[INFO] cloning repository https://github.com/gallowstree/tsurust-v2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gallowstree/tsurust-v2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgallowstree%2Ftsurust-v2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgallowstree%2Ftsurust-v2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ab233c5fad137e296052d7d7d1fc16bd12a2d87
[INFO] testing gallowstree/tsurust-v2 against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgallowstree%2Ftsurust-v2" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gallowstree/tsurust-v2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gallowstree/tsurust-v2
[INFO] finished tweaking git repo https://github.com/gallowstree/tsurust-v2
[INFO] tweaked toml for git repo https://github.com/gallowstree/tsurust-v2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/gallowstree/tsurust-v2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b4387fbf331ed39005acdd6205052ab3b4589ef4de13491bf239a1653b64cb62
[INFO] running `Command { std: "docker" "start" "-a" "b4387fbf331ed39005acdd6205052ab3b4589ef4de13491bf239a1653b64cb62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4387fbf331ed39005acdd6205052ab3b4589ef4de13491bf239a1653b64cb62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4387fbf331ed39005acdd6205052ab3b4589ef4de13491bf239a1653b64cb62", kill_on_drop: false }`
[INFO] [stdout] b4387fbf331ed39005acdd6205052ab3b4589ef4de13491bf239a1653b64cb62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8b6c4dfbdd6ddc7e06e513def460d9dc8dd7111e42c80c6274a919d4ae5dfba
[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" "f8b6c4dfbdd6ddc7e06e513def460d9dc8dd7111e42c80c6274a919d4ae5dfba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling tracing-core v0.1.15
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling tracing v0.1.19
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling headers v0.3.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling tungstenite v0.10.1
[INFO] [stderr]    Compiling multipart v0.16.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling tokio-tungstenite v0.10.1
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling warp v0.2.4
[INFO] [stderr]    Compiling tsurust-v2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `current_stage`
[INFO] [stdout]  --> src/tsuro.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     current_stage: Box<dyn PlayerEventConsumer>
[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: `new`
[INFO] [stdout]  --> src/tsuro.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn new() -> Game {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `receive`
[INFO] [stdout]   --> src/tsuro.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn receive(&mut self, message: PlayerEvent) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `future::ready`
[INFO] [stdout]  --> src/main.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::{future::ready, StreamExt as FutureStreamExt};
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tsurust_v2::board::Position`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tsurust_v2::board::Position;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tsurust_v2::lobby::Lobby`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tsurust_v2::lobby::Lobby;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PlayerEventConsumer`
[INFO] [stdout]   --> src/main.rs:11:39
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tsurust_v2::states::{PlayerEvent, PlayerEventConsumer};
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tsurust_v2::states::PlayerEvent::EndLobby`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tsurust_v2::states::PlayerEvent::EndLobby;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:42:42
[INFO] [stdout]    |
[INFO] [stdout] 42 | async fn client_connected(ws: WebSocket, mut to_event_loop: Sender<PlayerEvent>) {
[INFO] [stdout]    |                                          ----^^^^^^^^^^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let (ws_out, mut ws_in) = ws.split(); //maybe spawn an outbound task?
[INFO] [stdout]    |                  ----^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ws_out`
[INFO] [stdout]   --> src/main.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let (ws_out, mut ws_in) = ws.split(); //maybe spawn an outbound task?
