[INFO] cloning repository https://github.com/Svansig/aoc-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Svansig/aoc-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSvansig%2Faoc-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSvansig%2Faoc-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c7697228373f2cfa0e2c5b5fc76b4aa3404d7f1
[INFO] checking Svansig/aoc-rust against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSvansig%2Faoc-rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Svansig/aoc-rust
[INFO] finished tweaking git repo https://github.com/Svansig/aoc-rust
[INFO] tweaked toml for git repo https://github.com/Svansig/aoc-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Svansig/aoc-rust on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Svansig/aoc-rust 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a718300dd78a2cea2799f2ff349701b649bc4e9a9f0ff5d33287b01cd270f1a0
[INFO] running `Command { std: "docker" "start" "-a" "a718300dd78a2cea2799f2ff349701b649bc4e9a9f0ff5d33287b01cd270f1a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a718300dd78a2cea2799f2ff349701b649bc4e9a9f0ff5d33287b01cd270f1a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a718300dd78a2cea2799f2ff349701b649bc4e9a9f0ff5d33287b01cd270f1a0", kill_on_drop: false }`
[INFO] [stdout] a718300dd78a2cea2799f2ff349701b649bc4e9a9f0ff5d33287b01cd270f1a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbdd5a71616d86c9703c4a3c05c01f0194b50cc2ab2d91ed6be055506dbf62ed
[INFO] running `Command { std: "docker" "start" "-a" "cbdd5a71616d86c9703c4a3c05c01f0194b50cc2ab2d91ed6be055506dbf62ed", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]     Checking tinyjson v2.5.1
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking advent_of_code v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `visited_index`
[INFO] [stdout]    --> src/bin/13.rs:159:25
[INFO] [stdout]     |
[INFO] [stdout] 159 |             if let Some(visited_index) = visited_list.iter().position(|v| v.is_coincident(&visited))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visited_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `iterations` is assigned to, but never used
[INFO] [stdout]    --> src/bin/13.rs:420:9
[INFO] [stdout]     |
[INFO] [stdout] 420 |     let mut iterations = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_iterations` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_time`
[INFO] [stdout]    --> src/bin/13.rs:422:13
[INFO] [stdout]     |
[INFO] [stdout] 422 |         let start_time = std::time::Instant::now();
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]    --> src/bin/13.rs:428:9
[INFO] [stdout]     |
[INFO] [stdout] 428 |         iterations += 1;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Button` is never constructed
[INFO] [stdout]  --> src/bin/13.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Button {
[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 `Prize` is never constructed
[INFO] [stdout]   --> src/bin/13.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Prize {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_y_for_slope`, `get_distance`, `is_runnable`, `overshoot`, and `caught` are never used
[INFO] [stdout]   --> src/bin/13.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Prize {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 19 |     fn get_y_for_slope(&self, x: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn get_distance(&self, x: usize, y: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn is_runnable(&self, visit: &Visited, button: &Button) -> Option<usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn overshoot(&self, visit: &Visited) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     fn caught(&self, visit: &Visited) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Visited` is never constructed
[INFO] [stdout]   --> src/bin/13.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | struct Visited {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `is_coincident`, `get_hash`, and `get_next_visited` are never used
[INFO] [stdout]    --> src/bin/13.rs:84:8
[INFO] [stdout]     |
[INFO] [stdout]  83 | impl Visited {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout]  84 |     fn new(x: usize, y: usize, cost: usize, prize: &Prize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  94 |     fn is_coincident(&self, other: &Visited) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |     fn get_hash(&self) -> u64 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn get_next_visited(&self, button: &Button, prize: &Prize) -> Visited {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MinHeap` is never constructed
[INFO] [stdout]    --> src/bin/13.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 | struct MinHeap<'a> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert`, `get_min_distance`, and `get_next` are never used
[INFO] [stdout]    --> src/bin/13.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 141 | impl<'a> MinHeap<'a> {
[INFO] [stdout]     | -------------------- associated items in this implementation
[INFO] [stdout] 142 |     fn new(target: &'a Prize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     fn insert(&mut self, visited: Visited) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 |     fn get_min_distance(&self) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 197 |     fn get_next(&mut self) -> Option<Visited> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClawMachine` is never constructed
