[INFO] cloning repository https://github.com/duvallj/tungstenite_testings
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/duvallj/tungstenite_testings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduvallj%2Ftungstenite_testings"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduvallj%2Ftungstenite_testings'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 40730cfded5572ac0ff48706d19f28383e4a85ef
[INFO] checking duvallj/tungstenite_testings against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduvallj%2Ftungstenite_testings" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/duvallj/tungstenite_testings on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/duvallj/tungstenite_testings
[INFO] finished tweaking git repo https://github.com/duvallj/tungstenite_testings
[INFO] tweaked toml for git repo https://github.com/duvallj/tungstenite_testings written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/duvallj/tungstenite_testings already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6d9f2d1fece8e94c956669a9fce29c9a82793a19b3b7e839300431d70c319a53
[INFO] running `"docker" "start" "-a" "6d9f2d1fece8e94c956669a9fce29c9a82793a19b3b7e839300431d70c319a53"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling cc v1.0.53
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking colored v1.9.3
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[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking input_buffer v0.3.1
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[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling openssl-sys v0.9.56
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking simple_logger v1.6.0
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.16
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking pin-project v0.4.16
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking tokio-tungstenite v0.10.1
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking tungstenite_testings v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `futures_channel::mpsc::UnboundedSender`
[INFO] [stderr]  --> src/protocol/structs.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use futures_channel::mpsc::UnboundedSender;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `unbounded`
[INFO] [stderr]  --> src/handlers.rs:4:29
[INFO] [stderr]   |
[INFO] [stderr] 4 | use futures_channel::mpsc::{unbounded, UnboundedSender};
[INFO] [stderr]   |                             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Either`, `select`
[INFO] [stderr]   --> src/handlers.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |         select,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 12 |         Either,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AsyncRead`, `AsyncWrite`
[INFO] [stderr]   --> src/handlers.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     AsyncRead,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 19 |     AsyncWrite,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio_tungstenite::WebSocketStream`
[INFO] [stderr]   --> src/handlers.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use tokio_tungstenite::WebSocketStream;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures_channel::mpsc::UnboundedSender`
[INFO] [stderr]  --> src/protocol/structs.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use futures_channel::mpsc::UnboundedSender;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `unbounded`
[INFO] [stderr]  --> src/handlers.rs:4:29
[INFO] [stderr]   |
[INFO] [stderr] 4 | use futures_channel::mpsc::{unbounded, UnboundedSender};
[INFO] [stderr]   |                             ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Either`, `select`
[INFO] [stderr]   --> src/handlers.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |         select,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 12 |         Either,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AsyncRead`, `AsyncWrite`
[INFO] [stderr]   --> src/handlers.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     AsyncRead,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 19 |     AsyncWrite,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio_tungstenite::WebSocketStream`
[INFO] [stderr]   --> src/handlers.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use tokio_tungstenite::WebSocketStream;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/handlers.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     mut ws_stream: T,
[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/handlers.rs:94:10
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let (mut ws_sender, mut ws_receiver) = ws_stream.split();
[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/handlers.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let mut ws_fut = ws_receiver.next();
[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/handlers.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     mut ws_stream: T,
[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/handlers.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     mut ws_stream: T,
[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/handlers.rs:94:10
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let (mut ws_sender, mut ws_receiver) = ws_stream.split();
[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/handlers.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let mut ws_fut = ws_receiver.next();
