[INFO] fetching crate tuitactoe 0.1.1...
[INFO] checking tuitactoe-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate tuitactoe 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate tuitactoe 0.1.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tuitactoe 0.1.1
[INFO] finished tweaking crates.io crate tuitactoe 0.1.1
[INFO] tweaked toml for crates.io crate tuitactoe 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate tuitactoe 0.1.1 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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 rand_hc v0.3.0
[INFO] [stderr]   Downloaded rand_chacha v0.3.0
[INFO] [stderr]   Downloaded redox_syscall v0.2.8
[INFO] [stderr]   Downloaded rand_core v0.6.2
[INFO] [stderr]   Downloaded rand v0.8.3
[INFO] [stderr]   Downloaded mio v0.7.11
[INFO] [stderr]   Downloaded tui v0.15.0
[INFO] [stderr]   Downloaded libc v0.2.95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fe788f6dfb9ade14ec9eadcb6cdf487130c2247c844830fe481a0c110feedcb
[INFO] running `Command { std: "docker" "start" "-a" "4fe788f6dfb9ade14ec9eadcb6cdf487130c2247c844830fe481a0c110feedcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fe788f6dfb9ade14ec9eadcb6cdf487130c2247c844830fe481a0c110feedcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fe788f6dfb9ade14ec9eadcb6cdf487130c2247c844830fe481a0c110feedcb", kill_on_drop: false }`
[INFO] [stdout] 4fe788f6dfb9ade14ec9eadcb6cdf487130c2247c844830fe481a0c110feedcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1d3dd9ed31fc2c38d3d15a4889556d56fa0a6405f04b3f098d451de9f5accdb
[INFO] running `Command { std: "docker" "start" "-a" "e1d3dd9ed31fc2c38d3d15a4889556d56fa0a6405f04b3f098d451de9f5accdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tui v0.15.0
[INFO] [stderr]     Checking tuitactoe v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `HASH` is imported redundantly
[INFO] [stdout]  --> src/tictactoe.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::tictactoe::constants::*;
[INFO] [stdout]   |     ------------------------------ the item `HASH` is already imported here
[INFO] [stdout] 3 | use constants::{HASH, O, X};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `O` is imported redundantly
[INFO] [stdout]  --> src/tictactoe.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::tictactoe::constants::*;
[INFO] [stdout]   |     ------------------------------ the item `O` is already imported here
[INFO] [stdout] 3 | use constants::{HASH, O, X};
[INFO] [stdout]   |                       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `X` is imported redundantly
[INFO] [stdout]  --> src/tictactoe.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::tictactoe::constants::*;
[INFO] [stdout]   |     ------------------------------ the item `X` is already imported here
[INFO] [stdout] 3 | use constants::{HASH, O, X};
[INFO] [stdout]   |                          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crossterm` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     self, cursor,
[INFO] [stdout]   |     ^^^^ the item `crossterm` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HASH` is imported redundantly
[INFO] [stdout]  --> src/tictactoe.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::tictactoe::constants::*;
[INFO] [stdout]   |     ------------------------------ the item `HASH` is already imported here
[INFO] [stdout] 3 | use constants::{HASH, O, X};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `O` is imported redundantly
[INFO] [stdout]  --> src/tictactoe.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::tictactoe::constants::*;
[INFO] [stdout]   |     ------------------------------ the item `O` is already imported here
[INFO] [stdout] 3 | use constants::{HASH, O, X};
[INFO] [stdout]   |                       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `X` is imported redundantly
[INFO] [stdout]  --> src/tictactoe.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::tictactoe::constants::*;
[INFO] [stdout]   |     ------------------------------ the item `X` is already imported here
[INFO] [stdout] 3 | use constants::{HASH, O, X};
[INFO] [stdout]   |                          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crossterm` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     self, cursor,
[INFO] [stdout]   |     ^^^^ the item `crossterm` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `board` and `rows` are never read
[INFO] [stdout]   --> src/tictactoe.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct TicTacToe {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 13 |     pub board: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 14 |     pub arr: Vec<char>,
[INFO] [stdout] 15 |     pub rows: Vec<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TicTacToe` 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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `board` and `rows` are never read
[INFO] [stdout]   --> src/tictactoe.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct TicTacToe {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 13 |     pub board: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 14 |     pub arr: Vec<char>,
[INFO] [stdout] 15 |     pub rows: Vec<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TicTacToe` 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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "e1d3dd9ed31fc2c38d3d15a4889556d56fa0a6405f04b3f098d451de9f5accdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1d3dd9ed31fc2c38d3d15a4889556d56fa0a6405f04b3f098d451de9f5accdb", kill_on_drop: false }`
