[INFO] fetching crate tower-ready-cache 0.3.1... [INFO] checking tower-ready-cache-0.3.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate tower-ready-cache 0.3.1 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate tower-ready-cache 0.3.1 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 tower-ready-cache 0.3.1 [INFO] finished tweaking crates.io crate tower-ready-cache 0.3.1 [INFO] tweaked toml for crates.io crate tower-ready-cache 0.3.1 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] Locking 25 packages to latest compatible versions [INFO] [stderr] Adding bytes v0.5.6 (latest: v1.7.1) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.5) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.5.0) [INFO] [stderr] Adding pin-project v0.4.30 (latest: v1.1.5) [INFO] [stderr] Adding pin-project-internal v0.4.30 (latest: v1.1.5) [INFO] [stderr] Adding pin-project-lite v0.1.12 (latest: v0.2.14) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [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 tower-test v0.3.0 (latest: v0.4.0) [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-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] 47c62c10442759582f5e57e906f05e55d623c29f0ad8c0baf7d184495138d572 [INFO] running `Command { std: "docker" "start" "-a" "47c62c10442759582f5e57e906f05e55d623c29f0ad8c0baf7d184495138d572", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "47c62c10442759582f5e57e906f05e55d623c29f0ad8c0baf7d184495138d572", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47c62c10442759582f5e57e906f05e55d623c29f0ad8c0baf7d184495138d572", kill_on_drop: false }` [INFO] [stdout] 47c62c10442759582f5e57e906f05e55d623c29f0ad8c0baf7d184495138d572 [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] 48c822e3e6fd122e4764914f78965135cd117974da56b3e5fbe718c23cdb42cc [INFO] running `Command { std: "docker" "start" "-a" "48c822e3e6fd122e4764914f78965135cd117974da56b3e5fbe718c23cdb42cc", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking tower-layer v0.3.3 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking tokio-test v0.2.1 [INFO] [stderr] Checking tower-ready-cache v0.3.1 (/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/cache.rs:179:9 [INFO] [stdout] | [INFO] [stdout] 172 | let canceled = if let Some(c) = self.pending_cancel_txs.swap_remove(key) { [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 179 | / self.ready [INFO] [stdout] 180 | | .swap_remove_full(key) [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 `tower-ready-cache` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "48c822e3e6fd122e4764914f78965135cd117974da56b3e5fbe718c23cdb42cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48c822e3e6fd122e4764914f78965135cd117974da56b3e5fbe718c23cdb42cc", kill_on_drop: false }` [INFO] [stdout] 48c822e3e6fd122e4764914f78965135cd117974da56b3e5fbe718c23cdb42cc