Nov 09 20:39:48.458 INFO checking Cackbone/2048.rs against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 20:39:48.459 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-1/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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 20:39:48.854 INFO blam! 2006af7817597d348d2d6c1dc01ba59eae9ac136be4abb610e8e9a7926c51b41
Nov 09 20:39:48.863 INFO running `"docker" "start" "-a" "2006af7817597d348d2d6c1dc01ba59eae9ac136be4abb610e8e9a7926c51b41"`
Nov 09 20:39:50.461 INFO kablam! usermod: no changes
Nov 09 20:39:50.527 INFO kablam!     Checking rust_2048 v0.1.0 (/source)
Nov 09 20:39:51.343 INFO kablam! warning: value assigned to `grid_bis` is never read
Nov 09 20:39:51.343 INFO kablam!   --> src/main.rs:18:13
Nov 09 20:39:51.343 INFO kablam!    |
Nov 09 20:39:51.343 INFO kablam! 18 |     let mut grid_bis = [[0i8; 4];4];
Nov 09 20:39:51.343 INFO kablam!    |             ^^^^^^^^
Nov 09 20:39:51.343 INFO kablam!    |
Nov 09 20:39:51.343 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 09 20:39:51.343 INFO kablam! 
Nov 09 20:39:51.367 INFO kablam! warning: value assigned to `grid_bis` is never read
Nov 09 20:39:51.367 INFO kablam!   --> src/main.rs:18:13
Nov 09 20:39:51.367 INFO kablam!    |
Nov 09 20:39:51.367 INFO kablam! 18 |     let mut grid_bis = [[0i8; 4];4];
Nov 09 20:39:51.367 INFO kablam!    |             ^^^^^^^^
Nov 09 20:39:51.367 INFO kablam!    |
Nov 09 20:39:51.367 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 09 20:39:51.367 INFO kablam! 
Nov 09 20:39:51.379 INFO kablam! warning: variable does not need to be mutable
Nov 09 20:39:51.379 INFO kablam!   --> src/main.rs:97:28
Nov 09 20:39:51.379 INFO kablam!    |
Nov 09 20:39:51.379 INFO kablam! 97 | fn move_grid(d: Direction, mut grid: &mut [[i8; 4]; 4])
Nov 09 20:39:51.379 INFO kablam!    |                            ----^^^^
Nov 09 20:39:51.379 INFO kablam!    |                            |
Nov 09 20:39:51.379 INFO kablam!    |                            help: remove this `mut`
Nov 09 20:39:51.379 INFO kablam!    |
Nov 09 20:39:51.379 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 20:39:51.379 INFO kablam! 
Nov 09 20:39:51.383 INFO kablam! warning: variable does not need to be mutable
Nov 09 20:39:51.383 INFO kablam!    --> src/main.rs:137:13
Nov 09 20:39:51.383 INFO kablam!     |
Nov 09 20:39:51.383 INFO kablam! 137 | fn add_tile(mut grid: &mut [[i8; 4]; 4])
Nov 09 20:39:51.383 INFO kablam!     |             ----^^^^
Nov 09 20:39:51.383 INFO kablam!     |             |
Nov 09 20:39:51.383 INFO kablam!     |             help: remove this `mut`
Nov 09 20:39:51.383 INFO kablam! 
Nov 09 20:39:51.384 INFO kablam! warning: variable does not need to be mutable
Nov 09 20:39:51.384 INFO kablam!   --> src/main.rs:97:28
Nov 09 20:39:51.384 INFO kablam!    |
Nov 09 20:39:51.384 INFO kablam! 97 | fn move_grid(d: Direction, mut grid: &mut [[i8; 4]; 4])
Nov 09 20:39:51.384 INFO kablam!    |                            ----^^^^
Nov 09 20:39:51.385 INFO kablam!    |                            |
Nov 09 20:39:51.385 INFO kablam!    |                            help: remove this `mut`
Nov 09 20:39:51.385 INFO kablam!    |
Nov 09 20:39:51.385 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 20:39:51.385 INFO kablam! 
Nov 09 20:39:51.391 INFO kablam! warning: variable does not need to be mutable
Nov 09 20:39:51.391 INFO kablam!    --> src/main.rs:137:13
Nov 09 20:39:51.391 INFO kablam!     |
Nov 09 20:39:51.391 INFO kablam! 137 | fn add_tile(mut grid: &mut [[i8; 4]; 4])
Nov 09 20:39:51.391 INFO kablam!     |             ----^^^^
Nov 09 20:39:51.391 INFO kablam!     |             |
Nov 09 20:39:51.391 INFO kablam!     |             help: remove this `mut`
Nov 09 20:39:51.391 INFO kablam! 
Nov 09 20:39:51.422 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 20:39:51.422 INFO kablam!   --> src/main.rs:52:13
Nov 09 20:39:51.422 INFO kablam!    |
Nov 09 20:39:51.422 INFO kablam! 52 |             Command::new("clear").status();
Nov 09 20:39:51.422 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 20:39:51.422 INFO kablam!    |
Nov 09 20:39:51.422 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 09 20:39:51.422 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 20:39:51.422 INFO kablam! 
Nov 09 20:39:51.422 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 20:39:51.422 INFO kablam!   --> src/main.rs:75:5
Nov 09 20:39:51.422 INFO kablam!    |
Nov 09 20:39:51.422 INFO kablam! 75 |     Command::new("clear").status();
Nov 09 20:39:51.422 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 20:39:51.422 INFO kablam!    |
Nov 09 20:39:51.422 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 20:39:51.422 INFO kablam! 
Nov 09 20:39:51.443 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 20:39:51.443 INFO kablam!   --> src/main.rs:52:13
Nov 09 20:39:51.443 INFO kablam!    |
Nov 09 20:39:51.443 INFO kablam! 52 |             Command::new("clear").status();
Nov 09 20:39:51.443 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 20:39:51.443 INFO kablam!    |
Nov 09 20:39:51.443 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 09 20:39:51.443 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 20:39:51.443 INFO kablam! 
Nov 09 20:39:51.443 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 20:39:51.443 INFO kablam!   --> src/main.rs:75:5
Nov 09 20:39:51.443 INFO kablam!    |
Nov 09 20:39:51.443 INFO kablam! 75 |     Command::new("clear").status();
Nov 09 20:39:51.443 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 20:39:51.443 INFO kablam!    |
Nov 09 20:39:51.443 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 20:39:51.443 INFO kablam! 
Nov 09 20:39:51.463 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Nov 09 20:39:51.463 INFO kablam! su: No module specific data is present
Nov 09 20:39:52.567 INFO running `"docker" "rm" "-f" "2006af7817597d348d2d6c1dc01ba59eae9ac136be4abb610e8e9a7926c51b41"`
Nov 09 20:39:52.739 INFO blam! 2006af7817597d348d2d6c1dc01ba59eae9ac136be4abb610e8e9a7926c51b41