[INFO] cloning repository https://github.com/ralphrecto/advent-of-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ralphrecto/advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fralphrecto%2Fadvent-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fralphrecto%2Fadvent-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e96b3f206ad3ef902edf0299ccc32ddc4affdc8e
[INFO] testing ralphrecto/advent-of-code against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fralphrecto%2Fadvent-of-code" "/workspace/builds/worker-94/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-94/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ralphrecto/advent-of-code on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ralphrecto/advent-of-code
[INFO] finished tweaking git repo https://github.com/ralphrecto/advent-of-code
[INFO] tweaked toml for git repo https://github.com/ralphrecto/advent-of-code written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] crate git repo https://github.com/ralphrecto/advent-of-code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcb31f92c00c93adc3a50685e0af2a4c94b80a94251a0fc134a5abfdcd995901
[INFO] running `Command { std: "docker" "start" "-a" "fcb31f92c00c93adc3a50685e0af2a4c94b80a94251a0fc134a5abfdcd995901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcb31f92c00c93adc3a50685e0af2a4c94b80a94251a0fc134a5abfdcd995901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcb31f92c00c93adc3a50685e0af2a4c94b80a94251a0fc134a5abfdcd995901", kill_on_drop: false }`
[INFO] [stdout] fcb31f92c00c93adc3a50685e0af2a4c94b80a94251a0fc134a5abfdcd995901
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a37ebd228f1eed4678bfb37f0c474ce1620f5284de274078b6d09b1455d4778
[INFO] running `Command { std: "docker" "start" "-a" "3a37ebd228f1eed4678bfb37f0c474ce1620f5284de274078b6d09b1455d4778", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling advent-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BinaryHeap`
[INFO] [stdout]  --> src/advent2019/day06.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{HashMap, HashSet, BinaryHeap};
[INFO] [stdout]   |                                          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Map`
[INFO] [stdout]  --> src/advent2019/day06.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/advent2019/day03.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut x = 0;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/advent2019/day03.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut y = 0;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/advent2019/day06.rs:100:101
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let path_costs: HashMap<NodeIndex<u32>, u32> = dijkstra(&graph, *start_idx, Some(*target_idx), |e| 1);
[INFO] [stdout]     |                                                                                                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/advent2019/day03.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut x = 0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/advent2019/day03.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut y = 0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dec_ith`
[INFO] [stdout]  --> src/bits.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn dec_ith(decnum: i32, i: i32) -> u8 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fuel_needed`
[INFO] [stdout]  --> src/advent2019/day01.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn fuel_needed(mass: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pt1`
[INFO] [stdout]  --> src/advent2019/day01.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn pt1(lines: &Vec<String>) -> () {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pt2`
[INFO] [stdout]   --> src/advent2019/day01.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn pt2(lines: &Vec<String>) -> () {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/advent2019/day01.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn run() -> () {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `grav_assist_prog`
[INFO] [stdout]  --> src/advent2019/day02.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn grav_assist_prog(prog: &str, noun: i32, verb: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pt2`
[INFO] [stdout]   --> src/advent2019/day02.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn pt2(prog: &str) -> () {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/advent2019/day02.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn run() -> () {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ORIGIN`
[INFO] [stdout]   --> src/advent2019/day03.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | const ORIGIN: Point = Point {x: 0, y: 0};
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `start`
[INFO] [stdout]   --> src/advent2019/day03.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     start: Point,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `end`
[INFO] [stdout]   --> src/advent2019/day03.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     end: Point
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `line_segments`
[INFO] [stdout]   --> src/advent2019/day03.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn line_segments(start: Point, line: &str) -> Vec<Segment> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `intersection`
[INFO] [stdout]   --> src/advent2019/day03.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn intersection(a: &Segment, b: &Segment) -> Option<Point> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `intersections`
[INFO] [stdout]   --> src/advent2019/day03.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn intersections(first_line: &Vec<Segment>, second_line: &Vec<Segment>) -> Vec<Point> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `manhattan_dist`
[INFO] [stdout]    --> src/advent2019/day03.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn manhattan_dist(a: &Point, b: &Point) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `length`
[INFO] [stdout]    --> src/advent2019/day03.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn length(s: &Segment) -> i32 {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `contains_point`
[INFO] [stdout]    --> src/advent2019/day03.rs:115:4
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn contains_point(s: &Segment, p: &Point) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pt1`
[INFO] [stdout]    --> src/advent2019/day03.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn pt1(first_line: &Vec<Segment>, second_line: &Vec<Segment>) -> () {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `delay`
[INFO] [stdout]    --> src/advent2019/day03.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn delay(line: &Vec<Segment>, p: &Point) -> i32 {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pt2`
