Nov 17 02:01:03.086 INFO testing gluyas/niwa-rs against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 02:01:03.086 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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 17 02:01:03.541 INFO [stdout] f7a7965d9facf38dd0bb563b0c4b0611e17b1e6bc6c91a960b9d8135e482d72a
Nov 17 02:01:03.544 INFO running `"docker" "start" "-a" "f7a7965d9facf38dd0bb563b0c4b0611e17b1e6bc6c91a960b9d8135e482d72a"`
Nov 17 02:01:05.146 INFO [stderr] usermod: no changes
Nov 17 02:01:05.199 INFO [stderr]    Compiling niwa-rs v0.1.0 (/source)
Nov 17 02:01:05.504 INFO [stderr] warning: unnecessary parentheses around assigned value
Nov 17 02:01:05.504 INFO [stderr]   --> src/util.rs:70:18
Nov 17 02:01:05.505 INFO [stderr]    |
Nov 17 02:01:05.505 INFO [stderr] 70 |         *self += (-rhs.into());
Nov 17 02:01:05.505 INFO [stderr]    |                  ^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 02:01:05.506 INFO [stderr]    |
Nov 17 02:01:05.511 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 17 02:01:05.511 INFO [stderr] 
Nov 17 02:01:05.711 INFO [stderr] warning: method is never used: `nudge`
Nov 17 02:01:05.711 INFO [stderr]   --> src/util.rs:38:5
Nov 17 02:01:05.711 INFO [stderr]    |
Nov 17 02:01:05.711 INFO [stderr] 38 |     pub fn nudge(self, dir: Direction) {
Nov 17 02:01:05.711 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:01:05.711 INFO [stderr]    |
Nov 17 02:01:05.711 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 02:01:05.711 INFO [stderr] 
Nov 17 02:01:05.711 INFO [stderr] warning: method is never used: `snap_to_edge`
Nov 17 02:01:05.711 INFO [stderr]    --> src/util.rs:136:5
Nov 17 02:01:05.711 INFO [stderr]     |
Nov 17 02:01:05.711 INFO [stderr] 136 |     pub fn snap_to_edge <P: Into<GridIndex>> (mut self, dir: Direction, bounds: P) -> GridIndex {
Nov 17 02:01:05.711 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:01:05.711 INFO [stderr] 
Nov 17 02:01:05.711 INFO [stderr] warning: method is never used: `iter_rect`
Nov 17 02:01:05.711 INFO [stderr]    --> src/util.rs:151:5
Nov 17 02:01:05.711 INFO [stderr]     |
Nov 17 02:01:05.711 INFO [stderr] 151 |     pub fn iter_rect(self, dir_primary: Direction, dir_secondary: Direction) -> RectIterator {
Nov 17 02:01:05.711 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:01:05.711 INFO [stderr] 
Nov 17 02:01:05.711 INFO [stderr] warning: method is never used: `is_within`
Nov 17 02:01:05.711 INFO [stderr]    --> src/util.rs:161:5
Nov 17 02:01:05.711 INFO [stderr]     |
Nov 17 02:01:05.711 INFO [stderr] 161 |     pub fn is_within <P: Into<GridIndex>> (self, bound: P) -> bool {
Nov 17 02:01:05.711 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:01:05.711 INFO [stderr] 
Nov 17 02:01:05.711 INFO [stderr] warning: method is never used: `component_add`
Nov 17 02:01:05.711 INFO [stderr]    --> src/util.rs:165:5
Nov 17 02:01:05.711 INFO [stderr]     |
Nov 17 02:01:05.711 INFO [stderr] 165 |     pub fn component_add <P: Into<GridIndex>> (self, other: P) -> GridIndex {
Nov 17 02:01:05.711 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:01:05.711 INFO [stderr] 
Nov 17 02:01:05.711 INFO [stderr] warning: method is never used: `component_diff`
Nov 17 02:01:05.711 INFO [stderr]    --> src/util.rs:170:5
Nov 17 02:01:05.711 INFO [stderr]     |
Nov 17 02:01:05.711 INFO [stderr] 170 |     pub fn component_diff <P: Into<GridIndex>> (self, other: P) -> GridIndex {
