[INFO] fetching crate async-watch2 0.1.0... [INFO] checking async-watch2-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate async-watch2 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate async-watch2 0.1.0 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 async-watch2 0.1.0 [INFO] finished tweaking crates.io crate async-watch2 0.1.0 [INFO] tweaked toml for crates.io crate async-watch2 0.1.0 written to /workspace/builds/worker-6-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] Locking 39 packages to latest compatible versions [INFO] [stderr] Adding async-executor v0.1.2 (latest: v1.13.0) [INFO] [stderr] Adding async-io v0.1.11 (latest: v2.3.4) [INFO] [stderr] Adding async-task v3.0.0 (latest: v4.7.1) [INFO] [stderr] Adding bytes v0.5.6 (latest: v1.7.1) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding concurrent-queue v1.2.4 (latest: v2.5.0) [INFO] [stderr] Adding fastrand v1.9.0 (latest: v2.1.1) [INFO] [stderr] Adding futures-lite v0.1.11 (latest: v2.3.0) [INFO] [stderr] Adding parking v1.0.6 (latest: v2.2.0) [INFO] [stderr] Adding pin-project-lite v0.1.12 (latest: v0.2.14) [INFO] [stderr] Adding polling v0.1.9 (latest: v3.7.3) [INFO] [stderr] Adding socket2 v0.3.19 (latest: v0.5.7) [INFO] [stderr] Adding tokio v0.2.25 (latest: v1.40.0) [INFO] [stderr] Adding tokio-test v0.2.1 (latest: v0.4.4) [INFO] [stderr] Adding vec-arena v0.5.2 (latest: v1.2.0) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] baf944ade84cdab5a1282a29ea32055da6c90dd426d1bb22f5336ad61806227c [INFO] running `Command { std: "docker" "start" "-a" "baf944ade84cdab5a1282a29ea32055da6c90dd426d1bb22f5336ad61806227c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "baf944ade84cdab5a1282a29ea32055da6c90dd426d1bb22f5336ad61806227c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "baf944ade84cdab5a1282a29ea32055da6c90dd426d1bb22f5336ad61806227c", kill_on_drop: false }` [INFO] [stdout] baf944ade84cdab5a1282a29ea32055da6c90dd426d1bb22f5336ad61806227c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 78912a425abaf719bc50c921d39d1bca99a40c745f42971cd08eeee99f71517f [INFO] running `Command { std: "docker" "start" "-a" "78912a425abaf719bc50c921d39d1bca99a40c745f42971cd08eeee99f71517f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking cache-padded v1.3.0 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking vec-arena v0.5.2 [INFO] [stderr] Checking async-task v3.0.0 [INFO] [stderr] Checking concurrent-queue v1.2.4 [INFO] [stderr] Checking parking v1.0.6 [INFO] [stderr] Checking scoped-tls v1.0.1 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking futures-lite v0.1.11 [INFO] [stderr] Checking async-watch2 v0.1.0 (/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/lib.rs:271:25 [INFO] [stdout] | [INFO] [stdout] 267 | let v_ref = match self.poll_recv_ref(cx) { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 268 | Ready(v) => v, [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 271 | Poll::Ready(v_ref.map(|v_ref| (*v_ref).clone())) [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `async-watch2` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "78912a425abaf719bc50c921d39d1bca99a40c745f42971cd08eeee99f71517f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78912a425abaf719bc50c921d39d1bca99a40c745f42971cd08eeee99f71517f", kill_on_drop: false }` [INFO] [stdout] 78912a425abaf719bc50c921d39d1bca99a40c745f42971cd08eeee99f71517f