[INFO] [stdout]    --> src/bin/13.rs:216:8
[INFO] [stdout]     |
[INFO] [stdout] 216 | struct ClawMachine {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/bin/13.rs:224:8
[INFO] [stdout]     |
[INFO] [stdout] 223 | impl ClawMachine {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 224 |     fn new(button_a: Button, button_b: Button) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 233 |     fn has_seen(&self, visit: &Visited) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |     fn get_min_cost(&self) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 241 |     fn should_visit(&self, visit: &Visited) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 252 |     fn set_min_cost(&mut self, visit: &Visited) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 265 |     fn try_runnable(&mut self, visit: &Visited, prize: &Prize) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 279 |     fn run_button(&mut self, prize: &Prize, visit: Visited, button: &Button) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 287 |     fn find_min_cost_to_prize(&mut self, prize: &Prize) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_button_line` is never used
[INFO] [stdout]    --> src/bin/13.rs:352:4
[INFO] [stdout]     |
[INFO] [stdout] 352 | fn parse_button_line(input: &str) -> Button {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_prize_line` is never used
[INFO] [stdout]    --> src/bin/13.rs:366:4
[INFO] [stdout]     |
[INFO] [stdout] 366 | fn parse_prize_line(input: &str) -> Prize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]    --> src/bin/13.rs:377:4
[INFO] [stdout]     |
[INFO] [stdout] 377 | fn parse_input(input: &str, offset: usize) -> Vec<ClawMachine> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input_math` is never used
[INFO] [stdout]    --> src/bin/13.rs:411:4
[INFO] [stdout]     |
[INFO] [stdout] 411 | fn parse_input_math(input: &str, offset: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/bin/13.rs:357:31
[INFO] [stdout]     |
[INFO] [stdout] 357 |     let button_name: String = nums[1].parse().unwrap();
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent_of_code` (bin "13" test) due to 1 previous error; 17 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `steps`
[INFO] [stdout]   --> src/bin/18.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 if let Cell::Empty(steps) = self.cells[y][x] {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_steps`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cost`
[INFO] [stdout]    --> src/bin/16.rs:224:25
[INFO] [stdout]     |
[INFO] [stdout] 224 |             Cell::Empty(cost) => {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_cost`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cost`
[INFO] [stdout]    --> src/bin/16.rs:233:23
[INFO] [stdout]     |
[INFO] [stdout] 233 |             Cell::End(cost) => {
[INFO] [stdout]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_cost`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cost`
[INFO] [stdout]    --> src/bin/16.rs:242:28
[INFO] [stdout]     |
[INFO] [stdout] 242 |             Cell::Reindeer(cost) => {}
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_cost`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/bin/17.rs:345:9
[INFO] [stdout]     |
[INFO] [stdout] 299 | /         loop {
[INFO] [stdout] 300 | |             let test = a_value << 3 | i;
[INFO] [stdout] 301 | |             let mut computer = self.clone();
[INFO] [stdout] 302 | |             computer.state.register_a.value = test;
[INFO] [stdout] ...   |
[INFO] [stdout] 343 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 344 |
[INFO] [stdout] 345 |           None
[INFO] [stdout]     |           ^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `skip_line`
[INFO] [stdout]    --> src/bin/17.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |         let skip_line = lines.next().unwrap();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_skip_line`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_operand_value` is never used
[INFO] [stdout]    --> src/bin/17.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout]  75 | impl Instruction {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 114 |     fn get_operand_value(&self, state: &ComputerState) -> 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: method `print_output` is never used
[INFO] [stdout]    --> src/bin/17.rs:287:8
[INFO] [stdout]     |
[INFO] [stdout] 205 | impl Computer {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 287 |     fn print_output(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_name` is never used
[INFO] [stdout]   --> src/bin/15.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Cell {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 79 |     fn get_name(&self) -> &str {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cbdd5a71616d86c9703c4a3c05c01f0194b50cc2ab2d91ed6be055506dbf62ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbdd5a71616d86c9703c4a3c05c01f0194b50cc2ab2d91ed6be055506dbf62ed", kill_on_drop: false }`
[INFO] [stdout] cbdd5a71616d86c9703c4a3c05c01f0194b50cc2ab2d91ed6be055506dbf62ed