Dec 18 08:52:55.150 INFO checking zksnark-0.0.2 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 08:52:55.150 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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=forbid" "-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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:52:55.557 INFO [stdout] 99cae07e44ad9f6ee897fad310b596f7d9139e125d60b5fb882e376d4f756975
Dec 18 08:52:55.559 INFO running `"docker" "start" "-a" "99cae07e44ad9f6ee897fad310b596f7d9139e125d60b5fb882e376d4f756975"`
Dec 18 08:52:57.961 INFO [stderr]    Compiling version_check v0.1.5
Dec 18 08:52:57.961 INFO [stderr]    Compiling libc v0.2.45
Dec 18 08:52:57.969 INFO [stderr]     Checking cfg-if v0.1.6
Dec 18 08:52:57.969 INFO [stderr]    Compiling regex v1.1.0
Dec 18 08:52:57.969 INFO [stderr]     Checking ucd-util v0.1.3
Dec 18 08:52:57.981 INFO [stderr]     Checking lazy_static v1.2.0
Dec 18 08:52:57.982 INFO [stderr]     Checking rand_core v0.3.0
Dec 18 08:52:57.983 INFO [stderr]     Checking utf8-ranges v1.0.2
Dec 18 08:52:58.978 INFO [stderr]    Compiling crunchy v0.1.6
Dec 18 08:52:59.523 INFO [stderr]     Checking quick-error v1.2.2
Dec 18 08:53:04.406 INFO [stderr]     Checking termcolor v1.0.4
Dec 18 08:53:04.696 INFO [stderr]     Checking byteorder v0.5.3
Dec 18 08:53:06.455 INFO [stderr]     Checking byteorder v1.2.7
Dec 18 08:53:06.468 INFO [stderr]     Checking either v1.5.0
Dec 18 08:53:06.485 INFO [stderr]     Checking log v0.4.6
Dec 18 08:53:07.092 INFO [stderr]     Checking thread_local v0.3.6
Dec 18 08:53:07.990 INFO [stderr]     Checking regex-syntax v0.6.4
Dec 18 08:53:08.414 INFO [stderr]     Checking humantime v1.2.0
Dec 18 08:53:09.014 INFO [stderr]     Checking rand_core v0.2.2
Dec 18 08:53:10.236 INFO [stderr]     Checking itertools v0.6.5
Dec 18 08:53:12.506 INFO [stderr]     Checking bigint v4.4.1
Dec 18 08:53:14.062 INFO [stderr]    Compiling memchr v2.1.2
Dec 18 08:53:17.465 INFO [stderr]     Checking rand v0.4.3
Dec 18 08:53:17.466 INFO [stderr]     Checking atty v0.2.11
Dec 18 08:53:17.470 INFO [stderr]     Checking rand v0.5.5
Dec 18 08:53:20.800 INFO [stderr]     Checking aho-corasick v0.6.9
Dec 18 08:53:22.272 INFO [stderr]     Checking rand v0.3.22
Dec 18 08:53:23.056 INFO [stderr]     Checking bn v0.4.3
Dec 18 08:53:25.376 INFO [stderr]     Checking zksnark v0.0.2 (/opt/crater/workdir)
Dec 18 08:53:27.571 INFO [stderr] warning: function is never used: `chinese_remainder`
Dec 18 08:53:27.571 INFO [stderr]    --> src/field/mod.rs:274:1
Dec 18 08:53:27.571 INFO [stderr]     |
Dec 18 08:53:27.571 INFO [stderr] 274 | / fn chinese_remainder<T>(rems: &[T], moduli: &[T]) -> T
Dec 18 08:53:27.571 INFO [stderr] 275 | | where
Dec 18 08:53:27.572 INFO [stderr] 276 | |     T: Div<Output = T>
Dec 18 08:53:27.572 INFO [stderr] 277 | |         + Mul<Output = T>
Dec 18 08:53:27.572 INFO [stderr] ...   |
Dec 18 08:53:27.572 INFO [stderr] 295 | |         .fold(T::zero(), |acc, x| acc + x)
Dec 18 08:53:27.572 INFO [stderr] 296 | | }
Dec 18 08:53:27.572 INFO [stderr]     | |_^
Dec 18 08:53:27.572 INFO [stderr]     |
Dec 18 08:53:27.572 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 08:53:27.572 INFO [stderr] 
Dec 18 08:53:29.387 INFO [stderr]     Checking env_logger v0.5.13
Dec 18 08:53:30.208 INFO [stderr]     Checking quickcheck v0.7.2
Dec 18 08:53:32.580 INFO [stderr] warning: unnecessary parentheses around `return` value
Dec 18 08:53:32.580 INFO [stderr]    --> src/field/mod.rs:457:28
Dec 18 08:53:32.581 INFO [stderr]     |
Dec 18 08:53:32.581 INFO [stderr] 457 |                     return (degree == poly.degree());
Dec 18 08:53:32.581 INFO [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 08:53:32.582 INFO [stderr]     |
Dec 18 08:53:32.582 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 08:53:32.582 INFO [stderr] 
Dec 18 08:53:32.586 INFO [stderr] warning: unused imports: `BitAnd`, `BitOr`, `BitXor`
Dec 18 08:53:32.586 INFO [stderr]  --> src/groth16/circuit/builder/tests.rs:3:16
Dec 18 08:53:32.586 INFO [stderr]   |
Dec 18 08:53:32.587 INFO [stderr] 3 | use std::ops::{BitAnd, BitOr, BitXor};
Dec 18 08:53:32.587 INFO [stderr]   |                ^^^^^^  ^^^^^  ^^^^^^
Dec 18 08:53:32.587 INFO [stderr]   |
Dec 18 08:53:32.588 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:53:32.588 INFO [stderr] 
Dec 18 08:53:34.341 INFO [stderr]     Finished dev [optimized + debuginfo] target(s) in 36.52s
Dec 18 08:53:35.142 INFO running `"docker" "inspect" "99cae07e44ad9f6ee897fad310b596f7d9139e125d60b5fb882e376d4f756975"`
Dec 18 08:53:35.526 INFO running `"docker" "rm" "-f" "99cae07e44ad9f6ee897fad310b596f7d9139e125d60b5fb882e376d4f756975"`
Dec 18 08:53:35.733 INFO [stdout] 99cae07e44ad9f6ee897fad310b596f7d9139e125d60b5fb882e376d4f756975