Oct 31 18:32:40.907 INFO checking voelklmichael/varidor against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 18:32:40.907 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-4/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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"`
Oct 31 18:32:41.445 INFO blam! 55cc02f69f27a12abced051f4c0a8f0e505d9cfb606e109040e31768fdcb4ffa
Oct 31 18:32:41.446 INFO running `"docker" "start" "-a" "55cc02f69f27a12abced051f4c0a8f0e505d9cfb606e109040e31768fdcb4ffa"`
Oct 31 18:32:43.680 INFO kablam! usermod: no changes
Oct 31 18:32:43.760 INFO kablam!     Checking num-traits v0.2.0
Oct 31 18:32:45.082 INFO kablam!     Checking varidor v0.1.0 (/source)
Oct 31 18:32:46.612 INFO kablam! warning: type alias is never used: `SquareBoard3`
Oct 31 18:32:46.613 INFO kablam!   --> src/board_square/square_board3.rs:36:1
Oct 31 18:32:46.613 INFO kablam!    |
Oct 31 18:32:46.613 INFO kablam! 36 | / pub type SquareBoard3 =
Oct 31 18:32:46.613 INFO kablam! 37 | |     SquareBoard<usize, Usize3, [WallPlaced; 2 * 3 * (3 - 1)], [WallCrossing; (3 - 1) * (3 - 1)]>;
Oct 31 18:32:46.613 INFO kablam!    | |_________________________________________________________________________________________________^
Oct 31 18:32:46.613 INFO kablam!    |
Oct 31 18:32:46.613 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 31 18:32:46.613 INFO kablam! 
Oct 31 18:32:46.613 INFO kablam! warning: type alias is never used: `SquareBoard4`
Oct 31 18:32:46.613 INFO kablam!   --> src/board_square/square_board4.rs:36:1
Oct 31 18:32:46.613 INFO kablam!    |
Oct 31 18:32:46.613 INFO kablam! 36 | / pub type SquareBoard4 =
Oct 31 18:32:46.613 INFO kablam! 37 | |     SquareBoard<usize, Usize4, [WallPlaced; 2 * 4 * (4 - 1)], [WallCrossing; (4 - 1) * (4 - 1)]>;
Oct 31 18:32:46.613 INFO kablam!    | |_________________________________________________________________________________________________^
Oct 31 18:32:46.613 INFO kablam! 
Oct 31 18:32:46.628 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Oct 31 18:32:46.628 INFO kablam!    --> src/board_square/mod.rs:175:13
Oct 31 18:32:46.629 INFO kablam!     |
Oct 31 18:32:46.629 INFO kablam! 175 | /             new_visited_fields
Oct 31 18:32:46.629 INFO kablam! 176 | |                 .iter()
Oct 31 18:32:46.629 INFO kablam! 177 | |                 .map(|&x| visited_fields.push(x))
Oct 31 18:32:46.629 INFO kablam! 178 | |                 .collect::<Vec<_>>();
Oct 31 18:32:46.629 INFO kablam!     | |_____________________________________^
Oct 31 18:32:46.629 INFO kablam!     |
Oct 31 18:32:46.629 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 31 18:32:46.629 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 31 18:32:46.629 INFO kablam! 
Oct 31 18:32:46.873 INFO kablam! warning: type alias is never used: `Usize4`
Oct 31 18:32:46.873 INFO kablam!   --> src/board_square/type_level_integers.rs:33:1
Oct 31 18:32:46.873 INFO kablam!    |
Oct 31 18:32:46.873 INFO kablam! 33 | pub type Usize4 = UsizeNext<Usize3>;
Oct 31 18:32:46.873 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:32:46.873 INFO kablam!    |
Oct 31 18:32:46.873 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 31 18:32:46.873 INFO kablam! 
Oct 31 18:32:46.873 INFO kablam! warning: type alias is never used: `Usize5`
Oct 31 18:32:46.873 INFO kablam!   --> src/board_square/type_level_integers.rs:34:1
Oct 31 18:32:46.873 INFO kablam!    |
Oct 31 18:32:46.873 INFO kablam! 34 | pub type Usize5 = UsizeNext<Usize4>;
Oct 31 18:32:46.873 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:32:46.873 INFO kablam! 
