[INFO] cloning repository https://github.com/overengineering/rustassonne
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/overengineering/rustassonne" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foverengineering%2Frustassonne", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foverengineering%2Frustassonne'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d525414a510773004f4c718a0aa8f2d00197a616
[INFO] checking overengineering/rustassonne against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foverengineering%2Frustassonne" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/overengineering/rustassonne on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-10/source/Cargo.toml
[INFO] crate git repo https://github.com/overengineering/rustassonne already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c34cf16c7469f7fd1535c4ff43cfadac0de56cf836c38216ec94457f43b66e1
[INFO] running `Command { std: "docker" "start" "-a" "6c34cf16c7469f7fd1535c4ff43cfadac0de56cf836c38216ec94457f43b66e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c34cf16c7469f7fd1535c4ff43cfadac0de56cf836c38216ec94457f43b66e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c34cf16c7469f7fd1535c4ff43cfadac0de56cf836c38216ec94457f43b66e1", kill_on_drop: false }`
[INFO] [stdout] 6c34cf16c7469f7fd1535c4ff43cfadac0de56cf836c38216ec94457f43b66e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdd67ae4dc1e7859868450fefc6bd261df15071768edfb5ed631c2b9d73f3c76
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cdd67ae4dc1e7859868450fefc6bd261df15071768edfb5ed631c2b9d73f3c76", kill_on_drop: false }`
[INFO] [stderr]     Checking rustassonne v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `::*`
[INFO] [stdout]  --> src/models/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ::*;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/rules.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::*`
[INFO] [stdout]  --> src/models/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ::*;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tile`
[INFO] [stdout]  --> src/rules.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn check(board: &TileMap, tile: &Tile, coordinate: &Coordinate, orientation: &Orientation) -> Result<(), Vec<PlacementError>> {
[INFO] [stdout]   |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_tile`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `orientation`
[INFO] [stdout]  --> src/rules.rs:9:69
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn check(board: &TileMap, tile: &Tile, coordinate: &Coordinate, orientation: &Orientation) -> Result<(), Vec<PlacementError>> {
[INFO] [stdout]   |                                                                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_orientation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `City`
[INFO] [stdout]   --> src/models/feature.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | /     City {
[INFO] [stdout] 9  | |         badge: bool,
[INFO] [stdout] 10 | |         connections: HashSet<Direction>,
[INFO] [stdout] 11 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Field`
[INFO] [stdout]   --> src/models/feature.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Field { connections: HashSet<Direction> },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Monastery`
[INFO] [stdout]   --> src/models/feature.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Monastery,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Road`
[INFO] [stdout]   --> src/models/feature.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Road { connections: HashSet<Direction> },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/models/tile.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new() -> Self{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Up`
[INFO] [stdout]  --> src/models/orientation.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Up,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Right`
[INFO] [stdout]  --> src/models/orientation.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Right,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Down`
[INFO] [stdout]  --> src/models/orientation.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Down,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Left`
[INFO] [stdout]  --> src/models/orientation.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Left,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]   --> src/engine.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | type Result<T> = ::std::result::Result<T, Vec<PlacementError>>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/engine.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_tiles`
[INFO] [stdout]   --> src/engine.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn get_tiles(&self) -> &TileMap {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `place_next`
[INFO] [stdout]   --> src/engine.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn place_next<T: Into<Coordinate>>(&self,
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `place`
[INFO] [stdout]   --> src/engine.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn place<T: Into<Coordinate>>(&self,
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotAdjacent`
[INFO] [stdout]  --> src/placement_error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     NotAdjacent,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TileAlreadyAtCoordinate`
[INFO] [stdout]  --> src/placement_error.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     TileAlreadyAtCoordinate,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check`
[INFO] [stdout]  --> src/rules.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn check(board: &TileMap, tile: &Tile, coordinate: &Coordinate, orientation: &Orientation) -> Result<(), Vec<PlacementError>> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_tile_already_at_coordinate`
[INFO] [stdout]   --> src/rules.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn check_tile_already_at_coordinate(board: &TileMap,
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_not_adjecent`
[INFO] [stdout]   --> src/rules.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn check_not_adjecent(board: &TileMap, coordinate: &Coordinate) -> Option<PlacementError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tile`
[INFO] [stdout]  --> src/rules.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn check(board: &TileMap, tile: &Tile, coordinate: &Coordinate, orientation: &Orientation) -> Result<(), Vec<PlacementError>> {
[INFO] [stdout]   |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_tile`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `orientation`
[INFO] [stdout]  --> src/rules.rs:9:69
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn check(board: &TileMap, tile: &Tile, coordinate: &Coordinate, orientation: &Orientation) -> Result<(), Vec<PlacementError>> {
[INFO] [stdout]   |                                                                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_orientation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `City`
[INFO] [stdout]   --> src/models/feature.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | /     City {
[INFO] [stdout] 9  | |         badge: bool,
[INFO] [stdout] 10 | |         connections: HashSet<Direction>,
[INFO] [stdout] 11 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Field`
[INFO] [stdout]   --> src/models/feature.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Field { connections: HashSet<Direction> },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Monastery`
[INFO] [stdout]   --> src/models/feature.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Monastery,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Road`
[INFO] [stdout]   --> src/models/feature.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Road { connections: HashSet<Direction> },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Right`
[INFO] [stdout]  --> src/models/orientation.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Right,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Down`
[INFO] [stdout]  --> src/models/orientation.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Down,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Left`
[INFO] [stdout]  --> src/models/orientation.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Left,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "cdd67ae4dc1e7859868450fefc6bd261df15071768edfb5ed631c2b9d73f3c76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdd67ae4dc1e7859868450fefc6bd261df15071768edfb5ed631c2b9d73f3c76", kill_on_drop: false }`
[INFO] [stdout] cdd67ae4dc1e7859868450fefc6bd261df15071768edfb5ed631c2b9d73f3c76