[INFO] cloning repository https://github.com/Yuhanun/trilion_poker_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yuhanun/trilion_poker_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuhanun%2Ftrilion_poker_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuhanun%2Ftrilion_poker_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3597b681ea98cab97d4dfe625c428de26479713e
[INFO] checking Yuhanun/trilion_poker_server against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuhanun%2Ftrilion_poker_server" "/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/Yuhanun/trilion_poker_server on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Yuhanun/trilion_poker_server
[INFO] finished tweaking git repo https://github.com/Yuhanun/trilion_poker_server
[INFO] tweaked toml for git repo https://github.com/Yuhanun/trilion_poker_server written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Yuhanun/trilion_poker_server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d15a3759c55264c55dc8aa50fb97e7dfb27bde3f8fe1c647784c3162a8f4deda
[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" "d15a3759c55264c55dc8aa50fb97e7dfb27bde3f8fe1c647784c3162a8f4deda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d15a3759c55264c55dc8aa50fb97e7dfb27bde3f8fe1c647784c3162a8f4deda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d15a3759c55264c55dc8aa50fb97e7dfb27bde3f8fe1c647784c3162a8f4deda", kill_on_drop: false }`
[INFO] [stdout] d15a3759c55264c55dc8aa50fb97e7dfb27bde3f8fe1c647784c3162a8f4deda
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f95d41235343fce68e526628bece1ea969f9bedf10c2bc3358909bfefa11e91
[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" "8f95d41235343fce68e526628bece1ea969f9bedf10c2bc3358909bfefa11e91", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking trilion_poker_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `send`
[INFO] [stdout]   --> src/connectioninfo.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn send<T>(&mut self, data: T) -> bool
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_str`
[INFO] [stdout]   --> src/connectioninfo.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn send_str(&mut self, data: &[u8]) -> std::io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_read`
[INFO] [stdout]   --> src/connectioninfo.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn try_read(&mut self) -> Option<String> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `games`
[INFO] [stdout]   --> src/server.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     games: Arc<Mutex<HashMap<usize, game::Game>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `deck`
[INFO] [stdout]  --> src/game.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     deck: Vec<Card>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `players`
[INFO] [stdout]  --> src/game.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     players: Vec<Player>
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send`
[INFO] [stdout]   --> src/connectioninfo.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn send<T>(&mut self, data: T) -> bool
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_str`
[INFO] [stdout]   --> src/connectioninfo.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn send_str(&mut self, data: &[u8]) -> std::io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_read`
[INFO] [stdout]   --> src/connectioninfo.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn try_read(&mut self) -> Option<String> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `games`
[INFO] [stdout]   --> src/server.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     games: Arc<Mutex<HashMap<usize, game::Game>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `deck`
[INFO] [stdout]  --> src/game.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     deck: Vec<Card>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `players`
[INFO] [stdout]  --> src/game.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     players: Vec<Player>
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.01s
[INFO] running `Command { std: "docker" "inspect" "8f95d41235343fce68e526628bece1ea969f9bedf10c2bc3358909bfefa11e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f95d41235343fce68e526628bece1ea969f9bedf10c2bc3358909bfefa11e91", kill_on_drop: false }`
[INFO] [stdout] 8f95d41235343fce68e526628bece1ea969f9bedf10c2bc3358909bfefa11e91