[INFO] cloning repository https://github.com/kvsari/dicey-dice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kvsari/dicey-dice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkvsari%2Fdicey-dice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkvsari%2Fdicey-dice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83f1ac233567bc28ff5cba6b4ab781d4cf2b3cd8
[INFO] testing kvsari/dicey-dice against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkvsari%2Fdicey-dice" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kvsari/dicey-dice on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kvsari/dicey-dice
[INFO] finished tweaking git repo https://github.com/kvsari/dicey-dice
[INFO] tweaked toml for git repo https://github.com/kvsari/dicey-dice written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/kvsari/dicey-dice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.39
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.39
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.39
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.39
[INFO] [stderr]   Downloaded bumpalo v2.2.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e8edd8bbfa6b778f264329a4f920610ef55a78d81a5da5e50addc4468fc24ce
[INFO] running `Command { std: "docker" "start" "-a" "3e8edd8bbfa6b778f264329a4f920610ef55a78d81a5da5e50addc4468fc24ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e8edd8bbfa6b778f264329a4f920610ef55a78d81a5da5e50addc4468fc24ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e8edd8bbfa6b778f264329a4f920610ef55a78d81a5da5e50addc4468fc24ce", kill_on_drop: false }`
[INFO] [stdout] 3e8edd8bbfa6b778f264329a4f920610ef55a78d81a5da5e50addc4468fc24ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cc05647939d091668f645137509b6a0addedce7e74a9c65f2f3c261739cd4b8
[INFO] running `Command { std: "docker" "start" "-a" "4cc05647939d091668f645137509b6a0addedce7e74a9c65f2f3c261739cd4b8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling derive-getters v0.0.7
[INFO] [stderr]    Compiling dicey-dice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::num::NonZeroUsize`
[INFO] [stdout]  --> src/game/player.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::num::NonZeroUsize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `model::Hold`
[INFO] [stdout]   --> src/game.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use model::Hold;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hexagon/errors.rs:90:32
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 90 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 90 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]    --> src/game/model.rs:309:29
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub (in crate::game) fn empty(root: Board) -> Self {
[INFO] [stdout]     |                             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/hexagon/grid.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 mem::replace(data, new_data);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::num::NonZeroU8`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::num::NonZeroU8;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let start = game::generate_random_board(8, 8, players);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ai_player_c`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let ai_player_c = game::Player::new(3, 'C');
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ai_player_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ai_player_d`
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let ai_player_d = game::Player::new(4, 'D');
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ai_player_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ai_player_e`
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let ai_player_e = game::Player::new(5, 'E');
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ai_player_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ai_player_f`
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let ai_player_f = game::Player::new(6, 'F');
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ai_player_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ai_players`
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let ai_players: HashSet<game::Player> = HashSet::from_iter(
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ai_players`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.20s
[INFO] running `Command { std: "docker" "inspect" "4cc05647939d091668f645137509b6a0addedce7e74a9c65f2f3c261739cd4b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cc05647939d091668f645137509b6a0addedce7e74a9c65f2f3c261739cd4b8", kill_on_drop: false }`
[INFO] [stdout] 4cc05647939d091668f645137509b6a0addedce7e74a9c65f2f3c261739cd4b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a99143185368ffca40835bbfb43c025fb3f083bf82963489f274e067986e5fe6
[INFO] running `Command { std: "docker" "start" "-a" "a99143185368ffca40835bbfb43c025fb3f083bf82963489f274e067986e5fe6", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::num::NonZeroUsize`
[INFO] [stdout]  --> src/game/player.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::num::NonZeroUsize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `model::Hold`
