[INFO] cloning repository https://github.com/HichuYamichu/advent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HichuYamichu/advent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHichuYamichu%2Fadvent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHichuYamichu%2Fadvent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1de0085c6e4d54fe1be951857052d45e8ab3add
[INFO] testing HichuYamichu/advent against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHichuYamichu%2Fadvent" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HichuYamichu/advent on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HichuYamichu/advent
[INFO] finished tweaking git repo https://github.com/HichuYamichu/advent
[INFO] tweaked toml for git repo https://github.com/HichuYamichu/advent written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/HichuYamichu/advent already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0f0bd5bf163a97dc8e6777d90874a449ec20cfc3388ffec5338cfc2f7d1c9da5
[INFO] running `Command { std: "docker" "start" "-a" "0f0bd5bf163a97dc8e6777d90874a449ec20cfc3388ffec5338cfc2f7d1c9da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f0bd5bf163a97dc8e6777d90874a449ec20cfc3388ffec5338cfc2f7d1c9da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f0bd5bf163a97dc8e6777d90874a449ec20cfc3388ffec5338cfc2f7d1c9da5", kill_on_drop: false }`
[INFO] [stdout] 0f0bd5bf163a97dc8e6777d90874a449ec20cfc3388ffec5338cfc2f7d1c9da5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 536d479b4fbf7d62cf54ceb488e712d64795d3a5c6ff03ca636d8acec2ee8b4c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "536d479b4fbf7d62cf54ceb488e712d64795d3a5c6ff03ca636d8acec2ee8b4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day01.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day01.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day02.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn a(input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day02.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn b(input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find`
[INFO] [stdout]   --> src/solutions/y2019/day02.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn find(input: &str, replace1: usize, replace2: usize) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]   --> src/solutions/y2019/day03.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn a(input: &str) -> String {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]   --> src/solutions/y2019/day03.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn b(_input: &str) -> String {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_path`
[INFO] [stdout]   --> src/solutions/y2019/day03.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn parse_path(path: &str) -> Vec<(char, i32)> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_points`
[INFO] [stdout]   --> src/solutions/y2019/day03.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn find_points(wire_path: Vec<(char, i32)>) -> HashSet<Point> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day04.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]   --> src/solutions/y2019/day04.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn b(input: &str) -> String {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_input`
[INFO] [stdout]   --> src/solutions/y2019/day04.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn parse_input(input: &str) -> (u32, u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `number_to_vec`
[INFO] [stdout]   --> src/solutions/y2019/day04.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn number_to_vec(n: u32) -> Vec<u32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day05.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day05.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day06.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day06.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day07.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day07.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day08.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day08.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day09.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day09.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day10.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day10.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day11.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day11.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day12.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day12.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day13.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day13.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day14.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day14.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day15.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day15.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day16.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day16.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day17.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day17.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day18.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day18.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day19.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day19.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day20.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day20.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day21.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day21.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day22.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day22.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day23.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day23.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day24.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day24.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day25.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day25.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 55 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "536d479b4fbf7d62cf54ceb488e712d64795d3a5c6ff03ca636d8acec2ee8b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "536d479b4fbf7d62cf54ceb488e712d64795d3a5c6ff03ca636d8acec2ee8b4c", kill_on_drop: false }`
[INFO] [stdout] 536d479b4fbf7d62cf54ceb488e712d64795d3a5c6ff03ca636d8acec2ee8b4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fab6946e8f9fa2d1d9e757b08079b9b5ddc8e8be0373ec3f62bf343e56c3140e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fab6946e8f9fa2d1d9e757b08079b9b5ddc8e8be0373ec3f62bf343e56c3140e", kill_on_drop: false }`
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day01.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day01.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day02.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn a(input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day02.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn b(input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find`
[INFO] [stdout]   --> src/solutions/y2019/day02.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn find(input: &str, replace1: usize, replace2: usize) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]   --> src/solutions/y2019/day03.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn a(input: &str) -> String {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]   --> src/solutions/y2019/day03.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn b(_input: &str) -> String {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_path`
[INFO] [stdout]   --> src/solutions/y2019/day03.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn parse_path(path: &str) -> Vec<(char, i32)> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `find_points`
[INFO] [stdout]   --> src/solutions/y2019/day03.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn find_points(wire_path: Vec<(char, i32)>) -> HashSet<Point> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day04.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]   --> src/solutions/y2019/day04.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn b(input: &str) -> String {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_input`
[INFO] [stdout]   --> src/solutions/y2019/day04.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn parse_input(input: &str) -> (u32, u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `number_to_vec`
[INFO] [stdout]   --> src/solutions/y2019/day04.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn number_to_vec(n: u32) -> Vec<u32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day05.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day05.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day06.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day06.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day07.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day07.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day08.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day08.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day09.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day09.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day10.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day10.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day11.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day11.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day12.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day12.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day13.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day13.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day14.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day14.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day15.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day15.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day16.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day16.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day17.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day17.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day18.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day18.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day19.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day19.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day20.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day20.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day21.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day21.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day22.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day22.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day23.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day23.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day24.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day24.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day25.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day25.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 55 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day01.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day01.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day02.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn a(input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day02.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn b(input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find`
[INFO] [stdout]   --> src/solutions/y2019/day02.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn find(input: &str, replace1: usize, replace2: usize) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]   --> src/solutions/y2019/day03.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn a(input: &str) -> String {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]   --> src/solutions/y2019/day03.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn b(_input: &str) -> String {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_path`
[INFO] [stdout]   --> src/solutions/y2019/day03.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn parse_path(path: &str) -> Vec<(char, i32)> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_points`
[INFO] [stdout]   --> src/solutions/y2019/day03.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn find_points(wire_path: Vec<(char, i32)>) -> HashSet<Point> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day04.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]   --> src/solutions/y2019/day04.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn b(input: &str) -> String {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_input`
[INFO] [stdout]   --> src/solutions/y2019/day04.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn parse_input(input: &str) -> (u32, u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `number_to_vec`
