Dec 18 08:52:53.556 INFO checking zksnark-0.0.2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 08:52:53.556 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:52:53.981 INFO [stdout] 2c3a77bf1dfddb2fbb7cb8a2c939945b94ceab35fd99dcd9637be0312823392e
Dec 18 08:52:53.983 INFO running `"docker" "start" "-a" "2c3a77bf1dfddb2fbb7cb8a2c939945b94ceab35fd99dcd9637be0312823392e"`
Dec 18 08:52:55.754 INFO [stderr]    Compiling libc v0.2.45
Dec 18 08:52:55.754 INFO [stderr]    Compiling version_check v0.1.5
Dec 18 08:52:55.754 INFO [stderr]     Checking cfg-if v0.1.6
Dec 18 08:52:55.754 INFO [stderr]    Compiling regex v1.1.0
Dec 18 08:52:55.757 INFO [stderr]     Checking lazy_static v1.2.0
Dec 18 08:52:55.758 INFO [stderr]     Checking ucd-util v0.1.3
Dec 18 08:52:55.758 INFO [stderr]    Compiling crunchy v0.1.6
Dec 18 08:52:55.759 INFO [stderr]     Checking rand_core v0.3.0
Dec 18 08:52:56.704 INFO [stderr]     Checking utf8-ranges v1.0.2
Dec 18 08:52:57.033 INFO [stderr]     Checking quick-error v1.2.2
Dec 18 08:52:57.122 INFO [stderr]     Checking termcolor v1.0.4
Dec 18 08:53:03.682 INFO [stderr]     Checking byteorder v1.2.7
Dec 18 08:53:03.683 INFO [stderr]     Checking either v1.5.0
Dec 18 08:53:03.784 INFO [stderr]     Checking rustc-serialize v0.3.24
Dec 18 08:53:03.784 INFO [stderr]     Checking byteorder v0.5.3
Dec 18 08:53:03.939 INFO [stderr]     Checking log v0.4.6
Dec 18 08:53:04.610 INFO [stderr]     Checking regex-syntax v0.6.4
Dec 18 08:53:05.864 INFO [stderr]     Checking thread_local v0.3.6
Dec 18 08:53:06.164 INFO [stderr]     Checking humantime v1.2.0
Dec 18 08:53:07.229 INFO [stderr]     Checking rand_core v0.2.2
Dec 18 08:53:07.538 INFO [stderr]     Checking itertools v0.6.5
Dec 18 08:53:08.901 INFO [stderr]     Checking bigint v4.4.1
Dec 18 08:53:11.585 INFO [stderr]    Compiling memchr v2.1.2
Dec 18 08:53:16.283 INFO [stderr]     Checking atty v0.2.11
Dec 18 08:53:16.283 INFO [stderr]     Checking rand v0.4.3
Dec 18 08:53:16.283 INFO [stderr]     Checking rand v0.5.5
Dec 18 08:53:20.489 INFO [stderr]     Checking aho-corasick v0.6.9
Dec 18 08:53:23.092 INFO [stderr]     Checking rand v0.3.22
Dec 18 08:53:27.498 INFO [stderr]     Checking bn v0.4.3
Dec 18 08:53:29.405 INFO [stderr]     Checking zksnark v0.0.2 (/opt/crater/workdir)
Dec 18 08:53:31.100 INFO [stderr] warning: function is never used: `chinese_remainder`
Dec 18 08:53:31.100 INFO [stderr]    --> src/field/mod.rs:274:1
Dec 18 08:53:31.100 INFO [stderr]     |
Dec 18 08:53:31.100 INFO [stderr] 274 | / fn chinese_remainder<T>(rems: &[T], moduli: &[T]) -> T
Dec 18 08:53:31.100 INFO [stderr] 275 | | where
Dec 18 08:53:31.100 INFO [stderr] 276 | |     T: Div<Output = T>
Dec 18 08:53:31.100 INFO [stderr] 277 | |         + Mul<Output = T>
Dec 18 08:53:31.100 INFO [stderr] ...   |
Dec 18 08:53:31.100 INFO [stderr] 295 | |         .fold(T::zero(), |acc, x| acc + x)
Dec 18 08:53:31.100 INFO [stderr] 296 | | }
Dec 18 08:53:31.100 INFO [stderr]     | |_^
Dec 18 08:53:31.101 INFO [stderr]     |
Dec 18 08:53:31.101 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 08:53:31.101 INFO [stderr] 
Dec 18 08:53:31.444 INFO [stderr]     Checking env_logger v0.5.13
Dec 18 08:53:32.244 INFO [stderr]     Checking quickcheck v0.7.2
Dec 18 08:53:34.640 INFO [stderr] warning: unnecessary parentheses around `return` value
Dec 18 08:53:34.640 INFO [stderr]    --> src/field/mod.rs:457:28
Dec 18 08:53:34.640 INFO [stderr]     |
Dec 18 08:53:34.640 INFO [stderr] 457 |                     return (degree == poly.degree());
Dec 18 08:53:34.640 INFO [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 08:53:34.640 INFO [stderr]     |
Dec 18 08:53:34.640 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 08:53:34.640 INFO [stderr] 
Dec 18 08:53:34.640 INFO [stderr] warning: unused imports: `BitAnd`, `BitOr`, `BitXor`
Dec 18 08:53:34.640 INFO [stderr]  --> src/groth16/circuit/builder/tests.rs:3:16
Dec 18 08:53:34.640 INFO [stderr]   |
Dec 18 08:53:34.640 INFO [stderr] 3 | use std::ops::{BitAnd, BitOr, BitXor};
Dec 18 08:53:34.640 INFO [stderr]   |                ^^^^^^  ^^^^^  ^^^^^^
Dec 18 08:53:34.640 INFO [stderr]   |
Dec 18 08:53:34.640 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:53:34.640 INFO [stderr] 
Dec 18 08:53:36.387 INFO [stderr]     Finished dev [optimized + debuginfo] target(s) in 40.72s
Dec 18 08:53:37.500 INFO running `"docker" "inspect" "2c3a77bf1dfddb2fbb7cb8a2c939945b94ceab35fd99dcd9637be0312823392e"`
Dec 18 08:53:37.734 INFO running `"docker" "rm" "-f" "2c3a77bf1dfddb2fbb7cb8a2c939945b94ceab35fd99dcd9637be0312823392e"`
Dec 18 08:53:38.141 INFO [stdout] 2c3a77bf1dfddb2fbb7cb8a2c939945b94ceab35fd99dcd9637be0312823392e