[INFO] cloning repository https://github.com/dlinman/rgame
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dlinman/rgame" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlinman%2Frgame", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlinman%2Frgame'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d89d04a4848bf95b20b09b41bd39e2daacb70c5c
[INFO] testing dlinman/rgame against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdlinman%2Frgame" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dlinman/rgame
[INFO] finished tweaking git repo https://github.com/dlinman/rgame
[INFO] tweaked toml for git repo https://github.com/dlinman/rgame written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dlinman/rgame on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dlinman/rgame 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 206b7d4eedce0530384007b9c3fd9ac990d6cd4fdabb48d26efaecbe80db4502
[INFO] running `Command { std: "docker" "start" "-a" "206b7d4eedce0530384007b9c3fd9ac990d6cd4fdabb48d26efaecbe80db4502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "206b7d4eedce0530384007b9c3fd9ac990d6cd4fdabb48d26efaecbe80db4502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "206b7d4eedce0530384007b9c3fd9ac990d6cd4fdabb48d26efaecbe80db4502", kill_on_drop: false }`
[INFO] [stdout] 206b7d4eedce0530384007b9c3fd9ac990d6cd4fdabb48d26efaecbe80db4502
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 93f07345cd627fb673b8d310e7df9b3840403d773d3d48c32370ae7b6b5c9561
[INFO] running `Command { std: "docker" "start" "-a" "93f07345cd627fb673b8d310e7df9b3840403d773d3d48c32370ae7b6b5c9561", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rgame v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/single_game.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{BufRead};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `human_player`, `pick_highest_action_agent`, `self_minimax_agent`, and `strict_random_agent`
[INFO] [stdout]   --> src/main.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | use agents::{strict_random_agent, pick_highest_action_agent, self_minimax_agent, alpha_beta_agent, human_player};
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_agent` is never used
[INFO] [stdout]  --> src/agents/strict_random_agent.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn get_agent() -> impl Agent {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StrictRandomAgent` is never constructed
[INFO] [stdout]   --> src/agents/strict_random_agent.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct StrictRandomAgent {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_agent` is never used
[INFO] [stdout]  --> src/agents/pick_highest_action_agent.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn get_agent( heuristic_description : HeuristicDescription, player : u32 ) -> impl Agent {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PickHighestActionAgent` is never constructed
[INFO] [stdout]  --> src/agents/pick_highest_action_agent.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct PickHighestActionAgent {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_agent` is never used
[INFO] [stdout]  --> src/agents/self_minimax_agent.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_agent( heuristic_description : HeuristicDescription, player : u32, depth : u32 ) -> impl Agent {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SelfMinimaxAgent` is never constructed
[INFO] [stdout]   --> src/agents/self_minimax_agent.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct SelfMinimaxAgent {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_agent` is never used
[INFO] [stdout]  --> src/agents/human_player.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_agent() -> impl Agent {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HumanAgent` is never constructed
[INFO] [stdout]   --> src/agents/human_player.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct HumanAgent {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `contest` is never used
[INFO] [stdout]  --> src/two_player_contest.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn contest<G : Game, P1 : Agent, P2 : Agent>( game : &G, player_1 : &mut P1, player_2 : &mut P2, game_count : u32 ) {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `scores` is never read
[INFO] [stdout]  --> src/games/game_form.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Winner { player: u32, scores : Vec<(u32, i32)> },
[INFO] [stdout]   |     ------                ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `scores` is never read
[INFO] [stdout]  --> src/games/game_form.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Draw { scores : Vec<(u32, i32)> },
[INFO] [stdout]   |     ----   ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Misc` is never constructed
[INFO] [stdout]   --> src/games/game_form.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum HeuristicDescription {
[INFO] [stdout]    |          -------------------- variant in this enum
[INFO] [stdout] 10 |     Misc(String),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `players_allowed` is never used
[INFO] [stdout]   --> src/games/game_form.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait Game {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn players_allowed(&self) -> u32;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_game` is never used
[INFO] [stdout]  --> src/games/tic_tac_toe.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn get_game() -> impl Game {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TicTacToeGame` is never constructed
[INFO] [stdout]  --> src/games/tic_tac_toe.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct TicTacToeGame { }
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Empty` is never constructed
[INFO] [stdout]   --> src/games/tic_tac_toe.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Square {
[INFO] [stdout]    |      ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     Empty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Square` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `row`, `col`, `square`, and `player_turn` are never read
