[INFO] fetching crate i2cdriver 0.2.1... [INFO] checking i2cdriver-0.2.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate i2cdriver 0.2.1 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate i2cdriver 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 i2cdriver 0.2.1 [INFO] finished tweaking crates.io crate i2cdriver 0.2.1 [INFO] tweaked toml for crates.io crate i2cdriver 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate i2cdriver 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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1449b30a8a9f8cdf3231dce7314b25bf17f3cd2fef5b238e300b70e9b864aa5f [INFO] running `Command { std: "docker" "start" "-a" "1449b30a8a9f8cdf3231dce7314b25bf17f3cd2fef5b238e300b70e9b864aa5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1449b30a8a9f8cdf3231dce7314b25bf17f3cd2fef5b238e300b70e9b864aa5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1449b30a8a9f8cdf3231dce7314b25bf17f3cd2fef5b238e300b70e9b864aa5f", kill_on_drop: false }` [INFO] [stdout] 1449b30a8a9f8cdf3231dce7314b25bf17f3cd2fef5b238e300b70e9b864aa5f [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a39daf8713c2491e1e64adaf7fc4c27786c38dcd8a7d5286a848907f57693b5e [INFO] running `Command { std: "docker" "start" "-a" "a39daf8713c2491e1e64adaf7fc4c27786c38dcd8a7d5286a848907f57693b5e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling thiserror v1.0.50 [INFO] [stderr] Checking bitflags v2.0.2 [INFO] [stderr] Compiling lis3dh v0.4.2 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Checking scan_fmt v0.2.6 [INFO] [stderr] Compiling xflags-macros v0.3.1 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking micromath v1.1.1 [INFO] [stderr] Checking accelerometer v0.12.0 [INFO] [stderr] Checking xflags v0.3.1 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stderr] Checking libudev v0.3.0 [INFO] [stderr] Checking serialport v4.2.2 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling num_enum_derive v0.5.11 [INFO] [stderr] Checking num_enum v0.5.11 [INFO] [stderr] Checking i2cdriver v0.2.1 (/opt/rustwide/workdir) [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/lib.rs:122:12 [INFO] [stdout] | [INFO] [stdout] 119 | pub fn start_monitor(mut self) -> Result, Error> { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 122 | Ok(I2CDriver:: { [INFO] [stdout] | ____________^ [INFO] [stdout] 123 | | mode: PhantomData, [INFO] [stdout] 124 | | serial: self.serial, [INFO] [stdout] 125 | | }) [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/lib.rs:214:12 [INFO] [stdout] | [INFO] [stdout] 212 | pub fn stop_monitor(mut self) -> Result, Error> { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 213 | self.reset_driver()?; [INFO] [stdout] 214 | Ok(I2CDriver:: { [INFO] [stdout] | ____________^ [INFO] [stdout] 215 | | mode: PhantomData, [INFO] [stdout] 216 | | serial: self.serial, [INFO] [stdout] 217 | | }) [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `i2cdriver` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/lib.rs:122:12 [INFO] [stdout] | [INFO] [stdout] 119 | pub fn start_monitor(mut self) -> Result, Error> { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 122 | Ok(I2CDriver:: { [INFO] [stdout] | ____________^ [INFO] [stdout] 123 | | mode: PhantomData, [INFO] [stdout] 124 | | serial: self.serial, [INFO] [stdout] 125 | | }) [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/lib.rs:214:12 [INFO] [stdout] | [INFO] [stdout] 212 | pub fn stop_monitor(mut self) -> Result, Error> { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 213 | self.reset_driver()?; [INFO] [stdout] 214 | Ok(I2CDriver:: { [INFO] [stdout] | ____________^ [INFO] [stdout] 215 | | mode: PhantomData, [INFO] [stdout] 216 | | serial: self.serial, [INFO] [stdout] 217 | | }) [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `i2cdriver` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "a39daf8713c2491e1e64adaf7fc4c27786c38dcd8a7d5286a848907f57693b5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a39daf8713c2491e1e64adaf7fc4c27786c38dcd8a7d5286a848907f57693b5e", kill_on_drop: false }` [INFO] [stdout] a39daf8713c2491e1e64adaf7fc4c27786c38dcd8a7d5286a848907f57693b5e