[INFO] fetching crate dusk-plonk 0.20.0... [INFO] checking dusk-plonk-0.20.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate dusk-plonk 0.20.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate dusk-plonk 0.20.0 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] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml [INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate dusk-plonk 0.20.0 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate dusk-plonk 0.20.0 [INFO] tweaked toml for crates.io crate dusk-plonk 0.20.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate dusk-plonk 0.20.0 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] [stderr] Blocking waiting for file lock on package cache [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] 18d39ec55a8a89de0dd7c79c78ffaf7ea720ee9423844c9a41ae41e1b8e36d79 [INFO] running `Command { std: "docker" "start" "-a" "18d39ec55a8a89de0dd7c79c78ffaf7ea720ee9423844c9a41ae41e1b8e36d79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "18d39ec55a8a89de0dd7c79c78ffaf7ea720ee9423844c9a41ae41e1b8e36d79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18d39ec55a8a89de0dd7c79c78ffaf7ea720ee9423844c9a41ae41e1b8e36d79", kill_on_drop: false }` [INFO] [stdout] 18d39ec55a8a89de0dd7c79c78ffaf7ea720ee9423844c9a41ae41e1b8e36d79 [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] 9396eef4674db6c3fbd4097e82ed6ada8f1bbbd7b83f22b31bd081a9b90299ab [INFO] running `Command { std: "docker" "start" "-a" "9396eef4674db6c3fbd4097e82ed6ada8f1bbbd7b83f22b31bd081a9b90299ab", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling radium v0.7.0 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking funty v2.0.0 [INFO] [stderr] Compiling rayon-core v1.12.0 [INFO] [stderr] Checking subtle v2.5.0 [INFO] [stderr] Compiling serde v1.0.189 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling rustix v0.38.21 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Checking wyz v0.5.1 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking linux-raw-sys v0.4.12 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking anstyle v1.0.4 [INFO] [stderr] Checking blake2b_simd v1.0.2 [INFO] [stderr] Checking ciborium-io v0.2.1 [INFO] [stderr] Checking regex-automata v0.4.2 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking clap_builder v4.4.12 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking ahash v0.4.7 [INFO] [stderr] Checking ciborium-ll v0.2.1 [INFO] [stderr] Compiling rkyv v0.7.42 [INFO] [stderr] Checking keccak v0.1.4 [INFO] [stderr] Checking cpufeatures v0.2.9 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking bitvec v1.0.1 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking walkdir v2.4.0 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking seahash v4.1.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking is-terminal v0.4.10 [INFO] [stderr] Checking rayon v1.8.0 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking clap v4.4.12 [INFO] [stderr] Checking regex v1.10.1 [INFO] [stderr] Checking ff v0.13.0 [INFO] [stderr] Checking group v0.13.0 [INFO] [stderr] Checking pairing v0.23.0 [INFO] [stderr] Compiling derive-hex v0.1.2 [INFO] [stderr] Compiling ptr_meta_derive v0.1.4 [INFO] [stderr] Compiling rkyv_derive v0.7.42 [INFO] [stderr] Compiling serde_derive v1.0.189 [INFO] [stderr] Compiling zeroize_derive v1.4.2 [INFO] [stderr] Compiling msgpacker-derive v0.3.1 [INFO] [stderr] Checking dusk-bytes v0.1.6 [INFO] [stderr] Checking ptr_meta v0.1.4 [INFO] [stderr] Checking dusk-bls12_381 v0.13.0 [INFO] [stderr] Checking zeroize v1.6.0 [INFO] [stderr] Checking msgpacker v0.4.3 [INFO] [stderr] Checking merlin v3.0.0 [INFO] [stderr] Checking dusk-jubjub v0.14.0 [INFO] [stderr] Checking dusk-plonk v0.20.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `w` and `v` are never read [INFO] [stdout] --> src/runtime.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 21 | WitnessAppended { [INFO] [stdout] | --------------- fields in this variant [INFO] [stdout] 22 | /// Appended witness [INFO] [stdout] 23 | w: Witness, [INFO] [stdout] | ^ [INFO] [stdout] 24 | /// Witness value [INFO] [stdout] 25 | v: BlsScalar, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `RuntimeEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `c` is never read [INFO] [stdout] --> src/runtime.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 29 | ConstraintAppended { [INFO] [stdout] | ------------------ field in this variant [INFO] [stdout] 30 | /// Appended constraint [INFO] [stdout] 31 | c: Constraint, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `RuntimeEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [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/compiler.rs:87:12 [INFO] [stdout] | [INFO] [stdout] 84 | let (prover, verifier) = [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] ... [INFO] [stdout] 87 | Ok((prover, verifier)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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/compiler.rs:414:12 [INFO] [stdout] | [INFO] [stdout] 96 | let mut perm = prover.perm.clone(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 396 | let prover = Prover::new( [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 405 | let verifier = Verifier::new( [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 414 | Ok((prover, verifier)) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/compiler/prover.rs:214:12 [INFO] [stdout] | [INFO] [stdout] 151 | pub fn try_from_bytes(bytes: B) -> Result [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 214 | Ok(Self::new( [INFO] [stdout] | ____________^ [INFO] [stdout] 215 | | label, [INFO] [stdout] 216 | | prover_key, [INFO] [stdout] 217 | | commit_key, [INFO] [stdout] ... | [INFO] [stdout] 220 | | constraints, [INFO] [stdout] 221 | | )) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/compiler/verifier.rs:182:12 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn try_from_bytes(bytes: B) -> Result [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 182 | Ok(Self::new( [INFO] [stdout] | ____________^ [INFO] [stdout] 183 | | label, [INFO] [stdout] 184 | | verifier_key, [INFO] [stdout] 185 | | opening_key, [INFO] [stdout] ... | [INFO] [stdout] 188 | | constraints, [INFO] [stdout] 189 | | )) [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 4 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `dusk-plonk` (lib) due to 5 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "9396eef4674db6c3fbd4097e82ed6ada8f1bbbd7b83f22b31bd081a9b90299ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9396eef4674db6c3fbd4097e82ed6ada8f1bbbd7b83f22b31bd081a9b90299ab", kill_on_drop: false }` [INFO] [stdout] 9396eef4674db6c3fbd4097e82ed6ada8f1bbbd7b83f22b31bd081a9b90299ab