[INFO] cloning repository https://github.com/simon-frankau/advent_of_code_2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simon-frankau/advent_of_code_2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimon-frankau%2Fadvent_of_code_2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimon-frankau%2Fadvent_of_code_2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d06bb4fdd03f254596e7607e0ba846ffbc7c3290
[INFO] testing simon-frankau/advent_of_code_2018 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimon-frankau%2Fadvent_of_code_2018" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simon-frankau/advent_of_code_2018 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/simon-frankau/advent_of_code_2018
[INFO] finished tweaking git repo https://github.com/simon-frankau/advent_of_code_2018
[INFO] tweaked toml for git repo https://github.com/simon-frankau/advent_of_code_2018 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/simon-frankau/advent_of_code_2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12f5eb4a49be99f67a9b08110298781725187562a55cc558a3a8af1e91e314d0
[INFO] running `Command { std: "docker" "start" "-a" "12f5eb4a49be99f67a9b08110298781725187562a55cc558a3a8af1e91e314d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12f5eb4a49be99f67a9b08110298781725187562a55cc558a3a8af1e91e314d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f5eb4a49be99f67a9b08110298781725187562a55cc558a3a8af1e91e314d0", kill_on_drop: false }`
[INFO] [stdout] 12f5eb4a49be99f67a9b08110298781725187562a55cc558a3a8af1e91e314d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6dbdae43f82d1f21fb7aef53eb3d9abb33814b0d83202c4808f5831a6c2645d
[INFO] running `Command { std: "docker" "start" "-a" "e6dbdae43f82d1f21fb7aef53eb3d9abb33814b0d83202c4808f5831a6c2645d", kill_on_drop: false }`
[INFO] [stderr]    Compiling day11a v0.1.0 (/opt/rustwide/workdir/day11a)
[INFO] [stderr]    Compiling day15a v0.1.0 (/opt/rustwide/workdir/day15a)
[INFO] [stderr]    Compiling day13b v0.1.0 (/opt/rustwide/workdir/day13b)
[INFO] [stderr]    Compiling day04a v0.1.0 (/opt/rustwide/workdir/day04a)
[INFO] [stderr]    Compiling day20b v0.1.0 (/opt/rustwide/workdir/day20b)
[INFO] [stderr]    Compiling day18b v0.1.0 (/opt/rustwide/workdir/day18b)
[INFO] [stderr]    Compiling day06a v0.1.0 (/opt/rustwide/workdir/day06a)
[INFO] [stderr]    Compiling day24a v0.1.0 (/opt/rustwide/workdir/day24a)
[INFO] [stderr]    Compiling day01a v0.1.0 (/opt/rustwide/workdir/day01a)
[INFO] [stderr]    Compiling day15b v0.1.0 (/opt/rustwide/workdir/day15b)
[INFO] [stderr]    Compiling day16b v0.1.0 (/opt/rustwide/workdir/day16b)
[INFO] [stderr]    Compiling day18a v0.1.0 (/opt/rustwide/workdir/day18a)
[INFO] [stderr]    Compiling day03a v0.1.0 (/opt/rustwide/workdir/day03a)
[INFO] [stderr]    Compiling day03b v0.1.0 (/opt/rustwide/workdir/day03b)
[INFO] [stderr]    Compiling day24b v0.1.0 (/opt/rustwide/workdir/day24b)
[INFO] [stderr]    Compiling day04b v0.1.0 (/opt/rustwide/workdir/day04b)
[INFO] [stderr]    Compiling day01b v0.1.0 (/opt/rustwide/workdir/day01b)
[INFO] [stderr]    Compiling day22b v0.1.0 (/opt/rustwide/workdir/day22b)
[INFO] [stderr]    Compiling day12b v0.1.0 (/opt/rustwide/workdir/day12b)
[INFO] [stderr]    Compiling day08b v0.1.0 (/opt/rustwide/workdir/day08b)
[INFO] [stderr]    Compiling day07b v0.1.0 (/opt/rustwide/workdir/day07b)
[INFO] [stderr]    Compiling day08a v0.1.0 (/opt/rustwide/workdir/day08a)
[INFO] [stderr]    Compiling day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]    Compiling day19 v0.1.0 (/opt/rustwide/workdir/day19)
[INFO] [stderr]    Compiling day05a v0.1.0 (/opt/rustwide/workdir/day05a)
[INFO] [stderr]    Compiling day05b v0.1.0 (/opt/rustwide/workdir/day05b)
[INFO] [stderr]    Compiling day16a v0.1.0 (/opt/rustwide/workdir/day16a)
[INFO] [stderr]    Compiling day25a v0.1.0 (/opt/rustwide/workdir/day25a)
[INFO] [stderr]    Compiling day07a v0.1.0 (/opt/rustwide/workdir/day07a)
[INFO] [stderr]    Compiling day12a v0.1.0 (/opt/rustwide/workdir/day12a)
[INFO] [stderr]    Compiling day17 v0.1.0 (/opt/rustwide/workdir/day17)
[INFO] [stderr]    Compiling day21 v0.1.0 (/opt/rustwide/workdir/day21)
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]   --> day18b/src/main.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let height = grid.len();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> day18b/src/main.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let width = grid[0].len();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elf_power`
[INFO] [stdout]    --> day15b/src/main.rs:361:9
[INFO] [stdout]     |
