     |                     ^^^^^^^^^^^^ help: replace it with: `edges`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/graph_lib.rs:371:13
[INFO] [stderr]     |
[INFO] [stderr] 371 |             labels: labels,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `labels`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/graph_lib.rs:180:21
[INFO] [stderr]     |
[INFO] [stderr] 180 |                     edges: edges,
[INFO] [stderr]     |                     ^^^^^^^^^^^^ help: replace it with: `edges`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/graph_lib.rs:371:13
[INFO] [stderr]     |
[INFO] [stderr] 371 |             labels: labels,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `labels`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/graph_lib.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |             return &Edge::None;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `&Edge::None`
[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/graph_lib.rs:426:13
[INFO] [stderr]     |
[INFO] [stderr] 426 |             return 1;
[INFO] [stderr]     |             ^^^^^^^^^ help: remove `return` as shown: `1`
[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/graph_lib.rs:510:13
[INFO] [stderr]     |
[INFO] [stderr] 510 |             return true;
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[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/graph_lib.rs:529:13
[INFO] [stderr]     |
[INFO] [stderr] 529 |             return false;
[INFO] [stderr]     |             ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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/graph_lib.rs:537:13
[INFO] [stderr]     |
[INFO] [stderr] 537 |             return false;
[INFO] [stderr]     |             ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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/graph_lib.rs:559:17
[INFO] [stderr]     |
[INFO] [stderr] 559 |                 return true;
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[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/graph_lib.rs:599:9
[INFO] [stderr]     |
[INFO] [stderr] 599 |         return 1;
[INFO] [stderr]     |         ^^^^^^^^^ help: remove `return` as shown: `1`
[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/graph_lib.rs:636:9
[INFO] [stderr]     |
[INFO] [stderr] 636 |         return None;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[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/graph_lib.rs:719:17
[INFO] [stderr]     |
[INFO] [stderr] 719 |                 return false;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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/graph_lib.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |             return &Edge::None;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `&Edge::None`
[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/graph_lib.rs:426:13
[INFO] [stderr]     |
[INFO] [stderr] 426 |             return 1;
[INFO] [stderr]     |             ^^^^^^^^^ help: remove `return` as shown: `1`
[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/graph_lib.rs:510:13
[INFO] [stderr]     |
[INFO] [stderr] 510 |             return true;
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[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/graph_lib.rs:529:13
[INFO] [stderr]     |
[INFO] [stderr] 529 |             return false;
[INFO] [stderr]     |             ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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/graph_lib.rs:537:13
[INFO] [stderr]     |
[INFO] [stderr] 537 |             return false;
[INFO] [stderr]     |             ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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/graph_lib.rs:559:17
[INFO] [stderr]     |
[INFO] [stderr] 559 |                 return true;
[INFO] [stderr]     |                 ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[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/graph_lib.rs:599:9
[INFO] [stderr]     |
[INFO] [stderr] 599 |         return 1;
[INFO] [stderr]     |         ^^^^^^^^^ help: remove `return` as shown: `1`
[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/graph_lib.rs:636:9
[INFO] [stderr]     |
[INFO] [stderr] 636 |         return None;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[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/graph_lib.rs:719:17
[INFO] [stderr]     |
[INFO] [stderr] 719 |                 return false;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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: unused variable: `start`
[INFO] [stderr]   --> src/main.rs:86:17
[INFO] [stderr]    |
[INFO] [stderr] 86 |             let start = Instant::now();
[INFO] [stderr]    |                 ^^^^^ help: consider using `_start` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_old`
