[INFO] crate zksnark 0.0.2 is already in cache
[INFO] testing zksnark-0.0.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate zksnark 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate zksnark 0.0.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zksnark 0.0.2
[INFO] finished tweaking crates.io crate zksnark 0.0.2
[INFO] tweaked toml for crates.io crate zksnark 0.0.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcc99e3aa1da043c284b90a3dfa7cc553388324f60a7444cbeb19dc4a148d39b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bcc99e3aa1da043c284b90a3dfa7cc553388324f60a7444cbeb19dc4a148d39b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcc99e3aa1da043c284b90a3dfa7cc553388324f60a7444cbeb19dc4a148d39b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcc99e3aa1da043c284b90a3dfa7cc553388324f60a7444cbeb19dc4a148d39b", kill_on_drop: false }`
[INFO] [stdout] bcc99e3aa1da043c284b90a3dfa7cc553388324f60a7444cbeb19dc4a148d39b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50595d6373c149dc8ef01a4bb5e86148265b436007015f5c83a3c154f24428cc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "50595d6373c149dc8ef01a4bb5e86148265b436007015f5c83a3c154f24428cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling bigint v4.4.3
[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/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `chinese_remainder`
[INFO] [stdout]    --> src/field/mod.rs:274:4
[INFO] [stdout]     |
[INFO] [stdout] 274 | fn chinese_remainder<T>(rems: &[T], moduli: &[T]) -> T
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 28.99s
[INFO] running `Command { std: "docker" "inspect" "50595d6373c149dc8ef01a4bb5e86148265b436007015f5c83a3c154f24428cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50595d6373c149dc8ef01a4bb5e86148265b436007015f5c83a3c154f24428cc", kill_on_drop: false }`
[INFO] [stdout] 50595d6373c149dc8ef01a4bb5e86148265b436007015f5c83a3c154f24428cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c96704093339a961ae360d3741414cf94e4ebeb89b162fc4faf7fe02a81e8a48
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c96704093339a961ae360d3741414cf94e4ebeb89b162fc4faf7fe02a81e8a48", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stdout] warning: function is never used: `chinese_remainder`
[INFO] [stdout]    --> src/field/mod.rs:274:4
[INFO] [stdout]     |
[INFO] [stdout] 274 | fn chinese_remainder<T>(rems: &[T], moduli: &[T]) -> T
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling humantime v1.3.0
[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 v0.7.13
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling quickcheck v0.7.2
[INFO] [stderr]    Compiling zksnark v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `return` value
[INFO] [stdout]    --> src/field/mod.rs:457:28
[INFO] [stdout]     |
[INFO] [stdout] 457 |                     return (degree == poly.degree());
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BitAnd`, `BitOr`, `BitXor`
[INFO] [stdout]  --> src/groth16/circuit/builder/tests.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{BitAnd, BitOr, BitXor};
[INFO] [stdout]   |                ^^^^^^  ^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "c96704093339a961ae360d3741414cf94e4ebeb89b162fc4faf7fe02a81e8a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c96704093339a961ae360d3741414cf94e4ebeb89b162fc4faf7fe02a81e8a48", kill_on_drop: false }`
[INFO] [stdout] c96704093339a961ae360d3741414cf94e4ebeb89b162fc4faf7fe02a81e8a48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] af612b5e6fce7092b29857d8fbb3618055444f7ea069cbc0428b68028337b3b8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "af612b5e6fce7092b29857d8fbb3618055444f7ea069cbc0428b68028337b3b8", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `chinese_remainder`
[INFO] [stderr]    --> src/field/mod.rs:274:4
[INFO] [stderr]     |
[INFO] [stderr] 274 | fn chinese_remainder<T>(rems: &[T], moduli: &[T]) -> T
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zksnark-2e2f7af46b1a31d3
[INFO] [stdout] 
