[INFO] fetching crate backroll_transport_udp 0.6.0...
[INFO] checking backroll_transport_udp-0.6.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate backroll_transport_udp 0.6.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate backroll_transport_udp 0.6.0 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 backroll_transport_udp 0.6.0
[INFO] finished tweaking crates.io crate backroll_transport_udp 0.6.0
[INFO] tweaked toml for crates.io crate backroll_transport_udp 0.6.0 written to /workspace/builds/worker-1-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 106 packages to latest compatible versions
[INFO] [stderr]       Adding async-channel v1.9.0 (available: v2.3.1)
[INFO] [stderr]       Adding async-io v1.13.0 (available: v2.3.4)
[INFO] [stderr]       Adding async-lock v2.8.0 (available: v3.4.0)
[INFO] [stderr]       Adding async-net v1.8.0 (available: v2.0.0)
[INFO] [stderr]       Adding bevy_tasks v0.9.1 (available: v0.14.2)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding concurrent-queue v1.2.4 (available: v2.5.0)
[INFO] [stderr]       Adding dashmap v5.5.3 (available: v6.1.0)
[INFO] [stderr]       Adding event-listener v2.5.3 (available: v5.3.1)
[INFO] [stderr]       Adding fastrand v1.9.0 (available: v2.1.1)
[INFO] [stderr]       Adding futures-lite v1.13.0 (available: v2.3.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding io-lifetimes v1.0.11 (available: v2.0.3)
[INFO] [stderr]       Adding linux-raw-sys v0.3.8 (available: v0.6.5)
[INFO] [stderr]       Adding polling v2.8.0 (available: v3.7.3)
[INFO] [stderr]       Adding rustix v0.37.27 (available: v0.38.37)
[INFO] [stderr]       Adding serial_test v0.9.0 (available: v3.1.1)
[INFO] [stderr]       Adding serial_test_derive v0.9.0 (available: v3.1.1)
[INFO] [stderr]       Adding socket2 v0.4.10 (available: v0.5.7)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding windows-sys v0.48.0 (available: v0.59.0)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (available: v0.52.6)
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] cfedf3421524da2ac863409cddeab0dffb7f01a237e1f0cbfce27e08ee3e1e60
[INFO] running `Command { std: "docker" "start" "-a" "cfedf3421524da2ac863409cddeab0dffb7f01a237e1f0cbfce27e08ee3e1e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfedf3421524da2ac863409cddeab0dffb7f01a237e1f0cbfce27e08ee3e1e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfedf3421524da2ac863409cddeab0dffb7f01a237e1f0cbfce27e08ee3e1e60", kill_on_drop: false }`
[INFO] [stdout] cfedf3421524da2ac863409cddeab0dffb7f01a237e1f0cbfce27e08ee3e1e60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 689922405c411c6eb8400160c0c71bbe2fcc7e4698e0099f2c8d5786f5122a6e
[INFO] running `Command { std: "docker" "start" "-a" "689922405c411c6eb8400160c0c71bbe2fcc7e4698e0099f2c8d5786f5122a6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking cache-padded v1.3.0
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking async-executor v1.13.1
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking bevy_tasks v0.9.1
[INFO] [stderr]    Compiling serial_test_derive v0.9.0
[INFO] [stderr]     Checking backroll_transport v0.2.0
[INFO] [stderr]     Checking async-net v1.8.0
[INFO] [stderr]     Checking backroll_transport_udp v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stdout] error: this value of type `Result<(), async_channel::TrySendError<Box<[u8]>>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:137:15
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn forward_packet(addr: SocketAddr, peer: Peer, data: &[u8]) {
[INFO] [stdout]     |                                         ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 137 |         match peer.try_send(data.into()) {
[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 `backroll_transport_udp` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "689922405c411c6eb8400160c0c71bbe2fcc7e4698e0099f2c8d5786f5122a6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "689922405c411c6eb8400160c0c71bbe2fcc7e4698e0099f2c8d5786f5122a6e", kill_on_drop: false }`
[INFO] [stdout] 689922405c411c6eb8400160c0c71bbe2fcc7e4698e0099f2c8d5786f5122a6e