[INFO] cloning repository https://github.com/runcom/adventofcode2021-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/runcom/adventofcode2021-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruncom%2Fadventofcode2021-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruncom%2Fadventofcode2021-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33c0e27d61d7696050312432ff36b5ceb67b017d
[INFO] linting runcom/adventofcode2021-rs against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruncom%2Fadventofcode2021-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/runcom/adventofcode2021-rs
[INFO] finished tweaking git repo https://github.com/runcom/adventofcode2021-rs
[INFO] tweaked toml for git repo https://github.com/runcom/adventofcode2021-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/runcom/adventofcode2021-rs on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/runcom/adventofcode2021-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b47dd474ce8ce4fb2f4b1db817caa66a07502749a609f3a7e0ed176c3791b9f6
[INFO] running `Command { std: "docker" "start" "-a" "b47dd474ce8ce4fb2f4b1db817caa66a07502749a609f3a7e0ed176c3791b9f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b47dd474ce8ce4fb2f4b1db817caa66a07502749a609f3a7e0ed176c3791b9f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b47dd474ce8ce4fb2f4b1db817caa66a07502749a609f3a7e0ed176c3791b9f6", kill_on_drop: false }`
[INFO] [stdout] b47dd474ce8ce4fb2f4b1db817caa66a07502749a609f3a7e0ed176c3791b9f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 255999310beb6d14dc41ad85c2f80088d071608be9735f910d6c39b2f6e84fc3
[INFO] running `Command { std: "docker" "start" "-a" "255999310beb6d14dc41ad85c2f80088d071608be9735f910d6c39b2f6e84fc3", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking day3 v0.1.0 (/opt/rustwide/workdir/day3)
[INFO] [stderr]     Checking day5 v0.1.0 (/opt/rustwide/workdir/day5)
[INFO] [stderr]     Checking day1 v0.1.0 (/opt/rustwide/workdir/day1)
[INFO] [stderr]     Checking day4 v0.1.0 (/opt/rustwide/workdir/day4)
[INFO] [stderr]     Checking day2 v0.1.0 (/opt/rustwide/workdir/day2)
[INFO] [stdout] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stdout]   --> day4/src/main.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut boards: Vec<(Vec<Vec<(i32, bool)>>, bool)> = Vec::new();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stdout]    = note: `#[warn(clippy::type_complexity)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]   --> day4/src/main.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |         if card != "" {
[INFO] [stdout]    |            ^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!card.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[INFO] [stdout]    = note: `#[warn(clippy::comparison_to_empty)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> day4/src/main.rs:28:16
[INFO] [stdout]    |
[INFO] [stdout] 28 |             if board.len() == 0 {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `board.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec`
[INFO] [stdout]   --> day4/src/main.rs:75:20
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let r = hm.into_iter().filter(|(_, v)| *v == true).count();
[INFO] [stdout]    |                    ^^^^^^^^^ help: call directly: `iter`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stdout]    = note: `#[warn(clippy::into_iter_on_ref)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against true are unnecessary
[INFO] [stdout]   --> day4/src/main.rs:75:48
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let r = hm.into_iter().filter(|(_, v)| *v == true).count();
[INFO] [stdout]    |                                                ^^^^^^^^^^ help: try: `*v`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout]    = note: `#[warn(clippy::bool_comparison)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec`
[INFO] [stdout]   --> day4/src/main.rs:82:18
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 .into_iter()
[INFO] [stdout]    |                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against false can be replaced by a negation
[INFO] [stdout]   --> day4/src/main.rs:83:34
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 .filter(|(_, v)| *v == false)
[INFO] [stdout]    |                                  ^^^^^^^^^^^ help: try: `!*v`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> day4/src/main.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             sum = sum + s;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: replace it with: `sum += s`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day4/src/main.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let r = check(&hmv, n);
[INFO] [stdout]    |                   ^^^^ help: change this to: `hmv`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is used to index `t`