Oct 31 18:32:46.873 INFO kablam! warning: method is never used: `wall_lookup_unsafe`
Oct 31 18:32:46.873 INFO kablam!    --> src/board_square/square_board.rs:200:5
Oct 31 18:32:46.873 INFO kablam!     |
Oct 31 18:32:46.873 INFO kablam! 200 | /     pub fn wall_lookup_unsafe(
Oct 31 18:32:46.873 INFO kablam! 201 | |         &self,
Oct 31 18:32:46.873 INFO kablam! 202 | |         lower_left_field: FieldIndexSquare<T>,
Oct 31 18:32:46.873 INFO kablam! 203 | |         is_left_or_right: bool,
Oct 31 18:32:46.873 INFO kablam! ...   |
Oct 31 18:32:46.873 INFO kablam! 209 | |         )
Oct 31 18:32:46.873 INFO kablam! 210 | |     }
Oct 31 18:32:46.873 INFO kablam!     | |_____^
Oct 31 18:32:46.873 INFO kablam! 
Oct 31 18:32:46.873 INFO kablam! warning: method is never used: `croosing_lookup_unsafe`
Oct 31 18:32:46.873 INFO kablam!    --> src/board_square/square_board.rs:211:5
Oct 31 18:32:46.873 INFO kablam!     |
Oct 31 18:32:46.873 INFO kablam! 211 |     pub fn croosing_lookup_unsafe(&self, lower_left_field: FieldIndexSquare<T>) -> WallCrossing {
Oct 31 18:32:46.873 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:32:46.873 INFO kablam! 
Oct 31 18:32:46.873 INFO kablam! warning: type alias is never used: `SquareBoard5`
Oct 31 18:32:46.873 INFO kablam!   --> src/board_square/square_board5.rs:36:1
Oct 31 18:32:46.873 INFO kablam!    |
Oct 31 18:32:46.873 INFO kablam! 36 | / pub type SquareBoard5 =
Oct 31 18:32:46.873 INFO kablam! 37 | |     SquareBoard<usize, Usize5, [WallPlaced; 2 * 5 * (5 - 1)], [WallCrossing; (5 - 1) * (5 - 1)]>;
Oct 31 18:32:46.873 INFO kablam!    | |_________________________________________________________________________________________________^
Oct 31 18:32:46.873 INFO kablam! 
Oct 31 18:32:46.873 INFO kablam! warning: type alias is never used: `SquareBoard4`
Oct 31 18:32:46.880 INFO kablam!   --> src/board_square/square_board4.rs:36:1
Oct 31 18:32:46.880 INFO kablam!    |
Oct 31 18:32:46.880 INFO kablam! 36 | / pub type SquareBoard4 =
Oct 31 18:32:46.880 INFO kablam! 37 | |     SquareBoard<usize, Usize4, [WallPlaced; 2 * 4 * (4 - 1)], [WallCrossing; (4 - 1) * (4 - 1)]>;
Oct 31 18:32:46.880 INFO kablam!    | |_________________________________________________________________________________________________^
Oct 31 18:32:46.880 INFO kablam! 
Oct 31 18:32:46.880 INFO kablam! warning: variant is never constructed: `NotConnected`
Oct 31 18:32:46.880 INFO kablam!   --> src/board_square/mod.rs:48:5
Oct 31 18:32:46.880 INFO kablam!    |
Oct 31 18:32:46.880 INFO kablam! 48 |     NotConnected,
Oct 31 18:32:46.880 INFO kablam!    |     ^^^^^^^^^^^^
Oct 31 18:32:46.880 INFO kablam! 
Oct 31 18:32:46.880 INFO kablam! warning: variant is never constructed: `FieldsNotAdjacent`
Oct 31 18:32:46.880 INFO kablam!   --> src/board_square/mod.rs:53:5
Oct 31 18:32:46.880 INFO kablam!    |
Oct 31 18:32:46.880 INFO kablam! 53 |     FieldsNotAdjacent,
Oct 31 18:32:46.880 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Oct 31 18:32:46.880 INFO kablam! 
Oct 31 18:32:46.880 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Oct 31 18:32:46.880 INFO kablam!    --> src/board_square/mod.rs:175:13
Oct 31 18:32:46.880 INFO kablam!     |
Oct 31 18:32:46.880 INFO kablam! 175 | /             new_visited_fields
Oct 31 18:32:46.880 INFO kablam! 176 | |                 .iter()
Oct 31 18:32:46.880 INFO kablam! 177 | |                 .map(|&x| visited_fields.push(x))
Oct 31 18:32:46.880 INFO kablam! 178 | |                 .collect::<Vec<_>>();
Oct 31 18:32:46.880 INFO kablam!     | |_____________________________________^
Oct 31 18:32:46.880 INFO kablam!     |
Oct 31 18:32:46.880 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 31 18:32:46.880 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 31 18:32:46.880 INFO kablam! 
