[INFO] cloning repository https://github.com/damoon/kafka-rustreams [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/damoon/kafka-rustreams" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdamoon%2Fkafka-rustreams", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdamoon%2Fkafka-rustreams'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b868926f010e7d30c772f785ab4cd76230a1d1e8 [INFO] checking damoon/kafka-rustreams against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdamoon%2Fkafka-rustreams" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/damoon/kafka-rustreams on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/damoon/kafka-rustreams [INFO] finished tweaking git repo https://github.com/damoon/kafka-rustreams [INFO] tweaked toml for git repo https://github.com/damoon/kafka-rustreams written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/damoon/kafka-rustreams already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rdkafka v0.25.0 [INFO] [stderr] Downloaded rdkafka-sys v3.0.0+1.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dcf98c3f435d8532b76613124a3964e9c950f9d9bd043183a0ca0180822b3fd2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "dcf98c3f435d8532b76613124a3964e9c950f9d9bd043183a0ca0180822b3fd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dcf98c3f435d8532b76613124a3964e9c950f9d9bd043183a0ca0180822b3fd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcf98c3f435d8532b76613124a3964e9c950f9d9bd043183a0ca0180822b3fd2", kill_on_drop: false }` [INFO] [stdout] dcf98c3f435d8532b76613124a3964e9c950f9d9bd043183a0ca0180822b3fd2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "-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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 19996d0d4e9d7b4e3f3166f54c427c0ef6819b4fcf738a8a5684afc73abfb055 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "19996d0d4e9d7b4e3f3166f54c427c0ef6819b4fcf738a8a5684afc73abfb055", kill_on_drop: false }` [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Checking futures-sink v0.3.12 [INFO] [stderr] Checking futures-core v0.3.12 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking futures-io v0.3.12 [INFO] [stderr] Compiling serde_json v1.0.62 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Compiling rdkafka-sys v3.0.0+1.6.0 [INFO] [stderr] Compiling tokio v1.2.0 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking futures-channel v0.3.12 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking futures-task v0.3.12 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Checking mio v0.7.8 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Compiling libz-sys v1.1.2 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking env_logger v0.8.3 [INFO] [stderr] Compiling futures-macro v0.3.12 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Compiling async-trait v0.1.42 [INFO] [stderr] Checking futures-util v0.3.12 [INFO] [stderr] Checking futures-executor v0.3.12 [INFO] [stderr] Checking futures v0.3.12 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling num_enum_derive v0.5.1 [INFO] [stderr] Checking num_enum v0.5.1 [INFO] [stderr] Checking rdkafka v0.25.0 [INFO] [stderr] Checking rustreams v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `borrow::Borrow`, `option`, `time::Duration` [INFO] [stdout] --> src/lib.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{borrow::Borrow, option, time::Duration}; [INFO] [stdout] | ^^^^^^^^^^^^^^ ^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `task::JoinHandle`, `time::sleep` [INFO] [stdout] --> src/lib.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | use tokio::{task::JoinHandle, time::sleep}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `unbounded_channel` [INFO] [stdout] --> src/lib.rs:6:34 [INFO] [stdout] | [INFO] [stdout] 6 | use tokio::sync::mpsc::{channel, unbounded_channel, Receiver, Sender}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::sync::oneshot` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use tokio::sync::oneshot; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::sync::Mutex` [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use tokio::sync::Mutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `borrow::Borrow`, `option`, `time::Duration` [INFO] [stdout] --> src/lib.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{borrow::Borrow, option, time::Duration}; [INFO] [stdout] | ^^^^^^^^^^^^^^ ^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `task::JoinHandle`, `time::sleep` [INFO] [stdout] --> src/lib.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | use tokio::{task::JoinHandle, time::sleep}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `unbounded_channel` [INFO] [stdout] --> src/lib.rs:6:34 [INFO] [stdout] | [INFO] [stdout] 6 | use tokio::sync::mpsc::{channel, unbounded_channel, Receiver, Sender}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::sync::oneshot` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use tokio::sync::oneshot; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::sync::Mutex` [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use tokio::sync::Mutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::sync::Semaphore` [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio::sync::Semaphore; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `time::sleep` [INFO] [stdout] --> src/kafka.rs:4:31 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::{task::JoinHandle, time::sleep}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `time::sleep` [INFO] [stdout] --> src/postgresql.rs:4:31 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::{task::JoinHandle, time::sleep}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Poll` [INFO] [stdout] --> src/lib.rs:58:50 [INFO] [stdout] | [INFO] [stdout] 58 | use futures::task::{noop_waker, Context, Poll}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::sync::Semaphore` [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio::sync::Semaphore; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `time::sleep` [INFO] [stdout] --> src/kafka.rs:4:31 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::{task::JoinHandle, time::sleep}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `time::sleep` [INFO] [stdout] --> src/postgresql.rs:4:31 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::{task::JoinHandle, time::sleep}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Poll` [INFO] [stdout] --> src/lib.rs:58:50 [INFO] [stdout] | [INFO] [stdout] 58 | use futures::task::{noop_waker, Context, Poll}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `topic_name` [INFO] [stdout] --> src/lib.rs:64:27 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn write_to(self, topic_name: &str) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_topic_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `topic` [INFO] [stdout] --> src/in_memory.rs:14:32 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn write_to(&mut self, topic: &str, msg: Option<&[u8]>) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_topic` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/in_memory.rs:14:45 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn write_to(&mut self, topic: &str, msg: Option<&[u8]>) {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `topo` [INFO] [stdout] --> src/kafka.rs:14:16 