[INFO] fetching crate uexec 0.1.4... [INFO] checking uexec-0.1.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate uexec 0.1.4 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate uexec 0.1.4 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 uexec 0.1.4 [INFO] finished tweaking crates.io crate uexec 0.1.4 [INFO] tweaked toml for crates.io crate uexec 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate uexec 0.1.4 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] fb1e65e3c338b4f56b7e2c7e950265924c539673e09a6d607982f17373f22985 [INFO] running `Command { std: "docker" "start" "-a" "fb1e65e3c338b4f56b7e2c7e950265924c539673e09a6d607982f17373f22985", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb1e65e3c338b4f56b7e2c7e950265924c539673e09a6d607982f17373f22985", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb1e65e3c338b4f56b7e2c7e950265924c539673e09a6d607982f17373f22985", kill_on_drop: false }` [INFO] [stdout] fb1e65e3c338b4f56b7e2c7e950265924c539673e09a6d607982f17373f22985 [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] b3e0cd34999b6dd9c3e1178776761e58d8321a6aa48a36b8a9455165cc5c36bc [INFO] running `Command { std: "docker" "start" "-a" "b3e0cd34999b6dd9c3e1178776761e58d8321a6aa48a36b8a9455165cc5c36bc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Compiling crossbeam-utils v0.8.4 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Checking futures-core v0.3.14 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Checking fastrand v1.4.1 [INFO] [stderr] Checking spinning_top v0.2.3 [INFO] [stderr] Checking futures-sink v0.3.14 [INFO] [stderr] Checking futures-io v0.3.14 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking easy-parallel v3.1.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking futures-lite v1.11.3 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking nanorand v0.5.2 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Compiling pin-project-internal v1.0.7 [INFO] [stderr] Checking pin-project v1.0.7 [INFO] [stderr] Checking flume v0.10.5 [INFO] [stderr] Checking uexec v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/executor.rs:70:28 [INFO] [stdout] | [INFO] [stdout] 67 | let main_task_exited = main_task.exited(); [INFO] [stdout] | ---------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 68 | let handle = self._spawn(LocalFuture(future), Some(main_task)); [INFO] [stdout] 69 | let mut receiver = Receiver::new(handle, parker.unparker().clone()); [INFO] [stdout] | ------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 70 | if let Some(res) = crate::EXECUTOR.poll_receiver(&mut receiver) { [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: this value of type `Poll>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/handle.rs:30:15 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn cancel(mut self) -> Option { [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 30 | match self.receiver_fut.as_mut().poll(&mut cx) { [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: this value of type `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/state.rs:37:31 [INFO] [stdout] | [INFO] [stdout] 36 | let mut futures = self.0.lock(); [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 37 | if let Some(future) = futures.pending.remove(&id) { [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: this value of type `Option<(u8, Unparker)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/threads.rs:30:42 [INFO] [stdout] | [INFO] [stdout] 29 | let mut threads = self.0.write(); [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 30 | if let Some((count, unparker)) = threads.remove(&thread) { [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: this value of type `Result<(), Box>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/workers.rs:48:27 [INFO] [stdout] | [INFO] [stdout] 47 | fn terminate(self) { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 48 | if let Err(err) = self.thread.join() { [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 `uexec` (lib test) due to 6 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/executor.rs:70:28 [INFO] [stdout] | [INFO] [stdout] 67 | let main_task_exited = main_task.exited(); [INFO] [stdout] | ---------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 68 | let handle = self._spawn(LocalFuture(future), Some(main_task)); [INFO] [stdout] 69 | let mut receiver = Receiver::new(handle, parker.unparker().clone()); [INFO] [stdout] | ------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 70 | if let Some(res) = crate::EXECUTOR.poll_receiver(&mut receiver) { [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: this value of type `Poll>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/handle.rs:30:15 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn cancel(mut self) -> Option { [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 30 | match self.receiver_fut.as_mut().poll(&mut cx) { [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: this value of type `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/state.rs:37:31 [INFO] [stdout] | [INFO] [stdout] 36 | let mut futures = self.0.lock(); [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 37 | if let Some(future) = futures.pending.remove(&id) { [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: this value of type `Option<(u8, Unparker)>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/threads.rs:30:42 [INFO] [stdout] | [INFO] [stdout] 29 | let mut threads = self.0.write(); [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 30 | if let Some((count, unparker)) = threads.remove(&thread) { [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: this value of type `Result<(), Box>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/workers.rs:48:27 [INFO] [stdout] | [INFO] [stdout] 47 | fn terminate(self) { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 48 | if let Err(err) = self.thread.join() { [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 `uexec` (lib) due to 6 previous errors [INFO] running `Command { std: "docker" "inspect" "b3e0cd34999b6dd9c3e1178776761e58d8321a6aa48a36b8a9455165cc5c36bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3e0cd34999b6dd9c3e1178776761e58d8321a6aa48a36b8a9455165cc5c36bc", kill_on_drop: false }` [INFO] [stdout] b3e0cd34999b6dd9c3e1178776761e58d8321a6aa48a36b8a9455165cc5c36bc