[INFO] [stdout]    --> src/advent2019/day03.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn pt2(first_line: &Vec<Segment>, second_line: &Vec<Segment>) -> () {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]    --> src/advent2019/day03.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub fn run() -> () {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/advent2019/day04.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() -> () {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/advent2019/day05.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run() -> () {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `transitive_orbits`
[INFO] [stdout]   --> src/advent2019/day06.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn transitive_orbits(object: &str, orbit_map: &HashMap<&str, HashSet<&str>>) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_orbits`
[INFO] [stdout]   --> src/advent2019/day06.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn parse_orbits(lines: &Vec<String>, undirected: bool) -> HashMap<&str, HashSet<&str>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1`
[INFO] [stdout]   --> src/advent2019/day06.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn part1(lines: &Vec<String>) -> u32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `goto_target`
[INFO] [stdout]   --> src/advent2019/day06.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn goto_target(start: &str, target: &str, orbitee_map: &HashMap<&str, HashSet<&str>>) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2`
[INFO] [stdout]    --> src/advent2019/day06.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn part2(lines: &Vec<String>) -> u32 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]    --> src/advent2019/day06.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn run() -> () {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Position`
[INFO] [stdout]  --> src/advent2019/intcode.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Position,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Immediate`
[INFO] [stdout]  --> src/advent2019/intcode.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Immediate
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Plus`
[INFO] [stdout]   --> src/advent2019/intcode.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Plus,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mult`
[INFO] [stdout]   --> src/advent2019/intcode.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Mult,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Store`
[INFO] [stdout]   --> src/advent2019/intcode.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Store,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Output`
[INFO] [stdout]   --> src/advent2019/intcode.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Output,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `JumpIfTrue`
[INFO] [stdout]   --> src/advent2019/intcode.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     JumpIfTrue,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `JumpIfFalse`
[INFO] [stdout]   --> src/advent2019/intcode.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     JumpIfFalse,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LessThan`
[INFO] [stdout]   --> src/advent2019/intcode.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     LessThan,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Equals`
[INFO] [stdout]   --> src/advent2019/intcode.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Equals,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Halt`
[INFO] [stdout]   --> src/advent2019/intcode.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Halt
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `arity`
[INFO] [stdout]   --> src/advent2019/intcode.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn arity(&self) -> usize {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/advent2019/intcode.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn parse(instr: i32) -> (Opcode, Vec<ParameterMode>) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mode`
[INFO] [stdout]   --> src/advent2019/intcode.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn mode(&self, mode: ParameterMode, i: usize) -> ParameterMode {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_prog`
[INFO] [stdout]   --> src/advent2019/intcode.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub fn run_prog(mem: &mut Vec<i32>) -> () {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_prog`
[INFO] [stdout]    --> src/advent2019/intcode.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub fn parse_prog(prog: &str) -> Vec<i32> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `increasing_windows`
[INFO] [stdout]  --> src/advent2021/day01.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn increasing_windows(window_size: usize) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/advent2021/day01.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/advent2021/day02.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/advent2019/intcode.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 io::stdout().flush();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/advent2019/intcode.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 io::stdin().read_line(&mut input);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 57 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.29s
[INFO] running `Command { std: "docker" "inspect" "3a37ebd228f1eed4678bfb37f0c474ce1620f5284de274078b6d09b1455d4778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a37ebd228f1eed4678bfb37f0c474ce1620f5284de274078b6d09b1455d4778", kill_on_drop: false }`
[INFO] [stdout] 3a37ebd228f1eed4678bfb37f0c474ce1620f5284de274078b6d09b1455d4778
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c168032c261f61ac35190fef414b5b87f2d047a43a38e8fab10f97141e87c0f
[INFO] running `Command { std: "docker" "start" "-a" "6c168032c261f61ac35190fef414b5b87f2d047a43a38e8fab10f97141e87c0f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling advent-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BinaryHeap`
[INFO] [stdout]  --> src/advent2019/day06.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{HashMap, HashSet, BinaryHeap};
[INFO] [stdout]   |                                          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Map`
[INFO] [stdout]  --> src/advent2019/day06.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/advent2019/day03.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut x = 0;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/advent2019/day03.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut y = 0;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/advent2019/day06.rs:100:101
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let path_costs: HashMap<NodeIndex<u32>, u32> = dijkstra(&graph, *start_idx, Some(*target_idx), |e| 1);