[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/handlers.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     mut ws_stream: T,
[INFO] [stderr]     |     ----^^^^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/main.rs:42:66
[INFO] [stderr]    |
[INFO] [stderr] 42 | async fn handle_connection(room_map: RoomMap, peer_map: PeerMap, addr: SocketAddr, stream: TcpStream) -> WSResult<()> {
[INFO] [stderr]    |                                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `room_map`
[INFO] [stderr]   --> src/handlers.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     room_map: &RoomMap,
[INFO] [stderr]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_room_map`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `peer_map`
[INFO] [stderr]   --> src/handlers.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     peer_map: PeerMap,
[INFO] [stderr]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_map`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ws_sender`
[INFO] [stderr]   --> src/handlers.rs:94:10
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let (mut ws_sender, mut ws_receiver) = ws_stream.split();
[INFO] [stderr]    |          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ws_sender`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ws_fut`
[INFO] [stderr]    --> src/handlers.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let mut ws_fut = ws_receiver.next();
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ws_fut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `peer_map`
[INFO] [stderr]    --> src/handlers.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     peer_map: PeerMap,
[INFO] [stderr]     |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_map`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ws_stream`
[INFO] [stderr]    --> src/handlers.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     mut ws_stream: T,
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ws_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/handlers.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 |     id: &Id,
[INFO] [stderr]     |     ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `room_map`
[INFO] [stderr]    --> src/handlers.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 157 |     room_map: &RoomMap,
[INFO] [stderr]     |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_room_map`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ws_sender`
[INFO] [stderr]    --> src/handlers.rs:158:5
[INFO] [stderr]     |
[INFO] [stderr] 158 |     ws_sender: &mut T,
[INFO] [stderr]     |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ws_sender`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lrq`
[INFO] [stderr]    --> src/handlers.rs:162:34
[INFO] [stderr]     |
[INFO] [stderr] 162 |         Some(ClientRequest::List(lrq)) => {
[INFO] [stderr]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_lrq`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prq`
[INFO] [stderr]    --> src/handlers.rs:164:34
[INFO] [stderr]     |
[INFO] [stderr] 164 |         Some(ClientRequest::Play(prq)) => {
[INFO] [stderr]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_prq`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `wrq`
[INFO] [stderr]    --> src/handlers.rs:166:35
[INFO] [stderr]     |
[INFO] [stderr] 166 |         Some(ClientRequest::Watch(wrq)) => {
[INFO] [stderr]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_wrq`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/main.rs:42:66
[INFO] [stderr]    |
[INFO] [stderr] 42 | async fn handle_connection(room_map: RoomMap, peer_map: PeerMap, addr: SocketAddr, stream: TcpStream) -> WSResult<()> {
[INFO] [stderr]    |                                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `room_map`
[INFO] [stderr]   --> src/handlers.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     room_map: &RoomMap,
[INFO] [stderr]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_room_map`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `peer_map`
[INFO] [stderr]   --> src/handlers.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     peer_map: PeerMap,
[INFO] [stderr]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_map`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ws_sender`
[INFO] [stderr]   --> src/handlers.rs:94:10
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let (mut ws_sender, mut ws_receiver) = ws_stream.split();
[INFO] [stderr]    |          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ws_sender`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ws_fut`
[INFO] [stderr]    --> src/handlers.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let mut ws_fut = ws_receiver.next();
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ws_fut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `peer_map`
[INFO] [stderr]    --> src/handlers.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     peer_map: PeerMap,
[INFO] [stderr]     |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_peer_map`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ws_stream`
[INFO] [stderr]    --> src/handlers.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     mut ws_stream: T,
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ws_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/handlers.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 |     id: &Id,
[INFO] [stderr]     |     ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `room_map`
