[INFO] fetching crate kokoro-core 0.0.6...
[INFO] checking kokoro-core-0.0.6 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate kokoro-core 0.0.6 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate kokoro-core 0.0.6 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 kokoro-core 0.0.6
[INFO] finished tweaking crates.io crate kokoro-core 0.0.6
[INFO] tweaked toml for crates.io crate kokoro-core 0.0.6 written to /workspace/builds/worker-7-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]     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 28 packages to latest compatible versions
[INFO] [stderr]       Adding dashmap v5.5.3 (available: v6.1.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e6d46c3ba8a01f359117182835f6486406dc2a6b2eb0769b102eb5b6877304eb
[INFO] running `Command { std: "docker" "start" "-a" "e6d46c3ba8a01f359117182835f6486406dc2a6b2eb0769b102eb5b6877304eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6d46c3ba8a01f359117182835f6486406dc2a6b2eb0769b102eb5b6877304eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6d46c3ba8a01f359117182835f6486406dc2a6b2eb0769b102eb5b6877304eb", kill_on_drop: false }`
[INFO] [stdout] e6d46c3ba8a01f359117182835f6486406dc2a6b2eb0769b102eb5b6877304eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 63744a267c2cab1f1bb5e69f9093d35afc76e7ba2ad9acdfeb874056c4dfa1d7
[INFO] running `Command { std: "docker" "start" "-a" "63744a267c2cab1f1bb5e69f9093d35afc76e7ba2ad9acdfeb874056c4dfa1d7", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking kokoro-core v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `dashmap::mapref::entry::Entry<'_, &str, Arc<dyn Any>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/context/scope.rs:46:15
[INFO] [stdout]    |
[INFO] [stdout] 44 |         constructor: impl FnOnce() -> Arc<T>,
[INFO] [stdout]    |         ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 45 |     ) -> Arc<T> {
[INFO] [stdout] 46 |         match self.0.entry(key) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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 `Option<dashmap::mapref::one::RefMut<'_, event::EventId, Vec<Arc<parking_lot::lock_api::RwLock<parking_lot::RawRwLock, Option<Box<dyn ISubscriber<R, M> + Send + Sync>>>>>>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/schedule.rs:59:29
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn trigger(&self, e: Arc<dyn Event + Send + Sync>, ctx: &Context<R, M>) {
[INFO] [stdout]    |                           - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 59 |         if let Some(subs) = self.subscribers.get_mut(e.event_id()) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `dashmap::mapref::entry::Entry<'_, &str, Arc<dyn Any>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/context/scope.rs:46:15
[INFO] [stdout]    |
[INFO] [stdout] 44 |         constructor: impl FnOnce() -> Arc<T>,
[INFO] [stdout]    |         ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 45 |     ) -> Arc<T> {
[INFO] [stdout] 46 |         match self.0.entry(key) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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 `Option<dashmap::mapref::one::RefMut<'_, event::EventId, Vec<Arc<parking_lot::lock_api::RwLock<parking_lot::RawRwLock, Option<Box<dyn ISubscriber<R, M> + Send + Sync>>>>>>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/schedule.rs:59:29
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn trigger(&self, e: Arc<dyn Event + Send + Sync>, ctx: &Context<R, M>) {
[INFO] [stdout]    |                           - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 59 |         if let Some(subs) = self.subscribers.get_mut(e.event_id()) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kokoro-core` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kokoro-core` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "63744a267c2cab1f1bb5e69f9093d35afc76e7ba2ad9acdfeb874056c4dfa1d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63744a267c2cab1f1bb5e69f9093d35afc76e7ba2ad9acdfeb874056c4dfa1d7", kill_on_drop: false }`
[INFO] [stdout] 63744a267c2cab1f1bb5e69f9093d35afc76e7ba2ad9acdfeb874056c4dfa1d7