[INFO] [stdout]   --> src/game.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use model::Hold;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hexagon/errors.rs:90:32
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 90 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 90 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]    --> src/game/model.rs:309:29
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub (in crate::game) fn empty(root: Board) -> Self {
[INFO] [stdout]     |                             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dicey-dice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/hexagon/grid.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 mem::replace(data, new_data);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::num::NonZeroU8`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::num::NonZeroU8;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let start = game::generate_random_board(8, 8, players);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ai_player_c`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let ai_player_c = game::Player::new(3, 'C');
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ai_player_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ai_player_d`
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let ai_player_d = game::Player::new(4, 'D');
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ai_player_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ai_player_e`
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let ai_player_e = game::Player::new(5, 'E');
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ai_player_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ai_player_f`
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let ai_player_f = game::Player::new(6, 'F');
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ai_player_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ai_players`
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let ai_players: HashSet<game::Player> = HashSet::from_iter(
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ai_players`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::num::NonZeroUsize`
[INFO] [stdout]  --> src/game/player.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::num::NonZeroUsize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `model::Hold`
[INFO] [stdout]   --> src/game.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use model::Hold;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hexagon/errors.rs:90:32
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 90 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] 90 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]    --> src/game/model.rs:309:29
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub (in crate::game) fn empty(root: Board) -> Self {
[INFO] [stdout]     |                             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/hexagon/grid.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 mem::replace(data, new_data);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "a99143185368ffca40835bbfb43c025fb3f083bf82963489f274e067986e5fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a99143185368ffca40835bbfb43c025fb3f083bf82963489f274e067986e5fe6", kill_on_drop: false }`
[INFO] [stdout] a99143185368ffca40835bbfb43c025fb3f083bf82963489f274e067986e5fe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b9cb00af7725606c9ab5eb393bd4e51952d5dcdbe12d333238fcf36e428fa98
[INFO] running `Command { std: "docker" "start" "-a" "2b9cb00af7725606c9ab5eb393bd4e51952d5dcdbe12d333238fcf36e428fa98", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::num::NonZeroUsize`
[INFO] [stderr]  --> src/game/player.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::num::NonZeroUsize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `model::Hold`
[INFO] [stderr]   --> src/game.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | use model::Hold;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hexagon/errors.rs:90:32
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 90 -     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr] 90 +     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `empty`
[INFO] [stderr]    --> src/game/model.rs:309:29
[INFO] [stderr]     |
[INFO] [stderr] 309 |     pub (in crate::game) fn empty(root: Board) -> Self {
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/hexagon/grid.rs:121:17
[INFO] [stderr]     |
[INFO] [stderr] 121 |                 mem::replace(data, new_data);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: `dicey-dice` (lib) generated 5 warnings
[INFO] [stderr] warning: `dicey-dice` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr] warning: unused import: `std::num::NonZeroU8`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::num::NonZeroU8;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start`
[INFO] [stderr]   --> src/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let start = game::generate_random_board(8, 8, players);
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ai_player_c`
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let ai_player_c = game::Player::new(3, 'C');