[INFO] [stdout]     |                                                                                                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/advent2019/day03.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut x = 0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/advent2019/day03.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut y = 0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fuel_needed`
[INFO] [stdout]  --> src/advent2019/day01.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn fuel_needed(mass: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pt1`
[INFO] [stdout]  --> src/advent2019/day01.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn pt1(lines: &Vec<String>) -> () {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pt2`
[INFO] [stdout]   --> src/advent2019/day01.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn pt2(lines: &Vec<String>) -> () {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/advent2019/day01.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn run() -> () {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `grav_assist_prog`
[INFO] [stdout]  --> src/advent2019/day02.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn grav_assist_prog(prog: &str, noun: i32, verb: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pt2`
[INFO] [stdout]   --> src/advent2019/day02.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn pt2(prog: &str) -> () {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/advent2019/day02.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn run() -> () {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ORIGIN`
[INFO] [stdout]   --> src/advent2019/day03.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | const ORIGIN: Point = Point {x: 0, y: 0};
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `start`
[INFO] [stdout]   --> src/advent2019/day03.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     start: Point,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `end`
[INFO] [stdout]   --> src/advent2019/day03.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     end: Point
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `line_segments`
[INFO] [stdout]   --> src/advent2019/day03.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn line_segments(start: Point, line: &str) -> Vec<Segment> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `intersection`
[INFO] [stdout]   --> src/advent2019/day03.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn intersection(a: &Segment, b: &Segment) -> Option<Point> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `intersections`
[INFO] [stdout]   --> src/advent2019/day03.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn intersections(first_line: &Vec<Segment>, second_line: &Vec<Segment>) -> Vec<Point> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `manhattan_dist`
[INFO] [stdout]    --> src/advent2019/day03.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn manhattan_dist(a: &Point, b: &Point) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `length`
[INFO] [stdout]    --> src/advent2019/day03.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn length(s: &Segment) -> i32 {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `contains_point`
[INFO] [stdout]    --> src/advent2019/day03.rs:115:4
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn contains_point(s: &Segment, p: &Point) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pt1`
[INFO] [stdout]    --> src/advent2019/day03.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn pt1(first_line: &Vec<Segment>, second_line: &Vec<Segment>) -> () {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `delay`
[INFO] [stdout]    --> src/advent2019/day03.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn delay(line: &Vec<Segment>, p: &Point) -> i32 {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pt2`
[INFO] [stdout]    --> src/advent2019/day03.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn pt2(first_line: &Vec<Segment>, second_line: &Vec<Segment>) -> () {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]    --> src/advent2019/day03.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub fn run() -> () {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/advent2019/day04.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() -> () {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/advent2019/day05.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run() -> () {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `transitive_orbits`
[INFO] [stdout]   --> src/advent2019/day06.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn transitive_orbits(object: &str, orbit_map: &HashMap<&str, HashSet<&str>>) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_orbits`
[INFO] [stdout]   --> src/advent2019/day06.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn parse_orbits(lines: &Vec<String>, undirected: bool) -> HashMap<&str, HashSet<&str>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1`
[INFO] [stdout]   --> src/advent2019/day06.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn part1(lines: &Vec<String>) -> u32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `goto_target`
[INFO] [stdout]   --> src/advent2019/day06.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn goto_target(start: &str, target: &str, orbitee_map: &HashMap<&str, HashSet<&str>>) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2`
[INFO] [stdout]    --> src/advent2019/day06.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn part2(lines: &Vec<String>) -> u32 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]    --> src/advent2019/day06.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub fn run() -> () {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Position`
[INFO] [stdout]  --> src/advent2019/intcode.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Position,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Immediate`
[INFO] [stdout]  --> src/advent2019/intcode.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Immediate
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Plus`
[INFO] [stdout]   --> src/advent2019/intcode.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Plus,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mult`
[INFO] [stdout]   --> src/advent2019/intcode.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Mult,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Store`
[INFO] [stdout]   --> src/advent2019/intcode.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Store,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Output`
[INFO] [stdout]   --> src/advent2019/intcode.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Output,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `JumpIfTrue`
[INFO] [stdout]   --> src/advent2019/intcode.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     JumpIfTrue,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `JumpIfFalse`
