[INFO] cloning repository https://github.com/Choc13/aoc2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Choc13/aoc2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChoc13%2Faoc2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChoc13%2Faoc2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7095e04360a838002b906af520a0f76021856495
[INFO] checking Choc13/aoc2023/7095e04360a838002b906af520a0f76021856495 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChoc13%2Faoc2023" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Choc13/aoc2023 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Choc13/aoc2023
[INFO] finished tweaking git repo https://github.com/Choc13/aoc2023
[INFO] tweaked toml for git repo https://github.com/Choc13/aoc2023 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Choc13/aoc2023 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f39dd6a1e34452460e50463eed54d77edb7089f352b083fcff113b982d964b63
[INFO] running `Command { std: "docker" "start" "-a" "f39dd6a1e34452460e50463eed54d77edb7089f352b083fcff113b982d964b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f39dd6a1e34452460e50463eed54d77edb7089f352b083fcff113b982d964b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f39dd6a1e34452460e50463eed54d77edb7089f352b083fcff113b982d964b63", kill_on_drop: false }`
[INFO] [stdout] f39dd6a1e34452460e50463eed54d77edb7089f352b083fcff113b982d964b63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 464b107cc882d4ee7bf9ba31f722d2fe60ff4c03903770e9bf9c70d67e43643e
[INFO] running `Command { std: "docker" "start" "-a" "464b107cc882d4ee7bf9ba31f722d2fe60ff4c03903770e9bf9c70d67e43643e", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking day8 v0.1.0 (/opt/rustwide/workdir/day8)
[INFO] [stderr]     Checking day9 v0.1.0 (/opt/rustwide/workdir/day9)
[INFO] [stderr]     Checking day6 v0.1.0 (/opt/rustwide/workdir/day6)
[INFO] [stderr]     Checking day3 v0.1.0 (/opt/rustwide/workdir/day3)
[INFO] [stderr]     Checking day7 v0.1.0 (/opt/rustwide/workdir/day7)
[INFO] [stderr]     Checking day1a v0.1.0 (/opt/rustwide/workdir/day1a)
[INFO] [stderr]     Checking day4 v0.1.0 (/opt/rustwide/workdir/day4)
[INFO] [stdout] warning: unused import: `std::ops::Div`
[INFO] [stdout]  --> day6/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::Div;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_races` is never used
[INFO] [stdout]   --> day6/src/main.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn parse_races<'a, T: std::io::Read>(reader: BufReader<T>) -> Vec<Race> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `answer_a` is never used
[INFO] [stdout]   --> day6/src/main.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn answer_a<T: std::io::Read>(reader: BufReader<T>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day1b v0.1.0 (/opt/rustwide/workdir/day1b)
[INFO] [stdout] warning: method `score` is never used
[INFO] [stdout]   --> day4/src/main.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Card {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn score(&self) -> u64 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `answer_a` is never used
[INFO] [stdout]   --> day4/src/main.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn answer_a<T: std::io::Read>(reader: BufReader<T>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `answer_a` is never used
[INFO] [stdout]    --> day7/src/main.rs:264:4
[INFO] [stdout]     |
[INFO] [stdout] 264 | fn answer_a<T: std::io::Read>(reader: BufReader<T>) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day5 v0.1.0 (/opt/rustwide/workdir/day5)
[INFO] [stderr]     Checking day2 v0.1.0 (/opt/rustwide/workdir/day2)
[INFO] [stdout] warning: unused import: `std::ops::Div`
[INFO] [stdout]  --> day6/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::Div;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `part_numbers` and `print` are never used
[INFO] [stdout]    --> day3/src/main.rs:64:8
[INFO] [stdout]     |
[INFO] [stdout] 56  | impl Schematic {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64  |     fn part_numbers(&self) -> impl Iterator<Item = u64> + '_ {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn print(&self) -> String {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `answer_a` is never used
[INFO] [stdout]    --> day3/src/main.rs:209:4
[INFO] [stdout]     |
[INFO] [stdout] 209 | fn answer_a(file: &File) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> day2/src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct Game {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 54 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `answer_a` is never used
[INFO] [stdout]    --> day2/src/main.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn answer_a(file: File) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `part_numbers` and `print` are never used
[INFO] [stdout]    --> day3/src/main.rs:64:8
[INFO] [stdout]     |
[INFO] [stdout] 56  | impl Schematic {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64  |     fn part_numbers(&self) -> impl Iterator<Item = u64> + '_ {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn print(&self) -> String {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `answer_a` is never used
[INFO] [stdout]    --> day3/src/main.rs:209:4
[INFO] [stdout]     |
[INFO] [stdout] 209 | fn answer_a(file: &File) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `predict_prev` is never used
[INFO] [stdout]   --> day9/src/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl MeasurementHistory {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn predict_prev(&self) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `answer_b` is never used
[INFO] [stdout]   --> day9/src/main.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn answer_b<T: std::io::Read>(reader: BufReader<T>) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> day2/src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct Game {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 54 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `lookup_seed_location` and `closest_seed_location` are never used
[INFO] [stdout]    --> day5/src/main.rs:223:8
[INFO] [stdout]     |
[INFO] [stdout] 212 | impl Almanac {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 223 |     fn lookup_seed_location(&self, seed: u64) -> u64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 227 |     fn closest_seed_location(&self) -> u64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `answer_a` is never used
[INFO] [stdout]    --> day5/src/main.rs:297:4
[INFO] [stdout]     |
[INFO] [stdout] 297 | fn answer_a<T: std::io::Read>(reader: BufReader<T>) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `answer_a` is never used
[INFO] [stdout]    --> day2/src/main.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn answer_a(file: File) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `answer_a` is never used
[INFO] [stdout]    --> day8/src/main.rs:141:4
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn answer_a<T: std::io::Read>(reader: BufReader<T>) -> u64 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "464b107cc882d4ee7bf9ba31f722d2fe60ff4c03903770e9bf9c70d67e43643e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "464b107cc882d4ee7bf9ba31f722d2fe60ff4c03903770e9bf9c70d67e43643e", kill_on_drop: false }`
[INFO] [stdout] 464b107cc882d4ee7bf9ba31f722d2fe60ff4c03903770e9bf9c70d67e43643e