Nov 07 05:32:30.098 INFO checking Cackbone/2048.rs against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 05:32:30.100 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-5/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +24e66c28980442a48d9458f1a4f9b76cc722dc8a-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 07 05:32:30.500 INFO blam! 712e8e21eea4962e780f2fa60871c3f5d9b6b75b5ac676f3ecdc59182a9d2b6a
Nov 07 05:32:30.512 INFO running `"docker" "start" "-a" "712e8e21eea4962e780f2fa60871c3f5d9b6b75b5ac676f3ecdc59182a9d2b6a"`
Nov 07 05:32:32.415 INFO kablam! usermod: no changes
Nov 07 05:32:32.476 INFO kablam!     Checking rust_2048 v0.1.0 (/source)
Nov 07 05:32:33.330 INFO kablam! warning: value assigned to `grid_bis` is never read
Nov 07 05:32:33.330 INFO kablam!   --> src/main.rs:18:13
Nov 07 05:32:33.330 INFO kablam!    |
Nov 07 05:32:33.330 INFO kablam! 18 |     let mut grid_bis = [[0i8; 4];4];
Nov 07 05:32:33.330 INFO kablam!    |             ^^^^^^^^
Nov 07 05:32:33.330 INFO kablam!    |
Nov 07 05:32:33.330 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 07 05:32:33.330 INFO kablam! 
Nov 07 05:32:33.348 INFO kablam! warning: variable does not need to be mutable
Nov 07 05:32:33.348 INFO kablam!   --> src/main.rs:97:28
Nov 07 05:32:33.348 INFO kablam!    |
Nov 07 05:32:33.348 INFO kablam! 97 | fn move_grid(d: Direction, mut grid: &mut [[i8; 4]; 4])
Nov 07 05:32:33.348 INFO kablam!    |                            ----^^^^
Nov 07 05:32:33.348 INFO kablam!    |                            |
Nov 07 05:32:33.348 INFO kablam!    |                            help: remove this `mut`
Nov 07 05:32:33.348 INFO kablam!    |
Nov 07 05:32:33.348 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 05:32:33.348 INFO kablam! 
Nov 07 05:32:33.356 INFO kablam! warning: variable does not need to be mutable
Nov 07 05:32:33.356 INFO kablam!    --> src/main.rs:137:13
Nov 07 05:32:33.356 INFO kablam!     |
Nov 07 05:32:33.356 INFO kablam! 137 | fn add_tile(mut grid: &mut [[i8; 4]; 4])
Nov 07 05:32:33.356 INFO kablam!     |             ----^^^^
Nov 07 05:32:33.356 INFO kablam!     |             |
Nov 07 05:32:33.356 INFO kablam!     |             help: remove this `mut`
Nov 07 05:32:33.356 INFO kablam! 
Nov 07 05:32:33.358 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 05:32:33.358 INFO kablam!   --> src/main.rs:52:13
Nov 07 05:32:33.358 INFO kablam!    |
Nov 07 05:32:33.358 INFO kablam! 52 |             Command::new("clear").status();
Nov 07 05:32:33.358 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:32:33.358 INFO kablam!    |
Nov 07 05:32:33.358 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 07 05:32:33.358 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 05:32:33.358 INFO kablam! 
Nov 07 05:32:33.358 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 05:32:33.358 INFO kablam!   --> src/main.rs:75:5
Nov 07 05:32:33.358 INFO kablam!    |
Nov 07 05:32:33.358 INFO kablam! 75 |     Command::new("clear").status();
Nov 07 05:32:33.358 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:32:33.358 INFO kablam!    |
Nov 07 05:32:33.358 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 05:32:33.358 INFO kablam! 
Nov 07 05:32:33.380 INFO kablam! warning: value assigned to `grid_bis` is never read
Nov 07 05:32:33.380 INFO kablam!   --> src/main.rs:18:13
Nov 07 05:32:33.380 INFO kablam!    |
Nov 07 05:32:33.380 INFO kablam! 18 |     let mut grid_bis = [[0i8; 4];4];
Nov 07 05:32:33.380 INFO kablam!    |             ^^^^^^^^
Nov 07 05:32:33.380 INFO kablam!    |
Nov 07 05:32:33.380 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 07 05:32:33.380 INFO kablam! 
Nov 07 05:32:33.392 INFO kablam! warning: variable does not need to be mutable
Nov 07 05:32:33.392 INFO kablam!   --> src/main.rs:97:28
Nov 07 05:32:33.392 INFO kablam!    |
Nov 07 05:32:33.392 INFO kablam! 97 | fn move_grid(d: Direction, mut grid: &mut [[i8; 4]; 4])
Nov 07 05:32:33.392 INFO kablam!    |                            ----^^^^
Nov 07 05:32:33.392 INFO kablam!    |                            |
Nov 07 05:32:33.392 INFO kablam!    |                            help: remove this `mut`
Nov 07 05:32:33.392 INFO kablam!    |
Nov 07 05:32:33.392 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 05:32:33.392 INFO kablam! 
Nov 07 05:32:33.400 INFO kablam! warning: variable does not need to be mutable
Nov 07 05:32:33.400 INFO kablam!    --> src/main.rs:137:13
Nov 07 05:32:33.400 INFO kablam!     |
Nov 07 05:32:33.400 INFO kablam! 137 | fn add_tile(mut grid: &mut [[i8; 4]; 4])
Nov 07 05:32:33.400 INFO kablam!     |             ----^^^^
Nov 07 05:32:33.400 INFO kablam!     |             |
Nov 07 05:32:33.400 INFO kablam!     |             help: remove this `mut`
Nov 07 05:32:33.400 INFO kablam! 
Nov 07 05:32:33.408 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 05:32:33.408 INFO kablam!   --> src/main.rs:52:13
Nov 07 05:32:33.408 INFO kablam!    |
Nov 07 05:32:33.408 INFO kablam! 52 |             Command::new("clear").status();
Nov 07 05:32:33.408 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:32:33.408 INFO kablam!    |
Nov 07 05:32:33.408 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 07 05:32:33.408 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 05:32:33.408 INFO kablam! 
Nov 07 05:32:33.408 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 07 05:32:33.408 INFO kablam!   --> src/main.rs:75:5
Nov 07 05:32:33.408 INFO kablam!    |
Nov 07 05:32:33.408 INFO kablam! 75 |     Command::new("clear").status();
Nov 07 05:32:33.408 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:32:33.408 INFO kablam!    |
Nov 07 05:32:33.408 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 07 05:32:33.408 INFO kablam! 
Nov 07 05:32:33.471 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Nov 07 05:32:33.473 INFO kablam! su: No module specific data is present
Nov 07 05:32:33.946 INFO running `"docker" "rm" "-f" "712e8e21eea4962e780f2fa60871c3f5d9b6b75b5ac676f3ecdc59182a9d2b6a"`
Nov 07 05:32:34.092 INFO blam! 712e8e21eea4962e780f2fa60871c3f5d9b6b75b5ac676f3ecdc59182a9d2b6a