[INFO] updating cached repository kvsari/dicey-dice
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kvsari/dicey-dice
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kvsari/dicey-dice" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/kvsari/dicey-dice"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/kvsari/dicey-dice'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kvsari/dicey-dice" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/kvsari/dicey-dice"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/kvsari/dicey-dice'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 83f1ac233567bc28ff5cba6b4ab781d4cf2b3cd8
[INFO] sha for GitHub repo kvsari/dicey-dice: 83f1ac233567bc28ff5cba6b4ab781d4cf2b3cd8
[INFO] validating manifest of kvsari/dicey-dice on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kvsari/dicey-dice on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kvsari/dicey-dice
[INFO] finished frobbing kvsari/dicey-dice
[INFO] frobbed toml for kvsari/dicey-dice written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/kvsari/dicey-dice/Cargo.toml
[INFO] started frobbing kvsari/dicey-dice
[INFO] finished frobbing kvsari/dicey-dice
[INFO] frobbed toml for kvsari/dicey-dice written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/kvsari/dicey-dice/Cargo.toml
[INFO] crate kvsari/dicey-dice already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kvsari/dicey-dice against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/kvsari/dicey-dice:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c85666ab3399dd831635936826772a00f2f56b15d3342e4a2287d1130c55d4b1
[INFO] running `"docker" "start" "-a" "c85666ab3399dd831635936826772a00f2f56b15d3342e4a2287d1130c55d4b1"`
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling derive-getters v0.0.7
[INFO] [stderr]     Checking dicey-dice v0.1.0 (/opt/crater/workdir)
[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]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[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]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[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: method is never used: `empty`
[INFO] [stderr]    --> src/game/model.rs:309:5
[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: method is never used: `empty`
[INFO] [stderr]    --> src/game/model.rs:309:5
[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 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing with an underscore: `_ai_players`
[INFO] [stderr] 
[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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing with an underscore: `_ai_players`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.73s
[INFO] running `"docker" "inspect" "c85666ab3399dd831635936826772a00f2f56b15d3342e4a2287d1130c55d4b1"`
[INFO] running `"docker" "rm" "-f" "c85666ab3399dd831635936826772a00f2f56b15d3342e4a2287d1130c55d4b1"`
[INFO] [stdout] c85666ab3399dd831635936826772a00f2f56b15d3342e4a2287d1130c55d4b1