Nov 17 02:01:05.711 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:01:05.711 INFO [stderr] 
Nov 17 02:01:05.711 INFO [stderr] warning: struct is never constructed: `RectIterator`
Nov 17 02:01:05.711 INFO [stderr]    --> src/util.rs:234:1
Nov 17 02:01:05.711 INFO [stderr]     |
Nov 17 02:01:05.711 INFO [stderr] 234 | pub struct RectIterator {
Nov 17 02:01:05.711 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:01:05.711 INFO [stderr] 
Nov 17 02:01:05.711 INFO [stderr] warning: method is never used: `new`
Nov 17 02:01:05.711 INFO [stderr]    --> src/util.rs:261:5
Nov 17 02:01:05.711 INFO [stderr]     |
Nov 17 02:01:05.711 INFO [stderr] 261 |     pub fn new <P: Into<GridIndex>> (range: P, dir_primary: Direction, dir_secondary: Direction) -> Self {
Nov 17 02:01:05.711 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:01:05.711 INFO [stderr] 
Nov 17 02:01:05.711 INFO [stderr] warning: method is never used: `of`
Nov 17 02:01:05.711 INFO [stderr]    --> src/util.rs:323:5
Nov 17 02:01:05.711 INFO [stderr]     |
Nov 17 02:01:05.711 INFO [stderr] 323 |     pub fn of <P: Into<GridIndex>> (size: P, val: T) -> Self {
Nov 17 02:01:05.711 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:01:05.711 INFO [stderr] 
Nov 17 02:01:05.711 INFO [stderr] warning: variant is never constructed: `Dirt`
Nov 17 02:01:05.711 INFO [stderr]   --> src/world.rs:22:5
Nov 17 02:01:05.711 INFO [stderr]    |
Nov 17 02:01:05.711 INFO [stderr] 22 |     Dirt,
Nov 17 02:01:05.711 INFO [stderr]    |     ^^^^
Nov 17 02:01:05.711 INFO [stderr] 
Nov 17 02:01:05.711 INFO [stderr] warning: variant is never constructed: `Sand`
Nov 17 02:01:05.711 INFO [stderr]   --> src/world.rs:23:5
Nov 17 02:01:05.711 INFO [stderr]    |
Nov 17 02:01:05.711 INFO [stderr] 23 |     Sand,
Nov 17 02:01:05.711 INFO [stderr]    |     ^^^^
Nov 17 02:01:05.711 INFO [stderr] 
Nov 17 02:01:05.712 INFO [stderr] warning: variant is never constructed: `Stone`
Nov 17 02:01:05.712 INFO [stderr]   --> src/world.rs:24:5
Nov 17 02:01:05.712 INFO [stderr]    |
Nov 17 02:01:05.712 INFO [stderr] 24 |     Stone,
Nov 17 02:01:05.712 INFO [stderr]    |     ^^^^^
Nov 17 02:01:05.712 INFO [stderr] 
Nov 17 02:01:05.712 INFO [stderr] warning: variant is never constructed: `Water`
Nov 17 02:01:05.712 INFO [stderr]   --> src/world.rs:25:5
Nov 17 02:01:05.712 INFO [stderr]    |
Nov 17 02:01:05.712 INFO [stderr] 25 |     Water,
Nov 17 02:01:05.712 INFO [stderr]    |     ^^^^^
Nov 17 02:01:05.712 INFO [stderr] 
Nov 17 02:01:05.712 INFO [stderr] warning: method is never used: `is_blocked`
Nov 17 02:01:05.712 INFO [stderr]   --> src/puzzle.rs:12:5
Nov 17 02:01:05.712 INFO [stderr]    |
Nov 17 02:01:05.712 INFO [stderr] 12 |     pub fn is_blocked <P: Into<GridIndex>> (&self, pos: P, dir: Direction) -> Option<PuzzleId> {
Nov 17 02:01:05.712 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:01:05.712 INFO [stderr] 
Nov 17 02:01:05.712 INFO [stderr] warning: variant is never constructed: `Complete`
Nov 17 02:01:05.712 INFO [stderr]   --> src/puzzle.rs:77:5
Nov 17 02:01:05.712 INFO [stderr]    |
Nov 17 02:01:05.712 INFO [stderr] 77 |     Complete,
Nov 17 02:01:05.712 INFO [stderr]    |     ^^^^^^^^
Nov 17 02:01:05.712 INFO [stderr] 
Nov 17 02:01:05.712 INFO [stderr] warning: method is never used: `set_walls`
Nov 17 02:01:05.712 INFO [stderr]    --> src/puzzle.rs:126:5
