[INFO] fetching crate ark-relations-zkhub 0.4.7... [INFO] checking ark-relations-zkhub-0.4.7 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate ark-relations-zkhub 0.4.7 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate ark-relations-zkhub 0.4.7 [INFO] finished tweaking crates.io crate ark-relations-zkhub 0.4.7 [INFO] tweaked toml for crates.io crate ark-relations-zkhub 0.4.7 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ark-relations-zkhub 0.4.7 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 81 packages to latest compatible versions [INFO] [stderr] Adding ark-ff v0.4.2 (available: v0.5.0) [INFO] [stderr] Adding ark-std v0.4.0 (available: v0.5.0) [INFO] [stderr] Adding ark-test-curves v0.4.2 (available: v0.5.0) [INFO] [stderr] Adding tracing-subscriber v0.2.25 (available: v0.3.19) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dfda151c717d65bc5096110758828572a1a73a9f4fcb04a408d7651306884096 [INFO] running `Command { std: "docker" "start" "-a" "dfda151c717d65bc5096110758828572a1a73a9f4fcb04a408d7651306884096", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dfda151c717d65bc5096110758828572a1a73a9f4fcb04a408d7651306884096", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dfda151c717d65bc5096110758828572a1a73a9f4fcb04a408d7651306884096", kill_on_drop: false }` [INFO] [stdout] dfda151c717d65bc5096110758828572a1a73a9f4fcb04a408d7651306884096 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cadb25319af7c273fea5784c20b5f38cdeafa450405c10e2e2931cfdcb3b4c5f [INFO] running `Command { std: "docker" "start" "-a" "cadb25319af7c273fea5784c20b5f38cdeafa450405c10e2e2931cfdcb3b4c5f", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling paste v1.0.15 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Compiling ahash v0.8.12 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking tracing-core v0.1.34 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking mio v1.0.4 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking socket2 v0.5.10 [INFO] [stderr] Checking signal-hook-registry v1.4.5 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking parking_lot v0.12.4 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking hashbrown v0.13.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking ark-std v0.4.0 [INFO] [stderr] Compiling ark-serialize-derive v0.4.2 [INFO] [stderr] Compiling ark-ff-macros v0.4.2 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling ark-ff-asm v0.4.2 [INFO] [stderr] Checking ark-serialize v0.4.2 [INFO] [stderr] Compiling zeroize_derive v1.4.2 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling async-recursion v1.1.1 [INFO] [stderr] Checking tokio v1.45.1 [INFO] [stderr] Checking zeroize v1.8.1 [INFO] [stderr] Checking ark-ff v0.4.2 [INFO] [stderr] Checking ark-poly v0.4.2 [INFO] [stderr] Checking ark-relations-zkhub v0.4.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `trace` is never read [INFO] [stdout] --> src/r1cs/constraint_system.rs:678:21 [INFO] [stdout] | [INFO] [stdout] 678 | trace = self.constraint_traces[i].as_ref().map_or_else( [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | unused, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] = note: `#[warn(unused_assignments)]` implied by `#[warn(unused)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking ark-ec v0.4.2 [INFO] [stderr] Checking ark-test-curves v0.4.2 [INFO] [stdout] warning: value assigned to `trace` is never read [INFO] [stdout] --> src/r1cs/constraint_system.rs:678:21 [INFO] [stdout] | [INFO] [stdout] 678 | trace = self.constraint_traces[i].as_ref().map_or_else( [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | unused, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] = note: `#[warn(unused_assignments)]` implied by `#[warn(unused)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.11s [INFO] running `Command { std: "docker" "inspect" "cadb25319af7c273fea5784c20b5f38cdeafa450405c10e2e2931cfdcb3b4c5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cadb25319af7c273fea5784c20b5f38cdeafa450405c10e2e2931cfdcb3b4c5f", kill_on_drop: false }` [INFO] [stdout] cadb25319af7c273fea5784c20b5f38cdeafa450405c10e2e2931cfdcb3b4c5f