[INFO] cloning repository https://github.com/Simhyeon/cardserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Simhyeon/cardserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimhyeon%2Fcardserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimhyeon%2Fcardserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 200b7c3794d4da29c0334a07c04c1c799e11fc51
[INFO] checking Simhyeon/cardserver against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimhyeon%2Fcardserver" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Simhyeon/cardserver
[INFO] finished tweaking git repo https://github.com/Simhyeon/cardserver
[INFO] tweaked toml for git repo https://github.com/Simhyeon/cardserver written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Simhyeon/cardserver on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Simhyeon/cardserver 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 955925de89c454124e0109da154691960f699bdf337b3749ce17ecaf187f8c90
[INFO] running `Command { std: "docker" "start" "-a" "955925de89c454124e0109da154691960f699bdf337b3749ce17ecaf187f8c90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "955925de89c454124e0109da154691960f699bdf337b3749ce17ecaf187f8c90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "955925de89c454124e0109da154691960f699bdf337b3749ce17ecaf187f8c90", kill_on_drop: false }`
[INFO] [stdout] 955925de89c454124e0109da154691960f699bdf337b3749ce17ecaf187f8c90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea251e231620cc429645e58b8b7fc7edfc2a9f437d7cffcd0faf82ca92c80c4c
[INFO] running `Command { std: "docker" "start" "-a" "ea251e231620cc429645e58b8b7fc7edfc2a9f437d7cffcd0faf82ca92c80c4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]     Checking http v0.2.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]     Checking tempfile v3.1.0
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[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking multipart v0.17.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
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[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]     Checking card_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/models.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PlayerAction`
[INFO] [stdout]   --> src/handlers.rs:10:46
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::models::{Connection, UserRequest, PlayerAction, ServerResponse, ResponseType, ResponseValue, InternalRequest, IntReqType, IntR...
[INFO] [stdout]    |                                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Distribution` and `Uniform`
[INFO] [stdout]  --> src/test.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::distributions::{Distribution, Uniform};
[INFO] [stdout]   |                           ^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod test;
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Arc`
[INFO] [stdout]  --> src/main.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::{Arc, RwLock};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::routes::*`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::routes::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/models.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PlayerAction`
[INFO] [stdout]   --> src/handlers.rs:10:46
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::models::{Connection, UserRequest, PlayerAction, ServerResponse, ResponseType, ResponseValue, InternalRequest, IntReqType, IntR...
[INFO] [stdout]    |                                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Distribution` and `Uniform`
[INFO] [stdout]  --> src/test.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::distributions::{Distribution, Uniform};
[INFO] [stdout]   |                           ^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Arc`
[INFO] [stdout]  --> src/main.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::{Arc, RwLock};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::routes::*`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::routes::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SinkExt`
[INFO] [stdout]  --> src/handlers.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures::{FutureExt, StreamExt, SinkExt};
[INFO] [stdout]   |                                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/test.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut cards: Vec<Card> = vec![
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/test.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut cards_2 = vec![];
[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/test.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut merged = cards.iter().chain(cards_2.iter()).cloned().collect::<Vec<Card>>();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `room_id` is never read
[INFO] [stdout]   --> src/models.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Connection {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 27 |     pub room_id: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/models.rs:744:12
[INFO] [stdout]     |
[INFO] [stdout] 743 | impl Card {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] 744 |     pub fn new(card_type: CardType, number: u8) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `manual_comb_test` is never used
[INFO] [stdout]   --> src/test.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn manual_comb_test() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rand_comb_test` is never used
[INFO] [stdout]   --> src/test.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn rand_comb_test() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SinkExt`
[INFO] [stdout]  --> src/handlers.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures::{FutureExt, StreamExt, SinkExt};
[INFO] [stdout]   |                                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<impl Reply, Infallible>
[INFO] [stdout]   --> src/handlers.rs:15:100
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub async fn create_handler(ws: warp::ws::Ws, conn: Connections) -> Result<impl Reply, Infallible> {
[INFO] [stdout]    |  ____________________________________________________________________________________________________^
