[INFO] cloning repository https://github.com/zdebra/advent-of-code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zdebra/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzdebra%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzdebra%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ea95bda308df31d5f51c0e776d754c22dc721d7
[INFO] testing zdebra/advent-of-code-2020 against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzdebra%2Fadvent-of-code-2020" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zdebra/advent-of-code-2020 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zdebra/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/zdebra/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/zdebra/advent-of-code-2020 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/zdebra/advent-of-code-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple-error v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c3b56c99550a09eab75b26488ccb7ade485245345f5439be213df0f86aa17ef
[INFO] running `Command { std: "docker" "start" "-a" "5c3b56c99550a09eab75b26488ccb7ade485245345f5439be213df0f86aa17ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c3b56c99550a09eab75b26488ccb7ade485245345f5439be213df0f86aa17ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c3b56c99550a09eab75b26488ccb7ade485245345f5439be213df0f86aa17ef", kill_on_drop: false }`
[INFO] [stdout] 5c3b56c99550a09eab75b26488ccb7ade485245345f5439be213df0f86aa17ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8af3cd9ff240826a608f7b15d64706ab899508a4a299e0fcdc9b1949f9e4a45a
[INFO] running `Command { std: "docker" "start" "-a" "8af3cd9ff240826a608f7b15d64706ab899508a4a299e0fcdc9b1949f9e4a45a", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling array2d v0.2.1
[INFO] [stderr]    Compiling simple-error v0.1.12
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> day12/src/main.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         for i in 0..turns {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `DIRECTION_LEFT`
[INFO] [stdout]   --> day12/src/main.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | static DIRECTION_LEFT: &'static [char] = &['N', 'W', 'S', 'E'];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `DIRECTION_RIGHT`
[INFO] [stdout]   --> day12/src/main.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | static DIRECTION_RIGHT: &'static [char] = &['N', 'E', 'S', 'W'];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> day08/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testNumbers` should have a snake case name
[INFO] [stdout]   --> day09/src/main.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn testNumbers(numbers: &[usize], num: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^ help: convert the identifier to snake case: `test_numbers`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cnt`
[INFO] [stdout]   --> day11/src/main.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut cnt = 0;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_cnt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> day06/src/main.rs:36:22
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 for (key, val) in counts.iter() {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> day06/src/main.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |         for (key, val) in counts.iter() {
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day11/src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut positions = vec![
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day11/src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut cnt = 0;
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `adjacent_seats_count`
[INFO] [stdout]   --> day11/src/main.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn adjacent_seats_count(arr: &Array2D<char>, row: usize, column: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> day04/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> day07/src/main.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 |             for (bag, count) in item.iter() {
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.90s
[INFO] running `Command { std: "docker" "inspect" "8af3cd9ff240826a608f7b15d64706ab899508a4a299e0fcdc9b1949f9e4a45a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af3cd9ff240826a608f7b15d64706ab899508a4a299e0fcdc9b1949f9e4a45a", kill_on_drop: false }`
[INFO] [stdout] 8af3cd9ff240826a608f7b15d64706ab899508a4a299e0fcdc9b1949f9e4a45a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f445a2d1a4e1777bc3de9ae2c648223d70e17dc291b014c0d0fde3b3c03cece1
[INFO] running `Command { std: "docker" "start" "-a" "f445a2d1a4e1777bc3de9ae2c648223d70e17dc291b014c0d0fde3b3c03cece1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] running `Command { std: "docker" "inspect" "f445a2d1a4e1777bc3de9ae2c648223d70e17dc291b014c0d0fde3b3c03cece1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f445a2d1a4e1777bc3de9ae2c648223d70e17dc291b014c0d0fde3b3c03cece1", kill_on_drop: false }`
[INFO] [stdout] f445a2d1a4e1777bc3de9ae2c648223d70e17dc291b014c0d0fde3b3c03cece1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a9ffb9e56f83dfc28aed0c4750a8666fc8a215dbdf8b36ba9d3cb1ee9f61ebb
[INFO] running `Command { std: "docker" "start" "-a" "7a9ffb9e56f83dfc28aed0c4750a8666fc8a215dbdf8b36ba9d3cb1ee9f61ebb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] running `Command { std: "docker" "inspect" "7a9ffb9e56f83dfc28aed0c4750a8666fc8a215dbdf8b36ba9d3cb1ee9f61ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a9ffb9e56f83dfc28aed0c4750a8666fc8a215dbdf8b36ba9d3cb1ee9f61ebb", kill_on_drop: false }`
[INFO] [stdout] 7a9ffb9e56f83dfc28aed0c4750a8666fc8a215dbdf8b36ba9d3cb1ee9f61ebb