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn new(topo: Topology) -> Driver { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_topo` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `topic` [INFO] [stdout] --> src/kafka.rs:24:28 [INFO] [stdout] | [INFO] [stdout] 24 | fn write_to(&mut self, topic: &str, msg: Option<&'a [u8]>) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_topic` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/kafka.rs:24:41 [INFO] [stdout] | [INFO] [stdout] 24 | fn write_to(&mut self, topic: &str, msg: Option<&'a [u8]>) {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `topo` [INFO] [stdout] --> src/postgresql.rs:14:16 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn new(topo: Topology) -> Driver { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_topo` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `topic` [INFO] [stdout] --> src/postgresql.rs:24:28 [INFO] [stdout] | [INFO] [stdout] 24 | fn write_to(&mut self, topic: &str, msg: Option<&'a [u8]>) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_topic` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/postgresql.rs:24:41 [INFO] [stdout] | [INFO] [stdout] 24 | fn write_to(&mut self, topic: &str, msg: Option<&'a [u8]>) {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `topo` [INFO] [stdout] --> src/in_memory.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | topo: Topology<'a>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `recv` [INFO] [stdout] --> src/lib.rs:53:14 [INFO] [stdout] | [INFO] [stdout] 53 | async fn recv(&mut self) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `topic_name` [INFO] [stdout] --> src/lib.rs:64:27 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn write_to(self, topic_name: &str) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_topic_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `topic` [INFO] [stdout] --> src/in_memory.rs:14:32 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn write_to(&mut self, topic: &str, msg: Option<&[u8]>) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_topic` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/in_memory.rs:14:45 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn write_to(&mut self, topic: &str, msg: Option<&[u8]>) {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `topo` [INFO] [stdout] --> src/kafka.rs:14:16 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn new(topo: Topology) -> Driver { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_topo` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `topic` [INFO] [stdout] --> src/kafka.rs:24:28 [INFO] [stdout] | [INFO] [stdout] 24 | fn write_to(&mut self, topic: &str, msg: Option<&'a [u8]>) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_topic` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/kafka.rs:24:41 [INFO] [stdout] | [INFO] [stdout] 24 | fn write_to(&mut self, topic: &str, msg: Option<&'a [u8]>) {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `topo` [INFO] [stdout] --> src/postgresql.rs:14:16 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn new(topo: Topology) -> Driver { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_topo` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `topic` [INFO] [stdout] --> src/postgresql.rs:24:28 [INFO] [stdout] | [INFO] [stdout] 24 | fn write_to(&mut self, topic: &str, msg: Option<&'a [u8]>) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_topic` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/postgresql.rs:24:41 [INFO] [stdout] | [INFO] [stdout] 24 | fn write_to(&mut self, topic: &str, msg: Option<&'a [u8]>) {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `topo` [INFO] [stdout] --> src/in_memory.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | topo: Topology<'a>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `recv` [INFO] [stdout] --> src/lib.rs:53:14 [INFO] [stdout] | [INFO] [stdout] 53 | async fn recv(&mut self) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> examples/stream.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::time::sleep` [INFO] [stdout] --> examples/stream.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use tokio::time::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> examples/stream.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::sync::mpsc::Sender` [INFO] [stdout] --> examples/stream.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use tokio::sync::mpsc::Sender; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `unbounded_channel` [INFO] [stdout] --> examples/stream.rs:7:34 [INFO] [stdout] | [INFO] [stdout] 7 | use tokio::sync::mpsc::{channel, unbounded_channel}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::sync::Mutex` [INFO] [stdout] --> examples/stream.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use tokio::sync::Mutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Poll` [INFO] [stdout] --> examples/stream.rs:48:50 [INFO] [stdout] | [INFO] [stdout] 48 | use futures::task::{noop_waker, Context, Poll}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> examples/app.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::signal` [INFO] [stdout] --> examples/app.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use tokio::signal; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `async_trait::async_trait` [INFO] [stdout] --> examples/app.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use async_trait::async_trait; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> examples/stream.rs:95:34 [INFO] [stdout] | [INFO] [stdout] 95 | Poll::Ready(Some(message)) => { [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 import: `rustreams::driver::Driver` [INFO] [stdout] --> examples/in_memory.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rustreams::driver::Driver; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `from_env` [INFO] [stdout] --> examples/transaction.rs:8:24 [INFO] [stdout] | [INFO] [stdout] 8 | use env_logger::{self, from_env}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Level`, `debug`, `error`, `info`, `log_enabled` [INFO] [stdout] --> examples/transaction.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | use log::{debug, error, info, log_enabled, Level}; [INFO] [stdout] | ^^^^^ ^^^^^ ^^^^ ^^^^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `env_logger::from_env`: Prefer `env_logger::Builder::from_env()` instead. [INFO] [stdout] --> examples/transaction.rs:8:24 [INFO] [stdout] | [INFO] [stdout] 8 | use env_logger::{self, from_env}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rdkafka::Message` [INFO] [stdout] --> examples/transaction.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use rdkafka::Message; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iso` [INFO] [stdout] --> examples/transaction.rs:129:5 [INFO] [stdout] | [INFO] [stdout] 129 | iso: IsolationLevel, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_iso` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 21s [INFO] running `Command { std: "docker" "inspect" "19996d0d4e9d7b4e3f3166f54c427c0ef6819b4fcf738a8a5684afc73abfb055", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19996d0d4e9d7b4e3f3166f54c427c0ef6819b4fcf738a8a5684afc73abfb055", kill_on_drop: false }` [INFO] [stdout] 19996d0d4e9d7b4e3f3166f54c427c0ef6819b4fcf738a8a5684afc73abfb055