[INFO] cloning repository https://github.com/tjz101/mqtt-test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tjz101/mqtt-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjz101%2Fmqtt-test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjz101%2Fmqtt-test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ba121ee7b6ccd43472423c0e2a927f94436b014b [INFO] checking tjz101/mqtt-test against try#0cb362313295507a2f4321c0e30cea0168f2fe71 for pr-138961-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjz101%2Fmqtt-test" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tjz101/mqtt-test [INFO] finished tweaking git repo https://github.com/tjz101/mqtt-test [INFO] tweaked toml for git repo https://github.com/tjz101/mqtt-test written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tjz101/mqtt-test on toolchain 0cb362313295507a2f4321c0e30cea0168f2fe71 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tjz101/mqtt-test 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" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded paho-mqtt v0.10.0 [INFO] [stderr] Downloaded tokio v1.18.0 [INFO] [stderr] Downloaded paho-mqtt-sys v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 267a8e52944ccd5b91f34def17fa5310c1ae873db2212b859c02c2d2dcdb8c3c [INFO] running `Command { std: "docker" "start" "-a" "267a8e52944ccd5b91f34def17fa5310c1ae873db2212b859c02c2d2dcdb8c3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "267a8e52944ccd5b91f34def17fa5310c1ae873db2212b859c02c2d2dcdb8c3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "267a8e52944ccd5b91f34def17fa5310c1ae873db2212b859c02c2d2dcdb8c3c", kill_on_drop: false }` [INFO] [stdout] 267a8e52944ccd5b91f34def17fa5310c1ae873db2212b859c02c2d2dcdb8c3c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d6bdf192d6a125b9e4bcd8cfd9248c9b5acaf393741ce5b545e35794871ffaf [INFO] running `Command { std: "docker" "start" "-a" "9d6bdf192d6a125b9e4bcd8cfd9248c9b5acaf393741ce5b545e35794871ffaf", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling libc v0.2.124 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling parking_lot_core v0.9.2 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Checking tracing-core v0.1.26 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Checking cache-padded v1.2.0 [INFO] [stderr] Checking event-listener v2.5.2 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Compiling paho-mqtt-sys v0.6.0 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking regex v1.5.5 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v0.13.0 [INFO] [stderr] Checking mqtt-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/actor/recv_actor.rs:23:25 [INFO] [stdout] | [INFO] [stdout] 23 | fn parse_msg(&self, message: String) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/actor/recv_actor.rs:23:25 [INFO] [stdout] | [INFO] [stdout] 23 | fn parse_msg(&self, message: String) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/actor/recv_actor.rs:55:40 [INFO] [stdout] | [INFO] [stdout] 55 | fn handle(&mut self, msg: MqttMsg, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/actor/recv_actor.rs:55:40 [INFO] [stdout] | [INFO] [stdout] 55 | fn handle(&mut self, msg: MqttMsg, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/actor/reply_actor.rs:26:40 [INFO] [stdout] | [INFO] [stdout] 26 | fn handle(&mut self, msg: MqttMsg, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/actor/reply_actor.rs:26:40 [INFO] [stdout] | [INFO] [stdout] 26 | fn handle(&mut self, msg: MqttMsg, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Process` is never constructed [INFO] [stdout] --> src/actor/recv_actor.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Process { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `parse_msg` are never used [INFO] [stdout] --> src/actor/recv_actor.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Process { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 16 | pub fn new(reply_addr: Addr) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | fn parse_msg(&self, message: String) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RecvActor` is never constructed [INFO] [stdout] --> src/actor/recv_actor.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | pub struct RecvActor { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/actor/recv_actor.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 40 | impl RecvActor { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 41 | pub fn new(process: Arc>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ReplyActor` is never constructed [INFO] [stdout] --> src/actor/reply_actor.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct ReplyActor { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/actor/reply_actor.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl ReplyActor { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 12 | pub fn new(client: Arc) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Result` is never used [INFO] [stdout] --> src/client/mqtt_client.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | type Result = std::result::Result; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MqttClient` is never constructed [INFO] [stdout] --> src/client/mqtt_client.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct MqttClient { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Process` is never constructed [INFO] [stdout] --> src/actor/recv_actor.