[INFO] [stdout]    --> day4/src/main.rs:103:14
[INFO] [stdout]     |
[INFO] [stdout] 103 |     for j in 0..hmv.len() {
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]     = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]     |
[INFO] [stdout] 103 -     for j in 0..hmv.len() {
[INFO] [stdout] 103 +     for (j, <item>) in t.iter_mut().enumerate().take(hmv.len()) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec`
[INFO] [stdout]    --> day4/src/main.rs:105:58
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let (k, v) = hmv.into_iter().nth(i).unwrap().into_iter().nth(j).unwrap();
[INFO] [stdout]     |                                                          ^^^^^^^^^ help: call directly: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec`
[INFO] [stdout]    --> day4/src/main.rs:105:30
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let (k, v) = hmv.into_iter().nth(i).unwrap().into_iter().nth(j).unwrap();
[INFO] [stdout]     |                              ^^^^^^^^^ help: call directly: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> day3/src/main.rs:29:64
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let epsilon_rate_v: Vec<i32> = gamma_rate_v.iter().map(|v| (1 - v)).collect();
[INFO] [stdout]    |                                                                ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -     let epsilon_rate_v: Vec<i32> = gamma_rate_v.iter().map(|v| (1 - v)).collect();
[INFO] [stdout] 29 +     let epsilon_rate_v: Vec<i32> = gamma_rate_v.iter().map(|v| 1 - v ).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> day3/src/main.rs:29:64
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let epsilon_rate_v: Vec<i32> = gamma_rate_v.iter().map(|v| (1 - v)).collect();
[INFO] [stdout]    |                                                                ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -     let epsilon_rate_v: Vec<i32> = gamma_rate_v.iter().map(|v| (1 - v)).collect();
[INFO] [stdout] 29 +     let epsilon_rate_v: Vec<i32> = gamma_rate_v.iter().map(|v| 1 - v ).collect();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> day2/src/main.rs:16:26
[INFO] [stdout]    |
[INFO] [stdout] 16 |             "forward" => h = h + x,
[INFO] [stdout]    |                          ^^^^^^^^^ help: replace it with: `h += x`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> day2/src/main.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |             "down" => d = d + x,
[INFO] [stdout]    |                       ^^^^^^^^^ help: replace it with: `d += x`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> day2/src/main.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |             "up" => d = d - x,
[INFO] [stdout]    |                     ^^^^^^^^^ help: replace it with: `d -= x`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> day3/src/main.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |         if tmp.len() == 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `tmp.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> day3/src/main.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |         if tmp.len() == 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `tmp.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> day3/src/main.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |         if tmp.len() == 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `tmp.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> day3/src/main.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |         if tmp.len() == 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `tmp.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stdout]   --> day5/src/main.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let equal_x_entries: Vec<&((i32, i32), (i32, i32))> =
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stdout]    = note: `#[warn(clippy::type_complexity)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]   --> day5/src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 | /             if coordinates.contains_key(&c) {
[INFO] [stdout] 46 | |                 let count = coordinates.entry(c).or_default();
[INFO] [stdout] 47 | |                 if *count == 2 {
[INFO] [stdout] 48 | |                     continue;
[INFO] [stdout] ...  |
[INFO] [stdout] 53 | |                 coordinates.insert(c, 1);
[INFO] [stdout] 54 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout]    = note: `#[warn(clippy::map_entry)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 45 ~             if let std::collections::hash_map::Entry::Vacant(e) = coordinates.entry(c) {
[INFO] [stdout] 46 +                 e.insert(1);
[INFO] [stdout] 47 +             } else {
