[INFO] updating cached repository keatinge/rust-schedule-optimizer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/keatinge/rust-schedule-optimizer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/keatinge/rust-schedule-optimizer" "work/ex/clippy-test-run/sources/stable/gh/keatinge/rust-schedule-optimizer"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/keatinge/rust-schedule-optimizer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/keatinge/rust-schedule-optimizer" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/keatinge/rust-schedule-optimizer"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/keatinge/rust-schedule-optimizer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 110685c1cdff41914c8ef824555457b549a998da
[INFO] sha for GitHub repo keatinge/rust-schedule-optimizer: 110685c1cdff41914c8ef824555457b549a998da
[INFO] validating manifest of keatinge/rust-schedule-optimizer 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 keatinge/rust-schedule-optimizer 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 keatinge/rust-schedule-optimizer
[INFO] finished frobbing keatinge/rust-schedule-optimizer
[INFO] frobbed toml for keatinge/rust-schedule-optimizer written to work/ex/clippy-test-run/sources/stable/gh/keatinge/rust-schedule-optimizer/Cargo.toml
[INFO] started frobbing keatinge/rust-schedule-optimizer
[INFO] finished frobbing keatinge/rust-schedule-optimizer
[INFO] frobbed toml for keatinge/rust-schedule-optimizer written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/keatinge/rust-schedule-optimizer/Cargo.toml
[INFO] crate keatinge/rust-schedule-optimizer 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 keatinge/rust-schedule-optimizer 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/keatinge/rust-schedule-optimizer:/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] 96190df81b85b3877d2cb2c259dd929dbaabbe93f2ab95bf61e9fcc1d44ae529
[INFO] running `"docker" "start" "-a" "96190df81b85b3877d2cb2c259dd929dbaabbe93f2ab95bf61e9fcc1d44ae529"`
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling string_cache_codegen v0.4.0
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling string_cache v0.6.2
[INFO] [stderr]    Compiling markup5ever v0.3.2
[INFO] [stderr]     Checking html5ever v0.18.0
[INFO] [stderr]     Checking select v0.4.2
[INFO] [stderr]     Checking sched v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:351:9
[INFO] [stderr]     |
[INFO] [stderr] 351 |         s_time: s_time
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: replace it with: `s_time`
[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/main.rs:581:13
[INFO] [stderr]     |
[INFO] [stderr] 581 |             course_num: course_num,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `course_num`
[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/main.rs:351:9
[INFO] [stderr]     |
[INFO] [stderr] 351 |         s_time: s_time
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: replace it with: `s_time`
[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/main.rs:581:13
[INFO] [stderr]     |
[INFO] [stderr] 581 |             course_num: course_num,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `course_num`
[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: unused import: `Equal`
[INFO] [stderr]  --> src/main.rs:5:32
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::cmp::Ordering::{Less, Equal, Greater};
[INFO] [stderr]   |                                ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Attr`, `Predicate`
[INFO] [stderr]  --> src/main.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 | use select::predicate::{Predicate, Attr, Class as HTMLClass, Name, And};
[INFO] [stderr]   |                         ^^^^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         return mb;
[INFO] [stderr]    |         ^^^^^^^^^^ help: remove `return` as shown: `mb`
[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/main.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         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/main.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |         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/main.rs:164:5
[INFO] [stderr]     |
[INFO] [stderr] 164 |     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/main.rs:309:9
[INFO] [stderr]     |
[INFO] [stderr] 309 |         return false; // They are equal
[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/main.rs:433:5
[INFO] [stderr]     |
[INFO] [stderr] 433 |     return days[day as usize]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `days[day as usize]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:598:5
[INFO] [stderr]     |
[INFO] [stderr] 598 |     return courses;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `courses`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:637:5
[INFO] [stderr]     |
[INFO] [stderr] 637 |     return ret;
[INFO] [stderr]     |     ^^^^^^^^^^^ help: remove `return` as shown: `ret`
