[INFO] cloning repository https://github.com/vicsn/zksnark
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vicsn/zksnark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvicsn%2Fzksnark"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvicsn%2Fzksnark'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 66cac3a0143965aa61d2042a3cb78666d3f26be6
[INFO] testing vicsn/zksnark against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvicsn%2Fzksnark" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vicsn/zksnark on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/vicsn/zksnark
[INFO] finished tweaking git repo https://github.com/vicsn/zksnark
[INFO] tweaked toml for git repo https://github.com/vicsn/zksnark written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/vicsn/zksnark already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded peroxide v0.16.5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 857b6fa560057ad6dc38700edee3423e1ef7876df9dd0ea8927c543a066df83b
[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" "857b6fa560057ad6dc38700edee3423e1ef7876df9dd0ea8927c543a066df83b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling peroxide v0.16.5
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling special v0.8.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling libmath v0.2.1
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling learn_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use] extern crate itertools;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Gate`
[INFO] [stderr]   --> src/gates.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Gate {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_vectors`
[INFO] [stderr]   --> src/gates.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn set_vectors(&mut self, a: std::vec::Vec<u32>, b: std::vec::Vec<u32>, c: std::vec::Vec<u32>) { 
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `a`
[INFO] [stderr]   --> src/gates.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn a(&self) -> &std::vec::Vec<u32> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `b`
[INFO] [stderr]   --> src/gates.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn b(&self) -> &std::vec::Vec<u32> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `c`
[INFO] [stderr]   --> src/gates.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn c(&self) -> &std::vec::Vec<u32> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_a`
[INFO] [stderr]   --> src/gates.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn print_a(&self) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_b`
[INFO] [stderr]   --> src/gates.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn print_b(&self) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_c`
[INFO] [stderr]   --> src/gates.rs:53:12
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn print_c(&self) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FlattenedEquation`
[INFO] [stderr]   --> src/gates.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub struct FlattenedEquation {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_operand`
[INFO] [stderr]   --> src/gates.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn add_operand(&mut self, operand: (u32, u32)) { // TODO check if parameters are rust style
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_operator`
[INFO] [stderr]   --> src/gates.rs:74:12
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn add_operator(&mut self, operator: FlatteningOperator) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_gate`
[INFO] [stderr]   --> src/gates.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn add_gate(&mut self, a: std::vec::Vec<u32>, b: std::vec::Vec<u32>, c: std::vec::Vec<u32>) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `a`
[INFO] [stderr]   --> src/gates.rs:88:12
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn a(&self) -> std::vec::Vec<std::vec::Vec<u32>> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `b`
[INFO] [stderr]   --> src/gates.rs:96:12
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn b(&self) -> std::vec::Vec<std::vec::Vec<u32>> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `c`
[INFO] [stderr]    --> src/gates.rs:104:12
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn c(&self) -> std::vec::Vec<std::vec::Vec<u32>> {
[INFO] [stderr]     |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print`
[INFO] [stderr]    --> src/gates.rs:114:12
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn print(&self) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `witness`
[INFO] [stderr]    --> src/gates.rs:152:12
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn witness(&self, input: u32) -> std::vec::Vec<u32> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_a`
[INFO] [stderr]   --> src/qap.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn add_a(&mut self, a: std::vec::Vec<f64>) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_b`
[INFO] [stderr]   --> src/qap.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn add_b(&mut self, b: std::vec::Vec<f64>) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_c`
[INFO] [stderr]   --> src/qap.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn add_c(&mut self, c: std::vec::Vec<f64>) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `evaluate`
[INFO] [stderr]   --> src/qap.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn evaluate(&self) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_vectors`
