[INFO] cloning repository https://github.com/0xphen/advent-of-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xphen/advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xphen%2Fadvent-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xphen%2Fadvent-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fec6560b5a92efd6e663d553e280596be6af800a
[INFO] checking 0xphen/advent-of-code against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xphen%2Fadvent-of-code" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0xphen/advent-of-code
[INFO] finished tweaking git repo https://github.com/0xphen/advent-of-code
[INFO] tweaked toml for git repo https://github.com/0xphen/advent-of-code written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xphen/advent-of-code on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xphen/advent-of-code 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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 612efb5cee38b5c2ee22d584a702e6ac551aae5594b1355cc009e9066f76b290
[INFO] running `Command { std: "docker" "start" "-a" "612efb5cee38b5c2ee22d584a702e6ac551aae5594b1355cc009e9066f76b290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "612efb5cee38b5c2ee22d584a702e6ac551aae5594b1355cc009e9066f76b290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "612efb5cee38b5c2ee22d584a702e6ac551aae5594b1355cc009e9066f76b290", kill_on_drop: false }`
[INFO] [stdout] 612efb5cee38b5c2ee22d584a702e6ac551aae5594b1355cc009e9066f76b290
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67caa4abf9501aaea6a6e74c713859ea92ee1f44f9eb82077986fd0f8371b628
[INFO] running `Command { std: "docker" "start" "-a" "67caa4abf9501aaea6a6e74c713859ea92ee1f44f9eb82077986fd0f8371b628", kill_on_drop: false }`
[INFO] [stderr]     Checking advent-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `io::BufRead` and `io::BufReader`
[INFO] [stdout]  --> src/solutions/day_6/solution.rs:3:53
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{collections::HashSet, fs::read_to_string, io::BufRead, io::BufReader};
[INFO] [stdout]   |                                                     ^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/solutions/day_6/solution.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |         for i in (0..packet.len()) {
[INFO] [stdout]    |                  ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -         for i in (0..packet.len()) {
[INFO] [stdout] 23 +         for i in 0..packet.len() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `io::BufRead` and `io::BufReader`
[INFO] [stdout]  --> src/solutions/day_6/solution.rs:3:53
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{collections::HashSet, fs::read_to_string, io::BufRead, io::BufReader};
[INFO] [stdout]   |                                                     ^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/solutions/day_6/solution.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |         for i in (0..packet.len()) {
[INFO] [stdout]    |                  ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -         for i in (0..packet.len()) {
[INFO] [stdout] 23 +         for i in 0..packet.len() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `action` is never read
[INFO] [stdout]   --> src/solutions/day_2/rock_paper_scissors.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Result {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub action: Action,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Result` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset_stacks` is never used
[INFO] [stdout]   --> src/solutions/day_5/solution.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<'a> Day5<'a> {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 83 |     fn reset_stacks(&'a mut self, stacks: Vec<Vec<&'a str>>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `action` is never read
[INFO] [stdout]   --> src/solutions/day_2/rock_paper_scissors.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Result {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub action: Action,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Result` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset_stacks` is never used
[INFO] [stdout]   --> src/solutions/day_5/solution.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<'a> Day5<'a> {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 83 |     fn reset_stacks(&'a mut self, stacks: Vec<Vec<&'a str>>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "67caa4abf9501aaea6a6e74c713859ea92ee1f44f9eb82077986fd0f8371b628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67caa4abf9501aaea6a6e74c713859ea92ee1f44f9eb82077986fd0f8371b628", kill_on_drop: false }`
[INFO] [stdout] 67caa4abf9501aaea6a6e74c713859ea92ee1f44f9eb82077986fd0f8371b628
