[INFO] cloning repository https://github.com/apjaffe/aoc2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/apjaffe/aoc2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapjaffe%2Faoc2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapjaffe%2Faoc2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02e48ecc5fa7602ff3702fe41c505a4521225adc
[INFO] checking apjaffe/aoc2019 against try#48c9d93cf65d550d124c40108859fd993778c157 for pr-153692-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapjaffe%2Faoc2019" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/apjaffe/aoc2019
[INFO] finished tweaking git repo https://github.com/apjaffe/aoc2019
[INFO] tweaked toml for git repo https://github.com/apjaffe/aoc2019 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/apjaffe/aoc2019 on toolchain 48c9d93cf65d550d124c40108859fd993778c157
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+48c9d93cf65d550d124c40108859fd993778c157" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/apjaffe/aoc2019 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" "+48c9d93cf65d550d124c40108859fd993778c157" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+48c9d93cf65d550d124c40108859fd993778c157" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c255b3fa3091cdfab4d1009d503e6e313b77349c5fe62185a61d0ee301d0611a
[INFO] running `Command { std: "docker" "start" "-a" "c255b3fa3091cdfab4d1009d503e6e313b77349c5fe62185a61d0ee301d0611a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c255b3fa3091cdfab4d1009d503e6e313b77349c5fe62185a61d0ee301d0611a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c255b3fa3091cdfab4d1009d503e6e313b77349c5fe62185a61d0ee301d0611a", kill_on_drop: false }`
[INFO] [stdout] c255b3fa3091cdfab4d1009d503e6e313b77349c5fe62185a61d0ee301d0611a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+48c9d93cf65d550d124c40108859fd993778c157" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a802d437da8873248cb9bd02289d6111746d2364ca6622d3db14300173ce3a86
[INFO] running `Command { std: "docker" "start" "-a" "a802d437da8873248cb9bd02289d6111746d2364ca6622d3db14300173ce3a86", kill_on_drop: false }`
[INFO] [stderr]     Checking aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::identity`
[INFO] [stdout]  --> src/bin/day4-2.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::identity;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/bin/day13-2.rs:23:65
[INFO] [stdout]    |
[INFO] [stdout] 23 |     *self.pixels.iter().filter(|((x,y),v)| **v==pixel).map(|((x,y),v)| x).min().unwrap()
[INFO] [stdout]    |                                                                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/bin/day13-2.rs:23:68
[INFO] [stdout]    |
[INFO] [stdout] 23 |     *self.pixels.iter().filter(|((x,y),v)| **v==pixel).map(|((x,y),v)| x).min().unwrap()
[INFO] [stdout]    |                                                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/bin/day13-2.rs:23:35
[INFO] [stdout]    |
[INFO] [stdout] 23 |     *self.pixels.iter().filter(|((x,y),v)| **v==pixel).map(|((x,y),v)| x).min().unwrap()
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/bin/day13-2.rs:23:37
[INFO] [stdout]    |
[INFO] [stdout] 23 |     *self.pixels.iter().filter(|((x,y),v)| **v==pixel).map(|((x,y),v)| x).min().unwrap()
[INFO] [stdout]    |                                     ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term`
[INFO] [stdout]   --> src/bin/day13-2.rs:25:57
[INFO] [stdout]    |
[INFO] [stdout] 25 |   fn read_frame(self: &mut Screen, comp: &mut Computer, term: &mut Bytes<StdinLock>) -> bool {
[INFO] [stdout]    |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_term`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day13-2.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let mut buffer = fs::read_to_string("inputs/day13").unwrap();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day5.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut comp_cp = comp.clone();
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day13-2.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut stdin = io::stdin();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day13-2.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut reader = stdin.lock();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comp_cp`
[INFO] [stdout]   --> src/bin/day5.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut comp_cp = comp.clone();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comp_cp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dir` is never read
[INFO] [stdout]   --> src/bin/day13-2.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct Screen {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |   dir: i64
[INFO] [stdout]    |   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/day3-2.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for i in 0..len {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::identity`
[INFO] [stdout]  --> src/bin/day4-1.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::identity;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev`
[INFO] [stdout]   --> src/bin/day15.rs:86:26
[INFO] [stdout]    |
[INFO] [stdout] 86 |   while let Some((coord, prev)) = queue.pop_front() {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_prev`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day12-2.rs:85:7
[INFO] [stdout]    |
[INFO] [stdout] 85 |   let mut total = repeats.iter().fold(1, |accum, i| accum * i / calc_gcd(accum, *i));
[INFO] [stdout]    |       ----^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/day15.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     let mut start = Coord {x:0, y:0};
