[INFO] cloning repository https://github.com/epochcoder/adventofcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/epochcoder/adventofcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fepochcoder%2Fadventofcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fepochcoder%2Fadventofcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4f8007d971e7c849b9697585000e1df0be62ff0
[INFO] testing epochcoder/adventofcode against master#b03b3a7ec92682be2917540b679478d41c95a30c for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fepochcoder%2Fadventofcode" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/epochcoder/adventofcode
[INFO] finished tweaking git repo https://github.com/epochcoder/adventofcode
[INFO] tweaked toml for git repo https://github.com/epochcoder/adventofcode written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/epochcoder/adventofcode on toolchain b03b3a7ec92682be2917540b679478d41c95a30c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/epochcoder/adventofcode 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" "+b03b3a7ec92682be2917540b679478d41c95a30c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24e05cf063996aae85ac3bc44f20fc9521dad7c3289b47e68546dfd2c3fdee51
[INFO] running `Command { std: "docker" "start" "-a" "24e05cf063996aae85ac3bc44f20fc9521dad7c3289b47e68546dfd2c3fdee51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24e05cf063996aae85ac3bc44f20fc9521dad7c3289b47e68546dfd2c3fdee51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24e05cf063996aae85ac3bc44f20fc9521dad7c3289b47e68546dfd2c3fdee51", kill_on_drop: false }`
[INFO] [stdout] 24e05cf063996aae85ac3bc44f20fc9521dad7c3289b47e68546dfd2c3fdee51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2af986c611a5642ab1da2fc83abe110e703fc0a0e8e7672165774c98d2bb9845
[INFO] running `Command { std: "docker" "start" "-a" "2af986c611a5642ab1da2fc83abe110e703fc0a0e8e7672165774c98d2bb9845", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling utils v0.1.0 (/opt/rustwide/workdir/libs/utils)
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling year-2020 v0.1.0 (/opt/rustwide/workdir/libs/year-2020)
[INFO] [stdout] warning: function `day_1` is never used
[INFO] [stdout]  --> libs/year-2020/src/lib.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn day_1() -> () {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling year-2021 v0.1.0 (/opt/rustwide/workdir/libs/year-2021)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> libs/year-2021/src/day_three_extra.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> libs/year-2021/src/day_four.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |             let mut piece = self.piece_at_mut(i, row);
[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: unused variable: `day`
[INFO] [stdout]   --> libs/year-2021/src/day_six.rs:14:26
[INFO] [stdout]    |
[INFO] [stdout] 14 |     (1..=days).for_each(|day| {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_day`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Depth` is never constructed
[INFO] [stdout]  --> libs/year-2021/src/day_one.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Depth(i32);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> libs/year-2021/src/day_one.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Depth {
[INFO] [stdout]   | ---------- associated function in this implementation
[INFO] [stdout] 9 |     fn new(line: &String) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_lines` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_one.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn read_lines() -> Vec<Depth> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_increases` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_one.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn count_increases(depths: Vec<Depth>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Depth` is never constructed
[INFO] [stdout]  --> libs/year-2021/src/day_one_extra.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Depth(i32);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_string` is never used
[INFO] [stdout]  --> libs/year-2021/src/day_one_extra.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Depth {
[INFO] [stdout]   | ---------- associated function in this implementation
[INFO] [stdout] 7 |     fn from_string(line: &String) -> Self {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_lines` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_one_extra.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn read_lines() -> Vec<Depth> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_depths` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_one_extra.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn sum_depths(depths: &Vec<&Depth>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_increases` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_one_extra.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn count_increases(depths: Vec<Depth>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> libs/year-2021/src/day_five.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Line` is never constructed
[INFO] [stdout]   --> libs/year-2021/src/day_five.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Line {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_five.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Point {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 18 |     fn new(x: i32, y: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `is_vertical`, `is_horizontal`, and `plot` are never used
[INFO] [stdout]   --> libs/year-2021/src/day_five.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl Line {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 41 |     fn new(p1: Point, p2: Point) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn is_vertical(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn is_horizontal(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn plot(&self, width: usize, map: &mut Vec<u32>) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate` is never used
[INFO] [stdout]    --> libs/year-2021/src/day_five.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn calculate() {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Piece` is never constructed
[INFO] [stdout]  --> libs/year-2021/src/day_four.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Piece {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_four.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Piece {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 10 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Board` is never constructed
