[INFO] fetching crate concurrent-biproxy 0.1.0... [INFO] checking concurrent-biproxy-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate concurrent-biproxy 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate concurrent-biproxy 0.1.0 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 concurrent-biproxy 0.1.0 [INFO] finished tweaking crates.io crate concurrent-biproxy 0.1.0 [INFO] tweaked toml for crates.io crate concurrent-biproxy 0.1.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 77 packages to latest compatible versions [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f8e8ae57b550ebb844abe702bb38dcfc45e3e11d29c1ee6fc552a1cce461b9c5 [INFO] running `Command { std: "docker" "start" "-a" "f8e8ae57b550ebb844abe702bb38dcfc45e3e11d29c1ee6fc552a1cce461b9c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f8e8ae57b550ebb844abe702bb38dcfc45e3e11d29c1ee6fc552a1cce461b9c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8e8ae57b550ebb844abe702bb38dcfc45e3e11d29c1ee6fc552a1cce461b9c5", kill_on_drop: false }` [INFO] [stdout] f8e8ae57b550ebb844abe702bb38dcfc45e3e11d29c1ee6fc552a1cce461b9c5 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] abf0c90875a3af45dd1fb10f1b02a330ee2ac8d2d639bd608e7be2b36b4d3574 [INFO] running `Command { std: "docker" "start" "-a" "abf0c90875a3af45dd1fb10f1b02a330ee2ac8d2d639bd608e7be2b36b4d3574", kill_on_drop: false }` [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling time-core v0.1.2 [INFO] [stderr] Compiling num-conv v0.1.0 [INFO] [stderr] Checking powerfmt v0.2.0 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Compiling time-macros v0.2.18 [INFO] [stderr] Checking deranged v0.3.11 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking time v0.3.36 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking logs v0.7.1 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking concurrent-biproxy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `tokio::sync::MutexGuard<'_, HashMap>>>>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:256:13 [INFO] [stdout] | [INFO] [stdout] 254 | sender: oneshot::Sender

, [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 255 | ) { [INFO] [stdout] 256 | let mut notify_map = self.notify.lock().await; [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] [stdout] error: this value of type `tokio::sync::MutexGuard<'_, HashMap>>>>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:256:13 [INFO] [stdout] | [INFO] [stdout] 254 | sender: oneshot::Sender

, [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 255 | ) { [INFO] [stdout] 256 | let mut notify_map = self.notify.lock().await; [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] [stderr] error: could not compile `concurrent-biproxy` (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 `concurrent-biproxy` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "abf0c90875a3af45dd1fb10f1b02a330ee2ac8d2d639bd608e7be2b36b4d3574", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abf0c90875a3af45dd1fb10f1b02a330ee2ac8d2d639bd608e7be2b36b4d3574", kill_on_drop: false }` [INFO] [stdout] abf0c90875a3af45dd1fb10f1b02a330ee2ac8d2d639bd608e7be2b36b4d3574