[INFO] [stderr]    --> src/handlers.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 157 |     room_map: &RoomMap,
[INFO] [stderr]     |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_room_map`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ws_sender`
[INFO] [stderr]    --> src/handlers.rs:158:5
[INFO] [stderr]     |
[INFO] [stderr] 158 |     ws_sender: &mut T,
[INFO] [stderr]     |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ws_sender`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lrq`
[INFO] [stderr]    --> src/handlers.rs:162:34
[INFO] [stderr]     |
[INFO] [stderr] 162 |         Some(ClientRequest::List(lrq)) => {
[INFO] [stderr]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_lrq`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prq`
[INFO] [stderr]    --> src/handlers.rs:164:34
[INFO] [stderr]     |
[INFO] [stderr] 164 |         Some(ClientRequest::Play(prq)) => {
[INFO] [stderr]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_prq`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `wrq`
[INFO] [stderr]    --> src/handlers.rs:166:35
[INFO] [stderr]     |
[INFO] [stderr] 166 |         Some(ClientRequest::Watch(wrq)) => {
[INFO] [stderr]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_wrq`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `opponent`
[INFO] [stderr]   --> src/othello.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn opponent (&self) -> Player {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `UP`
[INFO] [stderr]   --> src/othello.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub const UP    : i32 = -10;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `DOWN`
[INFO] [stderr]   --> src/othello.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub const DOWN  : i32 = 10;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `LEFT`
[INFO] [stderr]   --> src/othello.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub const LEFT  : i32 = -1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `RIGHT`
[INFO] [stderr]   --> src/othello.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub const RIGHT : i32 = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `UP_RIGHT`
[INFO] [stderr]   --> src/othello.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub const UP_RIGHT   : i32 = UP + RIGHT;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `UP_LEFT`
[INFO] [stderr]   --> src/othello.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub const UP_LEFT    : i32 = UP + LEFT;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `DOWN_RIGHT`
[INFO] [stderr]   --> src/othello.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub const DOWN_RIGHT : i32 = DOWN + RIGHT;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `DOWN_LEFT`
[INFO] [stderr]   --> src/othello.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub const DOWN_LEFT  : i32 = DOWN + LEFT;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Direction`
[INFO] [stderr]   --> src/othello.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub enum Direction {
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `LEGAL_SPACES`
[INFO] [stderr]   --> src/othello.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | / const LEGAL_SPACES : [usize; 64] = [
[INFO] [stderr] 56 | |     11, 12, 13, 14, 15, 16, 17, 18, 
[INFO] [stderr] 57 | |     21, 22, 23, 24, 25, 26, 27, 28, 
[INFO] [stderr] 58 | |     31, 32, 33, 34, 35, 36, 37, 38, 
[INFO] [stderr] ...  |
[INFO] [stderr] 62 | |     71, 72, 73, 74, 75, 76, 77, 78, 
[INFO] [stderr] 63 | |     81, 82, 83, 84, 85, 86, 87, 88];
[INFO] [stderr]    | |____________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `value`
[INFO] [stderr]   --> src/othello.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn value(&self) -> i32 {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `iter`
[INFO] [stderr]   --> src/othello.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn iter() -> Iter<'static, Direction> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `DIRECTIONS`
[INFO] [stderr]   --> src/othello.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 | /         static DIRECTIONS : [Direction; 8] = [
[INFO] [stderr] 81 | |             Direction::Up, Direction::UpLeft, Direction::Left, Direction::DownLeft, Direction::Down, Direction::DownRight, Direction::Right, Direction::UpRight
[INFO] [stderr] 82 | |         ];
[INFO] [stderr]    | |__________^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `initial_board`
[INFO] [stderr]   --> src/othello.rs:89:4
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn initial_board () -> Board {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `INITIAL_BOARD`
[INFO] [stderr]    --> src/othello.rs:104:1
[INFO] [stderr]     |
[INFO] [stderr] 104 | / pub const INITIAL_BOARD : Board = 
[INFO] [stderr] 105 | | [
[INFO] [stderr] 106 | | Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER,
[INFO] [stderr] 107 | | Piece::OUTER, Piece::EMPTY, Piece::EMPTY, Piece::EMPTY, Piece::EMPTY, Piece::EMPTY, Piece::EMPTY, Piece::EMPTY, Piece::EMPTY, Piece::OUTER,
[INFO] [stderr] ...   |
[INFO] [stderr] 115 | | Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER,
[INFO] [stderr] 116 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Loc`
[INFO] [stderr]  --> src/othello/moves.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | type Loc = usize;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Bd`
[INFO] [stderr]  --> src/othello/moves.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | type Bd = BoardStruct;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `IllegalMoveError`
