[INFO] cloning repository https://github.com/qthibeault/advent-of-code-2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qthibeault/advent-of-code-2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqthibeault%2Fadvent-of-code-2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqthibeault%2Fadvent-of-code-2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78f7c24c496056ab1fc4709974e9b911d24b04dc
[INFO] testing qthibeault/advent-of-code-2023 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqthibeault%2Fadvent-of-code-2023" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/qthibeault/advent-of-code-2023
[INFO] finished tweaking git repo https://github.com/qthibeault/advent-of-code-2023
[INFO] tweaked toml for git repo https://github.com/qthibeault/advent-of-code-2023 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/qthibeault/advent-of-code-2023 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/qthibeault/advent-of-code-2023 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.4.1
[INFO] [stderr]   Downloaded winnow v0.5.26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95d70f03313e59ab37e226094cbb0286d171db7eab737f6ef8675c008570aad6
[INFO] running `Command { std: "docker" "start" "-a" "95d70f03313e59ab37e226094cbb0286d171db7eab737f6ef8675c008570aad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95d70f03313e59ab37e226094cbb0286d171db7eab737f6ef8675c008570aad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95d70f03313e59ab37e226094cbb0286d171db7eab737f6ef8675c008570aad6", kill_on_drop: false }`
[INFO] [stdout] 95d70f03313e59ab37e226094cbb0286d171db7eab737f6ef8675c008570aad6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] d9aa1d052a6b98c55c263c9b9aaf7907e7ce70801a3e2d481fdf1905058575f6
[INFO] running `Command { std: "docker" "start" "-a" "d9aa1d052a6b98c55c263c9b9aaf7907e7ce70801a3e2d481fdf1905058575f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling winnow v0.5.26
[INFO] [stderr]    Compiling day1 v0.1.0 (/opt/rustwide/workdir/day1)
[INFO] [stderr]    Compiling day3 v0.1.0 (/opt/rustwide/workdir/day3)
[INFO] [stdout] warning: method `symbols` is never used
[INFO] [stdout]    --> day3/src/schematic.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout] 69  | impl<'a> Schematic<'a> {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn symbols(&self) -> HashSet<char> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling day9 v0.1.0 (/opt/rustwide/workdir/day9)
[INFO] [stderr]    Compiling day7 v0.1.0 (/opt/rustwide/workdir/day7)
[INFO] [stderr]    Compiling day6 v0.1.0 (/opt/rustwide/workdir/day6)
[INFO] [stderr]    Compiling day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stderr]    Compiling day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]    Compiling day11 v0.1.0 (/opt/rustwide/workdir/day11)
[INFO] [stderr]    Compiling day5 v0.1.0 (/opt/rustwide/workdir/day5)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day12/src/main.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let mut groups: Vec<_> = self
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> day9/src/oasis.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl History {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 52 |     fn new<I>(values: I) -> Self
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Groups` is never constructed
[INFO] [stdout]   --> day12/src/main.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Groups<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `groups` and `is_valid` are never used
[INFO] [stdout]   --> day12/src/main.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Row {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] 40 |     fn groups(&self) -> Groups<'_> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn is_valid(&self, expected_groups: &[usize]) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Path` is never constructed
[INFO] [stdout]    --> day10/src/pipes.rs:187:8
[INFO] [stdout]     |
[INFO] [stdout] 187 | struct Path {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Path` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `start` and `step` are never used
[INFO] [stdout]    --> day10/src/pipes.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 192 | impl Path {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout] 193 |     fn start(p: Position) -> Self {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 200 |     fn step(&self, p: Position) -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling day2 v0.1.0 (/opt/rustwide/workdir/day2)
