[INFO] fetching crate unix-ipc 0.2.2...
[INFO] checking unix-ipc-0.2.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate unix-ipc 0.2.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate unix-ipc 0.2.2 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unix-ipc 0.2.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate unix-ipc 0.2.2
[INFO] tweaked toml for crates.io crate unix-ipc 0.2.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate unix-ipc 0.2.2 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 320e17c8924fcf01688e445fa2625e01c8b0bb864297ed8ff08c88612c3de066
[INFO] running `Command { std: "docker" "start" "-a" "320e17c8924fcf01688e445fa2625e01c8b0bb864297ed8ff08c88612c3de066", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "320e17c8924fcf01688e445fa2625e01c8b0bb864297ed8ff08c88612c3de066", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "320e17c8924fcf01688e445fa2625e01c8b0bb864297ed8ff08c88612c3de066", kill_on_drop: false }`
[INFO] [stdout] 320e17c8924fcf01688e445fa2625e01c8b0bb864297ed8ff08c88612c3de066
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 131c646c842761884a9195cb834c921dc7360cc3ea14e48e23dc2f0bf518da57
[INFO] running `Command { std: "docker" "start" "-a" "131c646c842761884a9195cb834c921dc7360cc3ea14e48e23dc2f0bf518da57", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking unix-ipc v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `MutexGuard<'_, std::option::Option<F>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/serde.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn into_inner(self) -> F {
[INFO] [stdout]    |                       ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 50 |         self.0.lock().unwrap().take().expect("handle was moved")
[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 `unix-ipc` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this value of type `MutexGuard<'_, std::option::Option<F>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/serde.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn into_inner(self) -> F {
[INFO] [stdout]    |                       ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 50 |         self.0.lock().unwrap().take().expect("handle was moved")
[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 `unix-ipc` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "131c646c842761884a9195cb834c921dc7360cc3ea14e48e23dc2f0bf518da57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "131c646c842761884a9195cb834c921dc7360cc3ea14e48e23dc2f0bf518da57", kill_on_drop: false }`
[INFO] [stdout] 131c646c842761884a9195cb834c921dc7360cc3ea14e48e23dc2f0bf518da57