[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 import: `Equal`
[INFO] [stderr]  --> src/main.rs:5:32
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::cmp::Ordering::{Less, Equal, Greater};
[INFO] [stderr]   |                                ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Attr`, `Predicate`
[INFO] [stderr]  --> src/main.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 | use select::predicate::{Predicate, Attr, Class as HTMLClass, Name, And};
[INFO] [stderr]   |                         ^^^^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         return mb;
[INFO] [stderr]    |         ^^^^^^^^^^ help: remove `return` as shown: `mb`
[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/main.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         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/main.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |         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/main.rs:164:5
[INFO] [stderr]     |
[INFO] [stderr] 164 |     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/main.rs:309:9
[INFO] [stderr]     |
[INFO] [stderr] 309 |         return false; // They are equal
[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/main.rs:433:5
[INFO] [stderr]     |
[INFO] [stderr] 433 |     return days[day as usize]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `days[day as usize]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:598:5
[INFO] [stderr]     |
[INFO] [stderr] 598 |     return courses;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `courses`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:637:5
[INFO] [stderr]     |
[INFO] [stderr] 637 |     return ret;
[INFO] [stderr]     |     ^^^^^^^^^^^ help: remove `return` as shown: `ret`
[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: constant item is never used: `CRN_INDEX`
[INFO] [stderr]   --> src/main.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const CRN_INDEX:usize = 1_usize;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `INSTRUCTOR_INDEX`
[INFO] [stderr]   --> src/main.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const INSTRUCTOR_INDEX:usize = 19_usize;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LOC_INDEX`
[INFO] [stderr]   --> src/main.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | const LOC_INDEX:usize = 21_usize;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Class`
[INFO] [stderr]    --> src/main.rs:120:1
[INFO] [stderr]     |
[INFO] [stderr] 120 | struct Class<'a> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_stack`
[INFO] [stderr]    --> src/main.rs:145:1
[INFO] [stderr]     |
[INFO] [stderr] 145 | fn print_stack(stack: &[&Section]) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:168:33
[INFO] [stderr]     |
[INFO] [stderr] 168 | fn schedule_credit_hours(sched: &Vec<&Section>) -> u32 {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^ help: change this to: `&[&Section]`
[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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:169:26
[INFO] [stderr]     |
[INFO] [stderr] 169 |     sched.iter().map(|s| s.credits as u32 ).sum::<u32>()
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^ help: try: `u32::from(s.credits)`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:172:34
[INFO] [stderr]     |
[INFO] [stderr] 172 | fn schedule_starting_time(sched: &Vec<&Section>) -> u32 {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^ help: change this to: `&[&Section]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:187:28
[INFO] [stderr]     |
[INFO] [stderr] 187 | fn schedule_bs_time(sched: &Vec<&Section>) -> TimeAnalysis {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^ help: change this to: `&[&Section]`
[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: comparison is useless due to type limits
[INFO] [stderr]    --> src/main.rs:196:21
[INFO] [stderr]     |
[INFO] [stderr] 196 |             assert!(day >= 0 && day < 7);
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: this comparison involving the minimum or maximum element for this type contains a case that is always true or always false
[INFO] [stderr]    --> src/main.rs:196:21
[INFO] [stderr]     |
[INFO] [stderr] 196 |             assert!(day >= 0 && day < 7);
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::absurd_extreme_comparisons)] on by default
[INFO] [stderr]     = help: because 0 is the minimum value for this type, this comparison is always true
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#absurd_extreme_comparisons
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:284:13
[INFO] [stderr]     |
[INFO] [stderr] 284 | /             match o {
[INFO] [stderr] 285 | |                 &Less => Greater,
[INFO] [stderr] 286 | |                 &Greater => Less,
[INFO] [stderr] 287 | |                 _=> panic!()
[INFO] [stderr] 288 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 284 |             match *o {
[INFO] [stderr] 285 |                 Less => Greater,