[INFO] [stdout]   --> src/advent2019/intcode.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     JumpIfFalse,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LessThan`
[INFO] [stdout]   --> src/advent2019/intcode.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     LessThan,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Equals`
[INFO] [stdout]   --> src/advent2019/intcode.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Equals,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Halt`
[INFO] [stdout]   --> src/advent2019/intcode.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Halt
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `arity`
[INFO] [stdout]   --> src/advent2019/intcode.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn arity(&self) -> usize {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/advent2019/intcode.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn parse(instr: i32) -> (Opcode, Vec<ParameterMode>) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mode`
[INFO] [stdout]   --> src/advent2019/intcode.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn mode(&self, mode: ParameterMode, i: usize) -> ParameterMode {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_prog`
[INFO] [stdout]   --> src/advent2019/intcode.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub fn run_prog(mem: &mut Vec<i32>) -> () {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_prog`
[INFO] [stdout]    --> src/advent2019/intcode.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub fn parse_prog(prog: &str) -> Vec<i32> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `increasing_windows`
[INFO] [stdout]  --> src/advent2021/day01.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn increasing_windows(window_size: usize) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/advent2021/day01.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/advent2021/day02.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/advent2019/intcode.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 io::stdout().flush();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/advent2019/intcode.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 io::stdin().read_line(&mut input);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] [stdout] warning: 56 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c168032c261f61ac35190fef414b5b87f2d047a43a38e8fab10f97141e87c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c168032c261f61ac35190fef414b5b87f2d047a43a38e8fab10f97141e87c0f", kill_on_drop: false }`
[INFO] [stdout] 6c168032c261f61ac35190fef414b5b87f2d047a43a38e8fab10f97141e87c0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 418064bbaa37b49d134910bf67be9d063a26c2f0ab39027397c98aba8941cf11
[INFO] running `Command { std: "docker" "start" "-a" "418064bbaa37b49d134910bf67be9d063a26c2f0ab39027397c98aba8941cf11", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `BinaryHeap`
[INFO] [stderr]  --> src/advent2019/day06.rs:4:42
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::{HashMap, HashSet, BinaryHeap};
[INFO] [stderr]   |                                          ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::Map`
[INFO] [stderr]  --> src/advent2019/day06.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::iter::Map;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/advent2019/day03.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut x = 0;
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/advent2019/day03.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut y = 0;
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/advent2019/day06.rs:100:101
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let path_costs: HashMap<NodeIndex<u32>, u32> = dijkstra(&graph, *start_idx, Some(*target_idx), |e| 1);
[INFO] [stderr]     |                                                                                                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/advent2019/day03.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut x = 0;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/advent2019/day03.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut y = 0;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fuel_needed`
[INFO] [stderr]  --> src/advent2019/day01.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn fuel_needed(mass: i32) -> i32 {
[INFO] [stderr]   |    ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt1`
[INFO] [stderr]  --> src/advent2019/day01.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn pt1(lines: &Vec<String>) -> () {
[INFO] [stderr]   |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt2`
[INFO] [stderr]   --> src/advent2019/day01.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn pt2(lines: &Vec<String>) -> () {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/advent2019/day01.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn run() -> () {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `grav_assist_prog`
[INFO] [stderr]  --> src/advent2019/day02.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn grav_assist_prog(prog: &str, noun: i32, verb: i32) -> i32 {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt2`
[INFO] [stderr]   --> src/advent2019/day02.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn pt2(prog: &str) -> () {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/advent2019/day02.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn run() -> () {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `ORIGIN`
[INFO] [stderr]   --> src/advent2019/day03.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const ORIGIN: Point = Point {x: 0, y: 0};
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `start`
[INFO] [stderr]   --> src/advent2019/day03.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     start: Point,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `end`
[INFO] [stderr]   --> src/advent2019/day03.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     end: Point
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `line_segments`
[INFO] [stderr]   --> src/advent2019/day03.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn line_segments(start: Point, line: &str) -> Vec<Segment> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `intersection`
[INFO] [stderr]   --> src/advent2019/day03.rs:56:4
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn intersection(a: &Segment, b: &Segment) -> Option<Point> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `intersections`
[INFO] [stderr]   --> src/advent2019/day03.rs:85:4
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn intersections(first_line: &Vec<Segment>, second_line: &Vec<Segment>) -> Vec<Point> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `manhattan_dist`
[INFO] [stderr]    --> src/advent2019/day03.rs:107:4
[INFO] [stderr]     |
[INFO] [stderr] 107 | fn manhattan_dist(a: &Point, b: &Point) -> i32 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `length`