Oct 31 18:32:46.952 INFO kablam! warning: type alias is never used: `Usize4`
Oct 31 18:32:46.952 INFO kablam!   --> src/board_square/type_level_integers.rs:33:1
Oct 31 18:32:46.952 INFO kablam!    |
Oct 31 18:32:46.952 INFO kablam! 33 | pub type Usize4 = UsizeNext<Usize3>;
Oct 31 18:32:46.952 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:32:46.954 INFO kablam!    |
Oct 31 18:32:46.954 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 31 18:32:46.954 INFO kablam! 
Oct 31 18:32:46.954 INFO kablam! warning: type alias is never used: `Usize5`
Oct 31 18:32:46.954 INFO kablam!   --> src/board_square/type_level_integers.rs:34:1
Oct 31 18:32:46.954 INFO kablam!    |
Oct 31 18:32:46.954 INFO kablam! 34 | pub type Usize5 = UsizeNext<Usize4>;
Oct 31 18:32:46.954 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:32:46.954 INFO kablam! 
Oct 31 18:32:46.954 INFO kablam! warning: method is never used: `wall_lookup_unsafe`
Oct 31 18:32:46.954 INFO kablam!    --> src/board_square/square_board.rs:200:5
Oct 31 18:32:46.954 INFO kablam!     |
Oct 31 18:32:46.954 INFO kablam! 200 | /     pub fn wall_lookup_unsafe(
Oct 31 18:32:46.954 INFO kablam! 201 | |         &self,
Oct 31 18:32:46.954 INFO kablam! 202 | |         lower_left_field: FieldIndexSquare<T>,
Oct 31 18:32:46.954 INFO kablam! 203 | |         is_left_or_right: bool,
Oct 31 18:32:46.954 INFO kablam! ...   |
Oct 31 18:32:46.954 INFO kablam! 209 | |         )
Oct 31 18:32:46.954 INFO kablam! 210 | |     }
Oct 31 18:32:46.954 INFO kablam!     | |_____^
Oct 31 18:32:46.954 INFO kablam! 
Oct 31 18:32:46.954 INFO kablam! warning: method is never used: `croosing_lookup_unsafe`
Oct 31 18:32:46.954 INFO kablam!    --> src/board_square/square_board.rs:211:5
Oct 31 18:32:46.954 INFO kablam!     |
Oct 31 18:32:46.954 INFO kablam! 211 |     pub fn croosing_lookup_unsafe(&self, lower_left_field: FieldIndexSquare<T>) -> WallCrossing {
Oct 31 18:32:46.954 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 18:32:46.954 INFO kablam! 
Oct 31 18:32:46.954 INFO kablam! warning: type alias is never used: `SquareBoard5`
Oct 31 18:32:46.954 INFO kablam!   --> src/board_square/square_board5.rs:36:1
Oct 31 18:32:46.954 INFO kablam!    |
Oct 31 18:32:46.954 INFO kablam! 36 | / pub type SquareBoard5 =
Oct 31 18:32:46.954 INFO kablam! 37 | |     SquareBoard<usize, Usize5, [WallPlaced; 2 * 5 * (5 - 1)], [WallCrossing; (5 - 1) * (5 - 1)]>;
Oct 31 18:32:46.954 INFO kablam!    | |_________________________________________________________________________________________________^
Oct 31 18:32:46.954 INFO kablam! 
Oct 31 18:32:46.954 INFO kablam! warning: type alias is never used: `SquareBoard4`
Oct 31 18:32:46.954 INFO kablam!   --> src/board_square/square_board4.rs:36:1
Oct 31 18:32:46.954 INFO kablam!    |
Oct 31 18:32:46.954 INFO kablam! 36 | / pub type SquareBoard4 =
Oct 31 18:32:46.955 INFO kablam! 37 | |     SquareBoard<usize, Usize4, [WallPlaced; 2 * 4 * (4 - 1)], [WallCrossing; (4 - 1) * (4 - 1)]>;
Oct 31 18:32:46.955 INFO kablam!    | |_________________________________________________________________________________________________^
Oct 31 18:32:46.955 INFO kablam! 
Oct 31 18:32:46.955 INFO kablam! warning: variant is never constructed: `NotConnected`
Oct 31 18:32:46.955 INFO kablam!   --> src/board_square/mod.rs:48:5
Oct 31 18:32:46.955 INFO kablam!    |
Oct 31 18:32:46.955 INFO kablam! 48 |     NotConnected,
Oct 31 18:32:46.955 INFO kablam!    |     ^^^^^^^^^^^^
Oct 31 18:32:46.955 INFO kablam! 
