[INFO] cloning repository https://github.com/Aidan-Chelig/craps
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aidan-Chelig/craps" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAidan-Chelig%2Fcraps", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAidan-Chelig%2Fcraps'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0d20ebf91476d7a0ca2dc2b6975de61882add20
[INFO] testing Aidan-Chelig/craps against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAidan-Chelig%2Fcraps" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Aidan-Chelig/craps
[INFO] finished tweaking git repo https://github.com/Aidan-Chelig/craps
[INFO] tweaked toml for git repo https://github.com/Aidan-Chelig/craps written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Aidan-Chelig/craps on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Aidan-Chelig/craps 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.tracing-subscriber.feature
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-core v0.1.19
[INFO] [stderr]   Downloaded tracing-serde v0.1.2
[INFO] [stderr]   Downloaded tracing v0.1.26
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[INFO] [stderr]   Downloaded crypto-bigint v0.2.4
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 154c6b3871ccff88de559f0772eb6f971749bfb000d24c1e6933a73ba8e31522
[INFO] running `Command { std: "docker" "start" "-a" "154c6b3871ccff88de559f0772eb6f971749bfb000d24c1e6933a73ba8e31522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "154c6b3871ccff88de559f0772eb6f971749bfb000d24c1e6933a73ba8e31522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "154c6b3871ccff88de559f0772eb6f971749bfb000d24c1e6933a73ba8e31522", kill_on_drop: false }`
[INFO] [stdout] 154c6b3871ccff88de559f0772eb6f971749bfb000d24c1e6933a73ba8e31522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 795e45de6144d36bbc9f94a76d539cc505296a207a445658493978c621efe391
[INFO] running `Command { std: "docker" "start" "-a" "795e45de6144d36bbc9f94a76d539cc505296a207a445658493978c621efe391", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.tracing-subscriber.feature
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.75
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[INFO] [stderr]    Compiling parking_lot_core v0.8.5
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[INFO] [stderr]    Compiling cpufeatures v0.2.1
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[INFO] [stderr]    Compiling tower-service v0.3.1
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[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling tracing-serde v0.1.2
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[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling integer-encoding v1.1.7
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[INFO] [stderr]    Compiling elliptic-curve v0.10.6
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
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[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling sync_wrapper v0.1.1
[INFO] [stderr]    Compiling ecdsa v0.12.4
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling pub-sub v2.0.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.28
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling thiserror v1.0.28
[INFO] [stderr]    Compiling tungstenite v0.14.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tracing-subscriber v0.2.20
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling tracing-tracy v0.7.0
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling tower v0.4.8
[INFO] [stderr]    Compiling opentelemetry v0.16.0
[INFO] [stderr]    Compiling tokio-tungstenite v0.15.0
[INFO] [stderr]    Compiling tower-http v0.1.1
[INFO] [stderr]    Compiling opentelemetry-semantic-conventions v0.8.0
[INFO] [stderr]    Compiling opentelemetry-jaeger v0.15.0
[INFO] [stderr]    Compiling hyper v0.14.12
[INFO] [stderr]    Compiling tracing-opentelemetry v0.15.0
[INFO] [stderr]    Compiling opentelemetry-prometheus v0.9.0
[INFO] [stderr]    Compiling axum v0.2.3
[INFO] [stderr]    Compiling craps v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `pin`, `runtime`, and `select`
[INFO] [stdout]  --> src/main.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio::{pin, runtime, select};
[INFO] [stdout]   |             ^^^  ^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Counter`, `Encoder`, `Opts`, and `TextEncoder`
[INFO] [stdout]  --> src/main.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | use prometheus::{Opts, Counter, TextEncoder, Encoder, Gauge, IntGauge, register_int_gauge, register_gauge};
[INFO] [stdout]   |                  ^^^^  ^^^^^^^  ^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]   --> src/main.rs:11:47
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tracing::{span, Level, instrument, event, error};
[INFO] [stdout]    |                                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Level` and `span`
[INFO] [stdout]  --> src/game/game.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tracing::{span, Level, instrument, event};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/game/game.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`, and `unbounded`
[INFO] [stdout]  --> src/game/user.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossbeam_channel::{unbounded, Receiver, Sender};
[INFO] [stdout]   |                         ^^^^^^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]    --> src/main.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |     let mut rx = state.tx.clone();
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[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:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let mut user: User;
[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:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     let mut rx = state.tx.clone();
[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:141:24
[INFO] [stdout]     |
[INFO] [stdout] 141 | async fn handle_socket(mut socket: WebSocket, state: Arc<GameState>) {
[INFO] [stdout]     |                        ----^^^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exporter`
[INFO] [stdout]   --> src/main.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let exporter = setup_tracing().await;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exporter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `counter`
[INFO] [stdout]   --> src/main.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let counter = meter
