[INFO] cloning repository https://github.com/Hosshii/aoc2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hosshii/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHosshii%2Faoc2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHosshii%2Faoc2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5fbd1c6d39bb5c1ced61e782f7b7e1c7fc61da8
[INFO] testing Hosshii/aoc2021 against 1.94.0 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHosshii%2Faoc2021" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Hosshii/aoc2021
[INFO] finished tweaking git repo https://github.com/Hosshii/aoc2021
[INFO] tweaked toml for git repo https://github.com/Hosshii/aoc2021 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Hosshii/aoc2021 on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Hosshii/aoc2021 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" "+1.94.0" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52a4f4e76467551947c1650568af9c1d0dc8a7e2c1b625db3ad5979254f2cd2d
[INFO] running `Command { std: "docker" "start" "-a" "52a4f4e76467551947c1650568af9c1d0dc8a7e2c1b625db3ad5979254f2cd2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52a4f4e76467551947c1650568af9c1d0dc8a7e2c1b625db3ad5979254f2cd2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a4f4e76467551947c1650568af9c1d0dc8a7e2c1b625db3ad5979254f2cd2d", kill_on_drop: false }`
[INFO] [stdout] 52a4f4e76467551947c1650568af9c1d0dc8a7e2c1b625db3ad5979254f2cd2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd028c4c50d7e764c283c6caa634f50c019d074c5845dc4b7f7651c29810bbb3
[INFO] running `Command { std: "docker" "start" "-a" "dd028c4c50d7e764c283c6caa634f50c019d074c5845dc4b7f7651c29810bbb3", 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]    Compiling day01 v0.1.0 (/opt/rustwide/workdir/day01)
[INFO] [stderr]    Compiling day17 v0.1.0 (/opt/rustwide/workdir/day17)
[INFO] [stderr]    Compiling day18 v0.1.0 (/opt/rustwide/workdir/day18)
[INFO] [stderr]    Compiling day13 v0.1.0 (/opt/rustwide/workdir/day13)
[INFO] [stderr]    Compiling day14 v0.1.0 (/opt/rustwide/workdir/day14)
[INFO] [stderr]    Compiling day09 v0.1.0 (/opt/rustwide/workdir/day09)
[INFO] [stderr]    Compiling day16 v0.1.0 (/opt/rustwide/workdir/day16)
[INFO] [stderr]    Compiling day23 v0.1.0 (/opt/rustwide/workdir/day23)
[INFO] [stderr]    Compiling day03 v0.1.0 (/opt/rustwide/workdir/day03)
[INFO] [stderr]    Compiling day15 v0.1.0 (/opt/rustwide/workdir/day15)
[INFO] [stderr]    Compiling day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stderr]    Compiling day02 v0.1.0 (/opt/rustwide/workdir/day02)
[INFO] [stderr]    Compiling day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]    Compiling day22 v0.1.0 (/opt/rustwide/workdir/day22)
[INFO] [stderr]    Compiling day11 v0.1.0 (/opt/rustwide/workdir/day11)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day17/src/main.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let bunsi = (2 * a + t * (t + 1) * alpha - 2 * alpha * t);
[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] 89 -             let bunsi = (2 * a + t * (t + 1) * alpha - 2 * alpha * t);
[INFO] [stdout] 89 +             let bunsi = 2 * a + t * (t + 1) * alpha - 2 * alpha * t ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day17/src/main.rs:90:25
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let bunbo = (2 * t);
[INFO] [stdout]    |                         ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 90 -             let bunbo = (2 * t);
[INFO] [stdout] 90 +             let bunbo = 2 * t ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LinkedList`
[INFO] [stdout]  --> day14/src/main.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeMap, HashMap, LinkedList};
[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: `ipt`
[INFO] [stdout]  --> day16/src/main.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let (ipt, packet) = parse_packet(&input)?;
[INFO] [stdout]   |          ^^^ help: if this is intentional, prefix it with an underscore: `_ipt`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Velocity` is never constructed
[INFO] [stdout]    --> day17/src/main.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 | struct Velocity {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next` is never used
[INFO] [stdout]    --> day17/src/main.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | impl Velocity {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] 116 |     fn next(self) -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next` is never used
