[INFO] fetching crate mpc-client 0.7.0... [INFO] checking mpc-client-0.7.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate mpc-client 0.7.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate mpc-client 0.7.0 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 mpc-client 0.7.0 [INFO] finished tweaking crates.io crate mpc-client 0.7.0 [INFO] tweaked toml for crates.io crate mpc-client 0.7.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 133 packages to latest compatible versions [INFO] [stderr] Adding binary-stream v8.3.0 (available: v9.1.0) [INFO] [stderr] Adding generic-array v0.14.7 (available: v1.1.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding idna v0.5.0 (available: v1.0.2) [INFO] [stderr] Adding tokio-tungstenite v0.21.0 (available: v0.24.0) [INFO] [stderr] Adding tungstenite v0.21.0 (available: v0.24.0) [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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 812f37b57291581960e59361afd4d6a336a310f7c1bca0518494466cedfe5c73 [INFO] running `Command { std: "docker" "start" "-a" "812f37b57291581960e59361afd4d6a336a310f7c1bca0518494466cedfe5c73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "812f37b57291581960e59361afd4d6a336a310f7c1bca0518494466cedfe5c73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "812f37b57291581960e59361afd4d6a336a310f7c1bca0518494466cedfe5c73", kill_on_drop: false }` [INFO] [stdout] 812f37b57291581960e59361afd4d6a336a310f7c1bca0518494466cedfe5c73 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3a7b978a033c847213224c79213220e4975b2b72a883331db3c4c5dfffc2423a [INFO] running `Command { std: "docker" "start" "-a" "3a7b978a033c847213224c79213220e4975b2b72a883331db3c4c5dfffc2423a", kill_on_drop: false }` [INFO] [stderr] Checking subtle v2.6.1 [INFO] [stderr] Checking zeroize v1.8.1 [INFO] [stderr] Checking opaque-debug v0.3.1 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Checking inout v0.1.3 [INFO] [stderr] Compiling curve25519-dalek v4.1.3 [INFO] [stderr] Checking http v1.1.0 [INFO] [stderr] Compiling snow v0.9.6 [INFO] [stderr] Compiling binary-stream v8.3.0 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Compiling curve25519-dalek-derive v0.1.1 [INFO] [stderr] Checking data-encoding v2.6.0 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling anyhow v1.0.89 [INFO] [stderr] Checking cipher v0.4.4 [INFO] [stderr] Checking aead v0.5.2 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking universal-hash v0.5.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking polyval v0.6.2 [INFO] [stderr] Checking poly1305 v0.8.0 [INFO] [stderr] Checking sha1 v0.10.6 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking blake2 v0.10.6 [INFO] [stderr] Checking ctr v0.9.2 [INFO] [stderr] Checking chacha20 v0.9.1 [INFO] [stderr] Checking aes v0.8.4 [INFO] [stderr] Checking ghash v0.5.1 [INFO] [stderr] Checking async-stream v0.3.5 [INFO] [stderr] Checking chacha20poly1305 v0.10.1 [INFO] [stderr] Checking tungstenite v0.21.0 [INFO] [stderr] Checking aes-gcm v0.10.3 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking uuid v1.10.0 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking tokio-tungstenite v0.21.0 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking mpc-protocol v0.7.0 [INFO] [stderr] Checking mpc-client v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `tokio::sync::RwLockWriteGuard<'_, std::option::Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/event_loop.rs:202:21 [INFO] [stdout] | [INFO] [stdout] 149 | server: Server, [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 150 | peers: Peers, [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 151 | incoming: ResponseMessage, [INFO] [stdout] 152 | outbound_tx: mpsc::UnboundedSender, [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 202 | let mut server = server.write().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: this value of type `tokio::sync::RwLockWriteGuard<'_, std::option::Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/event_loop.rs:202:21 [INFO] [stdout] | [INFO] [stdout] 149 | server: Server, [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 150 | peers: Peers, [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 151 | incoming: ResponseMessage, [INFO] [stdout] 152 | outbound_tx: mpsc::UnboundedSender, [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 202 | let mut server = server.write().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: this value of type `tokio::sync::RwLockWriteGuard<'_, HashMap, ProtocolState>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/event_loop.rs:389:13 [INFO] [stdout] | [INFO] [stdout] 384 | peers: Peers, [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 385 | public_key: impl AsRef<[u8]>, [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 389 | let mut peers = peers.write().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] [INFO] [stdout] [INFO] [stdout] error: this value of type `tokio::sync::RwLockWriteGuard<'_, HashMap, ProtocolState>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/event_loop.rs:389:13 [INFO] [stdout] | [INFO] [stdout] 384 | peers: Peers, [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 385 | public_key: impl AsRef<[u8]>, [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 389 | let mut peers = peers.write().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] [INFO] [stdout] [INFO] [stdout] error: this value of type `std::result::Result<(), error::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/event_loop.rs:428:53 [INFO] [stdout] | [INFO] [stdout] 428 | ... if let Err(e) = self.send_message(request).await { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/native.rs:179:5 [INFO] [stdout] | [INFO] [stdout] 179 | event_loop_run_impl!(); [INFO] [stdout] | ---------------------- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: this error originates in the macro `event_loop_run_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mpc-client` (lib test) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `std::result::Result<(), error::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/event_loop.rs:428:53 [INFO] [stdout] | [INFO] [stdout] 428 | ... if let Err(e) = self.send_message(request).await { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/native.rs:179:5 [INFO] [stdout] | [INFO] [stdout] 179 | event_loop_run_impl!(); [INFO] [stdout] | ---------------------- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: this error originates in the macro `event_loop_run_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mpc-client` (lib) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "3a7b978a033c847213224c79213220e4975b2b72a883331db3c4c5dfffc2423a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a7b978a033c847213224c79213220e4975b2b72a883331db3c4c5dfffc2423a", kill_on_drop: false }` [INFO] [stdout] 3a7b978a033c847213224c79213220e4975b2b72a883331db3c4c5dfffc2423a