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]   --> src/game/game.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Result<T> = std::result::Result<T, Box<dyn std::error::Error + Send + Sync>>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `started`, `users`, and `channel` are never read
[INFO] [stdout]   --> src/game/game.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Game {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 15 |     started: Instant,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 16 |     users: Mutex<HashMap<Uuid, super::user::User>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 17 |     // the receiver we give to every user upon creation
[INFO] [stdout] 18 |     channel: (Sender<String>, Receiver<String>),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Game` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `game` is never read
[INFO] [stdout]   --> src/game/game.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct GameState {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     game: Arc<Mutex<Game>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GameState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `uuid`, `nick`, and `hb` are never read
[INFO] [stdout]   --> src/game/user.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct User {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 7  |     //wallet_address: VerifyingKey,
[INFO] [stdout] 8  |     pub uuid: Uuid,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 9  |     pub nick: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 10 |     hb: Instant,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `handle_socket` is never used
[INFO] [stdout]   --> src/game/user.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl User {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub async fn handle_socket() {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CrapsMessage` is never constructed
[INFO] [stdout]  --> src/game/craps_messages.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct CrapsMessage {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6m 27s
[INFO] running `Command { std: "docker" "inspect" "795e45de6144d36bbc9f94a76d539cc505296a207a445658493978c621efe391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795e45de6144d36bbc9f94a76d539cc505296a207a445658493978c621efe391", kill_on_drop: false }`
[INFO] [stdout] 795e45de6144d36bbc9f94a76d539cc505296a207a445658493978c621efe391
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd75bdf3c439ae195c5ce15d6a44d4695105c0108247ebd63d80aeb9f756fdcc
[INFO] running `Command { std: "docker" "start" "-a" "bd75bdf3c439ae195c5ce15d6a44d4695105c0108247ebd63d80aeb9f756fdcc", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.tracing-subscriber.feature
[INFO] [stderr]    Compiling craps v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `pin`, `runtime`, and `select`
[INFO] [stdout]  --> src/main.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio::{pin, runtime, select};
[INFO] [stdout]   |             ^^^  ^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Counter`, `Encoder`, `Opts`, and `TextEncoder`
[INFO] [stdout]  --> src/main.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | use prometheus::{Opts, Counter, TextEncoder, Encoder, Gauge, IntGauge, register_int_gauge, register_gauge};
[INFO] [stdout]   |                  ^^^^  ^^^^^^^  ^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]   --> src/main.rs:11:47
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tracing::{span, Level, instrument, event, error};
[INFO] [stdout]    |                                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Level` and `span`
[INFO] [stdout]  --> src/game/game.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tracing::{span, Level, instrument, event};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/game/game.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver`, `Sender`, and `unbounded`
[INFO] [stdout]  --> src/game/user.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossbeam_channel::{unbounded, Receiver, Sender};
[INFO] [stdout]   |                         ^^^^^^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx`
[INFO] [stdout]    --> src/main.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |     let mut rx = state.tx.clone();
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[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:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |     let mut user: User;
[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:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     let mut rx = state.tx.clone();
[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:141:24
[INFO] [stdout]     |
[INFO] [stdout] 141 | async fn handle_socket(mut socket: WebSocket, state: Arc<GameState>) {
[INFO] [stdout]     |                        ----^^^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exporter`
[INFO] [stdout]   --> src/main.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let exporter = setup_tracing().await;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exporter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `counter`
[INFO] [stdout]   --> src/main.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let counter = meter
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]   --> src/game/game.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Result<T> = std::result::Result<T, Box<dyn std::error::Error + Send + Sync>>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `started`, `users`, and `channel` are never read
[INFO] [stdout]   --> src/game/game.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Game {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 15 |     started: Instant,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 16 |     users: Mutex<HashMap<Uuid, super::user::User>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 17 |     // the receiver we give to every user upon creation
[INFO] [stdout] 18 |     channel: (Sender<String>, Receiver<String>),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Game` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `game` is never read
[INFO] [stdout]   --> src/game/game.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct GameState {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     game: Arc<Mutex<Game>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GameState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `uuid`, `nick`, and `hb` are never read
[INFO] [stdout]   --> src/game/user.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct User {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 7  |     //wallet_address: VerifyingKey,