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Process { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `publish`, `subscribe`, and `try_reconnect` are never used [INFO] [stdout] --> src/client/mqtt_client.rs:18:18 [INFO] [stdout] | [INFO] [stdout] 17 | impl MqttClient { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 18 | pub async fn new() -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn publish(&self, topic: &str, msg: &str, qos: i32) -> Result<()> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub async fn subscribe(&self, topic: &str, qos: i32, recv_addr: Arc>) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 81 | async fn try_reconnect(&self, topic: &str, qos: i32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MqttMsg` is never constructed [INFO] [stdout] --> src/client/mqtt_msg.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct MqttMsg(pub String, pub String, pub i32); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `parse_msg` are never used [INFO] [stdout] --> src/actor/recv_actor.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Process { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 16 | pub fn new(reply_addr: Addr) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | fn parse_msg(&self, message: String) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RecvActor` is never constructed [INFO] [stdout] --> src/actor/recv_actor.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | pub struct RecvActor { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/actor/recv_actor.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 40 | impl RecvActor { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 41 | pub fn new(process: Arc>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ReplyActor` is never constructed [INFO] [stdout] --> src/actor/reply_actor.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct ReplyActor { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/actor/reply_actor.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl ReplyActor { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 12 | pub fn new(client: Arc) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Result` is never used [INFO] [stdout] --> src/client/mqtt_client.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | type Result = std::result::Result; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MqttClient` is never constructed [INFO] [stdout] --> src/client/mqtt_client.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct MqttClient { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `publish`, `subscribe`, and `try_reconnect` are never used [INFO] [stdout] --> src/client/mqtt_client.rs:18:18 [INFO] [stdout] | [INFO] [stdout] 17 | impl MqttClient { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 18 | pub async fn new() -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn publish(&self, topic: &str, msg: &str, qos: i32) -> Result<()> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub async fn subscribe(&self, topic: &str, qos: i32, recv_addr: Arc>) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 81 | async fn try_reconnect(&self, topic: &str, qos: i32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MqttMsg` is never constructed [INFO] [stdout] --> src/client/mqtt_msg.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct MqttMsg(pub String, pub String, pub i32); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/actor/reply_actor.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | self.client.publish(&msg.0, &msg.1, msg.2); [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] 28 | let _ = self.client.publish(&msg.0, &msg.1, msg.2); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/actor/reply_actor.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | self.client.publish(&msg.0, &msg.1, msg.2); [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] 28 | let _ = self.client.publish(&msg.0, &msg.1, msg.2); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/actor/recv_actor.rs:23:25 [INFO] [stdout] | [INFO] [stdout] 23 | fn parse_msg(&self, message: String) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `message` [INFO] [stdout] --> src/actor/recv_actor.rs:23:25 [INFO] [stdout] | [INFO] [stdout] 23 | fn parse_msg(&self, message: String) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/actor/recv_actor.rs:55:40 [INFO] [stdout] | [INFO] [stdout] 55 | fn handle(&mut self, msg: MqttMsg, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/actor/reply_actor.rs:26:40 [INFO] [stdout] | [INFO] [stdout] 26 | fn handle(&mut self, msg: MqttMsg, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/actor/recv_actor.rs:55:40 [INFO] [stdout] | [INFO] [stdout] 55 | fn handle(&mut self, msg: MqttMsg, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/actor/reply_actor.rs:26:40 [INFO] [stdout] | [INFO] [stdout] 26 | fn handle(&mut self, msg: MqttMsg, ctx: &mut Self::Context) -> Self::Result { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/actor/reply_actor.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | self.client.publish(&msg.0, &msg.1, msg.2); [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] 28 | let _ = self.client.publish(&msg.0, &msg.1, msg.2); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/actor/reply_actor.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | self.client.publish(&msg.0, &msg.1, msg.2); [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] 28 | let _ = self.client.publish(&msg.0, &msg.1, msg.2); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.27s [INFO] running `Command { std: "docker" "inspect" "9d6bdf192d6a125b9e4bcd8cfd9248c9b5acaf393741ce5b545e35794871ffaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d6bdf192d6a125b9e4bcd8cfd9248c9b5acaf393741ce5b545e35794871ffaf", kill_on_drop: false }` [INFO] [stdout] 9d6bdf192d6a125b9e4bcd8cfd9248c9b5acaf393741ce5b545e35794871ffaf