[INFO] fetching crate k210-hal 0.2.0... [INFO] checking k210-hal-0.2.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate k210-hal 0.2.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate k210-hal 0.2.0 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 k210-hal 0.2.0 [INFO] finished tweaking crates.io crate k210-hal 0.2.0 [INFO] tweaked toml for crates.io crate k210-hal 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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 23 packages to latest compatible versions [INFO] [stderr] Adding bare-metal v0.2.5 (latest: v1.0.0) [INFO] [stderr] Adding bit_field v0.9.0 (latest: v0.10.2) [INFO] [stderr] Adding embedded-hal v0.2.7 (latest: v1.0.0) [INFO] [stderr] Adding nb v0.1.3 (latest: v1.1.0) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.86) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.37) [INFO] [stderr] Adding r0 v0.2.2 (latest: v1.0.0) [INFO] [stderr] Adding rand v0.5.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding riscv v0.5.4 (latest: v0.11.1) [INFO] [stderr] Adding riscv-rt v0.6.2 (latest: v0.12.2) [INFO] [stderr] Adding riscv-rt-macros v0.1.6 (latest: v0.2.1) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.1) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.23) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.77) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.5) [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 75926684dc02903f0615d007931a2ec257f6578439156de5fab74fd95d570c4f [INFO] running `Command { std: "docker" "start" "-a" "75926684dc02903f0615d007931a2ec257f6578439156de5fab74fd95d570c4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "75926684dc02903f0615d007931a2ec257f6578439156de5fab74fd95d570c4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75926684dc02903f0615d007931a2ec257f6578439156de5fab74fd95d570c4f", kill_on_drop: false }` [INFO] [stdout] 75926684dc02903f0615d007931a2ec257f6578439156de5fab74fd95d570c4f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 20378dc82195c2aa18dd7a4de7f37d3dc49cdc076a7d6a40b9504f8b916c9add [INFO] running `Command { std: "docker" "start" "-a" "20378dc82195c2aa18dd7a4de7f37d3dc49cdc076a7d6a40b9504f8b916c9add", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling riscv v0.5.4 [INFO] [stderr] Checking bit_field v0.9.0 [INFO] [stderr] Compiling riscv-rt v0.6.2 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Compiling k210-pac v0.2.0 [INFO] [stderr] Checking r0 v0.2.2 [INFO] [stderr] Checking vcell v0.1.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling riscv-rt-macros v0.1.6 [INFO] [stderr] Checking k210-hal v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `gpiohs` is never used [INFO] [stdout] --> src/fpioa.rs:268:12 [INFO] [stdout] | [INFO] [stdout] 266 | impl Function { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 267 | /** GPIOHS pin to function */ [INFO] [stdout] 268 | pub fn gpiohs(num: u8) -> Function { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/fpioa.rs:336:5 [INFO] [stdout] | [INFO] [stdout] 335 | pub enum UartFunction { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] 336 | CTS, /* UART Clear To Send */ [INFO] [stdout] | ^^^ [INFO] [stdout] 337 | DSR, /* UART Data Set Ready */ [INFO] [stdout] | ^^^ [INFO] [stdout] 338 | DCD, /* UART Data Carrier Detect */ [INFO] [stdout] | ^^^ [INFO] [stdout] 339 | RI, /* UART Ring Indicator */ [INFO] [stdout] | ^^ [INFO] [stdout] 340 | SIR_IN, /* UART Serial Infrared Input */ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 341 | DTR, /* UART Data Terminal Ready */ [INFO] [stdout] | ^^^ [INFO] [stdout] 342 | RTS, /* UART Request To Send */ [INFO] [stdout] | ^^^ [INFO] [stdout] 343 | OUT2, /* UART User-designated Output 2 */ [INFO] [stdout] | ^^^^ [INFO] [stdout] 344 | OUT1, /* UART User-designated Output 1 */ [INFO] [stdout] | ^^^^ [INFO] [stdout] 345 | SIR_OUT, /* UART Serial Infrared Output */ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 346 | BAUD, /* UART Transmit Clock Output */ [INFO] [stdout] | ^^^^ [INFO] [stdout] 347 | RE, /* UART Receiver Output Enable */ [INFO] [stdout] | ^^ [INFO] [stdout] 348 | DE, /* UART Driver Output Enable */ [INFO] [stdout] | ^^ [INFO] [stdout] 349 | RS485_EN, /* UART RS485 Enable */ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UartFunction` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Pull` is never used [INFO] [stdout] --> src/fpioa.rs:355:10 [INFO] [stdout] | [INFO] [stdout] 355 | pub enum Pull { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Pull` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `clear_function` is never used [INFO] [stdout] --> src/fpioa.rs:409:8 [INFO] [stdout] | [INFO] [stdout] 409 | pub fn clear_function>(number: N) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `set_io_pull` is never used [INFO] [stdout] --> src/fpioa.rs:413:8 [INFO] [stdout] | [INFO] [stdout] 413 | pub fn set_io_pull>(number: N, pull: Pull) { [INFO] [stdout] | ^^^^^^^^^^^ [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/serial.