[INFO] [stderr]   --> src/main.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 |             let num_old = c.graphs.len();
[INFO] [stderr]    |                 ^^^^^^^ help: consider using `_num_old` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:85:54
[INFO] [stderr]    |
[INFO] [stderr] 85 |         chunks.par_iter_mut().enumerate().for_each(|(i, c)| {
[INFO] [stderr]    |                                                      ^ help: consider using `_i` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start`
[INFO] [stderr]    --> src/main.rs:132:21
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 let start = Instant::now();
[INFO] [stderr]     |                     ^^^^^ help: consider using `_start` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_old`
[INFO] [stderr]    --> src/main.rs:135:21
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 let num_old = c.graphs.len();
[INFO] [stderr]     |                     ^^^^^^^ help: consider using `_num_old` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:131:63
[INFO] [stderr]     |
[INFO] [stderr] 131 |             hard_chunks.par_iter_mut().enumerate().for_each(|(i, c)| {
[INFO] [stderr]     |                                                               ^ help: consider using `_i` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `total_comp`
[INFO] [stderr]   --> src/main.rs:78:17
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let mut total_comp = 0;
[INFO] [stderr]    |                 ^^^^^^^^^^ help: consider using `_total_comp` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `total_processed`
[INFO] [stderr]   --> src/main.rs:79:17
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let mut total_processed = 0;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: consider using `_total_processed` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `total_comp`
[INFO] [stderr]    --> src/main.rs:126:21
[INFO] [stderr]     |
[INFO] [stderr] 126 |             let mut total_comp = 0;
[INFO] [stderr]     |                     ^^^^^^^^^^ help: consider using `_total_comp` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `total_processed`
[INFO] [stderr]    --> src/main.rs:127:21
[INFO] [stderr]     |
[INFO] [stderr] 127 |             let mut total_processed = 0;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^ help: consider using `_total_processed` instead
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `collapse`
[INFO] [stderr]    --> src/graph_lib.rs:648:5
[INFO] [stderr]     |
[INFO] [stderr] 648 |     fn collapse(list: &Vec<Vec<usize>>) -> Vec<usize> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `views`
[INFO] [stderr]    --> src/main.rs:177:1
[INFO] [stderr]     |
[INFO] [stderr] 177 | fn views<T>(v: &Vec<T>, n: usize) -> Vec<(usize, usize)> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fmt_dur`
[INFO] [stderr]    --> src/main.rs:189:1
[INFO] [stderr]     |
[INFO] [stderr] 189 | fn fmt_dur(d: Duration) -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dedup`
[INFO] [stderr]    --> src/main.rs:201:1
[INFO] [stderr]     |
[INFO] [stderr] 201 | fn dedup<T: Eq>(v: &mut Vec<T>) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `k3_free`
[INFO] [stderr]    --> src/main.rs:210:1
[INFO] [stderr]     |
[INFO] [stderr] 210 | fn k3_free(g: &Graph, col: &Edge) -> bool {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `k5_free`
[INFO] [stderr]    --> src/main.rs:251:1
[INFO] [stderr]     |
[INFO] [stderr] 251 | fn k5_free(g: &Graph, col: &Edge) -> bool {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/graph_lib.rs:254:17
[INFO] [stderr]     |
[INFO] [stderr] 254 | /                 match *g.get_edge(i, j) {
[INFO] [stderr] 255 | |                     Edge::Red => red_edges += 1,
[INFO] [stderr] 256 | |                     _ => (),
[INFO] [stderr] 257 | |                 }
[INFO] [stderr]     | |_________________^ help: try this: `if let Edge::Red = *g.get_edge(i, j) { red_edges += 1 }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is used to index `labels`
[INFO] [stderr]    --> src/graph_lib.rs:282:22
[INFO] [stderr]     |
[INFO] [stderr] 282 |             for j in 0..g.vertices {
[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] 282 |             for (j, <item>) in labels.iter().enumerate().take(g.vertices) {
[INFO] [stderr]     |                 ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/graph_lib.rs:283:17
[INFO] [stderr]     |
[INFO] [stderr] 283 | /                 match *g.get_edge(i, j) {
[INFO] [stderr] 284 | |                     Edge::Red => red_edges += labels[j] as u16,
[INFO] [stderr] 285 | |                     _ => (),
[INFO] [stderr] 286 | |                 }
[INFO] [stderr]     | |_________________^ help: try this: `if let Edge::Red = *g.get_edge(i, j) { red_edges += labels[j] as u16 }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/graph_lib.rs:284:47
