[INFO] cloning repository https://github.com/sczero/mqtt_rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sczero/mqtt_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsczero%2Fmqtt_rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsczero%2Fmqtt_rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b3aa32f14a19d09dc4f6126675f5f5085577551d [INFO] checking sczero/mqtt_rs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsczero%2Fmqtt_rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sczero/mqtt_rs on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sczero/mqtt_rs [INFO] finished tweaking git repo https://github.com/sczero/mqtt_rs [INFO] tweaked toml for git repo https://github.com/sczero/mqtt_rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sczero/mqtt_rs 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 39e2d2c3930b80e652799e85fe6003d7ebdf7b1336289d0db312c79fd468db84 [INFO] running `Command { std: "docker" "start" "-a" "39e2d2c3930b80e652799e85fe6003d7ebdf7b1336289d0db312c79fd468db84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "39e2d2c3930b80e652799e85fe6003d7ebdf7b1336289d0db312c79fd468db84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39e2d2c3930b80e652799e85fe6003d7ebdf7b1336289d0db312c79fd468db84", kill_on_drop: false }` [INFO] [stdout] 39e2d2c3930b80e652799e85fe6003d7ebdf7b1336289d0db312c79fd468db84 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2bb32112fa735e76b2af41d5c363fae79d3e8485cff76f0a36be19d9b44c0e4b [INFO] running `Command { std: "docker" "start" "-a" "2bb32112fa735e76b2af41d5c363fae79d3e8485cff76f0a36be19d9b44c0e4b", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.2 [INFO] [stderr] Compiling syn v1.0.98 [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] Compiling cmake v0.1.45 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking cache-padded v1.2.0 [INFO] [stderr] Checking event-listener v2.5.2 [INFO] [stderr] Checking crossbeam-channel v0.5.5 [INFO] [stderr] Checking bytes v1.2.0 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Compiling paho-mqtt-sys v0.7.0 [INFO] [stderr] Compiling quote v1.0.20 [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 v1.20.0 [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_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::string::FromUtf8Error` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::string::FromUtf8Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Mutex` [INFO] [stdout] --> src/main.rs:3:22 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::string::FromUtf8Error` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::string::FromUtf8Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ConnectOptions`, `Message`, `SslOptionsBuilder`, and `SslOptions` [INFO] [stdout] --> src/main.rs:7:17 [INFO] [stdout] | [INFO] [stdout] 7 | use paho_mqtt::{ConnectOptions, ConnectOptionsBuilder, Message, SslOptions, SslOptionsBuilder}; [INFO] [stdout] | ^^^^^^^^^^^^^^ ^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Mutex` [INFO] [stdout] --> src/main.rs:3:22 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ConnectOptions`, `Message`, `SslOptionsBuilder`, and `SslOptions` [INFO] [stdout] --> src/main.rs:7:17 [INFO] [stdout] | [INFO] [stdout] 7 | use paho_mqtt::{ConnectOptions, ConnectOptionsBuilder, Message, SslOptions, SslOptionsBuilder}; [INFO] [stdout] | ^^^^^^^^^^^^^^ ^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mqtt_subscribe` is never used [INFO] [stdout] --> src/main.rs:49:10 [INFO] [stdout] | [INFO] [stdout] 49 | async fn mqtt_subscribe() {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mqtt_subscribe` is never used [INFO] [stdout] --> src/main.rs:49:10 [INFO] [stdout] | [INFO] [stdout] 49 | async fn mqtt_subscribe() {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | tokio::join!(handle1,handle2); [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] = note: this warning originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | tokio::join!(handle1,handle2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | tokio::join!(handle1,handle2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | tokio::join!