[INFO] fetching crate future-mediator 0.1.2... [INFO] checking future-mediator-0.1.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate future-mediator 0.1.2 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate future-mediator 0.1.2 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 future-mediator 0.1.2 [INFO] finished tweaking crates.io crate future-mediator 0.1.2 [INFO] tweaked toml for crates.io crate future-mediator 0.1.2 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 48 packages to latest compatible versions [INFO] [stderr] Adding env_logger v0.10.2 (available: v0.11.5) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [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-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 50948a0ab8848620c67a83df6210ae3d39af27c5bad66a8f2458ab4eb66c5468 [INFO] running `Command { std: "docker" "start" "-a" "50948a0ab8848620c67a83df6210ae3d39af27c5bad66a8f2458ab4eb66c5468", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50948a0ab8848620c67a83df6210ae3d39af27c5bad66a8f2458ab4eb66c5468", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50948a0ab8848620c67a83df6210ae3d39af27c5bad66a8f2458ab4eb66c5468", kill_on_drop: false }` [INFO] [stdout] 50948a0ab8848620c67a83df6210ae3d39af27c5bad66a8f2458ab4eb66c5468 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 36049cf16cd23f5fea9d8ed7f88e1d5b3643cd16206cffada80adf8d81dc85b0 [INFO] running `Command { std: "docker" "start" "-a" "36049cf16cd23f5fea9d8ed7f88e1d5b3643cd16206cffada80adf8d81dc85b0", kill_on_drop: false }` [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking is-terminal v0.4.13 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Compiling bitmask-enum v2.2.4 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking env_logger v0.10.2 [INFO] [stderr] Checking pretty_env_logger v0.5.0 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking futures-test v0.3.30 [INFO] [stderr] Checking future-mediator v0.1.2 (/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/lib.rs:45:30 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn notify(&mut self, event: E) [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 45 | if let Some(waker) = self.wakers.remove(&event) { [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/lib.rs:222:15 [INFO] [stdout] | [INFO] [stdout] 205 | let mut lock_future = if let Some(lock_future) = self.lock_future.take() { [INFO] [stdout] | --------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 211 | let mut raw = match lock_future.poll_unpin(cx) { [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 220 | let mut f = self.f.take().unwrap(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 221 | [INFO] [stdout] 222 | match f(&mut raw, 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: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `future-mediator` (lib) due to 3 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/lib.rs:45:30 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn notify(&mut self, event: E) [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 45 | if let Some(waker) = self.wakers.remove(&event) { [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/lib.rs:222:15 [INFO] [stdout] | [INFO] [stdout] 205 | let mut lock_future = if let Some(lock_future) = self.lock_future.take() { [INFO] [stdout] | --------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 211 | let mut raw = match lock_future.poll_unpin(cx) { [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 220 | let mut f = self.f.take().unwrap(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 221 | [INFO] [stdout] 222 | match f(&mut raw, 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: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `future-mediator` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "36049cf16cd23f5fea9d8ed7f88e1d5b3643cd16206cffada80adf8d81dc85b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36049cf16cd23f5fea9d8ed7f88e1d5b3643cd16206cffada80adf8d81dc85b0", kill_on_drop: false }` [INFO] [stdout] 36049cf16cd23f5fea9d8ed7f88e1d5b3643cd16206cffada80adf8d81dc85b0