[INFO] crate zksnark 0.0.2 is already in cache
[INFO] extracting crate zksnark 0.0.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/zksnark/0.0.2
[INFO] extracting crate zksnark 0.0.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/zksnark/0.0.2
[INFO] validating manifest of zksnark-0.0.2 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zksnark-0.0.2 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing zksnark-0.0.2
[INFO] finished frobbing zksnark-0.0.2
[INFO] frobbed toml for zksnark-0.0.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/zksnark/0.0.2/Cargo.toml
[INFO] started frobbing zksnark-0.0.2
[INFO] finished frobbing zksnark-0.0.2
[INFO] frobbed toml for zksnark-0.0.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/zksnark/0.0.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing zksnark-0.0.2 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/zksnark/0.0.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] aa66e186a92c15b8e566176ef913a91dbddb149ce3fe44b4bc302444b690e5ad
[INFO] running `"docker" "start" "-a" "aa66e186a92c15b8e566176ef913a91dbddb149ce3fe44b4bc302444b690e5ad"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling bigint v4.4.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling bn v0.4.3
[INFO] [stderr]    Compiling zksnark v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `chinese_remainder`
[INFO] [stderr]    --> src/field/mod.rs:274:1
[INFO] [stderr]     |
[INFO] [stderr] 274 | / fn chinese_remainder<T>(rems: &[T], moduli: &[T]) -> T
[INFO] [stderr] 275 | | where
[INFO] [stderr] 276 | |     T: Div<Output = T>
[INFO] [stderr] 277 | |         + Mul<Output = T>
[INFO] [stderr] ...   |
[INFO] [stderr] 295 | |         .fold(T::zero(), |acc, x| acc + x)
[INFO] [stderr] 296 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 17.12s
[INFO] running `"docker" "inspect" "aa66e186a92c15b8e566176ef913a91dbddb149ce3fe44b4bc302444b690e5ad"`
[INFO] running `"docker" "rm" "-f" "aa66e186a92c15b8e566176ef913a91dbddb149ce3fe44b4bc302444b690e5ad"`
[INFO] [stdout] aa66e186a92c15b8e566176ef913a91dbddb149ce3fe44b4bc302444b690e5ad
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/zksnark/0.0.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2a6f39654f77a915ba34502a594013386a25d77ba8e1937ee3e68738d05b1ca1
[INFO] running `"docker" "start" "-a" "2a6f39654f77a915ba34502a594013386a25d77ba8e1937ee3e68738d05b1ca1"`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling quickcheck v0.7.2
[INFO] [stderr]    Compiling zksnark v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `return` value
[INFO] [stderr]    --> src/field/mod.rs:457:28
[INFO] [stderr]     |
[INFO] [stderr] 457 |                     return (degree == poly.degree());
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BitAnd`, `BitOr`, `BitXor`
[INFO] [stderr]  --> src/groth16/circuit/builder/tests.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{BitAnd, BitOr, BitXor};
[INFO] [stderr]   |                ^^^^^^  ^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 1m 25s
[INFO] running `"docker" "inspect" "2a6f39654f77a915ba34502a594013386a25d77ba8e1937ee3e68738d05b1ca1"`
[INFO] running `"docker" "rm" "-f" "2a6f39654f77a915ba34502a594013386a25d77ba8e1937ee3e68738d05b1ca1"`
[INFO] [stdout] 2a6f39654f77a915ba34502a594013386a25d77ba8e1937ee3e68738d05b1ca1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/zksnark/0.0.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] e75fa5cecd0914675203c742a44866501b7231ffa12b7fe542c9b99068eee064
[INFO] running `"docker" "start" "-a" "e75fa5cecd0914675203c742a44866501b7231ffa12b7fe542c9b99068eee064"`
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zksnark-fb12890db2a9ed60
[INFO] [stdout] 
[INFO] [stdout] running 55 tests
[INFO] [stdout] test field::tests::prop_polynomial_evaluate ... ok
[INFO] [stdout] test field::z251::tests::crt ... ok
[INFO] [stdout] test field::tests::powers_test ... ok
[INFO] [stdout] test field::tests::prop_degree ... ok
[INFO] [stdout] test field::tests::idft_test ... ok
[INFO] [stdout] test field::tests::degree_test ... ok
[INFO] [stdout] test field::tests::dft_test ... ok
[INFO] [stdout] test field::tests::polynomial_division_test ... ok
[INFO] [stdout] test field::z251::tests::z251_add ... ok
[INFO] [stdout] test field::z251::tests::z251_neg ... ok
[INFO] [stdout] test groth16::circuit::ast::tests::next_group_test ... ok
[INFO] [stdout] test field::z251::tests::z251_mul_inv ... ok
