[INFO] cloning repository https://github.com/Firfi/sstackrr-backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Firfi/sstackrr-backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFirfi%2Fsstackrr-backend", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ee2df03974ce0b6a06587d81d093b40f4adfe27
[INFO] testing Firfi/sstackrr-backend against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFirfi%2Fsstackrr-backend" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Firfi/sstackrr-backend on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] finished tweaking git repo https://github.com/Firfi/sstackrr-backend
[INFO] tweaked toml for git repo https://github.com/Firfi/sstackrr-backend written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Firfi/sstackrr-backend already has a lockfile, it will not be regenerated
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[INFO] [stdout] warning: unused import: `fetch_game_state`
[INFO] [stdout]  --> src/adversary.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::db::{fetch_game_state};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]  --> src/adversary_minimax.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/adversary_minimax.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::db::GameStateSerialized`
[INFO] [stdout]  --> src/adversary_minimax.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::db::GameStateSerialized;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> src/game.rs:82:30
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let (size_x, size_y, field) = (self.size_x, self.size_y, &self.field);
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player`
[INFO] [stdout]   --> src/adversary.rs:97:20
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 Ok(player) => {
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/adversary_minimax.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let mut try_game = &mut game.clone();
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/adversary_minimax.rs:69:22
[INFO] [stdout]    |
[INFO] [stdout] 69 |                      mut alpha: i32,
[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]   --> src/adversary_minimax.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut possible_moves = game.possible_moves(); // so the caller won't trick us with a wrong depth
[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]   --> src/adversary_minimax.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let mut max = (game.size_x() as i32 * game.size_y() as i32 - 1 - game.current_depth() as i32) / 2;
[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]    --> src/adversary_minimax.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let mut best_move: Mutex<Option<Move>> = Mutex::new(None);
[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]    --> src/adversary_minimax.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let mut new_alpha: AtomicI32 = AtomicI32::new(alpha.clone());
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expectimax` is never used
[INFO] [stdout]   --> src/adversary_minimax.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn expectimax(game: &State, player: Player) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stdout]   --> src/main.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | /     tokio::join!(run_subscribe_bots(), axum::Server::bind(&format!("0.0.0.0:{}", &port).parse().unwrap())
[INFO] [stdout] 73 | |         .serve(app.into_make_service()));
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/db.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     embedded_migrations::run(&STATICS.db_connection.get().unwrap());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let _ = embedded_migrations::run(&STATICS.db_connection.get().unwrap());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/db.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         f.write_str("GameStateSerialized(\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let _ = f.write_str("GameStateSerialized(\n");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/adversary_minimax.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | /     possible_moves.into_par_iter().try_for_each(|m| {
[INFO] [stdout] 118 | |         let mut try_game = &mut game.clone();
[INFO] [stdout] 119 | |         try_game.push_move(m).unwrap();
[INFO] [stdout] 120 | |         let hash = try_game.hash_non_historical();
[INFO] [stdout] ...   |
[INFO] [stdout] 141 | |         return Ok(());
[INFO] [stdout] 142 | |     });
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let _ = possible_moves.into_par_iter().try_for_each(|m| {
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.32s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "a7f3084a95c86442c799a4f0efd52c3fe1a38ec3841ff8418aa6ff6e68ab9a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7f3084a95c86442c799a4f0efd52c3fe1a38ec3841ff8418aa6ff6e68ab9a8f", kill_on_drop: false }`
[INFO] [stdout] a7f3084a95c86442c799a4f0efd52c3fe1a38ec3841ff8418aa6ff6e68ab9a8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b462490104f1ac66ccf138fcc958e3bb3f844983598bb94f677ff2fea214a135
[INFO] running `Command { std: "docker" "start" "-a" "b462490104f1ac66ccf138fcc958e3bb3f844983598bb94f677ff2fea214a135", kill_on_drop: false }`
[INFO] [stderr]    Compiling sstackrr-backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fetch_game_state`
[INFO] [stdout]  --> src/adversary.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::db::{fetch_game_state};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]  --> src/adversary_minimax.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/adversary_minimax.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::db::GameStateSerialized`