[INFO] [stderr]     |
[INFO] [stderr] 284 |                     Edge::Red => red_edges += labels[j] as u16,
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^ help: try: `u16::from(labels[j])`
[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] warning: the loop variable `j` is used to index `labels`
[INFO] [stderr]    --> src/graph_lib.rs:311:22
[INFO] [stderr]     |
[INFO] [stderr] 311 |             for j in 0..g.vertices {
[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] 311 |             for (j, <item>) in labels.iter().enumerate().take(g.vertices) {
[INFO] [stderr]     |                 ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/graph_lib.rs:312:17
[INFO] [stderr]     |
[INFO] [stderr] 312 | /                 match *g.get_edge(i, j) {
[INFO] [stderr] 313 | |                     Edge::Red => red_edges += labels[j].1 as u16,
[INFO] [stderr] 314 | |                     _ => (),
[INFO] [stderr] 315 | |                 }
[INFO] [stderr]     | |_________________^ help: try this: `if let Edge::Red = *g.get_edge(i, j) { red_edges += labels[j].1 as u16 }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `labels`
[INFO] [stderr]    --> src/graph_lib.rs:334:18
[INFO] [stderr]     |
[INFO] [stderr] 334 |         for i in 0..g.vertices {
[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] 334 |         for (i, <item>) in labels.iter_mut().enumerate().take(g.vertices) {
[INFO] [stderr]     |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/graph_lib.rs:337:17
[INFO] [stderr]     |
[INFO] [stderr] 337 | /                 match *g.get_edge(i, j) {
[INFO] [stderr] 338 | |                     Edge::Red => red_edges += 1,
[INFO] [stderr] 339 | |                     _ => (),
[INFO] [stderr] 340 | |                 }
[INFO] [stderr]     | |_________________^ help: try this: `if let Edge::Red = *g.get_edge(i, j) { red_edges += 1 }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is used to index `labels`
[INFO] [stderr]    --> src/graph_lib.rs:346:22
[INFO] [stderr]     |
[INFO] [stderr] 346 |             for j in 0..g.vertices {
[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] 346 |             for (j, <item>) in labels.iter().enumerate().take(g.vertices) {
[INFO] [stderr]     |                 ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/graph_lib.rs:347:17
[INFO] [stderr]     |
[INFO] [stderr] 347 | /                 match *g.get_edge(i, j) {
[INFO] [stderr] 348 | |                     Edge::Red => red_edges += labels[j].0 as u16,
[INFO] [stderr] 349 | |                     _ => (),
[INFO] [stderr] 350 | |                 }
[INFO] [stderr]     | |_________________^ help: try this: `if let Edge::Red = *g.get_edge(i, j) { red_edges += labels[j].0 as u16 }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/graph_lib.rs:348:47
[INFO] [stderr]     |
[INFO] [stderr] 348 |                     Edge::Red => red_edges += labels[j].0 as u16,
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^ help: try: `u16::from(labels[j].0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is used to index `labels`
[INFO] [stderr]    --> src/graph_lib.rs:356:22
[INFO] [stderr]     |
[INFO] [stderr] 356 |             for j in 0..g.vertices {
[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] 356 |             for (j, <item>) in labels.iter().enumerate().take(g.vertices) {
[INFO] [stderr]     |                 ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/graph_lib.rs:357:17
[INFO] [stderr]     |
[INFO] [stderr] 357 | /                 match *g.get_edge(i, j) {
[INFO] [stderr] 358 | |                     Edge::Red => red_edges += labels[j].1 as u16,
[INFO] [stderr] 359 | |                     _ => (),
[INFO] [stderr] 360 | |                 }
[INFO] [stderr]     | |_________________^ help: try this: `if let Edge::Red = *g.get_edge(i, j) { red_edges += labels[j].1 as u16 }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `old_labels`
[INFO] [stderr]    --> src/graph_lib.rs:383:18
[INFO] [stderr]     |
[INFO] [stderr] 383 |         for i in 0..g.vertices {
[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] 383 |         for (i, <item>) in old_labels.iter().enumerate().take(g.vertices) {
[INFO] [stderr]     |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/graph_lib.rs:386:17
[INFO] [stderr]     |
[INFO] [stderr] 386 | /                 match *g.get_edge(i, j) {
[INFO] [stderr] 387 | |                     Edge::Red => connected.push(j),
[INFO] [stderr] 388 | |                     _ => (),
[INFO] [stderr] 389 | |                 }
[INFO] [stderr]     | |_________________^ help: try this: `if let Edge::Red = *g.get_edge(i, j) { connected.push(j) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/graph_lib.rs:395:25
[INFO] [stderr]     |
[INFO] [stderr] 395 | /                         match *g.get_edge(connected[j], connected[k]) {
