[INFO] updating cached repository https://github.com/overengineering/rustassonne
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d525414a510773004f4c718a0aa8f2d00197a616
[INFO] checking overengineering/rustassonne against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foverengineering%2Frustassonne" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/overengineering/rustassonne on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/overengineering/rustassonne
[INFO] finished tweaking git repo https://github.com/overengineering/rustassonne
[INFO] tweaked toml for git repo https://github.com/overengineering/rustassonne written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/overengineering/rustassonne already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7c7e02e3f4ba0b4f0b74b745ddc195e969a0a2cb97b82793a91747e7f8fd7d32
[INFO] running `"docker" "start" "-a" "7c7e02e3f4ba0b4f0b74b745ddc195e969a0a2cb97b82793a91747e7f8fd7d32"`
[INFO] [stderr]     Checking rustassonne v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `::*`
[INFO] [stderr]  --> src/models/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ::*;
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::*`
[INFO] [stderr]  --> src/models/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ::*;
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/rules.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tile`
[INFO] [stderr]  --> src/rules.rs:9:31
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn check(board: &TileMap, tile: &Tile, coordinate: &Coordinate, orientation: &Orientation) -> Result<(), Vec<PlacementError>> {
[INFO] [stderr]   |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_tile`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `orientation`
[INFO] [stderr]  --> src/rules.rs:9:69
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn check(board: &TileMap, tile: &Tile, coordinate: &Coordinate, orientation: &Orientation) -> Result<(), Vec<PlacementError>> {
[INFO] [stderr]   |                                                                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_orientation`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tile`
[INFO] [stderr]  --> src/rules.rs:9:31
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn check(board: &TileMap, tile: &Tile, coordinate: &Coordinate, orientation: &Orientation) -> Result<(), Vec<PlacementError>> {
[INFO] [stderr]   |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_tile`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `orientation`
[INFO] [stderr]  --> src/rules.rs:9:69
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn check(board: &TileMap, tile: &Tile, coordinate: &Coordinate, orientation: &Orientation) -> Result<(), Vec<PlacementError>> {
[INFO] [stderr]   |                                                                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_orientation`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `City`
[INFO] [stderr]   --> src/models/feature.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 8  | /     City {
[INFO] [stderr] 9  | |         badge: bool,
[INFO] [stderr] 10 | |         connections: HashSet<Direction>,
[INFO] [stderr] 11 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Field`
[INFO] [stderr]   --> src/models/feature.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Field { connections: HashSet<Direction> },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Monastery`
[INFO] [stderr]   --> src/models/feature.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Monastery,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Road`
[INFO] [stderr]   --> src/models/feature.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Road { connections: HashSet<Direction> },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/models/tile.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new() -> Self{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Up`
[INFO] [stderr]  --> src/models/orientation.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Up,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]  --> src/models/orientation.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Right,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Down`
[INFO] [stderr]  --> src/models/orientation.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Down,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]  --> src/models/orientation.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Left,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Result`
[INFO] [stderr]   --> src/engine.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | type Result<T> = ::std::result::Result<T, Vec<PlacementError>>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/engine.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_tiles`
[INFO] [stderr]   --> src/engine.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn get_tiles(&self) -> &TileMap {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `place_next`
[INFO] [stderr]   --> src/engine.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | /     pub fn place_next<T: Into<Coordinate>>(&self,
[INFO] [stderr] 36 | |                                            coordinate: T,
[INFO] [stderr] 37 | |                                            orientation: Orientation)
[INFO] [stderr] 38 | |                                            -> Result<Engine> {
[INFO] [stderr] ...  |
[INFO] [stderr] 41 | |         self.place(next_tile, coordinate, orientation)
[INFO] [stderr] 42 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `place`
[INFO] [stderr]   --> src/engine.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | /     fn place<T: Into<Coordinate>>(&self,
[INFO] [stderr] 45 | |                                   tile: Tile,
[INFO] [stderr] 46 | |                                   coordinate: T,
[INFO] [stderr] 47 | |                                   orientation: Orientation)
[INFO] [stderr] ...  |
[INFO] [stderr] 61 | |         Ok(new_engine)
[INFO] [stderr] 62 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotAdjacent`
[INFO] [stderr]  --> src/placement_error.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     NotAdjacent,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TileAlreadyAtCoordinate`
[INFO] [stderr]  --> src/placement_error.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     TileAlreadyAtCoordinate,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check`
[INFO] [stderr]  --> src/rules.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn check(board: &TileMap, tile: &Tile, coordinate: &Coordinate, orientation: &Orientation) -> Result<(), Vec<PlacementError>> {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_tile_already_at_coordinate`
[INFO] [stderr]   --> src/rules.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn check_tile_already_at_coordinate(board: &TileMap,
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_not_adjecent`
[INFO] [stderr]   --> src/rules.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn check_not_adjecent(board: &TileMap, coordinate: &Coordinate) -> Option<PlacementError> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `City`
[INFO] [stderr]   --> src/models/feature.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 8  | /     City {
[INFO] [stderr] 9  | |         badge: bool,
[INFO] [stderr] 10 | |         connections: HashSet<Direction>,
[INFO] [stderr] 11 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Field`
[INFO] [stderr]   --> src/models/feature.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Field { connections: HashSet<Direction> },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Monastery`
[INFO] [stderr]   --> src/models/feature.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Monastery,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Road`
[INFO] [stderr]   --> src/models/feature.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Road { connections: HashSet<Direction> },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]  --> src/models/orientation.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Right,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Down`
[INFO] [stderr]  --> src/models/orientation.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Down,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]  --> src/models/orientation.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Left,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "7c7e02e3f4ba0b4f0b74b745ddc195e969a0a2cb97b82793a91747e7f8fd7d32"`
[INFO] running `"docker" "rm" "-f" "7c7e02e3f4ba0b4f0b74b745ddc195e969a0a2cb97b82793a91747e7f8fd7d32"`
[INFO] [stdout] 7c7e02e3f4ba0b4f0b74b745ddc195e969a0a2cb97b82793a91747e7f8fd7d32