[INFO] fetching crate halo2_gadgets 0.3.1...
[INFO] testing halo2_gadgets-0.3.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate halo2_gadgets 0.3.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate halo2_gadgets 0.3.1
[INFO] finished tweaking crates.io crate halo2_gadgets 0.3.1
[INFO] tweaked toml for crates.io crate halo2_gadgets 0.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate halo2_gadgets 0.3.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "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 234 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
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[INFO] [stderr]       Adding pprof v0.8.0 (available: v0.15.0)
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[INFO] [stderr]       Adding tabbycat v0.1.2 (available: v0.1.3)
[INFO] [stderr]       Adding uint v0.9.5 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55ff850dfa9fb8b1bfc4e36a99edb92f6e111f5720fa59139465cae719fa0ae9
[INFO] running `Command { std: "docker" "start" "-a" "55ff850dfa9fb8b1bfc4e36a99edb92f6e111f5720fa59139465cae719fa0ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55ff850dfa9fb8b1bfc4e36a99edb92f6e111f5720fa59139465cae719fa0ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ff850dfa9fb8b1bfc4e36a99edb92f6e111f5720fa59139465cae719fa0ae9", kill_on_drop: false }`
[INFO] [stdout] 55ff850dfa9fb8b1bfc4e36a99edb92f6e111f5720fa59139465cae719fa0ae9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f31f6dd7c98cdf0fc5103fa3d0230b79ac00675ec00c3ad975dc3f8e00486488
[INFO] running `Command { std: "docker" "start" "-a" "f31f6dd7c98cdf0fc5103fa3d0230b79ac00675ec00c3ad975dc3f8e00486488", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
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[INFO] [stderr]    Compiling halo2_poseidon v0.1.0
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[INFO] [stderr]    Compiling halo2_proofs v0.3.1
[INFO] [stderr]    Compiling halo2_gadgets v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.37s
[INFO] running `Command { std: "docker" "inspect" "f31f6dd7c98cdf0fc5103fa3d0230b79ac00675ec00c3ad975dc3f8e00486488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f31f6dd7c98cdf0fc5103fa3d0230b79ac00675ec00c3ad975dc3f8e00486488", kill_on_drop: false }`
[INFO] [stdout] f31f6dd7c98cdf0fc5103fa3d0230b79ac00675ec00c3ad975dc3f8e00486488
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e8338406625be372ae27a66b2833d559504ca98df426c5ade9eeafac877ac47
[INFO] running `Command { std: "docker" "start" "-a" "8e8338406625be372ae27a66b2833d559504ca98df426c5ade9eeafac877ac47", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rand_xorshift v0.4.0
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[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling proptest v1.8.0
[INFO] [stderr]    Compiling regex v1.11.3
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[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling inferno v0.11.4
[INFO] [stderr]    Compiling halo2_gadgets v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: the method `next_u64` exists for struct `OsRng`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/utilities.rs:460:27
[INFO] [stdout]     |
[INFO] [stdout] 460 |             let int = rng.next_u64();
[INFO] [stdout]     |                           ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand_core-0.6.4/src/os.rs:48:1
[INFO] [stdout]     |
[INFO] [stdout]  48 | pub struct OsRng;
[INFO] [stdout]     | ---------------- doesn't satisfy `OsRng: DerefMut`, `OsRng: Deref` or `OsRng: proptest::prelude::RngCore`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `OsRng: DerefMut`
[INFO] [stdout]             which is required by `OsRng: proptest::prelude::RngCore`
[INFO] [stdout]             `OsRng: Deref`
[INFO] [stdout]             which is required by `OsRng: proptest::prelude::RngCore`
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `RngCore` which provides `next_u64` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 242 +     use rand::RngCore;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `halo2_gadgets` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8e8338406625be372ae27a66b2833d559504ca98df426c5ade9eeafac877ac47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e8338406625be372ae27a66b2833d559504ca98df426c5ade9eeafac877ac47", kill_on_drop: false }`
[INFO] [stdout] 8e8338406625be372ae27a66b2833d559504ca98df426c5ade9eeafac877ac47
