Oct 21 18:48:38.053 INFO checking conundrumer/crossword against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 18:48:38.054 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-0/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/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 18:48:38.525 INFO blam! 78395cdc3728c65d2b54fcaf35adfe8786cf66a518e53ff8d6283d91e9fac78f
Oct 21 18:48:38.527 INFO running `"docker" "start" "-a" "78395cdc3728c65d2b54fcaf35adfe8786cf66a518e53ff8d6283d91e9fac78f"`
Oct 21 18:48:40.452 INFO kablam! usermod: no changes
Oct 21 18:48:40.532 INFO kablam!     Checking crossword v0.1.0 (/source)
Oct 21 18:48:41.329 INFO kablam! warning: unnecessary parentheses around function argument
Oct 21 18:48:41.329 INFO kablam!   --> src/grid.rs:25:21
Oct 21 18:48:41.329 INFO kablam!    |
Oct 21 18:48:41.329 INFO kablam! 25 |         vec![Empty; ((bb.width() as usize) * (bb.height() as usize))]
Oct 21 18:48:41.330 INFO kablam!    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 21 18:48:41.330 INFO kablam!    |
Oct 21 18:48:41.330 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 21 18:48:41.331 INFO kablam! 
Oct 21 18:48:41.369 INFO kablam! warning: unnecessary parentheses around function argument
Oct 21 18:48:41.369 INFO kablam!   --> src/grid.rs:25:21
Oct 21 18:48:41.369 INFO kablam!    |
Oct 21 18:48:41.370 INFO kablam! 25 |         vec![Empty; ((bb.width() as usize) * (bb.height() as usize))]
Oct 21 18:48:41.370 INFO kablam!    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 21 18:48:41.370 INFO kablam!    |
Oct 21 18:48:41.370 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 21 18:48:41.371 INFO kablam! 
Oct 21 18:48:41.897 INFO kablam! warning: variable does not need to be mutable
Oct 21 18:48:41.898 INFO kablam!    --> src/filter.rs:115:17
Oct 21 18:48:41.898 INFO kablam!     |
Oct 21 18:48:41.898 INFO kablam! 115 |             let mut seen = &mut self.seen.borrow_mut();
Oct 21 18:48:41.899 INFO kablam!     |                 ----^^^^
Oct 21 18:48:41.899 INFO kablam!     |                 |
Oct 21 18:48:41.899 INFO kablam!     |                 help: remove this `mut`
Oct 21 18:48:41.900 INFO kablam!     |
Oct 21 18:48:41.900 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 21 18:48:41.900 INFO kablam! 
Oct 21 18:48:41.963 INFO kablam! warning: type alias is never used: `GridCellPos`
Oct 21 18:48:41.963 INFO kablam!  --> src/grid_cell.rs:4:1
Oct 21 18:48:41.963 INFO kablam!   |
Oct 21 18:48:41.964 INFO kablam! 4 | type GridCellPos = (GridCell, (i8, i8));
Oct 21 18:48:41.964 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:48:41.964 INFO kablam!   |
Oct 21 18:48:41.965 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 21 18:48:41.965 INFO kablam! 
Oct 21 18:48:41.965 INFO kablam! warning: method is never used: `is_valid`
Oct 21 18:48:41.966 INFO kablam!   --> src/crossword.rs:38:5
Oct 21 18:48:41.966 INFO kablam!    |
Oct 21 18:48:41.966 INFO kablam! 38 |     pub fn is_valid(&self) -> bool {
Oct 21 18:48:41.967 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:48:41.967 INFO kablam! 
Oct 21 18:48:41.967 INFO kablam! warning: method is never used: `iter`
Oct 21 18:48:41.968 INFO kablam!   --> src/generate.rs:41:5
Oct 21 18:48:41.968 INFO kablam!    |
Oct 21 18:48:41.968 INFO kablam! 41 |     pub fn iter<'b>(&'b self) -> Box<Iterator<Item=Crossword> + 'b> {
Oct 21 18:48:41.968 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:48:41.969 INFO kablam! 
Oct 21 18:48:41.969 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 21 18:48:41.969 INFO kablam!  --> src/main.rs:1:12
Oct 21 18:48:41.970 INFO kablam!   |
Oct 21 18:48:41.970 INFO kablam! 1 | #![feature(conservative_impl_trait)]
Oct 21 18:48:41.970 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:48:41.970 INFO kablam!   |
Oct 21 18:48:41.971 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 21 18:48:41.971 INFO kablam! 
Oct 21 18:48:42.182 INFO kablam! warning: variable does not need to be mutable
Oct 21 18:48:42.182 INFO kablam!    --> src/filter.rs:115:17
Oct 21 18:48:42.183 INFO kablam!     |
Oct 21 18:48:42.183 INFO kablam! 115 |             let mut seen = &mut self.seen.borrow_mut();
Oct 21 18:48:42.183 INFO kablam!     |                 ----^^^^
Oct 21 18:48:42.183 INFO kablam!     |                 |
Oct 21 18:48:42.184 INFO kablam!     |                 help: remove this `mut`
Oct 21 18:48:42.184 INFO kablam!     |
Oct 21 18:48:42.184 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 21 18:48:42.185 INFO kablam! 
Oct 21 18:48:42.241 INFO kablam! warning: type alias is never used: `GridCellPos`
Oct 21 18:48:42.241 INFO kablam!  --> src/grid_cell.rs:4:1
Oct 21 18:48:42.241 INFO kablam!   |
Oct 21 18:48:42.242 INFO kablam! 4 | type GridCellPos = (GridCell, (i8, i8));
Oct 21 18:48:42.242 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:48:42.242 INFO kablam!   |
Oct 21 18:48:42.243 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 21 18:48:42.243 INFO kablam! 
Oct 21 18:48:42.243 INFO kablam! warning: type alias is never used: `WordPosition`
Oct 21 18:48:42.243 INFO kablam!    --> src/generate.rs:185:5
Oct 21 18:48:42.244 INFO kablam!     |
Oct 21 18:48:42.244 INFO kablam! 185 |     type WordPosition = (&'static str, Position);
Oct 21 18:48:42.244 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:48:42.244 INFO kablam! 
Oct 21 18:48:42.245 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 21 18:48:42.245 INFO kablam!  --> src/main.rs:1:12
Oct 21 18:48:42.245 INFO kablam!   |
Oct 21 18:48:42.245 INFO kablam! 1 | #![feature(conservative_impl_trait)]
Oct 21 18:48:42.246 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:48:42.246 INFO kablam!   |
Oct 21 18:48:42.246 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 21 18:48:42.247 INFO kablam! 
Oct 21 18:48:42.349 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
Oct 21 18:48:42.351 INFO kablam! su: No module specific data is present
Oct 21 18:48:43.311 INFO running `"docker" "rm" "-f" "78395cdc3728c65d2b54fcaf35adfe8786cf66a518e53ff8d6283d91e9fac78f"`
Oct 21 18:48:43.604 INFO blam! 78395cdc3728c65d2b54fcaf35adfe8786cf66a518e53ff8d6283d91e9fac78f