[INFO] fetching crate remote-trait-object 0.5.0... [INFO] checking remote-trait-object-0.5.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate remote-trait-object 0.5.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate remote-trait-object 0.5.0 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 remote-trait-object 0.5.0 [INFO] finished tweaking crates.io crate remote-trait-object 0.5.0 [INFO] tweaked toml for crates.io crate remote-trait-object 0.5.0 written to /workspace/builds/worker-4-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] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (available: v1.0.0) [INFO] [stderr] Adding crossbeam v0.7.3 (available: v0.8.4) [INFO] [stderr] Adding crossbeam-channel v0.4.4 (available: v0.5.13) [INFO] [stderr] Adding crossbeam-deque v0.7.4 (available: v0.8.5) [INFO] [stderr] Adding crossbeam-epoch v0.8.2 (available: v0.9.18) [INFO] [stderr] Adding crossbeam-queue v0.2.3 (available: v0.3.11) [INFO] [stderr] Adding crossbeam-utils v0.7.2 (available: v0.8.20) [INFO] [stderr] Adding env_logger v0.7.1 (available: v0.11.5) [INFO] [stderr] Adding half v1.8.3 (available: v2.4.1) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding humantime v1.3.0 (available: v2.1.0) [INFO] [stderr] Adding linkme v0.2.10 (available: v0.3.28) [INFO] [stderr] Adding linkme-impl v0.2.10 (available: v0.3.28) [INFO] [stderr] Adding memoffset v0.5.6 (available: v0.9.1) [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 proc-macro-crate v0.1.5 (available: v3.2.0) [INFO] [stderr] Adding quick-error v1.2.3 (available: v2.0.1) [INFO] [stderr] Adding redox_syscall v0.2.16 (available: v0.5.6) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding toml v0.5.11 (available: v0.8.19) [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 68a408337f1138f5bfbb4811a5d1923c3f08e691be99528af20bd1160cb63985 [INFO] running `Command { std: "docker" "start" "-a" "68a408337f1138f5bfbb4811a5d1923c3f08e691be99528af20bd1160cb63985", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "68a408337f1138f5bfbb4811a5d1923c3f08e691be99528af20bd1160cb63985", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68a408337f1138f5bfbb4811a5d1923c3f08e691be99528af20bd1160cb63985", kill_on_drop: false }` [INFO] [stdout] 68a408337f1138f5bfbb4811a5d1923c3f08e691be99528af20bd1160cb63985 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 994f2186c7ac0016bbd2624f72cfbfe43b9fbbaf3bf10ce95960bceaa9a1b270 [INFO] running `Command { std: "docker" "start" "-a" "994f2186c7ac0016bbd2624f72cfbfe43b9fbbaf3bf10ce95960bceaa9a1b270", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Checking instant v0.1.13 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Compiling linkme-impl v0.2.10 [INFO] [stderr] Checking linkme v0.2.10 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling remote-trait-object-macro v0.4.1 [INFO] [stderr] Checking remote-trait-object v0.5.0 (/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/service/export_import.rs:132:5 [INFO] [stdout] | [INFO] [stdout] 130 | service: Skeleton, [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 131 | ) -> HandleToExchange { [INFO] [stdout] 132 | / context [INFO] [stdout] 133 | | .get_port() [INFO] [stdout] 134 | | .upgrade() [INFO] [stdout] 135 | | .unwrap() [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 `ExportEntry` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/service/serde_support.rs:80:15 [INFO] [stdout] | [INFO] [stdout] 79 | pub(crate) fn get_raw_export(self) -> Skeleton { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 80 | match self.service.into_inner() { [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] warning: field `handle` is never read [INFO] [stdout] --> src/service/null.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 75 | pub struct NullServiceProxy { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 76 | handle: crate::macro_env::Handle, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `NullServiceProxy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `remote-trait-object` (lib) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/service/export_import.rs:132:5 [INFO] [stdout] | [INFO] [stdout] 130 | service: Skeleton, [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 131 | ) -> HandleToExchange { [INFO] [stdout] 132 | / context [INFO] [stdout] 133 | | .get_port() [INFO] [stdout] 134 | | .upgrade() [INFO] [stdout] 135 | | .unwrap() [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 `ExportEntry` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/service/serde_support.rs:80:15 [INFO] [stdout] | [INFO] [stdout] 79 | pub(crate) fn get_raw_export(self) -> Skeleton { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 80 | match self.service.into_inner() { [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 `Arc` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/service/serde_support.rs:478:21 [INFO] [stdout] | [INFO] [stdout] 453 | let port = Arc::new(MockPort { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 478 | let foo_arc: Arc = Arc::new(FooImpl); [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] warning: field `handle` is never read [INFO] [stdout] --> src/service/null.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 75 | pub struct NullServiceProxy { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 76 | handle: crate::macro_env::Handle, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `NullServiceProxy` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `remote-trait-object` (lib test) due to 4 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "994f2186c7ac0016bbd2624f72cfbfe43b9fbbaf3bf10ce95960bceaa9a1b270", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "994f2186c7ac0016bbd2624f72cfbfe43b9fbbaf3bf10ce95960bceaa9a1b270", kill_on_drop: false }` [INFO] [stdout] 994f2186c7ac0016bbd2624f72cfbfe43b9fbbaf3bf10ce95960bceaa9a1b270