Nov 01 06:52:40.396 INFO checking conundrumer/crossword against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 06:52:40.397 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-6/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 06:52:40.913 INFO blam! 66ad96a238e6ae2bb97e429b89368ee2d3f19cfa26afaba1ca1c1066bb7da969
Nov 01 06:52:40.914 INFO running `"docker" "start" "-a" "66ad96a238e6ae2bb97e429b89368ee2d3f19cfa26afaba1ca1c1066bb7da969"`
Nov 01 06:52:42.592 INFO kablam! usermod: no changes
Nov 01 06:52:42.704 INFO kablam!     Checking crossword v0.1.0 (/source)
Nov 01 06:52:43.588 INFO kablam! warning: unnecessary parentheses around function argument
Nov 01 06:52:43.589 INFO kablam!   --> src/grid.rs:25:21
Nov 01 06:52:43.590 INFO kablam!    |
Nov 01 06:52:43.591 INFO kablam! 25 |         vec![Empty; ((bb.width() as usize) * (bb.height() as usize))]
Nov 01 06:52:43.592 INFO kablam!    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 01 06:52:43.592 INFO kablam!    |
Nov 01 06:52:43.593 INFO kablam!    = note: #[warn(unused_parens)] on by default
Nov 01 06:52:43.593 INFO kablam! 
Nov 01 06:52:43.856 INFO kablam! warning: unnecessary parentheses around function argument
Nov 01 06:52:43.856 INFO kablam!   --> src/grid.rs:25:21
Nov 01 06:52:43.856 INFO kablam!    |
Nov 01 06:52:43.856 INFO kablam! 25 |         vec![Empty; ((bb.width() as usize) * (bb.height() as usize))]
Nov 01 06:52:43.856 INFO kablam!    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 01 06:52:43.856 INFO kablam!    |
Nov 01 06:52:43.856 INFO kablam!    = note: #[warn(unused_parens)] on by default
Nov 01 06:52:43.856 INFO kablam! 
Nov 01 06:52:44.175 INFO kablam! warning: variable does not need to be mutable
Nov 01 06:52:44.176 INFO kablam!    --> src/filter.rs:115:17
Nov 01 06:52:44.177 INFO kablam!     |
Nov 01 06:52:44.177 INFO kablam! 115 |             let mut seen = &mut self.seen.borrow_mut();
Nov 01 06:52:44.178 INFO kablam!     |                 ----^^^^
Nov 01 06:52:44.178 INFO kablam!     |                 |
Nov 01 06:52:44.179 INFO kablam!     |                 help: remove this `mut`
Nov 01 06:52:44.180 INFO kablam!     |
Nov 01 06:52:44.180 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 06:52:44.180 INFO kablam! 
Nov 01 06:52:44.225 INFO kablam! warning: type alias is never used: `GridCellPos`
Nov 01 06:52:44.225 INFO kablam!  --> src/grid_cell.rs:4:1
Nov 01 06:52:44.225 INFO kablam!   |
Nov 01 06:52:44.225 INFO kablam! 4 | type GridCellPos = (GridCell, (i8, i8));
Nov 01 06:52:44.225 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:52:44.225 INFO kablam!   |
Nov 01 06:52:44.232 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 06:52:44.233 INFO kablam! 
Nov 01 06:52:44.233 INFO kablam! warning: method is never used: `is_valid`
Nov 01 06:52:44.233 INFO kablam!   --> src/crossword.rs:38:5
Nov 01 06:52:44.233 INFO kablam!    |
Nov 01 06:52:44.233 INFO kablam! 38 |     pub fn is_valid(&self) -> bool {
Nov 01 06:52:44.234 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:52:44.234 INFO kablam! 
Nov 01 06:52:44.234 INFO kablam! warning: method is never used: `iter`
Nov 01 06:52:44.234 INFO kablam!   --> src/generate.rs:41:5
Nov 01 06:52:44.234 INFO kablam!    |
Nov 01 06:52:44.234 INFO kablam! 41 |     pub fn iter<'b>(&'b self) -> Box<Iterator<Item=Crossword> + 'b> {
Nov 01 06:52:44.235 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:52:44.235 INFO kablam! 
Nov 01 06:52:44.235 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 01 06:52:44.235 INFO kablam!  --> src/main.rs:1:12
Nov 01 06:52:44.235 INFO kablam!   |
Nov 01 06:52:44.235 INFO kablam! 1 | #![feature(conservative_impl_trait)]
Nov 01 06:52:44.235 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:52:44.236 INFO kablam!   |
Nov 01 06:52:44.236 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 06:52:44.236 INFO kablam! 
Nov 01 06:52:44.676 INFO kablam! warning: variable does not need to be mutable
Nov 01 06:52:44.677 INFO kablam!    --> src/filter.rs:115:17
Nov 01 06:52:44.677 INFO kablam!     |
Nov 01 06:52:44.678 INFO kablam! 115 |             let mut seen = &mut self.seen.borrow_mut();
Nov 01 06:52:44.678 INFO kablam!     |                 ----^^^^
Nov 01 06:52:44.679 INFO kablam!     |                 |
Nov 01 06:52:44.679 INFO kablam!     |                 help: remove this `mut`
Nov 01 06:52:44.680 INFO kablam!     |
Nov 01 06:52:44.680 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 06:52:44.681 INFO kablam! 
Nov 01 06:52:44.743 INFO kablam! warning: type alias is never used: `GridCellPos`
Nov 01 06:52:44.744 INFO kablam!  --> src/grid_cell.rs:4:1
Nov 01 06:52:44.744 INFO kablam!   |
Nov 01 06:52:44.745 INFO kablam! 4 | type GridCellPos = (GridCell, (i8, i8));
Nov 01 06:52:44.745 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:52:44.746 INFO kablam!   |
Nov 01 06:52:44.746 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 06:52:44.747 INFO kablam! 
Nov 01 06:52:44.747 INFO kablam! warning: type alias is never used: `WordPosition`
Nov 01 06:52:44.748 INFO kablam!    --> src/generate.rs:185:5
Nov 01 06:52:44.748 INFO kablam!     |
Nov 01 06:52:44.749 INFO kablam! 185 |     type WordPosition = (&'static str, Position);
Nov 01 06:52:44.749 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:52:44.750 INFO kablam! 
Nov 01 06:52:44.750 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 01 06:52:44.751 INFO kablam!  --> src/main.rs:1:12
Nov 01 06:52:44.751 INFO kablam!   |
Nov 01 06:52:44.752 INFO kablam! 1 | #![feature(conservative_impl_trait)]
Nov 01 06:52:44.756 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:52:44.756 INFO kablam!   |
Nov 01 06:52:44.756 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 06:52:44.756 INFO kablam! 
Nov 01 06:52:44.828 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
Nov 01 06:52:44.831 INFO kablam! su: No module specific data is present
Nov 01 06:52:45.941 INFO running `"docker" "rm" "-f" "66ad96a238e6ae2bb97e429b89368ee2d3f19cfa26afaba1ca1c1066bb7da969"`
Nov 01 06:52:46.220 INFO blam! 66ad96a238e6ae2bb97e429b89368ee2d3f19cfa26afaba1ca1c1066bb7da969