[INFO] [stdout]    |          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ws_out`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let (mut events_tx, mut events_rx) = mpsc::unbounded_channel();
[INFO] [stdout]    |          ----^^^^^^^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let (mut events_tx, mut events_rx) = mpsc::unbounded_channel();
[INFO] [stdout]    |                         ----^^^^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:69:22
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Ok(msg) => { to_event_loop.send(msg); },
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.78s
[INFO] running `Command { std: "docker" "inspect" "f8b6c4dfbdd6ddc7e06e513def460d9dc8dd7111e42c80c6274a919d4ae5dfba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b6c4dfbdd6ddc7e06e513def460d9dc8dd7111e42c80c6274a919d4ae5dfba", kill_on_drop: false }`
[INFO] [stdout] f8b6c4dfbdd6ddc7e06e513def460d9dc8dd7111e42c80c6274a919d4ae5dfba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cb803327c7a84d43a0edd9c849eb76e64fd5a428e942ff19307c39c02bbf727
[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" "8cb803327c7a84d43a0edd9c849eb76e64fd5a428e942ff19307c39c02bbf727", kill_on_drop: false }`
[INFO] [stderr]    Compiling tsurust-v2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `current_stage`
[INFO] [stdout]  --> src/tsuro.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     current_stage: Box<dyn PlayerEventConsumer>
[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: `new`
[INFO] [stdout]  --> src/tsuro.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn new() -> Game {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `receive`
[INFO] [stdout]   --> src/tsuro.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn receive(&mut self, message: PlayerEvent) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `future::ready`
[INFO] [stdout]  --> examples/ws_example.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::{future::ready, StreamExt as FutureStreamExt};
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Message as WsMessage`
[INFO] [stdout]  --> examples/ws_example.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use warp::ws::{Message as WsMessage, WebSocket};
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/ws_example.rs:34:42
[INFO] [stdout]    |
[INFO] [stdout] 34 | async fn client_connected(ws: WebSocket, mut to_event_loop: Sender<String>) {
[INFO] [stdout]    |                                          ----^^^^^^^^^^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> examples/ws_example.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Err(e) => break,
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> examples/ws_example.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (mut events_tx, mut events_rx) = mpsc::unbounded_channel();
[INFO] [stdout]   |          ----^^^^^^^^^
[INFO] [stdout]   |          |
[INFO] [stdout]   |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> examples/ws_example.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (mut events_tx, mut events_rx) = mpsc::unbounded_channel();
[INFO] [stdout]   |                         ----^^^^^^^^^
[INFO] [stdout]   |                         |
[INFO] [stdout]   |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/ws_example.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |                     to_event_loop.send(msg.to_str().unwrap().to_owned());
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `future::ready`
[INFO] [stdout]  --> src/main.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::{future::ready, StreamExt as FutureStreamExt};
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tsurust_v2::board::Position`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tsurust_v2::board::Position;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tsurust_v2::lobby::Lobby`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tsurust_v2::lobby::Lobby;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PlayerEventConsumer`
[INFO] [stdout]   --> src/main.rs:11:39
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tsurust_v2::states::{PlayerEvent, PlayerEventConsumer};
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tsurust_v2::states::PlayerEvent::EndLobby`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tsurust_v2::states::PlayerEvent::EndLobby;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `current_stage`
[INFO] [stdout]  --> src/tsuro.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     current_stage: Box<dyn PlayerEventConsumer>
[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: `new`
[INFO] [stdout]  --> src/tsuro.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn new() -> Game {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `receive`
[INFO] [stdout]   --> src/tsuro.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn receive(&mut self, message: PlayerEvent) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:42:42
[INFO] [stdout]    |
[INFO] [stdout] 42 | async fn client_connected(ws: WebSocket, mut to_event_loop: Sender<PlayerEvent>) {
[INFO] [stdout]    |                                          ----^^^^^^^^^^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let (ws_out, mut ws_in) = ws.split(); //maybe spawn an outbound task?
[INFO] [stdout]    |                  ----^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ws_out`
[INFO] [stdout]   --> src/main.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let (ws_out, mut ws_in) = ws.split(); //maybe spawn an outbound task?