[INFO] [stdout]  --> src/adversary_minimax.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::db::GameStateSerialized;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Blue`
[INFO] [stdout]    --> src/adversary_minimax.rs:155:31
[INFO] [stdout]     |
[INFO] [stdout] 155 |     use crate::game::Player::{Blue, Red};
[INFO] [stdout]     |                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> src/game.rs:82:30
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let (size_x, size_y, field) = (self.size_x, self.size_y, &self.field);
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player`
[INFO] [stdout]   --> src/adversary.rs:97:20
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 Ok(player) => {
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/adversary_minimax.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let mut try_game = &mut game.clone();
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/adversary_minimax.rs:69:22
[INFO] [stdout]    |
[INFO] [stdout] 69 |                      mut alpha: i32,
[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]   --> src/adversary_minimax.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut possible_moves = game.possible_moves(); // so the caller won't trick us with a wrong depth
[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]   --> src/adversary_minimax.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let mut max = (game.size_x() as i32 * game.size_y() as i32 - 1 - game.current_depth() as i32) / 2;
[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]    --> src/adversary_minimax.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let mut best_move: Mutex<Option<Move>> = Mutex::new(None);
[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]    --> src/adversary_minimax.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let mut new_alpha: AtomicI32 = AtomicI32::new(alpha.clone());
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/adversary_minimax.rs:274:13
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let r = minimax(&State::deserialize(&GameStateSerialized(PERFORMANCE_TEST.to_string())).unwrap());
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stdout]   --> src/main.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | /     tokio::join!(run_subscribe_bots(), axum::Server::bind(&format!("0.0.0.0:{}", &port).parse().unwrap())
[INFO] [stdout] 73 | |         .serve(app.into_make_service()));
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/db.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     embedded_migrations::run(&STATICS.db_connection.get().unwrap());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let _ = embedded_migrations::run(&STATICS.db_connection.get().unwrap());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/db.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         f.write_str("GameStateSerialized(\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let _ = f.write_str("GameStateSerialized(\n");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/adversary_minimax.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | /     possible_moves.into_par_iter().try_for_each(|m| {
[INFO] [stdout] 118 | |         let mut try_game = &mut game.clone();
[INFO] [stdout] 119 | |         try_game.push_move(m).unwrap();
[INFO] [stdout] 120 | |         let hash = try_game.hash_non_historical();
[INFO] [stdout] ...   |
[INFO] [stdout] 141 | |         return Ok(());
[INFO] [stdout] 142 | |     });
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let _ = possible_moves.into_par_iter().try_for_each(|m| {
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.42s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b462490104f1ac66ccf138fcc958e3bb3f844983598bb94f677ff2fea214a135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b462490104f1ac66ccf138fcc958e3bb3f844983598bb94f677ff2fea214a135", kill_on_drop: false }`
[INFO] [stdout] b462490104f1ac66ccf138fcc958e3bb3f844983598bb94f677ff2fea214a135
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f79df2b69ae3cddade42aac57b105d94f45bb07b0df8425be5bc15620e1cc776
[INFO] running `Command { std: "docker" "start" "-a" "f79df2b69ae3cddade42aac57b105d94f45bb07b0df8425be5bc15620e1cc776", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `fetch_game_state`
[INFO] [stderr]  --> src/adversary.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::db::{fetch_game_state};
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::Cell`
[INFO] [stderr]  --> src/adversary_minimax.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cell::Cell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/adversary_minimax.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::db::GameStateSerialized`
[INFO] [stderr]  --> src/adversary_minimax.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::db::GameStateSerialized;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Blue`
[INFO] [stderr]    --> src/adversary_minimax.rs:155:31
[INFO] [stderr]     |
[INFO] [stderr] 155 |     use crate::game::Player::{Blue, Red};
[INFO] [stderr]     |                               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `field`
[INFO] [stderr]   --> src/game.rs:82:30
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let (size_x, size_y, field) = (self.size_x, self.size_y, &self.field);
[INFO] [stderr]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `player`
[INFO] [stderr]   --> src/adversary.rs:97:20
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 Ok(player) => {
[INFO] [stderr]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/adversary_minimax.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let mut try_game = &mut game.clone();