[INFO] [stdout] 48 +                 let count = coordinates.entry(c).or_default();
[INFO] [stdout] 49 +                 if *count == 2 {
[INFO] [stdout] 50 +                     continue;
[INFO] [stdout] 51 +                 }
[INFO] [stdout] 52 +                 *count += 1;
[INFO] [stdout] 53 +                 overlapping_coordinates += 1;
[INFO] [stdout] 54 +             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stdout]   --> day5/src/main.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let equal_y_entries: Vec<&((i32, i32), (i32, i32))> =
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> day2/src/main.rs:16:26
[INFO] [stdout]    |
[INFO] [stdout] 16 |             "forward" => h = h + x,
[INFO] [stdout]    |                          ^^^^^^^^^ help: replace it with: `h += x`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> day2/src/main.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |             "down" => d = d + x,
[INFO] [stdout]    |                       ^^^^^^^^^ help: replace it with: `d += x`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]   --> day5/src/main.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 | /             if coordinates.contains_key(&c) {
[INFO] [stdout] 74 | |                 let count = coordinates.entry(c).or_default();
[INFO] [stdout] 75 | |                 if *count == 2 {
[INFO] [stdout] 76 | |                     continue;
[INFO] [stdout] ...  |
[INFO] [stdout] 81 | |                 coordinates.insert(c, 1);
[INFO] [stdout] 82 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 73 ~             if let std::collections::hash_map::Entry::Vacant(e) = coordinates.entry(c) {
[INFO] [stdout] 74 +                 e.insert(1);
[INFO] [stdout] 75 +             } else {
[INFO] [stdout] 76 +                 let count = coordinates.entry(c).or_default();
[INFO] [stdout] 77 +                 if *count == 2 {
[INFO] [stdout] 78 +                     continue;
[INFO] [stdout] 79 +                 }
[INFO] [stdout] 80 +                 *count += 1;
[INFO] [stdout] 81 +                 overlapping_coordinates += 1;
[INFO] [stdout] 82 +             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> day2/src/main.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |             "up" => d = d - x,
[INFO] [stdout]    |                     ^^^^^^^^^ help: replace it with: `d -= x`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stdout]   --> day5/src/main.rs:86:20
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let diagonals: Vec<&((i32, i32), (i32, i32))> = entries
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> day5/src/main.rs:88:21
[INFO] [stdout]    |
[INFO] [stdout] 88 |         .filter(|e| !(e.0 .1 == e.1 .1) && !(e.0 .0 == e.1 .0))
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^ help: try: `(e.0 .1 != e.1 .1)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> day5/src/main.rs:88:44
[INFO] [stdout]    |
[INFO] [stdout] 88 |         .filter(|e| !(e.0 .1 == e.1 .1) && !(e.0 .0 == e.1 .0))
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^ help: try: `(e.0 .0 != e.1 .0)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stdout]   --> day5/src/main.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let equal_x_entries: Vec<&((i32, i32), (i32, i32))> =
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stdout]    = note: `#[warn(clippy::type_complexity)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]    --> day5/src/main.rs:93:13
[INFO] [stdout]     |
[INFO] [stdout]  93 | /             if coordinates.contains_key(&c) {
[INFO] [stdout]  94 | |                 let count = coordinates.entry(c).or_default();
[INFO] [stdout]  95 | |                 if *count != 2 {
[INFO] [stdout]  96 | |                     *count += 1;
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |                 coordinates.insert(c, 1);
[INFO] [stdout] 101 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout]  93 ~             if let std::collections::hash_map::Entry::Vacant(e) = coordinates.entry(c) {
[INFO] [stdout]  94 +                 e.insert(1);
[INFO] [stdout]  95 +             } else {
[INFO] [stdout]  96 +                 let count = coordinates.entry(c).or_default();
[INFO] [stdout]  97 +                 if *count != 2 {
[INFO] [stdout]  98 +                     *count += 1;
[INFO] [stdout]  99 +                     overlapping_coordinates += 1;
[INFO] [stdout] 100 +                 }
[INFO] [stdout] 101 +             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]    --> day5/src/main.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 | /                 if coordinates.contains_key(&c) {
[INFO] [stdout] 107 | |                     let count = coordinates.entry(c).or_default();
[INFO] [stdout] 108 | |                     if *count == 2 {