[INFO] [stdout] 361 |     let elf_power = 4;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elf_power`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_x`
[INFO] [stdout]   --> day17/src/main.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     max_x: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_grid`
[INFO] [stdout]  --> day18b/src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn print_grid(grid: &VecDeque<Vec<char>>) {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `disp`
[INFO] [stdout]   --> day15b/src/main.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn disp(&self) -> char {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_grid`
[INFO] [stdout]   --> day15b/src/main.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn print_grid(grid: &Vec<Vec<Square>>) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_units`
[INFO] [stdout]   --> day15b/src/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn print_units(grid: &Vec<Vec<Square>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> day19/src/main.rs:106:80
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let ip: usize = lines.next().unwrap().replace("#ip ", "").parse().unwrap();;
[INFO] [stdout]     |                                                                                ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r1` is never read
[INFO] [stdout]  --> day21/src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut r1: i64 = 0;
[INFO] [stdout]   |             ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]   --> day18a/src/main.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let height = grid.len();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> day18a/src/main.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let width = grid[0].len();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PATTERN_SIZE`
[INFO] [stdout]   --> day12b/src/main.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const PATTERN_SIZE: i32 = 5;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PATTERN_CENTRE`
[INFO] [stdout]   --> day12b/src/main.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | const PATTERN_CENTRE: i32 = 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `GENERATIONS`
[INFO] [stdout]   --> day12b/src/main.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const GENERATIONS: i32 = 200;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_str`
[INFO] [stdout]   --> day12b/src/main.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn from_str(str: &str) -> State {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> day12b/src/main.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn update(&self, plants: &HashSet<String>) -> State {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `score`
[INFO] [stdout]   --> day12b/src/main.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn score(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `build_map`
[INFO] [stdout]   --> day12b/src/main.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn build_map() -> HashSet<String> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_track`
[INFO] [stdout]   --> day13b/src/main.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn print_track(grid: &Vec<Vec<char>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day14b v0.1.0 (/opt/rustwide/workdir/day14b)
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day06b v0.1.0 (/opt/rustwide/workdir/day06b)
[INFO] [stderr]    Compiling day11b v0.1.0 (/opt/rustwide/workdir/day11b)
[INFO] [stderr]    Compiling day23b v0.1.0 (/opt/rustwide/workdir/day23b)
[INFO] [stderr]    Compiling day22a v0.1.0 (/opt/rustwide/workdir/day22a)
[INFO] [stderr]    Compiling day02a v0.1.0 (/opt/rustwide/workdir/day02a)
[INFO] [stderr]    Compiling day23a v0.1.0 (/opt/rustwide/workdir/day23a)
[INFO] [stderr]    Compiling day14a v0.1.0 (/opt/rustwide/workdir/day14a)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day09 v0.1.0 (/opt/rustwide/workdir/day09)
[INFO] [stderr]    Compiling day20a v0.1.0 (/opt/rustwide/workdir/day20a)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day02b v0.1.0 (/opt/rustwide/workdir/day02b)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_erosion_levels`
[INFO] [stdout]   --> day22a/src/main.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn print_erosion_levels(erosion_levels: &Vec<Vec<usize>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day13a v0.1.0 (/opt/rustwide/workdir/day13a)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.48s