[INFO] [stdout]    |          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ws_out`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let (mut events_tx, mut events_rx) = mpsc::unbounded_channel();
[INFO] [stdout]    |          ----^^^^^^^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let (mut events_tx, mut events_rx) = mpsc::unbounded_channel();
[INFO] [stdout]    |                         ----^^^^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:69:22
[INFO] [stdout]    |
[INFO] [stdout] 69 |         Ok(msg) => { to_event_loop.send(msg); },
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.65s
[INFO] running `Command { std: "docker" "inspect" "8cb803327c7a84d43a0edd9c849eb76e64fd5a428e942ff19307c39c02bbf727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cb803327c7a84d43a0edd9c849eb76e64fd5a428e942ff19307c39c02bbf727", kill_on_drop: false }`
[INFO] [stdout] 8cb803327c7a84d43a0edd9c849eb76e64fd5a428e942ff19307c39c02bbf727
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 925b78027e961a969c8d42a0f0dfd4a26a3e30a76c9cc75c35b83bd8e2aad275
[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" "925b78027e961a969c8d42a0f0dfd4a26a3e30a76c9cc75c35b83bd8e2aad275", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `current_stage`
[INFO] [stderr]  --> src/tsuro.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     current_stage: Box<dyn PlayerEventConsumer>
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/tsuro.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn new() -> Game {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `receive`
[INFO] [stderr]   --> src/tsuro.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn receive(&mut self, message: PlayerEvent) {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `current_stage`
[INFO] [stderr]  --> src/tsuro.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     current_stage: Box<dyn PlayerEventConsumer>
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/tsuro.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn new() -> Game {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `receive`
[INFO] [stderr]   --> src/tsuro.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn receive(&mut self, message: PlayerEvent) {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `future::ready`
[INFO] [stderr]  --> examples/ws_example.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use futures::{future::ready, StreamExt as FutureStreamExt};
[INFO] [stderr]   |               ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Message as WsMessage`
[INFO] [stderr]  --> examples/ws_example.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | use warp::ws::{Message as WsMessage, WebSocket};
[INFO] [stderr]   |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/ws_example.rs:34:42
[INFO] [stderr]    |
[INFO] [stderr] 34 | async fn client_connected(ws: WebSocket, mut to_event_loop: Sender<String>) {
[INFO] [stderr]    |                                          ----^^^^^^^^^^^^^
[INFO] [stderr]    |                                          |
[INFO] [stderr]    |                                          help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> examples/ws_example.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |             Err(e) => break,
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> examples/ws_example.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let (mut events_tx, mut events_rx) = mpsc::unbounded_channel();
[INFO] [stderr]   |          ----^^^^^^^^^
[INFO] [stderr]   |          |
[INFO] [stderr]   |          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> examples/ws_example.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let (mut events_tx, mut events_rx) = mpsc::unbounded_channel();
[INFO] [stderr]   |                         ----^^^^^^^^^
[INFO] [stderr]   |                         |
[INFO] [stderr]   |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/ws_example.rs:43:21
[INFO] [stderr]    |
[INFO] [stderr] 43 |                     to_event_loop.send(msg.to_str().unwrap().to_owned());
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::any::Any`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::any::Any;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `future::ready`
[INFO] [stderr]  --> src/main.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::{future::ready, StreamExt as FutureStreamExt};
[INFO] [stderr]   |               ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tsurust_v2::board::Position`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tsurust_v2::board::Position;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tsurust_v2::lobby::Lobby`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use tsurust_v2::lobby::Lobby;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PlayerEventConsumer`
[INFO] [stderr]   --> src/main.rs:11:39
[INFO] [stderr]    |
[INFO] [stderr] 11 | use tsurust_v2::states::{PlayerEvent, PlayerEventConsumer};
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tsurust_v2::states::PlayerEvent::EndLobby`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use tsurust_v2::states::PlayerEvent::EndLobby;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:42:42
[INFO] [stderr]    |
[INFO] [stderr] 42 | async fn client_connected(ws: WebSocket, mut to_event_loop: Sender<PlayerEvent>) {
[INFO] [stderr]    |                                          ----^^^^^^^^^^^^^
[INFO] [stderr]    |                                          |
[INFO] [stderr]    |                                          help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:43:18
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let (ws_out, mut ws_in) = ws.split(); //maybe spawn an outbound task?
[INFO] [stderr]    |                  ----^^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ws_out`
[INFO] [stderr]   --> src/main.rs:43:10
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let (ws_out, mut ws_in) = ws.split(); //maybe spawn an outbound task?
[INFO] [stderr]    |          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ws_out`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let (mut events_tx, mut events_rx) = mpsc::unbounded_channel();
[INFO] [stderr]    |          ----^^^^^^^^^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:17:25
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let (mut events_tx, mut events_rx) = mpsc::unbounded_channel();
[INFO] [stderr]    |                         ----^^^^^^^^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:69:22
[INFO] [stderr]    |
[INFO] [stderr] 69 |         Ok(msg) => { to_event_loop.send(msg); },
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tsurust_v2-d9574c46b18a6844)
[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]      Running unittests (/opt/rustwide/target/debug/deps/tsurust_v2-994af21c4ffca336)
[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]    Doc-tests tsurust-v2
[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] running `Command { std: "docker" "inspect" "925b78027e961a969c8d42a0f0dfd4a26a3e30a76c9cc75c35b83bd8e2aad275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925b78027e961a969c8d42a0f0dfd4a26a3e30a76c9cc75c35b83bd8e2aad275", kill_on_drop: false }`
[INFO] [stdout] 925b78027e961a969c8d42a0f0dfd4a26a3e30a76c9cc75c35b83bd8e2aad275
