[INFO] fetching crate rust_gpiozero 0.2.1... [INFO] checking rust_gpiozero-0.2.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate rust_gpiozero 0.2.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate rust_gpiozero 0.2.1 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 crates.io crate rust_gpiozero 0.2.1 [INFO] finished tweaking crates.io crate rust_gpiozero 0.2.1 [INFO] tweaked toml for crates.io crate rust_gpiozero 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate rust_gpiozero 0.2.1 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] 046e8acb7218c3d7b20c1aaf7ca59769d716370fd0ca6725309a445635ee245e [INFO] running `Command { std: "docker" "start" "-a" "046e8acb7218c3d7b20c1aaf7ca59769d716370fd0ca6725309a445635ee245e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "046e8acb7218c3d7b20c1aaf7ca59769d716370fd0ca6725309a445635ee245e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "046e8acb7218c3d7b20c1aaf7ca59769d716370fd0ca6725309a445635ee245e", kill_on_drop: false }` [INFO] [stdout] 046e8acb7218c3d7b20c1aaf7ca59769d716370fd0ca6725309a445635ee245e [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] 182a632af72968ba5f51535ec2a10ae0ef0ba61660caac2d379d4cd9e042e82c [INFO] running `Command { std: "docker" "start" "-a" "182a632af72968ba5f51535ec2a10ae0ef0ba61660caac2d379d4cd9e042e82c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking rppal v0.12.0 [INFO] [stderr] Checking rust_gpiozero v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `inactive_state` is never read [INFO] [stdout] --> src/devices.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct GpioDevice { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 34 | inactive_state: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GpioDevice` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `bounce_time` is never read [INFO] [stdout] --> src/input_devices.rs:101:5 [INFO] [stdout] | [INFO] [stdout] 97 | pub struct DigitalInputDevice { [INFO] [stdout] | ------------------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 101 | bounce_time: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DigitalInputDevice` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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/output_devices.rs:628:22 [INFO] [stdout] | [INFO] [stdout] 625 | let forward = PWMOutputDevice::new(forward_pin); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 626 | let backward = PWMOutputDevice::new(backward_pin); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 627 | Motor { [INFO] [stdout] 628 | devices: MotorCompositeDevice(forward, backward), [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_gpiozero` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] [stdout] warning: field `inactive_state` is never read [INFO] [stdout] --> src/devices.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct GpioDevice { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 34 | inactive_state: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `GpioDevice` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `bounce_time` is never read [INFO] [stdout] --> src/input_devices.rs:101:5 [INFO] [stdout] | [INFO] [stdout] 97 | pub struct DigitalInputDevice { [INFO] [stdout] | ------------------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 101 | bounce_time: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DigitalInputDevice` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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/output_devices.rs:628:22 [INFO] [stdout] | [INFO] [stdout] 625 | let forward = PWMOutputDevice::new(forward_pin); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 626 | let backward = PWMOutputDevice::new(backward_pin); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 627 | Motor { [INFO] [stdout] 628 | devices: MotorCompositeDevice(forward, backward), [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_gpiozero` (lib) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "182a632af72968ba5f51535ec2a10ae0ef0ba61660caac2d379d4cd9e042e82c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "182a632af72968ba5f51535ec2a10ae0ef0ba61660caac2d379d4cd9e042e82c", kill_on_drop: false }` [INFO] [stdout] 182a632af72968ba5f51535ec2a10ae0ef0ba61660caac2d379d4cd9e042e82c