[INFO] [stdout]   --> libs/year-2021/src/day_four.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Board {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> libs/year-2021/src/day_four.rs:27:8
[INFO] [stdout]     |
[INFO] [stdout] 26  | impl Board {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 27  |     fn new(w: usize, h: usize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36  |     fn piece_idx(&self, x: usize, y: usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40  |     fn piece_at_mut(&mut self, x: usize, y: usize) -> &mut Piece {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45  |     fn piece_at(&self, x: usize, y: usize) -> &Piece {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50  |     fn intialize_row(&mut self, row: usize, line: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59  |     fn mark_board(&mut self, num: i32) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66  |     fn has_row_marked(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87  |     fn has_column_marked(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn bingo(&mut self) -> bool {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_by_comma` is never used
[INFO] [stdout]    --> libs/year-2021/src/day_four.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn split_by_comma(line: &str) -> Vec<i32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_by_whitespace` is never used
[INFO] [stdout]    --> libs/year-2021/src/day_four.rs:126:4
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn split_by_whitespace(line: &str) -> Vec<i32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bingo_baby` is never used
[INFO] [stdout]    --> libs/year-2021/src/day_four.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn bingo_baby() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_boards` is never used
[INFO] [stdout]    --> libs/year-2021/src/day_four.rs:172:4
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn load_boards(lines: Vec<String>) -> Vec<Board> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fish_ages` is never used
[INFO] [stdout]  --> libs/year-2021/src/day_six.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn fish_ages() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `WIDTH` is never used
[INFO] [stdout]  --> libs/year-2021/src/day_three.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | static WIDTH: usize = 12;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ColumnCount` is never constructed
[INFO] [stdout]  --> libs/year-2021/src/day_three.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct ColumnCount {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `update`, `get_most_significant`, and `get_binary` are never used
[INFO] [stdout]   --> libs/year-2021/src/day_three.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl ColumnCount {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 14 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn update(&mut self, ch: &char) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn get_most_significant(&self) -> char {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn get_binary(column_counts: HashMap<usize, ColumnCount>) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_gamma_rate` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_three.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn calculate_gamma_rate(bin: &String) -> isize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_epsilon_rate` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_three.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn calculate_epsilon_rate(bin: &String) -> isize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_power_consumption` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_three.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn calculate_power_consumption() -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `WIDTH` is never used
[INFO] [stdout]  --> libs/year-2021/src/day_three_extra.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | static WIDTH: usize = 12;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Line` is never constructed
[INFO] [stdout]  --> libs/year-2021/src/day_three_extra.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Line {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `as_decimal`, and `char_at_column` are never used
[INFO] [stdout]   --> libs/year-2021/src/day_three_extra.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Line {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 11 |     fn new(line: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn as_decimal(&self) -> isize {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn char_at_column(&self, col: usize, character: char) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_life_support_rating` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_three_extra.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn calculate_life_support_rating() -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_rating` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_three_extra.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn calculate_rating(lines: &Vec<Line>, filter: impl Fn(usize, usize) -> bool) -> isize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]  --> libs/year-2021/src/day_two.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Direction {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubVec` is never constructed
[INFO] [stdout]   --> libs/year-2021/src/day_two.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct SubVec {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_two.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl SubVec {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 52 |     fn new(dir: Direction, amount: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_lines` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_two.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn read_lines() -> Vec<SubVec> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_position` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_two.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn calculate_position() -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_position_aim` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_two.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn calculate_position_aim() -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.54s
[INFO] running `Command { std: "docker" "inspect" "2af986c611a5642ab1da2fc83abe110e703fc0a0e8e7672165774c98d2bb9845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2af986c611a5642ab1da2fc83abe110e703fc0a0e8e7672165774c98d2bb9845", kill_on_drop: false }`