[INFO] [stderr] 286 |                 Greater => Less,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/main.rs:335:5
[INFO] [stderr]     |
[INFO] [stderr] 335 | /     let mut total_score = 0.0 - (dt as f64) - bs_time_penalty - back_to_dorm_count_penalty - back_to_dorm_minutes_penalty;
[INFO] [stderr] 336 | |
[INFO] [stderr] 337 | |
[INFO] [stderr] 338 | |     //TODO
[INFO] [stderr] 339 | |     if credit_hours < 16 || credit_hours > 20 {
[INFO] [stderr] 340 | |         total_score = -std::f64::INFINITY;
[INFO] [stderr] 341 | |     }
[INFO] [stderr]     | |_____^ help: it is more idiomatic to write: `let <mut> total_score = if credit_hours < 16 || credit_hours > 20 { -std::f64::INFINITY } else { 0.0 - (dt as f64) - bs_time_penalty - back_to_dorm_count_penalty - back_to_dorm_minutes_penalty };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:330:27
[INFO] [stderr]     |
[INFO] [stderr] 330 |     let bs_time_penalty = time_analysis.bs_time as f64;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(time_analysis.bs_time)`
[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: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:331:38
[INFO] [stderr]     |
[INFO] [stderr] 331 |     let back_to_dorm_count_penalty = time_analysis.back_to_dorm_count as f64 * 20.0;
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(time_analysis.back_to_dorm_count)`
[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: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:332:40
[INFO] [stderr]     |
[INFO] [stderr] 332 |     let back_to_dorm_minutes_penalty = time_analysis.back_to_dorm_minutes as f64 / 100.0;
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(time_analysis.back_to_dorm_minutes)`
[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: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:335:33
[INFO] [stderr]     |
[INFO] [stderr] 335 |     let mut total_score = 0.0 - (dt as f64) - bs_time_penalty - back_to_dorm_count_penalty - back_to_dorm_minutes_penalty;
[INFO] [stderr]     |                                 ^^^^^^^^^^^ help: try: `f64::from(dt)`
[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: length comparison to zero
[INFO] [stderr]    --> src/main.rs:359:8
[INFO] [stderr]     |
[INFO] [stderr] 359 |     if courses.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `courses.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: length comparison to zero
[INFO] [stderr]    --> src/main.rs:360:12
[INFO] [stderr]     |
[INFO] [stderr] 360 |         if stack.len() != 0 && stack.len() == 4{
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!stack.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: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/main.rs:386:1
[INFO] [stderr]     |
[INFO] [stderr] 386 | / fn get_immediate_inner_text<'a>(n: select::node::Node<'a>) -> Option<&'a str> {
[INFO] [stderr] 387 | |     n.children().next().and_then(|c| {
[INFO] [stderr] 388 | |         c.as_text().and_then(|t| {
[INFO] [stderr] 389 | |             if t.len() == 2 && t.chars().nth(0).unwrap() == NBSP {
[INFO] [stderr] ...   |
[INFO] [stderr] 397 | |
[INFO] [stderr] 398 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CRN_INDEX`
[INFO] [stderr]   --> src/main.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const CRN_INDEX:usize = 1_usize;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `INSTRUCTOR_INDEX`
[INFO] [stderr]   --> src/main.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const INSTRUCTOR_INDEX:usize = 19_usize;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `LOC_INDEX`
[INFO] [stderr]   --> src/main.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | const LOC_INDEX:usize = 21_usize;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Class`
[INFO] [stderr]    --> src/main.rs:120:1
[INFO] [stderr]     |
[INFO] [stderr] 120 | struct Class<'a> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_stack`
[INFO] [stderr]    --> src/main.rs:145:1
[INFO] [stderr]     |
[INFO] [stderr] 145 | fn print_stack(stack: &[&Section]) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:417:9
[INFO] [stderr]     |
[INFO] [stderr] 417 |         hours = hours + 12;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^ help: replace it with: `hours += 12`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:466:33
[INFO] [stderr]     |
[INFO] [stderr] 466 | fn get_time_in_row<'a, 'b>(rows:&'b Vec<select::node::Node<'a>>, row_i:usize) -> Option<Vec<TimeDuration>> {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[select::node::Node<'a>]`
[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: length comparison to zero
[INFO] [stderr]    --> src/main.rs:470:8
[INFO] [stderr]     |
[INFO] [stderr] 470 |     if next_row_tds.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `next_row_tds.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:486:39
[INFO] [stderr]     |
[INFO] [stderr] 486 | fn get_time_continuation<'a, 'b>(rows:&'b Vec<select::node::Node<'a>>, row_i:usize) -> Option<Vec<TimeDuration>> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[select::node::Node<'a>]`
