[INFO] cloning repository https://github.com/desbo/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/desbo/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdesbo%2Fadvent-of-code-2021", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdesbo%2Fadvent-of-code-2021'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 920c13019a70feb868eb563a688e0cd05212bf1e [INFO] checking desbo/advent-of-code-2021 against try#b32fc44666c052e7cf07ab471bfb6f9ec571902f for pr-138676 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdesbo%2Fadvent-of-code-2021" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/desbo/advent-of-code-2021 on toolchain b32fc44666c052e7cf07ab471bfb6f9ec571902f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/desbo/advent-of-code-2021 [INFO] finished tweaking git repo https://github.com/desbo/advent-of-code-2021 [INFO] tweaked toml for git repo https://github.com/desbo/advent-of-code-2021 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/desbo/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" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f54aff73201be1b820c501497c8a54cd69707697e2024a48f6e310e900f9e359 [INFO] running `Command { std: "docker" "start" "-a" "f54aff73201be1b820c501497c8a54cd69707697e2024a48f6e310e900f9e359", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f54aff73201be1b820c501497c8a54cd69707697e2024a48f6e310e900f9e359", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f54aff73201be1b820c501497c8a54cd69707697e2024a48f6e310e900f9e359", kill_on_drop: false }` [INFO] [stdout] f54aff73201be1b820c501497c8a54cd69707697e2024a48f6e310e900f9e359 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9cdf94661a829e43f6e8c56c30aed356c93e74757dcdfbd18821661409675dca [INFO] running `Command { std: "docker" "start" "-a" "9cdf94661a829e43f6e8c56c30aed356c93e74757dcdfbd18821661409675dca", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Checking advent-of-code-2021 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/day07.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | (nums[(nums.len() / 2)] + nums[(nums.len() / 2) + 1]) / 2 [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9 - (nums[(nums.len() / 2)] + nums[(nums.len() / 2) + 1]) / 2 [INFO] [stdout] 9 + (nums[nums.len() / 2] + nums[(nums.len() / 2) + 1]) / 2 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/day07.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | (nums[(nums.len() / 2)] + nums[(nums.len() / 2) + 1]) / 2 [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9 - (nums[(nums.len() / 2)] + nums[(nums.len() / 2) + 1]) / 2 [INFO] [stdout] 9 + (nums[nums.len() / 2] + nums[(nums.len() / 2) + 1]) / 2 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/day02.rs:75:30 [INFO] [stdout] | [INFO] [stdout] 75 | pub struct ParseCommandError(String); [INFO] [stdout] | ----------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `ParseCommandError` 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: field `0` is never read [INFO] [stdout] --> src/day02.rs:75:30 [INFO] [stdout] | [INFO] [stdout] 75 | pub struct ParseCommandError(String); [INFO] [stdout] | ----------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `ParseCommandError` 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: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/day04.rs:209:26 [INFO] [stdout] | [INFO] [stdout] 209 | (1..10).for_each(|x| drop(expected_squares.insert(x, false))); [INFO] [stdout] | ^^^^^---------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `Option` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/day08.rs:238:9 [INFO] [stdout] | [INFO] [stdout] 238 | drop(part2(&[String::from(EXAMPLE)])) [INFO] [stdout] | ^^^^^-------------------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `u32` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.80s [INFO] running `Command { std: "docker" "inspect" "9cdf94661a829e43f6e8c56c30aed356c93e74757dcdfbd18821661409675dca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cdf94661a829e43f6e8c56c30aed356c93e74757dcdfbd18821661409675dca", kill_on_drop: false }` [INFO] [stdout] 9cdf94661a829e43f6e8c56c30aed356c93e74757dcdfbd18821661409675dca