[INFO] fetching crate parrot_ar_drone 0.1.3... [INFO] checking parrot_ar_drone-0.1.3 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate parrot_ar_drone 0.1.3 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate parrot_ar_drone 0.1.3 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate parrot_ar_drone 0.1.3 [INFO] finished tweaking crates.io crate parrot_ar_drone 0.1.3 [INFO] tweaked toml for crates.io crate parrot_ar_drone 0.1.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 37 packages to latest compatible versions [INFO] [stderr] Adding windows-core v0.52.0 (available: v0.58.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c616df04213c8aed1e80161492eb61897e03ebf0ca4ff14e6a2735c541c12c21 [INFO] running `Command { std: "docker" "start" "-a" "c616df04213c8aed1e80161492eb61897e03ebf0ca4ff14e6a2735c541c12c21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c616df04213c8aed1e80161492eb61897e03ebf0ca4ff14e6a2735c541c12c21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c616df04213c8aed1e80161492eb61897e03ebf0ca4ff14e6a2735c541c12c21", kill_on_drop: false }` [INFO] [stdout] c616df04213c8aed1e80161492eb61897e03ebf0ca4ff14e6a2735c541c12c21 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 142bed50a889ac92bc8f6f36cba6b2b15dcfa1d93f5c552eb45d4117d8d30932 [INFO] running `Command { std: "docker" "start" "-a" "142bed50a889ac92bc8f6f36cba6b2b15dcfa1d93f5c552eb45d4117d8d30932", kill_on_drop: false }` [INFO] [stderr] Checking timer v0.2.0 [INFO] [stderr] Checking parrot_ar_drone v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/communication.rs:180:15 [INFO] [stdout] | [INFO] [stdout] 176 | let socket = UdpSocket::bind(format!("0.0.0.0:{}", self.nav_data_port)) [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 180 | match socket.connect(format!("{}:{}", self.drone_ip, self.nav_data_port)) { [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: this value of type `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/communication.rs:180:15 [INFO] [stdout] | [INFO] [stdout] 176 | let socket = UdpSocket::bind(format!("0.0.0.0:{}", self.nav_data_port)) [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 180 | match socket.connect(format!("{}:{}", self.drone_ip, self.nav_data_port)) { [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: this value of type `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/communication.rs:195:15 [INFO] [stdout] | [INFO] [stdout] 191 | let socket = UdpSocket::bind(format!("0.0.0.0:{}", self.video_port)) [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 195 | match socket.connect(format!("{}:{}", self.drone_ip, self.nav_data_port)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/communication.rs:195:15 [INFO] [stdout] | [INFO] [stdout] 191 | let socket = UdpSocket::bind(format!("0.0.0.0:{}", self.video_port)) [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 195 | match socket.connect(format!("{}:{}", self.drone_ip, self.nav_data_port)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `config_data`, `config_sending`, and `send_config_save_mode` are never read [INFO] [stdout] --> src/droneconfig.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct DroneConfig { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 8 | pub config_data: Vec<(String, String)>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 9 | pub config_sending: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | pub send_config_save_mode: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `config_data`, `config_sending`, and `send_config_save_mode` are never read [INFO] [stdout] --> src/droneconfig.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct DroneConfig { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 8 | pub config_data: Vec<(String, String)>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 9 | pub config_sending: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | pub send_config_save_mode: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `parrot_ar_drone` (lib test) due to 3 previous errors; 1 warning emitted [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `parrot_ar_drone` (lib) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "142bed50a889ac92bc8f6f36cba6b2b15dcfa1d93f5c552eb45d4117d8d30932", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "142bed50a889ac92bc8f6f36cba6b2b15dcfa1d93f5c552eb45d4117d8d30932", kill_on_drop: false }` [INFO] [stdout] 142bed50a889ac92bc8f6f36cba6b2b15dcfa1d93f5c552eb45d4117d8d30932