[INFO] updating cached repository moseslee90/tetris-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/moseslee90/tetris-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/moseslee90/tetris-rust" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/moseslee90/tetris-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/moseslee90/tetris-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/moseslee90/tetris-rust" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/moseslee90/tetris-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/moseslee90/tetris-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 78f5873831c0a99d27213e02b03b0476453d1106
[INFO] sha for GitHub repo moseslee90/tetris-rust: 78f5873831c0a99d27213e02b03b0476453d1106
[INFO] validating manifest of moseslee90/tetris-rust 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 moseslee90/tetris-rust 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 moseslee90/tetris-rust
[INFO] finished frobbing moseslee90/tetris-rust
[INFO] frobbed toml for moseslee90/tetris-rust written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/moseslee90/tetris-rust/Cargo.toml
[INFO] started frobbing moseslee90/tetris-rust
[INFO] finished frobbing moseslee90/tetris-rust
[INFO] frobbed toml for moseslee90/tetris-rust written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/moseslee90/tetris-rust/Cargo.toml
[INFO] crate moseslee90/tetris-rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking moseslee90/tetris-rust against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/moseslee90/tetris-rust:/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] 7786f6a413d49215cd060a07d999ca73263b52df522e9fc5241a98614a5e70c0
[INFO] running `"docker" "start" "-a" "7786f6a413d49215cd060a07d999ca73263b52df522e9fc5241a98614a5e70c0"`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking json v0.11.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tetris-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `is_floor`
[INFO] [stderr]    --> src/board.rs:80:5
[INFO] [stderr]     |
[INFO] [stderr] 80  | /     fn is_floor(
[INFO] [stderr] 81  | |         &self,
[INFO] [stderr] 82  | |         game_variables: &GameVariables,
[INFO] [stderr] 83  | |     ) -> bool {
[INFO] [stderr] ...   |
[INFO] [stderr] 107 | |         return false;
[INFO] [stderr] 108 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_piece`
[INFO] [stderr]    --> src/board.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 | /     pub fn move_piece(
[INFO] [stderr] 121 | |         &mut self,
[INFO] [stderr] 122 | |         direction: &str,
[INFO] [stderr] 123 | |         amount: usize,
[INFO] [stderr] ...   |
[INFO] [stderr] 156 | |         };
[INFO] [stderr] 157 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `no_collision`
[INFO] [stderr]    --> src/board.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 | /     fn no_collision(
[INFO] [stderr] 190 | |         &self,
[INFO] [stderr] 191 | |         game_variables: &GameVariables,
[INFO] [stderr] 192 | |     ) -> bool {
[INFO] [stderr] ...   |
[INFO] [stderr] 217 | |         //collision with fixed pieces needs to be added in the future for human playability
[INFO] [stderr] 218 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_game_board`
[INFO] [stderr]    --> src/board.rs:273:5
[INFO] [stderr]     |
[INFO] [stderr] 273 |     pub fn print_game_board(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_holding_board`
[INFO] [stderr]    --> src/board.rs:319:5
[INFO] [stderr]     |
[INFO] [stderr] 319 |     pub fn print_holding_board(holding_board: &[[u8; HOLDING_SIZE]; HOLDING_SIZE]) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_piece`
[INFO] [stderr]    --> src/board.rs:334:5
[INFO] [stderr]     |
[INFO] [stderr] 334 | /     pub fn rotate_piece(
[INFO] [stderr] 335 | |         &mut self,
[INFO] [stderr] 336 | |         game_variables: &mut GameVariables,
[INFO] [stderr] 337 | |     ) {
[INFO] [stderr] ...   |
[INFO] [stderr] 375 | |         }
[INFO] [stderr] 376 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `HOLDING_SIZE`
[INFO] [stderr]  --> src/game_constants.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub const HOLDING_SIZE: usize = 4;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NONE`
[INFO] [stderr]   --> src/game_constants.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub const NONE: &str = "none";
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_floor`
[INFO] [stderr]    --> src/board.rs:80:5
[INFO] [stderr]     |
[INFO] [stderr] 80  | /     fn is_floor(
[INFO] [stderr] 81  | |         &self,
[INFO] [stderr] 82  | |         game_variables: &GameVariables,
[INFO] [stderr] 83  | |     ) -> bool {
[INFO] [stderr] ...   |
[INFO] [stderr] 107 | |         return false;
[INFO] [stderr] 108 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_piece`
[INFO] [stderr]    --> src/board.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 | /     pub fn move_piece(
[INFO] [stderr] 121 | |         &mut self,
[INFO] [stderr] 122 | |         direction: &str,
[INFO] [stderr] 123 | |         amount: usize,
[INFO] [stderr] ...   |
[INFO] [stderr] 156 | |         };
[INFO] [stderr] 157 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `no_collision`
[INFO] [stderr]    --> src/board.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 | /     fn no_collision(
[INFO] [stderr] 190 | |         &self,
[INFO] [stderr] 191 | |         game_variables: &GameVariables,
[INFO] [stderr] 192 | |     ) -> bool {
[INFO] [stderr] ...   |
[INFO] [stderr] 217 | |         //collision with fixed pieces needs to be added in the future for human playability
[INFO] [stderr] 218 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_game_board`
[INFO] [stderr]    --> src/board.rs:273:5
[INFO] [stderr]     |
[INFO] [stderr] 273 |     pub fn print_game_board(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_holding_board`
[INFO] [stderr]    --> src/board.rs:319:5
[INFO] [stderr]     |
[INFO] [stderr] 319 |     pub fn print_holding_board(holding_board: &[[u8; HOLDING_SIZE]; HOLDING_SIZE]) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_piece`
[INFO] [stderr]    --> src/board.rs:334:5
[INFO] [stderr]     |
[INFO] [stderr] 334 | /     pub fn rotate_piece(
[INFO] [stderr] 335 | |         &mut self,
[INFO] [stderr] 336 | |         game_variables: &mut GameVariables,
[INFO] [stderr] 337 | |     ) {
[INFO] [stderr] ...   |
[INFO] [stderr] 375 | |         }
[INFO] [stderr] 376 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `HOLDING_SIZE`
[INFO] [stderr]  --> src/game_constants.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub const HOLDING_SIZE: usize = 4;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NONE`
[INFO] [stderr]   --> src/game_constants.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub const NONE: &str = "none";
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 5.90s
[INFO] running `"docker" "inspect" "7786f6a413d49215cd060a07d999ca73263b52df522e9fc5241a98614a5e70c0"`
[INFO] running `"docker" "rm" "-f" "7786f6a413d49215cd060a07d999ca73263b52df522e9fc5241a98614a5e70c0"`
[INFO] [stdout] 7786f6a413d49215cd060a07d999ca73263b52df522e9fc5241a98614a5e70c0