[INFO] [stderr]    Compiling day4 v0.1.0 (/opt/rustwide/workdir/day4)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> day2/src/game.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Colors {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 19 |     pub fn new(n_red: u32, n_green: u32, n_blue: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling day8 v0.1.0 (/opt/rustwide/workdir/day8)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.31s
[INFO] running `Command { std: "docker" "inspect" "d9aa1d052a6b98c55c263c9b9aaf7907e7ce70801a3e2d481fdf1905058575f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9aa1d052a6b98c55c263c9b9aaf7907e7ce70801a3e2d481fdf1905058575f6", kill_on_drop: false }`
[INFO] [stdout] d9aa1d052a6b98c55c263c9b9aaf7907e7ce70801a3e2d481fdf1905058575f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 2ef4ca4ae44fc4cc8d6650a9d7bbb044caf92aeb0515e4aa6411f79477e30b1a
[INFO] running `Command { std: "docker" "start" "-a" "2ef4ca4ae44fc4cc8d6650a9d7bbb044caf92aeb0515e4aa6411f79477e30b1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling day4 v0.1.0 (/opt/rustwide/workdir/day4)
[INFO] [stderr]    Compiling day2 v0.1.0 (/opt/rustwide/workdir/day2)
[INFO] [stderr]    Compiling day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stderr]    Compiling day9 v0.1.0 (/opt/rustwide/workdir/day9)
[INFO] [stderr]    Compiling day6 v0.1.0 (/opt/rustwide/workdir/day6)
[INFO] [stderr]    Compiling day7 v0.1.0 (/opt/rustwide/workdir/day7)
[INFO] [stderr]    Compiling day11 v0.1.0 (/opt/rustwide/workdir/day11)
[INFO] [stderr]    Compiling day5 v0.1.0 (/opt/rustwide/workdir/day5)
[INFO] [stderr]    Compiling day1 v0.1.0 (/opt/rustwide/workdir/day1)
[INFO] [stderr]    Compiling day3 v0.1.0 (/opt/rustwide/workdir/day3)
[INFO] [stderr]    Compiling day8 v0.1.0 (/opt/rustwide/workdir/day8)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day12/src/main.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let mut groups: Vec<_> = self
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Groups` is never constructed
[INFO] [stdout]   --> day12/src/main.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Groups<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `groups` and `is_valid` are never used
[INFO] [stdout]   --> day12/src/main.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Row {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] 40 |     fn groups(&self) -> Groups<'_> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn is_valid(&self, expected_groups: &[usize]) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `symbols` is never used
[INFO] [stdout]    --> day3/src/schematic.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout] 69  | impl<'a> Schematic<'a> {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn symbols(&self) -> HashSet<char> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pretty_assertions v1.4.0
[INFO] [stderr]    Compiling day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stdout] warning: struct `Path` is never constructed
[INFO] [stdout]    --> day10/src/pipes.rs:187:8
[INFO] [stdout]     |
[INFO] [stdout] 187 | struct Path {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Path` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `start` and `step` are never used
[INFO] [stdout]    --> day10/src/pipes.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 192 | impl Path {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout] 193 |     fn start(p: Position) -> Self {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 200 |     fn step(&self, p: Position) -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `Command { std: "docker" "inspect" "2ef4ca4ae44fc4cc8d6650a9d7bbb044caf92aeb0515e4aa6411f79477e30b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef4ca4ae44fc4cc8d6650a9d7bbb044caf92aeb0515e4aa6411f79477e30b1a", kill_on_drop: false }`
[INFO] [stdout] 2ef4ca4ae44fc4cc8d6650a9d7bbb044caf92aeb0515e4aa6411f79477e30b1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 9d5101ed5a0a1e90c3809b57fb340f5729bbd3324e40e8b5d221093f408902b9
[INFO] running `Command { std: "docker" "start" "-a" "9d5101ed5a0a1e90c3809b57fb340f5729bbd3324e40e8b5d221093f408902b9", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Path` is never constructed
[INFO] [stderr]    --> day10/src/pipes.rs:187:8
[INFO] [stderr]     |
[INFO] [stderr] 187 | struct Path {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Path` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `start` and `step` are never used
[INFO] [stderr]    --> day10/src/pipes.rs:193:8
[INFO] [stderr]     |
[INFO] [stderr] 192 | impl Path {
[INFO] [stderr]     | --------- associated items in this implementation
