Sep 17 18:00:50.820 INFO checking rusty-santa-0.1.0 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 18:00:50.820 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 18:00:50.821 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-5/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 18:00:51.205 INFO blam! 95f2cc7354e1a50a0bc3f7da7a692e2fb990f59fccd9202f855788a775e5283a
Sep 17 18:00:51.208 INFO running `"docker" "start" "-a" "95f2cc7354e1a50a0bc3f7da7a692e2fb990f59fccd9202f855788a775e5283a"`
Sep 17 18:00:52.008 INFO kablam! usermod: no changes
Sep 17 18:00:52.074 INFO kablam!     Checking rusty-santa v0.1.0 (/source)
Sep 17 18:00:52.438 INFO kablam! warning: method is never used: `get`
Sep 17 18:00:52.438 INFO kablam!   --> src/lib.rs:64:5
Sep 17 18:00:52.438 INFO kablam!    |
Sep 17 18:00:52.438 INFO kablam! 64 |     pub fn get(&self, x: &str, y: &str) -> bool {
Sep 17 18:00:52.438 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 18:00:52.438 INFO kablam!    |
Sep 17 18:00:52.438 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 17 18:00:52.438 INFO kablam! 
Sep 17 18:00:52.438 INFO kablam! warning: method is never used: `size`
Sep 17 18:00:52.438 INFO kablam!    --> src/lib.rs:103:5
Sep 17 18:00:52.438 INFO kablam!     |
Sep 17 18:00:52.438 INFO kablam! 103 |     pub fn size(&self) -> usize {
Sep 17 18:00:52.438 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 17 18:00:52.438 INFO kablam! 
Sep 17 18:00:52.547 INFO kablam! warning: unused variable: `i`
Sep 17 18:00:52.547 INFO kablam!    --> src/lib.rs:357:13
Sep 17 18:00:52.547 INFO kablam!     |
Sep 17 18:00:52.547 INFO kablam! 357 |         for i in 0..1000 {
Sep 17 18:00:52.547 INFO kablam!     |             ^ help: consider using `_i` instead
Sep 17 18:00:52.547 INFO kablam!     |
Sep 17 18:00:52.547 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 17 18:00:52.547 INFO kablam! 
Sep 17 18:00:52.575 INFO kablam! warning: variable does not need to be mutable
Sep 17 18:00:52.575 INFO kablam!    --> src/lib.rs:279:13
Sep 17 18:00:52.575 INFO kablam!     |
Sep 17 18:00:52.575 INFO kablam! 279 |         let mut matrix = Matrix::new(keys);
Sep 17 18:00:52.575 INFO kablam!     |             ----^^^^^^
Sep 17 18:00:52.575 INFO kablam!     |             |
Sep 17 18:00:52.575 INFO kablam!     |             help: remove this `mut`
Sep 17 18:00:52.575 INFO kablam!     |
Sep 17 18:00:52.575 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 17 18:00:52.575 INFO kablam! 
Sep 17 18:00:52.590 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 17 18:00:52.590 INFO kablam!    --> src/lib.rs:358:13
Sep 17 18:00:52.590 INFO kablam!     |
Sep 17 18:00:52.590 INFO kablam! 358 |             group.assign();
Sep 17 18:00:52.590 INFO kablam!     |             ^^^^^^^^^^^^^^^
Sep 17 18:00:52.590 INFO kablam!     |
Sep 17 18:00:52.590 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 17 18:00:52.590 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 17 18:00:52.590 INFO kablam! 
Sep 17 18:00:52.884 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Sep 17 18:00:52.887 INFO kablam! su: No module specific data is present
Sep 17 18:00:53.620 INFO running `"docker" "rm" "-f" "95f2cc7354e1a50a0bc3f7da7a692e2fb990f59fccd9202f855788a775e5283a"`
Sep 17 18:00:53.715 INFO blam! 95f2cc7354e1a50a0bc3f7da7a692e2fb990f59fccd9202f855788a775e5283a