Sep 19 20:54:15.759 INFO checking rusty-santa-0.1.0 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 19 20:54:15.759 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 19 20:54:15.759 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-4/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 20:54:15.971 INFO blam! 7d29550a656eacf1487700aa331d4a6b6ea1aa06cc7c4537e1a1a81cbb57ee8e
Sep 19 20:54:15.973 INFO running `"docker" "start" "-a" "7d29550a656eacf1487700aa331d4a6b6ea1aa06cc7c4537e1a1a81cbb57ee8e"`
Sep 19 20:54:17.267 INFO kablam! usermod: no changes
Sep 19 20:54:17.334 INFO kablam!     Checking rusty-santa v0.1.0 (/source)
Sep 19 20:54:17.726 INFO kablam! warning: method is never used: `get`
Sep 19 20:54:17.726 INFO kablam!   --> src/lib.rs:64:5
Sep 19 20:54:17.726 INFO kablam!    |
Sep 19 20:54:17.726 INFO kablam! 64 |     pub fn get(&self, x: &str, y: &str) -> bool {
Sep 19 20:54:17.726 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 20:54:17.726 INFO kablam!    |
Sep 19 20:54:17.726 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 19 20:54:17.726 INFO kablam! 
Sep 19 20:54:17.726 INFO kablam! warning: method is never used: `size`
Sep 19 20:54:17.726 INFO kablam!    --> src/lib.rs:103:5
Sep 19 20:54:17.726 INFO kablam!     |
Sep 19 20:54:17.726 INFO kablam! 103 |     pub fn size(&self) -> usize {
Sep 19 20:54:17.726 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 20:54:17.726 INFO kablam! 
Sep 19 20:54:17.889 INFO kablam! warning: unused variable: `i`
Sep 19 20:54:17.889 INFO kablam!    --> src/lib.rs:357:13
Sep 19 20:54:17.889 INFO kablam!     |
Sep 19 20:54:17.889 INFO kablam! 357 |         for i in 0..1000 {
Sep 19 20:54:17.889 INFO kablam!     |             ^ help: consider using `_i` instead
Sep 19 20:54:17.889 INFO kablam!     |
Sep 19 20:54:17.889 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 19 20:54:17.889 INFO kablam! 
Sep 19 20:54:17.946 INFO kablam! warning: variable does not need to be mutable
Sep 19 20:54:17.946 INFO kablam!    --> src/lib.rs:279:13
Sep 19 20:54:17.946 INFO kablam!     |
Sep 19 20:54:17.946 INFO kablam! 279 |         let mut matrix = Matrix::new(keys);
Sep 19 20:54:17.946 INFO kablam!     |             ----^^^^^^
Sep 19 20:54:17.946 INFO kablam!     |             |
Sep 19 20:54:17.946 INFO kablam!     |             help: remove this `mut`
Sep 19 20:54:17.946 INFO kablam!     |
Sep 19 20:54:17.946 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 19 20:54:17.946 INFO kablam! 
Sep 19 20:54:17.982 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 20:54:17.982 INFO kablam!    --> src/lib.rs:358:13
Sep 19 20:54:17.982 INFO kablam!     |
Sep 19 20:54:17.982 INFO kablam! 358 |             group.assign();
Sep 19 20:54:17.982 INFO kablam!     |             ^^^^^^^^^^^^^^^
Sep 19 20:54:17.982 INFO kablam!     |
Sep 19 20:54:17.982 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 19 20:54:17.982 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 20:54:17.982 INFO kablam! 
Sep 19 20:54:18.199 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
Sep 19 20:54:18.203 INFO kablam! su: No module specific data is present
Sep 19 20:54:19.163 INFO running `"docker" "rm" "-f" "7d29550a656eacf1487700aa331d4a6b6ea1aa06cc7c4537e1a1a81cbb57ee8e"`
Sep 19 20:54:19.266 INFO blam! 7d29550a656eacf1487700aa331d4a6b6ea1aa06cc7c4537e1a1a81cbb57ee8e