Sep 10 10:29:52.307 INFO checking rusty-santa-0.1.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 10:29:52.307 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 10:29:52.307 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-0/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 10:29:52.462 INFO blam! ba4886e3e83f87a2e2f6523b39ba184c848cfc8f5ce5160e2c042321ad62d26f
Sep 10 10:29:52.464 INFO running `"docker" "start" "-a" "ba4886e3e83f87a2e2f6523b39ba184c848cfc8f5ce5160e2c042321ad62d26f"`
Sep 10 10:29:53.067 INFO kablam! usermod: no changes
Sep 10 10:29:53.133 INFO kablam!     Checking rusty-santa v0.1.0 (file:///source)
Sep 10 10:29:53.545 INFO kablam! warning: method is never used: `get`
Sep 10 10:29:53.545 INFO kablam!   --> src/lib.rs:64:5
Sep 10 10:29:53.545 INFO kablam!    |
Sep 10 10:29:53.545 INFO kablam! 64 |     pub fn get(&self, x: &str, y: &str) -> bool {
Sep 10 10:29:53.545 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 10:29:53.545 INFO kablam!    |
Sep 10 10:29:53.545 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 10:29:53.545 INFO kablam! 
Sep 10 10:29:53.545 INFO kablam! warning: method is never used: `size`
Sep 10 10:29:53.545 INFO kablam!    --> src/lib.rs:103:5
Sep 10 10:29:53.545 INFO kablam!     |
Sep 10 10:29:53.545 INFO kablam! 103 |     pub fn size(&self) -> usize {
Sep 10 10:29:53.545 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 10:29:53.545 INFO kablam! 
Sep 10 10:29:53.589 INFO kablam! warning: unused variable: `i`
Sep 10 10:29:53.589 INFO kablam!    --> src/lib.rs:357:13
Sep 10 10:29:53.589 INFO kablam!     |
Sep 10 10:29:53.589 INFO kablam! 357 |         for i in 0..1000 {
Sep 10 10:29:53.589 INFO kablam!     |             ^ help: consider using `_i` instead
Sep 10 10:29:53.589 INFO kablam!     |
Sep 10 10:29:53.589 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 10:29:53.589 INFO kablam! 
Sep 10 10:29:53.623 INFO kablam! warning: variable does not need to be mutable
Sep 10 10:29:53.623 INFO kablam!    --> src/lib.rs:279:13
Sep 10 10:29:53.623 INFO kablam!     |
Sep 10 10:29:53.623 INFO kablam! 279 |         let mut matrix = Matrix::new(keys);
Sep 10 10:29:53.623 INFO kablam!     |             ----^^^^^^
Sep 10 10:29:53.623 INFO kablam!     |             |
Sep 10 10:29:53.623 INFO kablam!     |             help: remove this `mut`
Sep 10 10:29:53.623 INFO kablam!     |
Sep 10 10:29:53.623 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 10:29:53.623 INFO kablam! 
Sep 10 10:29:53.641 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 10:29:53.641 INFO kablam!    --> src/lib.rs:358:13
Sep 10 10:29:53.641 INFO kablam!     |
Sep 10 10:29:53.641 INFO kablam! 358 |             group.assign();
Sep 10 10:29:53.641 INFO kablam!     |             ^^^^^^^^^^^^^^^
Sep 10 10:29:53.641 INFO kablam!     |
Sep 10 10:29:53.642 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 10:29:53.642 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 10:29:53.642 INFO kablam! 
Sep 10 10:29:54.019 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Sep 10 10:29:54.022 INFO kablam! su: No module specific data is present
Sep 10 10:29:54.585 INFO running `"docker" "rm" "-f" "ba4886e3e83f87a2e2f6523b39ba184c848cfc8f5ce5160e2c042321ad62d26f"`
Sep 10 10:29:54.654 INFO blam! ba4886e3e83f87a2e2f6523b39ba184c848cfc8f5ce5160e2c042321ad62d26f