Nov 04 08:38:49.766 INFO checking conundrumer/crossword against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 08:38:49.767 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-5/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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 04 08:38:50.271 INFO blam! 2925b1d117d3ab314b55661f4a2fd720c3b9f115c95618ee5a35709662101acf
Nov 04 08:38:50.275 INFO running `"docker" "start" "-a" "2925b1d117d3ab314b55661f4a2fd720c3b9f115c95618ee5a35709662101acf"`
Nov 04 08:38:51.567 INFO kablam! usermod: no changes
Nov 04 08:38:51.667 INFO kablam!     Checking crossword v0.1.0 (/source)
Nov 04 08:38:52.288 INFO kablam! warning: unnecessary parentheses around function argument
Nov 04 08:38:52.289 INFO kablam!   --> src/grid.rs:25:21
Nov 04 08:38:52.289 INFO kablam!    |
Nov 04 08:38:52.289 INFO kablam! 25 |         vec![Empty; ((bb.width() as usize) * (bb.height() as usize))]
Nov 04 08:38:52.290 INFO kablam!    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 04 08:38:52.290 INFO kablam!    |
Nov 04 08:38:52.290 INFO kablam!    = note: #[warn(unused_parens)] on by default
Nov 04 08:38:52.291 INFO kablam! 
Nov 04 08:38:52.312 INFO kablam! warning: unnecessary parentheses around function argument
Nov 04 08:38:52.313 INFO kablam!   --> src/grid.rs:25:21
Nov 04 08:38:52.313 INFO kablam!    |
Nov 04 08:38:52.313 INFO kablam! 25 |         vec![Empty; ((bb.width() as usize) * (bb.height() as usize))]
Nov 04 08:38:52.314 INFO kablam!    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 04 08:38:52.314 INFO kablam!    |
Nov 04 08:38:52.314 INFO kablam!    = note: #[warn(unused_parens)] on by default
Nov 04 08:38:52.314 INFO kablam! 
Nov 04 08:38:52.682 INFO kablam! warning: variable does not need to be mutable
Nov 04 08:38:52.682 INFO kablam!    --> src/filter.rs:115:17
Nov 04 08:38:52.682 INFO kablam!     |
Nov 04 08:38:52.682 INFO kablam! 115 |             let mut seen = &mut self.seen.borrow_mut();
Nov 04 08:38:52.682 INFO kablam!     |                 ----^^^^
Nov 04 08:38:52.682 INFO kablam!     |                 |
Nov 04 08:38:52.682 INFO kablam!     |                 help: remove this `mut`
Nov 04 08:38:52.682 INFO kablam!     |
Nov 04 08:38:52.682 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 04 08:38:52.682 INFO kablam! 
Nov 04 08:38:52.721 INFO kablam! warning: type alias is never used: `GridCellPos`
Nov 04 08:38:52.721 INFO kablam!  --> src/grid_cell.rs:4:1
Nov 04 08:38:52.721 INFO kablam!   |
Nov 04 08:38:52.721 INFO kablam! 4 | type GridCellPos = (GridCell, (i8, i8));
Nov 04 08:38:52.721 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 08:38:52.721 INFO kablam!   |
Nov 04 08:38:52.721 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 04 08:38:52.727 INFO kablam! 
Nov 04 08:38:52.727 INFO kablam! warning: method is never used: `is_valid`
Nov 04 08:38:52.727 INFO kablam!   --> src/crossword.rs:38:5
Nov 04 08:38:52.728 INFO kablam!    |
Nov 04 08:38:52.728 INFO kablam! 38 |     pub fn is_valid(&self) -> bool {
Nov 04 08:38:52.728 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 08:38:52.729 INFO kablam! 
Nov 04 08:38:52.729 INFO kablam! warning: method is never used: `iter`
Nov 04 08:38:52.729 INFO kablam!   --> src/generate.rs:41:5
Nov 04 08:38:52.729 INFO kablam!    |
Nov 04 08:38:52.730 INFO kablam! 41 |     pub fn iter<'b>(&'b self) -> Box<Iterator<Item=Crossword> + 'b> {
Nov 04 08:38:52.730 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 08:38:52.730 INFO kablam! 
Nov 04 08:38:52.730 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 04 08:38:52.731 INFO kablam!  --> src/main.rs:1:12
Nov 04 08:38:52.731 INFO kablam!   |
Nov 04 08:38:52.731 INFO kablam! 1 | #![feature(conservative_impl_trait)]
Nov 04 08:38:52.732 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 08:38:52.732 INFO kablam!   |
Nov 04 08:38:52.732 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 04 08:38:52.732 INFO kablam! 
Nov 04 08:38:52.913 INFO kablam! warning: variable does not need to be mutable
Nov 04 08:38:52.914 INFO kablam!    --> src/filter.rs:115:17
Nov 04 08:38:52.914 INFO kablam!     |
Nov 04 08:38:52.914 INFO kablam! 115 |             let mut seen = &mut self.seen.borrow_mut();
Nov 04 08:38:52.914 INFO kablam!     |                 ----^^^^
Nov 04 08:38:52.915 INFO kablam!     |                 |
Nov 04 08:38:52.915 INFO kablam!     |                 help: remove this `mut`
Nov 04 08:38:52.916 INFO kablam!     |
Nov 04 08:38:52.916 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 04 08:38:52.916 INFO kablam! 
Nov 04 08:38:52.953 INFO kablam! warning: type alias is never used: `GridCellPos`
Nov 04 08:38:52.953 INFO kablam!  --> src/grid_cell.rs:4:1
Nov 04 08:38:52.953 INFO kablam!   |
Nov 04 08:38:52.954 INFO kablam! 4 | type GridCellPos = (GridCell, (i8, i8));
Nov 04 08:38:52.954 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 08:38:52.954 INFO kablam!   |
Nov 04 08:38:52.955 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 04 08:38:52.955 INFO kablam! 
Nov 04 08:38:52.976 INFO kablam! warning: type alias is never used: `WordPosition`
Nov 04 08:38:52.977 INFO kablam!    --> src/generate.rs:185:5
Nov 04 08:38:52.977 INFO kablam!     |
Nov 04 08:38:52.977 INFO kablam! 185 |     type WordPosition = (&'static str, Position);
Nov 04 08:38:52.977 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 08:38:52.977 INFO kablam! 
Nov 04 08:38:52.977 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 04 08:38:52.977 INFO kablam!  --> src/main.rs:1:12
Nov 04 08:38:52.977 INFO kablam!   |
Nov 04 08:38:52.977 INFO kablam! 1 | #![feature(conservative_impl_trait)]
Nov 04 08:38:52.977 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 04 08:38:52.977 INFO kablam!   |
Nov 04 08:38:52.977 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 04 08:38:52.977 INFO kablam! 
Nov 04 08:38:53.015 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
Nov 04 08:38:53.015 INFO kablam! su: No module specific data is present
Nov 04 08:38:53.383 INFO running `"docker" "rm" "-f" "2925b1d117d3ab314b55661f4a2fd720c3b9f115c95618ee5a35709662101acf"`
Nov 04 08:38:53.599 INFO blam! 2925b1d117d3ab314b55661f4a2fd720c3b9f115c95618ee5a35709662101acf