[INFO] [stdout]    --> day17/src/main.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | impl Position {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] 132 |     fn next(self, velocity: &Velocity) -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step` is never used
[INFO] [stdout]    --> day17/src/main.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn step(pos: Position, vel: Velocity) -> (Position, Velocity) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]    --> day23/src/main.rs:384:17
[INFO] [stdout]     |
[INFO] [stdout] 384 |             let kind = if let NodeKind::Amphipod(amphipod) = node {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_char` is never used
[INFO] [stdout]    --> day23/src/main.rs:218:8
[INFO] [stdout]     |
[INFO] [stdout] 217 | impl NodeKind {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 218 |     fn from_char(c: char) -> NodeKind {
[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 return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]   --> day13/src/main.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             paper.split_off(y as usize + 1);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `.truncate()` if you don't need the other half
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |             let _ = paper.split_off(y as usize + 1);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]   --> day13/src/main.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 paper[y].split_off(line as usize + 1);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 let _ = paper[y].split_off(line as usize + 1);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_pair` is never used
[INFO] [stdout]   --> day18/src/main.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn display_pair(p: &Pair<u8>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DisplayPair` is never constructed
[INFO] [stdout]    --> day18/src/main.rs:230:8
[INFO] [stdout]     |
[INFO] [stdout] 230 | struct DisplayPair<'a, T>(&'a Pair<T>);
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display` is never used
[INFO] [stdout]    --> day18/src/main.rs:236:8
[INFO] [stdout]     |
[INFO] [stdout] 232 | / impl<'a, T> DisplayPair<'a, T>
[INFO] [stdout] 233 | | where
[INFO] [stdout] 234 | |     T: Display,
[INFO] [stdout]     | |_______________- method in this implementation
[INFO] [stdout] 235 |   {
[INFO] [stdout] 236 |       fn display(&self) -> String {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DisplayPairKind` is never constructed
[INFO] [stdout]    --> day18/src/main.rs:243:8
[INFO] [stdout]     |
[INFO] [stdout] 243 | struct DisplayPairKind<'a, T>(&'a PairKind<T>);
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display` is never used
[INFO] [stdout]    --> day18/src/main.rs:249:8
[INFO] [stdout]     |
[INFO] [stdout] 245 | / impl<'a, T> DisplayPairKind<'a, T>
[INFO] [stdout] 246 | | where
[INFO] [stdout] 247 | |     T: Display,
[INFO] [stdout]     | |_______________- method in this implementation
[INFO] [stdout] 248 |   {
[INFO] [stdout] 249 |       fn display(&self) -> String {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_min` is never used
[INFO] [stdout]   --> day15/src/main.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn find_min(map: &[Vec<u64>], set: &HashSet<(usize, usize)>) -> (usize, usize) {
[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]    --> day22/src/main.rs:198:14
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn operation(mut cubes: Vec<Cube>, op: &Operation) {
[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: `cubes`
[INFO] [stdout]    --> day22/src/main.rs:198:14
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn operation(mut cubes: Vec<Cube>, op: &Operation) {
[INFO] [stdout]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cubes`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `operation` is never used
[INFO] [stdout]    --> day22/src/main.rs:198:4
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn operation(mut cubes: Vec<Cube>, op: &Operation) {
[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 2.59s
[INFO] running `Command { std: "docker" "inspect" "dd028c4c50d7e764c283c6caa634f50c019d074c5845dc4b7f7651c29810bbb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd028c4c50d7e764c283c6caa634f50c019d074c5845dc4b7f7651c29810bbb3", kill_on_drop: false }`
[INFO] [stdout] dd028c4c50d7e764c283c6caa634f50c019d074c5845dc4b7f7651c29810bbb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff1653f9d0c0940f17694424be0c321428751fd954b2e8fb45a48181006e0208
