[INFO] cloning repository https://github.com/wildonion/redis4 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wildonion/redis4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwildonion%2Fredis4", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwildonion%2Fredis4'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bbb1391d2efc7d1cc148dfe6d2e261e2de683909 [INFO] testing wildonion/redis4 against 1.99.0-beta.8 for beta-1.100-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwildonion%2Fredis4" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/wildonion/redis4 [INFO] finished tweaking git repo https://github.com/wildonion/redis4 [INFO] tweaked toml for git repo https://github.com/wildonion/redis4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/wildonion/redis4 on toolchain 1.99.0-beta.8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/wildonion/redis4 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded uuid v1.3.4 [INFO] [stderr] Downloaded proc-macro2 v1.0.59 [INFO] [stderr] Downloaded crc16 v0.4.0 [INFO] [stderr] Downloaded async-trait v0.1.68 [INFO] [stderr] Downloaded env_logger v0.10.0 [INFO] [stderr] Downloaded once_cell v1.17.2 [INFO] [stderr] Downloaded log v0.4.18 [INFO] [stderr] Downloaded serde_derive v1.0.163 [INFO] [stderr] Downloaded serde v1.0.163 [INFO] [stderr] Downloaded url v2.4.0 [INFO] [stderr] Downloaded redis v0.23.0 [INFO] [stderr] Downloaded aho-corasick v1.0.2 [INFO] [stderr] Downloaded regex v1.8.4 [INFO] [stderr] Downloaded regex-syntax v0.7.2 [INFO] [stderr] Downloaded tokio v1.28.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] f12dec29701a62e2aa09f3937d58b8f338652cdbe90641d5abd1e005a6d9a4b1 [INFO] running `Command { std: "docker" "start" "f12dec29701a62e2aa09f3937d58b8f338652cdbe90641d5abd1e005a6d9a4b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f12dec29701a62e2aa09f3937d58b8f338652cdbe90641d5abd1e005a6d9a4b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f12dec29701a62e2aa09f3937d58b8f338652cdbe90641d5abd1e005a6d9a4b1" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f12dec29701a62e2aa09f3937d58b8f338652cdbe90641d5abd1e005a6d9a4b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f12dec29701a62e2aa09f3937d58b8f338652cdbe90641d5abd1e005a6d9a4b1" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.144 [INFO] [stderr] Compiling proc-macro2 v1.0.59 [INFO] [stderr] Compiling unicode-ident v1.0.9 [INFO] [stderr] Compiling quote v1.0.28 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling futures-sink v0.3.28 [INFO] [stderr] Compiling parking_lot_core v0.9.7 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling log v0.4.18 [INFO] [stderr] Compiling tokio v1.28.2 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling once_cell v1.17.2 [INFO] [stderr] Compiling serde v1.0.163 [INFO] [stderr] Compiling aho-corasick v1.0.2 [INFO] [stderr] Compiling tracing-core v0.1.31 [INFO] [stderr] Compiling rustix v0.37.20 [INFO] [stderr] Compiling bytes v1.4.0 [INFO] [stderr] Compiling futures-io v0.3.28 [INFO] [stderr] Compiling regex-syntax v0.7.2 [INFO] [stderr] Compiling unicode-normalization v0.1.22 [INFO] [stderr] Compiling syn v2.0.18 [INFO] [stderr] Compiling tracing v0.1.37 [INFO] [stderr] Compiling unicode-bidi v0.3.13 [INFO] [stderr] Compiling serde_json v1.0.96 [INFO] [stderr] Compiling crc16 v0.4.0 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling percent-encoding v2.3.0 [INFO] [stderr] Compiling async-trait v0.1.68 [INFO] [stderr] Compiling termcolor v1.2.0 [INFO] [stderr] Compiling linux-raw-sys v0.3.8 [INFO] [stderr] Compiling idna v0.4.0 [INFO] [stderr] Compiling getrandom v0.2.9 [INFO] [stderr] Compiling mio v0.8.8 [INFO] [stderr] Compiling num_cpus v1.15.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling form_urlencoded v1.2.0 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling itoa v1.0.6 [INFO] [stderr] Compiling ryu v1.0.13 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling url v2.4.0 [INFO] [stderr] Compiling regex v1.8.4 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling is-terminal v0.4.7 [INFO] [stderr] Compiling env_logger v0.10.0 [INFO] [stderr] Compiling pretty_env_logger v0.4.0 [INFO] [stderr] Compiling serde_derive v1.0.163 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling futures-executor v0.3.28 [INFO] [stderr] Compiling futures v0.3.28 [INFO] [stderr] Compiling tokio-util v0.7.8 [INFO] [stderr] Compiling uuid v1.3.4 [INFO] [stderr] Compiling combine v4.6.6 [INFO] [stderr] Compiling redis v0.23.0 [INFO] [stderr] Compiling s4 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `RngCore` [INFO] [stdout] --> src/main.rs:7:30 [INFO] [stdout] | [INFO] [stdout] 7 | use rand::{Rng, SeedableRng, RngCore}; [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: `rand_core` [INFO] [stdout] --> src/main.rs:8:19 [INFO] [stdout] | [INFO] [stdout] 8 | use rand_chacha::{rand_core, ChaCha12Rng}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::StreamExt` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use futures::StreamExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::*` [INFO] [stdout] --> src/rca.