Nov 09 20:39:49.014 INFO checking Cackbone/2048.rs against master#653da4fd006c97625247acd7e076d0782cdc149b for pr-55632
Nov 09 20:39:49.014 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-5/master#653da4fd006c97625247acd7e076d0782cdc149b:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55632/master#653da4fd006c97625247acd7e076d0782cdc149b:/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 +653da4fd006c97625247acd7e076d0782cdc149b-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 09 20:39:49.532 INFO blam! 24ffa9b02663a3d9071ec2f8006bd2be6f40b315dd9df5bb155f9af37bdc9688
Nov 09 20:39:49.535 INFO running `"docker" "start" "-a" "24ffa9b02663a3d9071ec2f8006bd2be6f40b315dd9df5bb155f9af37bdc9688"`
Nov 09 20:39:51.155 INFO kablam! usermod: no changes
Nov 09 20:39:51.247 INFO kablam!     Checking rust_2048 v0.1.0 (/source)
Nov 09 20:39:52.031 INFO kablam! warning: value assigned to `grid_bis` is never read
Nov 09 20:39:52.031 INFO kablam!   --> src/main.rs:18:13
Nov 09 20:39:52.031 INFO kablam!    |
Nov 09 20:39:52.031 INFO kablam! 18 |     let mut grid_bis = [[0i8; 4];4];
Nov 09 20:39:52.031 INFO kablam!    |             ^^^^^^^^
Nov 09 20:39:52.039 INFO kablam!    |
Nov 09 20:39:52.039 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 09 20:39:52.039 INFO kablam! 
Nov 09 20:39:52.063 INFO kablam! warning: variable does not need to be mutable
Nov 09 20:39:52.063 INFO kablam!   --> src/main.rs:97:28
Nov 09 20:39:52.063 INFO kablam!    |
Nov 09 20:39:52.063 INFO kablam! 97 | fn move_grid(d: Direction, mut grid: &mut [[i8; 4]; 4])
Nov 09 20:39:52.063 INFO kablam!    |                            ----^^^^
Nov 09 20:39:52.063 INFO kablam!    |                            |
Nov 09 20:39:52.063 INFO kablam!    |                            help: remove this `mut`
Nov 09 20:39:52.071 INFO kablam!    |
Nov 09 20:39:52.071 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 20:39:52.071 INFO kablam! 
Nov 09 20:39:52.071 INFO kablam! warning: variable does not need to be mutable
Nov 09 20:39:52.071 INFO kablam!    --> src/main.rs:137:13
Nov 09 20:39:52.071 INFO kablam!     |
Nov 09 20:39:52.071 INFO kablam! 137 | fn add_tile(mut grid: &mut [[i8; 4]; 4])
Nov 09 20:39:52.071 INFO kablam!     |             ----^^^^
Nov 09 20:39:52.071 INFO kablam!     |             |
Nov 09 20:39:52.071 INFO kablam!     |             help: remove this `mut`
Nov 09 20:39:52.075 INFO kablam! 
Nov 09 20:39:52.087 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 20:39:52.087 INFO kablam!   --> src/main.rs:52:13
Nov 09 20:39:52.087 INFO kablam!    |
Nov 09 20:39:52.087 INFO kablam! 52 |             Command::new("clear").status();
Nov 09 20:39:52.087 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 20:39:52.095 INFO kablam!    |
Nov 09 20:39:52.095 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 09 20:39:52.095 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 20:39:52.095 INFO kablam! 
Nov 09 20:39:52.095 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 20:39:52.095 INFO kablam!   --> src/main.rs:75:5
Nov 09 20:39:52.095 INFO kablam!    |
Nov 09 20:39:52.095 INFO kablam! 75 |     Command::new("clear").status();
Nov 09 20:39:52.095 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 20:39:52.095 INFO kablam!    |
Nov 09 20:39:52.095 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 20:39:52.095 INFO kablam! 
Nov 09 20:39:52.259 INFO kablam! warning: value assigned to `grid_bis` is never read
Nov 09 20:39:52.259 INFO kablam!   --> src/main.rs:18:13
Nov 09 20:39:52.259 INFO kablam!    |
Nov 09 20:39:52.259 INFO kablam! 18 |     let mut grid_bis = [[0i8; 4];4];
Nov 09 20:39:52.259 INFO kablam!    |             ^^^^^^^^
Nov 09 20:39:52.259 INFO kablam!    |
Nov 09 20:39:52.259 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 09 20:39:52.259 INFO kablam! 
Nov 09 20:39:52.275 INFO kablam! warning: variable does not need to be mutable
Nov 09 20:39:52.275 INFO kablam!   --> src/main.rs:97:28
Nov 09 20:39:52.275 INFO kablam!    |
Nov 09 20:39:52.275 INFO kablam! 97 | fn move_grid(d: Direction, mut grid: &mut [[i8; 4]; 4])
Nov 09 20:39:52.275 INFO kablam!    |                            ----^^^^
Nov 09 20:39:52.275 INFO kablam!    |                            |
Nov 09 20:39:52.275 INFO kablam!    |                            help: remove this `mut`
Nov 09 20:39:52.275 INFO kablam!    |
Nov 09 20:39:52.275 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 20:39:52.275 INFO kablam! 
Nov 09 20:39:52.275 INFO kablam! warning: variable does not need to be mutable
Nov 09 20:39:52.275 INFO kablam!    --> src/main.rs:137:13
Nov 09 20:39:52.275 INFO kablam!     |
Nov 09 20:39:52.275 INFO kablam! 137 | fn add_tile(mut grid: &mut [[i8; 4]; 4])
Nov 09 20:39:52.275 INFO kablam!     |             ----^^^^
Nov 09 20:39:52.275 INFO kablam!     |             |
Nov 09 20:39:52.275 INFO kablam!     |             help: remove this `mut`
Nov 09 20:39:52.275 INFO kablam! 
Nov 09 20:39:52.288 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 20:39:52.288 INFO kablam!   --> src/main.rs:52:13
Nov 09 20:39:52.288 INFO kablam!    |
Nov 09 20:39:52.288 INFO kablam! 52 |             Command::new("clear").status();
Nov 09 20:39:52.288 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 20:39:52.288 INFO kablam!    |
Nov 09 20:39:52.288 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 09 20:39:52.288 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 20:39:52.288 INFO kablam! 
Nov 09 20:39:52.288 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 20:39:52.288 INFO kablam!   --> src/main.rs:75:5
Nov 09 20:39:52.288 INFO kablam!    |
Nov 09 20:39:52.288 INFO kablam! 75 |     Command::new("clear").status();
Nov 09 20:39:52.288 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 20:39:52.288 INFO kablam!    |
Nov 09 20:39:52.288 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 20:39:52.288 INFO kablam! 
Nov 09 20:39:52.307 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
Nov 09 20:39:52.311 INFO kablam! su: No module specific data is present
Nov 09 20:39:52.715 INFO running `"docker" "rm" "-f" "24ffa9b02663a3d9071ec2f8006bd2be6f40b315dd9df5bb155f9af37bdc9688"`
Nov 09 20:39:52.937 INFO blam! 24ffa9b02663a3d9071ec2f8006bd2be6f40b315dd9df5bb155f9af37bdc9688