[INFO] fetching crate fawkes-crypto-bellman_ce 0.3.5... [INFO] checking fawkes-crypto-bellman_ce-0.3.5 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate fawkes-crypto-bellman_ce 0.3.5 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate fawkes-crypto-bellman_ce 0.3.5 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 fawkes-crypto-bellman_ce 0.3.5 [INFO] finished tweaking crates.io crate fawkes-crypto-bellman_ce 0.3.5 [INFO] tweaked toml for crates.io crate fawkes-crypto-bellman_ce 0.3.5 written to /workspace/builds/worker-4-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 61 packages to latest compatible versions [INFO] [stderr] Adding arrayvec v0.4.12 (latest: v0.7.6) [INFO] [stderr] Adding bit-vec v0.6.3 (latest: v0.8.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding constant_time_eq v0.1.5 (latest: v0.3.1) [INFO] [stderr] Adding crossbeam v0.7.3 (latest: v0.8.4) [INFO] [stderr] Adding crossbeam-channel v0.4.4 (latest: v0.5.13) [INFO] [stderr] Adding crossbeam-deque v0.7.4 (latest: v0.8.5) [INFO] [stderr] Adding crossbeam-epoch v0.8.2 (latest: v0.9.18) [INFO] [stderr] Adding crossbeam-queue v0.2.3 (latest: v0.3.11) [INFO] [stderr] Adding crossbeam-utils v0.7.2 (latest: v0.8.20) [INFO] [stderr] Adding ff_ce v0.7.1 (latest: v0.14.3) [INFO] [stderr] Adding ff_derive_ce v0.5.1 (latest: v0.11.2) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding hex v0.3.2 (latest: v0.4.3) [INFO] [stderr] Adding memoffset v0.5.6 (latest: v0.9.1) [INFO] [stderr] Adding num-bigint v0.2.6 (latest: v0.4.6) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.86) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.37) [INFO] [stderr] Adding rand v0.4.6 (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 rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding syn v0.14.9 (latest: v2.0.77) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.5) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d5e64bc57825f43629e0a2b383764cf6fafb73dc063b8195d42d983a687e42ee [INFO] running `Command { std: "docker" "start" "-a" "d5e64bc57825f43629e0a2b383764cf6fafb73dc063b8195d42d983a687e42ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d5e64bc57825f43629e0a2b383764cf6fafb73dc063b8195d42d983a687e42ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5e64bc57825f43629e0a2b383764cf6fafb73dc063b8195d42d983a687e42ee", kill_on_drop: false }` [INFO] [stdout] d5e64bc57825f43629e0a2b383764cf6fafb73dc063b8195d42d983a687e42ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 61d8ce48397ab044b92b2725929fca6a69ab1ffcb0ff65a790aa399d84e0993a [INFO] running `Command { std: "docker" "start" "-a" "61d8ce48397ab044b92b2725929fca6a69ab1ffcb0ff65a790aa399d84e0993a", kill_on_drop: false }` [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Checking hex v0.3.2 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling ff_derive_ce v0.5.1 [INFO] [stderr] Checking ff_ce v0.7.1 [INFO] [stderr] Checking fawkes-crypto-pairing_ce v0.18.1 [INFO] [stderr] Checking fawkes-crypto-bellman_ce v0.3.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused attribute `allow` [INFO] [stdout] --> src/log.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[allow(unused_macros)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the built-in attribute `allow` will be ignored, since it's applied to the macro invocation `cfg_if` [INFO] [stdout] --> src/log.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | cfg_if! { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute `allow` [INFO] [stdout] --> src/log.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[allow(unused_macros)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the built-in attribute `allow` will be ignored, since it's applied to the macro invocation `cfg_if` [INFO] [stdout] --> src/log.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | cfg_if! { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] = note: `#[warn(unused_attributes)]` 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/groth16/mod.rs:374:12 [INFO] [stdout] | [INFO] [stdout] 288 | mut reader: R, [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 374 | Ok(Parameters { [INFO] [stdout] | ____________^ [INFO] [stdout] 375 | | vk: vk, [INFO] [stdout] 376 | | h: Arc::new(h), [INFO] [stdout] 377 | | l: Arc::new(l), [INFO] [stdout] ... | [INFO] [stdout] 380 | | b_g2: Arc::new(b_g2) [INFO] [stdout] 381 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/groth16/generator.rs:500:8 [INFO] [stdout] | [INFO] [stdout] 179 | circuit: