[INFO] updating cached repository https://github.com/BlockchainIdentityLab/zero-knowledge-rust-example [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] fbdd17e79a054e629587885cd840263b6737b424 [INFO] checking BlockchainIdentityLab/zero-knowledge-rust-example against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlockchainIdentityLab%2Fzero-knowledge-rust-example" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/BlockchainIdentityLab/zero-knowledge-rust-example on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/BlockchainIdentityLab/zero-knowledge-rust-example [INFO] finished tweaking git repo https://github.com/BlockchainIdentityLab/zero-knowledge-rust-example [INFO] tweaked toml for git repo https://github.com/BlockchainIdentityLab/zero-knowledge-rust-example written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/BlockchainIdentityLab/zero-knowledge-rust-example already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 771d0066ec1d59c89fe98906459eac0bd9b4843b6afcfab18cbf11a179b5385e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "771d0066ec1d59c89fe98906459eac0bd9b4843b6afcfab18cbf11a179b5385e"` [INFO] [stderr] Checking arrayref v0.3.5 [INFO] [stderr] Checking byte-tools v0.2.0 [INFO] [stderr] Checking generic-array v0.9.0 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking block-buffer v0.3.3 [INFO] [stderr] Checking digest v0.7.6 [INFO] [stderr] Checking sha3 v0.7.3 [INFO] [stderr] Checking zk-tutorial v0.1.0 (/opt/rustwide/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 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:49:13 [INFO] [stderr] | [INFO] [stderr] 49 | for mut i in 0..num_queries { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [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/merkle.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | for i in 0..next_pow_2 { [INFO] [stderr] | ^ help: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `hasher` [INFO] [stderr] --> src/merkle.rs:61:21 [INFO] [stderr] | [INFO] [stderr] 61 | let mut hasher = Sha3_256::new(); [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_abs_problem` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/prover.rs:49:13 [INFO] [stderr] | [INFO] [stderr] 49 | for mut i in 0..num_queries { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [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: 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `hasher` [INFO] [stderr] --> src/merkle.rs:61:21 [INFO] [stderr] | [INFO] [stderr] 61 | let mut hasher = Sha3_256::new(); [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_abs_problem` [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: 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: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 16 warnings emitted [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 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: if this is intentional, prefix it with an underscore: `_config` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` 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: if this is intentional, prefix it with an underscore: `_config` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.40s [INFO] running `"docker" "inspect" "771d0066ec1d59c89fe98906459eac0bd9b4843b6afcfab18cbf11a179b5385e"` [INFO] running `"docker" "rm" "-f" "771d0066ec1d59c89fe98906459eac0bd9b4843b6afcfab18cbf11a179b5385e"` [INFO] [stdout] 771d0066ec1d59c89fe98906459eac0bd9b4843b6afcfab18cbf11a179b5385e