[INFO] [stderr]   --> src/gates.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn set_vectors(&mut self, a: std::vec::Vec<u32>, b: std::vec::Vec<u32>, c: std::vec::Vec<u32>) { 
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `evaluate`
[INFO] [stderr]   --> src/qap.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn evaluate(&self) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_constraints`
[INFO] [stderr]    --> src/main.rs:225:4
[INFO] [stderr]     |
[INFO] [stderr] 225 | fn validate_constraints(a: std::vec::Vec<u32>, b: std::vec::Vec<u32>, c: std::vec::Vec<u32>, s: std::vec::Vec<u32>) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Z` should have a snake case name
[INFO] [stderr]    --> src/main.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |     let Z = peroxide::poly(peroxide::c!(24, -50, 35, -10, 1));
[INFO] [stderr]     |         ^ help: convert the identifier to snake case (notice the capitalization): `z`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.28s
[INFO] running `"docker" "inspect" "857b6fa560057ad6dc38700edee3423e1ef7876df9dd0ea8927c543a066df83b"`
[INFO] running `"docker" "rm" "-f" "857b6fa560057ad6dc38700edee3423e1ef7876df9dd0ea8927c543a066df83b"`
[INFO] [stdout] 857b6fa560057ad6dc38700edee3423e1ef7876df9dd0ea8927c543a066df83b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 12e1e129b3aee2eac134f5fceea6ac53bf8fd0ccdabb3fef760f8b33dec1098f
[INFO] running `"docker" "start" "-a" "12e1e129b3aee2eac134f5fceea6ac53bf8fd0ccdabb3fef760f8b33dec1098f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling learn_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use] extern crate itertools;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Gate`
[INFO] [stderr]   --> src/gates.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Gate {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_vectors`
[INFO] [stderr]   --> src/gates.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn set_vectors(&mut self, a: std::vec::Vec<u32>, b: std::vec::Vec<u32>, c: std::vec::Vec<u32>) { 
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `a`
[INFO] [stderr]   --> src/gates.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn a(&self) -> &std::vec::Vec<u32> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `b`
[INFO] [stderr]   --> src/gates.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn b(&self) -> &std::vec::Vec<u32> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `c`
[INFO] [stderr]   --> src/gates.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn c(&self) -> &std::vec::Vec<u32> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_a`
[INFO] [stderr]   --> src/gates.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn print_a(&self) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_b`
[INFO] [stderr]   --> src/gates.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn print_b(&self) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_c`
[INFO] [stderr]   --> src/gates.rs:53:12
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn print_c(&self) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FlattenedEquation`
[INFO] [stderr]   --> src/gates.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub struct FlattenedEquation {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_operand`
[INFO] [stderr]   --> src/gates.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn add_operand(&mut self, operand: (u32, u32)) { // TODO check if parameters are rust style
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_operator`
[INFO] [stderr]   --> src/gates.rs:74:12
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn add_operator(&mut self, operator: FlatteningOperator) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_gate`
[INFO] [stderr]   --> src/gates.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn add_gate(&mut self, a: std::vec::Vec<u32>, b: std::vec::Vec<u32>, c: std::vec::Vec<u32>) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `a`
[INFO] [stderr]   --> src/gates.rs:88:12
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn a(&self) -> std::vec::Vec<std::vec::Vec<u32>> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `b`
[INFO] [stderr]   --> src/gates.rs:96:12
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn b(&self) -> std::vec::Vec<std::vec::Vec<u32>> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `c`
[INFO] [stderr]    --> src/gates.rs:104:12
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn c(&self) -> std::vec::Vec<std::vec::Vec<u32>> {
[INFO] [stderr]     |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print`
[INFO] [stderr]    --> src/gates.rs:114:12
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn print(&self) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `witness`
[INFO] [stderr]    --> src/gates.rs:152:12
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn witness(&self, input: u32) -> std::vec::Vec<u32> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_a`
[INFO] [stderr]   --> src/qap.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn add_a(&mut self, a: std::vec::Vec<f64>) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_b`
[INFO] [stderr]   --> src/qap.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn add_b(&mut self, b: std::vec::Vec<f64>) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_c`
