[INFO] fetching crate async_ach-spsc 0.2.0... [INFO] checking async_ach-spsc-0.2.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate async_ach-spsc 0.2.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate async_ach-spsc 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 async_ach-spsc 0.2.0 [INFO] finished tweaking crates.io crate async_ach-spsc 0.2.0 [INFO] tweaked toml for crates.io crate async_ach-spsc 0.2.0 written to /workspace/builds/worker-3-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 54 packages to latest compatible versions [INFO] [stderr] Adding atomic v0.5.3 (latest: v0.6.0) [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 embedded-hal v0.2.7 (latest: v1.0.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [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] 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 81661831e0de5b43aae464e91de4e445011c5a18267701519647605e65b2f241 [INFO] running `Command { std: "docker" "start" "-a" "81661831e0de5b43aae464e91de4e445011c5a18267701519647605e65b2f241", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "81661831e0de5b43aae464e91de4e445011c5a18267701519647605e65b2f241", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81661831e0de5b43aae464e91de4e445011c5a18267701519647605e65b2f241", kill_on_drop: false }` [INFO] [stdout] 81661831e0de5b43aae464e91de4e445011c5a18267701519647605e65b2f241 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b8fa9c3b33f99f9e277eca2cf44bf43f83f5e3285d50d3d5aa5e1a887bc97bd7 [INFO] running `Command { std: "docker" "start" "-a" "b8fa9c3b33f99f9e277eca2cf44bf43f83f5e3285d50d3d5aa5e1a887bc97bd7", kill_on_drop: false }` [INFO] [stderr] Checking atomic v0.5.3 [INFO] [stderr] Checking bare-metal v1.0.0 [INFO] [stderr] Checking spin_loop v0.1.1 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking ach-spsc v0.2.0 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking interrupt v0.1.3 [INFO] [stderr] Checking ach-util v0.1.16 [INFO] [stderr] Checking ach-cell v0.1.17 [INFO] [stderr] Checking ach-option v0.1.0 [INFO] [stderr] Checking ach-linked v0.2.2 [INFO] [stderr] Checking ach-array v0.1.8 [INFO] [stderr] Checking async_ach-waker v0.2.1 [INFO] [stderr] Checking async_ach-notify v0.1.6 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking async_ach-spsc v0.2.0 (/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/heapless.rs:22:14 [INFO] [stdout] | [INFO] [stdout] 21 | let sender = self.buf.take_sender()?; [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 22 | Some(Sender { [INFO] [stdout] | ______________^ [INFO] [stdout] 23 | | parent: self, [INFO] [stdout] 24 | | sender, [INFO] [stdout] 25 | | }) [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] = 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/heapless.rs:29:14 [INFO] [stdout] | [INFO] [stdout] 28 | let recver = self.buf.take_recver()?; [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 29 | Some(Receiver { [INFO] [stdout] | ______________^ [INFO] [stdout] 30 | | parent: self, [INFO] [stdout] 31 | | recver, [INFO] [stdout] 32 | | }) [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/heapless.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn try_send(&mut self, val: T) -> Result<(), T> { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 42 | self.sender.try_send(val).map(|_| { [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `async_ach-spsc` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "b8fa9c3b33f99f9e277eca2cf44bf43f83f5e3285d50d3d5aa5e1a887bc97bd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8fa9c3b33f99f9e277eca2cf44bf43f83f5e3285d50d3d5aa5e1a887bc97bd7", kill_on_drop: false }` [INFO] [stdout] b8fa9c3b33f99f9e277eca2cf44bf43f83f5e3285d50d3d5aa5e1a887bc97bd7