[INFO] [stdout]   --> src/games/tic_tac_toe.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct TicTacToeTurn {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] 24 |     row : usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 25 |     col : usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 26 |     square : Square,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 27 |     player_turn : u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `Command { std: "docker" "inspect" "93f07345cd627fb673b8d310e7df9b3840403d773d3d48c32370ae7b6b5c9561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93f07345cd627fb673b8d310e7df9b3840403d773d3d48c32370ae7b6b5c9561", kill_on_drop: false }`
[INFO] [stdout] 93f07345cd627fb673b8d310e7df9b3840403d773d3d48c32370ae7b6b5c9561
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 00fa51216c0ecc670cb17bc5dca58c35ef14975bd750f1d1f5c9628e2c557670
[INFO] running `Command { std: "docker" "start" "-a" "00fa51216c0ecc670cb17bc5dca58c35ef14975bd750f1d1f5c9628e2c557670", kill_on_drop: false }`
[INFO] [stderr]    Compiling rgame v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/single_game.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{BufRead};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `human_player`, `pick_highest_action_agent`, `self_minimax_agent`, and `strict_random_agent`
[INFO] [stdout]   --> src/main.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | use agents::{strict_random_agent, pick_highest_action_agent, self_minimax_agent, alpha_beta_agent, human_player};
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_agent` is never used
[INFO] [stdout]  --> src/agents/strict_random_agent.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn get_agent() -> impl Agent {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StrictRandomAgent` is never constructed
[INFO] [stdout]   --> src/agents/strict_random_agent.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct StrictRandomAgent {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_agent` is never used
[INFO] [stdout]  --> src/agents/pick_highest_action_agent.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn get_agent( heuristic_description : HeuristicDescription, player : u32 ) -> impl Agent {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PickHighestActionAgent` is never constructed
[INFO] [stdout]  --> src/agents/pick_highest_action_agent.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct PickHighestActionAgent {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_agent` is never used
[INFO] [stdout]  --> src/agents/self_minimax_agent.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_agent( heuristic_description : HeuristicDescription, player : u32, depth : u32 ) -> impl Agent {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SelfMinimaxAgent` is never constructed
[INFO] [stdout]   --> src/agents/self_minimax_agent.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct SelfMinimaxAgent {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_agent` is never used
[INFO] [stdout]  --> src/agents/human_player.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_agent() -> impl Agent {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HumanAgent` is never constructed
[INFO] [stdout]   --> src/agents/human_player.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct HumanAgent {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `contest` is never used
[INFO] [stdout]  --> src/two_player_contest.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn contest<G : Game, P1 : Agent, P2 : Agent>( game : &G, player_1 : &mut P1, player_2 : &mut P2, game_count : u32 ) {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `scores` is never read
[INFO] [stdout]  --> src/games/game_form.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Winner { player: u32, scores : Vec<(u32, i32)> },
[INFO] [stdout]   |     ------                ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `scores` is never read
[INFO] [stdout]  --> src/games/game_form.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Draw { scores : Vec<(u32, i32)> },
[INFO] [stdout]   |     ----   ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Misc` is never constructed
[INFO] [stdout]   --> src/games/game_form.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum HeuristicDescription {
[INFO] [stdout]    |          -------------------- variant in this enum
[INFO] [stdout] 10 |     Misc(String),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `players_allowed` is never used
[INFO] [stdout]   --> src/games/game_form.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait Game {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn players_allowed(&self) -> u32;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_game` is never used
[INFO] [stdout]  --> src/games/tic_tac_toe.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn get_game() -> impl Game {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TicTacToeGame` is never constructed
[INFO] [stdout]  --> src/games/tic_tac_toe.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct TicTacToeGame { }
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Empty` is never constructed
[INFO] [stdout]   --> src/games/tic_tac_toe.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Square {
[INFO] [stdout]    |      ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     Empty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Square` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `row`, `col`, `square`, and `player_turn` are never read
[INFO] [stdout]   --> src/games/tic_tac_toe.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct TicTacToeTurn {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] 24 |     row : usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 25 |     col : usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 26 |     square : Square,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 27 |     player_turn : u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "00fa51216c0ecc670cb17bc5dca58c35ef14975bd750f1d1f5c9628e2c557670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00fa51216c0ecc670cb17bc5dca58c35ef14975bd750f1d1f5c9628e2c557670", kill_on_drop: false }`
