[INFO] cloning repository https://github.com/tuyennguyentech/learn-mqtt [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuyennguyentech/learn-mqtt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuyennguyentech%2Flearn-mqtt", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuyennguyentech%2Flearn-mqtt'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e6e13ff61bd123d7166f957e83fd09f3be115ccc [INFO] checking tuyennguyentech/learn-mqtt against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuyennguyentech%2Flearn-mqtt" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tuyennguyentech/learn-mqtt [INFO] finished tweaking git repo https://github.com/tuyennguyentech/learn-mqtt [INFO] tweaked toml for git repo https://github.com/tuyennguyentech/learn-mqtt written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tuyennguyentech/learn-mqtt on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tuyennguyentech/learn-mqtt 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded is-terminal v0.4.17 [INFO] [stderr] Downloaded flume v0.11.1 [INFO] [stderr] Downloaded pretty_env_logger v0.5.0 [INFO] [stderr] Downloaded rumqttc v0.25.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5a06d9d12b870b5c6fff5674fd786522d1b81819b1bf77a44eeedc71537da6ec [INFO] running `Command { std: "docker" "start" "-a" "5a06d9d12b870b5c6fff5674fd786522d1b81819b1bf77a44eeedc71537da6ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a06d9d12b870b5c6fff5674fd786522d1b81819b1bf77a44eeedc71537da6ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a06d9d12b870b5c6fff5674fd786522d1b81819b1bf77a44eeedc71537da6ec", kill_on_drop: false }` [INFO] [stdout] 5a06d9d12b870b5c6fff5674fd786522d1b81819b1bf77a44eeedc71537da6ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 091edd8a49268f95878ccdaf2af1bb6f70020c206e8830bc1969a553bae4fa06 [INFO] running `Command { std: "docker" "start" "-a" "091edd8a49268f95878ccdaf2af1bb6f70020c206e8830bc1969a553bae4fa06", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.177 [INFO] [stderr] Compiling unicode-ident v1.0.20 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Checking rustls-pki-types v1.12.0 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling rustls v0.23.34 [INFO] [stderr] Checking regex-syntax v0.8.8 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking parking_lot_core v0.9.12 [INFO] [stderr] Checking is-terminal v0.4.17 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking flume v0.11.1 [INFO] [stderr] Checking rustls-native-certs v0.8.2 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Checking rustls-pemfile v2.2.0 [INFO] [stderr] Checking fixedbitset v0.5.7 [INFO] [stderr] Compiling syn v2.0.108 [INFO] [stderr] Compiling jobserver v0.1.34 [INFO] [stderr] Compiling cc v1.2.41 [INFO] [stderr] Checking regex-automata v0.4.13 [INFO] [stderr] Compiling cmake v0.1.54 [INFO] [stderr] Compiling aws-lc-sys v0.32.3 [INFO] [stderr] Compiling ring v0.17.14 [INFO] [stderr] Checking regex v1.12.2 [INFO] [stderr] Checking env_logger v0.10.2 [INFO] [stderr] Checking pretty_env_logger v0.5.0 [INFO] [stderr] Compiling tokio-macros v2.6.0 [INFO] [stderr] Compiling thiserror-impl v2.0.17 [INFO] [stderr] Checking tokio v1.48.0 [INFO] [stderr] Checking rustls-webpki v0.102.8 [INFO] [stderr] Checking thiserror v2.0.17 [INFO] [stderr] Checking tokio-stream v0.1.17 [INFO] [stderr] Checking tokio-util v0.7.16 [INFO] [stderr] Compiling aws-lc-rs v1.14.1 [INFO] [stderr] Checking rustls-webpki v0.103.7 [INFO] [stderr] Checking tokio-rustls v0.26.4 [INFO] [stderr] Checking rumqttc v0.25.0 [INFO] [stderr] Checking mqtt v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `v5::SubscribeProperties` [INFO] [stdout] --> src/main.rs:4:20 [INFO] [stdout] | [INFO] [stdout] 4 | mqttbytes::{QoS, v5::SubscribeProperties}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `v5::SubscribeProperties` [INFO] [stdout] --> src/main.rs:4:20 [INFO] [stdout] | [INFO] [stdout] 4 | mqttbytes::{QoS, v5::SubscribeProperties}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/main.rs:59:20 [INFO] [stdout] | [INFO] [stdout] 59 | while let Some(data) = rx.recv().await { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/main.rs:59:20 [INFO] [stdout] | [INFO] [stdout] 59 | while let Some(data) = rx.recv().await { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 10s [INFO] running `Command { std: "docker" "inspect" "091edd8a49268f95878ccdaf2af1bb6f70020c206e8830bc1969a553bae4fa06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "091edd8a49268f95878ccdaf2af1bb6f70020c206e8830bc1969a553bae4fa06", kill_on_drop: false }` [INFO] [stdout] 091edd8a49268f95878ccdaf2af1bb6f70020c206e8830bc1969a553bae4fa06