Nov 17 02:01:05.712 INFO [stderr]     |
Nov 17 02:01:05.712 INFO [stderr] 126 |     pub fn set_walls(&mut self, dirs: &[Direction]) {
Nov 17 02:01:05.712 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:01:05.712 INFO [stderr] 
Nov 17 02:01:05.712 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 17 02:01:05.712 INFO [stderr]   --> src/util.rs:39:9
Nov 17 02:01:05.712 INFO [stderr]    |
Nov 17 02:01:05.712 INFO [stderr] 39 |         self + dir;
Nov 17 02:01:05.712 INFO [stderr]    |         ^^^^^^^^^^
Nov 17 02:01:05.712 INFO [stderr]    |
Nov 17 02:01:05.712 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 02:01:05.712 INFO [stderr] 
Nov 17 02:01:06.424 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
Nov 17 02:01:06.426 INFO [stderr] su: No module specific data is present
Nov 17 02:01:07.059 INFO running `"docker" "inspect" "f7a7965d9facf38dd0bb563b0c4b0611e17b1e6bc6c91a960b9d8135e482d72a"`
Nov 17 02:01:07.361 INFO running `"docker" "rm" "-f" "f7a7965d9facf38dd0bb563b0c4b0611e17b1e6bc6c91a960b9d8135e482d72a"`
Nov 17 02:01:07.639 INFO [stdout] f7a7965d9facf38dd0bb563b0c4b0611e17b1e6bc6c91a960b9d8135e482d72a
Nov 17 02:01:07.639 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-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 17 02:01:08.075 INFO [stdout] 39f90ac5b11f257e251f701af40790423fe7c4fbb41a3bf2f229c51c2a746a6e
Nov 17 02:01:08.085 INFO running `"docker" "start" "-a" "39f90ac5b11f257e251f701af40790423fe7c4fbb41a3bf2f229c51c2a746a6e"`
Nov 17 02:01:08.957 INFO [stderr] usermod: no changes
Nov 17 02:01:09.011 INFO [stderr]    Compiling niwa-rs v0.1.0 (/source)
Nov 17 02:01:09.375 INFO [stderr] warning: unnecessary parentheses around assigned value
Nov 17 02:01:09.376 INFO [stderr]   --> src/util.rs:70:18
Nov 17 02:01:09.376 INFO [stderr]    |
Nov 17 02:01:09.376 INFO [stderr] 70 |         *self += (-rhs.into());
Nov 17 02:01:09.377 INFO [stderr]    |                  ^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 02:01:09.377 INFO [stderr]    |
Nov 17 02:01:09.377 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 17 02:01:09.378 INFO [stderr] 
Nov 17 02:01:09.598 INFO [stderr] warning: method is never used: `nudge`
Nov 17 02:01:09.598 INFO [stderr]   --> src/util.rs:38:5
Nov 17 02:01:09.598 INFO [stderr]    |
Nov 17 02:01:09.598 INFO [stderr] 38 |     pub fn nudge(self, dir: Direction) {
Nov 17 02:01:09.598 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:01:09.598 INFO [stderr]    |
Nov 17 02:01:09.598 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 02:01:09.598 INFO [stderr] 
Nov 17 02:01:09.598 INFO [stderr] warning: method is never used: `snap_to_edge`
Nov 17 02:01:09.598 INFO [stderr]    --> src/util.rs:136:5
Nov 17 02:01:09.598 INFO [stderr]     |
Nov 17 02:01:09.598 INFO [stderr] 136 |     pub fn snap_to_edge <P: Into<GridIndex>> (mut self, dir: Direction, bounds: P) -> GridIndex {
Nov 17 02:01:09.598 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:01:09.598 INFO [stderr] 
Nov 17 02:01:09.598 INFO [stderr] warning: method is never used: `iter_rect`
Nov 17 02:01:09.598 INFO [stderr]    --> src/util.rs:151:5
Nov 17 02:01:09.598 INFO [stderr]     |
Nov 17 02:01:09.598 INFO [stderr] 151 |     pub fn iter_rect(self, dir_primary: Direction, dir_secondary: Direction) -> RectIterator {
Nov 17 02:01:09.598 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:01:09.598 INFO [stderr] 
