[INFO] updating cached repository dougli1sqrd/rustship
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dougli1sqrd/rustship
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dougli1sqrd/rustship" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/dougli1sqrd/rustship"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/dougli1sqrd/rustship'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dougli1sqrd/rustship" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/dougli1sqrd/rustship"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/dougli1sqrd/rustship'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a05705123fb3459213ee90de466d8b4867a031d9
[INFO] sha for GitHub repo dougli1sqrd/rustship: a05705123fb3459213ee90de466d8b4867a031d9
[INFO] validating manifest of dougli1sqrd/rustship on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dougli1sqrd/rustship on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dougli1sqrd/rustship
[INFO] finished frobbing dougli1sqrd/rustship
[INFO] frobbed toml for dougli1sqrd/rustship written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/dougli1sqrd/rustship/Cargo.toml
[INFO] started frobbing dougli1sqrd/rustship
[INFO] finished frobbing dougli1sqrd/rustship
[INFO] frobbed toml for dougli1sqrd/rustship written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/dougli1sqrd/rustship/Cargo.toml
[INFO] crate dougli1sqrd/rustship already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dougli1sqrd/rustship against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-2/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/dougli1sqrd/rustship:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 28db875145b96c04a7a1fb82bf842527a86c47fa51da6b72fbb72223b8146952
[INFO] running `"docker" "start" "-a" "28db875145b96c04a7a1fb82bf842527a86c47fa51da6b72fbb72223b8146952"`
[INFO] [stderr]     Checking rustship v0.1.0 (/opt/crater/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: consider prefixing 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:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub enum ShipType {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `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 used: `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: 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: consider prefixing with an underscore: `_coordinate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `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]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "28db875145b96c04a7a1fb82bf842527a86c47fa51da6b72fbb72223b8146952"`
[INFO] running `"docker" "rm" "-f" "28db875145b96c04a7a1fb82bf842527a86c47fa51da6b72fbb72223b8146952"`
[INFO] [stdout] 28db875145b96c04a7a1fb82bf842527a86c47fa51da6b72fbb72223b8146952