[INFO] cloning repository https://github.com/LedoKun/mqtt-aquarium [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LedoKun/mqtt-aquarium" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLedoKun%2Fmqtt-aquarium", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLedoKun%2Fmqtt-aquarium'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b6c765ba06f978cd9640d668ac49529b9d87d3d0 [INFO] checking LedoKun/mqtt-aquarium/b6c765ba06f978cd9640d668ac49529b9d87d3d0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLedoKun%2Fmqtt-aquarium" "/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/LedoKun/mqtt-aquarium on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LedoKun/mqtt-aquarium [INFO] finished tweaking git repo https://github.com/LedoKun/mqtt-aquarium [INFO] tweaked toml for git repo https://github.com/LedoKun/mqtt-aquarium written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LedoKun/mqtt-aquarium 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 45415fe82aca03ecbd26bcc32afb95d5e566f93e0d0794c5183e3f0bbcc509e4 [INFO] running `Command { std: "docker" "start" "-a" "45415fe82aca03ecbd26bcc32afb95d5e566f93e0d0794c5183e3f0bbcc509e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "45415fe82aca03ecbd26bcc32afb95d5e566f93e0d0794c5183e3f0bbcc509e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45415fe82aca03ecbd26bcc32afb95d5e566f93e0d0794c5183e3f0bbcc509e4", kill_on_drop: false }` [INFO] [stdout] 45415fe82aca03ecbd26bcc32afb95d5e566f93e0d0794c5183e3f0bbcc509e4 [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 -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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 71489078a75a4a19f98705f4eeaf0f1a42694984339edf741ef1785f459c07e2 [INFO] running `Command { std: "docker" "start" "-a" "71489078a75a4a19f98705f4eeaf0f1a42694984339edf741ef1785f459c07e2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.123 [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling parking_lot_core v0.9.2 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling rustls v0.20.4 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking cache-padded v1.2.0 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking event-listener v2.5.2 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking pollster v0.2.5 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking http v0.2.6 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking rustls-pemfile v0.3.0 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling hidapi v1.4.1 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.8.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Checking sct v0.7.0 [INFO] [stderr] Checking webpki v0.22.0 [INFO] [stderr] Checking tokio v1.17.0 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking tokio-rustls v0.23.3 [INFO] [stderr] Checking rumqttc v0.11.0 [INFO] [stderr] Checking mqtt-aquarium v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `MQTTPayload` is never constructed [INFO] [stdout] --> src/main.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | struct MQTTPayload { [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:172:5 [INFO] [stdout] | [INFO] [stdout] 172 | loop { [INFO] [stdout] | _____^ - [INFO] [stdout] | |__________| [INFO] [stdout] 173 | || let event = eventloop.poll().await; [INFO] [stdout] 174 | || match event { [INFO] [stdout] 175 | || Ok(rumqttc::Event::Incoming(rumqttc::Incoming::ConnAck(_))) => { [INFO] [stdout] ... || [INFO] [stdout] 193 | || } [INFO] [stdout] 194 | || } [INFO] [stdout] | ||_____^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____| [INFO] [stdout] | [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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mqtt-aquarium` (bin "mqtt-aquarium") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: struct `MQTTPayload` is never constructed [INFO] [stdout] --> src/main.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | struct MQTTPayload { [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:172:5 [INFO] [stdout] | [INFO] [stdout] 172 | loop { [INFO] [stdout] | _____^ - [INFO] [stdout] | |__________| [INFO] [stdout] 173 | || let event = eventloop.poll().await; [INFO] [stdout] 174 | || match event { [INFO] [stdout] 175 | || Ok(rumqttc::Event::Incoming(rumqttc::Incoming::ConnAck(_))) => { [INFO] [stdout] ... || [INFO] [stdout] 193 | || } [INFO] [stdout] 194 | || } [INFO] [stdout] | ||_____^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____| [INFO] [stdout] | [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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mqtt-aquarium` (bin "mqtt-aquarium" test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "71489078a75a4a19f98705f4eeaf0f1a42694984339edf741ef1785f459c07e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71489078a75a4a19f98705f4eeaf0f1a42694984339edf741ef1785f459c07e2", kill_on_drop: false }` [INFO] [stdout] 71489078a75a4a19f98705f4eeaf0f1a42694984339edf741ef1785f459c07e2