Nov 02 16:24:54.506 INFO checking conundrumer/crossword against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 16:24:54.506 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-5/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 16:24:54.966 INFO blam! 629589d264af5179bc664aca50d74483ad60543fe616d8af64de91e4feedda2e
Nov 02 16:24:54.968 INFO running `"docker" "start" "-a" "629589d264af5179bc664aca50d74483ad60543fe616d8af64de91e4feedda2e"`
Nov 02 16:24:56.312 INFO kablam! usermod: no changes
Nov 02 16:24:56.416 INFO kablam!     Checking crossword v0.1.0 (/source)
Nov 02 16:24:56.901 INFO kablam! warning: unnecessary parentheses around function argument
Nov 02 16:24:56.901 INFO kablam!   --> src/grid.rs:25:21
Nov 02 16:24:56.901 INFO kablam!    |
Nov 02 16:24:56.901 INFO kablam! 25 |         vec![Empty; ((bb.width() as usize) * (bb.height() as usize))]
Nov 02 16:24:56.901 INFO kablam!    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 02 16:24:56.901 INFO kablam!    |
Nov 02 16:24:56.901 INFO kablam!    = note: #[warn(unused_parens)] on by default
Nov 02 16:24:56.901 INFO kablam! 
Nov 02 16:24:57.204 INFO kablam! warning: unnecessary parentheses around function argument
Nov 02 16:24:57.205 INFO kablam!   --> src/grid.rs:25:21
Nov 02 16:24:57.205 INFO kablam!    |
Nov 02 16:24:57.205 INFO kablam! 25 |         vec![Empty; ((bb.width() as usize) * (bb.height() as usize))]
Nov 02 16:24:57.205 INFO kablam!    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 02 16:24:57.206 INFO kablam!    |
Nov 02 16:24:57.206 INFO kablam!    = note: #[warn(unused_parens)] on by default
Nov 02 16:24:57.206 INFO kablam! 
Nov 02 16:24:57.452 INFO kablam! warning: variable does not need to be mutable
Nov 02 16:24:57.452 INFO kablam!    --> src/filter.rs:115:17
Nov 02 16:24:57.452 INFO kablam!     |
Nov 02 16:24:57.452 INFO kablam! 115 |             let mut seen = &mut self.seen.borrow_mut();
Nov 02 16:24:57.452 INFO kablam!     |                 ----^^^^
Nov 02 16:24:57.452 INFO kablam!     |                 |
Nov 02 16:24:57.452 INFO kablam!     |                 help: remove this `mut`
Nov 02 16:24:57.452 INFO kablam!     |
Nov 02 16:24:57.452 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 02 16:24:57.452 INFO kablam! 
Nov 02 16:24:57.504 INFO kablam! warning: type alias is never used: `GridCellPos`
Nov 02 16:24:57.504 INFO kablam!  --> src/grid_cell.rs:4:1
Nov 02 16:24:57.504 INFO kablam!   |
Nov 02 16:24:57.504 INFO kablam! 4 | type GridCellPos = (GridCell, (i8, i8));
Nov 02 16:24:57.504 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 16:24:57.504 INFO kablam!   |
Nov 02 16:24:57.504 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 16:24:57.504 INFO kablam! 
Nov 02 16:24:57.504 INFO kablam! warning: method is never used: `is_valid`
Nov 02 16:24:57.504 INFO kablam!   --> src/crossword.rs:38:5
Nov 02 16:24:57.504 INFO kablam!    |
Nov 02 16:24:57.504 INFO kablam! 38 |     pub fn is_valid(&self) -> bool {
Nov 02 16:24:57.504 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 16:24:57.504 INFO kablam! 
Nov 02 16:24:57.504 INFO kablam! warning: method is never used: `iter`
Nov 02 16:24:57.504 INFO kablam!   --> src/generate.rs:41:5
Nov 02 16:24:57.504 INFO kablam!    |
Nov 02 16:24:57.504 INFO kablam! 41 |     pub fn iter<'b>(&'b self) -> Box<Iterator<Item=Crossword> + 'b> {
Nov 02 16:24:57.504 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 16:24:57.504 INFO kablam! 
Nov 02 16:24:57.512 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 02 16:24:57.512 INFO kablam!  --> src/main.rs:1:12
Nov 02 16:24:57.512 INFO kablam!   |
Nov 02 16:24:57.512 INFO kablam! 1 | #![feature(conservative_impl_trait)]
Nov 02 16:24:57.512 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 16:24:57.512 INFO kablam!   |
Nov 02 16:24:57.512 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 02 16:24:57.512 INFO kablam! 
Nov 02 16:24:57.756 INFO kablam! warning: variable does not need to be mutable
Nov 02 16:24:57.757 INFO kablam!    --> src/filter.rs:115:17
Nov 02 16:24:57.757 INFO kablam!     |
Nov 02 16:24:57.757 INFO kablam! 115 |             let mut seen = &mut self.seen.borrow_mut();
Nov 02 16:24:57.758 INFO kablam!     |                 ----^^^^
Nov 02 16:24:57.758 INFO kablam!     |                 |
Nov 02 16:24:57.758 INFO kablam!     |                 help: remove this `mut`
Nov 02 16:24:57.758 INFO kablam!     |
Nov 02 16:24:57.759 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 02 16:24:57.759 INFO kablam! 
Nov 02 16:24:57.820 INFO kablam! warning: type alias is never used: `GridCellPos`
Nov 02 16:24:57.821 INFO kablam!  --> src/grid_cell.rs:4:1
Nov 02 16:24:57.821 INFO kablam!   |
Nov 02 16:24:57.821 INFO kablam! 4 | type GridCellPos = (GridCell, (i8, i8));
Nov 02 16:24:57.822 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 16:24:57.822 INFO kablam!   |
Nov 02 16:24:57.822 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 16:24:57.823 INFO kablam! 
Nov 02 16:24:57.823 INFO kablam! warning: type alias is never used: `WordPosition`
Nov 02 16:24:57.823 INFO kablam!    --> src/generate.rs:185:5
Nov 02 16:24:57.824 INFO kablam!     |
Nov 02 16:24:57.824 INFO kablam! 185 |     type WordPosition = (&'static str, Position);
Nov 02 16:24:57.824 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 16:24:57.824 INFO kablam! 
Nov 02 16:24:57.825 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 02 16:24:57.825 INFO kablam!  --> src/main.rs:1:12
Nov 02 16:24:57.825 INFO kablam!   |
Nov 02 16:24:57.826 INFO kablam! 1 | #![feature(conservative_impl_trait)]
Nov 02 16:24:57.832 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 16:24:57.836 INFO kablam!   |
Nov 02 16:24:57.836 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 02 16:24:57.837 INFO kablam! 
Nov 02 16:24:57.907 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
Nov 02 16:24:57.910 INFO kablam! su: No module specific data is present
Nov 02 16:24:59.168 INFO running `"docker" "rm" "-f" "629589d264af5179bc664aca50d74483ad60543fe616d8af64de91e4feedda2e"`
Nov 02 16:24:59.508 INFO blam! 629589d264af5179bc664aca50d74483ad60543fe616d8af64de91e4feedda2e