[INFO] fetching crate mezzenger-tcp 0.1.3... [INFO] checking mezzenger-tcp-0.1.3 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate mezzenger-tcp 0.1.3 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate mezzenger-tcp 0.1.3 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 mezzenger-tcp 0.1.3 [INFO] finished tweaking crates.io crate mezzenger-tcp 0.1.3 [INFO] tweaked toml for crates.io crate mezzenger-tcp 0.1.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate mezzenger-tcp 0.1.3 already has a lockfile, it will not be regenerated [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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 21b70e395d2877a67dba19961aab699a6b552c06c1b1a654b513afb721d20fc4 [INFO] running `Command { std: "docker" "start" "-a" "21b70e395d2877a67dba19961aab699a6b552c06c1b1a654b513afb721d20fc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "21b70e395d2877a67dba19961aab699a6b552c06c1b1a654b513afb721d20fc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21b70e395d2877a67dba19961aab699a6b552c06c1b1a654b513afb721d20fc4", kill_on_drop: false }` [INFO] [stdout] 21b70e395d2877a67dba19961aab699a6b552c06c1b1a654b513afb721d20fc4 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 927aae6ee0344cc0fa269b55ed1da33076f4381d48deb81fc9ee3e3c6031764d [INFO] running `Command { std: "docker" "start" "-a" "927aae6ee0344cc0fa269b55ed1da33076f4381d48deb81fc9ee3e3c6031764d", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Checking memchr v2.6.3 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling signal-hook v0.3.17 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Checking socket2 v0.5.4 [INFO] [stderr] Checking tracing-core v0.1.31 [INFO] [stderr] Checking anstyle v1.0.3 [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling thiserror v1.0.48 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking clap_lex v0.5.1 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking anstream v0.5.0 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking clap_builder v4.4.2 [INFO] [stderr] Checking tracing-log v0.1.3 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling syn v2.0.32 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking crossterm v0.25.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking tracing-subscriber v0.3.17 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling pin-project-internal v1.1.3 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Compiling thiserror-impl v1.0.48 [INFO] [stderr] Compiling clap_derive v4.4.2 [INFO] [stderr] Compiling tracing-attributes v0.1.26 [INFO] [stderr] Checking tokio v1.32.0 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Checking pin-project v1.1.3 [INFO] [stderr] Checking thingbuf v0.1.4 [INFO] [stderr] Checking clap v4.4.3 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking mezzenger v0.1.4 [INFO] [stderr] Checking rustyline-async v0.4.0 [INFO] [stderr] Checking tokio-util v0.7.8 [INFO] [stderr] Checking tokio-stream v0.1.14 [INFO] [stderr] Checking parity-tokio-ipc v0.9.0 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking kodec v0.1.0 [INFO] [stderr] Checking mezzenger-tcp v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `SplitSink, client::Message>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/chat/client.rs:38:10 [INFO] [stdout] | [INFO] [stdout] 38 | let (mut sender, mut receiver) = [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 80 | / select! { [INFO] [stdout] 81 | | message = message_stream.next() => { [INFO] [stdout] 82 | | if let Some(message) = message { [INFO] [stdout] 83 | | match message { [INFO] [stdout] ... | [INFO] [stdout] 119 | | }, [INFO] [stdout] 120 | | } [INFO] [stdout] | |_________- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [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 `Arc>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/chat/server.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let state = Arc::new(RwLock::new(State::default())); [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | pin_mut!(break_signal); [INFO] [stdout] | ---------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 63 | futures::pin_mut!(incoming); [INFO] [stdout] | --------------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 64 | loop { [INFO] [stdout] 65 | / select! { [INFO] [stdout] 66 | | incoming_option = incoming.next() => { [INFO] [stdout] 67 | | if let Some(incoming_result) = incoming_option { [INFO] [stdout] 68 | | match incoming_result { [INFO] [stdout] ... | [INFO] [stdout] 86 | | } [INFO] [stdout] 87 | | } [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] ... [INFO] [stdout] 94 | / select! { [INFO] [stdout] 95 | | listener_result = listener.accept() => { [INFO] [stdout] 96 | | let (stream, _address) = listener_result?; [INFO] [stdout] 97 | | let state = state.clone(); [INFO] [stdout] ... | [INFO] [stdout] 107 | | } [INFO] [stdout] 108 | | } [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] | [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: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mezzenger-tcp` (example "chat") due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "927aae6ee0344cc0fa269b55ed1da33076f4381d48deb81fc9ee3e3c6031764d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "927aae6ee0344cc0fa269b55ed1da33076f4381d48deb81fc9ee3e3c6031764d", kill_on_drop: false }` [INFO] [stdout] 927aae6ee0344cc0fa269b55ed1da33076f4381d48deb81fc9ee3e3c6031764d