[INFO] [stdout] 2af986c611a5642ab1da2fc83abe110e703fc0a0e8e7672165774c98d2bb9845
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11902177fdd1c2358ee84a004a7e25a9d6038476dab637e162111334ffda705b
[INFO] running `Command { std: "docker" "start" "-a" "11902177fdd1c2358ee84a004a7e25a9d6038476dab637e162111334ffda705b", kill_on_drop: false }`
[INFO] [stdout] warning: function `day_1` is never used
[INFO] [stdout]  --> libs/year-2020/src/lib.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn day_1() -> () {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling year-2020 v0.1.0 (/opt/rustwide/workdir/libs/year-2020)
[INFO] [stderr]    Compiling utils v0.1.0 (/opt/rustwide/workdir/libs/utils)
[INFO] [stderr]    Compiling year-2021 v0.1.0 (/opt/rustwide/workdir/libs/year-2021)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> libs/year-2021/src/day_three_extra.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> libs/year-2021/src/day_four.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |             let mut piece = self.piece_at_mut(i, row);
[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: unused variable: `day`
[INFO] [stdout]   --> libs/year-2021/src/day_six.rs:14:26
[INFO] [stdout]    |
[INFO] [stdout] 14 |     (1..=days).for_each(|day| {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_day`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Depth` is never constructed
[INFO] [stdout]  --> libs/year-2021/src/day_one.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Depth(i32);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> libs/year-2021/src/day_one.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Depth {
[INFO] [stdout]   | ---------- associated function in this implementation
[INFO] [stdout] 9 |     fn new(line: &String) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_lines` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_one.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn read_lines() -> Vec<Depth> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_increases` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_one.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn count_increases(depths: Vec<Depth>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Depth` is never constructed
[INFO] [stdout]  --> libs/year-2021/src/day_one_extra.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Depth(i32);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_string` is never used
[INFO] [stdout]  --> libs/year-2021/src/day_one_extra.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Depth {
[INFO] [stdout]   | ---------- associated function in this implementation
[INFO] [stdout] 7 |     fn from_string(line: &String) -> Self {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_lines` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_one_extra.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn read_lines() -> Vec<Depth> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_depths` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_one_extra.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn sum_depths(depths: &Vec<&Depth>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_increases` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_one_extra.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn count_increases(depths: Vec<Depth>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> libs/year-2021/src/day_five.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Line` is never constructed
[INFO] [stdout]   --> libs/year-2021/src/day_five.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Line {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_five.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Point {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 18 |     fn new(x: i32, y: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `is_vertical`, `is_horizontal`, and `plot` are never used
[INFO] [stdout]   --> libs/year-2021/src/day_five.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl Line {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 41 |     fn new(p1: Point, p2: Point) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn is_vertical(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn is_horizontal(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn plot(&self, width: usize, map: &mut Vec<u32>) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate` is never used
[INFO] [stdout]    --> libs/year-2021/src/day_five.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn calculate() {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Piece` is never constructed
[INFO] [stdout]  --> libs/year-2021/src/day_four.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Piece {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_four.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Piece {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 10 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Board` is never constructed
[INFO] [stdout]   --> libs/year-2021/src/day_four.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Board {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> libs/year-2021/src/day_four.rs:27:8
[INFO] [stdout]     |
[INFO] [stdout] 26  | impl Board {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 27  |     fn new(w: usize, h: usize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36  |     fn piece_idx(&self, x: usize, y: usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40  |     fn piece_at_mut(&mut self, x: usize, y: usize) -> &mut Piece {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45  |     fn piece_at(&self, x: usize, y: usize) -> &Piece {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50  |     fn intialize_row(&mut self, row: usize, line: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59  |     fn mark_board(&mut self, num: i32) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66  |     fn has_row_marked(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87  |     fn has_column_marked(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn bingo(&mut self) -> bool {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_by_comma` is never used
[INFO] [stdout]    --> libs/year-2021/src/day_four.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn split_by_comma(line: &str) -> Vec<i32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_by_whitespace` is never used
[INFO] [stdout]    --> libs/year-2021/src/day_four.rs:126:4
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn split_by_whitespace(line: &str) -> Vec<i32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bingo_baby` is never used