[INFO] running `Command { std: "docker" "inspect" "e6dbdae43f82d1f21fb7aef53eb3d9abb33814b0d83202c4808f5831a6c2645d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6dbdae43f82d1f21fb7aef53eb3d9abb33814b0d83202c4808f5831a6c2645d", kill_on_drop: false }`
[INFO] [stdout] e6dbdae43f82d1f21fb7aef53eb3d9abb33814b0d83202c4808f5831a6c2645d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f12f3d018efc043138e4383764eb97e072b8c35504273c93b1feb6c9a850794
[INFO] running `Command { std: "docker" "start" "-a" "9f12f3d018efc043138e4383764eb97e072b8c35504273c93b1feb6c9a850794", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling day04b v0.1.0 (/opt/rustwide/workdir/day04b)
[INFO] [stderr]    Compiling day06b v0.1.0 (/opt/rustwide/workdir/day06b)
[INFO] [stderr]    Compiling day11a v0.1.0 (/opt/rustwide/workdir/day11a)
[INFO] [stderr]    Compiling day18a v0.1.0 (/opt/rustwide/workdir/day18a)
[INFO] [stderr]    Compiling day03b v0.1.0 (/opt/rustwide/workdir/day03b)
[INFO] [stderr]    Compiling day01a v0.1.0 (/opt/rustwide/workdir/day01a)
[INFO] [stderr]    Compiling day18b v0.1.0 (/opt/rustwide/workdir/day18b)
[INFO] [stderr]    Compiling day15b v0.1.0 (/opt/rustwide/workdir/day15b)
[INFO] [stderr]    Compiling day22b v0.1.0 (/opt/rustwide/workdir/day22b)
[INFO] [stderr]    Compiling day12a v0.1.0 (/opt/rustwide/workdir/day12a)
[INFO] [stderr]    Compiling day23a v0.1.0 (/opt/rustwide/workdir/day23a)
[INFO] [stderr]    Compiling day16a v0.1.0 (/opt/rustwide/workdir/day16a)
[INFO] [stderr]    Compiling day22a v0.1.0 (/opt/rustwide/workdir/day22a)
[INFO] [stderr]    Compiling day24a v0.1.0 (/opt/rustwide/workdir/day24a)
[INFO] [stderr]    Compiling day07a v0.1.0 (/opt/rustwide/workdir/day07a)
[INFO] [stderr]    Compiling day05b v0.1.0 (/opt/rustwide/workdir/day05b)
[INFO] [stderr]    Compiling day21 v0.1.0 (/opt/rustwide/workdir/day21)
[INFO] [stderr]    Compiling day09 v0.1.0 (/opt/rustwide/workdir/day09)
[INFO] [stderr]    Compiling day24b v0.1.0 (/opt/rustwide/workdir/day24b)
[INFO] [stderr]    Compiling day14b v0.1.0 (/opt/rustwide/workdir/day14b)
[INFO] [stderr]    Compiling day02a v0.1.0 (/opt/rustwide/workdir/day02a)
[INFO] [stderr]    Compiling day23b v0.1.0 (/opt/rustwide/workdir/day23b)
[INFO] [stderr]    Compiling day17 v0.1.0 (/opt/rustwide/workdir/day17)
[INFO] [stderr]    Compiling day13a v0.1.0 (/opt/rustwide/workdir/day13a)
[INFO] [stderr]    Compiling day25a v0.1.0 (/opt/rustwide/workdir/day25a)
[INFO] [stderr]    Compiling day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]    Compiling day19 v0.1.0 (/opt/rustwide/workdir/day19)
[INFO] [stderr]    Compiling day20a v0.1.0 (/opt/rustwide/workdir/day20a)
[INFO] [stderr]    Compiling day12b v0.1.0 (/opt/rustwide/workdir/day12b)
[INFO] [stderr]    Compiling day13b v0.1.0 (/opt/rustwide/workdir/day13b)
[INFO] [stderr]    Compiling day07b v0.1.0 (/opt/rustwide/workdir/day07b)
[INFO] [stderr]    Compiling day02b v0.1.0 (/opt/rustwide/workdir/day02b)
[INFO] [stdout] warning: value assigned to `r1` is never read
[INFO] [stdout]  --> day21/src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut r1: i64 = 0;
[INFO] [stdout]   |             ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> day19/src/main.rs:106:80
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let ip: usize = lines.next().unwrap().replace("#ip ", "").parse().unwrap();;
[INFO] [stdout]     |                                                                                ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elf_power`
[INFO] [stdout]    --> day15b/src/main.rs:361:9
[INFO] [stdout]     |
[INFO] [stdout] 361 |     let elf_power = 4;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elf_power`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]   --> day18a/src/main.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let height = grid.len();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> day18a/src/main.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let width = grid[0].len();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `disp`
[INFO] [stdout]   --> day15b/src/main.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn disp(&self) -> char {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_grid`
[INFO] [stdout]   --> day15b/src/main.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn print_grid(grid: &Vec<Vec<Square>>) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_units`
[INFO] [stdout]   --> day15b/src/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn print_units(grid: &Vec<Vec<Square>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PATTERN_SIZE`