[INFO] [stderr] 396 | |                             Edge::Red => k3s += 1,
[INFO] [stderr] 397 | |                             _ => (),
[INFO] [stderr] 398 | |                         }
[INFO] [stderr]     | |_________________________^ help: try this: `if let Edge::Red = *g.get_edge(connected[j], connected[k]) { k3s += 1 }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[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/graph_lib.rs:424:24
[INFO] [stderr]     |
[INFO] [stderr] 424 |     fn calc_comp(list: &Vec<T>) -> u64 {
[INFO] [stderr]     |                        ^^^^^^^ help: change this to: `&[T]`
[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/graph_lib.rs:455:18
[INFO] [stderr]     |
[INFO] [stderr] 455 |     fn bin(list: &Vec<T>) -> Vec<Vec<usize>> {
[INFO] [stderr]     |                  ^^^^^^^ help: change this to: `&[T]`
[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/graph_lib.rs:492:23
[INFO] [stderr]     |
[INFO] [stderr] 492 |         orig_verts_g: &Vec<Vec<usize>>, //original bins, with more than one element
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^ help: change this to: `&[Vec<usize>]`
[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/graph_lib.rs:494:28
[INFO] [stderr]     |
[INFO] [stderr] 494 |         collapsed_verts_h: &Vec<usize>, //the vertices of h collapsed into a single vector
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: change this to: `&[usize]`
[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 function has too many arguments (8/7)
[INFO] [stderr]    --> src/graph_lib.rs:489:5
[INFO] [stderr]     |
[INFO] [stderr] 489 | /     fn rec_iso_check(
[INFO] [stderr] 490 | |         depth: usize,
[INFO] [stderr] 491 | |         max_depth: usize,
[INFO] [stderr] 492 | |         orig_verts_g: &Vec<Vec<usize>>, //original bins, with more than one element
[INFO] [stderr] ...   |
[INFO] [stderr] 530 | |         }
[INFO] [stderr] 531 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::too_many_arguments)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/graph_lib.rs:541:16
[INFO] [stderr]     |
[INFO] [stderr] 541 |             if g_bins.len() > 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!g_bins.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/graph_lib.rs:565:19
[INFO] [stderr]     |
[INFO] [stderr] 565 | fn collapse(list: &Vec<Vec<usize>>, out: &mut Vec<usize>) {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^ help: change this to: `&[Vec<usize>]`
[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/graph_lib.rs:629:22
[INFO] [stderr]     |
[INFO] [stderr] 629 |     fn find_split(v: &Vec<LabeledGraph<T>>) -> Option<usize> {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[LabeledGraph<T>]`
[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/graph_lib.rs:648:23
[INFO] [stderr]     |
[INFO] [stderr] 648 |     fn collapse(list: &Vec<Vec<usize>>) -> Vec<usize> {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^ help: change this to: `&[Vec<usize>]`
[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/graph_lib.rs:701:23
[INFO] [stderr]     |
[INFO] [stderr] 701 |         orig_verts_g: &Vec<Vec<usize>>, //original bins, with more than one element
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^ help: change this to: `&[Vec<usize>]`
[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: the loop variable `i` is used to index `collapsed_verts_g`
[INFO] [stderr]    --> src/graph_lib.rs:710:26
[INFO] [stderr]     |
[INFO] [stderr] 710 |                 for i in 0..collapsed_verts_g.len() - 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] 710 |                 for (i, <item>) in collapsed_verts_g.iter().enumerate().take(collapsed_verts_g.len() - 1) {
[INFO] [stderr]     |                     ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is used to index `collapsed_verts_g`
[INFO] [stderr]    --> src/graph_lib.rs:711:30
[INFO] [stderr]     |
[INFO] [stderr] 711 |                     for j in 0..collapsed_verts_g.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] 711 |                     for (j, <item>) in collapsed_verts_g.iter().enumerate() {
[INFO] [stderr]     |                         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:71:12
[INFO] [stderr]    |
[INFO] [stderr] 71 |         if next.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `next.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] error: this boolean expression contains a logic bug
[INFO] [stderr]   --> src/main.rs:91:16
[INFO] [stderr]    |
[INFO] [stderr] 91 |             if false && comp > 500_000 {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^ help: it would look like the following: `false`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::logic_bug)] on by default
[INFO] [stderr] help: this expression can be optimized out by applying boolean operations to the outer expression
