[INFO] cloning repository https://github.com/NathanEWhitaker/aoc2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NathanEWhitaker/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanEWhitaker%2Faoc2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanEWhitaker%2Faoc2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5862ec5391b6b7e952584eca9378973e8305825f
[INFO] checking NathanEWhitaker/aoc2021/5862ec5391b6b7e952584eca9378973e8305825f against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanEWhitaker%2Faoc2021" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NathanEWhitaker/aoc2021 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/NathanEWhitaker/aoc2021
[INFO] finished tweaking git repo https://github.com/NathanEWhitaker/aoc2021
[INFO] tweaked toml for git repo https://github.com/NathanEWhitaker/aoc2021 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/NathanEWhitaker/aoc2021 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] abe1b9917a2edd67f5044180ab2632a9ed306f6b08e06e88ff69663d59474bdc
[INFO] running `Command { std: "docker" "start" "-a" "abe1b9917a2edd67f5044180ab2632a9ed306f6b08e06e88ff69663d59474bdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abe1b9917a2edd67f5044180ab2632a9ed306f6b08e06e88ff69663d59474bdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abe1b9917a2edd67f5044180ab2632a9ed306f6b08e06e88ff69663d59474bdc", kill_on_drop: false }`
[INFO] [stdout] abe1b9917a2edd67f5044180ab2632a9ed306f6b08e06e88ff69663d59474bdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 67a9da3839f01a77df688de78ca74e2af419a4288520cac7682080e88208ae5d
[INFO] running `Command { std: "docker" "start" "-a" "67a9da3839f01a77df688de78ca74e2af419a4288520cac7682080e88208ae5d", kill_on_drop: false }`
[INFO] [stderr]     Checking advent_of_code_2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `SEGS_PER_0` is never used
[INFO] [stdout]  --> src/solutions/eight_a.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const SEGS_PER_0: i32 = 6;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEGS_PER_2` is never used
[INFO] [stdout]  --> src/solutions/eight_a.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const SEGS_PER_2: i32 = 5;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEGS_PER_3` is never used
[INFO] [stdout]  --> src/solutions/eight_a.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const SEGS_PER_3: i32 = 5;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEGS_PER_5` is never used
[INFO] [stdout]  --> src/solutions/eight_a.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const SEGS_PER_5: i32 = 5;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEGS_PER_6` is never used
[INFO] [stdout]  --> src/solutions/eight_a.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const SEGS_PER_6: i32 = 6;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEGS_PER_9` is never used
[INFO] [stdout]   --> src/solutions/eight_a.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const SEGS_PER_9: i32 = 6;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEGS_PER_0` is never used
[INFO] [stdout]  --> src/solutions/eight_a.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const SEGS_PER_0: i32 = 6;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEGS_PER_2` is never used
[INFO] [stdout]  --> src/solutions/eight_a.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const SEGS_PER_2: i32 = 5;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEGS_PER_3` is never used
[INFO] [stdout]  --> src/solutions/eight_a.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const SEGS_PER_3: i32 = 5;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEGS_PER_5` is never used
[INFO] [stdout]  --> src/solutions/eight_a.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const SEGS_PER_5: i32 = 5;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEGS_PER_6` is never used
[INFO] [stdout]  --> src/solutions/eight_a.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const SEGS_PER_6: i32 = 6;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEGS_PER_9` is never used
[INFO] [stdout]   --> src/solutions/eight_a.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const SEGS_PER_9: i32 = 6;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/solutions/five_b.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cell_str` is never used
[INFO] [stdout]   --> src/solutions/five_b.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn cell_str(c: &usize) -> String {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `board_to_str` is never used
[INFO] [stdout]   --> src/solutions/five_b.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn board_to_str(board: &Board) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `c_str` is never used
[INFO] [stdout]   --> src/solutions/five_a.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn c_str(c: &usize) -> String {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `c_str` is never used
[INFO] [stdout]   --> src/solutions/five_a.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn c_str(c: &usize) -> String {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_board` is never used
[INFO] [stdout]   --> src/solutions/four_b.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl BingoBoard {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn print_board(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `board_to_str` is never used
[INFO] [stdout]   --> src/solutions/five_a.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn board_to_str(board: &Board) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `board_to_str` is never used
[INFO] [stdout]   --> src/solutions/five_a.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn board_to_str(board: &Board) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `index` and `print_str` are never used
[INFO] [stdout]   --> src/solutions/eleven_b.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'a> OctoBoard<'a> {
[INFO] [stdout]    | ---------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn index(&self, index: (i32, i32)) -> Option<EnergyLevel> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     fn print_str(&self) {
[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] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/solutions/four_a.rs:82:25
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn board_lines_to_board(mut lines: &[String]) -> BingoBoard {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/solutions/five_b.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashSet;
[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: method `print_board` is never used
[INFO] [stdout]   --> src/solutions/four_b.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl BingoBoard {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn print_board(&self) {
[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: function `cell_str` is never used
[INFO] [stdout]   --> src/solutions/five_b.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn cell_str(c: &usize) -> String {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `board_to_str` is never used
[INFO] [stdout]   --> src/solutions/five_b.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn board_to_str(board: &Board) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/solutions/four_a.rs:82:25
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn board_lines_to_board(mut lines: &[String]) -> BingoBoard {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `index` and `print_str` are never used
[INFO] [stdout]   --> src/solutions/eleven_b.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'a> OctoBoard<'a> {
[INFO] [stdout]    | ---------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn index(&self, index: (i32, i32)) -> Option<EnergyLevel> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     fn print_str(&self) {
[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 0.39s
[INFO] running `Command { std: "docker" "inspect" "67a9da3839f01a77df688de78ca74e2af419a4288520cac7682080e88208ae5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a9da3839f01a77df688de78ca74e2af419a4288520cac7682080e88208ae5d", kill_on_drop: false }`
[INFO] [stdout] 67a9da3839f01a77df688de78ca74e2af419a4288520cac7682080e88208ae5d