[INFO] fetching crate canadensis_bxcan 0.3.0... [INFO] checking canadensis_bxcan-0.3.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate canadensis_bxcan 0.3.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate canadensis_bxcan 0.3.0 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 canadensis_bxcan 0.3.0 [INFO] finished tweaking crates.io crate canadensis_bxcan 0.3.0 [INFO] tweaked toml for crates.io crate canadensis_bxcan 0.3.0 written to /workspace/builds/worker-2-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] Updating crates.io index [INFO] [stderr] Locking 55 packages to latest compatible versions [INFO] [stderr] Adding bare-metal v0.2.5 (latest: v1.0.0) [INFO] [stderr] Adding bitfield v0.13.2 (latest: v0.16.1) [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 hash32 v0.2.1 (latest: v0.3.1) [INFO] [stderr] Adding hashbrown v0.13.2 (latest: v0.14.5) [INFO] [stderr] Adding heapless v0.7.17 (latest: v0.8.0) [INFO] [stderr] Adding nb v0.1.3 (latest: v1.1.0) [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 v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding zerocopy v0.6.6 (latest: v0.7.35) [INFO] [stderr] Adding zerocopy-derive v0.6.6 (latest: v0.7.35) [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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 54c2a2acf3884e3756f9d345069d50d88b8bce70b38df41863ff050251d8e6dd [INFO] running `Command { std: "docker" "start" "-a" "54c2a2acf3884e3756f9d345069d50d88b8bce70b38df41863ff050251d8e6dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "54c2a2acf3884e3756f9d345069d50d88b8bce70b38df41863ff050251d8e6dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54c2a2acf3884e3756f9d345069d50d88b8bce70b38df41863ff050251d8e6dd", kill_on_drop: false }` [INFO] [stdout] 54c2a2acf3884e3756f9d345069d50d88b8bce70b38df41863ff050251d8e6dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1aee62f10b01be78ddff58d961bb114bafa5867c91ce9add76418983b21d1c69 [INFO] running `Command { std: "docker" "start" "-a" "1aee62f10b01be78ddff58d961bb114bafa5867c91ce9add76418983b21d1c69", kill_on_drop: false }` [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Checking vcell v0.1.3 [INFO] [stderr] Compiling cortex-m v0.7.7 [INFO] [stderr] Checking canadensis_filter_config v0.2.2 [INFO] [stderr] Checking bitfield v0.13.2 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking crc-any v2.5.0 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking volatile-register v0.2.2 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking ahash v0.8.11 [INFO] [stderr] Checking bxcan v0.7.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking hashbrown v0.13.2 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Checking fallible_collections v0.4.9 [INFO] [stderr] Compiling hash32-derive v0.1.1 [INFO] [stderr] Compiling zerocopy-derive v0.6.6 [INFO] [stderr] Compiling canadensis_derive_register_block v0.2.2 [INFO] [stderr] Checking canadensis_core v0.3.0 [INFO] [stderr] Checking canadensis_can v0.3.0 [INFO] [stderr] Checking zerocopy v0.6.6 [INFO] [stderr] Checking half v2.4.1 [INFO] [stderr] Checking canadensis_encoding v0.3.1 [INFO] [stderr] Checking canadensis_data_types v0.3.1 [INFO] [stderr] Checking canadensis v0.3.1 [INFO] [stderr] Checking canadensis_pnp_client v0.3.0 [INFO] [stderr] Checking canadensis_bxcan v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 115 | Err(nb::Error::Other(infallible)) => match infallible {}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 115 | Err(nb::Error::Other(infallible)) => match infallible {}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` 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/lib.rs:64:30 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn new(can: Can) -> Self { [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 64 | loopback_frames: Deque::new(), [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:64:30 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn new(can: Can) -> Self { [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 64 | loopback_frames: Deque::new(), [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:344:8 [INFO] [stdout] | [INFO] [stdout] 336 | timestamp: I, [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 344 | Ok(canadensis_can::Frame::new( [INFO] [stdout] | ________^ [INFO] [stdout] 345 | | timestamp, [INFO] [stdout] 346 | | cyphal_id, [INFO] [stdout] 347 | | cyphal_data.as_ref(), [INFO] [stdout] 348 | | )) [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/pnp.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn new(clock: C, can: Can, unique_id: [u8; 16]) -> Result> { [INFO] [stdout] | -------- ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 34 | let driver = BxCanDriver::new(can); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 35 | let mut driver = SingleQueueDriver::new(SingleFrameQueue::new(), driver); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 36 | let transmitter = CanTransmitter::new(Mtu::Can8); [INFO] [stdout] 37 | let receiver = CanReceiver::new_anonymous(Mtu::Can8); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 38 | let client = PnpClient::new(transmitter, receiver, unique_id, &mut driver)?; [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 39 | Ok(BxCanPnpClient { [INFO] [stdout] | ____________^ [INFO] [stdout] 40 | | clock, [INFO] [stdout] 41 | | client, [INFO] [stdout] 42 | | driver, [INFO] [stdout] 43 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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/lib.rs:344:8 [INFO] [stdout] | [INFO] [stdout] 336 | timestamp: I, [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 344 | Ok(canadensis_can::Frame::new( [INFO] [stdout] | ________^ [INFO] [stdout] 345 | | timestamp, [INFO] [stdout] 346 | | cyphal_id, [INFO] [stdout] 347 | | cyphal_data.as_ref(), [INFO] [stdout] 348 | | )) [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; 1 warning emitted [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/pnp.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn new(clock: C, can: Can, unique_id: [u8; 16]) -> Result> { [INFO] [stdout] | -------- ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 34 | let driver = BxCanDriver::new(can); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 35 | let mut driver = SingleQueueDriver::new(SingleFrameQueue::new(), driver); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 36 | let transmitter = CanTransmitter::new(Mtu::Can8); [INFO] [stdout] 37 | let receiver = CanReceiver::new_anonymous(Mtu::Can8); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 38 | let client = PnpClient::new(transmitter, receiver, unique_id, &mut driver)?; [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 39 | Ok(BxCanPnpClient { [INFO] [stdout] | ____________^ [INFO] [stdout] 40 | | clock, [INFO] [stdout] 41 | | client, [INFO] [stdout] 42 | | driver, [INFO] [stdout] 43 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `canadensis_bxcan` (lib) due to 4 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `canadensis_bxcan` (lib test) due to 4 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "1aee62f10b01be78ddff58d961bb114bafa5867c91ce9add76418983b21d1c69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1aee62f10b01be78ddff58d961bb114bafa5867c91ce9add76418983b21d1c69", kill_on_drop: false }` [INFO] [stdout] 1aee62f10b01be78ddff58d961bb114bafa5867c91ce9add76418983b21d1c69