[INFO] fetching crate mezzenger-udp 0.1.5... [INFO] checking mezzenger-udp-0.1.5 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate mezzenger-udp 0.1.5 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate mezzenger-udp 0.1.5 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-udp 0.1.5 [INFO] finished tweaking crates.io crate mezzenger-udp 0.1.5 [INFO] tweaked toml for crates.io crate mezzenger-udp 0.1.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate mezzenger-udp 0.1.5 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-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] 94a8847c557896f5edd816c42e9d98a3edf03e4576d22c0ed931239046f58208 [INFO] running `Command { std: "docker" "start" "-a" "94a8847c557896f5edd816c42e9d98a3edf03e4576d22c0ed931239046f58208", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94a8847c557896f5edd816c42e9d98a3edf03e4576d22c0ed931239046f58208", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94a8847c557896f5edd816c42e9d98a3edf03e4576d22c0ed931239046f58208", kill_on_drop: false }` [INFO] [stdout] 94a8847c557896f5edd816c42e9d98a3edf03e4576d22c0ed931239046f58208 [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] ce5c7fcc65e6d49bf18cc7a3b2ca3db9916f27c4afe1dd595b7baa2438771242 [INFO] running `Command { std: "docker" "start" "-a" "ce5c7fcc65e6d49bf18cc7a3b2ca3db9916f27c4afe1dd595b7baa2438771242", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Checking memchr v2.6.3 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Checking smallvec v1.11.0 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Checking anstyle-parse v0.2.1 [INFO] [stderr] Checking tracing-core v0.1.31 [INFO] [stderr] Compiling x11 v2.21.0 [INFO] [stderr] Checking anstyle v1.0.3 [INFO] [stderr] Compiling device_query v1.1.3 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking clap_lex v0.5.1 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking anstream v0.5.0 [INFO] [stderr] Checking tracing-log v0.1.3 [INFO] [stderr] Checking clap_builder v4.4.2 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking socket2 v0.5.4 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling syn v2.0.32 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking tracing-subscriber v0.3.17 [INFO] [stderr] Checking num-complex v0.4.4 [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Compiling pin-project-internal v1.1.3 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling tracing-attributes v0.1.26 [INFO] [stderr] Compiling clap_derive v4.4.2 [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 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 bincode v1.3.3 [INFO] [stderr] Checking mezzenger-utils v0.1.2 [INFO] [stderr] Checking kodec v0.1.0 [INFO] [stderr] Checking mezzenger-udp v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `MessageStream, ()>, mezzenger_udp::Error, Box>, u64, Wrapper, Message, ()>, {closure@examples/mouse/client.rs:28:63: 28:66}>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/mouse/client.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let mut messages = transport.messages_with_error_callback(|_| println!("Error!!!")); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | pin_mut!(break_signal); [INFO] [stdout] | ---------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 36 | loop { [INFO] [stdout] 37 | / select! { [INFO] [stdout] 38 | | message = messages.next() => { [INFO] [stdout] 39 | | if let Some(message) = message { [INFO] [stdout] 40 | | server_down = false; [INFO] [stdout] ... | [INFO] [stdout] 61 | | }, [INFO] [stdout] 62 | | } [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 `mezzenger_udp::Transport>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/mouse/server.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let mut transport = [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | 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] 37 | / select! { [INFO] [stdout] 38 | | _tick = interval.tick() => { [INFO] [stdout] 39 | | let mouse_state = device_state.get_mouse(); [INFO] [stdout] 40 | | let (x, y) = mouse_state.coords; [INFO] [stdout] ... | [INFO] [stdout] 49 | | } [INFO] [stdout] 50 | | } [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-udp` (example "mouse") due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "ce5c7fcc65e6d49bf18cc7a3b2ca3db9916f27c4afe1dd595b7baa2438771242", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce5c7fcc65e6d49bf18cc7a3b2ca3db9916f27c4afe1dd595b7baa2438771242", kill_on_drop: false }` [INFO] [stdout] ce5c7fcc65e6d49bf18cc7a3b2ca3db9916f27c4afe1dd595b7baa2438771242