[INFO] [stdout] running 55 tests
[INFO] [stdout] test groth16::circuit::ast::tests::split_at_char_test ... ok
[INFO] [stdout] test field::tests::powers_test ... ok
[INFO] [stdout] test field::z251::tests::z251_mul_inv ... ok
[INFO] [stdout] test field::z251::tests::z251_neg ... ok
[INFO] [stdout] test field::tests::polynomial_division_test ... ok
[INFO] [stdout] test groth16::circuit::ast::tests::parse_expression_test ... ok
[INFO] [stdout] test groth16::circuit::ast::tests::parse_token_test ... ok
[INFO] [stdout] test field::z251::tests::z251_add ... ok
[INFO] [stdout] test groth16::circuit::ast::tests::next_group_test ... ok
[INFO] [stdout] test groth16::circuit::builder::tests::and_test ... ok
[INFO] [stdout] test field::tests::dft_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 field::z251::tests::crt ... ok
[INFO] [stdout] test field::tests::degree_test ... ok
[INFO] [stdout] test groth16::circuit::builder::tests::not_test ... ok
[INFO] [stdout] test groth16::circuit::tests::evaluate_test ... ok
[INFO] [stdout] test groth16::circuit::builder::tests::or_test ... ok
[INFO] [stdout] test field::tests::prop_degree ... ok
[INFO] [stdout] test groth16::circuit::tests::try_parse_impl_test ... ok
[INFO] [stdout] test field::tests::idft_test ... ok
[INFO] [stdout] test groth16::circuit::builder::tests::bit_checker_test ... ok
[INFO] [stdout] test field::tests::prop_polynomial_evaluate ... ok
[INFO] [stdout] test groth16::coefficient_poly::tests::dummy_add ... ok
[INFO] [stdout] test groth16::coefficient_poly::tests::dummy_mul ... ok
[INFO] [stdout] test groth16::circuit::builder::tests::bitwise_op_test ... ok
[INFO] [stdout] test groth16::circuit::tests::weights_test ... ok
[INFO] [stdout] test groth16::coefficient_poly::tests::dummy_scalar_mul ... ok
[INFO] [stdout] test groth16::coefficient_poly::tests::dummy_sub ... ok
[INFO] [stdout] test groth16::circuit::builder::tests::xor_test ... 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_lagrange ... ok
[INFO] [stdout] test groth16::tests::quadratic_share_honest ... ok
[INFO] [stdout] test groth16::coefficient_poly::tests::dummy_div ... ok
[INFO] [stdout] test groth16::circuit::builder::tests::fan_in_and_test ... ok
[INFO] [stdout] test groth16::circuit::builder::tests::fan_in_xor_test ... ok
[INFO] [stdout] test field::tests::polynomial_divisionby0_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_from_roots ... ok
[INFO] [stdout] test tests::circuit_builder_test ... ok
[INFO] [stdout] test groth16::tests::single_mult_honest ... ok
[INFO] [stdout] test groth16::tests::qap_from_roots ... ok
[INFO] [stdout] test tests::simple_circuit_test ... ok
[INFO] [stdout] test groth16::tests::qap_from_ast ... ok
[INFO] [stdout] test groth16::tests::single_mult_random_proof ... ok
[INFO] [stdout] test groth16::tests::quadratic_share_random_proof ... ok
[INFO] [stdout] test groth16::tests::qap_from_file ... ok
[INFO] [stdout] test groth16::fr::tests::single_mult_honest_bn ... ok
[INFO] [stdout] test groth16::fr::tests::bn_encrypt_cubic_test ... 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/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/field/mod.rs - field::Polynomial::evaluate (line 192) ... ok
[INFO] [stdout] test src/field/mod.rs - field::Polynomial::coefficients (line 130) ... ok
[INFO] [stdout] test src/field/mod.rs - field::Polynomial::degree (line 153) ... ok
[INFO] [stdout] test src/field/mod.rs - field::Polynomial (line 107) ... ok
[INFO] [stdout] test src/field/mod.rs - field::powers (line 360) ... ok
[INFO] [stdout] test src/field/mod.rs - field (line 20) ... ok
[INFO] [stdout] test src/field/mod.rs - field::polynomial_division (line 302) ... 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 `Command { std: "docker" "inspect" "af612b5e6fce7092b29857d8fbb3618055444f7ea069cbc0428b68028337b3b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af612b5e6fce7092b29857d8fbb3618055444f7ea069cbc0428b68028337b3b8", kill_on_drop: false }`
[INFO] [stdout] af612b5e6fce7092b29857d8fbb3618055444f7ea069cbc0428b68028337b3b8