[INFO] fetching crate async-let 0.1.0... [INFO] checking async-let-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate async-let 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate async-let 0.1.0 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-let 0.1.0 [INFO] finished tweaking crates.io crate async-let 0.1.0 [INFO] tweaked toml for crates.io crate async-let 0.1.0 written to /workspace/builds/worker-6-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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 3 packages to latest compatible versions [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0d3a14f7f5cc9cc701a02015db5d68bcde6eefed74297e391df2fcfbf0726bad [INFO] running `Command { std: "docker" "start" "-a" "0d3a14f7f5cc9cc701a02015db5d68bcde6eefed74297e391df2fcfbf0726bad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d3a14f7f5cc9cc701a02015db5d68bcde6eefed74297e391df2fcfbf0726bad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d3a14f7f5cc9cc701a02015db5d68bcde6eefed74297e391df2fcfbf0726bad", kill_on_drop: false }` [INFO] [stdout] 0d3a14f7f5cc9cc701a02015db5d68bcde6eefed74297e391df2fcfbf0726bad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6aae178ea3b6a15078f8eb38c32ff8b43a6a82ea981eb9979c5915fff28b9969 [INFO] running `Command { std: "docker" "start" "-a" "6aae178ea3b6a15078f8eb38c32ff8b43a6a82ea981eb9979c5915fff28b9969", kill_on_drop: false }` [INFO] [stderr] Checking pollster v0.3.0 [INFO] [stderr] Checking async-let v0.1.0 (/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/lib.rs:171:13 [INFO] [stdout] | [INFO] [stdout] 167 | pub fn attach(self, fut: F) -> (Handle, Group>) [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] ... [INFO] [stdout] 171 | / Group { [INFO] [stdout] 172 | | fut_list: At { [INFO] [stdout] 173 | | node: ReadyOrNot::Not(fut), [INFO] [stdout] 174 | | tail: self.fut_list, [INFO] [stdout] 175 | | _holds_output: PhantomData, [INFO] [stdout] 176 | | }, [INFO] [stdout] 177 | | }, [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:241:15 [INFO] [stdout] | [INFO] [stdout] 235 | pub fn detach(self, handle: Handle) -> (ReadyOrNot, Group) [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 240 | let (fut, rest) = self.fut_list.detach(); [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] 241 | (fut, Group { fut_list: rest }) [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/list.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 60 | fn detach(self) -> (ReadyOrNot, Self::Output) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 61 | let (val, tail) = self.tail.detach(); [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] ... [INFO] [stdout] 64 | / At { [INFO] [stdout] 65 | | node: self.node, [INFO] [stdout] 66 | | tail, [INFO] [stdout] 67 | | _holds_output: PhantomData, [INFO] [stdout] 68 | | }, [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-let` (lib) due to 4 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:171:13 [INFO] [stdout] | [INFO] [stdout] 167 | pub fn attach(self, fut: F) -> (Handle, Group>) [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] ... [INFO] [stdout] 171 | / Group { [INFO] [stdout] 172 | | fut_list: At { [INFO] [stdout] 173 | | node: ReadyOrNot::Not(fut), [INFO] [stdout] 174 | | tail: self.fut_list, [INFO] [stdout] 175 | | _holds_output: PhantomData, [INFO] [stdout] 176 | | }, [INFO] [stdout] 177 | | }, [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:241:15 [INFO] [stdout] | [INFO] [stdout] 235 | pub fn detach(self, handle: Handle) -> (ReadyOrNot, Group) [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 240 | let (fut, rest) = self.fut_list.detach(); [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] 241 | (fut, Group { fut_list: rest }) [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/list.rs:64:13 [INFO] [stdout] | [INFO] [stdout] 60 | fn detach(self) -> (ReadyOrNot, Self::Output) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 61 | let (val, tail) = self.tail.detach(); [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] ... [INFO] [stdout] 64 | / At { [INFO] [stdout] 65 | | node: self.node, [INFO] [stdout] 66 | | tail, [INFO] [stdout] 67 | | _holds_output: PhantomData, [INFO] [stdout] 68 | | }, [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-let` (lib test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "6aae178ea3b6a15078f8eb38c32ff8b43a6a82ea981eb9979c5915fff28b9969", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6aae178ea3b6a15078f8eb38c32ff8b43a6a82ea981eb9979c5915fff28b9969", kill_on_drop: false }` [INFO] [stdout] 6aae178ea3b6a15078f8eb38c32ff8b43a6a82ea981eb9979c5915fff28b9969