[INFO] updating cached repository BlockchainIdentityLab/zero-knowledge-rust-example [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/BlockchainIdentityLab/zero-knowledge-rust-example [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/BlockchainIdentityLab/zero-knowledge-rust-example" "work/ex/beta-1.38-1/sources/1.37.0/gh/BlockchainIdentityLab/zero-knowledge-rust-example"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/BlockchainIdentityLab/zero-knowledge-rust-example'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/BlockchainIdentityLab/zero-knowledge-rust-example" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BlockchainIdentityLab/zero-knowledge-rust-example"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BlockchainIdentityLab/zero-knowledge-rust-example'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] fbdd17e79a054e629587885cd840263b6737b424 [INFO] sha for GitHub repo BlockchainIdentityLab/zero-knowledge-rust-example: fbdd17e79a054e629587885cd840263b6737b424 [INFO] validating manifest of BlockchainIdentityLab/zero-knowledge-rust-example 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 BlockchainIdentityLab/zero-knowledge-rust-example 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 BlockchainIdentityLab/zero-knowledge-rust-example [INFO] finished frobbing BlockchainIdentityLab/zero-knowledge-rust-example [INFO] frobbed toml for BlockchainIdentityLab/zero-knowledge-rust-example written to work/ex/beta-1.38-1/sources/1.37.0/gh/BlockchainIdentityLab/zero-knowledge-rust-example/Cargo.toml [INFO] started frobbing BlockchainIdentityLab/zero-knowledge-rust-example [INFO] finished frobbing BlockchainIdentityLab/zero-knowledge-rust-example [INFO] frobbed toml for BlockchainIdentityLab/zero-knowledge-rust-example written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BlockchainIdentityLab/zero-knowledge-rust-example/Cargo.toml [INFO] crate BlockchainIdentityLab/zero-knowledge-rust-example already has a lockfile, it will not be regenerated [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 BlockchainIdentityLab/zero-knowledge-rust-example against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BlockchainIdentityLab/zero-knowledge-rust-example:/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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 6a9d45ce2e2fbe317f59eae25a2e84ef02a9fa68b3dbaa9c550760e8bb53b9d8 [INFO] running `"docker" "start" "-a" "6a9d45ce2e2fbe317f59eae25a2e84ef02a9fa68b3dbaa9c550760e8bb53b9d8"` [INFO] [stderr] Compiling keccak v0.1.0 [INFO] [stderr] Compiling sha3 v0.7.3 [INFO] [stderr] Compiling zk-tutorial v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `Rng`, `thread_rng` [INFO] [stderr] --> src/lib.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | use rand::{thread_rng, Rng}; [INFO] [stderr] | ^^^^^^^^^^ ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/lib.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/lib.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/prover.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Sha3_256` [INFO] [stderr] --> src/prover.rs:6:26 [INFO] [stderr] | [INFO] [stderr] 6 | use self::sha3::{Digest, Sha3_256}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/prover.rs:93:16 [INFO] [stderr] | [INFO] [stderr] 93 | if (i != self.problem.partition_sizes.len() - 1) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `thread_rng` [INFO] [stderr] --> src/verifier.rs:3:12 [INFO] [stderr] | [INFO] [stderr] 3 | use rand::{thread_rng, Rng, SeedableRng, StdRng}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Digest` [INFO] [stderr] --> src/prover.rs:6:18 [INFO] [stderr] | [INFO] [stderr] 6 | use self::sha3::{Digest, Sha3_256}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/prover.rs:49:17 [INFO] [stderr] | [INFO] [stderr] 49 | for mut i in 0..num_queries { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/merkle.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | for i in 0..next_pow_2 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/merkle.rs:58:17 [INFO] [stderr] | [INFO] [stderr] 58 | for (i, value) in leaf_node_data.iter().enumerate().rev() { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `hasher` [INFO] [stderr] --> src/merkle.rs:61:25 [INFO] [stderr] | [INFO] [stderr] 61 | let mut hasher = Sha3_256::new(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_hasher` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `abs_val` [INFO] [stderr] --> src/verifier.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | let abs_val = (proof.merkle_proof_1.value - proof.merkle_proof_2.value).abs(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_abs_val` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `abs_problem` [INFO] [stderr] --> src/verifier.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | let abs_problem = problem[query_idx].abs(); [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_abs_problem` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/prover.rs:49:13 [INFO] [stderr] | [INFO] [stderr] 49 | for mut i in 0..num_queries { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/merkle.rs:61:21 [INFO] [stderr] | [INFO] [stderr] 61 | let mut hasher = Sha3_256::new(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused imports: `merkle`, `prover` [INFO] [stderr] --> src/main.rs:4:19 [INFO] [stderr] | [INFO] [stderr] 4 | use zkpartition::{merkle, prover, problem}; [INFO] [stderr] | ^^^^^^ ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `config` [INFO] [stderr] --> src/main.