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/adversary_minimax.rs:69:22
[INFO] [stderr]    |
[INFO] [stderr] 69 |                      mut alpha: i32,
[INFO] [stderr]    |                      ----^^^^^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/adversary_minimax.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |     let mut possible_moves = game.possible_moves(); // so the caller won't trick us with a wrong depth
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/adversary_minimax.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let mut max = (game.size_x() as i32 * game.size_y() as i32 - 1 - game.current_depth() as i32) / 2;
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/adversary_minimax.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |     let mut best_move: Mutex<Option<Move>> = Mutex::new(None);
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/adversary_minimax.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let mut new_alpha: AtomicI32 = AtomicI32::new(alpha.clone());
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/adversary_minimax.rs:274:13
[INFO] [stderr]     |
[INFO] [stderr] 274 |         let r = minimax(&State::deserialize(&GameStateSerialized(PERFORMANCE_TEST.to_string())).unwrap());
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stderr]   --> src/main.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 | /     tokio::join!(run_subscribe_bots(), axum::Server::bind(&format!("0.0.0.0:{}", &port).parse().unwrap())
[INFO] [stderr] 73 | |         .serve(app.into_make_service()));
[INFO] [stderr]    | |________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/db.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     embedded_migrations::run(&STATICS.db_connection.get().unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let _ = embedded_migrations::run(&STATICS.db_connection.get().unwrap());
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/db.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         f.write_str("GameStateSerialized(\n");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let _ = f.write_str("GameStateSerialized(\n");
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/adversary_minimax.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 | /     possible_moves.into_par_iter().try_for_each(|m| {
[INFO] [stderr] 118 | |         let mut try_game = &mut game.clone();
[INFO] [stderr] 119 | |         try_game.push_move(m).unwrap();
[INFO] [stderr] 120 | |         let hash = try_game.hash_non_historical();
[INFO] [stderr] ...   |
[INFO] [stderr] 141 | |         return Ok(());
[INFO] [stderr] 142 | |     });
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 117 |     let _ = possible_moves.into_par_iter().try_for_each(|m| {
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `sstackrr-backend` (bin "sstackrr-backend" test) generated 18 warnings (run `cargo fix --bin "sstackrr-backend" --tests` to apply 14 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sstackrr_backend-94cc23b6fde288ee)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test adversary_minimax::tests::expectimax_none ... ok
[INFO] [stdout] test adversary_minimax::tests::expectimax_three_better_than_many_two ... ok
[INFO] [stdout] test adversary_minimax::tests::expectimax_winning_windows_aint_equal ... ok
[INFO] [stdout] test game::tests::bug1 ... ok
[INFO] [stdout] test game::tests::calc_field_index_rect_test ... ok
[INFO] [stdout] test game::tests::game_ongoing ... ok
[INFO] [stdout] test game::tests::game_stalemate ... ok
[INFO] [stdout] test game::tests::hashing ... ok
[INFO] [stdout] test game::tests::possible_moves_nogame ... ok
[INFO] [stdout] test game::tests::possible_moves_empty ... ok
[INFO] [stdout] test game::tests::winner_horizontal ... ok
[INFO] [stdout] test game::tests::not_a_square - should panic ... FAILED
[INFO] [stdout] test game::tests::many_turns ... ok
[INFO] [stdout] test game::tests::winner_diagonal ... ok
[INFO] [stdout] test game::tests::winner_diagonal_alternative ... ok
[INFO] [stdout] test game::tests::possible_moves_cloggedgame ... ok
[INFO] [stdout] test game::tests::serializations ... ok
[INFO] [stdout] test game::tests::winner_vertical ... ok
[INFO] [stdout] test game::tests::winner_vertical_blue ... ok
[INFO] [stdout] test game::tests::winning_turn ... ok
[INFO] [stdout] test adversary_minimax::tests::minimax_bigger_opportunity ... ok
[INFO] [stdout] test adversary_minimax::tests::minimax_real_opportunity ... ok
[INFO] [stdout] test adversary_minimax::tests::minimax_opportunity ... ok
[INFO] [stdout] test adversary_minimax::tests::minimax_opportunity2 ... ok
[INFO] [stdout] test adversary_minimax::tests::bug_1 ... ok
[INFO] [stdout] test adversary_minimax::tests::minimax_blocker ... ok
[INFO] [stdout] test adversary_minimax::tests::performance ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- game::tests::not_a_square stdout ----
[INFO] [stdout] note: test did not panic as expected
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     game::tests::not_a_square
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 26 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 14.90s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin sstackrr-backend`
[INFO] running `Command { std: "docker" "inspect" "f79df2b69ae3cddade42aac57b105d94f45bb07b0df8425be5bc15620e1cc776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f79df2b69ae3cddade42aac57b105d94f45bb07b0df8425be5bc15620e1cc776", kill_on_drop: false }`
[INFO] [stdout] f79df2b69ae3cddade42aac57b105d94f45bb07b0df8425be5bc15620e1cc776
