[INFO] cloning repository https://github.com/Xyberista/aoc-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xyberista/aoc-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXyberista%2Faoc-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXyberista%2Faoc-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bdbe24ce1b4b4622b64596a6a54662a386c82a62
[INFO] checking Xyberista/aoc-2021 against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXyberista%2Faoc-2021" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Xyberista/aoc-2021
[INFO] finished tweaking git repo https://github.com/Xyberista/aoc-2021
[INFO] tweaked toml for git repo https://github.com/Xyberista/aoc-2021 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Xyberista/aoc-2021 on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Xyberista/aoc-2021 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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plotters v0.3.3
[INFO] [stderr]   Downloaded plotters-svg v0.3.3
[INFO] [stderr]   Downloaded criterion v0.3.6
[INFO] [stderr]   Downloaded plotters-backend v0.3.4
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a3a9e237b65f9c5760b039cc3a9ebcce50cb5ec132c9a455e41a92d86025a6aa
[INFO] running `Command { std: "docker" "start" "a3a9e237b65f9c5760b039cc3a9ebcce50cb5ec132c9a455e41a92d86025a6aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3a9e237b65f9c5760b039cc3a9ebcce50cb5ec132c9a455e41a92d86025a6aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a3a9e237b65f9c5760b039cc3a9ebcce50cb5ec132c9a455e41a92d86025a6aa" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3a9e237b65f9c5760b039cc3a9ebcce50cb5ec132c9a455e41a92d86025a6aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a3a9e237b65f9c5760b039cc3a9ebcce50cb5ec132c9a455e41a92d86025a6aa" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking aoc-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking crossbeam-utils v0.8.11
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/days/day_10.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     scores[(scores.len() / 2)]
[INFO] [stdout]     |            ^                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 109 -     scores[(scores.len() / 2)]
[INFO] [stdout] 109 +     scores[scores.len() / 2]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/days/day_23.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 |         for r in &self.map[2].room {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 49 -         for r in &self.map[2].room {
[INFO] [stdout] 49 +         while let Some(r) = &self.map[2].room {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 49 -         for r in &self.map[2].room {
[INFO] [stdout] 49 +         if let Some(r) = &self.map[2].room {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/days/day_23.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 54 |         for r in &self.map[4].room {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 54 -         for r in &self.map[4].room {
[INFO] [stdout] 54 +         while let Some(r) = &self.map[4].room {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 54 -         for r in &self.map[4].room {
[INFO] [stdout] 54 +         if let Some(r) = &self.map[4].room {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/days/day_23.rs:59:18
[INFO] [stdout]    |
[INFO] [stdout] 59 |         for r in &self.map[6].room {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 59 -         for r in &self.map[6].room {
[INFO] [stdout] 59 +         while let Some(r) = &self.map[6].room {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 59 -         for r in &self.map[6].room {
[INFO] [stdout] 59 +         if let Some(r) = &self.map[6].room {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/days/day_23.rs:64:18
[INFO] [stdout]    |
[INFO] [stdout] 64 |         for r in &self.map[8].room {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 64 -         for r in &self.map[8].room {
[INFO] [stdout] 64 +         while let Some(r) = &self.map[8].room {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 64 -         for r in &self.map[8].room {
[INFO] [stdout] 64 +         if let Some(r) = &self.map[8].room {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-epoch v0.9.10
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking rayon-core v1.9.3
[INFO] [stderr]     Checking plotters v0.3.3
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking rayon v1.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]     Checking serde_json v1.0.85
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/days/day_10.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     scores[(scores.len() / 2)]
[INFO] [stdout]     |            ^                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 109 -     scores[(scores.len() / 2)]
[INFO] [stdout] 109 +     scores[scores.len() / 2]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `day_15` is never used
[INFO] [stdout]   --> benches/optimized.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn day_15(c: &mut Criterion) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `day_2` is never used
[INFO] [stdout]   --> benches/part_comparisons.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn day_2(c: &mut Criterion) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/days/day_23.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 |         for r in &self.map[2].room {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 49 -         for r in &self.map[2].room {
[INFO] [stdout] 49 +         while let Some(r) = &self.map[2].room {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 49 -         for r in &self.map[2].room {
[INFO] [stdout] 49 +         if let Some(r) = &self.map[2].room {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/days/day_23.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 54 |         for r in &self.map[4].room {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 54 -         for r in &self.map[4].room {
[INFO] [stdout] 54 +         while let Some(r) = &self.map[4].room {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 54 -         for r in &self.map[4].room {
[INFO] [stdout] 54 +         if let Some(r) = &self.map[4].room {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/days/day_23.rs:59:18
[INFO] [stdout]    |
[INFO] [stdout] 59 |         for r in &self.map[6].room {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 59 -         for r in &self.map[6].room {
[INFO] [stdout] 59 +         while let Some(r) = &self.map[6].room {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 59 -         for r in &self.map[6].room {
[INFO] [stdout] 59 +         if let Some(r) = &self.map[6].room {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/days/day_23.rs:64:18
[INFO] [stdout]    |
[INFO] [stdout] 64 |         for r in &self.map[8].room {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 64 -         for r in &self.map[8].room {
[INFO] [stdout] 64 +         while let Some(r) = &self.map[8].room {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 64 -         for r in &self.map[8].room {
[INFO] [stdout] 64 +         if let Some(r) = &self.map[8].room {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.30s
[INFO] running `Command { std: "docker" "inspect" "a3a9e237b65f9c5760b039cc3a9ebcce50cb5ec132c9a455e41a92d86025a6aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3a9e237b65f9c5760b039cc3a9ebcce50cb5ec132c9a455e41a92d86025a6aa", kill_on_drop: false }`
[INFO] [stdout] a3a9e237b65f9c5760b039cc3a9ebcce50cb5ec132c9a455e41a92d86025a6aa
