[INFO] updating cached repository https://github.com/dougli1sqrd/rustship
[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] a05705123fb3459213ee90de466d8b4867a031d9
[INFO] checking dougli1sqrd/rustship against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdougli1sqrd%2Frustship" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dougli1sqrd/rustship 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/dougli1sqrd/rustship
[INFO] finished tweaking git repo https://github.com/dougli1sqrd/rustship
[INFO] tweaked toml for git repo https://github.com/dougli1sqrd/rustship written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/dougli1sqrd/rustship 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 88c0e02e2388a6b903758d41bf1b4f3be2be406d70febe759fbb25ceb92ef019
[INFO] running `"docker" "start" "-a" "88c0e02e2388a6b903758d41bf1b4f3be2be406d70febe759fbb25ceb92ef019"`
[INFO] [stderr]     Checking rustship v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `coordinate`
[INFO] [stderr]   --> src/board/board.rs:95:32
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn resolve_hit(& mut self, coordinate: Coordinate) {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coordinate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Horizontal`
[INFO] [stderr]  --> src/board/orientation.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Horizontal,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Vertical`
[INFO] [stderr]   --> src/board/orientation.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Vertical
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate`
[INFO] [stderr]   --> src/board/orientation.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn rotate(self) -> Orientation {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `place`
[INFO] [stderr]   --> src/board/board.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn place(& mut self, ship_type: ShipType, position: Coordinate, direction: Orientation) -> Result<(), Vec<Coordinate>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `place_ship`
[INFO] [stderr]   --> src/board/board.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn place_ship(& mut self, ship: Ship<'a>) -> Result<(), Vec<Coordinate>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `receive_shot`
[INFO] [stderr]   --> src/board/board.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn receive_shot(& mut self, coordinate: Coordinate) -> HitStatus {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update_grid`
[INFO] [stderr]   --> src/board/board.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn update_grid(& mut self, coordinates: &[Coordinate], ship: Ship<'a>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ShipType`
[INFO] [stderr]  --> src/pieces/ship.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub enum ShipType {
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `symbol`
[INFO] [stderr]   --> src/pieces/ship.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     symbol: char,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> src/pieces/ship.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     name: & 'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/pieces/ship.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn new(ship_type: ShipType) -> ShipTypeData<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/pieces/ship.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn new(ship_type: ShipType) -> Ship<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `symbol`
[INFO] [stderr]   --> src/pieces/ship.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn symbol(&self) -> char {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate`
[INFO] [stderr]   --> src/pieces/ship.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn rotate(& mut self) -> & Ship {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `change_pos`
[INFO] [stderr]   --> src/pieces/ship.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn change_pos(& mut self, position: Coordinate) -> & Ship {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_position`
[INFO] [stderr]   --> src/pieces/ship.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn get_position(&self) -> Coordinate {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `coordinate`
[INFO] [stderr]   --> src/board/board.rs:95:32
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn resolve_hit(& mut self, coordinate: Coordinate) {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coordinate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> src/pieces/ship.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     name: & 'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "88c0e02e2388a6b903758d41bf1b4f3be2be406d70febe759fbb25ceb92ef019"`
[INFO] running `"docker" "rm" "-f" "88c0e02e2388a6b903758d41bf1b4f3be2be406d70febe759fbb25ceb92ef019"`
[INFO] [stdout] 88c0e02e2388a6b903758d41bf1b4f3be2be406d70febe759fbb25ceb92ef019