[INFO] fetching crate rpcx_server 0.3.0... [INFO] checking rpcx_server-0.3.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate rpcx_server 0.3.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate rpcx_server 0.3.0 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rpcx_server 0.3.0 [INFO] finished tweaking crates.io crate rpcx_server 0.3.0 [INFO] tweaked toml for crates.io crate rpcx_server 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 66 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding enum-primitive-derive v0.1.2 (latest: v0.3.0) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding heck v0.3.3 (latest: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [INFO] [stderr] Adding num-traits v0.1.43 (latest: v0.2.19) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.86) [INFO] [stderr] Adding quote v0.3.15 (latest: v1.0.37) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.37) [INFO] [stderr] Adding rmp-serde v0.15.5 (latest: v1.3.0) [INFO] [stderr] Adding strum v0.21.0 (latest: v0.26.3) [INFO] [stderr] Adding strum_macros v0.21.1 (latest: v0.26.4) [INFO] [stderr] Adding syn v0.11.11 (latest: v2.0.77) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.77) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding unicode-xid v0.0.4 (latest: v0.2.5) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.5) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e3b1a319af59db29727e62097fd2eb255b9bb788a0b8eff5ff98eb27196ebc67 [INFO] running `Command { std: "docker" "start" "-a" "e3b1a319af59db29727e62097fd2eb255b9bb788a0b8eff5ff98eb27196ebc67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e3b1a319af59db29727e62097fd2eb255b9bb788a0b8eff5ff98eb27196ebc67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3b1a319af59db29727e62097fd2eb255b9bb788a0b8eff5ff98eb27196ebc67", kill_on_drop: false }` [INFO] [stdout] e3b1a319af59db29727e62097fd2eb255b9bb788a0b8eff5ff98eb27196ebc67 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2c68ed0a3b5efbfbdac22437ad52ebce4b1f125f6730c4a524b8be9e4e9457a2 [INFO] running `Command { std: "docker" "start" "-a" "2c68ed0a3b5efbfbdac22437ad52ebce4b1f125f6730c4a524b8be9e4e9457a2", kill_on_drop: false }` [INFO] [stderr] Compiling futures-sink v0.3.30 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling pin-project-lite v0.2.14 [INFO] [stderr] Compiling futures-core v0.3.30 [INFO] [stderr] Compiling unicode-segmentation v1.11.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling futures-task v0.3.30 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling futures-io v0.3.30 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling adler2 v2.0.0 [INFO] [stderr] Compiling crc32fast v1.4.2 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling tokio v1.40.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling miniz_oxide v0.8.0 [INFO] [stderr] Compiling bytes v1.7.1 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling strum v0.21.0 [INFO] [stderr] Checking rmp v0.8.14 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling flate2 v1.0.33 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling enum-primitive-derive v0.1.2 [INFO] [stderr] Compiling strum_macros v0.21.1 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling futures-util v0.3.30 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking rmp-serde v0.15.5 [INFO] [stderr] Checking rpcx_protocol v0.3.0 [INFO] [stderr] Compiling rpcx_derive v0.3.0 [INFO] [stderr] Checking rpcx_server v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/lib.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | 'accept_loop: for stream in listener.incoming() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/lib.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | 'accept_loop: for stream in listener.incoming() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:154:47 [INFO] [stdout] | [INFO] [stdout] 151 | ... let local_stream_in_child = local_stream.try_clone().unwrap(); [INFO] [stdout] | --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 154 | ... invoke_fn(local_stream_in_child.try_clone().unwrap(), msg, f) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:203:11 [INFO] [stdout] | [INFO] [stdout] 192 | fn invoke_fn(stream: TcpStream, msg: Message, f: RpcxFn) { [INFO] [stdout] | ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 198 | let mut writer = BufWriter::new(stream.try_clone().unwrap()); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 203 | match writer.flush() { [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:154:47 [INFO] [stdout] | [INFO] [stdout] 151 | ... let local_stream_in_child = local_stream.try_clone().unwrap(); [INFO] [stdout] | --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 154 | ... invoke_fn(local_stream_in_child.try_clone().unwrap(), msg, f) [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 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:203:11 [INFO] [stdout] | [INFO] [stdout] 192 | fn invoke_fn(stream: TcpStream, msg: Message, f: RpcxFn) { [INFO] [stdout] | ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 198 | let mut writer = BufWriter::new(stream.try_clone().unwrap()); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 203 | match writer.flush() { [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: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rpcx_server` (lib test) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `rpcx_server` (lib) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "2c68ed0a3b5efbfbdac22437ad52ebce4b1f125f6730c4a524b8be9e4e9457a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c68ed0a3b5efbfbdac22437ad52ebce4b1f125f6730c4a524b8be9e4e9457a2", kill_on_drop: false }` [INFO] [stdout] 2c68ed0a3b5efbfbdac22437ad52ebce4b1f125f6730c4a524b8be9e4e9457a2