[INFO] cloning repository https://github.com/JulianFeinauer/mqtt-remote-control-demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JulianFeinauer/mqtt-remote-control-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulianFeinauer%2Fmqtt-remote-control-demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulianFeinauer%2Fmqtt-remote-control-demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1c19a37c5a5e16a5c936735547fc6e55faef64ae [INFO] checking JulianFeinauer/mqtt-remote-control-demo against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulianFeinauer%2Fmqtt-remote-control-demo" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JulianFeinauer/mqtt-remote-control-demo on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JulianFeinauer/mqtt-remote-control-demo [INFO] finished tweaking git repo https://github.com/JulianFeinauer/mqtt-remote-control-demo [INFO] tweaked toml for git repo https://github.com/JulianFeinauer/mqtt-remote-control-demo written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/JulianFeinauer/mqtt-remote-control-demo 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded paho-mqtt v0.11.1 [INFO] [stderr] Downloaded paho-mqtt-sys v0.7.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7b589ca2c7c806cae80015709de88893f33e2cd0acca593ae5b015815116ccde [INFO] running `Command { std: "docker" "start" "-a" "7b589ca2c7c806cae80015709de88893f33e2cd0acca593ae5b015815116ccde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7b589ca2c7c806cae80015709de88893f33e2cd0acca593ae5b015815116ccde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b589ca2c7c806cae80015709de88893f33e2cd0acca593ae5b015815116ccde", kill_on_drop: false }` [INFO] [stdout] 7b589ca2c7c806cae80015709de88893f33e2cd0acca593ae5b015815116ccde [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4614e7f9ea88eb26f8f78c6f01f63555b481172744871b76860ce3dc7a2ee05a [INFO] running `Command { std: "docker" "start" "-a" "4614e7f9ea88eb26f8f78c6f01f63555b481172744871b76860ce3dc7a2ee05a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Compiling crossbeam-utils v0.8.10 [INFO] [stderr] Checking smallvec v1.8.1 [INFO] [stderr] Checking cache-padded v1.2.0 [INFO] [stderr] Checking event-listener v2.5.2 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking parking_lot_core v0.9.3 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking crossbeam-channel v0.5.5 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Compiling openssl-sys v0.9.74 [INFO] [stderr] Compiling paho-mqtt-sys v0.7.0 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Checking tokio v1.19.2 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking paho-mqtt v0.11.1 [INFO] [stderr] Checking mqtt-remote-control v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `paho_mqtt::PropertyCode::ResponseTopic` [INFO] [stdout] --> src/mqtt_controller.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use paho_mqtt::PropertyCode::ResponseTopic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ok` [INFO] [stdout] --> src/mqtt_controller.rs:53:16 [INFO] [stdout] | [INFO] [stdout] 53 | Ok(ok) => { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ok` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let mut controller = MqttAgent::new("ssl://mqtt.sandbox.drogue.cloud:8883".to_string(), Some("python-sender@e2e-demo".to_string()), S... [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 import: `paho_mqtt::PropertyCode::ResponseTopic` [INFO] [stdout] --> src/mqtt_controller.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use paho_mqtt::PropertyCode::ResponseTopic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/mqtt_controller.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | client.subscribe("command/inbox/+/#", 0).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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 68 | let _ = client.subscribe("command/inbox/+/#", 0).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ok` [INFO] [stdout] --> src/mqtt_controller.rs:53:16 [INFO] [stdout] | [INFO] [stdout] 53 | Ok(ok) => { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ok` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let mut controller = MqttAgent::new("ssl://mqtt.sandbox.drogue.cloud:8883".to_string(), Some("python-sender@e2e-demo".to_string()), S... [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/mqtt_controller.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | client.subscribe("command/inbox/+/#", 0).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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 68 | let _ = client.subscribe("command/inbox/+/#", 0).