[INFO] cloning repository https://github.com/mrbarge/aoc2015-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrbarge/aoc2015-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrbarge%2Faoc2015-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrbarge%2Faoc2015-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2231d33e0174963e20887fe0f23667b479ec1b36
[INFO] building mrbarge/aoc2015-rust against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrbarge%2Faoc2015-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/mrbarge/aoc2015-rust
[INFO] finished tweaking git repo https://github.com/mrbarge/aoc2015-rust
[INFO] tweaked toml for git repo https://github.com/mrbarge/aoc2015-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mrbarge/aoc2015-rust on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mrbarge/aoc2015-rust 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pico-args v0.5.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.83
[INFO] [stderr]   Downloaded serde_derive v1.0.202
[INFO] [stderr]   Downloaded aho-corasick v1.1.2
[INFO] [stderr]   Downloaded serde v1.0.202
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bf1853bdab33efcb01bb6cdcdf8eb10a7d1f84a86c39eee50a5a1aa18890a0b
[INFO] running `Command { std: "docker" "start" "-a" "6bf1853bdab33efcb01bb6cdcdf8eb10a7d1f84a86c39eee50a5a1aa18890a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bf1853bdab33efcb01bb6cdcdf8eb10a7d1f84a86c39eee50a5a1aa18890a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bf1853bdab33efcb01bb6cdcdf8eb10a7d1f84a86c39eee50a5a1aa18890a0b", kill_on_drop: false }`
[INFO] [stdout] 6bf1853bdab33efcb01bb6cdcdf8eb10a7d1f84a86c39eee50a5a1aa18890a0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c437ff3ca29ea12cccfc3c9508f21079f7668fb83c147c7d96cee61fe07b73b7
[INFO] running `Command { std: "docker" "start" "-a" "c437ff3ca29ea12cccfc3c9508f21079f7668fb83c147c7d96cee61fe07b73b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling advent_of_code v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]  --> src/bin/12.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde_json::{Result, Value, Map};
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `found` is never read
[INFO] [stdout]   --> src/bin/04.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             found = true;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `found_red`
[INFO] [stdout]   --> src/bin/12.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut found_red = false;
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_found_red`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `found` is never read
[INFO] [stdout]   --> src/bin/04.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |             found = true;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `advent_of_code::template::commands::all::Error`
[INFO] [stdout]  --> src/bin/07.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use advent_of_code::template::commands::all::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/12.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut found_red = false;
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/07.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let mut instructions: Vec<&str> = input.lines()
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_numeric` is never used
[INFO] [stdout]   --> src/bin/07.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn is_numeric(s: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `advent_of_code::template::commands::all::Error::Parser`
[INFO] [stdout]  --> src/bin/08.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use advent_of_code::template::commands::all::Error::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]   --> src/bin/03.rs:26:28
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let (mut x, mut y, mut rx, mut ry) = (0, 0, 0, 0);
[INFO] [stdout]    |                            ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ry`
[INFO] [stdout]   --> src/bin/03.rs:26:36
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let (mut x, mut y, mut rx, mut ry) = (0, 0, 0, 0);
[INFO] [stdout]    |                                    ^^ help: if this is intentional, prefix it with an underscore: `_ry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/03.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let (mut x, mut y, mut rx, mut ry) = (0, 0, 0, 0);
[INFO] [stdout]    |          ----^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/03.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let (mut x, mut y, mut rx, mut ry) = (0, 0, 0, 0);
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/03.rs:26:24
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let (mut x, mut y, mut rx, mut ry) = (0, 0, 0, 0);
[INFO] [stdout]    |                        ----^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/03.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let (mut x, mut y, mut rx, mut ry) = (0, 0, 0, 0);
[INFO] [stdout]    |                                ----^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.66s
[INFO] running `Command { std: "docker" "inspect" "c437ff3ca29ea12cccfc3c9508f21079f7668fb83c147c7d96cee61fe07b73b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c437ff3ca29ea12cccfc3c9508f21079f7668fb83c147c7d96cee61fe07b73b7", kill_on_drop: false }`
[INFO] [stdout] c437ff3ca29ea12cccfc3c9508f21079f7668fb83c147c7d96cee61fe07b73b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 273dabb68ff7e209c337c2c153cc2788cc3da6b72cf9458e80a3a3812b0eb9c4
[INFO] running `Command { std: "docker" "start" "-a" "273dabb68ff7e209c337c2c153cc2788cc3da6b72cf9458e80a3a3812b0eb9c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent_of_code v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `advent_of_code::template::commands::all::Error`
[INFO] [stdout]  --> src/bin/07.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use advent_of_code::template::commands::all::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/07.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let mut instructions: Vec<&str> = input.lines()
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_numeric` is never used
[INFO] [stdout]   --> src/bin/07.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn is_numeric(s: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]  --> src/bin/12.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde_json::{Result, Value, Map};
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `advent_of_code::template::commands::all::Error::Parser`
[INFO] [stdout]  --> src/bin/08.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use advent_of_code::template::commands::all::Error::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]   --> src/bin/03.rs:26:28
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let (mut x, mut y, mut rx, mut ry) = (0, 0, 0, 0);
[INFO] [stdout]    |                            ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ry`
[INFO] [stdout]   --> src/bin/03.rs:26:36
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let (mut x, mut y, mut rx, mut ry) = (0, 0, 0, 0);
[INFO] [stdout]    |                                    ^^ help: if this is intentional, prefix it with an underscore: `_ry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/03.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let (mut x, mut y, mut rx, mut ry) = (0, 0, 0, 0);
[INFO] [stdout]    |          ----^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/03.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let (mut x, mut y, mut rx, mut ry) = (0, 0, 0, 0);
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/03.rs:26:24
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let (mut x, mut y, mut rx, mut ry) = (0, 0, 0, 0);
[INFO] [stdout]    |                        ----^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/03.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let (mut x, mut y, mut rx, mut ry) = (0, 0, 0, 0);
[INFO] [stdout]    |                                ----^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `found_red`
[INFO] [stdout]   --> src/bin/12.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut found_red = false;
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_found_red`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/12.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut found_red = false;
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `found` is never read
[INFO] [stdout]   --> src/bin/04.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             found = true;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `found` is never read
[INFO] [stdout]   --> src/bin/04.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |             found = true;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "273dabb68ff7e209c337c2c153cc2788cc3da6b72cf9458e80a3a3812b0eb9c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "273dabb68ff7e209c337c2c153cc2788cc3da6b72cf9458e80a3a3812b0eb9c4", kill_on_drop: false }`
[INFO] [stdout] 273dabb68ff7e209c337c2c153cc2788cc3da6b72cf9458e80a3a3812b0eb9c4
