[INFO] cloning repository https://github.com/FrankBosman/Advent_Of_Code_2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FrankBosman/Advent_Of_Code_2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrankBosman%2FAdvent_Of_Code_2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrankBosman%2FAdvent_Of_Code_2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76a79a611a26f7be8963fa8c1536e15b7de800da
[INFO] checking FrankBosman/Advent_Of_Code_2021 against try#69cf48176da7795067be67cef76e41a8aac9b134 for pr-146013-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrankBosman%2FAdvent_Of_Code_2021" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FrankBosman/Advent_Of_Code_2021
[INFO] finished tweaking git repo https://github.com/FrankBosman/Advent_Of_Code_2021
[INFO] tweaked toml for git repo https://github.com/FrankBosman/Advent_Of_Code_2021 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FrankBosman/Advent_Of_Code_2021 on toolchain 69cf48176da7795067be67cef76e41a8aac9b134
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+69cf48176da7795067be67cef76e41a8aac9b134" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/FrankBosman/Advent_Of_Code_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" "+69cf48176da7795067be67cef76e41a8aac9b134" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+69cf48176da7795067be67cef76e41a8aac9b134" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f4cf6c6f96b77665232fe0cae2b4b600dceb1017a502b8e5db0ff4710eba76c
[INFO] running `Command { std: "docker" "start" "-a" "5f4cf6c6f96b77665232fe0cae2b4b600dceb1017a502b8e5db0ff4710eba76c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f4cf6c6f96b77665232fe0cae2b4b600dceb1017a502b8e5db0ff4710eba76c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4cf6c6f96b77665232fe0cae2b4b600dceb1017a502b8e5db0ff4710eba76c", kill_on_drop: false }`
[INFO] [stdout] 5f4cf6c6f96b77665232fe0cae2b4b600dceb1017a502b8e5db0ff4710eba76c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+69cf48176da7795067be67cef76e41a8aac9b134" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55e4b121b47eadf3f5cabac69ec7e285088146b73a6d71fa87f3685ca4e032bd
[INFO] running `Command { std: "docker" "start" "-a" "55e4b121b47eadf3f5cabac69ec7e285088146b73a6d71fa87f3685ca4e032bd", kill_on_drop: false }`
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking Advent_Of_Code_2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Advent_Of_Code_2021` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `advent_of_code_2021`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/day4/day4.rs:77:29
[INFO] [stdout]    |
[INFO] [stdout] 77 |     losing_number = numbers[(number_index - 1)];
[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] 77 -     losing_number = numbers[(number_index - 1)];
[INFO] [stdout] 77 +     losing_number = numbers[number_index - 1];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_segment` is never used
[INFO] [stdout]    --> src/day8/day8.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn print_segment(encoder: &HashMap<&str, char>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/day4/day4.rs:77:29
[INFO] [stdout]    |
[INFO] [stdout] 77 |     losing_number = numbers[(number_index - 1)];
[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] 77 -     losing_number = numbers[(number_index - 1)];
[INFO] [stdout] 77 +     losing_number = numbers[number_index - 1];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `losing_number` is never read
[INFO] [stdout]   --> src/day4/day4.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut losing_number = 0;
[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 `losing_number` is never read
[INFO] [stdout]   --> src/day4/day4.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut losing_number = 0;
[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: function `print_segment` is never used
[INFO] [stdout]    --> src/day8/day8.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn print_segment(encoder: &HashMap<&str, char>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "55e4b121b47eadf3f5cabac69ec7e285088146b73a6d71fa87f3685ca4e032bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e4b121b47eadf3f5cabac69ec7e285088146b73a6d71fa87f3685ca4e032bd", kill_on_drop: false }`
[INFO] [stdout] 55e4b121b47eadf3f5cabac69ec7e285088146b73a6d71fa87f3685ca4e032bd