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coord`
[INFO] [stdout]    --> src/bin/day15.rs:144:38
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let target = map.iter().filter(|(coord, typ)| **typ == 2).collect::<Vec<(&Coord, &i64)>>();
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_coord`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Move` is never constructed
[INFO] [stdout]   --> src/bin/day15.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Move {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day5.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut comp_cp = comp.clone();
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comp_cp`
[INFO] [stdout]   --> src/bin/day5.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut comp_cp = comp.clone();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comp_cp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day12-2.rs:85:7
[INFO] [stdout]    |
[INFO] [stdout] 85 |   let mut total = repeats.iter().fold(1, |accum, i| accum * i / calc_gcd(accum, *i));
[INFO] [stdout]    |       ----^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `product` is never read
[INFO] [stdout]  --> src/bin/day14.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Reaction {
[INFO] [stdout]   |        -------- field in this struct
[INFO] [stdout] 6 |   reactants: HashMap<String, i64>,
[INFO] [stdout] 7 |   product: String,
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Reaction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev`
[INFO] [stdout]   --> src/bin/day15.rs:86:26
[INFO] [stdout]    |
[INFO] [stdout] 86 |   while let Some((coord, prev)) = queue.pop_front() {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_prev`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/day3-2.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for i in 0..len {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/day15.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     let mut start = Coord {x:0, y:0};
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coord`
[INFO] [stdout]    --> src/bin/day15.rs:144:38
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let target = map.iter().filter(|(coord, typ)| **typ == 2).collect::<Vec<(&Coord, &i64)>>();
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_coord`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Move` is never constructed
[INFO] [stdout]   --> src/bin/day15.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Move {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::identity`
[INFO] [stdout]  --> src/bin/day4-2.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::identity;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `product` is never read
[INFO] [stdout]  --> src/bin/day14.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Reaction {
[INFO] [stdout]   |        -------- field in this struct
[INFO] [stdout] 6 |   reactants: HashMap<String, i64>,
[INFO] [stdout] 7 |   product: String,
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Reaction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::identity`
[INFO] [stdout]  --> src/bin/day4-1.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::identity;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/bin/day13-2.rs:23:65
[INFO] [stdout]    |
[INFO] [stdout] 23 |     *self.pixels.iter().filter(|((x,y),v)| **v==pixel).map(|((x,y),v)| x).min().unwrap()
[INFO] [stdout]    |                                                                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/bin/day13-2.rs:23:68
[INFO] [stdout]    |
[INFO] [stdout] 23 |     *self.pixels.iter().filter(|((x,y),v)| **v==pixel).map(|((x,y),v)| x).min().unwrap()
[INFO] [stdout]    |                                                                    ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/bin/day13-2.rs:23:35
[INFO] [stdout]    |
[INFO] [stdout] 23 |     *self.pixels.iter().filter(|((x,y),v)| **v==pixel).map(|((x,y),v)| x).min().unwrap()
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/bin/day13-2.rs:23:37
[INFO] [stdout]    |
[INFO] [stdout] 23 |     *self.pixels.iter().filter(|((x,y),v)| **v==pixel).map(|((x,y),v)| x).min().unwrap()
[INFO] [stdout]    |                                     ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term`
[INFO] [stdout]   --> src/bin/day13-2.rs:25:57
[INFO] [stdout]    |
[INFO] [stdout] 25 |   fn read_frame(self: &mut Screen, comp: &mut Computer, term: &mut Bytes<StdinLock>) -> bool {
[INFO] [stdout]    |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_term`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day13-2.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let mut buffer = fs::read_to_string("inputs/day13").unwrap();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day13-2.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut stdin = io::stdin();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day13-2.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut reader = stdin.lock();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dir` is never read
[INFO] [stdout]   --> src/bin/day13-2.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct Screen {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |   dir: i64
[INFO] [stdout]    |   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "a802d437da8873248cb9bd02289d6111746d2364ca6622d3db14300173ce3a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a802d437da8873248cb9bd02289d6111746d2364ca6622d3db14300173ce3a86", kill_on_drop: false }`
[INFO] [stdout] a802d437da8873248cb9bd02289d6111746d2364ca6622d3db14300173ce3a86