[INFO] [stderr]   --> src/main.rs:91:25
[INFO] [stderr]    |
[INFO] [stderr] 91 |             if false && comp > 500_000 {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#logic_bug
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:124:12
[INFO] [stderr]     |
[INFO] [stderr] 124 |         if hard_ones.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!hard_ones.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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:177:16
[INFO] [stderr]     |
[INFO] [stderr] 177 | fn views<T>(v: &Vec<T>, n: usize) -> Vec<(usize, usize)> {
[INFO] [stderr]     |                ^^^^^^^ help: change this to: `&[T]`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:183:9
[INFO] [stderr]     |
[INFO] [stderr] 183 |         curr = curr + size;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^ help: replace it with: `curr += size`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: Calling `subsec_millis()` is more concise than this calculation
[INFO] [stderr]    --> src/main.rs:197:9
[INFO] [stderr]     |
[INFO] [stderr] 197 |         d.subsec_nanos() / 1_000_000
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `d.subsec_millis()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::duration_subsec)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/main.rs:210:28
[INFO] [stderr]     |
[INFO] [stderr] 210 | fn k3_free(g: &Graph, col: &Edge) -> bool {
[INFO] [stderr]     |                            ^^^^^ help: consider passing by value instead: `Edge`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/main.rs:226:28
[INFO] [stderr]     |
[INFO] [stderr] 226 | fn k4_free(g: &Graph, col: &Edge) -> bool {
[INFO] [stderr]     |                            ^^^^^ help: consider passing by value instead: `Edge`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/main.rs:251:28
[INFO] [stderr]     |
[INFO] [stderr] 251 | fn k5_free(g: &Graph, col: &Edge) -> bool {
[INFO] [stderr]     |                            ^^^^^ help: consider passing by value instead: `Edge`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rusty_ramsey`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused variable: `start`
[INFO] [stderr]   --> src/main.rs:86:17
[INFO] [stderr]    |
[INFO] [stderr] 86 |             let start = Instant::now();
[INFO] [stderr]    |                 ^^^^^ help: consider using `_start` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_old`
[INFO] [stderr]   --> src/main.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 |             let num_old = c.graphs.len();
[INFO] [stderr]    |                 ^^^^^^^ help: consider using `_num_old` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:85:54
[INFO] [stderr]    |
[INFO] [stderr] 85 |         chunks.par_iter_mut().enumerate().for_each(|(i, c)| {
[INFO] [stderr]    |                                                      ^ help: consider using `_i` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start`
[INFO] [stderr]    --> src/main.rs:132:21
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 let start = Instant::now();
[INFO] [stderr]     |                     ^^^^^ help: consider using `_start` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_old`
[INFO] [stderr]    --> src/main.rs:135:21
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 let num_old = c.graphs.len();
[INFO] [stderr]     |                     ^^^^^^^ help: consider using `_num_old` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:131:63
[INFO] [stderr]     |
[INFO] [stderr] 131 |             hard_chunks.par_iter_mut().enumerate().for_each(|(i, c)| {
[INFO] [stderr]     |                                                               ^ help: consider using `_i` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `total_comp`
[INFO] [stderr]   --> src/main.rs:78:17
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let mut total_comp = 0;
[INFO] [stderr]    |                 ^^^^^^^^^^ help: consider using `_total_comp` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `total_processed`
[INFO] [stderr]   --> src/main.rs:79:17
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let mut total_processed = 0;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: consider using `_total_processed` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `total_comp`
[INFO] [stderr]    --> src/main.rs:126:21
[INFO] [stderr]     |
[INFO] [stderr] 126 |             let mut total_comp = 0;
[INFO] [stderr]     |                     ^^^^^^^^^^ help: consider using `_total_comp` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `total_processed`
[INFO] [stderr]    --> src/main.rs:127:21
[INFO] [stderr]     |
[INFO] [stderr] 127 |             let mut total_processed = 0;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^ help: consider using `_total_processed` instead