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::rca::*` [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | use crate::rca::*; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/s4.rs:151:29 [INFO] [stdout] | [INFO] [stdout] 151 | let mut data_ = Arc::new(tokio::sync::Mutex::new(data)); [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/s4.rs:57:33 [INFO] [stdout] | [INFO] [stdout] 57 | pub async fn start_server(mut api: F, redis_pubsub_msg_sender: tokio::sync::mpsc::Sender, redis_client: redis::Client)... [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/s4.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | let mut rand_generator = Arc::new(tokio::sync::Mutex::new(ChaCha12Rng::from_entropy())); [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/s4.rs:69:29 [INFO] [stdout] | [INFO] [stdout] 69 | let (mutex_data_sender, mut mutex_data_receiver) = tokio::sync::mpsc::channel::(SHARDS as usize); [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/s4.rs:70:10 [INFO] [stdout] | [INFO] [stdout] 70 | let (mut map_shards_sender, mut map_shards_receiver) = tokio::sync::broadcast::channel::>>>(SHARD... [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/s4.rs:70:33 [INFO] [stdout] | [INFO] [stdout] 70 | let (mut map_shards_sender, mut map_shards_receiver) = tokio::sync::broadcast::channel::>>>(SHARD... [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/s4.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | let mut mutex_data_sender = mutex_data_sender.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/s4.rs:190:25 [INFO] [stdout] | [INFO] [stdout] 190 | if let Some(mut d) = data{ [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/s4.rs:283:25 [INFO] [stdout] | [INFO] [stdout] 283 | let mut rng = generator.lock().await; [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/rca.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let mut data_instance = Data::{ [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/s4.rs:169:25 [INFO] [stdout] | [INFO] [stdout] 169 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/s4.rs:174:36 [INFO] [stdout] | [INFO] [stdout] 174 | if let Err(e) = stream.shutdown().await{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/s4.rs:100:35 [INFO] [stdout] | [INFO] [stdout] 100 | while let Ok((mut stream, addr)) = listener.accept().await{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/s4.rs:295:21 [INFO] [stdout] | [INFO] [stdout] 295 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/main.rs:84:23 [INFO] [stdout] | [INFO] [stdout] 84 | start_server(|req, res| async move{ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/main.rs:84:28 [INFO] [stdout] | [INFO] [stdout] 84 | start_server(|req, res| async move{ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/main.rs:53:24 [INFO] [stdout] | [INFO] [stdout] 53 | while let Some(data) = redis_pubsubs_msg_receiver.recv().await{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `race_condition_avoidance` is never used [INFO] [stdout] --> src/rca.rs:5:14 [INFO] [stdout] | [INFO] [stdout] 5 | pub async fn race_condition_avoidance(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/s4.rs:148:25 [INFO] [stdout] | [INFO] [stdout] 148 | redis_pubsub_msg_sender.send(string_data.clone()).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 148 | let _ = redis_pubsub_msg_sender.send(string_data.clone()).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 07s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.23.