[INFO] [stdout] 109 | |                         continue;
[INFO] [stdout] ...   |
[INFO] [stdout] 114 | |                     coordinates.insert(c, 1);
[INFO] [stdout] 115 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 106 ~                 if let std::collections::hash_map::Entry::Vacant(e) = coordinates.entry(c) {
[INFO] [stdout] 107 +                     e.insert(1);
[INFO] [stdout] 108 +                 } else {
[INFO] [stdout] 109 +                     let count = coordinates.entry(c).or_default();
[INFO] [stdout] 110 +                     if *count == 2 {
[INFO] [stdout] 111 +                         continue;
[INFO] [stdout] 112 +                     }
[INFO] [stdout] 113 +                     *count += 1;
[INFO] [stdout] 114 +                     overlapping_coordinates += 1;
[INFO] [stdout] 115 +                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]    --> day5/src/main.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 | /             if coordinates.contains_key(&c) {
[INFO] [stdout] 121 | |                 let count = coordinates.entry(c).or_default();
[INFO] [stdout] 122 | |                 if *count != 2 {
[INFO] [stdout] 123 | |                     *count += 1;
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |                 coordinates.insert(c, 1);
[INFO] [stdout] 128 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 120 ~             if let std::collections::hash_map::Entry::Vacant(e) = coordinates.entry(c) {
[INFO] [stdout] 121 +                 e.insert(1);
[INFO] [stdout] 122 +             } else {
[INFO] [stdout] 123 +                 let count = coordinates.entry(c).or_default();
[INFO] [stdout] 124 +                 if *count != 2 {
[INFO] [stdout] 125 +                     *count += 1;
[INFO] [stdout] 126 +                     overlapping_coordinates += 1;
[INFO] [stdout] 127 +                 }
[INFO] [stdout] 128 +             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]    --> day5/src/main.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 | /                 if coordinates.contains_key(&c) {
[INFO] [stdout] 134 | |                     let count = coordinates.entry(c).or_default();
[INFO] [stdout] 135 | |                     if *count == 2 {
[INFO] [stdout] 136 | |                         continue;
[INFO] [stdout] ...   |
[INFO] [stdout] 141 | |                     coordinates.insert(c, 1);
[INFO] [stdout] 142 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 133 ~                 if let std::collections::hash_map::Entry::Vacant(e) = coordinates.entry(c) {
[INFO] [stdout] 134 +                     e.insert(1);
[INFO] [stdout] 135 +                 } else {
[INFO] [stdout] 136 +                     let count = coordinates.entry(c).or_default();
[INFO] [stdout] 137 +                     if *count == 2 {
[INFO] [stdout] 138 +                         continue;
[INFO] [stdout] 139 +                     }
[INFO] [stdout] 140 +                     *count += 1;
[INFO] [stdout] 141 +                     overlapping_coordinates += 1;
[INFO] [stdout] 142 +                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stdout]   --> day4/src/main.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut boards: Vec<(Vec<Vec<(i32, bool)>>, bool)> = Vec::new();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stdout]    = note: `#[warn(clippy::type_complexity)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]   --> day4/src/main.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |         if card != "" {
[INFO] [stdout]    |            ^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!card.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[INFO] [stdout]    = note: `#[warn(clippy::comparison_to_empty)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> day4/src/main.rs:28:16
[INFO] [stdout]    |
[INFO] [stdout] 28 |             if board.len() == 0 {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `board.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]    --> day5/src/main.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 | /             if coordinates.contains_key(&c) {
[INFO] [stdout] 148 | |                 let count = coordinates.entry(c).or_default();
[INFO] [stdout] 149 | |                 if *count != 2 {
[INFO] [stdout] 150 | |                     *count += 1;
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | |                 coordinates.insert(c, 1);
[INFO] [stdout] 155 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 147 ~             if let std::collections::hash_map::Entry::Vacant(e) = coordinates.entry(c) {
[INFO] [stdout] 148 +                 e.insert(1);
[INFO] [stdout] 149 +             } else {
[INFO] [stdout] 150 +                 let count = coordinates.entry(c).or_default();
