[INFO] fetching crate serial2-tokio 0.1.13... [INFO] checking serial2-tokio-0.1.13 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate serial2-tokio 0.1.13 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate serial2-tokio 0.1.13 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 serial2-tokio 0.1.13 [INFO] finished tweaking crates.io crate serial2-tokio 0.1.13 [INFO] tweaked toml for crates.io crate serial2-tokio 0.1.13 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate serial2-tokio 0.1.13 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8c02b4085dbc9b5f33206e16af23ba4a23db018cd394d98ebf43f53a708f2028 [INFO] running `Command { std: "docker" "start" "-a" "8c02b4085dbc9b5f33206e16af23ba4a23db018cd394d98ebf43f53a708f2028", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c02b4085dbc9b5f33206e16af23ba4a23db018cd394d98ebf43f53a708f2028", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c02b4085dbc9b5f33206e16af23ba4a23db018cd394d98ebf43f53a708f2028", kill_on_drop: false }` [INFO] [stdout] 8c02b4085dbc9b5f33206e16af23ba4a23db018cd394d98ebf43f53a708f2028 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 79158e7022df648b4954ed423c4175a2cd17e94630abe2cc0e167eda8cf351e0 [INFO] running `Command { std: "docker" "start" "-a" "79158e7022df648b4954ed423c4175a2cd17e94630abe2cc0e167eda8cf351e0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking serial2 v0.2.26 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Checking tokio v1.33.0 [INFO] [stderr] Checking serial2-tokio v0.1.13 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `SerialPort` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/serial-cat.rs:25:6 [INFO] [stdout] | [INFO] [stdout] 25 | let port = SerialPort::open(port_name, baud_rate) [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | / tokio::try_join!( [INFO] [stdout] 29 | | read_stdin_loop(&port, port_name), [INFO] [stdout] 30 | | read_serial_loop(&port, port_name), [INFO] [stdout] 31 | | )?; [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `serial2-tokio` (example "serial-cat") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "79158e7022df648b4954ed423c4175a2cd17e94630abe2cc0e167eda8cf351e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79158e7022df648b4954ed423c4175a2cd17e94630abe2cc0e167eda8cf351e0", kill_on_drop: false }` [INFO] [stdout] 79158e7022df648b4954ed423c4175a2cd17e94630abe2cc0e167eda8cf351e0