[INFO] [stdout] test groth16::circuit::ast::tests::parse_token_test ... ok
[INFO] [stdout] test groth16::circuit::ast::tests::parse_expression_test ... ok
[INFO] [stdout] test groth16::circuit::ast::tests::split_at_char_test ... ok
[INFO] [stdout] test groth16::circuit::ast::tests::tokenlist_from_string ... ok
[INFO] [stdout] test groth16::circuit::ast::tests::variable_order_test ... ok
[INFO] [stdout] test groth16::circuit::builder::tests::and_test ... ok
[INFO] [stdout] test groth16::circuit::builder::tests::bit_checker_test ... ok
[INFO] [stdout] test groth16::circuit::builder::tests::not_test ... ok
[INFO] [stdout] test groth16::circuit::builder::tests::xor_test ... ok
[INFO] [stdout] test groth16::circuit::builder::tests::or_test ... ok
[INFO] [stdout] test groth16::circuit::tests::evaluate_test ... ok
[INFO] [stdout] test groth16::circuit::builder::tests::bitwise_op_test ... ok
[INFO] [stdout] test groth16::coefficient_poly::tests::dummy_add ... ok
[INFO] [stdout] test groth16::circuit::tests::try_parse_impl_test ... ok
[INFO] [stdout] test groth16::circuit::tests::weights_test ... ok
[INFO] [stdout] test groth16::coefficient_poly::tests::dummy_mul ... ok
[INFO] [stdout] test groth16::coefficient_poly::tests::dummy_neg ... ok
[INFO] [stdout] test groth16::coefficient_poly::tests::dummy_root_poly ... ok
[INFO] [stdout] test groth16::coefficient_poly::tests::dummy_scalar_mul ... ok
[INFO] [stdout] test groth16::coefficient_poly::tests::dummy_from_roots ... ok
[INFO] [stdout] test groth16::coefficient_poly::tests::dummy_sub ... ok
[INFO] [stdout] test groth16::circuit::builder::tests::fan_in_and_test ... ok
[INFO] [stdout] test groth16::coefficient_poly::tests::dummy_div ... ok
[INFO] [stdout] test field::tests::polynomial_divisionby0_test ... ok
[INFO] [stdout] test groth16::circuit::builder::tests::fan_in_xor_test ... ok
[INFO] [stdout] test groth16::coefficient_poly::tests::dummy_sum ... ok
[INFO] [stdout] test groth16::circuit::builder::tests::fan_in_or_test ... ok
[INFO] [stdout] test groth16::coefficient_poly::tests::dummy_lagrange ... ok
[INFO] [stdout] test groth16::tests::qap_from_roots ... ok
[INFO] [stdout] test groth16::tests::qap_from_file ... ok
[INFO] [stdout] test groth16::tests::quadratic_share_random_proof ... ok
[INFO] [stdout] test groth16::tests::quadratic_share_honest ... ok
[INFO] [stdout] test groth16::tests::qap_from_ast ... ok
[INFO] [stdout] test groth16::fr::tests::bn_encrypt_cubic_test ... ok
[INFO] [stdout] test tests::circuit_builder_test ... ok
[INFO] [stdout] test groth16::fr::tests::single_mult_honest_bn ... ok
[INFO] [stdout] test tests::simple_circuit_test ... ok
[INFO] [stdout] test groth16::tests::single_mult_honest ... ok
[INFO] [stdout] test groth16::tests::single_mult_random_proof ... ok
[INFO] [stdout] test groth16::fr::tests::bn_encrypt_quad_test ... ok
[INFO] [stdout] test groth16::fr::tests::exp_encrypted_test ... ok
[INFO] [stdout] test groth16::fr::tests::bn_encrypt_deg_15_test ... ok
[INFO] [stdout] test tests::comparator_8bit_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 55 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zksnark
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/field/mod.rs - field::Polynomial::coefficients (line 130) ... ok
[INFO] [stdout] test src/field/mod.rs - field::Polynomial (line 107) ... ok
[INFO] [stdout] test src/field/mod.rs - field::Polynomial::degree (line 153) ... ok
[INFO] [stdout] test src/field/mod.rs - field::powers (line 360) ... ok
[INFO] [stdout] test src/field/mod.rs - field::Polynomial::evaluate (line 192) ... ok
[INFO] [stdout] test src/field/mod.rs - field::polynomial_division (line 302) ... ok
[INFO] [stdout] test src/field/mod.rs - field (line 20) ... ok
[INFO] [stdout] test src/groth16/circuit/builder/mod.rs - groth16::circuit::builder::Circuit<T> (line 75) ... ok
[INFO] [stdout] test src/groth16/circuit/builder/mod.rs - groth16::circuit::builder::Circuit<T> (line 59) ... ok
[INFO] [stdout] test src/groth16/circuit/builder/mod.rs - groth16::circuit::builder::Circuit<T> (line 114) ... ok
[INFO] [stdout] test src/lib.rs -  (line 80) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e75fa5cecd0914675203c742a44866501b7231ffa12b7fe542c9b99068eee064"`
[INFO] running `"docker" "rm" "-f" "e75fa5cecd0914675203c742a44866501b7231ffa12b7fe542c9b99068eee064"`
[INFO] [stdout] e75fa5cecd0914675203c742a44866501b7231ffa12b7fe542c9b99068eee064