[INFO] fetching crate async_executors 0.7.0... [INFO] checking async_executors-0.7.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate async_executors 0.7.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate async_executors 0.7.0 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_executors 0.7.0 [INFO] removed 10 missing examples [INFO] finished tweaking crates.io crate async_executors 0.7.0 [INFO] tweaked toml for crates.io crate async_executors 0.7.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate async_executors 0.7.0 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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 38d2eec35b2958a793b553a85e2b58f563ee49689f2918fae06cc6003458303b [INFO] running `Command { std: "docker" "start" "-a" "38d2eec35b2958a793b553a85e2b58f563ee49689f2918fae06cc6003458303b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "38d2eec35b2958a793b553a85e2b58f563ee49689f2918fae06cc6003458303b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38d2eec35b2958a793b553a85e2b58f563ee49689f2918fae06cc6003458303b", kill_on_drop: false }` [INFO] [stdout] 38d2eec35b2958a793b553a85e2b58f563ee49689f2918fae06cc6003458303b [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c3ff1a9f9286ee5cf37fe7757cc4c0bdc37e3af7c13ead2cb57e3d4ac332a2f0 [INFO] running `Command { std: "docker" "start" "-a" "c3ff1a9f9286ee5cf37fe7757cc4c0bdc37e3af7c13ead2cb57e3d4ac332a2f0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Checking pin-project-lite v0.2.10 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling semver v1.0.18 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking tracing-core v0.1.31 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking tracing-subscriber v0.3.17 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Compiling async_executors v0.7.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling quote v1.0.31 [INFO] [stderr] Compiling syn v2.0.27 [INFO] [stderr] Compiling trait-set v0.3.0 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling pin-project-internal v1.1.2 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling tracing-attributes v0.1.26 [INFO] [stderr] Compiling blanket v0.3.0 [INFO] [stderr] Checking pin-project v1.1.2 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stdout] warning: unexpected `cfg` condition name: `nightly` [INFO] [stdout] --> src/lib.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | #![ cfg_attr( nightly, feature(doc_cfg) ) ] [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(nightly)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [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/iface/local_spawn_handle.rs:44:32 [INFO] [stdout] | [INFO] [stdout] 42 | fn spawn_handle_local( &self, future: impl Future + 'static ) -> Result, SpawnError> [INFO] [stdout] | ------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 43 | { [INFO] [stdout] 44 | self.spawn_handle_local_obj( LocalFutureObj::new(future.boxed_local()) ) [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/iface/spawn_handle.rs:82:26 [INFO] [stdout] | [INFO] [stdout] 80 | fn spawn_handle( &self, future: impl Future + Send + 'static ) -> Result, SpawnError> [INFO] [stdout] | -------------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 81 | { [INFO] [stdout] 82 | self.spawn_handle_obj( FutureObj::new(future.boxed()) ) [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] error: could not compile `async_executors` (lib) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "c3ff1a9f9286ee5cf37fe7757cc4c0bdc37e3af7c13ead2cb57e3d4ac332a2f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3ff1a9f9286ee5cf37fe7757cc4c0bdc37e3af7c13ead2cb57e3d4ac332a2f0", kill_on_drop: false }` [INFO] [stdout] c3ff1a9f9286ee5cf37fe7757cc4c0bdc37e3af7c13ead2cb57e3d4ac332a2f0