[INFO] [stderr]    --> src/advent2019/day03.rs:111:4
[INFO] [stderr]     |
[INFO] [stderr] 111 | fn length(s: &Segment) -> i32 {
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `contains_point`
[INFO] [stderr]    --> src/advent2019/day03.rs:115:4
[INFO] [stderr]     |
[INFO] [stderr] 115 | fn contains_point(s: &Segment, p: &Point) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt1`
[INFO] [stderr]    --> src/advent2019/day03.rs:125:4
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn pt1(first_line: &Vec<Segment>, second_line: &Vec<Segment>) -> () {
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `delay`
[INFO] [stderr]    --> src/advent2019/day03.rs:134:4
[INFO] [stderr]     |
[INFO] [stderr] 134 | fn delay(line: &Vec<Segment>, p: &Point) -> i32 {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pt2`
[INFO] [stderr]    --> src/advent2019/day03.rs:149:4
[INFO] [stderr]     |
[INFO] [stderr] 149 | fn pt2(first_line: &Vec<Segment>, second_line: &Vec<Segment>) -> () {
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]    --> src/advent2019/day03.rs:161:8
[INFO] [stderr]     |
[INFO] [stderr] 161 | pub fn run() -> () {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/advent2019/day04.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn run() -> () {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/advent2019/day05.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn run() -> () {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `transitive_orbits`
[INFO] [stderr]   --> src/advent2019/day06.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn transitive_orbits(object: &str, orbit_map: &HashMap<&str, HashSet<&str>>) -> u32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_orbits`
[INFO] [stderr]   --> src/advent2019/day06.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn parse_orbits(lines: &Vec<String>, undirected: bool) -> HashMap<&str, HashSet<&str>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1`
[INFO] [stderr]   --> src/advent2019/day06.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn part1(lines: &Vec<String>) -> u32 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `goto_target`
[INFO] [stderr]   --> src/advent2019/day06.rs:62:4
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn goto_target(start: &str, target: &str, orbitee_map: &HashMap<&str, HashSet<&str>>) -> u32 {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part2`
[INFO] [stderr]    --> src/advent2019/day06.rs:105:8
[INFO] [stderr]     |
[INFO] [stderr] 105 | pub fn part2(lines: &Vec<String>) -> u32 {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]    --> src/advent2019/day06.rs:113:8
[INFO] [stderr]     |
[INFO] [stderr] 113 | pub fn run() -> () {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Position`
[INFO] [stderr]  --> src/advent2019/intcode.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Position,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Immediate`
[INFO] [stderr]  --> src/advent2019/intcode.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Immediate
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Plus`
[INFO] [stderr]   --> src/advent2019/intcode.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Plus,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Mult`
[INFO] [stderr]   --> src/advent2019/intcode.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Mult,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Store`
[INFO] [stderr]   --> src/advent2019/intcode.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Store,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Output`
[INFO] [stderr]   --> src/advent2019/intcode.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Output,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `JumpIfTrue`
[INFO] [stderr]   --> src/advent2019/intcode.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     JumpIfTrue,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `JumpIfFalse`
[INFO] [stderr]   --> src/advent2019/intcode.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     JumpIfFalse,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessThan`
[INFO] [stderr]   --> src/advent2019/intcode.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     LessThan,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Equals`
[INFO] [stderr]   --> src/advent2019/intcode.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Equals,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Halt`
[INFO] [stderr]   --> src/advent2019/intcode.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Halt
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `arity`
[INFO] [stderr]   --> src/advent2019/intcode.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn arity(&self) -> usize {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse`
[INFO] [stderr]   --> src/advent2019/intcode.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn parse(instr: i32) -> (Opcode, Vec<ParameterMode>) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `mode`
[INFO] [stderr]   --> src/advent2019/intcode.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn mode(&self, mode: ParameterMode, i: usize) -> ParameterMode {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_prog`
[INFO] [stderr]   --> src/advent2019/intcode.rs:82:8
[INFO] [stderr]    |
[INFO] [stderr] 82 | pub fn run_prog(mem: &mut Vec<i32>) -> () {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_prog`
[INFO] [stderr]    --> src/advent2019/intcode.rs:149:8
[INFO] [stderr]     |
[INFO] [stderr] 149 | pub fn parse_prog(prog: &str) -> Vec<i32> {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `increasing_windows`
[INFO] [stderr]  --> src/advent2021/day01.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn increasing_windows(window_size: usize) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/advent2021/day01.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn run() {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/advent2021/day02.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/advent2019/intcode.rs:110:17
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 io::stdout().flush();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/advent2019/intcode.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 io::stdin().read_line(&mut input);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `advent-of-code` (bin "advent-of-code" test) generated 56 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent_of_code-bb40ce06e238376f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test bits::tests::test_dec_ith ... 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] running `Command { std: "docker" "inspect" "418064bbaa37b49d134910bf67be9d063a26c2f0ab39027397c98aba8941cf11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "418064bbaa37b49d134910bf67be9d063a26c2f0ab39027397c98aba8941cf11", kill_on_drop: false }`
[INFO] [stdout] 418064bbaa37b49d134910bf67be9d063a26c2f0ab39027397c98aba8941cf11