[INFO] [stdout] 151 +                 if *count != 2 {
[INFO] [stdout] 152 +                     *count += 1;
[INFO] [stdout] 153 +                     overlapping_coordinates += 1;
[INFO] [stdout] 154 +                 }
[INFO] [stdout] 155 +             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]    --> day5/src/main.rs:161:17
[INFO] [stdout]     |
[INFO] [stdout] 161 | /                 if coordinates.contains_key(&c) {
[INFO] [stdout] 162 | |                     let count = coordinates.entry(c).or_default();
[INFO] [stdout] 163 | |                     if *count == 2 {
[INFO] [stdout] 164 | |                         continue;
[INFO] [stdout] ...   |
[INFO] [stdout] 169 | |                     coordinates.insert(c, 1);
[INFO] [stdout] 170 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 161 ~                 if let std::collections::hash_map::Entry::Vacant(e) = coordinates.entry(c) {
[INFO] [stdout] 162 +                     e.insert(1);
[INFO] [stdout] 163 +                 } else {
[INFO] [stdout] 164 +                     let count = coordinates.entry(c).or_default();
[INFO] [stdout] 165 +                     if *count == 2 {
[INFO] [stdout] 166 +                         continue;
[INFO] [stdout] 167 +                     }
[INFO] [stdout] 168 +                     *count += 1;
[INFO] [stdout] 169 +                     overlapping_coordinates += 1;
[INFO] [stdout] 170 +                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]    --> day5/src/main.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 | /             if coordinates.contains_key(&c) {
[INFO] [stdout] 176 | |                 let count = coordinates.entry(c).or_default();
[INFO] [stdout] 177 | |                 if *count != 2 {
[INFO] [stdout] 178 | |                     *count += 1;
[INFO] [stdout] ...   |
[INFO] [stdout] 182 | |                 coordinates.insert(c, 1);
[INFO] [stdout] 183 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 175 ~             if let std::collections::hash_map::Entry::Vacant(e) = coordinates.entry(c) {
[INFO] [stdout] 176 +                 e.insert(1);
[INFO] [stdout] 177 +             } else {
[INFO] [stdout] 178 +                 let count = coordinates.entry(c).or_default();
[INFO] [stdout] 179 +                 if *count != 2 {
[INFO] [stdout] 180 +                     *count += 1;
[INFO] [stdout] 181 +                     overlapping_coordinates += 1;
[INFO] [stdout] 182 +                 }
[INFO] [stdout] 183 +             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]    --> day5/src/main.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 | /                 if coordinates.contains_key(&c) {
[INFO] [stdout] 190 | |                     let count = coordinates.entry(c).or_default();
[INFO] [stdout] 191 | |                     if *count == 2 {
[INFO] [stdout] 192 | |                         continue;
[INFO] [stdout] ...   |
[INFO] [stdout] 197 | |                     coordinates.insert(c, 1);
[INFO] [stdout] 198 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 189 ~                 if let std::collections::hash_map::Entry::Vacant(e) = coordinates.entry(c) {
[INFO] [stdout] 190 +                     e.insert(1);
[INFO] [stdout] 191 +                 } else {
[INFO] [stdout] 192 +                     let count = coordinates.entry(c).or_default();
[INFO] [stdout] 193 +                     if *count == 2 {
[INFO] [stdout] 194 +                         continue;
[INFO] [stdout] 195 +                     }
[INFO] [stdout] 196 +                     *count += 1;
[INFO] [stdout] 197 +                     overlapping_coordinates += 1;
[INFO] [stdout] 198 +                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec`
[INFO] [stdout]   --> day4/src/main.rs:75:20
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let r = hm.into_iter().filter(|(_, v)| *v == true).count();
[INFO] [stdout]    |                    ^^^^^^^^^ help: call directly: `iter`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stdout]    = note: `#[warn(clippy::into_iter_on_ref)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against true are unnecessary
[INFO] [stdout]   --> day4/src/main.rs:75:48
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let r = hm.into_iter().filter(|(_, v)| *v == true).count();
[INFO] [stdout]    |                                                ^^^^^^^^^^ help: try: `*v`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout]    = note: `#[warn(clippy::bool_comparison)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec`
[INFO] [stdout]   --> day4/src/main.rs:82:18
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 .into_iter()
[INFO] [stdout]    |                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against false can be replaced by a negation