[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: length comparison to zero
[INFO] [stderr]    --> src/main.rs:496:12
[INFO] [stderr]     |
[INFO] [stderr] 496 |         if next_row_tds.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `next_row_tds.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:168:33
[INFO] [stderr]     |
[INFO] [stderr] 168 | fn schedule_credit_hours(sched: &Vec<&Section>) -> u32 {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^ help: change this to: `&[&Section]`
[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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:169:26
[INFO] [stderr]     |
[INFO] [stderr] 169 |     sched.iter().map(|s| s.credits as u32 ).sum::<u32>()
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^ help: try: `u32::from(s.credits)`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:172:34
[INFO] [stderr]     |
[INFO] [stderr] 172 | fn schedule_starting_time(sched: &Vec<&Section>) -> u32 {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^ help: change this to: `&[&Section]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:187:28
[INFO] [stderr]     |
[INFO] [stderr] 187 | fn schedule_bs_time(sched: &Vec<&Section>) -> TimeAnalysis {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^ help: change this to: `&[&Section]`
[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: comparison is useless due to type limits
[INFO] [stderr]    --> src/main.rs:196:21
[INFO] [stderr]     |
[INFO] [stderr] 196 |             assert!(day >= 0 && day < 7);
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: this comparison involving the minimum or maximum element for this type contains a case that is always true or always false
[INFO] [stderr]    --> src/main.rs:196:21
[INFO] [stderr]     |
[INFO] [stderr] 196 |             assert!(day >= 0 && day < 7);
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:529:12
[INFO] [stderr]     |
[INFO] [stderr] 529 |         if tds.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `tds.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]     = note: #[deny(clippy::absurd_extreme_comparisons)] on by default
[INFO] [stderr]     = help: because 0 is the minimum value for this type, this comparison is always true
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#absurd_extreme_comparisons
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:284:13
[INFO] [stderr]     |
[INFO] [stderr] 284 | /             match o {
[INFO] [stderr] 285 | |                 &Less => Greater,
[INFO] [stderr] 286 | |                 &Greater => Less,
[INFO] [stderr] 287 | |                 _=> panic!()
[INFO] [stderr] 288 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 284 |             match *o {
[INFO] [stderr] 285 |                 Less => Greater,
[INFO] [stderr] 286 |                 Greater => Less,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/main.rs:335:5
[INFO] [stderr]     |
[INFO] [stderr] 335 | /     let mut total_score = 0.0 - (dt as f64) - bs_time_penalty - back_to_dorm_count_penalty - back_to_dorm_minutes_penalty;
[INFO] [stderr] 336 | |
[INFO] [stderr] 337 | |
[INFO] [stderr] 338 | |     //TODO
[INFO] [stderr] 339 | |     if credit_hours < 16 || credit_hours > 20 {
[INFO] [stderr] 340 | |         total_score = -std::f64::INFINITY;
[INFO] [stderr] 341 | |     }
[INFO] [stderr]     | |_____^ help: it is more idiomatic to write: `let <mut> total_score = if credit_hours < 16 || credit_hours > 20 { -std::f64::INFINITY } else { 0.0 - (dt as f64) - bs_time_penalty - back_to_dorm_count_penalty - back_to_dorm_minutes_penalty };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:330:27
[INFO] [stderr]     |
[INFO] [stderr] 330 |     let bs_time_penalty = time_analysis.bs_time as f64;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(time_analysis.bs_time)`
[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: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:331:38
[INFO] [stderr]     |
[INFO] [stderr] 331 |     let back_to_dorm_count_penalty = time_analysis.back_to_dorm_count as f64 * 20.0;
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(time_analysis.back_to_dorm_count)`
[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: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:332:40
[INFO] [stderr]     |
[INFO] [stderr] 332 |     let back_to_dorm_minutes_penalty = time_analysis.back_to_dorm_minutes as f64 / 100.0;
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(time_analysis.back_to_dorm_minutes)`
[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: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:335:33
[INFO] [stderr]     |
[INFO] [stderr] 335 |     let mut total_score = 0.0 - (dt as f64) - bs_time_penalty - back_to_dorm_count_penalty - back_to_dorm_minutes_penalty;
[INFO] [stderr]     |                                 ^^^^^^^^^^^ help: try: `f64::from(dt)`
[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: length comparison to zero
