[INFO] cloning repository https://github.com/pereman2/advent-2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pereman2/advent-2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpereman2%2Fadvent-2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpereman2%2Fadvent-2024'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6c9aed3e50007371b1979eb7710afdceea05fb9
[INFO] checking pereman2/advent-2024 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpereman2%2Fadvent-2024" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pereman2/advent-2024
[INFO] finished tweaking git repo https://github.com/pereman2/advent-2024
[INFO] tweaked toml for git repo https://github.com/pereman2/advent-2024 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pereman2/advent-2024 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pereman2/advent-2024 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d61e2f10b67fc5032009316cf3a9be856fe093bd13acc9a9578178f415b50c62
[INFO] running `Command { std: "docker" "start" "-a" "d61e2f10b67fc5032009316cf3a9be856fe093bd13acc9a9578178f415b50c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d61e2f10b67fc5032009316cf3a9be856fe093bd13acc9a9578178f415b50c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d61e2f10b67fc5032009316cf3a9be856fe093bd13acc9a9578178f415b50c62", kill_on_drop: false }`
[INFO] [stdout] d61e2f10b67fc5032009316cf3a9be856fe093bd13acc9a9578178f415b50c62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5fb9c6c82c1b7c4370e56fa754841fbb6f87655ccf13423e239fa79138f4c7e
[INFO] running `Command { std: "docker" "start" "-a" "d5fb9c6c82c1b7c4370e56fa754841fbb6f87655ccf13423e239fa79138f4c7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking advent-2024 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `HashMap` and `fmt::Display`
[INFO] [stdout]  --> src/day10.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{HashMap, HashSet},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 3 |     fmt::Display,
[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 imports: `hash::Hash` and `hash::Hasher`
[INFO] [stdout]  --> src/day6.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{hash::Hash, hash::Hasher};
[INFO] [stdout]   |           ^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `day1::*`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use day1::*;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `day11::*`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use day11::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `day2::*`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use day2::*;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `day3::*`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use day3::*;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `day3::*`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use day3::*;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `day5::*`
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use day5::*;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `day6::*`
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use day6::*;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `day7::*`
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use day7::*;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `day8::*`
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | use day8::*;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `day9::*`
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | use day9::*;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `fmt::Display`
[INFO] [stdout]  --> src/day10.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{HashMap, HashSet},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 3 |     fmt::Display,
[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 imports: `hash::Hash` and `hash::Hasher`
[INFO] [stdout]  --> src/day6.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{hash::Hash, hash::Hasher};
[INFO] [stdout]   |           ^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `day11::*`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use day11::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `day3::*`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use day3::*;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day10.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut m = Matrix::new(ar, rows, colsm);
[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/day10.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |     let mut m = Matrix::new(ar, rows, colsm);
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/day11.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     for i in 0..blinks {
[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 variable: `c`
[INFO] [stdout]   --> src/day12.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let c = m.get_copy(i as i64, j as i64);
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/day12.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |             let c = m.get_copy(i as i64, j as i64);
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day2.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut safe = true;
[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/day2.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut tries = 1;
[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/day2.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut tries = 0;
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `safe`
[INFO] [stdout]   --> src/day2.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut safe = true;
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_safe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tries`
[INFO] [stdout]   --> src/day2.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut tries = 1;
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tries`
[INFO] [stdout]   --> src/day2.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut tries = 0;
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day3.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut previous_cursor = parser.pos;
[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/day3.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let mut previous_cursor = parser.pos;
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `n` is never read
[INFO] [stdout]   --> src/day8.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut n = 0;
[INFO] [stdout]    |                 ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 58 |     n = x;
[INFO] [stdout]    |     ----- `n` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `n` is never read
[INFO] [stdout]    --> src/day8.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let mut n = 0;
[INFO] [stdout]     |                 ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 140 |     n = x;
[INFO] [stdout]     |     ----- `n` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day9.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut vv = vec!['.'; 100];
[INFO] [stdout]   |         ----^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vv`
[INFO] [stdout]  --> src/day9.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut vv = vec!['.'; 100];
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_vv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day10.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut m = Matrix::new(ar, rows, colsm);
[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/day10.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |     let mut m = Matrix::new(ar, rows, colsm);
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file` and `mmap` are never read
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct Parser {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 48 |     file: File,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 49 |     mmap: Mmap,
[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/day11.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     for i in 0..blinks {
[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 variable: `c`
[INFO] [stdout]   --> src/day12.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let c = m.get_copy(i as i64, j as i64);
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/day12.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |             let c = m.get_copy(i as i64, j as i64);
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day2.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut safe = true;
[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/day2.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut tries = 1;
[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/day2.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut tries = 0;
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `safe`
[INFO] [stdout]   --> src/day2.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut safe = true;
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_safe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tries`
[INFO] [stdout]   --> src/day2.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut tries = 1;
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tries`
[INFO] [stdout]   --> src/day2.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut tries = 0;
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day3.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut previous_cursor = parser.pos;
[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/day3.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let mut previous_cursor = parser.pos;
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `n` is never read
[INFO] [stdout]   --> src/day8.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut n = 0;
[INFO] [stdout]    |                 ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 58 |     n = x;
[INFO] [stdout]    |     ----- `n` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `n` is never read
[INFO] [stdout]    --> src/day8.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let mut n = 0;
[INFO] [stdout]     |                 ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 140 |     n = x;
[INFO] [stdout]     |     ----- `n` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day9.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut vv = vec!['.'; 100];
[INFO] [stdout]   |         ----^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vv`
[INFO] [stdout]  --> src/day9.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut vv = vec!['.'; 100];
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_vv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file` and `mmap` are never read
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct Parser {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 48 |     file: File,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 49 |     mmap: Mmap,
[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 1.63s
[INFO] running `Command { std: "docker" "inspect" "d5fb9c6c82c1b7c4370e56fa754841fbb6f87655ccf13423e239fa79138f4c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5fb9c6c82c1b7c4370e56fa754841fbb6f87655ccf13423e239fa79138f4c7e", kill_on_drop: false }`
[INFO] [stdout] d5fb9c6c82c1b7c4370e56fa754841fbb6f87655ccf13423e239fa79138f4c7e
