[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] checking vince59/naval_war against master#be181dd75c83d72fcc95538e235768bc367b76b9 for pr-140208
[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] validating manifest of git repo https://github.com/vince59/naval_war on toolchain be181dd75c83d72fcc95538e235768bc367b76b9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be181dd75c83d72fcc95538e235768bc367b76b9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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] 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" "+be181dd75c83d72fcc95538e235768bc367b76b9" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+be181dd75c83d72fcc95538e235768bc367b76b9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a29a03f3ee945084cb761e14219904c05307b05bb416d4420636818fec938d47
[INFO] running `Command { std: "docker" "start" "-a" "a29a03f3ee945084cb761e14219904c05307b05bb416d4420636818fec938d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a29a03f3ee945084cb761e14219904c05307b05bb416d4420636818fec938d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a29a03f3ee945084cb761e14219904c05307b05bb416d4420636818fec938d47", kill_on_drop: false }`
[INFO] [stdout] a29a03f3ee945084cb761e14219904c05307b05bb416d4420636818fec938d47
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+be181dd75c83d72fcc95538e235768bc367b76b9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a66231747b2e3f9dcf2ba9ac7b3a708fa717cb2e6fc64596c37700aaccba5e20
[INFO] running `Command { std: "docker" "start" "-a" "a66231747b2e3f9dcf2ba9ac7b3a708fa717cb2e6fc64596c37700aaccba5e20", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking 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)]` 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)]` 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] [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)]` 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)]` 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 3.98s
[INFO] running `Command { std: "docker" "inspect" "a66231747b2e3f9dcf2ba9ac7b3a708fa717cb2e6fc64596c37700aaccba5e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a66231747b2e3f9dcf2ba9ac7b3a708fa717cb2e6fc64596c37700aaccba5e20", kill_on_drop: false }`
[INFO] [stdout] a66231747b2e3f9dcf2ba9ac7b3a708fa717cb2e6fc64596c37700aaccba5e20