Sep 21 03:46:15.557 INFO checking rusty-santa-0.1.0 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 03:46:15.557 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 03:46:15.557 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-2/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 03:46:15.745 INFO blam! a64586417bf530ea3e3c5645168a56c586cb64cebbe3f77864c2e311faa911e3
Sep 21 03:46:15.748 INFO running `"docker" "start" "-a" "a64586417bf530ea3e3c5645168a56c586cb64cebbe3f77864c2e311faa911e3"`
Sep 21 03:46:17.016 INFO kablam! usermod: no changes
Sep 21 03:46:17.086 INFO kablam!     Checking rusty-santa v0.1.0 (/source)
Sep 21 03:46:17.610 INFO kablam! warning: unused variable: `i`
Sep 21 03:46:17.610 INFO kablam!    --> src/lib.rs:357:13
Sep 21 03:46:17.610 INFO kablam!     |
Sep 21 03:46:17.610 INFO kablam! 357 |         for i in 0..1000 {
Sep 21 03:46:17.610 INFO kablam!     |             ^ help: consider using `_i` instead
Sep 21 03:46:17.610 INFO kablam!     |
Sep 21 03:46:17.610 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 21 03:46:17.610 INFO kablam! 
Sep 21 03:46:17.632 INFO kablam! warning: method is never used: `get`
Sep 21 03:46:17.632 INFO kablam!   --> src/lib.rs:64:5
Sep 21 03:46:17.632 INFO kablam!    |
Sep 21 03:46:17.632 INFO kablam! 64 |     pub fn get(&self, x: &str, y: &str) -> bool {
Sep 21 03:46:17.632 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 03:46:17.632 INFO kablam!    |
Sep 21 03:46:17.632 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 21 03:46:17.632 INFO kablam! 
Sep 21 03:46:17.632 INFO kablam! warning: method is never used: `size`
Sep 21 03:46:17.632 INFO kablam!    --> src/lib.rs:103:5
Sep 21 03:46:17.632 INFO kablam!     |
Sep 21 03:46:17.632 INFO kablam! 103 |     pub fn size(&self) -> usize {
Sep 21 03:46:17.632 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 03:46:17.632 INFO kablam! 
Sep 21 03:46:17.666 INFO kablam! warning: variable does not need to be mutable
Sep 21 03:46:17.666 INFO kablam!    --> src/lib.rs:279:13
Sep 21 03:46:17.666 INFO kablam!     |
Sep 21 03:46:17.666 INFO kablam! 279 |         let mut matrix = Matrix::new(keys);
Sep 21 03:46:17.666 INFO kablam!     |             ----^^^^^^
Sep 21 03:46:17.666 INFO kablam!     |             |
Sep 21 03:46:17.666 INFO kablam!     |             help: remove this `mut`
Sep 21 03:46:17.666 INFO kablam!     |
Sep 21 03:46:17.666 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 03:46:17.666 INFO kablam! 
Sep 21 03:46:17.682 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 03:46:17.682 INFO kablam!    --> src/lib.rs:358:13
Sep 21 03:46:17.682 INFO kablam!     |
Sep 21 03:46:17.682 INFO kablam! 358 |             group.assign();
Sep 21 03:46:17.682 INFO kablam!     |             ^^^^^^^^^^^^^^^
Sep 21 03:46:17.682 INFO kablam!     |
Sep 21 03:46:17.682 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 21 03:46:17.682 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 03:46:17.682 INFO kablam! 
Sep 21 03:46:18.208 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
Sep 21 03:46:18.213 INFO kablam! su: No module specific data is present
Sep 21 03:46:19.127 INFO running `"docker" "rm" "-f" "a64586417bf530ea3e3c5645168a56c586cb64cebbe3f77864c2e311faa911e3"`
Sep 21 03:46:19.263 INFO blam! a64586417bf530ea3e3c5645168a56c586cb64cebbe3f77864c2e311faa911e3