Nov 28 14:23:57.778 INFO checking BlockchainIdentityLab/zero-knowledge-rust-example against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 14:23:57.778 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 14:23:58.012 INFO [stdout] 5a3384da1554c477d4d82b6bd5ca2385951a378ab7b99c88dc3b0d6c5d292f69
Nov 28 14:23:58.014 INFO running `"docker" "start" "-a" "5a3384da1554c477d4d82b6bd5ca2385951a378ab7b99c88dc3b0d6c5d292f69"`
Nov 28 14:23:58.734 INFO [stderr] usermod: no changes
Nov 28 14:23:58.804 INFO [stderr]     Checking sha3 v0.7.3
Nov 28 14:23:59.229 INFO [stderr]     Checking zk-tutorial v0.1.0 (/source)
Nov 28 14:24:00.176 INFO [stderr] warning: unused imports: `Rng`, `thread_rng`
Nov 28 14:24:00.176 INFO [stderr]  --> src/lib.rs:2:12
Nov 28 14:24:00.176 INFO [stderr]   |
Nov 28 14:24:00.176 INFO [stderr] 2 | use rand::{thread_rng, Rng};
Nov 28 14:24:00.176 INFO [stderr]   |            ^^^^^^^^^^  ^^^
Nov 28 14:24:00.176 INFO [stderr]   |
Nov 28 14:24:00.176 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 14:24:00.177 INFO [stderr] 
Nov 28 14:24:00.177 INFO [stderr] warning: unused import: `std::error::Error`
Nov 28 14:24:00.177 INFO [stderr]  --> src/lib.rs:3:5
Nov 28 14:24:00.177 INFO [stderr]   |
Nov 28 14:24:00.177 INFO [stderr] 3 | use std::error::Error;
Nov 28 14:24:00.177 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Nov 28 14:24:00.177 INFO [stderr] 
Nov 28 14:24:00.177 INFO [stderr] warning: unused import: `std::cmp`
Nov 28 14:24:00.177 INFO [stderr]  --> src/lib.rs:4:5
Nov 28 14:24:00.177 INFO [stderr]   |
Nov 28 14:24:00.177 INFO [stderr] 4 | use std::cmp;
Nov 28 14:24:00.177 INFO [stderr]   |     ^^^^^^^^
Nov 28 14:24:00.177 INFO [stderr] 
Nov 28 14:24:00.177 INFO [stderr] warning: unused import: `std::cmp`
Nov 28 14:24:00.177 INFO [stderr]  --> src/prover.rs:5:5
Nov 28 14:24:00.177 INFO [stderr]   |
Nov 28 14:24:00.177 INFO [stderr] 5 | use std::cmp;
Nov 28 14:24:00.177 INFO [stderr]   |     ^^^^^^^^
Nov 28 14:24:00.177 INFO [stderr] 
Nov 28 14:24:00.177 INFO [stderr] warning: unused import: `Sha3_256`
Nov 28 14:24:00.177 INFO [stderr]  --> src/prover.rs:6:26
Nov 28 14:24:00.177 INFO [stderr]   |
Nov 28 14:24:00.177 INFO [stderr] 6 | use self::sha3::{Digest, Sha3_256};
Nov 28 14:24:00.177 INFO [stderr]   |                          ^^^^^^^^
Nov 28 14:24:00.177 INFO [stderr] 
Nov 28 14:24:00.177 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 28 14:24:00.177 INFO [stderr]   --> src/prover.rs:93:16
Nov 28 14:24:00.177 INFO [stderr]    |
Nov 28 14:24:00.177 INFO [stderr] 93 |             if (i != self.problem.partition_sizes.len() - 1) {
Nov 28 14:24:00.177 INFO [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 14:24:00.177 INFO [stderr]    |
Nov 28 14:24:00.177 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 28 14:24:00.177 INFO [stderr] 
Nov 28 14:24:00.177 INFO [stderr] warning: unused import: `thread_rng`
Nov 28 14:24:00.177 INFO [stderr]  --> src/verifier.rs:3:12
Nov 28 14:24:00.177 INFO [stderr]   |
Nov 28 14:24:00.177 INFO [stderr] 3 | use rand::{thread_rng, Rng, SeedableRng, StdRng};
Nov 28 14:24:00.177 INFO [stderr]   |            ^^^^^^^^^^
Nov 28 14:24:00.177 INFO [stderr] 
Nov 28 14:24:00.285 INFO [stderr] warning: unused import: `Digest`
Nov 28 14:24:00.285 INFO [stderr]  --> src/prover.rs:6:18
Nov 28 14:24:00.285 INFO [stderr]   |
Nov 28 14:24:00.285 INFO [stderr] 6 | use self::sha3::{Digest, Sha3_256};
Nov 28 14:24:00.285 INFO [stderr]   |                  ^^^^^^
