Oct 21 23:58:00.662 INFO checking rusty-santa-0.1.0 against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 23:58:00.662 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-6/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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"`
Oct 21 23:58:01.048 INFO blam! 335947b6bbe05053e4cea6356bbdd882d5d8b07c305683061a0c7cf8693ead9f
Oct 21 23:58:01.056 INFO running `"docker" "start" "-a" "335947b6bbe05053e4cea6356bbdd882d5d8b07c305683061a0c7cf8693ead9f"`
Oct 21 23:58:02.020 INFO kablam! usermod: no changes
Oct 21 23:58:02.132 INFO kablam!     Checking rusty-santa v0.1.0 (/source)
Oct 21 23:58:03.106 INFO kablam! warning: method is never used: `get`
Oct 21 23:58:03.106 INFO kablam!   --> src/lib.rs:64:5
Oct 21 23:58:03.106 INFO kablam!    |
Oct 21 23:58:03.106 INFO kablam! 64 |     pub fn get(&self, x: &str, y: &str) -> bool {
Oct 21 23:58:03.106 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 23:58:03.106 INFO kablam!    |
Oct 21 23:58:03.106 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 21 23:58:03.106 INFO kablam! 
Oct 21 23:58:03.106 INFO kablam! warning: method is never used: `size`
Oct 21 23:58:03.106 INFO kablam!    --> src/lib.rs:103:5
Oct 21 23:58:03.106 INFO kablam!     |
Oct 21 23:58:03.106 INFO kablam! 103 |     pub fn size(&self) -> usize {
Oct 21 23:58:03.106 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 23:58:03.106 INFO kablam! 
Oct 21 23:58:03.587 INFO kablam! warning: unused variable: `i`
Oct 21 23:58:03.587 INFO kablam!    --> src/lib.rs:357:13
Oct 21 23:58:03.587 INFO kablam!     |
Oct 21 23:58:03.588 INFO kablam! 357 |         for i in 0..1000 {
Oct 21 23:58:03.588 INFO kablam!     |             ^ help: consider using `_i` instead
Oct 21 23:58:03.588 INFO kablam!     |
Oct 21 23:58:03.588 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 21 23:58:03.589 INFO kablam! 
Oct 21 23:58:03.600 INFO kablam! warning: variable does not need to be mutable
Oct 21 23:58:03.600 INFO kablam!    --> src/lib.rs:279:13
Oct 21 23:58:03.600 INFO kablam!     |
Oct 21 23:58:03.600 INFO kablam! 279 |         let mut matrix = Matrix::new(keys);
Oct 21 23:58:03.600 INFO kablam!     |             ----^^^^^^
Oct 21 23:58:03.600 INFO kablam!     |             |
Oct 21 23:58:03.600 INFO kablam!     |             help: remove this `mut`
Oct 21 23:58:03.600 INFO kablam!     |
Oct 21 23:58:03.600 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 21 23:58:03.600 INFO kablam! 
Oct 21 23:58:03.613 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 21 23:58:03.613 INFO kablam!    --> src/lib.rs:358:13
Oct 21 23:58:03.613 INFO kablam!     |
Oct 21 23:58:03.613 INFO kablam! 358 |             group.assign();
Oct 21 23:58:03.614 INFO kablam!     |             ^^^^^^^^^^^^^^^
Oct 21 23:58:03.614 INFO kablam!     |
Oct 21 23:58:03.614 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 21 23:58:03.615 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 21 23:58:03.615 INFO kablam! 
Oct 21 23:58:04.429 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
Oct 21 23:58:04.429 INFO kablam! su: No module specific data is present
Oct 21 23:58:04.777 INFO running `"docker" "rm" "-f" "335947b6bbe05053e4cea6356bbdd882d5d8b07c305683061a0c7cf8693ead9f"`
Oct 21 23:58:04.932 INFO blam! 335947b6bbe05053e4cea6356bbdd882d5d8b07c305683061a0c7cf8693ead9f