[INFO] fetching crate widerwlock 0.5.0... [INFO] checking widerwlock-0.5.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate widerwlock 0.5.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate widerwlock 0.5.0 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 widerwlock 0.5.0 [INFO] finished tweaking crates.io crate widerwlock 0.5.0 [INFO] tweaked toml for crates.io crate widerwlock 0.5.0 written to /workspace/builds/worker-2-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 bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding lock_api v0.1.5 (latest: v0.4.12) [INFO] [stderr] Adding parking_lot v0.6.4 (latest: v0.12.3) [INFO] [stderr] Adding parking_lot_core v0.3.1 (latest: v0.9.10) [INFO] [stderr] Adding rand v0.5.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.2.2 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.1) [INFO] [stderr] Adding scopeguard v0.3.3 (latest: v1.2.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.23) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding xoshiro v0.0.4 (latest: v0.0.5) [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] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7cdad8db53910898b2303cdcdfd378268608da695e1d2dc43e08de95d0a8a2b2 [INFO] running `Command { std: "docker" "start" "-a" "7cdad8db53910898b2303cdcdfd378268608da695e1d2dc43e08de95d0a8a2b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7cdad8db53910898b2303cdcdfd378268608da695e1d2dc43e08de95d0a8a2b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cdad8db53910898b2303cdcdfd378268608da695e1d2dc43e08de95d0a8a2b2", kill_on_drop: false }` [INFO] [stdout] 7cdad8db53910898b2303cdcdfd378268608da695e1d2dc43e08de95d0a8a2b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1eead015d9fe430b4ee132730ac9b608f95135149b46a826d71dc4cbcceb0d62 [INFO] running `Command { std: "docker" "start" "-a" "1eead015d9fe430b4ee132730ac9b608f95135149b46a826d71dc4cbcceb0d62", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking xoshiro v0.0.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking widerwlock v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/lib.rs:465:17 [INFO] [stdout] | [INFO] [stdout] 465 | spin_loop_hint(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/lib.rs:644:17 [INFO] [stdout] | [INFO] [stdout] 644 | spin_loop_hint(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/lib.rs:713:17 [INFO] [stdout] | [INFO] [stdout] 713 | spin_loop_hint(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/lib.rs:760:17 [INFO] [stdout] | [INFO] [stdout] 760 | spin_loop_hint(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [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/lib.rs:848:31 [INFO] [stdout] | [INFO] [stdout] 848 | THREAD_ID.with(|id_cell| *id_cell.borrow() ) [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; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `widerwlock` (lib) due to 2 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "1eead015d9fe430b4ee132730ac9b608f95135149b46a826d71dc4cbcceb0d62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1eead015d9fe430b4ee132730ac9b608f95135149b46a826d71dc4cbcceb0d62", kill_on_drop: false }` [INFO] [stdout] 1eead015d9fe430b4ee132730ac9b608f95135149b46a826d71dc4cbcceb0d62