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.73s [INFO] running `Command { std: "docker" "inspect" "4614e7f9ea88eb26f8f78c6f01f63555b481172744871b76860ce3dc7a2ee05a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4614e7f9ea88eb26f8f78c6f01f63555b481172744871b76860ce3dc7a2ee05a", kill_on_drop: false }` [INFO] [stdout] 4614e7f9ea88eb26f8f78c6f01f63555b481172744871b76860ce3dc7a2ee05a [INFO] checking JulianFeinauer/mqtt-remote-control-demo against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJulianFeinauer%2Fmqtt-remote-control-demo" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JulianFeinauer/mqtt-remote-control-demo on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JulianFeinauer/mqtt-remote-control-demo [INFO] finished tweaking git repo https://github.com/JulianFeinauer/mqtt-remote-control-demo [INFO] tweaked toml for git repo https://github.com/JulianFeinauer/mqtt-remote-control-demo written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/JulianFeinauer/mqtt-remote-control-demo 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 72eb1ecd1ee51edd435bc499586ca89dd951f91b4e94296ae22055a51c318840 [INFO] running `Command { std: "docker" "start" "-a" "72eb1ecd1ee51edd435bc499586ca89dd951f91b4e94296ae22055a51c318840", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "72eb1ecd1ee51edd435bc499586ca89dd951f91b4e94296ae22055a51c318840", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72eb1ecd1ee51edd435bc499586ca89dd951f91b4e94296ae22055a51c318840", kill_on_drop: false }` [INFO] [stdout] 72eb1ecd1ee51edd435bc499586ca89dd951f91b4e94296ae22055a51c318840 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9e8a0c0e9c1af4dfcabb4cd7002061ec102e4736a37270733377879765b94152 [INFO] running `Command { std: "docker" "start" "-a" "9e8a0c0e9c1af4dfcabb4cd7002061ec102e4736a37270733377879765b94152", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Compiling crossbeam-utils v0.8.10 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking cache-padded v1.2.0 [INFO] [stderr] Checking smallvec v1.8.1 [INFO] [stderr] Checking event-listener v2.5.2 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking parking_lot_core v0.9.3 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Checking crossbeam-channel v0.5.5 [INFO] [stderr] Compiling openssl-sys v0.9.74 [INFO] [stderr] Compiling paho-mqtt-sys v0.7.0 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Checking tokio v1.19.2 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking paho-mqtt v0.11.1 [INFO] [stderr] Checking mqtt-remote-control v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `paho_mqtt::PropertyCode::ResponseTopic` [INFO] [stdout] --> src/mqtt_controller.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use paho_mqtt::PropertyCode::ResponseTopic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ok` [INFO] [stdout] --> src/mqtt_controller.rs:53:16 [INFO] [stdout] | [INFO] [stdout] 53 | Ok(ok) => { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ok` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let mut controller = MqttAgent::new("ssl://mqtt.sandbox.drogue.cloud:8883".to_string(), Some("python-sender@e2e-demo".to_string()), S... [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/mqtt_controller.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | client.subscribe("command/inbox/+/#", 0).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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 68 | let _ = client.subscribe("command/inbox/+/#", 0).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `paho_mqtt::PropertyCode::ResponseTopic` [INFO] [stdout] --> src/mqtt_controller.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use paho_mqtt::PropertyCode::ResponseTopic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ok` [INFO] [stdout] --> src/mqtt_controller.rs:53:16 [INFO] [stdout] | [INFO] [stdout] 53 | Ok(ok) => { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ok` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let mut controller = MqttAgent::new("ssl://mqtt.sandbox.drogue.cloud:8883".to_string(), Some("python-sender@e2e-demo".to_string()), S... [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/mqtt_controller.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | client.subscribe("command/inbox/+/#", 0).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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 68 | let _ = client.subscribe("command/inbox/+/#", 0).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.43s [INFO] running `Command { std: "docker" "inspect" "9e8a0c0e9c1af4dfcabb4cd7002061ec102e4736a37270733377879765b94152", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e8a0c0e9c1af4dfcabb4cd7002061ec102e4736a37270733377879765b94152", kill_on_drop: false }` [INFO] [stdout] 9e8a0c0e9c1af4dfcabb4cd7002061ec102e4736a37270733377879765b94152