[INFO] running `Command { std: "docker" "start" "-a" "ff1653f9d0c0940f17694424be0c321428751fd954b2e8fb45a48181006e0208", 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]    Compiling day03 v0.1.0 (/opt/rustwide/workdir/day03)
[INFO] [stderr]    Compiling day18 v0.1.0 (/opt/rustwide/workdir/day18)
[INFO] [stderr]    Compiling day13 v0.1.0 (/opt/rustwide/workdir/day13)
[INFO] [stderr]    Compiling day11 v0.1.0 (/opt/rustwide/workdir/day11)
[INFO] [stderr]    Compiling day23 v0.1.0 (/opt/rustwide/workdir/day23)
[INFO] [stderr]    Compiling day22 v0.1.0 (/opt/rustwide/workdir/day22)
[INFO] [stderr]    Compiling day14 v0.1.0 (/opt/rustwide/workdir/day14)
[INFO] [stderr]    Compiling day17 v0.1.0 (/opt/rustwide/workdir/day17)
[INFO] [stderr]    Compiling day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stderr]    Compiling day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]    Compiling day01 v0.1.0 (/opt/rustwide/workdir/day01)
[INFO] [stderr]    Compiling day15 v0.1.0 (/opt/rustwide/workdir/day15)
[INFO] [stderr]    Compiling day16 v0.1.0 (/opt/rustwide/workdir/day16)
[INFO] [stderr]    Compiling day09 v0.1.0 (/opt/rustwide/workdir/day09)
[INFO] [stderr]    Compiling day02 v0.1.0 (/opt/rustwide/workdir/day02)
[INFO] [stdout] warning: unused import: `LinkedList`
[INFO] [stdout]  --> day14/src/main.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeMap, HashMap, LinkedList};
[INFO] [stdout]   |                                           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_min` is never used
[INFO] [stdout]   --> day15/src/main.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn find_min(map: &[Vec<u64>], set: &HashSet<(usize, usize)>) -> (usize, usize) {
[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: `ipt`
[INFO] [stdout]  --> day16/src/main.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let (ipt, packet) = parse_packet(&input)?;
[INFO] [stdout]   |          ^^^ help: if this is intentional, prefix it with an underscore: `_ipt`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]    --> day23/src/main.rs:384:17
[INFO] [stdout]     |
[INFO] [stdout] 384 |             let kind = if let NodeKind::Amphipod(amphipod) = node {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_char` is never used
[INFO] [stdout]    --> day23/src/main.rs:218:8
[INFO] [stdout]     |
[INFO] [stdout] 217 | impl NodeKind {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 218 |     fn from_char(c: char) -> NodeKind {
[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 return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]   --> day13/src/main.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             paper.split_off(y as usize + 1);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `.truncate()` if you don't need the other half
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |             let _ = paper.split_off(y as usize + 1);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day17/src/main.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let bunsi = (2 * a + t * (t + 1) * alpha - 2 * alpha * t);
[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] 89 -             let bunsi = (2 * a + t * (t + 1) * alpha - 2 * alpha * t);
[INFO] [stdout] 89 +             let bunsi = 2 * a + t * (t + 1) * alpha - 2 * alpha * t ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]   --> day13/src/main.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 paper[y].split_off(line as usize + 1);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 let _ = paper[y].split_off(line as usize + 1);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day17/src/main.rs:90:25
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let bunbo = (2 * t);
[INFO] [stdout]    |                         ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 90 -             let bunbo = (2 * t);
[INFO] [stdout] 90 +             let bunbo = 2 * t ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_pair` is never used
[INFO] [stdout]   --> day18/src/main.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn display_pair(p: &Pair<u8>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DisplayPair` is never constructed
[INFO] [stdout]    --> day18/src/main.rs:230:8
[INFO] [stdout]     |
[INFO] [stdout] 230 | struct DisplayPair<'a, T>(&'a Pair<T>);
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display` is never used
[INFO] [stdout]    --> day18/src/main.rs:236:8
[INFO] [stdout]     |
