Sep 19 18:57:45.044 INFO checking rusty-santa-0.1.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 18:57:45.044 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 18:57:45.044 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-6/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 18:57:45.219 INFO blam! 0c72f723f94d019a34a586a41ec663933a1c76202bd05dac20279192315de49e
Sep 19 18:57:45.223 INFO running `"docker" "start" "-a" "0c72f723f94d019a34a586a41ec663933a1c76202bd05dac20279192315de49e"`
Sep 19 18:57:46.139 INFO kablam! usermod: no changes
Sep 19 18:57:46.196 INFO kablam!     Checking rusty-santa v0.1.0 (/source)
Sep 19 18:57:46.640 INFO kablam! warning: method is never used: `get`
Sep 19 18:57:46.640 INFO kablam!   --> src/lib.rs:64:5
Sep 19 18:57:46.640 INFO kablam!    |
Sep 19 18:57:46.640 INFO kablam! 64 |     pub fn get(&self, x: &str, y: &str) -> bool {
Sep 19 18:57:46.640 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 18:57:46.640 INFO kablam!    |
Sep 19 18:57:46.640 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 19 18:57:46.640 INFO kablam! 
Sep 19 18:57:46.640 INFO kablam! warning: method is never used: `size`
Sep 19 18:57:46.640 INFO kablam!    --> src/lib.rs:103:5
Sep 19 18:57:46.640 INFO kablam!     |
Sep 19 18:57:46.641 INFO kablam! 103 |     pub fn size(&self) -> usize {
Sep 19 18:57:46.641 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 18:57:46.641 INFO kablam! 
Sep 19 18:57:46.673 INFO kablam! warning: unused variable: `i`
Sep 19 18:57:46.673 INFO kablam!    --> src/lib.rs:357:13
Sep 19 18:57:46.673 INFO kablam!     |
Sep 19 18:57:46.673 INFO kablam! 357 |         for i in 0..1000 {
Sep 19 18:57:46.673 INFO kablam!     |             ^ help: consider using `_i` instead
Sep 19 18:57:46.673 INFO kablam!     |
Sep 19 18:57:46.673 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 19 18:57:46.674 INFO kablam! 
Sep 19 18:57:46.711 INFO kablam! warning: variable does not need to be mutable
Sep 19 18:57:46.711 INFO kablam!    --> src/lib.rs:279:13
Sep 19 18:57:46.711 INFO kablam!     |
Sep 19 18:57:46.711 INFO kablam! 279 |         let mut matrix = Matrix::new(keys);
Sep 19 18:57:46.711 INFO kablam!     |             ----^^^^^^
Sep 19 18:57:46.711 INFO kablam!     |             |
Sep 19 18:57:46.711 INFO kablam!     |             help: remove this `mut`
Sep 19 18:57:46.711 INFO kablam!     |
Sep 19 18:57:46.711 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 19 18:57:46.711 INFO kablam! 
Sep 19 18:57:46.721 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 18:57:46.721 INFO kablam!    --> src/lib.rs:358:13
Sep 19 18:57:46.721 INFO kablam!     |
Sep 19 18:57:46.721 INFO kablam! 358 |             group.assign();
Sep 19 18:57:46.721 INFO kablam!     |             ^^^^^^^^^^^^^^^
Sep 19 18:57:46.721 INFO kablam!     |
Sep 19 18:57:46.721 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 19 18:57:46.721 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 18:57:46.721 INFO kablam! 
Sep 19 18:57:47.119 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Sep 19 18:57:47.129 INFO kablam! su: No module specific data is present
Sep 19 18:57:47.826 INFO running `"docker" "rm" "-f" "0c72f723f94d019a34a586a41ec663933a1c76202bd05dac20279192315de49e"`
Sep 19 18:57:48.011 INFO blam! 0c72f723f94d019a34a586a41ec663933a1c76202bd05dac20279192315de49e