[INFO] fetching crate tokio-zookeeper 0.4.0... [INFO] checking tokio-zookeeper-0.4.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate tokio-zookeeper 0.4.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate tokio-zookeeper 0.4.0 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 tokio-zookeeper 0.4.0 [INFO] finished tweaking crates.io crate tokio-zookeeper 0.4.0 [INFO] tweaked toml for crates.io crate tokio-zookeeper 0.4.0 written to /workspace/builds/worker-4-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 67 packages to latest compatible versions [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding nu-ansi-term v0.46.0 (available: v0.50.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5c235c60967da96998ff06873178d2ef7d378896f3551c811058b3bb56b3225f [INFO] running `Command { std: "docker" "start" "-a" "5c235c60967da96998ff06873178d2ef7d378896f3551c811058b3bb56b3225f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c235c60967da96998ff06873178d2ef7d378896f3551c811058b3bb56b3225f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c235c60967da96998ff06873178d2ef7d378896f3551c811058b3bb56b3225f", kill_on_drop: false }` [INFO] [stdout] 5c235c60967da96998ff06873178d2ef7d378896f3551c811058b3bb56b3225f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 07341960f0417b26e9d6519065cedb100d003c1db22a47a7140b571d0a28090d [INFO] running `Command { std: "docker" "start" "-a" "07341960f0417b26e9d6519065cedb100d003c1db22a47a7140b571d0a28090d", kill_on_drop: false }` [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling snafu-derive v0.8.5 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking snafu v0.8.5 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking tokio-zookeeper v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result<(), futures::futures_channel::mpsc::TrySendError<(request::Request, futures::futures_channel::oneshot::Sender>)>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/proto/packetizer.rs:300:15 [INFO] [stdout] | [INFO] [stdout] 299 | let (tx, rx) = oneshot::channel(); [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 300 | match self.0.unbounded_send((request, tx)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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 `Result<(), futures::futures_channel::mpsc::TrySendError<(request::Request, futures::futures_channel::oneshot::Sender>)>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/proto/packetizer.rs:300:15 [INFO] [stdout] | [INFO] [stdout] 299 | let (tx, rx) = oneshot::channel(); [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 300 | match self.0.unbounded_send((request, tx)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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 `tokio-zookeeper` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tokio-zookeeper` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "07341960f0417b26e9d6519065cedb100d003c1db22a47a7140b571d0a28090d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07341960f0417b26e9d6519065cedb100d003c1db22a47a7140b571d0a28090d", kill_on_drop: false }` [INFO] [stdout] 07341960f0417b26e9d6519065cedb100d003c1db22a47a7140b571d0a28090d