[INFO] cloning repository https://github.com/mtthwcmpbll/rust-battleship
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mtthwcmpbll/rust-battleship" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtthwcmpbll%2Frust-battleship", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtthwcmpbll%2Frust-battleship'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3e5941b9164abb58860785d0dc37d3140be47f0
[INFO] checking mtthwcmpbll/rust-battleship against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtthwcmpbll%2Frust-battleship" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mtthwcmpbll/rust-battleship on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mtthwcmpbll/rust-battleship
[INFO] finished tweaking git repo https://github.com/mtthwcmpbll/rust-battleship
[INFO] tweaked toml for git repo https://github.com/mtthwcmpbll/rust-battleship written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mtthwcmpbll/rust-battleship already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af4f83f6d20d08531b77e1c37c643f62fec385c437babef2336bc84d847da316
[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" "af4f83f6d20d08531b77e1c37c643f62fec385c437babef2336bc84d847da316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af4f83f6d20d08531b77e1c37c643f62fec385c437babef2336bc84d847da316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af4f83f6d20d08531b77e1c37c643f62fec385c437babef2336bc84d847da316", kill_on_drop: false }`
[INFO] [stdout] af4f83f6d20d08531b77e1c37c643f62fec385c437babef2336bc84d847da316
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1829d0d760d835ac50755f06cc630fef70faaf910b74b5634e9f377f622aec24
[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" "1829d0d760d835ac50755f06cc630fef70faaf910b74b5634e9f377f622aec24", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking game v0.1.0 (/opt/rustwide/workdir/game)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> game/src/ship.rs:77:24
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     if (self.damage[(x-self.x) as usize]) {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> game/src/ship.rs:89:24
[INFO] [stdout]    |
[INFO] [stdout] 89 |                     if (self.damage[(y-self.y) as usize]) {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max`, `min`
[INFO] [stdout]  --> game/src/board.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UndamagedShip`
[INFO] [stdout]  --> game/src/board.rs:4:48
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::board::CoordinateState::{OpenWater, UndamagedShip};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::board::ShipState::Undamaged`
[INFO] [stdout]  --> game/src/board.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::board::ShipState::Undamaged;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ShipOrientation`
[INFO] [stdout]  --> game/src/board.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ShipOrientation,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> game/src/ship.rs:77:24
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     if (self.damage[(x-self.x) as usize]) {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> game/src/ship.rs:89:24
[INFO] [stdout]    |
[INFO] [stdout] 89 |                     if (self.damage[(y-self.y) as usize]) {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max`, `min`
[INFO] [stdout]  --> game/src/board.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UndamagedShip`
[INFO] [stdout]  --> game/src/board.rs:4:48
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::board::CoordinateState::{OpenWater, UndamagedShip};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::board::ShipState::Undamaged`
[INFO] [stdout]  --> game/src/board.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::board::ShipState::Undamaged;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Horizontal`
[INFO] [stdout]   --> game/src/ship.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Horizontal,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Vertical`
[INFO] [stdout]   --> game/src/ship.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Vertical,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> game/src/ship.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(x: u8, y: u8, size: u8, orientation: ShipOrientation) -> Ship {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `damage`
[INFO] [stdout]   --> game/src/ship.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn damage(&mut self, i: usize) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `overlaps`
[INFO] [stdout]   --> game/src/ship.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn overlaps(&self, other_ship: &Ship) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `COMPLETE`
[INFO] [stdout]   --> game/src/board.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     COMPLETE,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_ship`
[INFO] [stdout]   --> game/src/board.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn with_ship(&mut self, new_ship: Ship) -> &mut Board {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Miss`
[INFO] [stdout]   --> game/src/board.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     Miss,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking battleship v0.1.0 (/opt/rustwide/workdir/battleship)
[INFO] [stdout] warning: variant is never constructed: `COMPLETE`
[INFO] [stdout]   --> game/src/board.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     COMPLETE,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Miss`
[INFO] [stdout]   --> game/src/board.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     Miss,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.14s
[INFO] running `Command { std: "docker" "inspect" "1829d0d760d835ac50755f06cc630fef70faaf910b74b5634e9f377f622aec24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1829d0d760d835ac50755f06cc630fef70faaf910b74b5634e9f377f622aec24", kill_on_drop: false }`
[INFO] [stdout] 1829d0d760d835ac50755f06cc630fef70faaf910b74b5634e9f377f622aec24