[INFO] fetching crate eventually-util 0.4.0... [INFO] checking eventually-util-0.4.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate eventually-util 0.4.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate eventually-util 0.4.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate eventually-util 0.4.0 [INFO] finished tweaking crates.io crate eventually-util 0.4.0 [INFO] tweaked toml for crates.io crate eventually-util 0.4.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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 50 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding bytes v0.5.6 (available: v1.7.2) [INFO] [stderr] Adding parking_lot v0.11.2 (available: v0.12.3) [INFO] [stderr] Adding parking_lot_core v0.8.6 (available: v0.9.10) [INFO] [stderr] Adding pin-project-lite v0.1.12 (available: v0.2.14) [INFO] [stderr] Adding redox_syscall v0.2.16 (available: v0.5.6) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding tokio v0.2.25 (available: v1.40.0) [INFO] [stderr] Adding tokio-macros v0.2.6 (available: v2.4.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fa19587a8d4ad3e30211ddcb9ed4499b9d77963835f4b99f1af5f317e277bf30 [INFO] running `Command { std: "docker" "start" "-a" "fa19587a8d4ad3e30211ddcb9ed4499b9d77963835f4b99f1af5f317e277bf30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fa19587a8d4ad3e30211ddcb9ed4499b9d77963835f4b99f1af5f317e277bf30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa19587a8d4ad3e30211ddcb9ed4499b9d77963835f4b99f1af5f317e277bf30", kill_on_drop: false }` [INFO] [stdout] fa19587a8d4ad3e30211ddcb9ed4499b9d77963835f4b99f1af5f317e277bf30 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1979cd2eaa3d17822aab9e999fe292cebb5f0e1b9e7435a6ca39e80bc2b9d8f0 [INFO] running `Command { std: "docker" "start" "-a" "1979cd2eaa3d17822aab9e999fe292cebb5f0e1b9e7435a6ca39e80bc2b9d8f0", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling anyhow v1.0.89 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Checking instant v0.1.13 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling thiserror-impl v1.0.64 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking thiserror v1.0.64 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking eventually-core v0.4.0 [INFO] [stderr] Checking eventually-util v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Arc` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/inmemory/store.rs:360:13 [INFO] [stdout] | [INFO] [stdout] 360 | let barrier = Arc::new(Barrier::new(2)); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 479 | tokio::join!(join_handle_1, join_handle_2); [INFO] [stdout] | ------------------------------------------ [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [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] warning: unused `Result` in tuple element 0 that must be used [INFO] [stdout] --> src/inmemory/store.rs:479:9 [INFO] [stdout] | [INFO] [stdout] 479 | tokio::join!(join_handle_1, join_handle_2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used [INFO] [stdout] --> src/inmemory/store.rs:479:9 [INFO] [stdout] | [INFO] [stdout] 479 | tokio::join!(join_handle_1, join_handle_2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `$crate::join` which comes from the expansion of the macro `tokio::join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `eventually-util` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "1979cd2eaa3d17822aab9e999fe292cebb5f0e1b9e7435a6ca39e80bc2b9d8f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1979cd2eaa3d17822aab9e999fe292cebb5f0e1b9e7435a6ca39e80bc2b9d8f0", kill_on_drop: false }` [INFO] [stdout] 1979cd2eaa3d17822aab9e999fe292cebb5f0e1b9e7435a6ca39e80bc2b9d8f0