[INFO] cloning repository https://github.com/dialMForMonkey/playground_kafka_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dialMForMonkey/playground_kafka_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdialMForMonkey%2Fplayground_kafka_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdialMForMonkey%2Fplayground_kafka_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e2f16baf7c6aa3ded956808d99acb1f44c91f817 [INFO] testing dialMForMonkey/playground_kafka_rust against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdialMForMonkey%2Fplayground_kafka_rust" "/workspace/builds/worker-89/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-89/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dialMForMonkey/playground_kafka_rust on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dialMForMonkey/playground_kafka_rust [INFO] finished tweaking git repo https://github.com/dialMForMonkey/playground_kafka_rust [INFO] tweaked toml for git repo https://github.com/dialMForMonkey/playground_kafka_rust written to /workspace/builds/worker-89/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cbf9640e12448daf3e5a21a5ab112ae07c51ae6bc633f0195a2578c8d46dfc97 [INFO] running `Command { std: "docker" "start" "-a" "cbf9640e12448daf3e5a21a5ab112ae07c51ae6bc633f0195a2578c8d46dfc97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cbf9640e12448daf3e5a21a5ab112ae07c51ae6bc633f0195a2578c8d46dfc97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbf9640e12448daf3e5a21a5ab112ae07c51ae6bc633f0195a2578c8d46dfc97", kill_on_drop: false }` [INFO] [stdout] cbf9640e12448daf3e5a21a5ab112ae07c51ae6bc633f0195a2578c8d46dfc97 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] db980e56421c15a62c2082bbcf852bcd5bd10da8a3ce6168a6d8693341c259ec [INFO] running `Command { std: "docker" "start" "-a" "db980e56421c15a62c2082bbcf852bcd5bd10da8a3ce6168a6d8693341c259ec", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling libc v0.2.123 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling pin-project-lite v0.2.8 [INFO] [stderr] Compiling futures-sink v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling parking_lot_core v0.9.2 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Compiling slab v0.4.6 [INFO] [stderr] Compiling futures-io v0.3.21 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling once_cell v1.10.0 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling cmake v0.1.48 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling libz-sys v1.1.5 [INFO] [stderr] Compiling rdkafka-sys v3.0.0+1.6.0 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling mio v0.8.2 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling socket2 v0.4.4 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling getrandom v0.2.6 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling parking_lot v0.12.0 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling tokio v1.17.0 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling futures-executor v0.3.21 [INFO] [stderr] Compiling futures v0.3.21 [INFO] [stderr] Compiling toml v0.5.9 [INFO] [stderr] Compiling proc-macro-crate v1.1.3 [INFO] [stderr] Compiling num_enum_derive v0.5.7 [INFO] [stderr] Compiling num_enum v0.5.7 [INFO] [stderr] Compiling rdkafka v0.25.0 [INFO] [stderr] Compiling kfk v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `BorrowedMessage` [INFO] [stdout] --> src/kafka/message.rs:5:38 [INFO] [stdout] | [INFO] [stdout] 5 | use rdkafka::message::{OwnedHeaders, BorrowedMessage}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TryStream` [INFO] [stdout] --> src/kafka/message.rs:7:26 [INFO] [stdout] | [INFO] [stdout] 7 | use futures::{StreamExt, TryStream}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::stream::FuturesUnordered` [INFO] [stdout] --> src/kafka/message.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use futures::stream::FuturesUnordered; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `KafkaError` [INFO] [stdout] --> src/kafka/message.rs:10:35 [INFO] [stdout] | [INFO] [stdout] 10 | use rdkafka::error::{KafkaResult, KafkaError}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Context`, `Timestamp` [INFO] [stdout] --> src/main.rs:7:16 [INFO] [stdout] | [INFO] [stdout] 7 | use uuid::v1::{Context, Timestamp}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/kafka/message.rs:105:49 [INFO] [stdout] | [INFO] [stdout] 105 | pub async fn send(topic_name :&str, key:String, message:String, client_config: &ClientConfig)-> Result{ [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/kafka/message.rs:120:36 [INFO] [stdout] | [INFO] [stdout] 120 | Ok((partition_num, offset)) => { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let mut client = default(host, group_id); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | create_topic(&client, 4,topic_name).