[INFO] fetching crate zksnarks 0.0.1...
[INFO] checking zksnarks-0.0.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate zksnarks 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate zksnarks 0.0.1
[INFO] finished tweaking crates.io crate zksnarks 0.0.1
[INFO] tweaked toml for crates.io crate zksnarks 0.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zksnarks 0.0.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 40 packages to latest compatible versions
[INFO] [stderr]       Adding parity-scale-codec v2.3.1 (available: v3.7.5)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3df21bdf3dee0345aaa440550687dfadffc8de0e35a7ef475c22d7a05365341a
[INFO] running `Command { std: "docker" "start" "-a" "3df21bdf3dee0345aaa440550687dfadffc8de0e35a7ef475c22d7a05365341a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3df21bdf3dee0345aaa440550687dfadffc8de0e35a7ef475c22d7a05365341a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df21bdf3dee0345aaa440550687dfadffc8de0e35a7ef475c22d7a05365341a", kill_on_drop: false }`
[INFO] [stdout] 3df21bdf3dee0345aaa440550687dfadffc8de0e35a7ef475c22d7a05365341a
[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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d9c75e1875fca266ed0c4530365c1ad1f6baffa74b81d43aa947d80c4aa3d8d
[INFO] running `Command { std: "docker" "start" "-a" "0d9c75e1875fca266ed0c4530365c1ad1f6baffa74b81d43aa947d80c4aa3d8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking byte-slice-cast v1.2.3
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking sp-std v3.0.0
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.3
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking merlin v3.0.0
[INFO] [stderr]     Checking parity-scale-codec v2.3.1
[INFO] [stderr]     Checking zkstd v0.0.22
[INFO] [stderr]     Checking bls-12-381 v0.0.23
[INFO] [stderr]     Checking jub-jub v0.0.20
[INFO] [stderr]     Checking ec-pairing v0.0.14
[INFO] [stderr]     Checking poly-commit v0.0.13
[INFO] [stderr]     Checking zksnarks v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]   --> src/error.rs:83:7
[INFO] [stdout]    |
[INFO] [stdout] 83 | #[cfg(feature = "std")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]    --> src/error.rs:167:7
[INFO] [stdout]     |
[INFO] [stdout] 167 | #[cfg(feature = "std")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]   --> src/error.rs:83:7
[INFO] [stdout]    |
[INFO] [stdout] 83 | #[cfg(feature = "std")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `std`
[INFO] [stdout]    --> src/error.rs:167:7
[INFO] [stdout]     |
[INFO] [stdout] 167 | #[cfg(feature = "std")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `witness_len` is never used
[INFO] [stdout]   --> src/groth16.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | impl<C: TwistedEdwardsAffine> Groth16<C> {
[INFO] [stdout]    | ---------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 83 |     fn witness_len(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `z_vectors` is never used
[INFO] [stdout]   --> src/groth16/constraint.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<F: PrimeField> R1csStruct<F> {
[INFO] [stdout]    | --------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub(crate) fn z_vectors(
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Groth16Key` is never constructed
[INFO] [stdout]   --> src/groth16/key.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Groth16Key<P: Pairing, A: TwistedEdwardsAffine<Range = P::ScalarField>, C: Circuit<A>> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `compile_with_circuit` is never used
[INFO] [stdout]   --> src/groth16/key.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | / impl<
[INFO] [stdout] 40 | |         P: Pairing,
[INFO] [stdout] 41 | |         A: TwistedEdwardsAffine<Range = P::ScalarField>,
[INFO] [stdout] 42 | |         C: Circuit<A, ConstraintSystem = Groth16<A>>,
[INFO] [stdout] 43 | |     > Groth16Key<P, A, C>
[INFO] [stdout]    | |_________________________- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |       pub fn compile_with_circuit(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eval` is never used
[INFO] [stdout]    --> src/groth16/key.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn eval<P: Pairing>(
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eval_at_tau` is never used
[INFO] [stdout]    --> src/groth16/key.rs:240:4
[INFO] [stdout]     |
[INFO] [stdout] 240 | fn eval_at_tau<F: PrimeField>(powers_of_tau: &[F], p: &[(F, usize)]) -> F {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `prepare` is never used
[INFO] [stdout]    --> src/groth16/key.rs:300:19
[INFO] [stdout]     |
[INFO] [stdout] 299 | impl<P: Pairing> VerifyingKey<P> {
[INFO] [stdout]     | -------------------------------- method in this implementation
[INFO] [stdout] 300 |     pub(crate) fn prepare(&self) -> PreparedVerifyingKey<P> {
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Evaluable` is never used
[INFO] [stdout]   --> src/groth16/matrix.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub trait Evaluable<F: PrimeField, R> {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Groth16Params` is never constructed
[INFO] [stdout]  --> src/groth16/params.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Groth16Params<P: Pairing> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_random_parameters` is never used
[INFO] [stdout]   --> src/groth16/params.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn generate_random_parameters<F: FftField, R>(mut rng: &mut R) -> (F, F, F, F, F)
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Prover` is never used
[INFO] [stdout]  --> src/prover.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Prover<C: TwistedEdwardsAffine> {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Evaluable` is never used
[INFO] [stdout]   --> src/groth16/matrix.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub trait Evaluable<F: PrimeField, R> {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Prover` is never used
[INFO] [stdout]  --> src/prover.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Prover<C: TwistedEdwardsAffine> {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.96s
[INFO] running `Command { std: "docker" "inspect" "0d9c75e1875fca266ed0c4530365c1ad1f6baffa74b81d43aa947d80c4aa3d8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d9c75e1875fca266ed0c4530365c1ad1f6baffa74b81d43aa947d80c4aa3d8d", kill_on_drop: false }`
[INFO] [stdout] 0d9c75e1875fca266ed0c4530365c1ad1f6baffa74b81d43aa947d80c4aa3d8d