[INFO] cloning repository https://github.com/2bad2furious/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/2bad2furious/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2bad2furious%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2bad2furious%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19832cb34f3daff58491104e01e8f8582dfa5751
[INFO] testing 2bad2furious/advent-of-code-2021 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2bad2furious%2Fadvent-of-code-2021" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/2bad2furious/advent-of-code-2021 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/2bad2furious/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/2bad2furious/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/2bad2furious/advent-of-code-2021 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/2bad2furious/advent-of-code-2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7f043e5dd0e9eb24542f3b5ef8953f1e4e1dd7851e6517d2e66dfe4dff5b1b73
[INFO] running `Command { std: "docker" "start" "-a" "7f043e5dd0e9eb24542f3b5ef8953f1e4e1dd7851e6517d2e66dfe4dff5b1b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f043e5dd0e9eb24542f3b5ef8953f1e4e1dd7851e6517d2e66dfe4dff5b1b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f043e5dd0e9eb24542f3b5ef8953f1e4e1dd7851e6517d2e66dfe4dff5b1b73", kill_on_drop: false }`
[INFO] [stdout] 7f043e5dd0e9eb24542f3b5ef8953f1e4e1dd7851e6517d2e66dfe4dff5b1b73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b3fb171f6d7d596714c3c8bcccf5f329978c1624a3f560408cd80bbc3bdf5f8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8b3fb171f6d7d596714c3c8bcccf5f329978c1624a3f560408cd80bbc3bdf5f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/aoc2020/day2/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Range`
[INFO] [stdout]  --> src/aoc2020/day2/mod.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Range, RangeInclusive};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/aoc2021/day2/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/aoc2021/day2/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/aoc2021/day2/mod.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |             ;
[INFO] [stdout]    |             ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/aoc2021/day2/mod.rs:58:39
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Command::DOWN => { aim += (i.by as i32) }
[INFO] [stdout]    |                                       ^           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 58 -             Command::DOWN => { aim += (i.by as i32) }
[INFO] [stdout] 58 +             Command::DOWN => { aim += i.by as i32 }
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/aoc2021/day2/mod.rs:59:37
[INFO] [stdout]    |
[INFO] [stdout] 59 |             Command::UP => { aim -= (i.by as i32) }
[INFO] [stdout]    |                                     ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 59 -             Command::UP => { aim -= (i.by as i32) }
[INFO] [stdout] 59 +             Command::UP => { aim -= i.by as i32 }
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]   --> src/aoc2020/day13/mod.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     a: i64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `c`
[INFO] [stdout]   --> src/aoc2020/day13/mod.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     c: i64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_windows)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc` due to 2 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8b3fb171f6d7d596714c3c8bcccf5f329978c1624a3f560408cd80bbc3bdf5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b3fb171f6d7d596714c3c8bcccf5f329978c1624a3f560408cd80bbc3bdf5f8", kill_on_drop: false }`
[INFO] [stdout] 8b3fb171f6d7d596714c3c8bcccf5f329978c1624a3f560408cd80bbc3bdf5f8