[INFO] [stderr]   --> src/qap.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn add_c(&mut self, c: std::vec::Vec<f64>) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `evaluate`
[INFO] [stderr]   --> src/qap.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn evaluate(&self) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use] extern crate itertools;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::gates::*`
[INFO] [stderr]  --> src/lib.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     use crate::gates::*;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::r1cs::*`
[INFO] [stderr]   --> src/lib.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     use crate::r1cs::*;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Gate`
[INFO] [stderr]   --> src/gates.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Gate {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_vectors`
[INFO] [stderr]   --> src/gates.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn set_vectors(&mut self, a: std::vec::Vec<u32>, b: std::vec::Vec<u32>, c: std::vec::Vec<u32>) { 
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `a`
[INFO] [stderr]   --> src/gates.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn a(&self) -> &std::vec::Vec<u32> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `b`
[INFO] [stderr]   --> src/gates.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn b(&self) -> &std::vec::Vec<u32> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `c`
[INFO] [stderr]   --> src/gates.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn c(&self) -> &std::vec::Vec<u32> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_a`
[INFO] [stderr]   --> src/gates.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn print_a(&self) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_b`
[INFO] [stderr]   --> src/gates.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn print_b(&self) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_c`
[INFO] [stderr]   --> src/gates.rs:53:12
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn print_c(&self) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FlattenedEquation`
[INFO] [stderr]   --> src/gates.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub struct FlattenedEquation {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_operand`
[INFO] [stderr]   --> src/gates.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn add_operand(&mut self, operand: (u32, u32)) { // TODO check if parameters are rust style
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_operator`
[INFO] [stderr]   --> src/gates.rs:74:12
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn add_operator(&mut self, operator: FlatteningOperator) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_gate`
[INFO] [stderr]   --> src/gates.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn add_gate(&mut self, a: std::vec::Vec<u32>, b: std::vec::Vec<u32>, c: std::vec::Vec<u32>) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `a`
[INFO] [stderr]   --> src/gates.rs:88:12
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn a(&self) -> std::vec::Vec<std::vec::Vec<u32>> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `b`
[INFO] [stderr]   --> src/gates.rs:96:12
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn b(&self) -> std::vec::Vec<std::vec::Vec<u32>> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `c`
[INFO] [stderr]    --> src/gates.rs:104:12
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn c(&self) -> std::vec::Vec<std::vec::Vec<u32>> {
[INFO] [stderr]     |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print`
[INFO] [stderr]    --> src/gates.rs:114:12
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn print(&self) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `witness`
[INFO] [stderr]    --> src/gates.rs:152:12
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn witness(&self, input: u32) -> std::vec::Vec<u32> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_a`
[INFO] [stderr]   --> src/qap.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn add_a(&mut self, a: std::vec::Vec<f64>) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_b`
[INFO] [stderr]   --> src/qap.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn add_b(&mut self, b: std::vec::Vec<f64>) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_c`
[INFO] [stderr]   --> src/qap.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn add_c(&mut self, c: std::vec::Vec<f64>) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `evaluate`
[INFO] [stderr]   --> src/qap.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn evaluate(&self) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_vectors`
[INFO] [stderr]   --> src/gates.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn set_vectors(&mut self, a: std::vec::Vec<u32>, b: std::vec::Vec<u32>, c: std::vec::Vec<u32>) { 
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `evaluate`
[INFO] [stderr]   --> src/qap.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn evaluate(&self) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_constraints`
[INFO] [stderr]    --> src/main.rs:225:4
[INFO] [stderr]     |
[INFO] [stderr] 225 | fn validate_constraints(a: std::vec::Vec<u32>, b: std::vec::Vec<u32>, c: std::vec::Vec<u32>, s: std::vec::Vec<u32>) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Z` should have a snake case name
