Nov 03 02:27:09.677 INFO checking rusty-santa-0.1.0 against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 03 02:27:09.679 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-6/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 03 02:27:10.117 INFO blam! b1cec7cb49075cafb96fc9ef71337f76f9231b454f22c49df1e6446f907ebed2
Nov 03 02:27:10.122 INFO running `"docker" "start" "-a" "b1cec7cb49075cafb96fc9ef71337f76f9231b454f22c49df1e6446f907ebed2"`
Nov 03 02:27:11.144 INFO kablam! usermod: no changes
Nov 03 02:27:11.252 INFO kablam!     Checking rusty-santa v0.1.0 (/source)
Nov 03 02:27:12.530 INFO kablam! warning: method is never used: `get`
Nov 03 02:27:12.530 INFO kablam!   --> src/lib.rs:64:5
Nov 03 02:27:12.530 INFO kablam!    |
Nov 03 02:27:12.530 INFO kablam! 64 |     pub fn get(&self, x: &str, y: &str) -> bool {
Nov 03 02:27:12.530 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 02:27:12.530 INFO kablam!    |
Nov 03 02:27:12.530 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 03 02:27:12.536 INFO kablam! 
Nov 03 02:27:12.536 INFO kablam! warning: method is never used: `size`
Nov 03 02:27:12.536 INFO kablam!    --> src/lib.rs:103:5
Nov 03 02:27:12.536 INFO kablam!     |
Nov 03 02:27:12.536 INFO kablam! 103 |     pub fn size(&self) -> usize {
Nov 03 02:27:12.536 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 02:27:12.536 INFO kablam! 
Nov 03 02:27:12.677 INFO kablam! warning: unused variable: `i`
Nov 03 02:27:12.677 INFO kablam!    --> src/lib.rs:357:13
Nov 03 02:27:12.677 INFO kablam!     |
Nov 03 02:27:12.677 INFO kablam! 357 |         for i in 0..1000 {
Nov 03 02:27:12.677 INFO kablam!     |             ^ help: consider using `_i` instead
Nov 03 02:27:12.677 INFO kablam!     |
Nov 03 02:27:12.677 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 03 02:27:12.677 INFO kablam! 
Nov 03 02:27:12.708 INFO kablam! warning: variable does not need to be mutable
Nov 03 02:27:12.708 INFO kablam!    --> src/lib.rs:279:13
Nov 03 02:27:12.708 INFO kablam!     |
Nov 03 02:27:12.708 INFO kablam! 279 |         let mut matrix = Matrix::new(keys);
Nov 03 02:27:12.708 INFO kablam!     |             ----^^^^^^
Nov 03 02:27:12.708 INFO kablam!     |             |
Nov 03 02:27:12.708 INFO kablam!     |             help: remove this `mut`
Nov 03 02:27:12.708 INFO kablam!     |
Nov 03 02:27:12.708 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 03 02:27:12.708 INFO kablam! 
Nov 03 02:27:12.721 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 03 02:27:12.721 INFO kablam!    --> src/lib.rs:358:13
Nov 03 02:27:12.721 INFO kablam!     |
Nov 03 02:27:12.721 INFO kablam! 358 |             group.assign();
Nov 03 02:27:12.721 INFO kablam!     |             ^^^^^^^^^^^^^^^
Nov 03 02:27:12.721 INFO kablam!     |
Nov 03 02:27:12.721 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 03 02:27:12.721 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 03 02:27:12.721 INFO kablam! 
Nov 03 02:27:14.003 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
Nov 03 02:27:14.004 INFO kablam! su: No module specific data is present
Nov 03 02:27:14.293 INFO running `"docker" "rm" "-f" "b1cec7cb49075cafb96fc9ef71337f76f9231b454f22c49df1e6446f907ebed2"`
Nov 03 02:27:14.405 INFO blam! b1cec7cb49075cafb96fc9ef71337f76f9231b454f22c49df1e6446f907ebed2