Nov 17 02:01:09.598 INFO [stderr] warning: method is never used: `is_within`
Nov 17 02:01:09.598 INFO [stderr]    --> src/util.rs:161:5
Nov 17 02:01:09.598 INFO [stderr]     |
Nov 17 02:01:09.598 INFO [stderr] 161 |     pub fn is_within <P: Into<GridIndex>> (self, bound: P) -> bool {
Nov 17 02:01:09.598 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:01:09.598 INFO [stderr] 
Nov 17 02:01:09.598 INFO [stderr] warning: method is never used: `component_add`
Nov 17 02:01:09.598 INFO [stderr]    --> src/util.rs:165:5
Nov 17 02:01:09.598 INFO [stderr]     |
Nov 17 02:01:09.598 INFO [stderr] 165 |     pub fn component_add <P: Into<GridIndex>> (self, other: P) -> GridIndex {
Nov 17 02:01:09.598 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:01:09.598 INFO [stderr] 
Nov 17 02:01:09.598 INFO [stderr] warning: method is never used: `component_diff`
Nov 17 02:01:09.599 INFO [stderr]    --> src/util.rs:170:5
Nov 17 02:01:09.599 INFO [stderr]     |
Nov 17 02:01:09.599 INFO [stderr] 170 |     pub fn component_diff <P: Into<GridIndex>> (self, other: P) -> GridIndex {
Nov 17 02:01:09.599 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:01:09.599 INFO [stderr] 
Nov 17 02:01:09.599 INFO [stderr] warning: struct is never constructed: `RectIterator`
Nov 17 02:01:09.599 INFO [stderr]    --> src/util.rs:234:1
Nov 17 02:01:09.599 INFO [stderr]     |
Nov 17 02:01:09.599 INFO [stderr] 234 | pub struct RectIterator {
Nov 17 02:01:09.599 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:01:09.599 INFO [stderr] 
Nov 17 02:01:09.599 INFO [stderr] warning: method is never used: `new`
Nov 17 02:01:09.599 INFO [stderr]    --> src/util.rs:261:5
Nov 17 02:01:09.599 INFO [stderr]     |
Nov 17 02:01:09.599 INFO [stderr] 261 |     pub fn new <P: Into<GridIndex>> (range: P, dir_primary: Direction, dir_secondary: Direction) -> Self {
Nov 17 02:01:09.599 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:01:09.599 INFO [stderr] 
Nov 17 02:01:09.599 INFO [stderr] warning: method is never used: `of`
Nov 17 02:01:09.599 INFO [stderr]    --> src/util.rs:323:5
Nov 17 02:01:09.599 INFO [stderr]     |
Nov 17 02:01:09.599 INFO [stderr] 323 |     pub fn of <P: Into<GridIndex>> (size: P, val: T) -> Self {
Nov 17 02:01:09.599 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:01:09.599 INFO [stderr] 
Nov 17 02:01:09.599 INFO [stderr] warning: variant is never constructed: `Dirt`
Nov 17 02:01:09.599 INFO [stderr]   --> src/world.rs:22:5
Nov 17 02:01:09.599 INFO [stderr]    |
Nov 17 02:01:09.599 INFO [stderr] 22 |     Dirt,
Nov 17 02:01:09.599 INFO [stderr]    |     ^^^^
Nov 17 02:01:09.599 INFO [stderr] 
Nov 17 02:01:09.599 INFO [stderr] warning: variant is never constructed: `Sand`
Nov 17 02:01:09.599 INFO [stderr]   --> src/world.rs:23:5
Nov 17 02:01:09.599 INFO [stderr]    |
Nov 17 02:01:09.599 INFO [stderr] 23 |     Sand,
Nov 17 02:01:09.599 INFO [stderr]    |     ^^^^
Nov 17 02:01:09.599 INFO [stderr] 
Nov 17 02:01:09.599 INFO [stderr] warning: variant is never constructed: `Stone`
Nov 17 02:01:09.599 INFO [stderr]   --> src/world.rs:24:5
Nov 17 02:01:09.599 INFO [stderr]    |
Nov 17 02:01:09.599 INFO [stderr] 24 |     Stone,
Nov 17 02:01:09.600 INFO [stderr]    |     ^^^^^
Nov 17 02:01:09.600 INFO [stderr] 
Nov 17 02:01:09.600 INFO [stderr] warning: variant is never constructed: `Water`
Nov 17 02:01:09.600 INFO [stderr]   --> src/world.rs:25:5