[INFO] [stderr]  --> src/othello/moves.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct IllegalMoveError {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add`
[INFO] [stderr]   --> src/othello/moves.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn add (u: usize, i: i32) -> usize {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_bracket`
[INFO] [stderr]   --> src/othello/moves.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn find_bracket(square: &Loc, player: &Player, board: &Bd, direction: &Direction) -> Option<Loc> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_legal`
[INFO] [stderr]   --> src/othello/moves.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn is_legal(square: &Loc, player: &Player, board: &Bd) -> bool {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_flips`
[INFO] [stderr]   --> src/othello/moves.rs:53:4
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn make_flips(square: &Loc, player: &Player, board: &mut Bd, direction: &Direction) -> () {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_move`
[INFO] [stderr]   --> src/othello/moves.rs:70:8
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub fn make_move(square: &Loc, player: &Player, board: &mut Bd) -> Result<(), IllegalMoveError> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `legal_moves`
[INFO] [stderr]   --> src/othello/moves.rs:85:8
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub fn legal_moves (player: &Player, board: &Bd) -> Vec<Loc> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `any_legal_moves`
[INFO] [stderr]   --> src/othello/moves.rs:98:8
[INFO] [stderr]    |
[INFO] [stderr] 98 | pub fn any_legal_moves (player: &Player, board: &Bd) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `next_player`
[INFO] [stderr]    --> src/othello/moves.rs:106:8
[INFO] [stderr]     |
[INFO] [stderr] 106 | pub fn next_player (board: &Bd, prev_player: &Player) -> Option<Player> {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `opponent`
[INFO] [stderr]   --> src/othello.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn opponent (&self) -> Player {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `UP`
[INFO] [stderr]   --> src/othello.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub const UP    : i32 = -10;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `DOWN`
[INFO] [stderr]   --> src/othello.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub const DOWN  : i32 = 10;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `LEFT`
[INFO] [stderr]   --> src/othello.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub const LEFT  : i32 = -1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `RIGHT`
[INFO] [stderr]   --> src/othello.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub const RIGHT : i32 = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `UP_RIGHT`
[INFO] [stderr]   --> src/othello.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub const UP_RIGHT   : i32 = UP + RIGHT;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `UP_LEFT`
[INFO] [stderr]   --> src/othello.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub const UP_LEFT    : i32 = UP + LEFT;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `DOWN_RIGHT`
[INFO] [stderr]   --> src/othello.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub const DOWN_RIGHT : i32 = DOWN + RIGHT;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `DOWN_LEFT`
[INFO] [stderr]   --> src/othello.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub const DOWN_LEFT  : i32 = DOWN + LEFT;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Direction`
[INFO] [stderr]   --> src/othello.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub enum Direction {
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `LEGAL_SPACES`
[INFO] [stderr]   --> src/othello.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | / const LEGAL_SPACES : [usize; 64] = [
[INFO] [stderr] 56 | |     11, 12, 13, 14, 15, 16, 17, 18, 
[INFO] [stderr] 57 | |     21, 22, 23, 24, 25, 26, 27, 28, 
[INFO] [stderr] 58 | |     31, 32, 33, 34, 35, 36, 37, 38, 
[INFO] [stderr] ...  |
[INFO] [stderr] 62 | |     71, 72, 73, 74, 75, 76, 77, 78, 
[INFO] [stderr] 63 | |     81, 82, 83, 84, 85, 86, 87, 88];
[INFO] [stderr]    | |____________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `value`
[INFO] [stderr]   --> src/othello.rs:66:12
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn value(&self) -> i32 {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `iter`
[INFO] [stderr]   --> src/othello.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn iter() -> Iter<'static, Direction> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `DIRECTIONS`
[INFO] [stderr]   --> src/othello.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 | /         static DIRECTIONS : [Direction; 8] = [
[INFO] [stderr] 81 | |             Direction::Up, Direction::UpLeft, Direction::Left, Direction::DownLeft, Direction::Down, Direction::DownRight, Direction::Right, Direction::UpRight
[INFO] [stderr] 82 | |         ];
[INFO] [stderr]    | |__________^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `initial_board`
[INFO] [stderr]   --> src/othello.rs:89:4
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn initial_board () -> Board {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `INITIAL_BOARD`
[INFO] [stderr]    --> src/othello.rs:104:1
[INFO] [stderr]     |
[INFO] [stderr] 104 | / pub const INITIAL_BOARD : Board = 
[INFO] [stderr] 105 | | [
