[INFO] fetching crate scd4x-rs 0.2.0... [INFO] checking scd4x-rs-0.2.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate scd4x-rs 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate scd4x-rs 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 scd4x-rs 0.2.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate scd4x-rs 0.2.0 [INFO] tweaked toml for crates.io crate scd4x-rs 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate scd4x-rs 0.2.0 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" "+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] 4059ed95652a4addf7eebda5da1372ddfe4745f712dfd4dfdb38934b9ef75d93 [INFO] running `Command { std: "docker" "start" "-a" "4059ed95652a4addf7eebda5da1372ddfe4745f712dfd4dfdb38934b9ef75d93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4059ed95652a4addf7eebda5da1372ddfe4745f712dfd4dfdb38934b9ef75d93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4059ed95652a4addf7eebda5da1372ddfe4745f712dfd4dfdb38934b9ef75d93", kill_on_drop: false }` [INFO] [stdout] 4059ed95652a4addf7eebda5da1372ddfe4745f712dfd4dfdb38934b9ef75d93 [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] 69524b4df2dc4581f10564d92a0d6c6098eced67f2cdb3c6c1a414bff46b898d [INFO] running `Command { std: "docker" "start" "-a" "69524b4df2dc4581f10564d92a0d6c6098eced67f2cdb3c6c1a414bff46b898d", kill_on_drop: false }` [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking embedded-hal v1.0.0 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Compiling embedded-hal-async v1.0.0 [INFO] [stderr] Compiling paste v1.0.15 [INFO] [stderr] Compiling libftd2xx-ffi v0.8.6 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Checking ftdi-mpsse v0.1.1 [INFO] [stderr] Checking utf8parse v0.2.2 [INFO] [stderr] Compiling thiserror v1.0.61 [INFO] [stderr] Compiling syn v2.0.68 [INFO] [stderr] Checking anstyle-parse v0.2.4 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking embedded-hal-nb v1.0.0 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking colorchoice v1.0.1 [INFO] [stderr] Checking anstyle-query v1.1.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking anstyle v1.0.7 [INFO] [stderr] Compiling libftdi1-sys v1.1.3 [INFO] [stderr] Checking is_terminal_polyfill v1.70.0 [INFO] [stderr] Checking libftd2xx v0.32.4 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Checking embedded-hal-mock v0.11.1 [INFO] [stderr] Checking anstream v0.6.14 [INFO] [stderr] Checking scd4x-rs v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking ftdi-embedded-hal v0.22.0 [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/blocking/sensor.rs:84:12 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn start_periodic_measurement(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] 84 | Ok(Scd4x { [INFO] [stdout] | ____________^ [INFO] [stdout] 85 | | i2c: self.i2c, [INFO] [stdout] 86 | | address: self.address, [INFO] [stdout] 87 | | delay: self.delay, [INFO] [stdout] 88 | | _state: PhantomData, [INFO] [stdout] 89 | | }) [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/blocking/sensor.rs:211:12 [INFO] [stdout] | [INFO] [stdout] 200 | mut self, [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 211 | Ok(Scd4x { [INFO] [stdout] | ____________^ [INFO] [stdout] 212 | | i2c: self.i2c, [INFO] [stdout] 213 | | address: self.address, [INFO] [stdout] 214 | | delay: self.delay, [INFO] [stdout] 215 | | _state: PhantomData, [INFO] [stdout] 216 | | }) [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/blocking/sensor.rs:290:12 [INFO] [stdout] | [INFO] [stdout] 285 | pub fn measure_single_shot(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] 290 | Ok(Scd4x { [INFO] [stdout] | ____________^ [INFO] [stdout] 291 | | i2c: self.i2c, [INFO] [stdout] 292 | | address: self.address, [INFO] [stdout] 293 | | delay: self.delay, [INFO] [stdout] 294 | | _state: PhantomData, [INFO] [stdout] 295 | | }) [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/blocking/sensor.rs:313:12 [INFO] [stdout] | [INFO] [stdout] 303 | pub fn measure_single_shot_rht_only(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] 313 | Ok(Scd4x { [INFO] [stdout] | ____________^ [INFO] [stdout] 314 | | i2c: self.i2c, [INFO] [stdout] 315 | | address: self.address, [INFO] [stdout] 316 | | delay: self.delay, [INFO] [stdout] 317 | | _state: PhantomData, [INFO] [stdout] 318 | | }) [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/blocking/sensor.rs:393:12 [INFO] [stdout] | [INFO] [stdout] 383 | pub fn stop_periodic_measurement(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] 393 | Ok(Scd4x { [INFO] [stdout] | ____________^ [INFO] [stdout] 394 | | i2c: self.i2c, [INFO] [stdout] 395 | | address: self.address, [INFO] [stdout] 396 | | delay: self.delay, [INFO] [stdout] 397 | | _state: PhantomData, [INFO] [stdout] 398 | | }) [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `scd4x-rs` (lib) due to 6 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "69524b4df2dc4581f10564d92a0d6c6098eced67f2cdb3c6c1a414bff46b898d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69524b4df2dc4581f10564d92a0d6c6098eced67f2cdb3c6c1a414bff46b898d", kill_on_drop: false }` [INFO] [stdout] 69524b4df2dc4581f10564d92a0d6c6098eced67f2cdb3c6c1a414bff46b898d