[INFO] [stdout]    --> libs/year-2021/src/day_four.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn bingo_baby() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_boards` is never used
[INFO] [stdout]    --> libs/year-2021/src/day_four.rs:172:4
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn load_boards(lines: Vec<String>) -> Vec<Board> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fish_ages` is never used
[INFO] [stdout]  --> libs/year-2021/src/day_six.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn fish_ages() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `WIDTH` is never used
[INFO] [stdout]  --> libs/year-2021/src/day_three.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | static WIDTH: usize = 12;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ColumnCount` is never constructed
[INFO] [stdout]  --> libs/year-2021/src/day_three.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct ColumnCount {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `update`, `get_most_significant`, and `get_binary` are never used
[INFO] [stdout]   --> libs/year-2021/src/day_three.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl ColumnCount {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 14 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn update(&mut self, ch: &char) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn get_most_significant(&self) -> char {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn get_binary(column_counts: HashMap<usize, ColumnCount>) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_gamma_rate` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_three.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn calculate_gamma_rate(bin: &String) -> isize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_epsilon_rate` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_three.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn calculate_epsilon_rate(bin: &String) -> isize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_power_consumption` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_three.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn calculate_power_consumption() -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `WIDTH` is never used
[INFO] [stdout]  --> libs/year-2021/src/day_three_extra.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | static WIDTH: usize = 12;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Line` is never constructed
[INFO] [stdout]  --> libs/year-2021/src/day_three_extra.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Line {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `as_decimal`, and `char_at_column` are never used
[INFO] [stdout]   --> libs/year-2021/src/day_three_extra.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Line {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 11 |     fn new(line: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn as_decimal(&self) -> isize {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn char_at_column(&self, col: usize, character: char) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_life_support_rating` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_three_extra.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn calculate_life_support_rating() -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_rating` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_three_extra.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn calculate_rating(lines: &Vec<Line>, filter: impl Fn(usize, usize) -> bool) -> isize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]  --> libs/year-2021/src/day_two.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Direction {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubVec` is never constructed
[INFO] [stdout]   --> libs/year-2021/src/day_two.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct SubVec {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_two.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl SubVec {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 52 |     fn new(dir: Direction, amount: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_lines` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_two.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn read_lines() -> Vec<SubVec> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_position` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_two.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn calculate_position() -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_position_aim` is never used
[INFO] [stdout]   --> libs/year-2021/src/day_two.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn calculate_position_aim() -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> libs/year-2021/src/day_four.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |             let mut piece = self.piece_at_mut(i, row);
[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: unused variable: `day`
[INFO] [stdout]   --> libs/year-2021/src/day_six.rs:14:26
[INFO] [stdout]    |
[INFO] [stdout] 14 |     (1..=days).for_each(|day| {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_day`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcQXO02K/symbols.o" "<4 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,libunicode_width-*,librustc_std_workspace_std-*,libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcQXO02K/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,-znostart-stop-gc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/year_2020-9a17dd4944427d18" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
[INFO] [stdout]           LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `year-2021` (lib test); 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/b03b3a7ec92682be2917540b679478d41c95a30c/bin/rustc --crate-name year_2021 --edition=2018 libs/year-2021/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=b43c178713a1578c -C extra-filename=-b8b7ded1222cda66 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-2bb390fee0230a38.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-a577034d694539de.rlib --extern utils=/opt/rustwide/target/debug/deps/libutils-4958211e93f0f040.rlib --cap-lints=forbid` (exit status: 101)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `year-2020` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "11902177fdd1c2358ee84a004a7e25a9d6038476dab637e162111334ffda705b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11902177fdd1c2358ee84a004a7e25a9d6038476dab637e162111334ffda705b", kill_on_drop: false }`
[INFO] [stdout] 11902177fdd1c2358ee84a004a7e25a9d6038476dab637e162111334ffda705b