[INFO] testing Firfi/sstackrr-backend against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFirfi%2Fsstackrr-backend" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Firfi/sstackrr-backend on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Firfi/sstackrr-backend
[INFO] finished tweaking git repo https://github.com/Firfi/sstackrr-backend
[INFO] tweaked toml for git repo https://github.com/Firfi/sstackrr-backend written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Firfi/sstackrr-backend 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 30030d60c6fc39da08d4ab184ed63ec0267d42edf8ca9a47247129ea09b0fe60
[INFO] running `Command { std: "docker" "start" "-a" "30030d60c6fc39da08d4ab184ed63ec0267d42edf8ca9a47247129ea09b0fe60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30030d60c6fc39da08d4ab184ed63ec0267d42edf8ca9a47247129ea09b0fe60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30030d60c6fc39da08d4ab184ed63ec0267d42edf8ca9a47247129ea09b0fe60", kill_on_drop: false }`
[INFO] [stdout] 30030d60c6fc39da08d4ab184ed63ec0267d42edf8ca9a47247129ea09b0fe60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `fetch_game_state`
[INFO] [stdout]  --> src/adversary.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::db::{fetch_game_state};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]  --> src/adversary_minimax.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/adversary_minimax.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::db::GameStateSerialized`
[INFO] [stdout]  --> src/adversary_minimax.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::db::GameStateSerialized;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> src/game.rs:82:30
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let (size_x, size_y, field) = (self.size_x, self.size_y, &self.field);
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player`
[INFO] [stdout]   --> src/adversary.rs:97:20
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 Ok(player) => {
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/adversary_minimax.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let mut try_game = &mut game.clone();
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/adversary_minimax.rs:69:22
[INFO] [stdout]    |
[INFO] [stdout] 69 |                      mut alpha: i32,
[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]   --> src/adversary_minimax.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut possible_moves = game.possible_moves(); // so the caller won't trick us with a wrong depth
[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]   --> src/adversary_minimax.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let mut max = (game.size_x() as i32 * game.size_y() as i32 - 1 - game.current_depth() as i32) / 2;
[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]    --> src/adversary_minimax.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let mut best_move: Mutex<Option<Move>> = Mutex::new(None);
[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]    --> src/adversary_minimax.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let mut new_alpha: AtomicI32 = AtomicI32::new(alpha.clone());
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expectimax` is never used
[INFO] [stdout]   --> src/adversary_minimax.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn expectimax(game: &State, player: Player) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stdout]   --> src/main.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | /     tokio::join!(run_subscribe_bots(), axum::Server::bind(&format!("0.0.0.0:{}", &port).parse().unwrap())
[INFO] [stdout] 73 | |         .serve(app.into_make_service()));
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/db.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     embedded_migrations::run(&STATICS.db_connection.get().unwrap());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let _ = embedded_migrations::run(&STATICS.db_connection.get().unwrap());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/db.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         f.write_str("GameStateSerialized(\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let _ = f.write_str("GameStateSerialized(\n");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/adversary_minimax.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | /     possible_moves.into_par_iter().try_for_each(|m| {
[INFO] [stdout] 118 | |         let mut try_game = &mut game.clone();
[INFO] [stdout] 119 | |         try_game.push_move(m).unwrap();
[INFO] [stdout] 120 | |         let hash = try_game.hash_non_historical();
[INFO] [stdout] ...   |
[INFO] [stdout] 141 | |         return Ok(());
[INFO] [stdout] 142 | |     });
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let _ = possible_moves.into_par_iter().try_for_each(|m| {
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.86s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "3c8bb4dfdc13e169a43b227885ac25d8194818e33c280e349256864ad16a9e36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c8bb4dfdc13e169a43b227885ac25d8194818e33c280e349256864ad16a9e36", kill_on_drop: false }`
[INFO] [stdout] 3c8bb4dfdc13e169a43b227885ac25d8194818e33c280e349256864ad16a9e36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8e346e134be15eaa2e1d7a324a09d56cdc8f1b9466dd2f632f72ad526615a37
[INFO] running `Command { std: "docker" "start" "-a" "b8e346e134be15eaa2e1d7a324a09d56cdc8f1b9466dd2f632f72ad526615a37", kill_on_drop: false }`
[INFO] [stderr]    Compiling sstackrr-backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fetch_game_state`
[INFO] [stdout]  --> src/adversary.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::db::{fetch_game_state};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]  --> src/adversary_minimax.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/adversary_minimax.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::db::GameStateSerialized`