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5` [INFO] running `Command { std: "docker" "inspect" "f12dec29701a62e2aa09f3937d58b8f338652cdbe90641d5abd1e005a6d9a4b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f12dec29701a62e2aa09f3937d58b8f338652cdbe90641d5abd1e005a6d9a4b1" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling s4 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `RngCore` [INFO] [stdout] --> src/main.rs:7:30 [INFO] [stdout] | [INFO] [stdout] 7 | use rand::{Rng, SeedableRng, RngCore}; [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: `rand_core` [INFO] [stdout] --> src/main.rs:8:19 [INFO] [stdout] | [INFO] [stdout] 8 | use rand_chacha::{rand_core, ChaCha12Rng}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::StreamExt` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use futures::StreamExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::*` [INFO] [stdout] --> src/rca.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::rca::*` [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | use crate::rca::*; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/s4.rs:151:29 [INFO] [stdout] | [INFO] [stdout] 151 | let mut data_ = Arc::new(tokio::sync::Mutex::new(data)); [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/s4.rs:57:33 [INFO] [stdout] | [INFO] [stdout] 57 | pub async fn start_server(mut api: F, redis_pubsub_msg_sender: tokio::sync::mpsc::Sender, redis_client: redis::Client)... [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/s4.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | let mut rand_generator = Arc::new(tokio::sync::Mutex::new(ChaCha12Rng::from_entropy())); [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/s4.rs:69:29 [INFO] [stdout] | [INFO] [stdout] 69 | let (mutex_data_sender, mut mutex_data_receiver) = tokio::sync::mpsc::channel::(SHARDS as usize); [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/s4.rs:70:10 [INFO] [stdout] | [INFO] [stdout] 70 | let (mut map_shards_sender, mut map_shards_receiver) = tokio::sync::broadcast::channel::>>>(SHARD... [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/s4.rs:70:33 [INFO] [stdout] | [INFO] [stdout] 70 | let (mut map_shards_sender, mut map_shards_receiver) = tokio::sync::broadcast::channel::>>>(SHARD... [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/s4.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | let mut mutex_data_sender = mutex_data_sender.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/s4.rs:190:25 [INFO] [stdout] | [INFO] [stdout] 190 | if let Some(mut d) = data{ [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/s4.rs:283:25 [INFO] [stdout] | [INFO] [stdout] 283 | let mut rng = generator.lock().await; [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/rca.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let mut data_instance = Data::{ [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/s4.rs:169:25 [INFO] [stdout] | [INFO] [stdout] 169 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/s4.rs:174:36 [INFO] [stdout] | [INFO] [stdout] 174 | if let Err(e) = stream.shutdown().await{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/s4.rs:100:35 [INFO] [stdout] | [INFO] [stdout] 100 | while let Ok((mut stream, addr)) = listener.accept().await{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/s4.rs:295:21 [INFO] [stdout] | [INFO] [stdout] 295 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/main.rs:84:23 [INFO] [stdout] | [INFO] [stdout] 84 | start_server(|req, res| async move{ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/main.rs:84:28 [INFO] [stdout] | [INFO] [stdout] 84 | start_server(|req, res| async move{ [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/main.rs:53:24 [INFO] [stdout] | [INFO] [stdout] 53 | while let Some(data) = redis_pubsubs_msg_receiver.recv().await{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `race_condition_avoidance` is never used [INFO] [stdout] --> src/rca.rs:5:14 [INFO] [stdout] | [INFO] [stdout] 5 | pub async fn race_condition_avoidance(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/s4.rs:148:25 [INFO] [stdout] | [INFO] [stdout] 148 | redis_pubsub_msg_sender.send(string_data.clone()).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 148 | let _ = redis_pubsub_msg_sender.send(string_data.clone()).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.16s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.23.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5` [INFO] running `Command { std: "docker" "inspect" "f12dec29701a62e2aa09f3937d58b8f338652cdbe90641d5abd1e005a6d9a4b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f12dec29701a62e2aa09f3937d58b8f338652cdbe90641d5abd1e005a6d9a4b1" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `RngCore` [INFO] [stderr] --> src/main.rs:7:30 [INFO] [stderr] | [INFO] [stderr] 7 | use rand::{Rng, SeedableRng, RngCore}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand_core` [INFO] [stderr] --> src/main.rs:8:19 [INFO] [stderr] | [INFO] [stderr] 8 | use rand_chacha::{rand_core, ChaCha12Rng}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `futures::StreamExt` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use futures::StreamExt; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::*` [INFO] [stderr] --> src/rca.