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn split(self) -> (Tx, Rx) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 38 | ( [INFO] [stdout] 39 | / Tx { [INFO] [stdout] 40 | | uart: self.uart, [INFO] [stdout] 41 | | pins: self.pins [INFO] [stdout] 42 | | }, [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/serial.rs:43:13 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn split(self) -> (Tx, Rx) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 43 | / Rx { [INFO] [stdout] 44 | | uart: unsafe { mem::zeroed() }, [INFO] [stdout] 45 | | _pins: PhantomData, [INFO] [stdout] 46 | | } [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: aborting due to 2 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `gpiohs` is never used [INFO] [stdout] --> src/fpioa.rs:268:12 [INFO] [stdout] | [INFO] [stdout] 266 | impl Function { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 267 | /** GPIOHS pin to function */ [INFO] [stdout] 268 | pub fn gpiohs(num: u8) -> Function { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/fpioa.rs:336:5 [INFO] [stdout] | [INFO] [stdout] 335 | pub enum UartFunction { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] 336 | CTS, /* UART Clear To Send */ [INFO] [stdout] | ^^^ [INFO] [stdout] 337 | DSR, /* UART Data Set Ready */ [INFO] [stdout] | ^^^ [INFO] [stdout] 338 | DCD, /* UART Data Carrier Detect */ [INFO] [stdout] | ^^^ [INFO] [stdout] 339 | RI, /* UART Ring Indicator */ [INFO] [stdout] | ^^ [INFO] [stdout] 340 | SIR_IN, /* UART Serial Infrared Input */ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 341 | DTR, /* UART Data Terminal Ready */ [INFO] [stdout] | ^^^ [INFO] [stdout] 342 | RTS, /* UART Request To Send */ [INFO] [stdout] | ^^^ [INFO] [stdout] 343 | OUT2, /* UART User-designated Output 2 */ [INFO] [stdout] | ^^^^ [INFO] [stdout] 344 | OUT1, /* UART User-designated Output 1 */ [INFO] [stdout] | ^^^^ [INFO] [stdout] 345 | SIR_OUT, /* UART Serial Infrared Output */ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 346 | BAUD, /* UART Transmit Clock Output */ [INFO] [stdout] | ^^^^ [INFO] [stdout] 347 | RE, /* UART Receiver Output Enable */ [INFO] [stdout] | ^^ [INFO] [stdout] 348 | DE, /* UART Driver Output Enable */ [INFO] [stdout] | ^^ [INFO] [stdout] 349 | RS485_EN, /* UART RS485 Enable */ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UartFunction` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Pull` is never used [INFO] [stdout] --> src/fpioa.rs:355:10 [INFO] [stdout] | [INFO] [stdout] 355 | pub enum Pull { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Pull` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `clear_function` is never used [INFO] [stdout] --> src/fpioa.rs:409:8 [INFO] [stdout] | [INFO] [stdout] 409 | pub fn clear_function>(number: N) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `set_io_pull` is never used [INFO] [stdout] --> src/fpioa.rs:413:8 [INFO] [stdout] | [INFO] [stdout] 413 | pub fn set_io_pull>(number: N, pull: Pull) { [INFO] [stdout] | ^^^^^^^^^^^ [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/serial.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn split(self) -> (Tx, Rx) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 38 | ( [INFO] [stdout] 39 | / Tx { [INFO] [stdout] 40 | | uart: self.uart, [INFO] [stdout] 41 | | pins: self.pins [INFO] [stdout] 42 | | }, [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/serial.rs:43:13 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn split(self) -> (Tx, Rx) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 43 | / Rx { [INFO] [stdout] 44 | | uart: unsafe { mem::zeroed() }, [INFO] [stdout] 45 | | _pins: PhantomData, [INFO] [stdout] 46 | | } [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] [stderr] error: could not compile `k210-hal` (lib) due to 3 previous errors; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `k210-hal` (lib test) due to 3 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "20378dc82195c2aa18dd7a4de7f37d3dc49cdc076a7d6a40b9504f8b916c9add", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20378dc82195c2aa18dd7a4de7f37d3dc49cdc076a7d6a40b9504f8b916c9add", kill_on_drop: false }` [INFO] [stdout] 20378dc82195c2aa18dd7a4de7f37d3dc49cdc076a7d6a40b9504f8b916c9add