[INFO] [stdout] 8  |     pub uuid: Uuid,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 9  |     pub nick: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 10 |     hb: Instant,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `handle_socket` is never used
[INFO] [stdout]   --> src/game/user.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl User {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub async fn handle_socket() {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CrapsMessage` is never constructed
[INFO] [stdout]  --> src/game/craps_messages.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct CrapsMessage {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "bd75bdf3c439ae195c5ce15d6a44d4695105c0108247ebd63d80aeb9f756fdcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd75bdf3c439ae195c5ce15d6a44d4695105c0108247ebd63d80aeb9f756fdcc", kill_on_drop: false }`
[INFO] [stdout] bd75bdf3c439ae195c5ce15d6a44d4695105c0108247ebd63d80aeb9f756fdcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 44dd5d394b6ebb8878ea3130af887b6208a1689ea89096ce06a6fcff5f5d4852
[INFO] running `Command { std: "docker" "start" "-a" "44dd5d394b6ebb8878ea3130af887b6208a1689ea89096ce06a6fcff5f5d4852", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.tracing-subscriber.feature
[INFO] [stderr] warning: unused imports: `pin`, `runtime`, and `select`
[INFO] [stderr]  --> src/main.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | use tokio::{pin, runtime, select};
[INFO] [stderr]   |             ^^^  ^^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Counter`, `Encoder`, `Opts`, and `TextEncoder`
[INFO] [stderr]  --> src/main.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | use prometheus::{Opts, Counter, TextEncoder, Encoder, Gauge, IntGauge, register_int_gauge, register_gauge};
[INFO] [stderr]   |                  ^^^^  ^^^^^^^  ^^^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error`
[INFO] [stderr]   --> src/main.rs:11:47
[INFO] [stderr]    |
[INFO] [stderr] 11 | use tracing::{span, Level, instrument, event, error};
[INFO] [stderr]    |                                               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Level` and `span`
[INFO] [stderr]  --> src/game/game.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use tracing::{span, Level, instrument, event};
[INFO] [stderr]   |               ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/game/game.rs:4:33
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Receiver`, `Sender`, and `unbounded`
[INFO] [stderr]  --> src/game/user.rs:2:25
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crossbeam_channel::{unbounded, Receiver, Sender};
[INFO] [stderr]   |                         ^^^^^^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rx`
[INFO] [stderr]    --> src/main.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |     let mut rx = state.tx.clone();
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_rx`
[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:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |     let mut user: User;
[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:147:9
[INFO] [stderr]     |
[INFO] [stderr] 147 |     let mut rx = state.tx.clone();
[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:141:24
[INFO] [stderr]     |
[INFO] [stderr] 141 | async fn handle_socket(mut socket: WebSocket, state: Arc<GameState>) {
[INFO] [stderr]     |                        ----^^^^^^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `exporter`
[INFO] [stderr]   --> src/main.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |     let exporter = setup_tracing().await;
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exporter`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `counter`
[INFO] [stderr]   --> src/main.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let counter = meter
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Result` is never used
[INFO] [stderr]   --> src/game/game.rs:11:6
[INFO] [stderr]    |
[INFO] [stderr] 11 | type Result<T> = std::result::Result<T, Box<dyn std::error::Error + Send + Sync>>;
[INFO] [stderr]    |      ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `started`, `users`, and `channel` are never read
[INFO] [stderr]   --> src/game/game.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct Game {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr] 15 |     started: Instant,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 16 |     users: Mutex<HashMap<Uuid, super::user::User>>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 17 |     // the receiver we give to every user upon creation
[INFO] [stderr] 18 |     channel: (Sender<String>, Receiver<String>),
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Game` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `game` is never read
[INFO] [stderr]   --> src/game/game.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub struct GameState {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 38 |     game: Arc<Mutex<Game>>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `GameState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `uuid`, `nick`, and `hb` are never read
[INFO] [stderr]   --> src/game/user.rs:8:9
[INFO] [stderr]    |
[INFO] [stderr] 6  | pub struct User {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr] 7  |     //wallet_address: VerifyingKey,
[INFO] [stderr] 8  |     pub uuid: Uuid,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 9  |     pub nick: String,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 10 |     hb: Instant,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `handle_socket` is never used
[INFO] [stderr]   --> src/game/user.rs:22:18
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl User {
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 22 |     pub async fn handle_socket() {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CrapsMessage` is never constructed
[INFO] [stderr]  --> src/game/craps_messages.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct CrapsMessage {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `craps` (bin "craps" test) generated 18 warnings (run `cargo fix --bin "craps" --tests` to apply 9 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/craps-53d3c9469a11715c)
[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" "44dd5d394b6ebb8878ea3130af887b6208a1689ea89096ce06a6fcff5f5d4852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44dd5d394b6ebb8878ea3130af887b6208a1689ea89096ce06a6fcff5f5d4852", kill_on_drop: false }`
[INFO] [stdout] 44dd5d394b6ebb8878ea3130af887b6208a1689ea89096ce06a6fcff5f5d4852