[INFO] [stdout]   --> day4/src/main.rs:83:34
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 .filter(|(_, v)| *v == false)
[INFO] [stdout]    |                                  ^^^^^^^^^^^ help: try: `!*v`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> day4/src/main.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             sum = sum + s;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: replace it with: `sum += s`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> day4/src/main.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let r = check(&hmv, n);
[INFO] [stdout]    |                   ^^^^ help: change this to: `hmv`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is used to index `t`
[INFO] [stdout]    --> day4/src/main.rs:103:14
[INFO] [stdout]     |
[INFO] [stdout] 103 |     for j in 0..hmv.len() {
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]     = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]     |
[INFO] [stdout] 103 -     for j in 0..hmv.len() {
[INFO] [stdout] 103 +     for (j, <item>) in t.iter_mut().enumerate().take(hmv.len()) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec`
[INFO] [stdout]    --> day4/src/main.rs:105:58
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let (k, v) = hmv.into_iter().nth(i).unwrap().into_iter().nth(j).unwrap();
[INFO] [stdout]     |                                                          ^^^^^^^^^ help: call directly: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]   --> day5/src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 | /             if coordinates.contains_key(&c) {
[INFO] [stdout] 46 | |                 let count = coordinates.entry(c).or_default();
[INFO] [stdout] 47 | |                 if *count == 2 {
[INFO] [stdout] 48 | |                     continue;
[INFO] [stdout] ...  |
[INFO] [stdout] 53 | |                 coordinates.insert(c, 1);
[INFO] [stdout] 54 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout]    = note: `#[warn(clippy::map_entry)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 45 ~             if let std::collections::hash_map::Entry::Vacant(e) = coordinates.entry(c) {
[INFO] [stdout] 46 +                 e.insert(1);
[INFO] [stdout] 47 +             } else {
[INFO] [stdout] 48 +                 let count = coordinates.entry(c).or_default();
[INFO] [stdout] 49 +                 if *count == 2 {
[INFO] [stdout] 50 +                     continue;
[INFO] [stdout] 51 +                 }
[INFO] [stdout] 52 +                 *count += 1;
[INFO] [stdout] 53 +                 overlapping_coordinates += 1;
[INFO] [stdout] 54 +             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.into_iter()` call is equivalent to `.iter()` and will not consume the `Vec`
[INFO] [stdout]    --> day4/src/main.rs:105:30
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let (k, v) = hmv.into_iter().nth(i).unwrap().into_iter().nth(j).unwrap();
[INFO] [stdout]     |                              ^^^^^^^^^ help: call directly: `iter`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stdout]   --> day5/src/main.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let equal_y_entries: Vec<&((i32, i32), (i32, i32))> =
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]   --> day5/src/main.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 | /             if coordinates.contains_key(&c) {
[INFO] [stdout] 74 | |                 let count = coordinates.entry(c).or_default();
[INFO] [stdout] 75 | |                 if *count == 2 {
[INFO] [stdout] 76 | |                     continue;
[INFO] [stdout] ...  |
[INFO] [stdout] 81 | |                 coordinates.insert(c, 1);
[INFO] [stdout] 82 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 73 ~             if let std::collections::hash_map::Entry::Vacant(e) = coordinates.entry(c) {
[INFO] [stdout] 74 +                 e.insert(1);
[INFO] [stdout] 75 +             } else {
[INFO] [stdout] 76 +                 let count = coordinates.entry(c).or_default();
[INFO] [stdout] 77 +                 if *count == 2 {
[INFO] [stdout] 78 +                     continue;
[INFO] [stdout] 79 +                 }
[INFO] [stdout] 80 +                 *count += 1;
[INFO] [stdout] 81 +                 overlapping_coordinates += 1;
[INFO] [stdout] 82 +             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stdout]   --> day5/src/main.rs:86:20
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let diagonals: Vec<&((i32, i32), (i32, i32))> = entries
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> day5/src/main.rs:88:21
[INFO] [stdout]    |
[INFO] [stdout] 88 |         .filter(|e| !(e.0 .1 == e.1 .1) && !(e.0 .0 == e.1 .0))
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^ help: try: `(e.0 .1 != e.1 .1)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> day5/src/main.rs:88:44