[INFO] [stdout] 00fa51216c0ecc670cb17bc5dca58c35ef14975bd750f1d1f5c9628e2c557670
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 9351f36c0af76cf40a27f71c06457704331383dda210a7546a2ea9fd2e81cd3d
[INFO] running `Command { std: "docker" "start" "-a" "9351f36c0af76cf40a27f71c06457704331383dda210a7546a2ea9fd2e81cd3d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/single_game.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{BufRead};
[INFO] [stderr]   |               ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `human_player`, `pick_highest_action_agent`, `self_minimax_agent`, and `strict_random_agent`
[INFO] [stderr]   --> src/main.rs:10:14
[INFO] [stderr]    |
[INFO] [stderr] 10 | use agents::{strict_random_agent, pick_highest_action_agent, self_minimax_agent, alpha_beta_agent, human_player};
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^                    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_agent` is never used
[INFO] [stderr]  --> src/agents/strict_random_agent.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn get_agent() -> impl Agent {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `StrictRandomAgent` is never constructed
[INFO] [stderr]   --> src/agents/strict_random_agent.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct StrictRandomAgent {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_agent` is never used
[INFO] [stderr]  --> src/agents/pick_highest_action_agent.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn get_agent( heuristic_description : HeuristicDescription, player : u32 ) -> impl Agent {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `PickHighestActionAgent` is never constructed
[INFO] [stderr]  --> src/agents/pick_highest_action_agent.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct PickHighestActionAgent {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_agent` is never used
[INFO] [stderr]  --> src/agents/self_minimax_agent.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn get_agent( heuristic_description : HeuristicDescription, player : u32, depth : u32 ) -> impl Agent {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SelfMinimaxAgent` is never constructed
[INFO] [stderr]   --> src/agents/self_minimax_agent.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct SelfMinimaxAgent {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_agent` is never used
[INFO] [stderr]  --> src/agents/human_player.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn get_agent() -> impl Agent {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `HumanAgent` is never constructed
[INFO] [stderr]   --> src/agents/human_player.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct HumanAgent {}
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `contest` is never used
[INFO] [stderr]  --> src/two_player_contest.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn contest<G : Game, P1 : Agent, P2 : Agent>( game : &G, player_1 : &mut P1, player_2 : &mut P2, game_count : u32 ) {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `scores` is never read
[INFO] [stderr]  --> src/games/game_form.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Winner { player: u32, scores : Vec<(u32, i32)> },
[INFO] [stderr]   |     ------                ^^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr] 
[INFO] [stderr] warning: field `scores` is never read
[INFO] [stderr]  --> src/games/game_form.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Draw { scores : Vec<(u32, i32)> },
[INFO] [stderr]   |     ----   ^^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Misc` is never constructed
[INFO] [stderr]   --> src/games/game_form.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | pub enum HeuristicDescription {
[INFO] [stderr]    |          -------------------- variant in this enum
[INFO] [stderr] 10 |     Misc(String),
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `players_allowed` is never used
[INFO] [stderr]   --> src/games/game_form.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub trait Game {
[INFO] [stderr]    |           ---- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 31 |     fn players_allowed(&self) -> u32;
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_game` is never used
[INFO] [stderr]  --> src/games/tic_tac_toe.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn get_game() -> impl Game {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TicTacToeGame` is never constructed
[INFO] [stderr]  --> src/games/tic_tac_toe.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct TicTacToeGame { }
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Empty` is never constructed
[INFO] [stderr]   --> src/games/tic_tac_toe.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | enum Square {
[INFO] [stderr]    |      ------ variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 14 |     Empty,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Square` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `row`, `col`, `square`, and `player_turn` are never read
[INFO] [stderr]   --> src/games/tic_tac_toe.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | struct TicTacToeTurn {
[INFO] [stderr]    |        ------------- fields in this struct
[INFO] [stderr] 24 |     row : usize,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 25 |     col : usize,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 26 |     square : Square,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 27 |     player_turn : u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rgame` (bin "rgame" test) generated 19 warnings (run `cargo fix --bin "rgame" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rgame-800dd6f3f7b69eb5)
[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" "9351f36c0af76cf40a27f71c06457704331383dda210a7546a2ea9fd2e81cd3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9351f36c0af76cf40a27f71c06457704331383dda210a7546a2ea9fd2e81cd3d", kill_on_drop: false }`
[INFO] [stdout] 9351f36c0af76cf40a27f71c06457704331383dda210a7546a2ea9fd2e81cd3d