[INFO] [stderr] 106 | | Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER,
[INFO] [stderr] 107 | | Piece::OUTER, Piece::EMPTY, Piece::EMPTY, Piece::EMPTY, Piece::EMPTY, Piece::EMPTY, Piece::EMPTY, Piece::EMPTY, Piece::EMPTY, Piece::OUTER,
[INFO] [stderr] ...   |
[INFO] [stderr] 115 | | Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER, Piece::OUTER,
[INFO] [stderr] 116 | | ];
[INFO] [stderr]     | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Loc`
[INFO] [stderr]  --> src/othello/moves.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | type Loc = usize;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Bd`
[INFO] [stderr]  --> src/othello/moves.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | type Bd = BoardStruct;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `IllegalMoveError`
[INFO] [stderr]  --> src/othello/moves.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct IllegalMoveError {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add`
[INFO] [stderr]   --> src/othello/moves.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn add (u: usize, i: i32) -> usize {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_bracket`
[INFO] [stderr]   --> src/othello/moves.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn find_bracket(square: &Loc, player: &Player, board: &Bd, direction: &Direction) -> Option<Loc> {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_legal`
[INFO] [stderr]   --> src/othello/moves.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn is_legal(square: &Loc, player: &Player, board: &Bd) -> bool {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_flips`
[INFO] [stderr]   --> src/othello/moves.rs:53:4
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn make_flips(square: &Loc, player: &Player, board: &mut Bd, direction: &Direction) -> () {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_move`
[INFO] [stderr]   --> src/othello/moves.rs:70:8
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub fn make_move(square: &Loc, player: &Player, board: &mut Bd) -> Result<(), IllegalMoveError> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `legal_moves`
[INFO] [stderr]   --> src/othello/moves.rs:85:8
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub fn legal_moves (player: &Player, board: &Bd) -> Vec<Loc> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `any_legal_moves`
[INFO] [stderr]   --> src/othello/moves.rs:98:8
[INFO] [stderr]    |
[INFO] [stderr] 98 | pub fn any_legal_moves (player: &Player, board: &Bd) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `next_player`
[INFO] [stderr]    --> src/othello/moves.rs:106:8
[INFO] [stderr]     |
[INFO] [stderr] 106 | pub fn next_player (board: &Bd, prev_player: &Player) -> Option<Player> {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `score`
[INFO] [stderr]    --> src/othello/moves.rs:117:8
[INFO] [stderr]     |
[INFO] [stderr] 117 | pub fn score (player: &Player, board: &Bd) -> i32 {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_game_over`
[INFO] [stderr]    --> src/othello/moves.rs:134:8
[INFO] [stderr]     |
[INFO] [stderr] 134 | pub fn is_game_over(player: &Player, board: &Bd) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `RunnerStdin`
[INFO] [stderr]   --> src/runner/structs.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub type RunnerStdin = ChildStdin;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `RunnerStdout`
[INFO] [stderr]   --> src/runner/structs.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type RunnerStdout = Lines<BufReader<ChildStdout>>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `RunnerStderr`
[INFO] [stderr]   --> src/runner/structs.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type RunnerStderr = Lines<BufReader<ChildStderr>>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Runner`
[INFO] [stderr]   --> src/runner/structs.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct Runner {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `OTHELLO_ROOT`
[INFO] [stderr]  --> src/runner/settings.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub const OTHELLO_ROOT : &str = "../othello_tourney/";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `build_unjailed_command`
[INFO] [stderr]  --> src/runner/settings.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn build_unjailed_command<S: AsRef<OsStr>>(ai_name: S) -> Result<Command, tokio::io::Error> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `build_jailed_command`
[INFO] [stderr]   --> src/runner/settings.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn build_jailed_command<S: AsRef<OsStr>>(ai_name: S) -> Result<Command, tokio::io::Error> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_runner`
[INFO] [stderr]   --> src/runner.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn make_runner(ai_name: &String) -> IOResult<Runner> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `serialize_request`
[INFO] [stderr]   --> src/runner.rs:47:4
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn serialize_request(board: &BoardStruct, player: &Player, timelimit: f32, ai_name: &String) -> Result<String, SerdeError> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_move`
[INFO] [stderr]   --> src/runner.rs:58:14
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub async fn get_move(runner: &mut Runner, board: &BoardStruct, player: &Player, timelimit: f32) -> IOResult<usize> {
[INFO] [stderr]    |              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `PlayerType`