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `collapse`
[INFO] [stderr]    --> src/graph_lib.rs:648:5
[INFO] [stderr]     |
[INFO] [stderr] 648 |     fn collapse(list: &Vec<Vec<usize>>) -> Vec<usize> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `views`
[INFO] [stderr]    --> src/main.rs:177:1
[INFO] [stderr]     |
[INFO] [stderr] 177 | fn views<T>(v: &Vec<T>, n: usize) -> Vec<(usize, usize)> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fmt_dur`
[INFO] [stderr]    --> src/main.rs:189:1
[INFO] [stderr]     |
[INFO] [stderr] 189 | fn fmt_dur(d: Duration) -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dedup`
[INFO] [stderr]    --> src/main.rs:201:1
[INFO] [stderr]     |
[INFO] [stderr] 201 | fn dedup<T: Eq>(v: &mut Vec<T>) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `k3_free`
[INFO] [stderr]    --> src/main.rs:210:1
[INFO] [stderr]     |
[INFO] [stderr] 210 | fn k3_free(g: &Graph, col: &Edge) -> bool {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `k5_free`
[INFO] [stderr]    --> src/main.rs:251:1
[INFO] [stderr]     |
[INFO] [stderr] 251 | fn k5_free(g: &Graph, col: &Edge) -> bool {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/graph_lib.rs:254:17
[INFO] [stderr]     |
[INFO] [stderr] 254 | /                 match *g.get_edge(i, j) {
[INFO] [stderr] 255 | |                     Edge::Red => red_edges += 1,
[INFO] [stderr] 256 | |                     _ => (),
[INFO] [stderr] 257 | |                 }
[INFO] [stderr]     | |_________________^ help: try this: `if let Edge::Red = *g.get_edge(i, j) { red_edges += 1 }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is used to index `labels`
[INFO] [stderr]    --> src/graph_lib.rs:282:22
[INFO] [stderr]     |
[INFO] [stderr] 282 |             for j in 0..g.vertices {
[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] 282 |             for (j, <item>) in labels.iter().enumerate().take(g.vertices) {
[INFO] [stderr]     |                 ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/graph_lib.rs:283:17
[INFO] [stderr]     |
[INFO] [stderr] 283 | /                 match *g.get_edge(i, j) {
[INFO] [stderr] 284 | |                     Edge::Red => red_edges += labels[j] as u16,
[INFO] [stderr] 285 | |                     _ => (),
[INFO] [stderr] 286 | |                 }
[INFO] [stderr]     | |_________________^ help: try this: `if let Edge::Red = *g.get_edge(i, j) { red_edges += labels[j] as u16 }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/graph_lib.rs:284:47
[INFO] [stderr]     |
[INFO] [stderr] 284 |                     Edge::Red => red_edges += labels[j] as u16,
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^ help: try: `u16::from(labels[j])`
[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] warning: the loop variable `j` is used to index `labels`
[INFO] [stderr]    --> src/graph_lib.rs:311:22
[INFO] [stderr]     |
[INFO] [stderr] 311 |             for j in 0..g.vertices {
[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] 311 |             for (j, <item>) in labels.iter().enumerate().take(g.vertices) {
[INFO] [stderr]     |                 ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/graph_lib.rs:312:17
[INFO] [stderr]     |
[INFO] [stderr] 312 | /                 match *g.get_edge(i, j) {
[INFO] [stderr] 313 | |                     Edge::Red => red_edges += labels[j].1 as u16,
[INFO] [stderr] 314 | |                     _ => (),
[INFO] [stderr] 315 | |                 }
[INFO] [stderr]     | |_________________^ help: try this: `if let Edge::Red = *g.get_edge(i, j) { red_edges += labels[j].1 as u16 }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `labels`
[INFO] [stderr]    --> src/graph_lib.rs:334:18
[INFO] [stderr]     |
[INFO] [stderr] 334 |         for i in 0..g.vertices {
[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] 334 |         for (i, <item>) in labels.iter_mut().enumerate().take(g.vertices) {
[INFO] [stderr]     |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/graph_lib.rs:337:17
[INFO] [stderr]     |
[INFO] [stderr] 337 | /                 match *g.get_edge(i, j) {
[INFO] [stderr] 338 | |                     Edge::Red => red_edges += 1,
[INFO] [stderr] 339 | |                     _ => (),
[INFO] [stderr] 340 | |                 }
[INFO] [stderr]     | |_________________^ help: try this: `if let Edge::Red = *g.get_edge(i, j) { red_edges += 1 }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is used to index `labels`
[INFO] [stderr]    --> src/graph_lib.rs:346:22
[INFO] [stderr]     |
[INFO] [stderr] 346 |             for j in 0..g.vertices {
[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] 346 |             for (j, <item>) in labels.iter().enumerate().take(g.vertices) {
[INFO] [stderr]     |                 ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/graph_lib.rs:347:17
[INFO] [stderr]     |
[INFO] [stderr] 347 | /                 match *g.get_edge(i, j) {