(handle1,handle2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.41s [INFO] running `Command { std: "docker" "inspect" "2bb32112fa735e76b2af41d5c363fae79d3e8485cff76f0a36be19d9b44c0e4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2bb32112fa735e76b2af41d5c363fae79d3e8485cff76f0a36be19d9b44c0e4b", kill_on_drop: false }` [INFO] [stdout] 2bb32112fa735e76b2af41d5c363fae79d3e8485cff76f0a36be19d9b44c0e4b [INFO] checking sczero/mqtt_rs against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsczero%2Fmqtt_rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sczero/mqtt_rs on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sczero/mqtt_rs [INFO] finished tweaking git repo https://github.com/sczero/mqtt_rs [INFO] tweaked toml for git repo https://github.com/sczero/mqtt_rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/sczero/mqtt_rs 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 59da6f3f4e52afa73beec8a90dac5dff8570ad97f70a685198275624b6a12525 [INFO] running `Command { std: "docker" "start" "-a" "59da6f3f4e52afa73beec8a90dac5dff8570ad97f70a685198275624b6a12525", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "59da6f3f4e52afa73beec8a90dac5dff8570ad97f70a685198275624b6a12525", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59da6f3f4e52afa73beec8a90dac5dff8570ad97f70a685198275624b6a12525", kill_on_drop: false }` [INFO] [stdout] 59da6f3f4e52afa73beec8a90dac5dff8570ad97f70a685198275624b6a12525 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5dd6c3fe92ce66f8449f7bf3018248c01f52960cac322f24100a81b5103b5287 [INFO] running `Command { std: "docker" "start" "-a" "5dd6c3fe92ce66f8449f7bf3018248c01f52960cac322f24100a81b5103b5287", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.2 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking cache-padded v1.2.0 [INFO] [stderr] Checking event-listener v2.5.2 [INFO] [stderr] Checking bytes v1.2.0 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking crossbeam-channel v0.5.5 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Compiling paho-mqtt-sys v0.7.0 [INFO] [stderr] Compiling quote v1.0.20 [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 v1.20.0 [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_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::string::FromUtf8Error` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::string::FromUtf8Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Mutex` [INFO] [stdout] --> src/main.rs:3:22 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::string::FromUtf8Error` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::string::FromUtf8Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Mutex` [INFO] [stdout] --> src/main.rs:3:22 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ConnectOptions`, `Message`, `SslOptionsBuilder`, and `SslOptions` [INFO] [stdout] --> src/main.rs:7:17 [INFO] [stdout] | [INFO] [stdout] 7 | use paho_mqtt::{ConnectOptions, ConnectOptionsBuilder, Message, SslOptions, SslOptionsBuilder}; [INFO] [stdout] | ^^^^^^^^^^^^^^ ^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ConnectOptions`, `Message`, `SslOptionsBuilder`, and `SslOptions` [INFO] [stdout] --> src/main.rs:7:17 [INFO] [stdout] | [INFO] [stdout] 7 | use paho_mqtt::{ConnectOptions, ConnectOptionsBuilder, Message, SslOptions, SslOptionsBuilder}; [INFO] [stdout] | ^^^^^^^^^^^^^^ ^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mqtt_subscribe` is never used [INFO] [stdout] --> src/main.rs:49:10 [INFO] [stdout] | [INFO] [stdout] 49 | async fn mqtt_subscribe() {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mqtt_subscribe` is never used [INFO] [stdout] --> src/main.rs:49:10 [INFO] [stdout] | [INFO] [stdout] 49 | async fn mqtt_subscribe() {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | tokio::join!(handle1,handle2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] = note: this error originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | tokio::join!(handle1,handle2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] = note: this error originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | tokio::join!(handle1,handle2); [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] = note: this warning originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | tokio::join!(handle1,handle2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | tokio::join!(handle1,handle2); [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] = note: this warning originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | tokio::join!(handle1,handle2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mqtt_rs` (bin "mqtt_rs" test) due to 2 previous errors; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `mqtt_rs` (bin "mqtt_rs") due to 2 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "5dd6c3fe92ce66f8449f7bf3018248c01f52960cac322f24100a81b5103b5287", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5dd6c3fe92ce66f8449f7bf3018248c01f52960cac322f24100a81b5103b5287", kill_on_drop: false }` [INFO] [stdout] 5dd6c3fe92ce66f8449f7bf3018248c01f52960cac322f24100a81b5103b5287