[INFO] fetching crate nutmeg 0.1.4...
[INFO] checking nutmeg-0.1.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate nutmeg 0.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate nutmeg 0.1.4 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 nutmeg 0.1.4
[INFO] finished tweaking crates.io crate nutmeg 0.1.4
[INFO] tweaked toml for crates.io crate nutmeg 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate nutmeg 0.1.4 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" "+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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3b8d5d5d20bac98419db8f302bc887d5362018593c32838a38685bed25c33481
[INFO] running `Command { std: "docker" "start" "-a" "3b8d5d5d20bac98419db8f302bc887d5362018593c32838a38685bed25c33481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b8d5d5d20bac98419db8f302bc887d5362018593c32838a38685bed25c33481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b8d5d5d20bac98419db8f302bc887d5362018593c32838a38685bed25c33481", kill_on_drop: false }`
[INFO] [stdout] 3b8d5d5d20bac98419db8f302bc887d5362018593c32838a38685bed25c33481
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8160b327ae55bae4ab1352b0148ad53583e28fdb0f39c72d666bf47c4c8cd654
[INFO] running `Command { std: "docker" "start" "-a" "8160b327ae55bae4ab1352b0148ad53583e28fdb0f39c72d666bf47c4c8cd654", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking terminal_size v0.2.6
[INFO] [stderr]     Checking nutmeg v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `parking_lot::lock_api::MutexGuard<'_, parking_lot::RawMutex, Option<InnerView<M>>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:419:9
[INFO] [stdout]     |
[INFO] [stdout] 416 |       pub fn abandon(self) -> M {
[INFO] [stdout]     |                      ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 419 | /         self.inner
[INFO] [stdout] 420 | |             .lock()
[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 `parking_lot::lock_api::MutexGuard<'_, parking_lot::RawMutex, Option<InnerView<M>>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:429:9
[INFO] [stdout]     |
[INFO] [stdout] 428 |       pub fn finish(self) -> M {
[INFO] [stdout]     |                     ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 429 | /         self.inner
[INFO] [stdout] 430 | |             .lock()
[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 `nutmeg` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8160b327ae55bae4ab1352b0148ad53583e28fdb0f39c72d666bf47c4c8cd654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8160b327ae55bae4ab1352b0148ad53583e28fdb0f39c72d666bf47c4c8cd654", kill_on_drop: false }`
[INFO] [stdout] 8160b327ae55bae4ab1352b0148ad53583e28fdb0f39c72d666bf47c4c8cd654