Nov 28 14:24:00.285 INFO [stderr] 
Nov 28 14:24:00.291 INFO [stderr] warning: unused variable: `abs_val`
Nov 28 14:24:00.291 INFO [stderr]   --> src/verifier.rs:29:13
Nov 28 14:24:00.291 INFO [stderr]    |
Nov 28 14:24:00.291 INFO [stderr] 29 |         let abs_val = (proof.merkle_proof_1.value - proof.merkle_proof_2.value).abs();
Nov 28 14:24:00.291 INFO [stderr]    |             ^^^^^^^ help: consider using `_abs_val` instead
Nov 28 14:24:00.291 INFO [stderr]    |
Nov 28 14:24:00.291 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 14:24:00.291 INFO [stderr] 
Nov 28 14:24:00.291 INFO [stderr] warning: unused variable: `abs_problem`
Nov 28 14:24:00.291 INFO [stderr]   --> src/verifier.rs:30:13
Nov 28 14:24:00.291 INFO [stderr]    |
Nov 28 14:24:00.291 INFO [stderr] 30 |         let abs_problem = problem[query_idx].abs();
Nov 28 14:24:00.291 INFO [stderr]    |             ^^^^^^^^^^^ help: consider using `_abs_problem` instead
Nov 28 14:24:00.291 INFO [stderr] 
Nov 28 14:24:00.291 INFO [stderr] warning: unused variable: `i`
Nov 28 14:24:00.291 INFO [stderr]   --> src/prover.rs:49:17
Nov 28 14:24:00.291 INFO [stderr]    |
Nov 28 14:24:00.291 INFO [stderr] 49 |         for mut i in 0..num_queries {
Nov 28 14:24:00.291 INFO [stderr]    |                 ^ help: consider using `_i` instead
Nov 28 14:24:00.292 INFO [stderr] 
Nov 28 14:24:00.292 INFO [stderr] warning: unused variable: `i`
Nov 28 14:24:00.292 INFO [stderr]   --> src/merkle.rs:32:13
Nov 28 14:24:00.292 INFO [stderr]    |
Nov 28 14:24:00.292 INFO [stderr] 32 |         for i in 0..next_pow_2 {
Nov 28 14:24:00.292 INFO [stderr]    |             ^ help: consider using `_i` instead
Nov 28 14:24:00.292 INFO [stderr] 
Nov 28 14:24:00.292 INFO [stderr] warning: unused variable: `value`
Nov 28 14:24:00.292 INFO [stderr]   --> src/merkle.rs:58:17
Nov 28 14:24:00.292 INFO [stderr]    |
Nov 28 14:24:00.292 INFO [stderr] 58 |         for (i, value) in leaf_node_data.iter().enumerate().rev() {
Nov 28 14:24:00.292 INFO [stderr]    |                 ^^^^^ help: consider using `_value` instead
Nov 28 14:24:00.292 INFO [stderr] 
Nov 28 14:24:00.292 INFO [stderr] warning: unused variable: `hasher`
Nov 28 14:24:00.292 INFO [stderr]   --> src/merkle.rs:61:25
Nov 28 14:24:00.292 INFO [stderr]    |
Nov 28 14:24:00.292 INFO [stderr] 61 |                 let mut hasher = Sha3_256::new();                   
Nov 28 14:24:00.292 INFO [stderr]    |                         ^^^^^^ help: consider using `_hasher` instead
Nov 28 14:24:00.292 INFO [stderr] 
Nov 28 14:24:00.492 INFO [stderr] warning: unused imports: `Rng`, `thread_rng`
Nov 28 14:24:00.493 INFO [stderr]  --> src/lib.rs:2:12
Nov 28 14:24:00.493 INFO [stderr]   |
Nov 28 14:24:00.493 INFO [stderr] 2 | use rand::{thread_rng, Rng};
Nov 28 14:24:00.494 INFO [stderr]   |            ^^^^^^^^^^  ^^^
Nov 28 14:24:00.494 INFO [stderr]   |
Nov 28 14:24:00.494 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 14:24:00.494 INFO [stderr] 
Nov 28 14:24:00.494 INFO [stderr] warning: unused import: `std::error::Error`
Nov 28 14:24:00.495 INFO [stderr]  --> src/lib.rs:3:5
Nov 28 14:24:00.495 INFO [stderr]   |
Nov 28 14:24:00.495 INFO [stderr] 3 | use std::error::Error;
Nov 28 14:24:00.496 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Nov 28 14:24:00.496 INFO [stderr] 
Nov 28 14:24:00.496 INFO [stderr] warning: unused import: `std::cmp`
Nov 28 14:24:00.496 INFO [stderr]  --> src/lib.rs:4:5
Nov 28 14:24:00.497 INFO [stderr]   |