[INFO] [stdout] 16 | |     Ok( ws.on_upgrade(move |ws| create(ws, conn) ))
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<impl Reply, Infallible>
[INFO] [stdout]   --> src/handlers.rs:15:100
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub async fn create_handler(ws: warp::ws::Ws, conn: Connections) -> Result<impl Reply, Infallible> {
[INFO] [stdout]    |  ____________________________________________________________________________________________________^
[INFO] [stdout] 16 | |     Ok( ws.on_upgrade(move |ws| create(ws, conn) ))
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<impl Reply, Infallible>
[INFO] [stdout]   --> src/handlers.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Ok( ws.on_upgrade(move |ws| create(ws, conn) ))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<impl Reply, Infallible>
[INFO] [stdout]   --> src/handlers.rs:19:114
[INFO] [stdout]    |
[INFO] [stdout] 19 |   pub async fn join_handler(ws: warp::ws::Ws, room_id: String,conn: Connections) -> Result<impl Reply, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________________________________________________^
[INFO] [stdout] 20 | |     Ok( ws.on_upgrade(move |ws| join(ws, room_id, conn) ))
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<impl Reply, Infallible>
[INFO] [stdout]   --> src/handlers.rs:19:114
[INFO] [stdout]    |
[INFO] [stdout] 19 |   pub async fn join_handler(ws: warp::ws::Ws, room_id: String,conn: Connections) -> Result<impl Reply, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________________________________________________^
[INFO] [stdout] 20 | |     Ok( ws.on_upgrade(move |ws| join(ws, room_id, conn) ))
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<impl Reply, Infallible>
[INFO] [stdout]   --> src/handlers.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Ok( ws.on_upgrade(move |ws| join(ws, room_id, conn) ))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/handlers.rs:184:44
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 let room_id_clone = room_id.clone().to_string();
[INFO] [stdout]     |                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `card_server` (bin "card_server") due to 6 previous errors; 14 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/test.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut cards: Vec<Card> = vec![
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/test.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut cards_2 = vec![];
[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/test.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut merged = cards.iter().chain(cards_2.iter()).cloned().collect::<Vec<Card>>();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `room_id` is never read
[INFO] [stdout]   --> src/models.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Connection {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 27 |     pub room_id: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/models.rs:744:12
[INFO] [stdout]     |
[INFO] [stdout] 743 | impl Card {
[INFO] [stdout]     | --------- associated function in this implementation
[INFO] [stdout] 744 |     pub fn new(card_type: CardType, number: u8) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `manual_comb_test` is never used
[INFO] [stdout]   --> src/test.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn manual_comb_test() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<impl Reply, Infallible>
[INFO] [stdout]   --> src/handlers.rs:15:100
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub async fn create_handler(ws: warp::ws::Ws, conn: Connections) -> Result<impl Reply, Infallible> {
[INFO] [stdout]    |  ____________________________________________________________________________________________________^
[INFO] [stdout] 16 | |     Ok( ws.on_upgrade(move |ws| create(ws, conn) ))
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<impl Reply, Infallible>
[INFO] [stdout]   --> src/handlers.rs:15:100
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub async fn create_handler(ws: warp::ws::Ws, conn: Connections) -> Result<impl Reply, Infallible> {
[INFO] [stdout]    |  ____________________________________________________________________________________________________^
[INFO] [stdout] 16 | |     Ok( ws.on_upgrade(move |ws| create(ws, conn) ))
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<impl Reply, Infallible>
[INFO] [stdout]   --> src/handlers.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Ok( ws.on_upgrade(move |ws| create(ws, conn) ))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<impl Reply, Infallible>
[INFO] [stdout]   --> src/handlers.rs:19:114
[INFO] [stdout]    |
[INFO] [stdout] 19 |   pub async fn join_handler(ws: warp::ws::Ws, room_id: String,conn: Connections) -> Result<impl Reply, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________________________________________________^
[INFO] [stdout] 20 | |     Ok( ws.on_upgrade(move |ws| join(ws, room_id, conn) ))
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<impl Reply, Infallible>
[INFO] [stdout]   --> src/handlers.rs:19:114
[INFO] [stdout]    |
[INFO] [stdout] 19 |   pub async fn join_handler(ws: warp::ws::Ws, room_id: String,conn: Connections) -> Result<impl Reply, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________________________________________________^
[INFO] [stdout] 20 | |     Ok( ws.on_upgrade(move |ws| join(ws, room_id, conn) ))
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<impl Reply, Infallible>
[INFO] [stdout]   --> src/handlers.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Ok( ws.on_upgrade(move |ws| join(ws, room_id, conn) ))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/handlers.rs:184:44
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 let room_id_clone = room_id.clone().to_string();
[INFO] [stdout]     |                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `card_server` (bin "card_server" test) due to 6 previous errors; 13 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ea251e231620cc429645e58b8b7fc7edfc2a9f437d7cffcd0faf82ca92c80c4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea251e231620cc429645e58b8b7fc7edfc2a9f437d7cffcd0faf82ca92c80c4c", kill_on_drop: false }`
[INFO] [stdout] ea251e231620cc429645e58b8b7fc7edfc2a9f437d7cffcd0faf82ca92c80c4c
