[INFO] fetching crate async-transport 0.5.0... [INFO] checking async-transport-0.5.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate async-transport 0.5.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate async-transport 0.5.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate async-transport 0.5.0 [INFO] finished tweaking crates.io crate async-transport 0.5.0 [INFO] tweaked toml for crates.io crate async-transport 0.5.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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 109 packages to latest compatible versions [INFO] [stderr] Adding async-channel v1.9.0 (available: v2.3.1) [INFO] [stderr] Adding event-listener v2.5.3 (available: v5.3.1) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7fe7f3ab8111c0db1782b84ffb031faf03ebb684f3c95dc7ca8d9deb57953c7e [INFO] running `Command { std: "docker" "start" "-a" "7fe7f3ab8111c0db1782b84ffb031faf03ebb684f3c95dc7ca8d9deb57953c7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7fe7f3ab8111c0db1782b84ffb031faf03ebb684f3c95dc7ca8d9deb57953c7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fe7f3ab8111c0db1782b84ffb031faf03ebb684f3c95dc7ca8d9deb57953c7e", kill_on_drop: false }` [INFO] [stdout] 7fe7f3ab8111c0db1782b84ffb031faf03ebb684f3c95dc7ca8d9deb57953c7e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec6b3d64f8fe18eb7037eecaa2d75f0a2d428745473bf1df5153ded1bf9ad81a [INFO] running `Command { std: "docker" "start" "-a" "ec6b3d64f8fe18eb7037eecaa2d75f0a2d428745473bf1df5153ded1bf9ad81a", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v0.38.37 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking async-task v4.7.1 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking futures-lite v2.3.0 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking concurrent-queue v2.5.0 [INFO] [stderr] Checking utf8parse v0.2.2 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking is_terminal_polyfill v1.70.1 [INFO] [stderr] Checking colorchoice v1.0.2 [INFO] [stderr] Checking piper v0.2.4 [INFO] [stderr] Checking anstyle v1.0.8 [INFO] [stderr] Checking anstyle-parse v0.2.5 [INFO] [stderr] Checking anstyle-query v1.1.1 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking mio v1.0.2 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking event-listener v5.3.1 [INFO] [stderr] Checking anstream v0.6.15 [INFO] [stderr] Checking event-listener-strategy v0.5.2 [INFO] [stderr] Checking async-lock v3.4.0 [INFO] [stderr] Checking async-channel v2.3.1 [INFO] [stderr] Checking async-executor v1.13.1 [INFO] [stderr] Checking blocking v1.6.1 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking async-fs v2.1.2 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking env_filter v0.1.2 [INFO] [stderr] Checking env_logger v0.11.5 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking polling v3.7.3 [INFO] [stderr] Checking async-io v2.3.4 [INFO] [stderr] Checking async-signal v0.2.10 [INFO] [stderr] Checking async-net v2.0.0 [INFO] [stderr] Checking async-process v2.3.0 [INFO] [stderr] Checking smol v2.0.2 [INFO] [stderr] Checking async-transport v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `metal-io` [INFO] [stdout] --> src/lib.rs:50:11 [INFO] [stdout] | [INFO] [stdout] 50 | #[cfg(not(feature = "metal-io"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `async-io`, `async-std`, `default`, `runtime-async-std`, `runtime-smol`, `runtime-tokio`, `smol`, and `tokio` [INFO] [stdout] = help: consider adding `metal-io` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `metal-io` [INFO] [stdout] --> src/runtime/mod.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | #[cfg(not(feature = "metal-io"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `async-io`, `async-std`, `default`, `runtime-async-std`, `runtime-smol`, `runtime-tokio`, `smol`, and `tokio` [INFO] [stdout] = help: consider adding `metal-io` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `metal-io` [INFO] [stdout] --> src/runtime/mod.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | #[cfg(not(feature = "metal-io"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `async-io`, `async-std`, `default`, `runtime-async-std`, `runtime-smol`, `runtime-tokio`, `smol`, and `tokio` [INFO] [stdout] = help: consider adding `metal-io` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `metal-io` [INFO] [stdout] --> src/runtime/mod.rs:26:7 [INFO] [stdout] | [INFO] [stdout] 26 | #[cfg(feature = "metal-io")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `async-io`, `async-std`, `default`, `runtime-async-std`, `runtime-smol`, `runtime-tokio`, `smol`, and `tokio` [INFO] [stdout] = help: consider adding `metal-io` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `metal-io` [INFO] [stdout] --> src/runtime/mod.rs:28:7 [INFO] [stdout] | [INFO] [stdout] 28 | #[cfg(feature = "metal-io")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `async-io`, `async-std`, `default`, `runtime-async-std`, `runtime-smol`, `runtime-tokio`, `smol`, and `tokio` [INFO] [stdout] = help: consider adding `metal-io` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `metal-io` [INFO] [stdout] --> src/runtime/mod.rs:31:11 [INFO] [stdout] | [INFO] [stdout] 31 | #[cfg(not(feature = "metal-io"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `async-io`, `async-std`, `default`, `runtime-async-std`, `runtime-smol`, `runtime-tokio`, `smol`, and `tokio` [INFO] [stdout] = help: consider adding `metal-io` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/unix.rs:581:15 [INFO] [stdout] | [INFO] [stdout] 572 | let socket = match std::net::UdpSocket::bind("[::]:0") [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 581 | match set_socket_option(&socket, libc::SOL_UDP, libc::UDP_SEGMENT, GSO_SIZE) { [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 `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/unix.rs:624:15 [INFO] [stdout] | [INFO] [stdout] 610 | let socket = match std::net::UdpSocket::bind("[::]:0") [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 624 | match set_socket_option(&socket, libc::SOL_UDP, libc::UDP_GRO, OPTION_ON) { [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; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `async-transport` (lib) due to 3 previous errors; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ec6b3d64f8fe18eb7037eecaa2d75f0a2d428745473bf1df5153ded1bf9ad81a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec6b3d64f8fe18eb7037eecaa2d75f0a2d428745473bf1df5153ded1bf9ad81a", kill_on_drop: false }` [INFO] [stdout] ec6b3d64f8fe18eb7037eecaa2d75f0a2d428745473bf1df5153ded1bf9ad81a