[INFO] [stderr] 193 |     fn start(p: Position) -> Self {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 200 |     fn step(&self, p: Position) -> Self {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `day10` (bin "day10" test) generated 2 warnings
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> day12/src/main.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let mut groups: Vec<_> = self
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Groups` is never constructed
[INFO] [stderr]   --> day12/src/main.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Groups<'a> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `groups` and `is_valid` are never used
[INFO] [stderr]   --> day12/src/main.rs:40:8
[INFO] [stderr]    |
[INFO] [stderr] 39 | impl Row {
[INFO] [stderr]    | -------- methods in this implementation
[INFO] [stderr] 40 |     fn groups(&self) -> Groups<'_> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 46 |     fn is_valid(&self, expected_groups: &[usize]) -> bool {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `day12` (bin "day12" test) generated 3 warnings (run `cargo fix --bin "day12" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: method `symbols` is never used
[INFO] [stderr]    --> day3/src/schematic.rs:133:12
[INFO] [stderr]     |
[INFO] [stderr] 69  | impl<'a> Schematic<'a> {
[INFO] [stderr]     | ---------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 133 |     pub fn symbols(&self) -> HashSet<char> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `day3` (bin "day3" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/day1-958d1d4ba644f927)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test part1::tests::part1 ... ok
[INFO] [stdout] test part2::tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/day10-10baceb4d855c57e)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test pipes::tests::max_steps ... ok
[INFO] [stdout] test pipes::tests::find_loop ... ok
[INFO] [stdout] test pipes::tests::parsing ... ok
[INFO] [stdout] test pipes::tests::contained_tiles ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/day11-9c9cb548d4735535)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::expansion ... ok
[INFO] [stdout] test tests::pairs ... ok
[INFO] [stdout] test tests::parsing ... ok
[INFO] [stdout] test tests::distance ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/day12-336dbae27b91bbc4)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::parse_record ... ok
[INFO] [stdout] test tests::row_groups ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/day2-065e7c80e0eac202)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test part1::tests::test_sum ... ok
[INFO] [stdout] test game::tests::test_parse_game ... ok
[INFO] [stdout] test part2::tests::test_min_possible ... ok
[INFO] [stdout] test part2::tests::test_power_sum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/day3-6414abd02984ca9e)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test schematic::tests::test_adjacent_spaces ... ok
[INFO] [stdout] test schematic::tests::test_part_numbers ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/day4-5f1409c30d713e7a)
[INFO] [stdout] test tests::test_part1 ... ok
[INFO] [stdout] test schematic::tests::test_gear_ratios ... ok
[INFO] [stdout] test tests::test_part2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test card::tests::copies ... ok
[INFO] [stdout] test card::tests::from_str ... ok
[INFO] [stdout] test card::tests::points ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/day5-bad3da135b126d6e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test almanac::tests::parsing ... ok
[INFO] [stdout] test almanac::tests::conversion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/day6-11c93ef110dcc88b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test race::tests::n_better_times ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/day7-2bc42e698b1a648c)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::kind ... ok
[INFO] [stdout] test tests::ord ... ok
[INFO] [stdout] test tests::total_winnings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/day8-d19111c00b7450aa)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_part2 ... ok
[INFO] [stdout] test tests::test_part1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/day9-6ad7abd27d7fa296)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test oasis::tests::extrapolate ... ok
[INFO] [stdout] test oasis::tests::parsing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9d5101ed5a0a1e90c3809b57fb340f5729bbd3324e40e8b5d221093f408902b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d5101ed5a0a1e90c3809b57fb340f5729bbd3324e40e8b5d221093f408902b9", kill_on_drop: false }`
[INFO] [stdout] 9d5101ed5a0a1e90c3809b57fb340f5729bbd3324e40e8b5d221093f408902b9