[INFO] [stderr]    --> src/main.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |     let Z = peroxide::poly(peroxide::c!(24, -50, 35, -10, 1));
[INFO] [stderr]     |         ^ help: convert the identifier to snake case (notice the capitalization): `z`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `"docker" "inspect" "12e1e129b3aee2eac134f5fceea6ac53bf8fd0ccdabb3fef760f8b33dec1098f"`
[INFO] running `"docker" "rm" "-f" "12e1e129b3aee2eac134f5fceea6ac53bf8fd0ccdabb3fef760f8b33dec1098f"`
[INFO] [stdout] 12e1e129b3aee2eac134f5fceea6ac53bf8fd0ccdabb3fef760f8b33dec1098f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f2cdbc287457d18eec83a6a3d840235714a1c22657d30ded1fe7171e9f61cfd2
[INFO] running `"docker" "start" "-a" "f2cdbc287457d18eec83a6a3d840235714a1c22657d30ded1fe7171e9f61cfd2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use] extern crate itertools;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Gate`
[INFO] [stderr]   --> src/gates.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Gate {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_vectors`
[INFO] [stderr]   --> src/gates.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn set_vectors(&mut self, a: std::vec::Vec<u32>, b: std::vec::Vec<u32>, c: std::vec::Vec<u32>) { 
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `a`
[INFO] [stderr]   --> src/gates.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn a(&self) -> &std::vec::Vec<u32> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `b`
[INFO] [stderr]   --> src/gates.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn b(&self) -> &std::vec::Vec<u32> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `c`
[INFO] [stderr]   --> src/gates.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn c(&self) -> &std::vec::Vec<u32> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_a`
[INFO] [stderr]   --> src/gates.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn print_a(&self) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_b`
[INFO] [stderr]   --> src/gates.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn print_b(&self) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_c`
[INFO] [stderr]   --> src/gates.rs:53:12
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn print_c(&self) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use] extern crate itertools;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FlattenedEquation`
[INFO] [stderr]   --> src/gates.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub struct FlattenedEquation {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::gates::*`
[INFO] [stderr]  --> src/lib.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     use crate::gates::*;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_operand`
[INFO] [stderr]   --> src/gates.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn add_operand(&mut self, operand: (u32, u32)) { // TODO check if parameters are rust style
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::r1cs::*`
[INFO] [stderr]   --> src/lib.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     use crate::r1cs::*;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_operator`
[INFO] [stderr]   --> src/gates.rs:74:12
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn add_operator(&mut self, operator: FlatteningOperator) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Gate`
[INFO] [stderr]   --> src/gates.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Gate {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_gate`
[INFO] [stderr]   --> src/gates.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn add_gate(&mut self, a: std::vec::Vec<u32>, b: std::vec::Vec<u32>, c: std::vec::Vec<u32>) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_vectors`
[INFO] [stderr]   --> src/gates.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn set_vectors(&mut self, a: std::vec::Vec<u32>, b: std::vec::Vec<u32>, c: std::vec::Vec<u32>) { 
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `a`
[INFO] [stderr]   --> src/gates.rs:88:12
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn a(&self) -> std::vec::Vec<std::vec::Vec<u32>> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `a`
[INFO] [stderr]   --> src/gates.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn a(&self) -> &std::vec::Vec<u32> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `b`
[INFO] [stderr]   --> src/gates.rs:96:12
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn b(&self) -> std::vec::Vec<std::vec::Vec<u32>> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `c`
[INFO] [stderr]    --> src/gates.rs:104:12
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn c(&self) -> std::vec::Vec<std::vec::Vec<u32>> {
[INFO] [stderr]     |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `b`
[INFO] [stderr]   --> src/gates.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn b(&self) -> &std::vec::Vec<u32> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print`
[INFO] [stderr]    --> src/gates.rs:114:12
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn print(&self) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `c`
[INFO] [stderr]   --> src/gates.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn c(&self) -> &std::vec::Vec<u32> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_a`
[INFO] [stderr]   --> src/gates.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn print_a(&self) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `witness`