[INFO] [stdout]   --> src/solutions/y2019/day04.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn number_to_vec(n: u32) -> Vec<u32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day05.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day05.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day06.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day06.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day07.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day07.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day08.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day08.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day09.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day09.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day10.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day10.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day11.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day11.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day12.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day12.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day13.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day13.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day14.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day14.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day15.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day15.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day16.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day16.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day17.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day17.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day18.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day18.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day19.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day19.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day20.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day20.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day21.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day21.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day22.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day22.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day23.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day23.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day24.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day24.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a`
[INFO] [stdout]  --> src/solutions/y2019/day25.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `b`
[INFO] [stdout]  --> src/solutions/y2019/day25.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn b(_input: &str) -> String {
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 55 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "fab6946e8f9fa2d1d9e757b08079b9b5ddc8e8be0373ec3f62bf343e56c3140e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fab6946e8f9fa2d1d9e757b08079b9b5ddc8e8be0373ec3f62bf343e56c3140e", kill_on_drop: false }`
[INFO] [stdout] fab6946e8f9fa2d1d9e757b08079b9b5ddc8e8be0373ec3f62bf343e56c3140e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 17f388d075171a589b696aceea3dffb0409b74a27a793af620b0a04e6cc7be36
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "17f388d075171a589b696aceea3dffb0409b74a27a793af620b0a04e6cc7be36", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day01.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day01.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day02.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn a(input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day02.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn b(input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find`
[INFO] [stderr]   --> src/solutions/y2019/day02.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn find(input: &str, replace1: usize, replace2: usize) -> Vec<usize> {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]   --> src/solutions/y2019/day03.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn a(input: &str) -> String {
[INFO] [stderr]    |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]   --> src/solutions/y2019/day03.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn b(_input: &str) -> String {
[INFO] [stderr]    |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_path`
[INFO] [stderr]   --> src/solutions/y2019/day03.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn parse_path(path: &str) -> Vec<(char, i32)> {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_points`
[INFO] [stderr]   --> src/solutions/y2019/day03.rs:39:4
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn find_points(wire_path: Vec<(char, i32)>) -> HashSet<Point> {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day04.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]   --> src/solutions/y2019/day04.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn b(input: &str) -> String {
[INFO] [stderr]    |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_input`
[INFO] [stderr]   --> src/solutions/y2019/day04.rs:58:4
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn parse_input(input: &str) -> (u32, u32) {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `number_to_vec`
[INFO] [stderr]   --> src/solutions/y2019/day04.rs:65:4
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn number_to_vec(n: u32) -> Vec<u32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day05.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day05.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day06.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day06.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day07.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day07.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day08.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day08.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day09.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day09.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day10.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day10.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day11.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day11.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day12.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day12.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day13.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day13.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day14.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day14.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day15.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day15.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day16.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day16.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day17.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day17.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day18.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day18.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day19.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day19.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day20.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day20.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day21.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day21.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day22.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day22.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day23.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day23.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day24.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day24.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day25.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day25.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: 55 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day01.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day01.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day02.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn a(input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day02.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn b(input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find`
[INFO] [stderr]   --> src/solutions/y2019/day02.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn find(input: &str, replace1: usize, replace2: usize) -> Vec<usize> {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]   --> src/solutions/y2019/day03.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn a(input: &str) -> String {
[INFO] [stderr]    |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]   --> src/solutions/y2019/day03.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn b(_input: &str) -> String {
[INFO] [stderr]    |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_path`
[INFO] [stderr]   --> src/solutions/y2019/day03.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn parse_path(path: &str) -> Vec<(char, i32)> {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_points`
[INFO] [stderr]   --> src/solutions/y2019/day03.rs:39:4
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn find_points(wire_path: Vec<(char, i32)>) -> HashSet<Point> {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day04.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]   --> src/solutions/y2019/day04.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn b(input: &str) -> String {
[INFO] [stderr]    |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_input`
[INFO] [stderr]   --> src/solutions/y2019/day04.rs:58:4
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn parse_input(input: &str) -> (u32, u32) {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `number_to_vec`
[INFO] [stderr]   --> src/solutions/y2019/day04.rs:65:4
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn number_to_vec(n: u32) -> Vec<u32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day05.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day05.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day06.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day06.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day07.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day07.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day08.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day08.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day09.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day09.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day10.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day10.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day11.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day11.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day12.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day12.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day13.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day13.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day14.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day14.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day15.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day15.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day16.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day16.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day17.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day17.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day18.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day18.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day19.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day19.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day20.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day20.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day21.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day21.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day22.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day22.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day23.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day23.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day24.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day24.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a`
[INFO] [stderr]  --> src/solutions/y2019/day25.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `b`
[INFO] [stderr]  --> src/solutions/y2019/day25.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn b(_input: &str) -> String {
[INFO] [stderr]   |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: 55 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/advent-b6bdf5fdff19696f
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/advent-553350ad2257233a
[INFO] [stderr]    Doc-tests advent
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "17f388d075171a589b696aceea3dffb0409b74a27a793af620b0a04e6cc7be36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f388d075171a589b696aceea3dffb0409b74a27a793af620b0a04e6cc7be36", kill_on_drop: false }`
[INFO] [stdout] 17f388d075171a589b696aceea3dffb0409b74a27a793af620b0a04e6cc7be36