[INFO] [stderr]    --> src/main.rs:359:8
[INFO] [stderr]     |
[INFO] [stderr] 359 |     if courses.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `courses.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: the loop variable `i` is used to index `v`
[INFO] [stderr]    --> src/main.rs:628:14
[INFO] [stderr]     |
[INFO] [stderr] 628 |     for i in 0..v.len() {
[INFO] [stderr]     |              ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:360:12
[INFO] [stderr]     |
[INFO] [stderr] 360 |         if stack.len() != 0 && stack.len() == 4{
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!stack.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] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 628 |     for (i, <item>) in v.iter().enumerate() {
[INFO] [stderr]     |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/main.rs:386:1
[INFO] [stderr]     |
[INFO] [stderr] 386 | / fn get_immediate_inner_text<'a>(n: select::node::Node<'a>) -> Option<&'a str> {
[INFO] [stderr] 387 | |     n.children().next().and_then(|c| {
[INFO] [stderr] 388 | |         c.as_text().and_then(|t| {
[INFO] [stderr] 389 | |             if t.len() == 2 && t.chars().nth(0).unwrap() == NBSP {
[INFO] [stderr] ...   |
[INFO] [stderr] 397 | |
[INFO] [stderr] 398 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:417:9
[INFO] [stderr]     |
[INFO] [stderr] 417 |         hours = hours + 12;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^ help: replace it with: `hours += 12`
[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: redundant closure found
[INFO] [stderr]    --> src/main.rs:668:51
[INFO] [stderr]     |
[INFO] [stderr] 668 |     let mut evaluations = results.into_iter().map(|s| evaluate_schedule(s)).collect::<Vec<_>>();
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `evaluate_schedule`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: variable `SHOULD_PRUNE` should have a snake case name such as `should_prune`
[INFO] [stderr]    --> src/main.rs:673:9
[INFO] [stderr]     |
[INFO] [stderr] 673 |     let SHOULD_PRUNE = true;
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:688:5
[INFO] [stderr]     |
[INFO] [stderr] 688 |     file.write_all(full_data.as_bytes());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[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:466:33
[INFO] [stderr]     |
[INFO] [stderr] 466 | fn get_time_in_row<'a, 'b>(rows:&'b Vec<select::node::Node<'a>>, row_i:usize) -> Option<Vec<TimeDuration>> {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[select::node::Node<'a>]`
[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: length comparison to zero
[INFO] [stderr]    --> src/main.rs:470:8
[INFO] [stderr]     |
[INFO] [stderr] 470 |     if next_row_tds.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `next_row_tds.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:486:39
[INFO] [stderr]     |
[INFO] [stderr] 486 | fn get_time_continuation<'a, 'b>(rows:&'b Vec<select::node::Node<'a>>, row_i:usize) -> Option<Vec<TimeDuration>> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[select::node::Node<'a>]`
[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: length comparison to zero
[INFO] [stderr]    --> src/main.rs:496:12
[INFO] [stderr]     |
[INFO] [stderr] 496 |         if next_row_tds.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `next_row_tds.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: length comparison to zero
[INFO] [stderr]    --> src/main.rs:529:12
[INFO] [stderr]     |
[INFO] [stderr] 529 |         if tds.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `tds.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `v`
[INFO] [stderr]    --> src/main.rs:628:14
[INFO] [stderr]     |
[INFO] [stderr] 628 |     for i in 0..v.len() {
[INFO] [stderr]     |              ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 628 |     for (i, <item>) in v.iter().enumerate() {
[INFO] [stderr]     |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/main.rs:668:51
[INFO] [stderr]     |
[INFO] [stderr] 668 |     let mut evaluations = results.into_iter().map(|s| evaluate_schedule(s)).collect::<Vec<_>>();
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `evaluate_schedule`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: variable `SHOULD_PRUNE` should have a snake case name such as `should_prune`
[INFO] [stderr]    --> src/main.rs:673:9
[INFO] [stderr]     |
[INFO] [stderr] 673 |     let SHOULD_PRUNE = true;
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:688:5
[INFO] [stderr]     |
[INFO] [stderr] 688 |     file.write_all(full_data.as_bytes());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `sched`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `sched`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "96190df81b85b3877d2cb2c259dd929dbaabbe93f2ab95bf61e9fcc1d44ae529"`
[INFO] running `"docker" "rm" "-f" "96190df81b85b3877d2cb2c259dd929dbaabbe93f2ab95bf61e9fcc1d44ae529"`
[INFO] [stdout] 96190df81b85b3877d2cb2c259dd929dbaabbe93f2ab95bf61e9fcc1d44ae529