[INFO] [stderr] 348 | |                     Edge::Red => red_edges += labels[j].0 as u16,
[INFO] [stderr] 349 | |                     _ => (),
[INFO] [stderr] 350 | |                 }
[INFO] [stderr]     | |_________________^ help: try this: `if let Edge::Red = *g.get_edge(i, j) { red_edges += labels[j].0 as u16 }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/graph_lib.rs:348:47
[INFO] [stderr]     |
[INFO] [stderr] 348 |                     Edge::Red => red_edges += labels[j].0 as u16,
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^ help: try: `u16::from(labels[j].0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is used to index `labels`
[INFO] [stderr]    --> src/graph_lib.rs:356:22
[INFO] [stderr]     |
[INFO] [stderr] 356 |             for j in 0..g.vertices {
[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] 356 |             for (j, <item>) in labels.iter().enumerate().take(g.vertices) {
[INFO] [stderr]     |                 ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/graph_lib.rs:357:17
[INFO] [stderr]     |
[INFO] [stderr] 357 | /                 match *g.get_edge(i, j) {
[INFO] [stderr] 358 | |                     Edge::Red => red_edges += labels[j].1 as u16,
[INFO] [stderr] 359 | |                     _ => (),
[INFO] [stderr] 360 | |                 }
[INFO] [stderr]     | |_________________^ help: try this: `if let Edge::Red = *g.get_edge(i, j) { red_edges += labels[j].1 as u16 }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `old_labels`
[INFO] [stderr]    --> src/graph_lib.rs:383:18
[INFO] [stderr]     |
[INFO] [stderr] 383 |         for i in 0..g.vertices {
[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] 383 |         for (i, <item>) in old_labels.iter().enumerate().take(g.vertices) {
[INFO] [stderr]     |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/graph_lib.rs:386:17
[INFO] [stderr]     |
[INFO] [stderr] 386 | /                 match *g.get_edge(i, j) {
[INFO] [stderr] 387 | |                     Edge::Red => connected.push(j),
[INFO] [stderr] 388 | |                     _ => (),
[INFO] [stderr] 389 | |                 }
[INFO] [stderr]     | |_________________^ help: try this: `if let Edge::Red = *g.get_edge(i, j) { connected.push(j) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/graph_lib.rs:395:25
[INFO] [stderr]     |
[INFO] [stderr] 395 | /                         match *g.get_edge(connected[j], connected[k]) {
[INFO] [stderr] 396 | |                             Edge::Red => k3s += 1,
[INFO] [stderr] 397 | |                             _ => (),
[INFO] [stderr] 398 | |                         }
[INFO] [stderr]     | |_________________________^ help: try this: `if let Edge::Red = *g.get_edge(connected[j], connected[k]) { k3s += 1 }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[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/graph_lib.rs:424:24
[INFO] [stderr]     |
[INFO] [stderr] 424 |     fn calc_comp(list: &Vec<T>) -> u64 {
[INFO] [stderr]     |                        ^^^^^^^ help: change this to: `&[T]`
[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/graph_lib.rs:455:18
[INFO] [stderr]     |
[INFO] [stderr] 455 |     fn bin(list: &Vec<T>) -> Vec<Vec<usize>> {
[INFO] [stderr]     |                  ^^^^^^^ help: change this to: `&[T]`
[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/graph_lib.rs:492:23
[INFO] [stderr]     |
[INFO] [stderr] 492 |         orig_verts_g: &Vec<Vec<usize>>, //original bins, with more than one element
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^ help: change this to: `&[Vec<usize>]`
[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/graph_lib.rs:494:28
[INFO] [stderr]     |
[INFO] [stderr] 494 |         collapsed_verts_h: &Vec<usize>, //the vertices of h collapsed into a single vector
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: change this to: `&[usize]`
[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 function has too many arguments (8/7)
[INFO] [stderr]    --> src/graph_lib.rs:489:5
[INFO] [stderr]     |
[INFO] [stderr] 489 | /     fn rec_iso_check(
[INFO] [stderr] 490 | |         depth: usize,
[INFO] [stderr] 491 | |         max_depth: usize,
[INFO] [stderr] 492 | |         orig_verts_g: &Vec<Vec<usize>>, //original bins, with more than one element
[INFO] [stderr] ...   |
[INFO] [stderr] 530 | |         }
[INFO] [stderr] 531 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::too_many_arguments)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/graph_lib.rs:541:16
[INFO] [stderr]     |
[INFO] [stderr] 541 |             if g_bins.len() > 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!g_bins.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/graph_lib.rs:565:19
[INFO] [stderr]     |
[INFO] [stderr] 565 | fn collapse(list: &Vec<Vec<usize>>, out: &mut Vec<usize>) {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^ help: change this to: `&[Vec<usize>]`
