[INFO] fetching crate async-event 0.2.1... [INFO] checking async-event-0.2.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate async-event 0.2.1 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate async-event 0.2.1 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-event 0.2.1 [INFO] finished tweaking crates.io crate async-event 0.2.1 [INFO] tweaked toml for crates.io crate async-event 0.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate async-event 0.2.1 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f11e2c63dbc722114082b8e7602c38f487eb96312b30c10dc06eb84ac7e9b3da [INFO] running `Command { std: "docker" "start" "-a" "f11e2c63dbc722114082b8e7602c38f487eb96312b30c10dc06eb84ac7e9b3da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f11e2c63dbc722114082b8e7602c38f487eb96312b30c10dc06eb84ac7e9b3da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f11e2c63dbc722114082b8e7602c38f487eb96312b30c10dc06eb84ac7e9b3da", kill_on_drop: false }` [INFO] [stdout] f11e2c63dbc722114082b8e7602c38f487eb96312b30c10dc06eb84ac7e9b3da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6fed47e21051e1e403e6620e3d4b42e771b23fd3d589ea8805cd895da601db7b [INFO] running `Command { std: "docker" "start" "-a" "6fed47e21051e1e403e6620e3d4b42e771b23fd3d589ea8805cd895da601db7b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.154 [INFO] [stderr] Compiling proc-macro2 v1.0.64 [INFO] [stderr] Compiling unicode-ident v1.0.10 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking pin-project-lite v0.2.10 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking smallvec v1.11.0 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Checking async-event v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `async_event_loom` [INFO] [stdout] --> src/lib.rs:766:21 [INFO] [stdout] | [INFO] [stdout] 766 | #[cfg(all(test, not(async_event_loom)))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(async_event_loom)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(async_event_loom)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: requested on the command line with `-W unexpected-cfgs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `async_event_loom` [INFO] [stdout] --> src/lib.rs:934:17 [INFO] [stdout] | [INFO] [stdout] 934 | #[cfg(all(test, async_event_loom))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(async_event_loom)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(async_event_loom)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `async_event_loom` [INFO] [stdout] --> src/loom_exports.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | #[cfg(async_event_loom)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(async_event_loom)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(async_event_loom)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `async_event_loom` [INFO] [stdout] --> src/loom_exports.rs:10:11 [INFO] [stdout] | [INFO] [stdout] 10 | #[cfg(not(async_event_loom))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(async_event_loom)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(async_event_loom)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `async_event_loom` [INFO] [stdout] --> src/loom_exports.rs:50:7 [INFO] [stdout] | [INFO] [stdout] 50 | #[cfg(async_event_loom)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(async_event_loom)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(async_event_loom)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `async_event_loom` [INFO] [stdout] --> src/loom_exports.rs:54:11 [INFO] [stdout] | [INFO] [stdout] 54 | #[cfg(not(async_event_loom))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(async_event_loom)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(async_event_loom)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `async_event_loom` [INFO] [stdout] --> src/lib.rs:467:37 [INFO] [stdout] | [INFO] [stdout] 467 | #[cfg(any(debug_assertions, async_event_loom))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(async_event_loom)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(async_event_loom)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [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:421:25 [INFO] [stdout] | [INFO] [stdout] 419 | fn new(wait_set: &'a WaitSet, predicate: F, deadline: D) -> Self { [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] 420 | Self { [INFO] [stdout] 421 | wait_until: WaitUntil::new(wait_set, predicate), [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/loom_exports.rs:63:24 [INFO] [stdout] | [INFO] [stdout] 62 | pub(crate) fn new(data: T) -> UnsafeCell { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 63 | UnsafeCell(std::cell::UnsafeCell::new(data)) [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; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `async-event` (lib) due to 3 previous errors; 7 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "6fed47e21051e1e403e6620e3d4b42e771b23fd3d589ea8805cd895da601db7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fed47e21051e1e403e6620e3d4b42e771b23fd3d589ea8805cd895da601db7b", kill_on_drop: false }` [INFO] [stdout] 6fed47e21051e1e403e6620e3d4b42e771b23fd3d589ea8805cd895da601db7b