[INFO] fetching crate cks_accumulator 0.1.2... [INFO] checking cks_accumulator-0.1.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate cks_accumulator 0.1.2 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate cks_accumulator 0.1.2 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 cks_accumulator 0.1.2 [INFO] finished tweaking crates.io crate cks_accumulator 0.1.2 [INFO] tweaked toml for crates.io crate cks_accumulator 0.1.2 written to /workspace/builds/worker-1-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 58 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding amcl_wrapper v0.3.5 (latest: v0.4.0) [INFO] [stderr] Adding block-buffer v0.7.3 (latest: v0.10.4) [INFO] [stderr] Adding block-padding v0.1.5 (latest: v0.3.3) [INFO] [stderr] Adding digest v0.8.1 (latest: v0.10.7) [INFO] [stderr] Adding generic-array v0.12.4 (latest: v1.1.0) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.15) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [INFO] [stderr] Adding opaque-debug v0.2.3 (latest: v0.3.1) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding sha3 v0.8.2 (latest: v0.10.8) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [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] 398254acad9984bdd38a43ff4d0924c95a131b8d1ceaa7c93794c1785223ed7d [INFO] running `Command { std: "docker" "start" "-a" "398254acad9984bdd38a43ff4d0924c95a131b8d1ceaa7c93794c1785223ed7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "398254acad9984bdd38a43ff4d0924c95a131b8d1ceaa7c93794c1785223ed7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "398254acad9984bdd38a43ff4d0924c95a131b8d1ceaa7c93794c1785223ed7d", kill_on_drop: false }` [INFO] [stdout] 398254acad9984bdd38a43ff4d0924c95a131b8d1ceaa7c93794c1785223ed7d [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] 66c5e8d8ab5511790be357ece7ca6176171c93c6f60e21919d4652c261260ba0 [INFO] running `Command { std: "docker" "start" "-a" "66c5e8d8ab5511790be357ece7ca6176171c93c6f60e21919d4652c261260ba0", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling backtrace v0.3.73 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Compiling unicode-xid v0.2.5 [INFO] [stderr] Checking gimli v0.29.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking miniz_oxide v0.7.4 [INFO] [stderr] Checking object v0.36.4 [INFO] [stderr] Checking rustc-demangle v0.1.24 [INFO] [stderr] Checking keccak v0.1.5 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking sha3 v0.8.2 [INFO] [stderr] Checking subtle-encoding v0.5.1 [INFO] [stderr] Checking miracl_amcl v3.2.5 [INFO] [stderr] Checking addr2line v0.22.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking amcl_wrapper v0.3.5 [INFO] [stderr] Checking cks_accumulator v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `generate_entries_from_trapdoor` is never used [INFO] [stdout] --> src/accumulator.rs:118:4 [INFO] [stdout] | [INFO] [stdout] 118 | fn generate_entries_from_trapdoor(size: usize, label: &[u8], gamma: &FieldElement) -> (G1Vector, G2Vector, GT) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/accumulator.rs:192:8 [INFO] [stdout] | [INFO] [stdout] 191 | impl InMemoryAccumulatorEntries { [INFO] [stdout] | ------------------------------- associated function in this implementation [INFO] [stdout] 192 | fn new(size: usize, label: &[u8]) -> (InMemoryAccumulatorEntries, FieldElement, GT) { [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/accumulator.rs:198:13 [INFO] [stdout] | [INFO] [stdout] 193 | let trapdoor = FieldElement::random(); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 194 | [INFO] [stdout] 195 | let(g1_powers, g2_powers, z) = generate_entries_from_trapdoor(size, label, &trapdoor); [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] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 198 | / InMemoryAccumulatorEntries { [INFO] [stdout] 199 | | size, [INFO] [stdout] 200 | | g1_powers, [INFO] [stdout] 201 | | g2_powers, [INFO] [stdout] 202 | | }, [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cks_accumulator` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: value assigned to `witness` is never read [INFO] [stdout] --> src/accumulator.rs:567:17 [INFO] [stdout] | [INFO] [stdout] 567 | let mut witness: Option = None; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` 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/accumulator.rs:198:13 [INFO] [stdout] | [INFO] [stdout] 193 | let trapdoor = FieldElement::random(); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 194 | [INFO] [stdout] 195 | let(g1_powers, g2_powers, z) = generate_entries_from_trapdoor(size, label, &trapdoor); [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] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 198 | / InMemoryAccumulatorEntries { [INFO] [stdout] 199 | | size, [INFO] [stdout] 200 | | g1_powers, [INFO] [stdout] 201 | | g2_powers, [INFO] [stdout] 202 | | }, [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 `cks_accumulator` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "66c5e8d8ab5511790be357ece7ca6176171c93c6f60e21919d4652c261260ba0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66c5e8d8ab5511790be357ece7ca6176171c93c6f60e21919d4652c261260ba0", kill_on_drop: false }` [INFO] [stdout] 66c5e8d8ab5511790be357ece7ca6176171c93c6f60e21919d4652c261260ba0