[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/graph_lib.rs:629:22
[INFO] [stderr]     |
[INFO] [stderr] 629 |     fn find_split(v: &Vec<LabeledGraph<T>>) -> Option<usize> {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[LabeledGraph<T>]`
[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/graph_lib.rs:648:23
[INFO] [stderr]     |
[INFO] [stderr] 648 |     fn collapse(list: &Vec<Vec<usize>>) -> Vec<usize> {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^ help: change this to: `&[Vec<usize>]`
[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/graph_lib.rs:701:23
[INFO] [stderr]     |
[INFO] [stderr] 701 |         orig_verts_g: &Vec<Vec<usize>>, //original bins, with more than one element
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^ help: change this to: `&[Vec<usize>]`
[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: the loop variable `i` is used to index `collapsed_verts_g`
[INFO] [stderr]    --> src/graph_lib.rs:710:26
[INFO] [stderr]     |
[INFO] [stderr] 710 |                 for i in 0..collapsed_verts_g.len() - 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] 710 |                 for (i, <item>) in collapsed_verts_g.iter().enumerate().take(collapsed_verts_g.len() - 1) {
[INFO] [stderr]     |                     ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is used to index `collapsed_verts_g`
[INFO] [stderr]    --> src/graph_lib.rs:711:30
[INFO] [stderr]     |
[INFO] [stderr] 711 |                     for j in 0..collapsed_verts_g.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] 711 |                     for (j, <item>) in collapsed_verts_g.iter().enumerate() {
[INFO] [stderr]     |                         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:71:12
[INFO] [stderr]    |
[INFO] [stderr] 71 |         if next.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `next.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] error: this boolean expression contains a logic bug
[INFO] [stderr]   --> src/main.rs:91:16
[INFO] [stderr]    |
[INFO] [stderr] 91 |             if false && comp > 500_000 {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^ help: it would look like the following: `false`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::logic_bug)] on by default
[INFO] [stderr] help: this expression can be optimized out by applying boolean operations to the outer expression
[INFO] [stderr]   --> src/main.rs:91:25
[INFO] [stderr]    |
[INFO] [stderr] 91 |             if false && comp > 500_000 {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#logic_bug
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:124:12
[INFO] [stderr]     |
[INFO] [stderr] 124 |         if hard_ones.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!hard_ones.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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:177:16
[INFO] [stderr]     |
[INFO] [stderr] 177 | fn views<T>(v: &Vec<T>, n: usize) -> Vec<(usize, usize)> {
[INFO] [stderr]     |                ^^^^^^^ help: change this to: `&[T]`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:183:9
[INFO] [stderr]     |
[INFO] [stderr] 183 |         curr = curr + size;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^ help: replace it with: `curr += size`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: Calling `subsec_millis()` is more concise than this calculation
[INFO] [stderr]    --> src/main.rs:197:9
[INFO] [stderr]     |
[INFO] [stderr] 197 |         d.subsec_nanos() / 1_000_000
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `d.subsec_millis()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::duration_subsec)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/main.rs:210:28
[INFO] [stderr]     |
[INFO] [stderr] 210 | fn k3_free(g: &Graph, col: &Edge) -> bool {
[INFO] [stderr]     |                            ^^^^^ help: consider passing by value instead: `Edge`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/main.rs:226:28
[INFO] [stderr]     |
[INFO] [stderr] 226 | fn k4_free(g: &Graph, col: &Edge) -> bool {
[INFO] [stderr]     |                            ^^^^^ help: consider passing by value instead: `Edge`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/main.rs:251:28
[INFO] [stderr]     |
[INFO] [stderr] 251 | fn k5_free(g: &Graph, col: &Edge) -> bool {
[INFO] [stderr]     |                            ^^^^^ help: consider passing by value instead: `Edge`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rusty_ramsey`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "329046addb5c24143430e6a04042ed9253aefed050a0422ab3dc2753b57936b4"`
[INFO] running `"docker" "rm" "-f" "329046addb5c24143430e6a04042ed9253aefed050a0422ab3dc2753b57936b4"`
[INFO] [stdout] 329046addb5c24143430e6a04042ed9253aefed050a0422ab3dc2753b57936b4