[INFO] [stdout] 232 | / impl<'a, T> DisplayPair<'a, T>
[INFO] [stdout] 233 | | where
[INFO] [stdout] 234 | |     T: Display,
[INFO] [stdout]     | |_______________- method in this implementation
[INFO] [stdout] 235 |   {
[INFO] [stdout] 236 |       fn display(&self) -> String {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DisplayPairKind` is never constructed
[INFO] [stdout]    --> day18/src/main.rs:243:8
[INFO] [stdout]     |
[INFO] [stdout] 243 | struct DisplayPairKind<'a, T>(&'a PairKind<T>);
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display` is never used
[INFO] [stdout]    --> day18/src/main.rs:249:8
[INFO] [stdout]     |
[INFO] [stdout] 245 | / impl<'a, T> DisplayPairKind<'a, T>
[INFO] [stdout] 246 | | where
[INFO] [stdout] 247 | |     T: Display,
[INFO] [stdout]     | |_______________- method in this implementation
[INFO] [stdout] 248 |   {
[INFO] [stdout] 249 |       fn display(&self) -> String {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> day22/src/main.rs:198:14
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn operation(mut cubes: Vec<Cube>, op: &Operation) {
[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: `cubes`
[INFO] [stdout]    --> day22/src/main.rs:198:14
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn operation(mut cubes: Vec<Cube>, op: &Operation) {
[INFO] [stdout]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cubes`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `operation` is never used
[INFO] [stdout]    --> day22/src/main.rs:198:4
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn operation(mut cubes: Vec<Cube>, op: &Operation) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Velocity` is never constructed
[INFO] [stdout]    --> day17/src/main.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 | struct Velocity {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next` is never used
[INFO] [stdout]    --> day17/src/main.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | impl Velocity {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] 116 |     fn next(self) -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next` is never used
[INFO] [stdout]    --> day17/src/main.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | impl Position {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] 132 |     fn next(self, velocity: &Velocity) -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step` is never used
[INFO] [stdout]    --> day17/src/main.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn step(pos: Position, vel: Velocity) -> (Position, Velocity) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "ff1653f9d0c0940f17694424be0c321428751fd954b2e8fb45a48181006e0208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff1653f9d0c0940f17694424be0c321428751fd954b2e8fb45a48181006e0208", kill_on_drop: false }`
[INFO] [stdout] ff1653f9d0c0940f17694424be0c321428751fd954b2e8fb45a48181006e0208
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8a6ede5d4f9812dd658d6e2eb7b33cfb8db96e72f3f201ddfc69c59b1104d14
[INFO] running `Command { std: "docker" "start" "-a" "b8a6ede5d4f9812dd658d6e2eb7b33cfb8db96e72f3f201ddfc69c59b1104d14", 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] warning: unused variable: `kind`
[INFO] [stderr]    --> day23/src/main.rs:384:17
[INFO] [stderr]     |
[INFO] [stderr] 384 |             let kind = if let NodeKind::Amphipod(amphipod) = node {
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `from_char` is never used
[INFO] [stderr]    --> day23/src/main.rs:218:8
[INFO] [stderr]     |
[INFO] [stderr] 217 | impl NodeKind {
[INFO] [stderr]     | ------------- associated function in this implementation
[INFO] [stderr] 218 |     fn from_char(c: char) -> NodeKind {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `day23` (bin "day23" test) generated 2 warnings (run `cargo fix --bin "day23" -p day23 --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused import: `LinkedList`
[INFO] [stderr]  --> day14/src/main.rs:1:43
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{BTreeMap, HashMap, LinkedList};
[INFO] [stderr]   |                                           ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> day17/src/main.rs:89:25
[INFO] [stderr]    |
[INFO] [stderr] 89 |             let bunsi = (2 * a + t * (t + 1) * alpha - 2 * alpha * t);
[INFO] [stderr]    |                         ^                                           ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 89 -             let bunsi = (2 * a + t * (t + 1) * alpha - 2 * alpha * t);