[INFO] [stdout] e1d3dd9ed31fc2c38d3d15a4889556d56fa0a6405f04b3f098d451de9f5accdb
[INFO] checking tuitactoe-0.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate tuitactoe 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate tuitactoe 0.1.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tuitactoe 0.1.1
[INFO] finished tweaking crates.io crate tuitactoe 0.1.1
[INFO] tweaked toml for crates.io crate tuitactoe 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate tuitactoe 0.1.1 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63490836e7c2b811bb76dcb714dda45cf6e8fb9d401ed54e356daeb380367a78
[INFO] running `Command { std: "docker" "start" "-a" "63490836e7c2b811bb76dcb714dda45cf6e8fb9d401ed54e356daeb380367a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63490836e7c2b811bb76dcb714dda45cf6e8fb9d401ed54e356daeb380367a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63490836e7c2b811bb76dcb714dda45cf6e8fb9d401ed54e356daeb380367a78", kill_on_drop: false }`
[INFO] [stdout] 63490836e7c2b811bb76dcb714dda45cf6e8fb9d401ed54e356daeb380367a78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2766277148b02939f01bb32d6d75ecc31e7b3faa240a1ed5fe3f0a7332287b4
[INFO] running `Command { std: "docker" "start" "-a" "e2766277148b02939f01bb32d6d75ecc31e7b3faa240a1ed5fe3f0a7332287b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tui v0.15.0
[INFO] [stderr]     Checking tuitactoe v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `HASH` is imported redundantly
[INFO] [stdout]  --> src/tictactoe.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::tictactoe::constants::*;
[INFO] [stdout]   |     ------------------------------ the item `HASH` is already imported here
[INFO] [stdout] 3 | use constants::{HASH, O, X};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `O` is imported redundantly
[INFO] [stdout]  --> src/tictactoe.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::tictactoe::constants::*;
[INFO] [stdout]   |     ------------------------------ the item `O` is already imported here
[INFO] [stdout] 3 | use constants::{HASH, O, X};
[INFO] [stdout]   |                       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `X` is imported redundantly
[INFO] [stdout]  --> src/tictactoe.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::tictactoe::constants::*;
[INFO] [stdout]   |     ------------------------------ the item `X` is already imported here
[INFO] [stdout] 3 | use constants::{HASH, O, X};
[INFO] [stdout]   |                          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crossterm` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     self, cursor,
[INFO] [stdout]   |     ^^^^ the item `crossterm` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HASH` is imported redundantly
[INFO] [stdout]  --> src/tictactoe.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::tictactoe::constants::*;
[INFO] [stdout]   |     ------------------------------ the item `HASH` is already imported here
[INFO] [stdout] 3 | use constants::{HASH, O, X};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `O` is imported redundantly
[INFO] [stdout]  --> src/tictactoe.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::tictactoe::constants::*;
[INFO] [stdout]   |     ------------------------------ the item `O` is already imported here
[INFO] [stdout] 3 | use constants::{HASH, O, X};
[INFO] [stdout]   |                       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `X` is imported redundantly
[INFO] [stdout]  --> src/tictactoe.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::tictactoe::constants::*;
[INFO] [stdout]   |     ------------------------------ the item `X` is already imported here
[INFO] [stdout] 3 | use constants::{HASH, O, X};
[INFO] [stdout]   |                          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crossterm` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     self, cursor,
[INFO] [stdout]   |     ^^^^ the item `crossterm` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `board` and `rows` are never read
[INFO] [stdout]   --> src/tictactoe.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct TicTacToe {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 13 |     pub board: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 14 |     pub arr: Vec<char>,
[INFO] [stdout] 15 |     pub rows: Vec<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TicTacToe` 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: fields `board` and `rows` are never read
[INFO] [stdout]   --> src/tictactoe.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct TicTacToe {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 13 |     pub board: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 14 |     pub arr: Vec<char>,
[INFO] [stdout] 15 |     pub rows: Vec<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TicTacToe` 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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.36s
[INFO] running `Command { std: "docker" "inspect" "e2766277148b02939f01bb32d6d75ecc31e7b3faa240a1ed5fe3f0a7332287b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2766277148b02939f01bb32d6d75ecc31e7b3faa240a1ed5fe3f0a7332287b4", kill_on_drop: false }`
[INFO] [stdout] e2766277148b02939f01bb32d6d75ecc31e7b3faa240a1ed5fe3f0a7332287b4