[INFO] crate zksnark 0.0.2 is already in cache [INFO] extracting crate zksnark 0.0.2 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/zksnark/0.0.2 [INFO] extracting crate zksnark 0.0.2 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/zksnark/0.0.2 [INFO] validating manifest of zksnark-0.0.2 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of zksnark-0.0.2 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "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/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/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/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/zksnark/0.0.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking zksnark-0.0.2 against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-4/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 413600d25faf7cd2055b3b67e241c2f3db2ea2fe0628e82b9ad0368fec6400a2 [INFO] running `"docker" "start" "-a" "413600d25faf7cd2055b3b67e241c2f3db2ea2fe0628e82b9ad0368fec6400a2"` [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling crunchy v0.1.6 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking regex-syntax v0.6.11 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking byteorder v0.5.3 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking itertools v0.6.5 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking bigint v4.4.1 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stderr] Checking bn v0.4.3 [INFO] [stderr] Checking zksnark v0.0.2 (/opt/crater/workdir) [INFO] [stderr] Checking env_logger v0.5.13 [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(rems: &[T], moduli: &[T]) -> T [INFO] [stderr] 275 | | where [INFO] [stderr] 276 | | T: Div [INFO] [stderr] 277 | | + Mul [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] Checking quickcheck v0.7.2 [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 37.21s [INFO] running `"docker" "inspect" "413600d25faf7cd2055b3b67e241c2f3db2ea2fe0628e82b9ad0368fec6400a2"` [INFO] running `"docker" "rm" "-f" "413600d25faf7cd2055b3b67e241c2f3db2ea2fe0628e82b9ad0368fec6400a2"` [INFO] [stdout] 413600d25faf7cd2055b3b67e241c2f3db2ea2fe0628e82b9ad0368fec6400a2