[INFO] [stderr] 89 +             let bunsi = 2 * a + t * (t + 1) * alpha - 2 * alpha * t ;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> day17/src/main.rs:90:25
[INFO] [stderr]    |
[INFO] [stderr] 90 |             let bunbo = (2 * t);
[INFO] [stderr]    |                         ^     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 90 -             let bunbo = (2 * t);
[INFO] [stderr] 90 +             let bunbo = 2 * t ;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Velocity` is never constructed
[INFO] [stderr]    --> day17/src/main.rs:110:8
[INFO] [stderr]     |
[INFO] [stderr] 110 | struct Velocity {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `next` is never used
[INFO] [stderr]    --> day17/src/main.rs:116:8
[INFO] [stderr]     |
[INFO] [stderr] 115 | impl Velocity {
[INFO] [stderr]     | ------------- method in this implementation
[INFO] [stderr] 116 |     fn next(self) -> Self {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `next` is never used
[INFO] [stderr]    --> day17/src/main.rs:132:8
[INFO] [stderr]     |
[INFO] [stderr] 131 | impl Position {
[INFO] [stderr]     | ------------- method in this implementation
[INFO] [stderr] 132 |     fn next(self, velocity: &Velocity) -> Self {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `step` is never used
[INFO] [stderr]    --> day17/src/main.rs:140:4
[INFO] [stderr]     |
[INFO] [stderr] 140 | fn step(pos: Position, vel: Velocity) -> (Position, Velocity) {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stderr]   --> day13/src/main.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             paper.split_off(y as usize + 1);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: use `.truncate()` if you don't need the other half
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 38 |             let _ = paper.split_off(y as usize + 1);
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stderr]   --> day13/src/main.rs:49:17
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 paper[y].split_off(line as usize + 1);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 let _ = paper[y].split_off(line as usize + 1);
[INFO] [stderr]    |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ipt`
[INFO] [stderr]  --> day16/src/main.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let (ipt, packet) = parse_packet(&input)?;
[INFO] [stderr]   |          ^^^ help: if this is intentional, prefix it with an underscore: `_ipt`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `find_min` is never used
[INFO] [stderr]   --> day15/src/main.rs:97:4
[INFO] [stderr]    |
[INFO] [stderr] 97 | fn find_min(map: &[Vec<u64>], set: &HashSet<(usize, usize)>) -> (usize, usize) {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> day22/src/main.rs:198:14
[INFO] [stderr]     |
[INFO] [stderr] 198 | fn operation(mut cubes: Vec<Cube>, op: &Operation) {
[INFO] [stderr]     |              ----^^^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cubes`
[INFO] [stderr]    --> day22/src/main.rs:198:14
[INFO] [stderr]     |
[INFO] [stderr] 198 | fn operation(mut cubes: Vec<Cube>, op: &Operation) {
[INFO] [stderr]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cubes`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `operation` is never used
[INFO] [stderr]    --> day22/src/main.rs:198:4
[INFO] [stderr]     |
[INFO] [stderr] 198 | fn operation(mut cubes: Vec<Cube>, op: &Operation) {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `display_pair` is never used
[INFO] [stderr]   --> day18/src/main.rs:44:4
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn display_pair(p: &Pair<u8>) {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `DisplayPair` is never constructed
[INFO] [stderr]    --> day18/src/main.rs:230:8
[INFO] [stderr]     |
[INFO] [stderr] 230 | struct DisplayPair<'a, T>(&'a Pair<T>);
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `display` is never used
[INFO] [stderr]    --> day18/src/main.rs:236:8
[INFO] [stderr]     |
[INFO] [stderr] 232 | / impl<'a, T> DisplayPair<'a, T>
[INFO] [stderr] 233 | | where
[INFO] [stderr] 234 | |     T: Display,
[INFO] [stderr]     | |_______________- method in this implementation
[INFO] [stderr] 235 |   {
[INFO] [stderr] 236 |       fn display(&self) -> String {
[INFO] [stderr]     |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `DisplayPairKind` is never constructed
[INFO] [stderr]    --> day18/src/main.rs:243:8
[INFO] [stderr]     |
[INFO] [stderr] 243 | struct DisplayPairKind<'a, T>(&'a PairKind<T>);