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 45.06s [INFO] running `Command { std: "docker" "inspect" "db980e56421c15a62c2082bbcf852bcd5bd10da8a3ce6168a6d8693341c259ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db980e56421c15a62c2082bbcf852bcd5bd10da8a3ce6168a6d8693341c259ec", kill_on_drop: false }` [INFO] [stdout] db980e56421c15a62c2082bbcf852bcd5bd10da8a3ce6168a6d8693341c259ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9a703a245d22f662a8937aedc021d97a3004746e927d8531175f7d6d54aae010 [INFO] running `Command { std: "docker" "start" "-a" "9a703a245d22f662a8937aedc021d97a3004746e927d8531175f7d6d54aae010", kill_on_drop: false }` [INFO] [stderr] Compiling kfk v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `BorrowedMessage` [INFO] [stdout] --> src/kafka/message.rs:5:38 [INFO] [stdout] | [INFO] [stdout] 5 | use rdkafka::message::{OwnedHeaders, BorrowedMessage}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TryStream` [INFO] [stdout] --> src/kafka/message.rs:7:26 [INFO] [stdout] | [INFO] [stdout] 7 | use futures::{StreamExt, TryStream}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::stream::FuturesUnordered` [INFO] [stdout] --> src/kafka/message.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use futures::stream::FuturesUnordered; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `KafkaError` [INFO] [stdout] --> src/kafka/message.rs:10:35 [INFO] [stdout] | [INFO] [stdout] 10 | use rdkafka::error::{KafkaResult, KafkaError}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Context`, `Timestamp` [INFO] [stdout] --> src/main.rs:7:16 [INFO] [stdout] | [INFO] [stdout] 7 | use uuid::v1::{Context, Timestamp}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/kafka/message.rs:105:49 [INFO] [stdout] | [INFO] [stdout] 105 | pub async fn send(topic_name :&str, key:String, message:String, client_config: &ClientConfig)-> Result{ [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/kafka/message.rs:120:36 [INFO] [stdout] | [INFO] [stdout] 120 | Ok((partition_num, offset)) => { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let mut client = default(host, group_id); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | create_topic(&client, 4,topic_name).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.60s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/kfk-b2d9da7c32f7b379) [INFO] running `Command { std: "docker" "inspect" "9a703a245d22f662a8937aedc021d97a3004746e927d8531175f7d6d54aae010", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a703a245d22f662a8937aedc021d97a3004746e927d8531175f7d6d54aae010", kill_on_drop: false }` [INFO] [stdout] 9a703a245d22f662a8937aedc021d97a3004746e927d8531175f7d6d54aae010 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 91057707d94ea743509c69c1ddd690b5ac484ed1a5b5aa77d7dbe21cc8489247 [INFO] running `Command { std: "docker" "start" "-a" "91057707d94ea743509c69c1ddd690b5ac484ed1a5b5aa77d7dbe21cc8489247", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `BorrowedMessage` [INFO] [stderr] --> src/kafka/message.rs:5:38 [INFO] [stderr] | [INFO] [stderr] 5 | use rdkafka::message::{OwnedHeaders, BorrowedMessage}; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `TryStream` [INFO] [stderr] --> src/kafka/message.rs:7:26 [INFO] [stderr] | [INFO] [stderr] 7 | use futures::{StreamExt, TryStream}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `futures::stream::FuturesUnordered` [INFO] [stderr] --> src/kafka/message.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use futures::stream::FuturesUnordered; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `KafkaError` [INFO] [stderr] --> src/kafka/message.rs:10:35 [INFO] [stderr] | [INFO] [stderr] 10 | use rdkafka::error::{KafkaResult, KafkaError}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Context`, `Timestamp` [INFO] [stderr] --> src/main.rs:7:16 [INFO] [stderr] | [INFO] [stderr] 7 | use uuid::v1::{Context, Timestamp}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `message` [INFO] [stderr] --> src/kafka/message.rs:105:49 [INFO] [stderr] | [INFO] [stderr] 105 | pub async fn send(topic_name :&str, key:String, message:String, client_config: &ClientConfig)-> Result{ [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `offset` [INFO] [stderr] --> src/kafka/message.rs:120:36 [INFO] [stderr] | [INFO] [stderr] 120 | Ok((partition_num, offset)) => { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | let mut client = default(host, group_id); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | create_topic(&client, 4,topic_name).await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `kfk` (bin "kfk" test) generated 9 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/kfk-b2d9da7c32f7b379) [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" "91057707d94ea743509c69c1ddd690b5ac484ed1a5b5aa77d7dbe21cc8489247", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91057707d94ea743509c69c1ddd690b5ac484ed1a5b5aa77d7dbe21cc8489247", kill_on_drop: false }` [INFO] [stdout] 91057707d94ea743509c69c1ddd690b5ac484ed1a5b5aa77d7dbe21cc8489247