[INFO] fetching crate bmx055 0.1.0... [INFO] checking bmx055-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate bmx055 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate bmx055 0.1.0 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 bmx055 0.1.0 [INFO] finished tweaking crates.io crate bmx055 0.1.0 [INFO] tweaked toml for crates.io crate bmx055 0.1.0 written to /workspace/builds/worker-4-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] Locking 33 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding embedded-hal v0.2.7 (latest: v1.0.0) [INFO] [stderr] Adding embedded-hal-mock v0.9.0 (latest: v0.11.1) [INFO] [stderr] Adding gpio-cdev v0.5.1 (latest: v0.6.0) [INFO] [stderr] Adding i2cdev v0.5.1 (latest: v0.6.1) [INFO] [stderr] Adding ioctl-rs v0.1.6 (latest: v0.2.0) [INFO] [stderr] Adding linux-embedded-hal v0.3.2 (latest: v0.4.0) [INFO] [stderr] Adding memoffset v0.6.5 (latest: v0.9.1) [INFO] [stderr] Adding nb v0.1.3 (latest: v1.1.0) [INFO] [stderr] Adding nix v0.23.2 (latest: v0.29.0) [INFO] [stderr] Adding num v0.3.1 (latest: v0.4.3) [INFO] [stderr] Adding num-complex v0.3.1 (latest: v0.4.6) [INFO] [stderr] Adding num-rational v0.3.2 (latest: v0.4.2) [INFO] [stderr] Adding spidev v0.5.2 (latest: v0.6.0) [INFO] [stderr] Adding termios v0.2.2 (latest: v0.3.3) [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] 675a5999d4e3313729d4eb8de11bb361946abd0dea8e5da94b03c271330c3e8f [INFO] running `Command { std: "docker" "start" "-a" "675a5999d4e3313729d4eb8de11bb361946abd0dea8e5da94b03c271330c3e8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "675a5999d4e3313729d4eb8de11bb361946abd0dea8e5da94b03c271330c3e8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "675a5999d4e3313729d4eb8de11bb361946abd0dea8e5da94b03c271330c3e8f", kill_on_drop: false }` [INFO] [stdout] 675a5999d4e3313729d4eb8de11bb361946abd0dea8e5da94b03c271330c3e8f [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] 7c611f4b7ac2804d30d522332c03f33e275f45ea0fb603f5573db54b861e86e6 [INFO] running `Command { std: "docker" "start" "-a" "7c611f4b7ac2804d30d522332c03f33e275f45ea0fb603f5573db54b861e86e6", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking ioctl-rs v0.1.6 [INFO] [stderr] Checking serial-core v0.4.0 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Checking serial-unix v0.4.0 [INFO] [stderr] Checking nix v0.23.2 [INFO] [stderr] Checking bmx055 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stdout] warning: method `gyr_enable_wdt` is never used [INFO] [stdout] --> src/device_impl.rs:165:8 [INFO] [stdout] | [INFO] [stdout] 86 | / impl Bmx055 [INFO] [stdout] 87 | | where [INFO] [stdout] 88 | | DI: ReadData> + WriteData>, [INFO] [stdout] | |_____________________________________________________________________________________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 165 | fn gyr_enable_wdt(&mut self) -> Result<(), Error> { [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/device_impl.rs:21:20 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn new_with_i2c(i2c: I2C) -> Self { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 20 | Bmx055 { [INFO] [stdout] 21 | iface: I2cInterface { i2c }, [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/device_impl.rs:53:20 [INFO] [stdout] | [INFO] [stdout] 47 | spi: SPI, [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 48 | chip_select_accel: CSXL, [INFO] [stdout] | ----------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 49 | chip_select_gyro: CSGYR, [INFO] [stdout] | ----------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 50 | chip_select_mag: CSMAG, [INFO] [stdout] | ---------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 53 | iface: SpiInterface { [INFO] [stdout] | ____________________^ [INFO] [stdout] 54 | | spi, [INFO] [stdout] 55 | | cs_xl: chip_select_accel, [INFO] [stdout] 56 | | cs_gyr: chip_select_gyro, [INFO] [stdout] 57 | | cs_mag: chip_select_mag, [INFO] [stdout] 58 | | }, [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/interface.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 51 | fn write_accel_register(&mut self, reg: R) -> Result<(), Self::Error> { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 52 | let payload: [u8; 2] = [R::ADDR, reg.data()]; [INFO] [stdout] 53 | self.i2c.write(ACCEL_ADDR, &payload).map_err(Error::Comm) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/interface.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 56 | fn write_gyro_register(&mut self, reg: R) -> Result<(), Self::Error> { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 57 | let payload: [u8; 2] = [R::ADDR, reg.data()]; [INFO] [stdout] 58 | self.i2c.write(GYRO_ADDR, &payload).map_err(Error::Comm) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/interface.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 61 | fn write_mag_register(&mut self, reg: R) -> Result<(), Self::Error> { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 62 | let payload: [u8; 2] = [R::ADDR, reg.data()]; [INFO] [stdout] 63 | self.i2c.write(MAG_ADDR, &payload).map_err(Error::Comm) [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 5 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bmx055` (lib) due to 6 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "7c611f4b7ac2804d30d522332c03f33e275f45ea0fb603f5573db54b861e86e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c611f4b7ac2804d30d522332c03f33e275f45ea0fb603f5573db54b861e86e6", kill_on_drop: false }` [INFO] [stdout] 7c611f4b7ac2804d30d522332c03f33e275f45ea0fb603f5573db54b861e86e6