Oct 12 23:25:38.301 INFO checking conundrumer/crossword against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 23:25:38.302 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 12 23:25:38.726 INFO blam! 53a9670354884ba5e6bc9c251938a949aea68503ea83a3f8a89c7136c98480b4
Oct 12 23:25:38.728 INFO running `"docker" "start" "-a" "53a9670354884ba5e6bc9c251938a949aea68503ea83a3f8a89c7136c98480b4"`
Oct 12 23:25:41.009 INFO kablam! usermod: no changes
Oct 12 23:25:41.056 INFO kablam!     Checking crossword v0.1.0 (/source)
Oct 12 23:25:41.856 INFO kablam! warning: unnecessary parentheses around function argument
Oct 12 23:25:41.856 INFO kablam!   --> src/grid.rs:25:21
Oct 12 23:25:41.856 INFO kablam!    |
Oct 12 23:25:41.856 INFO kablam! 25 |         vec![Empty; ((bb.width() as usize) * (bb.height() as usize))]
Oct 12 23:25:41.856 INFO kablam!    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 12 23:25:41.856 INFO kablam!    |
Oct 12 23:25:41.856 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 12 23:25:41.856 INFO kablam! 
Oct 12 23:25:41.900 INFO kablam! warning: unnecessary parentheses around function argument
Oct 12 23:25:41.900 INFO kablam!   --> src/grid.rs:25:21
Oct 12 23:25:41.900 INFO kablam!    |
Oct 12 23:25:41.900 INFO kablam! 25 |         vec![Empty; ((bb.width() as usize) * (bb.height() as usize))]
Oct 12 23:25:41.900 INFO kablam!    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 12 23:25:41.900 INFO kablam!    |
Oct 12 23:25:41.900 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 12 23:25:41.900 INFO kablam! 
Oct 12 23:25:42.324 INFO kablam! warning: variable does not need to be mutable
Oct 12 23:25:42.324 INFO kablam!    --> src/filter.rs:115:17
Oct 12 23:25:42.324 INFO kablam!     |
Oct 12 23:25:42.324 INFO kablam! 115 |             let mut seen = &mut self.seen.borrow_mut();
Oct 12 23:25:42.324 INFO kablam!     |                 ----^^^^
Oct 12 23:25:42.324 INFO kablam!     |                 |
Oct 12 23:25:42.324 INFO kablam!     |                 help: remove this `mut`
Oct 12 23:25:42.324 INFO kablam!     |
Oct 12 23:25:42.324 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 23:25:42.324 INFO kablam! 
Oct 12 23:25:42.368 INFO kablam! warning: type alias is never used: `GridCellPos`
Oct 12 23:25:42.368 INFO kablam!  --> src/grid_cell.rs:4:1
Oct 12 23:25:42.368 INFO kablam!   |
Oct 12 23:25:42.368 INFO kablam! 4 | type GridCellPos = (GridCell, (i8, i8));
Oct 12 23:25:42.368 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 23:25:42.368 INFO kablam!   |
Oct 12 23:25:42.368 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 23:25:42.368 INFO kablam! 
Oct 12 23:25:42.368 INFO kablam! warning: method is never used: `is_valid`
Oct 12 23:25:42.368 INFO kablam!   --> src/crossword.rs:38:5
Oct 12 23:25:42.368 INFO kablam!    |
Oct 12 23:25:42.368 INFO kablam! 38 |     pub fn is_valid(&self) -> bool {
Oct 12 23:25:42.368 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 23:25:42.368 INFO kablam! 
Oct 12 23:25:42.368 INFO kablam! warning: method is never used: `iter`
Oct 12 23:25:42.368 INFO kablam!   --> src/generate.rs:41:5
Oct 12 23:25:42.368 INFO kablam!    |
Oct 12 23:25:42.368 INFO kablam! 41 |     pub fn iter<'b>(&'b self) -> Box<Iterator<Item=Crossword> + 'b> {
Oct 12 23:25:42.369 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 23:25:42.369 INFO kablam! 
Oct 12 23:25:42.369 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 12 23:25:42.369 INFO kablam!  --> src/main.rs:1:12
Oct 12 23:25:42.369 INFO kablam!   |
Oct 12 23:25:42.369 INFO kablam! 1 | #![feature(conservative_impl_trait)]
Oct 12 23:25:42.369 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 23:25:42.369 INFO kablam!   |
Oct 12 23:25:42.369 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 12 23:25:42.369 INFO kablam! 
Oct 12 23:25:42.531 INFO kablam! warning: variable does not need to be mutable
Oct 12 23:25:42.532 INFO kablam!    --> src/filter.rs:115:17
Oct 12 23:25:42.533 INFO kablam!     |
Oct 12 23:25:42.534 INFO kablam! 115 |             let mut seen = &mut self.seen.borrow_mut();
Oct 12 23:25:42.534 INFO kablam!     |                 ----^^^^
Oct 12 23:25:42.535 INFO kablam!     |                 |
Oct 12 23:25:42.535 INFO kablam!     |                 help: remove this `mut`
Oct 12 23:25:42.535 INFO kablam!     |
Oct 12 23:25:42.536 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 23:25:42.536 INFO kablam! 
Oct 12 23:25:42.641 INFO kablam! warning: type alias is never used: `GridCellPos`
Oct 12 23:25:42.642 INFO kablam!  --> src/grid_cell.rs:4:1
Oct 12 23:25:42.643 INFO kablam!   |
Oct 12 23:25:42.644 INFO kablam! 4 | type GridCellPos = (GridCell, (i8, i8));
Oct 12 23:25:42.644 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 23:25:42.645 INFO kablam!   |
Oct 12 23:25:42.645 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 23:25:42.645 INFO kablam! 
Oct 12 23:25:42.645 INFO kablam! warning: type alias is never used: `WordPosition`
Oct 12 23:25:42.646 INFO kablam!    --> src/generate.rs:185:5
Oct 12 23:25:42.646 INFO kablam!     |
Oct 12 23:25:42.646 INFO kablam! 185 |     type WordPosition = (&'static str, Position);
Oct 12 23:25:42.646 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 23:25:42.646 INFO kablam! 
Oct 12 23:25:42.646 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 12 23:25:42.646 INFO kablam!  --> src/main.rs:1:12
Oct 12 23:25:42.648 INFO kablam!   |
Oct 12 23:25:42.648 INFO kablam! 1 | #![feature(conservative_impl_trait)]
Oct 12 23:25:42.648 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 23:25:42.649 INFO kablam!   |
Oct 12 23:25:42.649 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 12 23:25:42.649 INFO kablam! 
Oct 12 23:25:42.748 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
Oct 12 23:25:42.748 INFO kablam! su: No module specific data is present
Oct 12 23:25:43.594 INFO running `"docker" "rm" "-f" "53a9670354884ba5e6bc9c251938a949aea68503ea83a3f8a89c7136c98480b4"`
Oct 12 23:25:43.930 INFO blam! 53a9670354884ba5e6bc9c251938a949aea68503ea83a3f8a89c7136c98480b4