Nov 01 16:50:17.621 INFO checking rusty-santa-0.1.0 against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 16:50:17.621 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-5/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 01 16:50:17.982 INFO blam! c1490ebfd3b015d9f082b01baa6edf9999bf03df1451b51c018515f4265ab367
Nov 01 16:50:17.990 INFO running `"docker" "start" "-a" "c1490ebfd3b015d9f082b01baa6edf9999bf03df1451b51c018515f4265ab367"`
Nov 01 16:50:19.192 INFO kablam! usermod: no changes
Nov 01 16:50:19.316 INFO kablam!     Checking rusty-santa v0.1.0 (/source)
Nov 01 16:50:20.700 INFO kablam! warning: method is never used: `get`
Nov 01 16:50:20.700 INFO kablam!   --> src/lib.rs:64:5
Nov 01 16:50:20.700 INFO kablam!    |
Nov 01 16:50:20.700 INFO kablam! 64 |     pub fn get(&self, x: &str, y: &str) -> bool {
Nov 01 16:50:20.700 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 16:50:20.700 INFO kablam!    |
Nov 01 16:50:20.700 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 16:50:20.700 INFO kablam! 
Nov 01 16:50:20.700 INFO kablam! warning: method is never used: `size`
Nov 01 16:50:20.700 INFO kablam!    --> src/lib.rs:103:5
Nov 01 16:50:20.700 INFO kablam!     |
Nov 01 16:50:20.700 INFO kablam! 103 |     pub fn size(&self) -> usize {
Nov 01 16:50:20.700 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 16:50:20.700 INFO kablam! 
Nov 01 16:50:20.700 INFO kablam! warning: unused variable: `i`
Nov 01 16:50:20.700 INFO kablam!    --> src/lib.rs:357:13
Nov 01 16:50:20.700 INFO kablam!     |
Nov 01 16:50:20.700 INFO kablam! 357 |         for i in 0..1000 {
Nov 01 16:50:20.700 INFO kablam!     |             ^ help: consider using `_i` instead
Nov 01 16:50:20.700 INFO kablam!     |
Nov 01 16:50:20.700 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 01 16:50:20.700 INFO kablam! 
Nov 01 16:50:20.757 INFO kablam! warning: variable does not need to be mutable
Nov 01 16:50:20.757 INFO kablam!    --> src/lib.rs:279:13
Nov 01 16:50:20.757 INFO kablam!     |
Nov 01 16:50:20.757 INFO kablam! 279 |         let mut matrix = Matrix::new(keys);
Nov 01 16:50:20.757 INFO kablam!     |             ----^^^^^^
Nov 01 16:50:20.757 INFO kablam!     |             |
Nov 01 16:50:20.757 INFO kablam!     |             help: remove this `mut`
Nov 01 16:50:20.757 INFO kablam!     |
Nov 01 16:50:20.757 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 16:50:20.757 INFO kablam! 
Nov 01 16:50:20.770 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 16:50:20.770 INFO kablam!    --> src/lib.rs:358:13
Nov 01 16:50:20.771 INFO kablam!     |
Nov 01 16:50:20.771 INFO kablam! 358 |             group.assign();
Nov 01 16:50:20.771 INFO kablam!     |             ^^^^^^^^^^^^^^^
Nov 01 16:50:20.772 INFO kablam!     |
Nov 01 16:50:20.772 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 01 16:50:20.772 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 16:50:20.773 INFO kablam! 
Nov 01 16:50:21.947 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
Nov 01 16:50:21.952 INFO kablam! su: No module specific data is present
Nov 01 16:50:22.410 INFO running `"docker" "rm" "-f" "c1490ebfd3b015d9f082b01baa6edf9999bf03df1451b51c018515f4265ab367"`
Nov 01 16:50:22.560 INFO blam! c1490ebfd3b015d9f082b01baa6edf9999bf03df1451b51c018515f4265ab367