[INFO] fetching crate r1cs 0.4.7... [INFO] checking r1cs-0.4.7 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate r1cs 0.4.7 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate r1cs 0.4.7 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 r1cs 0.4.7 [INFO] finished tweaking crates.io crate r1cs 0.4.7 [INFO] tweaked toml for crates.io crate r1cs 0.4.7 written to /workspace/builds/worker-6-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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 69 packages to latest compatible versions [INFO] [stderr] Adding bimap v0.4.0 (latest: v0.6.3) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding cast v0.2.7 (latest: v0.3.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.16) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding criterion v0.2.11 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.3.1 (latest: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.4.0) [INFO] [stderr] Adding itertools v0.8.2 (latest: v0.13.0) [INFO] [stderr] Adding num v0.2.1 (latest: v0.4.3) [INFO] [stderr] Adding num-bigint v0.2.6 (latest: v0.4.6) [INFO] [stderr] Adding num-complex v0.2.4 (latest: v0.4.6) [INFO] [stderr] Adding num-rational v0.2.4 (latest: v0.4.2) [INFO] [stderr] Adding rand v0.5.6 (latest: v0.8.5) [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 rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_xoshiro v0.1.0 (latest: v0.6.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] addd0770f37ef0564c6c763b2b23877f6998e4a4e407fc498206b4d4e77019b5 [INFO] running `Command { std: "docker" "start" "-a" "addd0770f37ef0564c6c763b2b23877f6998e4a4e407fc498206b4d4e77019b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "addd0770f37ef0564c6c763b2b23877f6998e4a4e407fc498206b4d4e77019b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "addd0770f37ef0564c6c763b2b23877f6998e4a4e407fc498206b4d4e77019b5", kill_on_drop: false }` [INFO] [stdout] addd0770f37ef0564c6c763b2b23877f6998e4a4e407fc498206b4d4e77019b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b1f939bb915bdd4f2106b8cc18860eed14adccf8879e2b849dfc48a4fdaeff44 [INFO] running `Command { std: "docker" "start" "-a" "b1f939bb915bdd4f2106b8cc18860eed14adccf8879e2b849dfc48a4fdaeff44", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking bimap v0.4.0 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking r1cs v0.4.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> src/curve.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 58 | pub struct MontgomeryPointExpression { [INFO] [stdout] | ------------------------- fields in this struct [INFO] [stdout] 59 | x: Expression, [INFO] [stdout] | ^ [INFO] [stdout] 60 | y: Expression, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> src/curve.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 66 | pub struct WeierstrassPointExpression { [INFO] [stdout] | -------------------------- fields in this struct [INFO] [stdout] 67 | x: Expression, [INFO] [stdout] | ^ [INFO] [stdout] 68 | y: Expression, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x`, `y`, and `z` are never read [INFO] [stdout] --> src/curve.rs:75:5 [INFO] [stdout] | [INFO] [stdout] 74 | pub struct ProjWeierstrassPointExpression { [INFO] [stdout] | ------------------------------ fields in this struct [INFO] [stdout] 75 | x: Expression, [INFO] [stdout] | ^ [INFO] [stdout] 76 | y: Expression, [INFO] [stdout] | ^ [INFO] [stdout] 77 | z: Expression, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `verify` is never used [INFO] [stdout] --> src/signature.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait SignatureExpression, CF> { [INFO] [stdout] | ------------------- method in this trait [INFO] [stdout] 4 | fn verify( [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/witness_generator.rs:26:24 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn new(inputs: Vec, generate: T) -> Self [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 26 | generator: Box::new(generate), [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 `r1cs` (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" "b1f939bb915bdd4f2106b8cc18860eed14adccf8879e2b849dfc48a4fdaeff44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1f939bb915bdd4f2106b8cc18860eed14adccf8879e2b849dfc48a4fdaeff44", kill_on_drop: false }` [INFO] [stdout] b1f939bb915bdd4f2106b8cc18860eed14adccf8879e2b849dfc48a4fdaeff44