Oct 27 06:01:11.872 INFO checking dbrgn/rusty-santa against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 06:01:11.872 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-1/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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"`
Oct 27 06:01:12.350 INFO blam! 57a906d4d2f05a13b1d36418c5fd7213752bc755f3519c3a75f87219f6bd7d2f
Oct 27 06:01:12.353 INFO running `"docker" "start" "-a" "57a906d4d2f05a13b1d36418c5fd7213752bc755f3519c3a75f87219f6bd7d2f"`
Oct 27 06:01:14.118 INFO kablam! usermod: no changes
Oct 27 06:01:14.249 INFO kablam!     Checking colored v1.5.3
Oct 27 06:01:14.251 INFO kablam!     Checking rusty-santa v0.1.0 (/source/rusty-santa)
Oct 27 06:01:14.266 INFO kablam!     Checking env_logger v0.4.3
Oct 27 06:01:15.747 INFO kablam! warning: method is never used: `get`
Oct 27 06:01:15.747 INFO kablam!   --> rusty-santa/src/lib.rs:64:5
Oct 27 06:01:15.747 INFO kablam!    |
Oct 27 06:01:15.747 INFO kablam! 64 |     pub fn get(&self, x: &str, y: &str) -> bool {
Oct 27 06:01:15.747 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 06:01:15.759 INFO kablam!    |
Oct 27 06:01:15.759 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 27 06:01:15.759 INFO kablam! 
Oct 27 06:01:15.759 INFO kablam! warning: method is never used: `size`
Oct 27 06:01:15.759 INFO kablam!    --> rusty-santa/src/lib.rs:103:5
Oct 27 06:01:15.759 INFO kablam!     |
Oct 27 06:01:15.759 INFO kablam! 103 |     pub fn size(&self) -> usize {
Oct 27 06:01:15.759 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 06:01:15.759 INFO kablam! 
Oct 27 06:01:16.139 INFO kablam!     Checking rusty-santa-cli v0.1.0 (/source/rusty-santa-cli)
Oct 27 06:01:18.233 INFO kablam! warning: unused variable: `i`
Oct 27 06:01:18.233 INFO kablam!    --> rusty-santa/src/lib.rs:357:13
Oct 27 06:01:18.233 INFO kablam!     |
Oct 27 06:01:18.233 INFO kablam! 357 |         for i in 0..1000 {
Oct 27 06:01:18.233 INFO kablam!     |             ^ help: consider using `_i` instead
Oct 27 06:01:18.233 INFO kablam!     |
Oct 27 06:01:18.233 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 27 06:01:18.233 INFO kablam! 
Oct 27 06:01:18.363 INFO kablam! warning: variable does not need to be mutable
Oct 27 06:01:18.363 INFO kablam!    --> rusty-santa/src/lib.rs:279:13
Oct 27 06:01:18.363 INFO kablam!     |
Oct 27 06:01:18.363 INFO kablam! 279 |         let mut matrix = Matrix::new(keys);
Oct 27 06:01:18.363 INFO kablam!     |             ----^^^^^^
Oct 27 06:01:18.363 INFO kablam!     |             |
Oct 27 06:01:18.363 INFO kablam!     |             help: remove this `mut`
Oct 27 06:01:18.363 INFO kablam!     |
Oct 27 06:01:18.363 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 27 06:01:18.363 INFO kablam! 
Oct 27 06:01:18.411 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 06:01:18.411 INFO kablam!    --> rusty-santa/src/lib.rs:358:13
Oct 27 06:01:18.411 INFO kablam!     |
Oct 27 06:01:18.411 INFO kablam! 358 |             group.assign();
Oct 27 06:01:18.411 INFO kablam!     |             ^^^^^^^^^^^^^^^
Oct 27 06:01:18.411 INFO kablam!     |
Oct 27 06:01:18.411 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 27 06:01:18.415 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 06:01:18.415 INFO kablam! 
Oct 27 06:01:18.647 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.46s
Oct 27 06:01:18.647 INFO kablam! su: No module specific data is present
Oct 27 06:01:19.340 INFO running `"docker" "rm" "-f" "57a906d4d2f05a13b1d36418c5fd7213752bc755f3519c3a75f87219f6bd7d2f"`
Oct 27 06:01:19.625 INFO blam! 57a906d4d2f05a13b1d36418c5fd7213752bc755f3519c3a75f87219f6bd7d2f