[INFO] [stdout]  --> src/adversary_minimax.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::db::GameStateSerialized;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Blue`
[INFO] [stdout]    --> src/adversary_minimax.rs:155:31
[INFO] [stdout]     |
[INFO] [stdout] 155 |     use crate::game::Player::{Blue, Red};
[INFO] [stdout]     |                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> src/game.rs:82:30
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let (size_x, size_y, field) = (self.size_x, self.size_y, &self.field);
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player`
[INFO] [stdout]   --> src/adversary.rs:97:20
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 Ok(player) => {
[INFO] [stdout]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/adversary_minimax.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let mut try_game = &mut game.clone();
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/adversary_minimax.rs:69:22
[INFO] [stdout]    |
[INFO] [stdout] 69 |                      mut alpha: i32,
[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]   --> src/adversary_minimax.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut possible_moves = game.possible_moves(); // so the caller won't trick us with a wrong depth
[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]   --> src/adversary_minimax.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let mut max = (game.size_x() as i32 * game.size_y() as i32 - 1 - game.current_depth() as i32) / 2;
[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]    --> src/adversary_minimax.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let mut best_move: Mutex<Option<Move>> = Mutex::new(None);
[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]    --> src/adversary_minimax.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let mut new_alpha: AtomicI32 = AtomicI32::new(alpha.clone());
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/adversary_minimax.rs:274:13
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let r = minimax(&State::deserialize(&GameStateSerialized(PERFORMANCE_TEST.to_string())).unwrap());
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stdout]   --> src/main.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | /     tokio::join!(run_subscribe_bots(), axum::Server::bind(&format!("0.0.0.0:{}", &port).parse().unwrap())
[INFO] [stdout] 73 | |         .serve(app.into_make_service()));
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/db.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     embedded_migrations::run(&STATICS.db_connection.get().unwrap());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let _ = embedded_migrations::run(&STATICS.db_connection.get().unwrap());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/db.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         f.write_str("GameStateSerialized(\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let _ = f.write_str("GameStateSerialized(\n");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/adversary_minimax.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 | /     possible_moves.into_par_iter().try_for_each(|m| {
[INFO] [stdout] 118 | |         let mut try_game = &mut game.clone();
[INFO] [stdout] 119 | |         try_game.push_move(m).unwrap();
[INFO] [stdout] 120 | |         let hash = try_game.hash_non_historical();
[INFO] [stdout] ...   |
[INFO] [stdout] 141 | |         return Ok(());
[INFO] [stdout] 142 | |     });
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let _ = possible_moves.into_par_iter().try_for_each(|m| {
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b8e346e134be15eaa2e1d7a324a09d56cdc8f1b9466dd2f632f72ad526615a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8e346e134be15eaa2e1d7a324a09d56cdc8f1b9466dd2f632f72ad526615a37", kill_on_drop: false }`
[INFO] [stdout] b8e346e134be15eaa2e1d7a324a09d56cdc8f1b9466dd2f632f72ad526615a37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 95a28302e9ec4cd6ab3083bc161c4bae439c94c46f9c5a4d8a4f0a5056857362
[INFO] running `Command { std: "docker" "start" "-a" "95a28302e9ec4cd6ab3083bc161c4bae439c94c46f9c5a4d8a4f0a5056857362", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `fetch_game_state`
[INFO] [stderr]  --> src/adversary.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::db::{fetch_game_state};
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::Cell`
[INFO] [stderr]  --> src/adversary_minimax.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cell::Cell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/adversary_minimax.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::db::GameStateSerialized`
[INFO] [stderr]  --> src/adversary_minimax.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::db::GameStateSerialized;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Blue`
[INFO] [stderr]    --> src/adversary_minimax.rs:155:31
[INFO] [stderr]     |
[INFO] [stderr] 155 |     use crate::game::Player::{Blue, Red};
[INFO] [stderr]     |                               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `field`
[INFO] [stderr]   --> src/game.rs:82:30
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let (size_x, size_y, field) = (self.size_x, self.size_y, &self.field);
[INFO] [stderr]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `player`
[INFO] [stderr]   --> src/adversary.rs:97:20
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 Ok(player) => {
[INFO] [stderr]    |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/adversary_minimax.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let mut try_game = &mut game.clone();