Oct 31 18:32:46.955 INFO kablam! warning: variant is never constructed: `FieldsNotAdjacent`
Oct 31 18:32:46.955 INFO kablam!   --> src/board_square/mod.rs:53:5
Oct 31 18:32:46.955 INFO kablam!    |
Oct 31 18:32:46.955 INFO kablam! 53 |     FieldsNotAdjacent,
Oct 31 18:32:46.955 INFO kablam!    |     ^^^^^^^^^^^^^^^^^
Oct 31 18:32:46.955 INFO kablam! 
Oct 31 18:32:46.961 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Oct 31 18:32:46.961 INFO kablam!    --> src/board_square/mod.rs:175:13
Oct 31 18:32:46.961 INFO kablam!     |
Oct 31 18:32:46.961 INFO kablam! 175 | /             new_visited_fields
Oct 31 18:32:46.961 INFO kablam! 176 | |                 .iter()
Oct 31 18:32:46.961 INFO kablam! 177 | |                 .map(|&x| visited_fields.push(x))
Oct 31 18:32:46.961 INFO kablam! 178 | |                 .collect::<Vec<_>>();
Oct 31 18:32:46.961 INFO kablam!     | |_____________________________________^
Oct 31 18:32:46.961 INFO kablam!     |
Oct 31 18:32:46.961 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 31 18:32:46.961 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 31 18:32:46.961 INFO kablam! 
Oct 31 18:32:47.169 INFO kablam! warning: type alias is never used: `SquareBoard3`
Oct 31 18:32:47.169 INFO kablam!   --> src/board_square/square_board3.rs:36:1
Oct 31 18:32:47.169 INFO kablam!    |
Oct 31 18:32:47.169 INFO kablam! 36 | / pub type SquareBoard3 =
Oct 31 18:32:47.169 INFO kablam! 37 | |     SquareBoard<usize, Usize3, [WallPlaced; 2 * 3 * (3 - 1)], [WallCrossing; (3 - 1) * (3 - 1)]>;
Oct 31 18:32:47.169 INFO kablam!    | |_________________________________________________________________________________________________^
Oct 31 18:32:47.169 INFO kablam!    |
Oct 31 18:32:47.169 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 31 18:32:47.169 INFO kablam! 
Oct 31 18:32:47.169 INFO kablam! warning: type alias is never used: `SquareBoard4`
Oct 31 18:32:47.169 INFO kablam!   --> src/board_square/square_board4.rs:36:1
Oct 31 18:32:47.169 INFO kablam!    |
Oct 31 18:32:47.169 INFO kablam! 36 | / pub type SquareBoard4 =
Oct 31 18:32:47.169 INFO kablam! 37 | |     SquareBoard<usize, Usize4, [WallPlaced; 2 * 4 * (4 - 1)], [WallCrossing; (4 - 1) * (4 - 1)]>;
Oct 31 18:32:47.169 INFO kablam!    | |_________________________________________________________________________________________________^
Oct 31 18:32:47.169 INFO kablam! 
Oct 31 18:32:47.172 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Oct 31 18:32:47.173 INFO kablam!    --> src/board_square/mod.rs:175:13
Oct 31 18:32:47.173 INFO kablam!     |
Oct 31 18:32:47.173 INFO kablam! 175 | /             new_visited_fields
Oct 31 18:32:47.173 INFO kablam! 176 | |                 .iter()
Oct 31 18:32:47.173 INFO kablam! 177 | |                 .map(|&x| visited_fields.push(x))
Oct 31 18:32:47.173 INFO kablam! 178 | |                 .collect::<Vec<_>>();
Oct 31 18:32:47.173 INFO kablam!     | |_____________________________________^
Oct 31 18:32:47.173 INFO kablam!     |
Oct 31 18:32:47.173 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 31 18:32:47.173 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 31 18:32:47.173 INFO kablam! 
Oct 31 18:32:47.257 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.56s
Oct 31 18:32:47.260 INFO kablam! su: No module specific data is present
Oct 31 18:32:48.490 INFO running `"docker" "rm" "-f" "55cc02f69f27a12abced051f4c0a8f0e505d9cfb606e109040e31768fdcb4ffa"`
Oct 31 18:32:48.956 INFO blam! 55cc02f69f27a12abced051f4c0a8f0e505d9cfb606e109040e31768fdcb4ffa