[INFO] [stdout]    |
[INFO] [stdout] 88 |         .filter(|e| !(e.0 .1 == e.1 .1) && !(e.0 .0 == e.1 .0))
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^ help: try: `(e.0 .0 != e.1 .0)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]    --> day5/src/main.rs:93:13
[INFO] [stdout]     |
[INFO] [stdout]  93 | /             if coordinates.contains_key(&c) {
[INFO] [stdout]  94 | |                 let count = coordinates.entry(c).or_default();
[INFO] [stdout]  95 | |                 if *count != 2 {
[INFO] [stdout]  96 | |                     *count += 1;
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |                 coordinates.insert(c, 1);
[INFO] [stdout] 101 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout]  93 ~             if let std::collections::hash_map::Entry::Vacant(e) = coordinates.entry(c) {
[INFO] [stdout]  94 +                 e.insert(1);
[INFO] [stdout]  95 +             } else {
[INFO] [stdout]  96 +                 let count = coordinates.entry(c).or_default();
[INFO] [stdout]  97 +                 if *count != 2 {
[INFO] [stdout]  98 +                     *count += 1;
[INFO] [stdout]  99 +                     overlapping_coordinates += 1;
[INFO] [stdout] 100 +                 }
[INFO] [stdout] 101 +             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]    --> day5/src/main.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 | /                 if coordinates.contains_key(&c) {
[INFO] [stdout] 107 | |                     let count = coordinates.entry(c).or_default();
[INFO] [stdout] 108 | |                     if *count == 2 {
[INFO] [stdout] 109 | |                         continue;
[INFO] [stdout] ...   |
[INFO] [stdout] 114 | |                     coordinates.insert(c, 1);
[INFO] [stdout] 115 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 106 ~                 if let std::collections::hash_map::Entry::Vacant(e) = coordinates.entry(c) {
[INFO] [stdout] 107 +                     e.insert(1);
[INFO] [stdout] 108 +                 } else {
[INFO] [stdout] 109 +                     let count = coordinates.entry(c).or_default();
[INFO] [stdout] 110 +                     if *count == 2 {
[INFO] [stdout] 111 +                         continue;
[INFO] [stdout] 112 +                     }
[INFO] [stdout] 113 +                     *count += 1;
[INFO] [stdout] 114 +                     overlapping_coordinates += 1;
[INFO] [stdout] 115 +                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]    --> day5/src/main.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 | /             if coordinates.contains_key(&c) {
[INFO] [stdout] 121 | |                 let count = coordinates.entry(c).or_default();
[INFO] [stdout] 122 | |                 if *count != 2 {
[INFO] [stdout] 123 | |                     *count += 1;
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |                 coordinates.insert(c, 1);
[INFO] [stdout] 128 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 120 ~             if let std::collections::hash_map::Entry::Vacant(e) = coordinates.entry(c) {
[INFO] [stdout] 121 +                 e.insert(1);
[INFO] [stdout] 122 +             } else {
[INFO] [stdout] 123 +                 let count = coordinates.entry(c).or_default();
[INFO] [stdout] 124 +                 if *count != 2 {
[INFO] [stdout] 125 +                     *count += 1;
[INFO] [stdout] 126 +                     overlapping_coordinates += 1;
[INFO] [stdout] 127 +                 }
[INFO] [stdout] 128 +             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]    --> day5/src/main.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 | /                 if coordinates.contains_key(&c) {
[INFO] [stdout] 134 | |                     let count = coordinates.entry(c).or_default();
[INFO] [stdout] 135 | |                     if *count == 2 {
[INFO] [stdout] 136 | |                         continue;
[INFO] [stdout] ...   |
[INFO] [stdout] 141 | |                     coordinates.insert(c, 1);
[INFO] [stdout] 142 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 133 ~                 if let std::collections::hash_map::Entry::Vacant(e) = coordinates.entry(c) {
[INFO] [stdout] 134 +                     e.insert(1);
[INFO] [stdout] 135 +                 } else {
[INFO] [stdout] 136 +                     let count = coordinates.entry(c).or_default();
[INFO] [stdout] 137 +                     if *count == 2 {
[INFO] [stdout] 138 +                         continue;
[INFO] [stdout] 139 +                     }
[INFO] [stdout] 140 +                     *count += 1;
[INFO] [stdout] 141 +                     overlapping_coordinates += 1;