[INFO] [stdout]   --> day12b/src/main.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const PATTERN_SIZE: i32 = 5;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PATTERN_CENTRE`
[INFO] [stdout]   --> day12b/src/main.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | const PATTERN_CENTRE: i32 = 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `GENERATIONS`
[INFO] [stdout]   --> day12b/src/main.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const GENERATIONS: i32 = 200;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_str`
[INFO] [stdout]   --> day12b/src/main.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn from_str(str: &str) -> State {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> day12b/src/main.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn update(&self, plants: &HashSet<String>) -> State {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `score`
[INFO] [stdout]   --> day12b/src/main.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn score(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `build_map`
[INFO] [stdout]   --> day12b/src/main.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn build_map() -> HashSet<String> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_erosion_levels`
[INFO] [stdout]   --> day22a/src/main.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn print_erosion_levels(erosion_levels: &Vec<Vec<usize>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_x`
[INFO] [stdout]   --> day17/src/main.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     max_x: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]   --> day18b/src/main.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let height = grid.len();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> day18b/src/main.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let width = grid[0].len();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day08a v0.1.0 (/opt/rustwide/workdir/day08a)
[INFO] [stdout] warning: function is never used: `print_track`
[INFO] [stdout]   --> day13b/src/main.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn print_track(grid: &Vec<Vec<char>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_grid`
[INFO] [stdout]  --> day18b/src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn print_grid(grid: &VecDeque<Vec<char>>) {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day16b v0.1.0 (/opt/rustwide/workdir/day16b)
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day11b v0.1.0 (/opt/rustwide/workdir/day11b)
[INFO] [stderr]    Compiling day15a v0.1.0 (/opt/rustwide/workdir/day15a)
[INFO] [stderr]    Compiling day08b v0.1.0 (/opt/rustwide/workdir/day08b)
[INFO] [stderr]    Compiling day01b v0.1.0 (/opt/rustwide/workdir/day01b)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day14a v0.1.0 (/opt/rustwide/workdir/day14a)
[INFO] [stderr]    Compiling day03a v0.1.0 (/opt/rustwide/workdir/day03a)
[INFO] [stderr]    Compiling day05a v0.1.0 (/opt/rustwide/workdir/day05a)
[INFO] [stderr]    Compiling day04a v0.1.0 (/opt/rustwide/workdir/day04a)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day20b v0.1.0 (/opt/rustwide/workdir/day20b)
[INFO] [stderr]    Compiling day06a v0.1.0 (/opt/rustwide/workdir/day06a)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.96s
[INFO] running `Command { std: "docker" "inspect" "9f12f3d018efc043138e4383764eb97e072b8c35504273c93b1feb6c9a850794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f12f3d018efc043138e4383764eb97e072b8c35504273c93b1feb6c9a850794", kill_on_drop: false }`
[INFO] [stdout] 9f12f3d018efc043138e4383764eb97e072b8c35504273c93b1feb6c9a850794
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 080ebebd7b09b5c929ea4ac596c45b191b224a55db0de77ec4c3c38266e48592
[INFO] running `Command { std: "docker" "start" "-a" "080ebebd7b09b5c929ea4ac596c45b191b224a55db0de77ec4c3c38266e48592", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]   --> day18a/src/main.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let height = grid.len();
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]   --> day18a/src/main.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let width = grid[0].len();
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `PATTERN_SIZE`
[INFO] [stderr]   --> day12b/src/main.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | const PATTERN_SIZE: i32 = 5;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `PATTERN_CENTRE`
[INFO] [stderr]   --> day12b/src/main.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const PATTERN_CENTRE: i32 = 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `GENERATIONS`