[INFO] [stderr]    --> src/gates.rs:152:12
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn witness(&self, input: u32) -> std::vec::Vec<u32> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_b`
[INFO] [stderr]   --> src/gates.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn print_b(&self) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_a`
[INFO] [stderr]   --> src/qap.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn add_a(&mut self, a: std::vec::Vec<f64>) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_c`
[INFO] [stderr]   --> src/gates.rs:53:12
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn print_c(&self) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_b`
[INFO] [stderr]   --> src/qap.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn add_b(&mut self, b: std::vec::Vec<f64>) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FlattenedEquation`
[INFO] [stderr]   --> src/gates.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub struct FlattenedEquation {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_c`
[INFO] [stderr]   --> src/qap.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn add_c(&mut self, c: std::vec::Vec<f64>) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_operand`
[INFO] [stderr]   --> src/gates.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn add_operand(&mut self, operand: (u32, u32)) { // TODO check if parameters are rust style
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `evaluate`
[INFO] [stderr]   --> src/qap.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn evaluate(&self) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_operator`
[INFO] [stderr]   --> src/gates.rs:74:12
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn add_operator(&mut self, operator: FlatteningOperator) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_gate`
[INFO] [stderr]   --> src/gates.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn add_gate(&mut self, a: std::vec::Vec<u32>, b: std::vec::Vec<u32>, c: std::vec::Vec<u32>) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `a`
[INFO] [stderr]   --> src/gates.rs:88:12
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn a(&self) -> std::vec::Vec<std::vec::Vec<u32>> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `b`
[INFO] [stderr]   --> src/gates.rs:96:12
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn b(&self) -> std::vec::Vec<std::vec::Vec<u32>> {
[INFO] [stderr]    |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `c`
[INFO] [stderr]    --> src/gates.rs:104:12
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn c(&self) -> std::vec::Vec<std::vec::Vec<u32>> {
[INFO] [stderr]     |            ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print`
[INFO] [stderr]    --> src/gates.rs:114:12
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn print(&self) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `witness`
[INFO] [stderr]    --> src/gates.rs:152:12
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn witness(&self, input: u32) -> std::vec::Vec<u32> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_a`
[INFO] [stderr]   --> src/qap.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn add_a(&mut self, a: std::vec::Vec<f64>) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_b`
[INFO] [stderr]   --> src/qap.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn add_b(&mut self, b: std::vec::Vec<f64>) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_c`
[INFO] [stderr]   --> src/qap.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn add_c(&mut self, c: std::vec::Vec<f64>) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `evaluate`
[INFO] [stderr]   --> src/qap.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn evaluate(&self) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_vectors`
[INFO] [stderr]   --> src/gates.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn set_vectors(&mut self, a: std::vec::Vec<u32>, b: std::vec::Vec<u32>, c: std::vec::Vec<u32>) { 
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `evaluate`
[INFO] [stderr]   --> src/qap.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn evaluate(&self) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_constraints`
[INFO] [stderr]    --> src/main.rs:225:4
[INFO] [stderr]     |
[INFO] [stderr] 225 | fn validate_constraints(a: std::vec::Vec<u32>, b: std::vec::Vec<u32>, c: std::vec::Vec<u32>, s: std::vec::Vec<u32>) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Z` should have a snake case name
[INFO] [stderr]    --> src/main.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |     let Z = peroxide::poly(peroxide::c!(24, -50, 35, -10, 1));
[INFO] [stderr]     |         ^ help: convert the identifier to snake case (notice the capitalization): `z`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/learn_rust-037628cf2b99c62f
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::polynomial_adds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/learn_rust-797b8dfc5215e43d
[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] [stderr]    Doc-tests learn_rust
[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" "f2cdbc287457d18eec83a6a3d840235714a1c22657d30ded1fe7171e9f61cfd2"`
[INFO] running `"docker" "rm" "-f" "f2cdbc287457d18eec83a6a3d840235714a1c22657d30ded1fe7171e9f61cfd2"`
[INFO] [stdout] f2cdbc287457d18eec83a6a3d840235714a1c22657d30ded1fe7171e9f61cfd2