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/adversary_minimax.rs:69:22
[INFO] [stderr]    |
[INFO] [stderr] 69 |                      mut alpha: i32,
[INFO] [stderr]    |                      ----^^^^^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/adversary_minimax.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |     let mut possible_moves = game.possible_moves(); // so the caller won't trick us with a wrong depth
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/adversary_minimax.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let mut max = (game.size_x() as i32 * game.size_y() as i32 - 1 - game.current_depth() as i32) / 2;
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/adversary_minimax.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |     let mut best_move: Mutex<Option<Move>> = Mutex::new(None);
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/adversary_minimax.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let mut new_alpha: AtomicI32 = AtomicI32::new(alpha.clone());
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/adversary_minimax.rs:274:13
[INFO] [stderr]     |
[INFO] [stderr] 274 |         let r = minimax(&State::deserialize(&GameStateSerialized(PERFORMANCE_TEST.to_string())).unwrap());
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` in tuple element 1 that must be used
[INFO] [stderr]   --> src/main.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 | /     tokio::join!(run_subscribe_bots(), axum::Server::bind(&format!("0.0.0.0:{}", &port).parse().unwrap())
[INFO] [stderr] 73 | |         .serve(app.into_make_service()));
[INFO] [stderr]    | |________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/db.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     embedded_migrations::run(&STATICS.db_connection.get().unwrap());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let _ = embedded_migrations::run(&STATICS.db_connection.get().unwrap());
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/db.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         f.write_str("GameStateSerialized(\n");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let _ = f.write_str("GameStateSerialized(\n");
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/adversary_minimax.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 | /     possible_moves.into_par_iter().try_for_each(|m| {
[INFO] [stderr] 118 | |         let mut try_game = &mut game.clone();
[INFO] [stderr] 119 | |         try_game.push_move(m).unwrap();
[INFO] [stderr] 120 | |         let hash = try_game.hash_non_historical();
[INFO] [stderr] ...   |
[INFO] [stderr] 141 | |         return Ok(());
[INFO] [stderr] 142 | |     });
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 117 |     let _ = possible_moves.into_par_iter().try_for_each(|m| {
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `sstackrr-backend` (bin "sstackrr-backend" test) generated 18 warnings (run `cargo fix --bin "sstackrr-backend" --tests` to apply 14 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sstackrr_backend-d1e0c9ee8666b29b)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test adversary_minimax::tests::expectimax_none ... ok
[INFO] [stdout] test game::tests::hashing ... ok
[INFO] [stdout] test adversary_minimax::tests::expectimax_three_better_than_many_two ... ok
[INFO] [stdout] test game::tests::bug1 ... ok
[INFO] [stdout] test game::tests::possible_moves_cloggedgame ... ok
[INFO] [stdout] test game::tests::calc_field_index_rect_test ... ok
[INFO] [stdout] test game::tests::game_stalemate ... ok
[INFO] [stdout] test game::tests::not_a_square - should panic ... FAILED
[INFO] [stdout] test game::tests::possible_moves_nogame ... ok
[INFO] [stdout] test game::tests::serializations ... ok
[INFO] [stdout] test game::tests::possible_moves_empty ... ok
[INFO] [stdout] test adversary_minimax::tests::minimax_real_opportunity ... ok
[INFO] [stdout] test adversary_minimax::tests::expectimax_winning_windows_aint_equal ... ok
[INFO] [stdout] test game::tests::game_ongoing ... ok
[INFO] [stdout] test game::tests::winning_turn ... ok
[INFO] [stdout] test game::tests::winner_horizontal ... ok
[INFO] [stdout] test game::tests::winner_diagonal_alternative ... ok
[INFO] [stdout] test game::tests::winner_vertical_blue ... ok
[INFO] [stdout] test game::tests::winner_vertical ... ok
[INFO] [stdout] test game::tests::many_turns ... ok
[INFO] [stdout] test adversary_minimax::tests::minimax_bigger_opportunity ... ok
[INFO] [stdout] test game::tests::winner_diagonal ... ok
[INFO] [stdout] test adversary_minimax::tests::minimax_opportunity ... ok
[INFO] [stdout] test adversary_minimax::tests::minimax_opportunity2 ... ok
[INFO] [stdout] test adversary_minimax::tests::bug_1 ... ok
[INFO] [stdout] test adversary_minimax::tests::minimax_blocker ... ok
[INFO] [stdout] test adversary_minimax::tests::performance ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- game::tests::not_a_square stdout ----
[INFO] [stdout] note: test did not panic as expected
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     game::tests::not_a_square
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 26 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 28.65s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin sstackrr-backend`
[INFO] running `Command { std: "docker" "inspect" "95a28302e9ec4cd6ab3083bc161c4bae439c94c46f9c5a4d8a4f0a5056857362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a28302e9ec4cd6ab3083bc161c4bae439c94c46f9c5a4d8a4f0a5056857362", kill_on_drop: false }`
[INFO] [stdout] 95a28302e9ec4cd6ab3083bc161c4bae439c94c46f9c5a4d8a4f0a5056857362
