[INFO] fetching crate kagura 0.14.5...
[INFO] checking kagura-0.14.5 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate kagura 0.14.5 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate kagura 0.14.5 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 kagura 0.14.5
[INFO] finished tweaking crates.io crate kagura 0.14.5
[INFO] tweaked toml for crates.io crate kagura 0.14.5 written to /workspace/builds/worker-6-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 66 packages to latest compatible versions
[INFO] [stderr]       Adding async-channel v1.9.0 (available: v2.3.1)
[INFO] [stderr]       Adding event-listener v2.5.3 (available: v5.3.1)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[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] 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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3901c2e16bafee8ccf416d94687d7d74fefd3e59b8d723cc515a3081447d76c
[INFO] running `Command { std: "docker" "start" "-a" "e3901c2e16bafee8ccf416d94687d7d74fefd3e59b8d723cc515a3081447d76c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3901c2e16bafee8ccf416d94687d7d74fefd3e59b8d723cc515a3081447d76c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3901c2e16bafee8ccf416d94687d7d74fefd3e59b8d723cc515a3081447d76c", kill_on_drop: false }`
[INFO] [stdout] e3901c2e16bafee8ccf416d94687d7d74fefd3e59b8d723cc515a3081447d76c
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebc149a31e15a1e4462f9e889157c0cbeda519d7df26bbc81ecf6e1a62cd306f
[INFO] running `Command { std: "docker" "start" "-a" "ebc149a31e15a1e4462f9e889157c0cbeda519d7df26bbc81ecf6e1a62cd306f", kill_on_drop: false }`
[INFO] [stderr]     Checking async-std v1.13.0
[INFO] [stderr]     Checking kagura v0.14.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `Option<MutexGuardArc<util::batch::State<T>>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/util/batch.rs:33:42
[INFO] [stdout]    |
[INFO] [stdout] 32 |             move |result| {
[INFO] [stdout]    |                   ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 33 |                 if let Some(mut state) = state.try_lock_arc() {
[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<MutexGuardArc<util::task::State<T>>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/util/task.rs:26:42
[INFO] [stdout]    |
[INFO] [stdout] 25 |             move |result| {
[INFO] [stdout]    |                   ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 26 |                 if let Some(mut state) = state.try_lock_arc() {
[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 `kagura` (lib test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this value of type `Option<MutexGuardArc<util::batch::State<T>>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/util/batch.rs:33:42
[INFO] [stdout]    |
[INFO] [stdout] 32 |             move |result| {
[INFO] [stdout]    |                   ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 33 |                 if let Some(mut state) = state.try_lock_arc() {
[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<MutexGuardArc<util::task::State<T>>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/util/task.rs:26:42
[INFO] [stdout]    |
[INFO] [stdout] 25 |             move |result| {
[INFO] [stdout]    |                   ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 26 |                 if let Some(mut state) = state.try_lock_arc() {
[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 `kagura` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "ebc149a31e15a1e4462f9e889157c0cbeda519d7df26bbc81ecf6e1a62cd306f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebc149a31e15a1e4462f9e889157c0cbeda519d7df26bbc81ecf6e1a62cd306f", kill_on_drop: false }`
[INFO] [stdout] ebc149a31e15a1e4462f9e889157c0cbeda519d7df26bbc81ecf6e1a62cd306f