Nov 28 14:24:00.497 INFO [stderr] 4 | use std::cmp;
Nov 28 14:24:00.497 INFO [stderr]   |     ^^^^^^^^
Nov 28 14:24:00.497 INFO [stderr] 
Nov 28 14:24:00.498 INFO [stderr] warning: unused import: `std::cmp`
Nov 28 14:24:00.498 INFO [stderr]  --> src/prover.rs:5:5
Nov 28 14:24:00.498 INFO [stderr]   |
Nov 28 14:24:00.498 INFO [stderr] 5 | use std::cmp;
Nov 28 14:24:00.499 INFO [stderr]   |     ^^^^^^^^
Nov 28 14:24:00.499 INFO [stderr] 
Nov 28 14:24:00.499 INFO [stderr] warning: unused import: `Sha3_256`
Nov 28 14:24:00.499 INFO [stderr]  --> src/prover.rs:6:26
Nov 28 14:24:00.500 INFO [stderr]   |
Nov 28 14:24:00.500 INFO [stderr] 6 | use self::sha3::{Digest, Sha3_256};
Nov 28 14:24:00.500 INFO [stderr]   |                          ^^^^^^^^
Nov 28 14:24:00.500 INFO [stderr] 
Nov 28 14:24:00.501 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 28 14:24:00.501 INFO [stderr]   --> src/prover.rs:93:16
Nov 28 14:24:00.501 INFO [stderr]    |
Nov 28 14:24:00.501 INFO [stderr] 93 |             if (i != self.problem.partition_sizes.len() - 1) {
Nov 28 14:24:00.502 INFO [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 28 14:24:00.502 INFO [stderr]    |
Nov 28 14:24:00.502 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 28 14:24:00.502 INFO [stderr] 
Nov 28 14:24:00.503 INFO [stderr] warning: unused import: `thread_rng`
Nov 28 14:24:00.503 INFO [stderr]  --> src/verifier.rs:3:12
Nov 28 14:24:00.503 INFO [stderr]   |
Nov 28 14:24:00.503 INFO [stderr] 3 | use rand::{thread_rng, Rng, SeedableRng, StdRng};
Nov 28 14:24:00.504 INFO [stderr]   |            ^^^^^^^^^^
Nov 28 14:24:00.504 INFO [stderr] 
Nov 28 14:24:00.672 INFO [stderr] warning: unused import: `Digest`
Nov 28 14:24:00.673 INFO [stderr]  --> src/prover.rs:6:18
Nov 28 14:24:00.673 INFO [stderr]   |
Nov 28 14:24:00.673 INFO [stderr] 6 | use self::sha3::{Digest, Sha3_256};
Nov 28 14:24:00.674 INFO [stderr]   |                  ^^^^^^
Nov 28 14:24:00.674 INFO [stderr] 
Nov 28 14:24:00.700 INFO [stderr] warning: unused variable: `abs_val`
Nov 28 14:24:00.700 INFO [stderr]   --> src/verifier.rs:29:13
Nov 28 14:24:00.700 INFO [stderr]    |
Nov 28 14:24:00.700 INFO [stderr] 29 |         let abs_val = (proof.merkle_proof_1.value - proof.merkle_proof_2.value).abs();
Nov 28 14:24:00.700 INFO [stderr]    |             ^^^^^^^ help: consider using `_abs_val` instead
Nov 28 14:24:00.700 INFO [stderr]    |
Nov 28 14:24:00.700 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 14:24:00.700 INFO [stderr] 
Nov 28 14:24:00.700 INFO [stderr] warning: unused variable: `abs_problem`
Nov 28 14:24:00.700 INFO [stderr]   --> src/verifier.rs:30:13
Nov 28 14:24:00.700 INFO [stderr]    |
Nov 28 14:24:00.700 INFO [stderr] 30 |         let abs_problem = problem[query_idx].abs();
Nov 28 14:24:00.700 INFO [stderr]    |             ^^^^^^^^^^^ help: consider using `_abs_problem` instead
Nov 28 14:24:00.700 INFO [stderr] 
Nov 28 14:24:00.700 INFO [stderr] warning: unused variable: `i`
Nov 28 14:24:00.700 INFO [stderr]   --> src/prover.rs:49:17
Nov 28 14:24:00.700 INFO [stderr]    |
Nov 28 14:24:00.700 INFO [stderr] 49 |         for mut i in 0..num_queries {
Nov 28 14:24:00.700 INFO [stderr]    |                 ^ help: consider using `_i` instead
Nov 28 14:24:00.700 INFO [stderr] 
Nov 28 14:24:00.700 INFO [stderr] warning: unused variable: `i`
Nov 28 14:24:00.700 INFO [stderr]   --> src/merkle.rs:32:13
Nov 28 14:24:00.700 INFO [stderr]    |
