[INFO] fetching crate implicit-await 0.1.0... [INFO] checking implicit-await-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate implicit-await 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate implicit-await 0.1.0 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 implicit-await 0.1.0 [INFO] finished tweaking crates.io crate implicit-await 0.1.0 [INFO] tweaked toml for crates.io crate implicit-await 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 38 packages to latest compatible versions [INFO] [stderr] Adding futures-channel-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19) [INFO] [stderr] Adding futures-core-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19) [INFO] [stderr] Adding futures-executor-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19) [INFO] [stderr] Adding futures-io-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19) [INFO] [stderr] Adding futures-join-macro-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19) [INFO] [stderr] Adding futures-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19) [INFO] [stderr] Adding futures-select-macro-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19) [INFO] [stderr] Adding futures-sink-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19) [INFO] [stderr] Adding futures-util-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19) [INFO] [stderr] Adding getrandom v0.1.16 (available: v0.2.15) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding proc-macro2 v0.4.30 (available: v1.0.86) [INFO] [stderr] Adding quote v0.6.13 (available: v1.0.37) [INFO] [stderr] Adding rand v0.7.3 (available: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (available: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (available: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (available: v0.3.2) [INFO] [stderr] Adding syn v0.15.44 (available: v2.0.79) [INFO] [stderr] Adding unicode-xid v0.1.0 (available: v0.2.6) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 139763b87f9a481cc42a75f6f8adaa656b9bc83b9f7fc5d9143c1613d8bcdc74 [INFO] running `Command { std: "docker" "start" "-a" "139763b87f9a481cc42a75f6f8adaa656b9bc83b9f7fc5d9143c1613d8bcdc74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "139763b87f9a481cc42a75f6f8adaa656b9bc83b9f7fc5d9143c1613d8bcdc74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "139763b87f9a481cc42a75f6f8adaa656b9bc83b9f7fc5d9143c1613d8bcdc74", kill_on_drop: false }` [INFO] [stdout] 139763b87f9a481cc42a75f6f8adaa656b9bc83b9f7fc5d9143c1613d8bcdc74 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a5922f00831441f9a4384d471485b7c8cdc98bdd64bf8a6180533e38e5504704 [INFO] running `Command { std: "docker" "start" "-a" "a5922f00831441f9a4384d471485b7c8cdc98bdd64bf8a6180533e38e5504704", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling futures-select-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-join-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling implicit-await-macro v0.1.0 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Checking implicit-await v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated type alias `std::alloc::LayoutErr`: Name does not follow std convention, use LayoutError [INFO] [stdout] --> src/as_future_core.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | core::alloc::LayoutErr [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.18 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.18 [INFO] [stdout] warning: use of deprecated type alias `std::alloc::LayoutErr`: Name does not follow std convention, use LayoutError [INFO] [stdout] --> src/as_future_core.rs:3:18 [INFO] [stdout] | [INFO] [stdout] 3 | core::alloc::LayoutErr [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stdout] --> examples/sum.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(async_await)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `impl futures::Future>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/sum.rs:28:22 [INFO] [stdout] | [INFO] [stdout] 18 | #[implicit_await] [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] ... [INFO] [stdout] 28 | let (four, five, six) = defer! {( [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 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `implicit-await` (example "sum") due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "a5922f00831441f9a4384d471485b7c8cdc98bdd64bf8a6180533e38e5504704", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5922f00831441f9a4384d471485b7c8cdc98bdd64bf8a6180533e38e5504704", kill_on_drop: false }` [INFO] [stdout] a5922f00831441f9a4384d471485b7c8cdc98bdd64bf8a6180533e38e5504704