[INFO] fetching crate coalescing_buffer 0.1.0...
[INFO] checking coalescing_buffer-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate coalescing_buffer 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate coalescing_buffer 0.1.0 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coalescing_buffer 0.1.0
[INFO] finished tweaking crates.io crate coalescing_buffer 0.1.0
[INFO] tweaked toml for crates.io crate coalescing_buffer 0.1.0 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 39 packages to latest compatible versions
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding crossbeam-utils v0.6.6 (latest: v0.8.20)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.58.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40178636ba31503c6e89bff2f7e596234e72c49813fca0b09b83c071ae557f8b
[INFO] running `Command { std: "docker" "start" "-a" "40178636ba31503c6e89bff2f7e596234e72c49813fca0b09b83c071ae557f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40178636ba31503c6e89bff2f7e596234e72c49813fca0b09b83c071ae557f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40178636ba31503c6e89bff2f7e596234e72c49813fca0b09b83c071ae557f8b", kill_on_drop: false }`
[INFO] [stdout] 40178636ba31503c6e89bff2f7e596234e72c49813fca0b09b83c071ae557f8b
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4cb28758f444ebfe1e98a3df7f94d3b221e48e2b3199f4e5f2d59570fcde3a1
[INFO] running `Command { std: "docker" "start" "-a" "d4cb28758f444ebfe1e98a3df7f94d3b221e48e2b3199f4e5f2d59570fcde3a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking coalescing_buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/ring/spsc_coalescing_ring_buffer.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new(value: T) -> KeyCell<T> {
[INFO] [stdout]    |                -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 30 |         KeyCell {
[INFO] [stdout] 31 |             value: UnsafeCell::new(value),
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/ring/spsc_coalescing_ring_buffer.rs:308:6
[INFO] [stdout]     |
[INFO] [stdout] 306 |     let buf = Arc::new(CoalescingRingBuffer::new(capacity));
[INFO] [stdout]     |         --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 307 |     let buf_clone = buf.clone();
[INFO] [stdout]     |         --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 308 |     (Sender::new(buf), Receiver::new(buf_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] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/ring/spsc_coalescing_ring_buffer.rs:308:24
[INFO] [stdout]     |
[INFO] [stdout] 306 |     let buf = Arc::new(CoalescingRingBuffer::new(capacity));
[INFO] [stdout]     |         --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 307 |     let buf_clone = buf.clone();
[INFO] [stdout]     |         --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 308 |     (Sender::new(buf), Receiver::new(buf_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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coalescing_buffer` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d4cb28758f444ebfe1e98a3df7f94d3b221e48e2b3199f4e5f2d59570fcde3a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4cb28758f444ebfe1e98a3df7f94d3b221e48e2b3199f4e5f2d59570fcde3a1", kill_on_drop: false }`
[INFO] [stdout] d4cb28758f444ebfe1e98a3df7f94d3b221e48e2b3199f4e5f2d59570fcde3a1