[INFO] cloning repository https://github.com/Dynisious/tic_tac_toe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dynisious/tic_tac_toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDynisious%2Ftic_tac_toe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDynisious%2Ftic_tac_toe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d006b1dbd4f2e0bc7480f226fc1bf57a05aa3b2
[INFO] checking Dynisious/tic_tac_toe against master#e652caa679a304af11fc04f1f12452f255a82593 for pr-98000
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDynisious%2Ftic_tac_toe" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dynisious/tic_tac_toe on toolchain e652caa679a304af11fc04f1f12452f255a82593
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dynisious/tic_tac_toe
[INFO] finished tweaking git repo https://github.com/Dynisious/tic_tac_toe
[INFO] tweaked toml for git repo https://github.com/Dynisious/tic_tac_toe written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Dynisious/tic_tac_toe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a53ce2b6b557fc1a2edeeeb29f4d8ba09b63a09ffdc4b817764258ee1d002ee5
[INFO] running `Command { std: "docker" "start" "-a" "a53ce2b6b557fc1a2edeeeb29f4d8ba09b63a09ffdc4b817764258ee1d002ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a53ce2b6b557fc1a2edeeeb29f4d8ba09b63a09ffdc4b817764258ee1d002ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a53ce2b6b557fc1a2edeeeb29f4d8ba09b63a09ffdc4b817764258ee1d002ee5", kill_on_drop: false }`
[INFO] [stdout] a53ce2b6b557fc1a2edeeeb29f4d8ba09b63a09ffdc4b817764258ee1d002ee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa26dd30e7419dbb995c3fd308fbe0a9a5f790b4841201c0e608d04851b7f708
[INFO] running `Command { std: "docker" "start" "-a" "fa26dd30e7419dbb995c3fd308fbe0a9a5f790b4841201c0e608d04851b7f708", kill_on_drop: false }`
[INFO] [stderr]     Checking tic_tac_toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `squares::*`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use squares::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `board::*`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use board::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> src/main.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::io::{Read, Write};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `squares::*`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use squares::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `board::*`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use board::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> src/main.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::io::{Read, Write};
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `X`
[INFO] [stdout]   --> src/squares.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     X, O
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `Mark` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `O`
[INFO] [stdout]   --> src/squares.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     X, O
[INFO] [stdout]    |        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Mark` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_square`
[INFO] [stdout]   --> src/board.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn set_square(&mut self, row: usize, column: usize, square: Square) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `winner`
[INFO] [stdout]   --> src/board.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn winner(&self) -> Square {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `X`
[INFO] [stdout]   --> src/squares.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     X, O
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `Mark` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `O`
[INFO] [stdout]   --> src/squares.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     X, O
[INFO] [stdout]    |        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Mark` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_square`
[INFO] [stdout]   --> src/board.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn set_square(&mut self, row: usize, column: usize, square: Square) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `winner`
[INFO] [stdout]   --> src/board.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn winner(&self) -> Square {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "fa26dd30e7419dbb995c3fd308fbe0a9a5f790b4841201c0e608d04851b7f708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa26dd30e7419dbb995c3fd308fbe0a9a5f790b4841201c0e608d04851b7f708", kill_on_drop: false }`
[INFO] [stdout] fa26dd30e7419dbb995c3fd308fbe0a9a5f790b4841201c0e608d04851b7f708