[INFO] cloning repository https://github.com/SpadeA-Tang/skiplist-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SpadeA-Tang/skiplist-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpadeA-Tang%2Fskiplist-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpadeA-Tang%2Fskiplist-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a9d27501ddfc17d6df9afababcaa6280f1af9e77 [INFO] checking SpadeA-Tang/skiplist-rs/a9d27501ddfc17d6df9afababcaa6280f1af9e77 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpadeA-Tang%2Fskiplist-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SpadeA-Tang/skiplist-rs 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 git repo https://github.com/SpadeA-Tang/skiplist-rs [INFO] finished tweaking git repo https://github.com/SpadeA-Tang/skiplist-rs [INFO] tweaked toml for git repo https://github.com/SpadeA-Tang/skiplist-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/SpadeA-Tang/skiplist-rs already has a lockfile, it will not be regenerated [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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f99240f306f230cd4b619a925a747822fcd22189d7643d0068fea7540bba0165 [INFO] running `Command { std: "docker" "start" "-a" "f99240f306f230cd4b619a925a747822fcd22189d7643d0068fea7540bba0165", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f99240f306f230cd4b619a925a747822fcd22189d7643d0068fea7540bba0165", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f99240f306f230cd4b619a925a747822fcd22189d7643d0068fea7540bba0165", kill_on_drop: false }` [INFO] [stdout] f99240f306f230cd4b619a925a747822fcd22189d7643d0068fea7540bba0165 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 34c19e28ffadb56708cb3118c9f097fdbd4353923dc75266bf6fcbcb954cd9f7 [INFO] running `Command { std: "docker" "start" "-a" "34c19e28ffadb56708cb3118c9f097fdbd4353923dc75266bf6fcbcb954cd9f7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking smallvec v1.13.1 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking scoped-tls v1.0.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking regex-automata v0.4.4 [INFO] [stderr] Compiling tikv-jemalloc-sys v0.5.4+5.3.0-patched [INFO] [stderr] Compiling generator v0.7.5 [INFO] [stderr] Checking fail v0.5.1 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Checking regex v1.10.3 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking loom v0.7.1 [INFO] [stderr] Checking tikv-jemalloc-ctl v0.5.4 [INFO] [stderr] Checking tikv-jemallocator v0.5.4 [INFO] [stderr] Checking skiplist-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `drop_key_value` is never used [INFO] [stdout] --> src/list.rs:124:8 [INFO] [stdout] | [INFO] [stdout] 121 | pub trait ReclaimableNode { [INFO] [stdout] | --------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 124 | fn drop_key_value(&mut self); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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/list.rs:302:20 [INFO] [stdout] | [INFO] [stdout] 298 | pub fn new(c: C, mem_limiter: Arc) -> Skiplist { [INFO] [stdout] | ---- ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 299 | let collector = default_collector().clone(); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 300 | let arena = Arena::new(mem_limiter); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 301 | Skiplist { [INFO] [stdout] 302 | inner: Arc::new(SkiplistInner { [INFO] [stdout] | ____________________^ [INFO] [stdout] 303 | | hot_data: CachePadded::new(HotData { [INFO] [stdout] 304 | | seed: AtomicUsize::new(1), [INFO] [stdout] 305 | | max_height: AtomicUsize::new(1), [INFO] [stdout] ... | [INFO] [stdout] 309 | | arena, [INFO] [stdout] 310 | | }), [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `skiplist-rs` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: method `drop_key_value` is never used [INFO] [stdout] --> src/list.rs:124:8 [INFO] [stdout] | [INFO] [stdout] 121 | pub trait ReclaimableNode { [INFO] [stdout] | --------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 124 | fn drop_key_value(&mut self); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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/list.rs:302:20 [INFO] [stdout] | [INFO] [stdout] 298 | pub fn new(c: C, mem_limiter: Arc) -> Skiplist { [INFO] [stdout] | ---- ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 299 | let collector = default_collector().clone(); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 300 | let arena = Arena::new(mem_limiter); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 301 | Skiplist { [INFO] [stdout] 302 | inner: Arc::new(SkiplistInner { [INFO] [stdout] | ____________________^ [INFO] [stdout] 303 | | hot_data: CachePadded::new(HotData { [INFO] [stdout] 304 | | seed: AtomicUsize::new(1), [INFO] [stdout] 305 | | max_height: AtomicUsize::new(1), [INFO] [stdout] ... | [INFO] [stdout] 309 | | arena, [INFO] [stdout] 310 | | }), [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `skiplist-rs` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "34c19e28ffadb56708cb3118c9f097fdbd4353923dc75266bf6fcbcb954cd9f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34c19e28ffadb56708cb3118c9f097fdbd4353923dc75266bf6fcbcb954cd9f7", kill_on_drop: false }` [INFO] [stdout] 34c19e28ffadb56708cb3118c9f097fdbd4353923dc75266bf6fcbcb954cd9f7