[INFO] fetching crate hashlru 0.11.1...
[INFO] checking hashlru-0.11.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate hashlru 0.11.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate hashlru 0.11.1 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 hashlru 0.11.1
[INFO] finished tweaking crates.io crate hashlru 0.11.1
[INFO] tweaked toml for crates.io crate hashlru 0.11.1 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]     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 49 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-io v0.4.0 (available: v0.6.1)
[INFO] [stderr]       Adding hash32 v0.2.1 (available: v0.3.1)
[INFO] [stderr]       Adding hashbrown v0.13.2 (available: v0.14.5)
[INFO] [stderr]       Adding heapless v0.7.17 (available: v0.8.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[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] [stderr]     Blocking waiting for file lock on package cache
[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] cf0ab6ae8fe66303776f6360d25b46b49e1c81f10957b977fe971b85572ce56e
[INFO] running `Command { std: "docker" "start" "-a" "cf0ab6ae8fe66303776f6360d25b46b49e1c81f10957b977fe971b85572ce56e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf0ab6ae8fe66303776f6360d25b46b49e1c81f10957b977fe971b85572ce56e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf0ab6ae8fe66303776f6360d25b46b49e1c81f10957b977fe971b85572ce56e", kill_on_drop: false }`
[INFO] [stdout] cf0ab6ae8fe66303776f6360d25b46b49e1c81f10957b977fe971b85572ce56e
[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] fd7c6e7e76c73025036363b82893614882df11fbab5cf54549946ab517715c72
[INFO] running `Command { std: "docker" "start" "-a" "fd7c6e7e76c73025036363b82893614882df11fbab5cf54549946ab517715c72", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking cobs v0.2.3
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking hashlru v0.11.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `RwLockReadGuard<'_, cache::Cache<K, V>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/sync_cache.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn from(cache: SyncCache<K, V>) -> Cache<K, V> {
[INFO] [stdout]     |             ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 124 |         cache.inner.read().unwrap().clone()
[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: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hashlru` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fd7c6e7e76c73025036363b82893614882df11fbab5cf54549946ab517715c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd7c6e7e76c73025036363b82893614882df11fbab5cf54549946ab517715c72", kill_on_drop: false }`
[INFO] [stdout] fd7c6e7e76c73025036363b82893614882df11fbab5cf54549946ab517715c72