[INFO] cloning repository https://github.com/jeffdeville/advent_of_code_21
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeffdeville/advent_of_code_21" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffdeville%2Fadvent_of_code_21", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffdeville%2Fadvent_of_code_21'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63a29c450532130ad2348d7989f9d141840bd14d
[INFO] checking jeffdeville/advent_of_code_21 against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeffdeville%2Fadvent_of_code_21" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jeffdeville/advent_of_code_21
[INFO] finished tweaking git repo https://github.com/jeffdeville/advent_of_code_21
[INFO] tweaked toml for git repo https://github.com/jeffdeville/advent_of_code_21 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jeffdeville/advent_of_code_21 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jeffdeville/advent_of_code_21 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.9.0
[INFO] [stderr]   Downloaded libc v0.2.112
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30941db0ff05745acc1bc124f5ef120bef99b2dac4409ed690fa3385ef84ebd6
[INFO] running `Command { std: "docker" "start" "-a" "30941db0ff05745acc1bc124f5ef120bef99b2dac4409ed690fa3385ef84ebd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30941db0ff05745acc1bc124f5ef120bef99b2dac4409ed690fa3385ef84ebd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30941db0ff05745acc1bc124f5ef120bef99b2dac4409ed690fa3385ef84ebd6", kill_on_drop: false }`
[INFO] [stdout] 30941db0ff05745acc1bc124f5ef120bef99b2dac4409ed690fa3385ef84ebd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 033004784d02c38e254f610b3097128bedf57f1e699d8da7082f907884d0a8df
[INFO] running `Command { std: "docker" "start" "-a" "033004784d02c38e254f610b3097128bedf57f1e699d8da7082f907884d0a8df", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking day1 v0.1.0 (/opt/rustwide/workdir/day1)
[INFO] [stderr]     Checking day2 v0.1.0 (/opt/rustwide/workdir/day2)
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking day3 v0.1.0 (/opt/rustwide/workdir/day3)
[INFO] [stderr]     Checking day4 v0.1.0 (/opt/rustwide/workdir/day4)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day4/src/main.rs:56:7
[INFO] [stdout]    |
[INFO] [stdout] 56 |   let mut board_vec = boards
[INFO] [stdout]    |       ----^^^^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day4/src/main.rs:76:7
[INFO] [stdout]    |
[INFO] [stdout] 76 |   let mut bingo_boards: Vec<Board> = create_boards(boards);
[INFO] [stdout]    |       ----^^^^^^^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day4/src/main.rs:84:7
[INFO] [stdout]    |
[INFO] [stdout] 84 |   let mut bingo_boards: Vec<Board> = create_boards(boards);
[INFO] [stdout]    |       ----^^^^^^^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day4/src/main.rs:56:7
[INFO] [stdout]    |
[INFO] [stdout] 56 |   let mut board_vec = boards
[INFO] [stdout]    |       ----^^^^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day4/src/main.rs:76:7
[INFO] [stdout]    |
[INFO] [stdout] 76 |   let mut bingo_boards: Vec<Board> = create_boards(boards);
[INFO] [stdout]    |       ----^^^^^^^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day4/src/main.rs:84:7
[INFO] [stdout]    |
[INFO] [stdout] 84 |   let mut bingo_boards: Vec<Board> = create_boards(boards);
[INFO] [stdout]    |       ----^^^^^^^^^^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking wordle v0.1.0 (/opt/rustwide/workdir/wordle)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> wordle/src/main.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let mut been_guessed: HashMap<char, bool> = HashMap::new();
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dict` and `guesses` are never read
[INFO] [stdout]   --> wordle/src/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | struct Wordle {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 59 |     target: String,
[INFO] [stdout] 60 |     dict: Vec<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 61 |     guesses: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Wordle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> wordle/src/main.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let mut been_guessed: HashMap<char, bool> = HashMap::new();
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dict` and `guesses` are never read
[INFO] [stdout]   --> wordle/src/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | struct Wordle {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 59 |     target: String,
[INFO] [stdout] 60 |     dict: Vec<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 61 |     guesses: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Wordle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day5 v0.1.0 (/opt/rustwide/workdir/day5)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.22s
[INFO] running `Command { std: "docker" "inspect" "033004784d02c38e254f610b3097128bedf57f1e699d8da7082f907884d0a8df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "033004784d02c38e254f610b3097128bedf57f1e699d8da7082f907884d0a8df", kill_on_drop: false }`
[INFO] [stdout] 033004784d02c38e254f610b3097128bedf57f1e699d8da7082f907884d0a8df
