[INFO] cloning repository https://github.com/vince59/naval_war
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vince59/naval_war" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvince59%2Fnaval_war", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvince59%2Fnaval_war'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8e2ee3e8e99a652cf52dcca641941df802b0911
[INFO] testing vince59/naval_war against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvince59%2Fnaval_war" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vince59/naval_war
[INFO] finished tweaking git repo https://github.com/vince59/naval_war
[INFO] tweaked toml for git repo https://github.com/vince59/naval_war written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vince59/naval_war on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vince59/naval_war already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff87c0e2989b3d6ca0bfbec5b5a00be466d975ae244058f3f470e34af7690973
[INFO] running `Command { std: "docker" "start" "-a" "ff87c0e2989b3d6ca0bfbec5b5a00be466d975ae244058f3f470e34af7690973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff87c0e2989b3d6ca0bfbec5b5a00be466d975ae244058f3f470e34af7690973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff87c0e2989b3d6ca0bfbec5b5a00be466d975ae244058f3f470e34af7690973", kill_on_drop: false }`
[INFO] [stdout] ff87c0e2989b3d6ca0bfbec5b5a00be466d975ae244058f3f470e34af7690973
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d875e232a1116793e8dd58acd8d3e3cf815beaa721059262c46154080f8ef1ef
[INFO] running `Command { std: "docker" "start" "-a" "d875e232a1116793e8dd58acd8d3e3cf815beaa721059262c46154080f8ef1ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling naval_war v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `player2`
[INFO] [stdout]  --> src/main.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let (player1, player2) = (
[INFO] [stdout]   |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_player2`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/game.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Ship {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 11 |     pub name: &'static str,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ship` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Hit` and `Miss` are never constructed
[INFO] [stdout]   --> src/game.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub enum Cell {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 95 |     Hit(Rc<WarShip>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 96 |     Miss(),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cell` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `player` is never read
[INFO] [stdout]    --> src/game.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct Board {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 105 |     grid: Grid,
[INFO] [stdout] 106 |     player: Player,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Board` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "d875e232a1116793e8dd58acd8d3e3cf815beaa721059262c46154080f8ef1ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d875e232a1116793e8dd58acd8d3e3cf815beaa721059262c46154080f8ef1ef", kill_on_drop: false }`
[INFO] [stdout] d875e232a1116793e8dd58acd8d3e3cf815beaa721059262c46154080f8ef1ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dddf50e23be3aa2907459e3f3d8e29442a4615c7dc5ac6fdcf997f2c043033bb
[INFO] running `Command { std: "docker" "start" "-a" "dddf50e23be3aa2907459e3f3d8e29442a4615c7dc5ac6fdcf997f2c043033bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling naval_war v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `player2`
[INFO] [stdout]  --> src/main.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let (player1, player2) = (
[INFO] [stdout]   |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_player2`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/game.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Ship {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 11 |     pub name: &'static str,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ship` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Hit` and `Miss` are never constructed
[INFO] [stdout]   --> src/game.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub enum Cell {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 95 |     Hit(Rc<WarShip>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 96 |     Miss(),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cell` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `player` is never read
[INFO] [stdout]    --> src/game.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct Board {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 105 |     grid: Grid,
[INFO] [stdout] 106 |     player: Player,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Board` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "dddf50e23be3aa2907459e3f3d8e29442a4615c7dc5ac6fdcf997f2c043033bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dddf50e23be3aa2907459e3f3d8e29442a4615c7dc5ac6fdcf997f2c043033bb", kill_on_drop: false }`
[INFO] [stdout] dddf50e23be3aa2907459e3f3d8e29442a4615c7dc5ac6fdcf997f2c043033bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5dda40096bf7b71c67e597a692cf5cb0855cfcad53b96845eabf9cd9852d0e50
[INFO] running `Command { std: "docker" "start" "-a" "5dda40096bf7b71c67e597a692cf5cb0855cfcad53b96845eabf9cd9852d0e50", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `player2`
[INFO] [stderr]  --> src/main.rs:4:19
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] 4 |     let (player1, player2) = (
[INFO] [stderr]   |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_player2`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> src/game.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Ship {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] 11 |     pub name: &'static str,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Ship` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Hit` and `Miss` are never constructed
[INFO] [stderr]   --> src/game.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub enum Cell {
[INFO] [stderr]    |          ---- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 95 |     Hit(Rc<WarShip>),
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 96 |     Miss(),
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Cell` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `player` is never read
[INFO] [stderr]    --> src/game.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub struct Board {
[INFO] [stderr]     |            ----- field in this struct
[INFO] [stderr] 105 |     grid: Grid,
[INFO] [stderr] 106 |     player: Player,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Board` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `naval_war` (bin "naval_war" test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/naval_war-574f0efccd9044c3)
[INFO] running `Command { std: "docker" "inspect" "5dda40096bf7b71c67e597a692cf5cb0855cfcad53b96845eabf9cd9852d0e50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dda40096bf7b71c67e597a692cf5cb0855cfcad53b96845eabf9cd9852d0e50", kill_on_drop: false }`
[INFO] [stdout] 5dda40096bf7b71c67e597a692cf5cb0855cfcad53b96845eabf9cd9852d0e50