[INFO] [stdout] 142 +                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]    --> day5/src/main.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 | /             if coordinates.contains_key(&c) {
[INFO] [stdout] 148 | |                 let count = coordinates.entry(c).or_default();
[INFO] [stdout] 149 | |                 if *count != 2 {
[INFO] [stdout] 150 | |                     *count += 1;
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | |                 coordinates.insert(c, 1);
[INFO] [stdout] 155 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 147 ~             if let std::collections::hash_map::Entry::Vacant(e) = coordinates.entry(c) {
[INFO] [stdout] 148 +                 e.insert(1);
[INFO] [stdout] 149 +             } else {
[INFO] [stdout] 150 +                 let count = coordinates.entry(c).or_default();
[INFO] [stdout] 151 +                 if *count != 2 {
[INFO] [stdout] 152 +                     *count += 1;
[INFO] [stdout] 153 +                     overlapping_coordinates += 1;
[INFO] [stdout] 154 +                 }
[INFO] [stdout] 155 +             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]    --> day5/src/main.rs:161:17
[INFO] [stdout]     |
[INFO] [stdout] 161 | /                 if coordinates.contains_key(&c) {
[INFO] [stdout] 162 | |                     let count = coordinates.entry(c).or_default();
[INFO] [stdout] 163 | |                     if *count == 2 {
[INFO] [stdout] 164 | |                         continue;
[INFO] [stdout] ...   |
[INFO] [stdout] 169 | |                     coordinates.insert(c, 1);
[INFO] [stdout] 170 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 161 ~                 if let std::collections::hash_map::Entry::Vacant(e) = coordinates.entry(c) {
[INFO] [stdout] 162 +                     e.insert(1);
[INFO] [stdout] 163 +                 } else {
[INFO] [stdout] 164 +                     let count = coordinates.entry(c).or_default();
[INFO] [stdout] 165 +                     if *count == 2 {
[INFO] [stdout] 166 +                         continue;
[INFO] [stdout] 167 +                     }
[INFO] [stdout] 168 +                     *count += 1;
[INFO] [stdout] 169 +                     overlapping_coordinates += 1;
[INFO] [stdout] 170 +                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]    --> day5/src/main.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 | /             if coordinates.contains_key(&c) {
[INFO] [stdout] 176 | |                 let count = coordinates.entry(c).or_default();
[INFO] [stdout] 177 | |                 if *count != 2 {
[INFO] [stdout] 178 | |                     *count += 1;
[INFO] [stdout] ...   |
[INFO] [stdout] 182 | |                 coordinates.insert(c, 1);
[INFO] [stdout] 183 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 175 ~             if let std::collections::hash_map::Entry::Vacant(e) = coordinates.entry(c) {
[INFO] [stdout] 176 +                 e.insert(1);
[INFO] [stdout] 177 +             } else {
[INFO] [stdout] 178 +                 let count = coordinates.entry(c).or_default();
[INFO] [stdout] 179 +                 if *count != 2 {
[INFO] [stdout] 180 +                     *count += 1;
[INFO] [stdout] 181 +                     overlapping_coordinates += 1;
[INFO] [stdout] 182 +                 }
[INFO] [stdout] 183 +             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stdout]    --> day5/src/main.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 | /                 if coordinates.contains_key(&c) {
[INFO] [stdout] 190 | |                     let count = coordinates.entry(c).or_default();
[INFO] [stdout] 191 | |                     if *count == 2 {
[INFO] [stdout] 192 | |                         continue;
[INFO] [stdout] ...   |
[INFO] [stdout] 197 | |                     coordinates.insert(c, 1);
[INFO] [stdout] 198 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 189 ~                 if let std::collections::hash_map::Entry::Vacant(e) = coordinates.entry(c) {
[INFO] [stdout] 190 +                     e.insert(1);
[INFO] [stdout] 191 +                 } else {
[INFO] [stdout] 192 +                     let count = coordinates.entry(c).or_default();
[INFO] [stdout] 193 +                     if *count == 2 {
[INFO] [stdout] 194 +                         continue;
[INFO] [stdout] 195 +                     }
[INFO] [stdout] 196 +                     *count += 1;
[INFO] [stdout] 197 +                     overlapping_coordinates += 1;
[INFO] [stdout] 198 +                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "255999310beb6d14dc41ad85c2f80088d071608be9735f910d6c39b2f6e84fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "255999310beb6d14dc41ad85c2f80088d071608be9735f910d6c39b2f6e84fc3", kill_on_drop: false }`
[INFO] [stdout] 255999310beb6d14dc41ad85c2f80088d071608be9735f910d6c39b2f6e84fc3