[INFO] [stderr]   --> day12b/src/main.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | const GENERATIONS: i32 = 200;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_str`
[INFO] [stderr]   --> day12b/src/main.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn from_str(str: &str) -> State {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `update`
[INFO] [stderr]   --> day12b/src/main.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn update(&self, plants: &HashSet<String>) -> State {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `score`
[INFO] [stderr]   --> day12b/src/main.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn score(&self) -> i32 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `build_map`
[INFO] [stderr]   --> day12b/src/main.rs:73:4
[INFO] [stderr]    |
[INFO] [stderr] 73 | fn build_map() -> HashSet<String> {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `max_x`
[INFO] [stderr]   --> day17/src/main.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     max_x: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_track`
[INFO] [stderr]   --> day13b/src/main.rs:74:4
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn print_track(grid: &Vec<Vec<char>>) {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> day19/src/main.rs:106:80
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let ip: usize = lines.next().unwrap().replace("#ip ", "").parse().unwrap();;
[INFO] [stderr]     |                                                                                ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]   --> day18b/src/main.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let height = grid.len();
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]   --> day18b/src/main.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let width = grid[0].len();
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_grid`
[INFO] [stderr]  --> day18b/src/main.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn print_grid(grid: &VecDeque<Vec<char>>) {
[INFO] [stderr]   |    ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `elf_power`
[INFO] [stderr]    --> day15b/src/main.rs:361:9
[INFO] [stderr]     |
[INFO] [stderr] 361 |     let elf_power = 4;
[INFO] [stderr]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elf_power`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `disp`
[INFO] [stderr]   --> day15b/src/main.rs:50:8
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn disp(&self) -> char {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_grid`
[INFO] [stderr]   --> day15b/src/main.rs:62:4
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn print_grid(grid: &Vec<Vec<Square>>) {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_units`
[INFO] [stderr]   --> day15b/src/main.rs:71:4
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn print_units(grid: &Vec<Vec<Square>>) {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_erosion_levels`
[INFO] [stderr]   --> day22a/src/main.rs:23:4
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn print_erosion_levels(erosion_levels: &Vec<Vec<usize>>) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `r1` is never read
[INFO] [stderr]  --> day21/src/main.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut r1: i64 = 0;
[INFO] [stderr]   |             ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day01a-a258c07ee60db4b0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day01b-535d03db3afca8c1)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day02a-26191fcbdfd174e1)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day02b-b2e2b40ac43306c8)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day03a-3874a937be14b1a9)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day03b-b6b3396fb433f0d9)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day04a-0035c38b37a70ce5)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day04b-549bc9f167598db3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day05a-d7d3b5bde071d509)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day05b-0d99924c753f6e10)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day06a-084dda9ba82b94d6)
[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] 
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[INFO] running `Command { std: "docker" "inspect" "080ebebd7b09b5c929ea4ac596c45b191b224a55db0de77ec4c3c38266e48592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "080ebebd7b09b5c929ea4ac596c45b191b224a55db0de77ec4c3c38266e48592", kill_on_drop: false }`
[INFO] [stdout] 080ebebd7b09b5c929ea4ac596c45b191b224a55db0de77ec4c3c38266e48592