[INFO] fetching crate enfync 0.1.6... [INFO] checking enfync-0.1.6 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate enfync 0.1.6 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate enfync 0.1.6 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 enfync 0.1.6 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate enfync 0.1.6 [INFO] tweaked toml for crates.io crate enfync 0.1.6 written to /workspace/builds/worker-5-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 68 packages to latest compatible versions [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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e38e480625154f10e149f74fc9dc7a881479064c3840be8c26a5cff9805d9f81 [INFO] running `Command { std: "docker" "start" "-a" "e38e480625154f10e149f74fc9dc7a881479064c3840be8c26a5cff9805d9f81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e38e480625154f10e149f74fc9dc7a881479064c3840be8c26a5cff9805d9f81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e38e480625154f10e149f74fc9dc7a881479064c3840be8c26a5cff9805d9f81", kill_on_drop: false }` [INFO] [stdout] e38e480625154f10e149f74fc9dc7a881479064c3840be8c26a5cff9805d9f81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6fbc41c08bd986aa20cddf61199d9848ddde28458226facf86b12fce089633eb [INFO] running `Command { std: "docker" "start" "-a" "6fbc41c08bd986aa20cddf61199d9848ddde28458226facf86b12fce089633eb", kill_on_drop: false }` [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling async-trait v0.1.83 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking enfync v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused implementer of `futures::Future` that must be used [INFO] [stdout] --> src/spawners.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | self.spawn(task); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused implementer of `futures::Future` that must be used [INFO] [stdout] --> src/spawners.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | self.spawn(task); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `PendingResult` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/test/test_suite.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 28 | async fn basic_try_extract(handle: impl enfync::Handle) [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 37 | let mut pending_result = handle.spawn(task); [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 `PendingResult` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/test/test_suite.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 80 | async fn basic_extract(handle: impl enfync::Handle) [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 89 | let mut pending_result = handle.spawn(task); [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 `PendingResult>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/test/test_suite.rs:112:9 [INFO] [stdout] | [INFO] [stdout] 99 | async fn basic_nesting(handle: impl enfync::Handle) [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 112 | let mut pending_result = handle.spawn(async move { pending_result.extract().await }); [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 `enfync` (test "test") due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "6fbc41c08bd986aa20cddf61199d9848ddde28458226facf86b12fce089633eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fbc41c08bd986aa20cddf61199d9848ddde28458226facf86b12fce089633eb", kill_on_drop: false }` [INFO] [stdout] 6fbc41c08bd986aa20cddf61199d9848ddde28458226facf86b12fce089633eb