[INFO] fetching crate gothack-future-parking_lot 0.3.4... [INFO] checking gothack-future-parking_lot-0.3.4 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate gothack-future-parking_lot 0.3.4 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate gothack-future-parking_lot 0.3.4 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 gothack-future-parking_lot 0.3.4 [INFO] finished tweaking crates.io crate gothack-future-parking_lot 0.3.4 [INFO] tweaked toml for crates.io crate gothack-future-parking_lot 0.3.4 written to /workspace/builds/worker-3-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 66 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding env_logger v0.9.3 (latest: v0.11.5) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.4.0) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] eff19d6750a87cc2f1ec0ac39cd13df7d21ae29e379146da1da9be60e6ed3898 [INFO] running `Command { std: "docker" "start" "-a" "eff19d6750a87cc2f1ec0ac39cd13df7d21ae29e379146da1da9be60e6ed3898", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eff19d6750a87cc2f1ec0ac39cd13df7d21ae29e379146da1da9be60e6ed3898", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eff19d6750a87cc2f1ec0ac39cd13df7d21ae29e379146da1da9be60e6ed3898", kill_on_drop: false }` [INFO] [stdout] eff19d6750a87cc2f1ec0ac39cd13df7d21ae29e379146da1da9be60e6ed3898 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 70358a2a59fec97dc0d6785d5bba24d55791507d242eff922df15733168767d0 [INFO] running `Command { std: "docker" "start" "-a" "70358a2a59fec97dc0d6785d5bba24d55791507d242eff922df15733168767d0", kill_on_drop: false }` [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Checking gothack-future-parking_lot v0.3.4 (/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/rwlock/upgradable_read.rs:125:15 [INFO] [stdout] | [INFO] [stdout] 116 | let rlock = self [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 125 | match RwLockUpgradableReadGuard::try_upgrade(rlock) { [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/rwlock/upgradable_read.rs:156:32 [INFO] [stdout] | [INFO] [stdout] 155 | fn future_upgrade(s: Self) -> FutureUpgrade<'a, R, T> { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 156 | FutureUpgrade { rlock: Some(s) } [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `gothack-future-parking_lot` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "70358a2a59fec97dc0d6785d5bba24d55791507d242eff922df15733168767d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70358a2a59fec97dc0d6785d5bba24d55791507d242eff922df15733168767d0", kill_on_drop: false }` [INFO] [stdout] 70358a2a59fec97dc0d6785d5bba24d55791507d242eff922df15733168767d0