[INFO] cloning repository https://github.com/ericye16/rusty-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/ericye16/rusty-tic-tac-toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericye16%2Frusty-tic-tac-toe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericye16%2Frusty-tic-tac-toe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dda5667cea5006f90d7782d60ec13d08a39353bb
[INFO] checking ericye16/rusty-tic-tac-toe against try#e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericye16%2Frusty-tic-tac-toe" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ericye16/rusty-tic-tac-toe
[INFO] finished tweaking git repo https://github.com/ericye16/rusty-tic-tac-toe
[INFO] tweaked toml for git repo https://github.com/ericye16/rusty-tic-tac-toe written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ericye16/rusty-tic-tac-toe on toolchain e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ericye16/rusty-tic-tac-toe 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" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfd95bb07f8f45996536c06f6bd7e6f2848fe6f2eefd899ed1e8a1569619bf62
[INFO] running `Command { std: "docker" "start" "-a" "cfd95bb07f8f45996536c06f6bd7e6f2848fe6f2eefd899ed1e8a1569619bf62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfd95bb07f8f45996536c06f6bd7e6f2848fe6f2eefd899ed1e8a1569619bf62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfd95bb07f8f45996536c06f6bd7e6f2848fe6f2eefd899ed1e8a1569619bf62", kill_on_drop: false }`
[INFO] [stdout] cfd95bb07f8f45996536c06f6bd7e6f2848fe6f2eefd899ed1e8a1569619bf62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2f6fb240a017db248e26bf56e0cbc4a9e786fb9c7029a6c509587b11258dd74
[INFO] running `Command { std: "docker" "start" "-a" "e2f6fb240a017db248e26bf56e0cbc4a9e786fb9c7029a6c509587b11258dd74", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking rusty-tic-tac-toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `O` is never constructed
[INFO] [stdout]  --> src/game.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum CellState {
[INFO] [stdout]   |      --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |   O,
[INFO] [stdout]   |   ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CellState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PlayerStatus` is never used
[INFO] [stdout]   --> src/game.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub enum PlayerStatus {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_winner` is never used
[INFO] [stdout]   --> src/game.rs:74:10
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl GameState {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 74 |   pub fn check_winner(&self) -> PlayerStatus {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/game.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 80 -         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout] 80 +         while let Some(cell) = self.state.get(get_index(r, c)) {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 80 -         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout] 80 +         if let Some(cell) = self.state.get(get_index(r, c)) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/game.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 106 -         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout] 106 +         while let Some(cell) = self.state.get(get_index(r, c)) {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 106 -         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout] 106 +         if let Some(cell) = self.state.get(get_index(r, c)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/game.rs:131:19
[INFO] [stdout]     |
[INFO] [stdout] 131 |       for cell in self.state.get(get_index(r, r)) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 131 -       for cell in self.state.get(get_index(r, r)) {
[INFO] [stdout] 131 +       while let Some(cell) = self.state.get(get_index(r, r)) {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 131 -       for cell in self.state.get(get_index(r, r)) {
[INFO] [stdout] 131 +       if let Some(cell) = self.state.get(get_index(r, r)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/game.rs:155:19
[INFO] [stdout]     |
[INFO] [stdout] 155 |       for cell in self.state.get(get_index(r, 3 - r)) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 155 -       for cell in self.state.get(get_index(r, 3 - r)) {
[INFO] [stdout] 155 +       while let Some(cell) = self.state.get(get_index(r, 3 - r)) {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 155 -       for cell in self.state.get(get_index(r, 3 - r)) {
[INFO] [stdout] 155 +       if let Some(cell) = self.state.get(get_index(r, 3 - r)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `E`
[INFO] [stdout]    --> src/game.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let E = Empty;
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_E`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/game.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 80 -         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout] 80 +         while let Some(cell) = self.state.get(get_index(r, c)) {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 80 -         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout] 80 +         if let Some(cell) = self.state.get(get_index(r, c)) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/game.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 106 -         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout] 106 +         while let Some(cell) = self.state.get(get_index(r, c)) {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 106 -         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout] 106 +         if let Some(cell) = self.state.get(get_index(r, c)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/game.rs:131:19
[INFO] [stdout]     |
[INFO] [stdout] 131 |       for cell in self.state.get(get_index(r, r)) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 131 -       for cell in self.state.get(get_index(r, r)) {
[INFO] [stdout] 131 +       while let Some(cell) = self.state.get(get_index(r, r)) {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 131 -       for cell in self.state.get(get_index(r, r)) {
[INFO] [stdout] 131 +       if let Some(cell) = self.state.get(get_index(r, r)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/game.rs:155:19
[INFO] [stdout]     |
[INFO] [stdout] 155 |       for cell in self.state.get(get_index(r, 3 - r)) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 155 -       for cell in self.state.get(get_index(r, 3 - r)) {
[INFO] [stdout] 155 +       while let Some(cell) = self.state.get(get_index(r, 3 - r)) {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 155 -       for cell in self.state.get(get_index(r, 3 - r)) {
[INFO] [stdout] 155 +       if let Some(cell) = self.state.get(get_index(r, 3 - r)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]    --> src/game.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     let E = Empty;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]    --> src/game.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let E = Empty;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]    --> src/game.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |     let E = Empty;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]    --> src/game.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let E = Empty;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "e2f6fb240a017db248e26bf56e0cbc4a9e786fb9c7029a6c509587b11258dd74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f6fb240a017db248e26bf56e0cbc4a9e786fb9c7029a6c509587b11258dd74", kill_on_drop: false }`
[INFO] [stdout] e2f6fb240a017db248e26bf56e0cbc4a9e786fb9c7029a6c509587b11258dd74