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let config = problem::PartictionProblem::new(&problem, &assignment).unwrap_or_else(|err| { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_config` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.03s [INFO] running `"docker" "inspect" "6a9d45ce2e2fbe317f59eae25a2e84ef02a9fa68b3dbaa9c550760e8bb53b9d8"` [INFO] running `"docker" "rm" "-f" "6a9d45ce2e2fbe317f59eae25a2e84ef02a9fa68b3dbaa9c550760e8bb53b9d8"` [INFO] [stdout] 6a9d45ce2e2fbe317f59eae25a2e84ef02a9fa68b3dbaa9c550760e8bb53b9d8 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BlockchainIdentityLab/zero-knowledge-rust-example:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] b467600c7245855bb3d3736e1b0e110e0801f2200b58fa8e6ff3fb0af201736f [INFO] running `"docker" "start" "-a" "b467600c7245855bb3d3736e1b0e110e0801f2200b58fa8e6ff3fb0af201736f"` [INFO] [stderr] Compiling zk-tutorial v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `merkle`, `prover` [INFO] [stderr] --> src/main.rs:4:19 [INFO] [stderr] | [INFO] [stderr] 4 | use zkpartition::{merkle, prover, problem}; [INFO] [stderr] | ^^^^^^ ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `config` [INFO] [stderr] --> src/main.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let config = problem::PartictionProblem::new(&problem, &assignment).unwrap_or_else(|err| { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_config` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Rng`, `thread_rng` [INFO] [stderr] --> src/lib.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | use rand::{thread_rng, Rng}; [INFO] [stderr] | ^^^^^^^^^^ ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/lib.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/lib.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/prover.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Sha3_256` [INFO] [stderr] --> src/prover.rs:6:26 [INFO] [stderr] | [INFO] [stderr] 6 | use self::sha3::{Digest, Sha3_256}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/prover.rs:93:16 [INFO] [stderr] | [INFO] [stderr] 93 | if (i != self.problem.partition_sizes.len() - 1) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `thread_rng` [INFO] [stderr] --> src/verifier.rs:3:12 [INFO] [stderr] | [INFO] [stderr] 3 | use rand::{thread_rng, Rng, SeedableRng, StdRng}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Digest` [INFO] [stderr] --> src/prover.rs:6:18 [INFO] [stderr] | [INFO] [stderr] 6 | use self::sha3::{Digest, Sha3_256}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/prover.rs:49:17 [INFO] [stderr] | [INFO] [stderr] 49 | for mut i in 0..num_queries { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/merkle.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | for i in 0..next_pow_2 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/merkle.rs:58:17 [INFO] [stderr] | [INFO] [stderr] 58 | for (i, value) in leaf_node_data.iter().enumerate().rev() { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `hasher` [INFO] [stderr] --> src/merkle.rs:61:25 [INFO] [stderr] | [INFO] [stderr] 61 | let mut hasher = Sha3_256::new(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_hasher` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `abs_val` [INFO] [stderr] --> src/verifier.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | let abs_val = (proof.merkle_proof_1.value - proof.merkle_proof_2.value).abs(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_abs_val` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `abs_problem` [INFO] [stderr] --> src/verifier.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | let abs_problem = problem[query_idx].abs(); [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_abs_problem` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/prover.rs:49:13 [INFO] [stderr] | [INFO] [stderr] 49 | for mut i in 0..num_queries { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/merkle.rs:61:21 [INFO] [stderr] | [INFO] [stderr] 61 | let mut hasher = Sha3_256::new(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.36s [INFO] running `"docker" "inspect" "b467600c7245855bb3d3736e1b0e110e0801f2200b58fa8e6ff3fb0af201736f"` [INFO] running `"docker" "rm" "-f" "b467600c7245855bb3d3736e1b0e110e0801f2200b58fa8e6ff3fb0af201736f"` [INFO] [stdout] b467600c7245855bb3d3736e1b0e110e0801f2200b58fa8e6ff3fb0af201736f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BlockchainIdentityLab/zero-knowledge-rust-example:/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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] c60b896f486bf6750a20378416a8125475cb9d18fd22a769a6b500c5f130295a [INFO] running `"docker" "start" "-a" "c60b896f486bf6750a20378416a8125475cb9d18fd22a769a6b500c5f130295a"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/zkpartition-4233775a12e575f6 [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test tests::test_get_val_and_path ... ok [INFO] [stdout] test tests::verify_merkle_path ... ok [INFO] [stdout] test tests::test_merkle_from_vec ... ok [INFO] [stdout] test tests::verify_false_proof ... ok [INFO] [stdout] test tests::verify_true_proof ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/zk_tutorial-dc1096553ea9aa67 [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests zkpartition [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "c60b896f486bf6750a20378416a8125475cb9d18fd22a769a6b500c5f130295a"` [INFO] running `"docker" "rm" "-f" "c60b896f486bf6750a20378416a8125475cb9d18fd22a769a6b500c5f130295a"` [INFO] [stdout] c60b896f486bf6750a20378416a8125475cb9d18fd22a769a6b500c5f130295a