[INFO] fetching crate pcf857x 0.4.0... [INFO] checking pcf857x-0.4.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate pcf857x 0.4.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate pcf857x 0.4.0 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 pcf857x 0.4.0 [INFO] finished tweaking crates.io crate pcf857x 0.4.0 [INFO] tweaked toml for crates.io crate pcf857x 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate pcf857x 0.4.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f57a5b6a1da29d80096f75db3fba2d3cd3b7ca429a70894878278b4e8f08c389 [INFO] running `Command { std: "docker" "start" "-a" "f57a5b6a1da29d80096f75db3fba2d3cd3b7ca429a70894878278b4e8f08c389", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f57a5b6a1da29d80096f75db3fba2d3cd3b7ca429a70894878278b4e8f08c389", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f57a5b6a1da29d80096f75db3fba2d3cd3b7ca429a70894878278b4e8f08c389", kill_on_drop: false }` [INFO] [stdout] f57a5b6a1da29d80096f75db3fba2d3cd3b7ca429a70894878278b4e8f08c389 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a84d6e6d583e0bdc7259fd27397723b0f65ec64579d8033aabdd0116d5306ea9 [INFO] running `Command { std: "docker" "start" "-a" "a84d6e6d583e0bdc7259fd27397723b0f65ec64579d8033aabdd0116d5306ea9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking nb v1.0.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Checking embedded-hal v0.2.5 [INFO] [stderr] Checking embedded-hal-mock v0.7.2 [INFO] [stderr] Checking pcf857x v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `embedded_hal::digital::v2::OutputPin` [INFO] [stdout] --> src/devices/pcf8574.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub use embedded_hal::digital::v2::OutputPin; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `embedded_hal::digital::v2::OutputPin` [INFO] [stdout] --> src/devices/pcf8575.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub use embedded_hal::digital::v2::OutputPin; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Pcf8574Data` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/devices/pcf8574.rs:45:17 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn destroy(self) -> I2C { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 45 | self.data.into_inner().i2c [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 151 | pcf8574!(Pcf8574, Pcf8574Data, 0b010_0000); [INFO] [stdout] | ------------------------------------------ in this macro invocation [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] = note: this error originates in the macro `pcf8574` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Pcf8574aData` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/devices/pcf8574.rs:45:17 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn destroy(self) -> I2C { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 45 | self.data.into_inner().i2c [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 152 | pcf8574!(Pcf8574a, Pcf8574aData, 0b011_1000); [INFO] [stdout] | -------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: this error originates in the macro `pcf8574` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Pcf8575Data` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/devices/pcf8575.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn destroy(self) -> I2C { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 43 | self.dev.into_inner().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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pcf857x` (lib) due to 4 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a84d6e6d583e0bdc7259fd27397723b0f65ec64579d8033aabdd0116d5306ea9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a84d6e6d583e0bdc7259fd27397723b0f65ec64579d8033aabdd0116d5306ea9", kill_on_drop: false }` [INFO] [stdout] a84d6e6d583e0bdc7259fd27397723b0f65ec64579d8033aabdd0116d5306ea9