C, [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 246 | let worker = Worker::new(); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 500 | Ok(Parameters { [INFO] [stdout] | ________^ [INFO] [stdout] 501 | | vk: vk, [INFO] [stdout] 502 | | h: Arc::new(h.into_iter().map(|e| e.into_affine()).collect()), [INFO] [stdout] 503 | | l: Arc::new(l.into_iter().map(|e| e.into_affine()).collect()), [INFO] [stdout] ... | [INFO] [stdout] 508 | | b_g2: Arc::new(b_g2.into_iter().filter(|e| !e.is_zero()).map(|e| e.into_affine()).collect()) [INFO] [stdout] 509 | | }) [INFO] [stdout] | | ^ [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] | |_____these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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/source.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 39 | fn new(self) -> (Arc>, usize) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 40 | (self.0.clone(), self.1) [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/multicore.rs:51:21 [INFO] [stdout] | [INFO] [stdout] 42 | &self, f: F [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 51 | future: self.pool.spawn_fn(f) [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/multicore.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 58 | f: F [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 68 | / crossbeam::scope(|scope| { [INFO] [stdout] 69 | | f(scope, chunk_size) [INFO] [stdout] 70 | | }).expect("must run") [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 5 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fawkes-crypto-bellman_ce` (lib) due to 6 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/groth16/mod.rs:374:12 [INFO] [stdout] | [INFO] [stdout] 288 | mut reader: R, [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 374 | Ok(Parameters { [INFO] [stdout] | ____________^ [INFO] [stdout] 375 | | vk: vk, [INFO] [stdout] 376 | | h: Arc::new(h), [INFO] [stdout] 377 | | l: Arc::new(l), [INFO] [stdout] ... | [INFO] [stdout] 380 | | b_g2: Arc::new(b_g2) [INFO] [stdout] 381 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/groth16/generator.rs:500:8 [INFO] [stdout] | [INFO] [stdout] 179 | circuit: C, [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 246 | let worker = Worker::new(); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 500 | Ok(Parameters { [INFO] [stdout] | ________^ [INFO] [stdout] 501 | | vk: vk, [INFO] [stdout] 502 | | h: Arc::new(h.into_iter().map(|e| e.into_affine()).collect()), [INFO] [stdout] 503 | | l: Arc::new(l.into_iter().map(|e| e.into_affine()).collect()), [INFO] [stdout] ... | [INFO] [stdout] 508 | | b_g2: Arc::new(b_g2.into_iter().filter(|e| !e.is_zero()).map(|e| e.into_affine()).collect()) [INFO] [stdout] 509 | | }) [INFO] [stdout] | | ^ [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] | |_____these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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/groth16/mod.rs:507:58 [INFO] [stdout] | [INFO] [stdout] 507 | let a = cs.alloc(|| "a", || self.a.ok_or(SynthesisError::AssignmentMissing))?; [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/groth16/mod.rs:508:58 [INFO] [stdout] | [INFO] [stdout] 508 | let b = cs.alloc(|| "b", || self.b.ok_or(SynthesisError::AssignmentMissing))?; [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/source.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 39 | fn new(self) -> (Arc>, usize) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 40 | (self.0.clone(), self.1) [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/multicore.rs:51:21 [INFO] [stdout] | [INFO] [stdout] 42 | &self, f: F [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 51 | future: self.pool.spawn_fn(f) [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/multicore.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 58 | f: F [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 68 | / crossbeam::scope(|scope| { [INFO] [stdout] 69 | | f(scope, chunk_size) [INFO] [stdout] 70 | | }).expect("must run") [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 7 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fawkes-crypto-bellman_ce` (lib test) due to 8 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "61d8ce48397ab044b92b2725929fca6a69ab1ffcb0ff65a790aa399d84e0993a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61d8ce48397ab044b92b2725929fca6a69ab1ffcb0ff65a790aa399d84e0993a", kill_on_drop: false }` [INFO] [stdout] 61d8ce48397ab044b92b2725929fca6a69ab1ffcb0ff65a790aa399d84e0993a