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ai_player_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ai_player_d`
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let ai_player_d = game::Player::new(4, 'D');
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ai_player_d`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ai_player_e`
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let ai_player_e = game::Player::new(5, 'E');
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ai_player_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ai_player_f`
[INFO] [stderr]   --> src/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let ai_player_f = game::Player::new(6, 'F');
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ai_player_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ai_players`
[INFO] [stderr]   --> src/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let ai_players: HashSet<game::Player> = HashSet::from_iter(
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ai_players`
[INFO] [stderr] 
[INFO] [stderr] warning: `dicey-dice` (bin "dicey-dice-console" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dicey_dice-e42d79a298c1c199)
[INFO] [stdout] 
[INFO] [stdout] running 53 tests
[INFO] [stdout] test game::generate::test::consequences_3x1_2player ... ok
[INFO] [stdout] test game::generate::test::breadth_first_on_canned_2x1_start01 ... ok
[INFO] [stdout] test game::model::test::board_matches_board_2x1 ... ok
[INFO] [stdout] test game::generate::test::breadth_first_on_canned_2x2_start01 ... ok
[INFO] [stdout] test game::model::test::u8_holding_01 ... ok
[INFO] [stdout] test game::model::test::u8_holding_02 ... ok
[INFO] [stdout] test game::model::test::board_matches_board_2x2 ... ok
[INFO] [stdout] test game::player::test::initialize ... ok
[INFO] [stdout] test game::model::test::u8_holding_03 ... ok
[INFO] [stdout] test game::generate::test::consequences_3x1_3player ... ok
[INFO] [stdout] test game::player::test::next_player ... ok
[INFO] [stdout] test game::player::test::remove_players ... ok
[INFO] [stdout] test game::rules::test::no_attacking_moves_available ... ok
[INFO] [stdout] test game::rules::test::no_stalemate01 ... ok
[INFO] [stdout] test game::rules::test::no_stalemate02 ... ok
[INFO] [stdout] test game::rules::test::no_stalemate03 ... ok
[INFO] [stdout] test game::rules::test::no_stalemate04 ... ok
[INFO] [stdout] test game::rules::test::no_stalemate05 ... ok
[INFO] [stdout] test game::rules::test::one_attacking_move_available ... ok
[INFO] [stdout] test game::rules::test::stalemate01 ... ok
[INFO] [stdout] test game::rules::test::stalemate02 ... ok
[INFO] [stdout] test game::rules::test::stalemate05 ... ok
[INFO] [stdout] test game::rules::test::stalemate04 ... ok
[INFO] [stdout] test game::rules::test::test_turn_over ... ok
[INFO] [stdout] test game::rules::test::two_attacking_moves_available ... ok
[INFO] [stdout] test game::score::test::insta_win_1x1 ... ok
[INFO] [stdout] test game::score::test::game_3x1 ... ok
[INFO] [stdout] test game::score::test::game_2x1 ... ok
[INFO] [stdout] test game::score::test::insta_win_2x1 ... ok
[INFO] [stdout] test game::score::test::insta_win_3x1 ... ok
[INFO] [stdout] test game::score::test::stalemate_2x1 ... ok
[INFO] [stdout] test game::score::test::stalemate_3x1 ... ok
[INFO] [stdout] test game::score::test::three_quarters_two_player ... ok
[INFO] [stdout] test hexagon::coordinate::test::axial_into_cube ... ok
[INFO] [stdout] test game::score::test::stalemate_3x1_v2 ... ok
[INFO] [stdout] test hexagon::grid::test::fork_2x2_grid ... ok
[INFO] [stdout] test hexagon::grid::test::generate_row ... ok
[INFO] [stdout] test hexagon::grid::test::grid_0x0_iterator ... ok
[INFO] [stdout] test hexagon::grid::test::grid_2x2_iterator ... ok
[INFO] [stdout] test hexagon::grid::test::rect_grid_1x1 ... ok
[INFO] [stdout] test hexagon::grid::test::rect_grid_1x2 ... ok
[INFO] [stdout] test hexagon::grid::test::rect_grid_1x4 ... ok
[INFO] [stdout] test hexagon::grid::test::rect_grid_2x2 ... ok
[INFO] [stdout] test hexagon::grid::test::rect_grid_3x3 ... ok
[INFO] [stdout] test hexagon::grid::test::rect_grid_4x4 ... ok
[INFO] [stdout] test hexagon::grid::test::rectangle_display_2x2 ... ok
[INFO] [stdout] test hexagon::grid::test::rectangle_display_3x3 ... ok
[INFO] [stdout] test session::test::state_from_board_2x1 ... ok
[INFO] [stdout] test session::test::state_from_board_2x2 ... ok
[INFO] [stdout] test session::test::start_grid_matches_2x1 ... ok
[INFO] [stdout] test session::test::start_grid_matches_2x2 ... ok
[INFO] [stdout] test game::rules::test::loser_loses ... ok
[INFO] [stdout] test game::rules::test::winner_wins ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 53 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dicey_dice_console-36f589fbe7f1a706)
[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] [stderr]    Doc-tests dicey-dice
[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" "2b9cb00af7725606c9ab5eb393bd4e51952d5dcdbe12d333238fcf36e428fa98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b9cb00af7725606c9ab5eb393bd4e51952d5dcdbe12d333238fcf36e428fa98", kill_on_drop: false }`
[INFO] [stdout] 2b9cb00af7725606c9ab5eb393bd4e51952d5dcdbe12d333238fcf36e428fa98