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::rca::*` [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | use crate::rca::*; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/s4.rs:151:29 [INFO] [stderr] | [INFO] [stderr] 151 | let mut data_ = Arc::new(tokio::sync::Mutex::new(data)); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/s4.rs:57:33 [INFO] [stderr] | [INFO] [stderr] 57 | pub async fn start_server(mut api: F, redis_pubsub_msg_sender: tokio::sync::mpsc::Sender, redis_client: redis::Client)... [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/s4.rs:68:9 [INFO] [stderr] | [INFO] [stderr] 68 | let mut rand_generator = Arc::new(tokio::sync::Mutex::new(ChaCha12Rng::from_entropy())); [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/s4.rs:69:29 [INFO] [stderr] | [INFO] [stderr] 69 | let (mutex_data_sender, mut mutex_data_receiver) = tokio::sync::mpsc::channel::(SHARDS as usize); [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/s4.rs:70:10 [INFO] [stderr] | [INFO] [stderr] 70 | let (mut map_shards_sender, mut map_shards_receiver) = tokio::sync::broadcast::channel::>>>(SHARD... [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/s4.rs:70:33 [INFO] [stderr] | [INFO] [stderr] 70 | let (mut map_shards_sender, mut map_shards_receiver) = tokio::sync::broadcast::channel::>>>(SHARD... [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/s4.rs:74:9 [INFO] [stderr] | [INFO] [stderr] 74 | let mut mutex_data_sender = mutex_data_sender.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/s4.rs:190:25 [INFO] [stderr] | [INFO] [stderr] 190 | if let Some(mut d) = data{ [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/s4.rs:283:25 [INFO] [stderr] | [INFO] [stderr] 283 | let mut rng = generator.lock().await; [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/rca.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | let mut data_instance = Data::{ [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/s4.rs:169:25 [INFO] [stderr] | [INFO] [stderr] 169 | Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/s4.rs:174:36 [INFO] [stderr] | [INFO] [stderr] 174 | if let Err(e) = stream.shutdown().await{ [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `addr` [INFO] [stderr] --> src/s4.rs:100:35 [INFO] [stderr] | [INFO] [stderr] 100 | while let Ok((mut stream, addr)) = listener.accept().await{ [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/s4.rs:295:21 [INFO] [stderr] | [INFO] [stderr] 295 | Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `req` [INFO] [stderr] --> src/main.rs:84:23 [INFO] [stderr] | [INFO] [stderr] 84 | start_server(|req, res| async move{ [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `res` [INFO] [stderr] --> src/main.rs:84:28 [INFO] [stderr] | [INFO] [stderr] 84 | start_server(|req, res| async move{ [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/main.rs:53:24 [INFO] [stderr] | [INFO] [stderr] 53 | while let Some(data) = redis_pubsubs_msg_receiver.recv().await{ [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: function `race_condition_avoidance` is never used [INFO] [stderr] --> src/rca.rs:5:14 [INFO] [stderr] | [INFO] [stderr] 5 | pub async fn race_condition_avoidance(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/s4.rs:148:25 [INFO] [stderr] | [INFO] [stderr] 148 | redis_pubsub_msg_sender.send(string_data.clone()).await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 148 | let _ = redis_pubsub_msg_sender.send(string_data.clone()).await; [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `s4` (bin "s4" test) generated 24 warnings (run `cargo fix --bin "s4" -p s4 --tests` to apply 22 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.23.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5` [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/s4-702efbc991abd18c) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f12dec29701a62e2aa09f3937d58b8f338652cdbe90641d5abd1e005a6d9a4b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f12dec29701a62e2aa09f3937d58b8f338652cdbe90641d5abd1e005a6d9a4b1", kill_on_drop: false }` [INFO] [stdout] f12dec29701a62e2aa09f3937d58b8f338652cdbe90641d5abd1e005a6d9a4b1