Nov 17 02:01:09.600 INFO [stderr]    |
Nov 17 02:01:09.600 INFO [stderr] 25 |     Water,
Nov 17 02:01:09.600 INFO [stderr]    |     ^^^^^
Nov 17 02:01:09.600 INFO [stderr] 
Nov 17 02:01:09.600 INFO [stderr] warning: method is never used: `is_blocked`
Nov 17 02:01:09.600 INFO [stderr]   --> src/puzzle.rs:12:5
Nov 17 02:01:09.600 INFO [stderr]    |
Nov 17 02:01:09.600 INFO [stderr] 12 |     pub fn is_blocked <P: Into<GridIndex>> (&self, pos: P, dir: Direction) -> Option<PuzzleId> {
Nov 17 02:01:09.600 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:01:09.600 INFO [stderr] 
Nov 17 02:01:09.600 INFO [stderr] warning: variant is never constructed: `Complete`
Nov 17 02:01:09.600 INFO [stderr]   --> src/puzzle.rs:77:5
Nov 17 02:01:09.600 INFO [stderr]    |
Nov 17 02:01:09.600 INFO [stderr] 77 |     Complete,
Nov 17 02:01:09.600 INFO [stderr]    |     ^^^^^^^^
Nov 17 02:01:09.600 INFO [stderr] 
Nov 17 02:01:09.600 INFO [stderr] warning: method is never used: `set_walls`
Nov 17 02:01:09.600 INFO [stderr]    --> src/puzzle.rs:126:5
Nov 17 02:01:09.600 INFO [stderr]     |
Nov 17 02:01:09.600 INFO [stderr] 126 |     pub fn set_walls(&mut self, dirs: &[Direction]) {
Nov 17 02:01:09.600 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 02:01:09.600 INFO [stderr] 
Nov 17 02:01:09.600 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 17 02:01:09.601 INFO [stderr]   --> src/util.rs:39:9
Nov 17 02:01:09.601 INFO [stderr]    |
Nov 17 02:01:09.601 INFO [stderr] 39 |         self + dir;
Nov 17 02:01:09.601 INFO [stderr]    |         ^^^^^^^^^^
Nov 17 02:01:09.601 INFO [stderr]    |
Nov 17 02:01:09.601 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 02:01:09.601 INFO [stderr] 
Nov 17 02:01:09.978 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Nov 17 02:01:09.979 INFO [stderr] su: No module specific data is present
Nov 17 02:01:10.688 INFO running `"docker" "inspect" "39f90ac5b11f257e251f701af40790423fe7c4fbb41a3bf2f229c51c2a746a6e"`
Nov 17 02:01:11.017 INFO running `"docker" "rm" "-f" "39f90ac5b11f257e251f701af40790423fe7c4fbb41a3bf2f229c51c2a746a6e"`
Nov 17 02:01:11.287 INFO [stdout] 39f90ac5b11f257e251f701af40790423fe7c4fbb41a3bf2f229c51c2a746a6e
Nov 17 02:01:11.289 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-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 17 02:01:11.781 INFO [stdout] 28e3a3bd0e9e1b712421c54dc8a4e29faa3ddf0612a5b0749211a75ba5561fc4
Nov 17 02:01:11.782 INFO running `"docker" "start" "-a" "28e3a3bd0e9e1b712421c54dc8a4e29faa3ddf0612a5b0749211a75ba5561fc4"`
Nov 17 02:01:13.035 INFO [stderr] usermod: no changes
Nov 17 02:01:13.087 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Nov 17 02:01:13.091 INFO [stderr]      Running /target/debug/deps/niwa_rs-6ed2c45cedacf9e3
Nov 17 02:01:13.099 INFO [stdout] 
Nov 17 02:01:13.099 INFO [stdout] running 0 tests
Nov 17 02:01:13.099 INFO [stdout] 
Nov 17 02:01:13.099 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 02:01:13.099 INFO [stdout] 
Nov 17 02:01:13.106 INFO [stderr] su: No module specific data is present
Nov 17 02:01:13.743 INFO running `"docker" "inspect" "28e3a3bd0e9e1b712421c54dc8a4e29faa3ddf0612a5b0749211a75ba5561fc4"`
Nov 17 02:01:14.055 INFO running `"docker" "rm" "-f" "28e3a3bd0e9e1b712421c54dc8a4e29faa3ddf0612a5b0749211a75ba5561fc4"`
Nov 17 02:01:14.473 INFO [stdout] 28e3a3bd0e9e1b712421c54dc8a4e29faa3ddf0612a5b0749211a75ba5561fc4