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `display` is never used
[INFO] [stderr]    --> day18/src/main.rs:249:8
[INFO] [stderr]     |
[INFO] [stderr] 245 | / impl<'a, T> DisplayPairKind<'a, T>
[INFO] [stderr] 246 | | where
[INFO] [stderr] 247 | |     T: Display,
[INFO] [stderr]     | |_______________- method in this implementation
[INFO] [stderr] 248 |   {
[INFO] [stderr] 249 |       fn display(&self) -> String {
[INFO] [stderr]     |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `day14` (bin "day14" test) generated 1 warning (run `cargo fix --bin "day14" -p day14 --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `day17` (bin "day17" test) generated 6 warnings (run `cargo fix --bin "day17" -p day17 --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `day13` (bin "day13" test) generated 2 warnings
[INFO] [stderr] warning: `day16` (bin "day16" test) generated 1 warning (run `cargo fix --bin "day16" -p day16 --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `day15` (bin "day15" test) generated 1 warning
[INFO] [stderr] warning: `day22` (bin "day22" test) generated 3 warnings (run `cargo fix --bin "day22" -p day22 --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `day18` (bin "day18" test) generated 5 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day01-a2f0346a52b3ebb6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day02-1d8e4e9ba82856cf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day03-91386503e59b6230)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day09-edbc401cf05c27da)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day10-030aa011203e3bce)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day11-c154b516182cb8ef)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day12-a46fc99fdd7beb73)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day13-d8194b7370bc6406)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day14-aa8b3ad3c26fed12)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day15-c47c1d53fbaba37a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day16-34bb5512daf96ea4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_to_dec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day17-431a41bdfed3d967)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day18-c983fbc18414cd2d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day22-0c9731c1f2a02fd4)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_split ... ok
[INFO] [stdout] test tests::test_split_y ... ok
[INFO] [stdout] test tests::test_split_x ... ok
[INFO] [stdout] test tests::test_split_z ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day23-4f78e435acb56482)
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_can_move ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_can_move stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_can_move' (43) panicked at day23/src/main.rs:486:9:
[INFO] [stdout] assertion failed: !can_move(&from, &to, &hole, &side_room)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x61b4cd9ce802 - std::backtrace_rs::backtrace::libunwind::trace::hff358a60abf734fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x61b4cd9ce802 - std::backtrace_rs::backtrace::trace_unsynchronized::h3b121f916dd95ec6
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x61b4cd9ce802 - std::sys::backtrace::_print_fmt::hde0a62ded68798e9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x61b4cd9ce802 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h93773fc827e3113d
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x61b4cd9de85a - core::fmt::rt::Argument::fmt::h01eff69902dad97f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x61b4cd9de85a - core::fmt::write::hed7b5c73d82ecb7c
[INFO] [stdout]    6:     0x61b4cd99d546 - std::io::default_write_fmt::h2f696ff5b8bbaa4b
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x61b4cd99d546 - std::io::Write::write_fmt::h5e66814db8a9cfce
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x61b4cd9adce9 - std::sys::backtrace::BacktraceLock::print::h8b1d6fcc5a56d1a3
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x61b4cd9adce9 - std::panicking::default_hook::{{closure}}::h2be84df4f189ae36
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x61b4cd9adb81 - std::panicking::default_hook::hf0ea8939246f43a9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x61b4cd97222e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h02d35e3888986252
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x61b4cd97222e - test::test_main_with_exit_callback::{{closure}}::h939640a27d647173