[INFO] [stderr]   --> src/handlers.rs:35:10
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub enum PlayerType {
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Game`
[INFO] [stderr]   --> src/handlers.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct Game {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `handle_incoming_message`
[INFO] [stderr]   --> src/handlers.rs:46:14
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub async fn handle_incoming_message(
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `handle_initial_request`
[INFO] [stderr]    --> src/handlers.rs:155:14
[INFO] [stderr]     |
[INFO] [stderr] 155 | pub async fn handle_initial_request<T: SinkExt<WSMessage> + std::marker::Unpin>(
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cleanup_room`
[INFO] [stderr]    --> src/handlers.rs:172:8
[INFO] [stderr]     |
[INFO] [stderr] 172 | pub fn cleanup_room(
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unwrap_incomming_message`
[INFO] [stderr]    --> src/main.rs:144:4
[INFO] [stderr]     |
[INFO] [stderr] 144 | fn unwrap_incomming_message(msg: WSMessage) -> WSResult<ClientMessage> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `score`
[INFO] [stderr]    --> src/othello/moves.rs:117:8
[INFO] [stderr]     |
[INFO] [stderr] 117 | pub fn score (player: &Player, board: &Bd) -> i32 {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_game_over`
[INFO] [stderr]    --> src/othello/moves.rs:134:8
[INFO] [stderr]     |
[INFO] [stderr] 134 | pub fn is_game_over(player: &Player, board: &Bd) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `RunnerStdin`
[INFO] [stderr]   --> src/runner/structs.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub type RunnerStdin = ChildStdin;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `RunnerStdout`
[INFO] [stderr]   --> src/runner/structs.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type RunnerStdout = Lines<BufReader<ChildStdout>>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `RunnerStderr`
[INFO] [stderr]   --> src/runner/structs.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type RunnerStderr = Lines<BufReader<ChildStderr>>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Runner`
[INFO] [stderr]   --> src/runner/structs.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct Runner {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `OTHELLO_ROOT`
[INFO] [stderr]  --> src/runner/settings.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub const OTHELLO_ROOT : &str = "../othello_tourney/";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `build_unjailed_command`
[INFO] [stderr]  --> src/runner/settings.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn build_unjailed_command<S: AsRef<OsStr>>(ai_name: S) -> Result<Command, tokio::io::Error> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `build_jailed_command`
[INFO] [stderr]   --> src/runner/settings.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn build_jailed_command<S: AsRef<OsStr>>(ai_name: S) -> Result<Command, tokio::io::Error> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_runner`
[INFO] [stderr]   --> src/runner.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn make_runner(ai_name: &String) -> IOResult<Runner> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `serialize_request`
[INFO] [stderr]   --> src/runner.rs:47:4
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn serialize_request(board: &BoardStruct, player: &Player, timelimit: f32, ai_name: &String) -> Result<String, SerdeError> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_move`
[INFO] [stderr]   --> src/runner.rs:58:14
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub async fn get_move(runner: &mut Runner, board: &BoardStruct, player: &Player, timelimit: f32) -> IOResult<usize> {
[INFO] [stderr]    |              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `PlayerType`
[INFO] [stderr]   --> src/handlers.rs:35:10
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub enum PlayerType {
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Game`
[INFO] [stderr]   --> src/handlers.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct Game {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `handle_incoming_message`
[INFO] [stderr]   --> src/handlers.rs:46:14
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub async fn handle_incoming_message(
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `handle_initial_request`
[INFO] [stderr]    --> src/handlers.rs:155:14
[INFO] [stderr]     |
[INFO] [stderr] 155 | pub async fn handle_initial_request<T: SinkExt<WSMessage> + std::marker::Unpin>(
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cleanup_room`
[INFO] [stderr]    --> src/handlers.rs:172:8
[INFO] [stderr]     |
[INFO] [stderr] 172 | pub fn cleanup_room(
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unwrap_incomming_message`
[INFO] [stderr]    --> src/main.rs:144:4
[INFO] [stderr]     |
[INFO] [stderr] 144 | fn unwrap_incomming_message(msg: WSMessage) -> WSResult<ClientMessage> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 67 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 67 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `"docker" "inspect" "6d9f2d1fece8e94c956669a9fce29c9a82793a19b3b7e839300431d70c319a53"`
[INFO] running `"docker" "rm" "-f" "6d9f2d1fece8e94c956669a9fce29c9a82793a19b3b7e839300431d70c319a53"`
[INFO] [stdout] 6d9f2d1fece8e94c956669a9fce29c9a82793a19b3b7e839300431d70c319a53