[INFO] cloning repository https://github.com/locks/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/locks/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flocks%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flocks%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ffca7d73a46afe241bcf96f7137965c024b7d31
[INFO] testing locks/advent-of-code-2021 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%2Flocks%2Fadvent-of-code-2021" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/locks/advent-of-code-2021 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/locks/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/locks/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/locks/advent-of-code-2021 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/locks/advent-of-code-2021 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 2e05ffa4705862d8faf8fce6491505a570669dcd5a2595a51d31e2baf5ea2679
[INFO] running `Command { std: "docker" "start" "-a" "2e05ffa4705862d8faf8fce6491505a570669dcd5a2595a51d31e2baf5ea2679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e05ffa4705862d8faf8fce6491505a570669dcd5a2595a51d31e2baf5ea2679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e05ffa4705862d8faf8fce6491505a570669dcd5a2595a51d31e2baf5ea2679", kill_on_drop: false }`
[INFO] [stdout] 2e05ffa4705862d8faf8fce6491505a570669dcd5a2595a51d31e2baf5ea2679
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 2fb0d6af1d600bc16338ff89731fde203a42fcabd57977d0c9f38b2d9980ea95
[INFO] running `Command { std: "docker" "start" "-a" "2fb0d6af1d600bc16338ff89731fde203a42fcabd57977d0c9f38b2d9980ea95", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `process::exit`
[INFO] [stdout]  --> src/day4/mod.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt, process::exit};
[INFO] [stdout]   |                ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day6/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut seed = read_input();
[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]   --> src/day6/mod.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut seed = read_input();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "2fb0d6af1d600bc16338ff89731fde203a42fcabd57977d0c9f38b2d9980ea95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fb0d6af1d600bc16338ff89731fde203a42fcabd57977d0c9f38b2d9980ea95", kill_on_drop: false }`
[INFO] [stdout] 2fb0d6af1d600bc16338ff89731fde203a42fcabd57977d0c9f38b2d9980ea95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 3e80aaa8e613fdea796327ce30f4265e3fe374c4f5464691877dcbdd799fc234
[INFO] running `Command { std: "docker" "start" "-a" "3e80aaa8e613fdea796327ce30f4265e3fe374c4f5464691877dcbdd799fc234", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `process::exit`
[INFO] [stdout]  --> src/day4/mod.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt, process::exit};
[INFO] [stdout]   |                ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day6/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut seed = read_input();
[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]   --> src/day6/mod.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut seed = read_input();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "3e80aaa8e613fdea796327ce30f4265e3fe374c4f5464691877dcbdd799fc234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e80aaa8e613fdea796327ce30f4265e3fe374c4f5464691877dcbdd799fc234", kill_on_drop: false }`
[INFO] [stdout] 3e80aaa8e613fdea796327ce30f4265e3fe374c4f5464691877dcbdd799fc234
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 80f6f72d29f406c760f0924c1661cffedd3d28b695ea35ef23d8577d2042bfa4
[INFO] running `Command { std: "docker" "start" "-a" "80f6f72d29f406c760f0924c1661cffedd3d28b695ea35ef23d8577d2042bfa4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `process::exit`
[INFO] [stderr]  --> src/day4/mod.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{fmt, process::exit};
[INFO] [stderr]   |                ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/day6/mod.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mut seed = read_input();
[INFO] [stderr]   |         ----^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day6/mod.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut seed = read_input();
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `advent-of-code-2021` (bin "advent-of-code-2021" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent_of_code_2021-f63b8a66fc2d5c1b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "80f6f72d29f406c760f0924c1661cffedd3d28b695ea35ef23d8577d2042bfa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80f6f72d29f406c760f0924c1661cffedd3d28b695ea35ef23d8577d2042bfa4", kill_on_drop: false }`
[INFO] [stdout] 80f6f72d29f406c760f0924c1661cffedd3d28b695ea35ef23d8577d2042bfa4