[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#4797991aa2efb6d658150f10425b3f3b5d10eceb for pr-143193 [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 4797991aa2efb6d658150f10425b3f3b5d10eceb [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "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" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d78dd9578fd88f1ce82ed9d468f83df3117acc6b697fc5d80ede4d038ac89ce5 [INFO] running `Command { std: "docker" "start" "-a" "d78dd9578fd88f1ce82ed9d468f83df3117acc6b697fc5d80ede4d038ac89ce5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d78dd9578fd88f1ce82ed9d468f83df3117acc6b697fc5d80ede4d038ac89ce5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d78dd9578fd88f1ce82ed9d468f83df3117acc6b697fc5d80ede4d038ac89ce5", kill_on_drop: false }` [INFO] [stdout] d78dd9578fd88f1ce82ed9d468f83df3117acc6b697fc5d80ede4d038ac89ce5 [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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1a82c1f685b368ec753ee5a0e8cc7ef5927ede09a9f85dd1a6ccff7c34313339 [INFO] running `Command { std: "docker" "start" "-a" "1a82c1f685b368ec753ee5a0e8cc7ef5927ede09a9f85dd1a6ccff7c34313339", 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)]` 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: 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)]` 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: 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)]` 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)]` 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: unused variable: `safe` [INFO] [stdout] --> src/day2.rs:65:17 [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:66:17 [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:78:17 [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/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: 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:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut n = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `n` is never read [INFO] [stdout] --> src/day8.rs:118:13 [INFO] [stdout] | [INFO] [stdout] 118 | let mut n = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vv` [INFO] [stdout] --> src/day9.rs:8:13 [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/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: 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)]` 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)]` 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: 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `safe` [INFO] [stdout] --> src/day2.rs:65:17 [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:66:17 [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:78:17 [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/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: 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:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut n = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `n` is never read [INFO] [stdout] --> src/day8.rs:118:13 [INFO] [stdout] | [INFO] [stdout] 118 | let mut n = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vv` [INFO] [stdout] --> src/day9.rs:8:13 [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/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: 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.65s [INFO] running `Command { std: "docker" "inspect" "1a82c1f685b368ec753ee5a0e8cc7ef5927ede09a9f85dd1a6ccff7c34313339", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a82c1f685b368ec753ee5a0e8cc7ef5927ede09a9f85dd1a6ccff7c34313339", kill_on_drop: false }` [INFO] [stdout] 1a82c1f685b368ec753ee5a0e8cc7ef5927ede09a9f85dd1a6ccff7c34313339