[INFO] fetching crate genawaiter 0.99.1... [INFO] checking genawaiter-0.99.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate genawaiter 0.99.1 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate genawaiter 0.99.1 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 genawaiter 0.99.1 [INFO] finished tweaking crates.io crate genawaiter 0.99.1 [INFO] tweaked toml for crates.io crate genawaiter 0.99.1 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 28 packages to latest compatible versions [INFO] [stderr] Adding proc-macro-error v0.4.12 (latest: v1.0.4) [INFO] [stderr] Adding proc-macro-error-attr v0.4.12 (latest: v1.0.4) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding syn-mid v0.5.4 (latest: v0.6.0) [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] 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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5a7b4bb39a972a75c8d22eb274263e9ec5710fc53f3762b3ffc9c0e0c7b602f6 [INFO] running `Command { std: "docker" "start" "-a" "5a7b4bb39a972a75c8d22eb274263e9ec5710fc53f3762b3ffc9c0e0c7b602f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a7b4bb39a972a75c8d22eb274263e9ec5710fc53f3762b3ffc9c0e0c7b602f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a7b4bb39a972a75c8d22eb274263e9ec5710fc53f3762b3ffc9c0e0c7b602f6", kill_on_drop: false }` [INFO] [stdout] 5a7b4bb39a972a75c8d22eb274263e9ec5710fc53f3762b3ffc9c0e0c7b602f6 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a992ec6e5e00f873e44eef80754dbe2ee7f073d2513d3dcade09e2cd0bd4f0bf [INFO] running `Command { std: "docker" "start" "-a" "a992ec6e5e00f873e44eef80754dbe2ee7f073d2513d3dcade09e2cd0bd4f0bf", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Checking genawaiter-macro v0.99.1 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.12 [INFO] [stderr] Compiling proc-macro-error v0.4.12 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling syn-mid v0.5.4 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling genawaiter-proc-macro v0.99.1 [INFO] [stderr] Checking genawaiter v0.99.1 (/opt/rustwide/workdir) [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/core.rs:34:11 [INFO] [stdout] | [INFO] [stdout] 31 | let waker = waker::create(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 34 | match future.poll(&mut cx) { [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/sync/boxed.rs:36:19 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn new_boxed(producer: impl FnOnce(Co) -> F) -> Self [INFO] [stdout] | ------------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 36 | Self::new(|co| Box::pin(producer(co))) [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/sync/boxed.rs:36:33 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn new_boxed(producer: impl FnOnce(Co) -> F) -> Self [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 36 | Self::new(|co| Box::pin(producer(co))) [INFO] [stdout] | -- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will 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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/sync/engine.rs:30:27 [INFO] [stdout] | [INFO] [stdout] 29 | fn replace(&self, next: Next) -> Next { [INFO] [stdout] | ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 30 | mem::replace(&mut self.0.lock().unwrap(), next) [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 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `genawaiter` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a992ec6e5e00f873e44eef80754dbe2ee7f073d2513d3dcade09e2cd0bd4f0bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a992ec6e5e00f873e44eef80754dbe2ee7f073d2513d3dcade09e2cd0bd4f0bf", kill_on_drop: false }` [INFO] [stdout] a992ec6e5e00f873e44eef80754dbe2ee7f073d2513d3dcade09e2cd0bd4f0bf