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x61b4cd9adf62 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc9df09ff391af3e7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x61b4cd9adf62 - std::panicking::panic_with_hook::hb4bd9ac1123582a0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x61b4cd9addda - std::panicking::panic_handler::{{closure}}::hde00dd15f5637fe2
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x61b4cd9a9339 - std::sys::backtrace::__rust_end_short_backtrace::hb72197fa777c1785
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x61b4cd99237d - __rustc[4425a7e20b4c8619]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x61b4cd9e5bac - core::panicking::panic_fmt::ha59b517dd231f4da
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x61b4cd9e5b72 - core::panicking::panic::hbff2745fd4c5afec
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x61b4cd9504cf - day23::tests::test_can_move::h3687485d63b03934
[INFO] [stdout]                                at /opt/rustwide/workdir/day23/src/main.rs:486:9
[INFO] [stdout]   21:     0x61b4cd950667 - day23::tests::test_can_move::{{closure}}::h3b0bd2a1f77fca36
[INFO] [stdout]                                at /opt/rustwide/workdir/day23/src/main.rs:428:23
[INFO] [stdout]   22:     0x61b4cd94e7c6 - core::ops::function::FnOnce::call_once::ha58c2164372d8672
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x61b4cd971feb - core::ops::function::FnOnce::call_once::hddb3cd395c36bfbb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x61b4cd971feb - test::__rust_begin_short_backtrace::h0b6a7601d9750bfa
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x61b4cd9859fa - test::run_test_in_process::{{closure}}::h444209903f00b347
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x61b4cd9859fa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfb3ba8f46e537649
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x61b4cd9859fa - std::panicking::catch_unwind::do_call::h1672a45911fcf9dc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x61b4cd9859fa - std::panicking::catch_unwind::h0fadaee22787a6dd
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x61b4cd9859fa - std::panic::catch_unwind::hc47ad190f2c8e188
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x61b4cd9859fa - test::run_test_in_process::hcd7faaf934f29999
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x61b4cd9859fa - test::run_test::{{closure}}::hddc4550da4871867
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x61b4cd95fe54 - test::run_test::{{closure}}::h98ae26689f13ed94
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x61b4cd95fe54 - std::sys::backtrace::__rust_begin_short_backtrace::h3ec4d1f21ad44588
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x61b4cd9637f2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd8bf2c73d479939f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x61b4cd9637f2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3b4248f358af2491
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x61b4cd9637f2 - std::panicking::catch_unwind::do_call::hda10a64f4b8daebe
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x61b4cd9637f2 - std::panicking::catch_unwind::h659e5ee8336ec8c7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x61b4cd9637f2 - std::panic::catch_unwind::h9d4d66a538912c18
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x61b4cd9637f2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h7557906bb51d79f1
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x61b4cd9637f2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9e460d1d7fc83d35
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x61b4cd9a45cf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h61282da819d64ea9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   42:     0x61b4cd9a45cf - std::sys::thread::unix::Thread::new::thread_start::h982f9ea829d1b5fb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   43:     0x79b9e5b9aaa4 - <unknown>
[INFO] [stdout]   44:     0x79b9e5c27a64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_can_move
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p day23 --bin day23`
[INFO] running `Command { std: "docker" "inspect" "b8a6ede5d4f9812dd658d6e2eb7b33cfb8db96e72f3f201ddfc69c59b1104d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8a6ede5d4f9812dd658d6e2eb7b33cfb8db96e72f3f201ddfc69c59b1104d14", kill_on_drop: false }`
[INFO] [stdout] b8a6ede5d4f9812dd658d6e2eb7b33cfb8db96e72f3f201ddfc69c59b1104d14