Nov 28 14:24:00.700 INFO [stderr] 32 |         for i in 0..next_pow_2 {
Nov 28 14:24:00.700 INFO [stderr]    |             ^ help: consider using `_i` instead
Nov 28 14:24:00.700 INFO [stderr] 
Nov 28 14:24:00.700 INFO [stderr] warning: unused variable: `value`
Nov 28 14:24:00.700 INFO [stderr]   --> src/merkle.rs:58:17
Nov 28 14:24:00.700 INFO [stderr]    |
Nov 28 14:24:00.700 INFO [stderr] 58 |         for (i, value) in leaf_node_data.iter().enumerate().rev() {
Nov 28 14:24:00.700 INFO [stderr]    |                 ^^^^^ help: consider using `_value` instead
Nov 28 14:24:00.700 INFO [stderr] 
Nov 28 14:24:00.700 INFO [stderr] warning: unused variable: `hasher`
Nov 28 14:24:00.700 INFO [stderr]   --> src/merkle.rs:61:25
Nov 28 14:24:00.700 INFO [stderr]    |
Nov 28 14:24:00.700 INFO [stderr] 61 |                 let mut hasher = Sha3_256::new();                   
Nov 28 14:24:00.700 INFO [stderr]    |                         ^^^^^^ help: consider using `_hasher` instead
Nov 28 14:24:00.700 INFO [stderr] 
Nov 28 14:24:01.332 INFO [stderr] warning: unused imports: `merkle`, `prover`
Nov 28 14:24:01.332 INFO [stderr]  --> src/main.rs:4:19
Nov 28 14:24:01.332 INFO [stderr]   |
Nov 28 14:24:01.332 INFO [stderr] 4 | use zkpartition::{merkle, prover, problem};
Nov 28 14:24:01.332 INFO [stderr]   |                   ^^^^^^  ^^^^^^
Nov 28 14:24:01.332 INFO [stderr]   |
Nov 28 14:24:01.332 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 14:24:01.332 INFO [stderr] 
Nov 28 14:24:01.352 INFO [stderr] warning: unused variable: `config`
Nov 28 14:24:01.352 INFO [stderr]   --> src/main.rs:19:9
Nov 28 14:24:01.352 INFO [stderr]    |
Nov 28 14:24:01.352 INFO [stderr] 19 |     let config = problem::PartictionProblem::new(&problem, &assignment).unwrap_or_else(|err| {
Nov 28 14:24:01.352 INFO [stderr]    |         ^^^^^^ help: consider using `_config` instead
Nov 28 14:24:01.352 INFO [stderr]    |
Nov 28 14:24:01.352 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 14:24:01.352 INFO [stderr] 
Nov 28 14:24:01.455 INFO [stderr] warning: unused imports: `merkle`, `prover`
Nov 28 14:24:01.455 INFO [stderr]  --> src/main.rs:4:19
Nov 28 14:24:01.455 INFO [stderr]   |
Nov 28 14:24:01.455 INFO [stderr] 4 | use zkpartition::{merkle, prover, problem};
Nov 28 14:24:01.455 INFO [stderr]   |                   ^^^^^^  ^^^^^^
Nov 28 14:24:01.455 INFO [stderr]   |
Nov 28 14:24:01.455 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 14:24:01.455 INFO [stderr] 
Nov 28 14:24:01.484 INFO [stderr] warning: unused variable: `config`
Nov 28 14:24:01.484 INFO [stderr]   --> src/main.rs:19:9
Nov 28 14:24:01.484 INFO [stderr]    |
Nov 28 14:24:01.484 INFO [stderr] 19 |     let config = problem::PartictionProblem::new(&problem, &assignment).unwrap_or_else(|err| {
Nov 28 14:24:01.484 INFO [stderr]    |         ^^^^^^ help: consider using `_config` instead
Nov 28 14:24:01.484 INFO [stderr]    |
Nov 28 14:24:01.484 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 14:24:01.484 INFO [stderr] 
Nov 28 14:24:01.540 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.78s
Nov 28 14:24:01.544 INFO [stderr] su: No module specific data is present
Nov 28 14:24:02.016 INFO running `"docker" "inspect" "5a3384da1554c477d4d82b6bd5ca2385951a378ab7b99c88dc3b0d6c5d292f69"`
Nov 28 14:24:02.252 INFO running `"docker" "rm" "-f" "5a3384da1554c477d4d82b6bd5ca2385951a378ab7b99c88dc3b0d6c5d292f69"`
Nov 28 14:24:02.548 INFO [stdout] 5a3384da1554c477d4d82b6bd5ca2385951a378ab7b99c88dc3b0d6c5d292f69