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[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqpzm%2FUseless-ZKVM-hands-on" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
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[INFO] started tweaking git repo https://github.com/qpzm/Useless-ZKVM-hands-on
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[INFO] [stderr]     Checking p3-mersenne-31 v0.1.0 (https://github.com/Plonky3/Plonky3.git#e61ed4ae)
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[INFO] [stdout] warning: unused import: `Proof`
[INFO] [stdout]   --> src/p3.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 | use p3_uni_stark::{prove, verify, Proof, StarkConfig};
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/vm.rs:85:17
[INFO] [stdout]    |
[INFO] [stdout] 85 |     ) -> Result<(Mersenne31), String>
[INFO] [stdout]    |                 ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -     ) -> Result<(Mersenne31), String>
[INFO] [stdout] 85 +     ) -> Result<Mersenne31, String>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/vm.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |         Ok((extra_data))
[INFO] [stdout]     |            ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 105 -         Ok((extra_data))
[INFO] [stdout] 105 +         Ok(extra_data)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `p3_field::FieldAlgebra`
[INFO] [stdout]    --> src/vm.rs:194:9
[INFO] [stdout]     |
[INFO] [stdout] 194 |     use p3_field::FieldAlgebra;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `p3_mersenne_31::Mersenne31`
[INFO] [stdout]    --> src/vm.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     use p3_mersenne_31::Mersenne31;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Instructions` and `VM`
[INFO] [stdout]    --> src/vm.rs:196:21
[INFO] [stdout]     |
[INFO] [stdout] 196 |     use crate::vm::{Instructions, VM};
[INFO] [stdout]     |                     ^^^^^^^^^^^^  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FieldAlgebra`, `Field`, `PrimeField32`, and `extension::BinomialExtensionField`
[INFO] [stdout]  --> src/lib.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use p3_field::{extension::BinomialExtensionField, Field, FieldAlgebra, PrimeField32};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod test {
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `p3_mersenne_31::Mersenne31`
[INFO] [stdout]  --> src/lib.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use p3_mersenne_31::Mersenne31;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod test {
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Instructions`, `VM`, and `p3::VMAir`
[INFO] [stdout]   --> src/lib.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  9 |         p3::VMAir,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 10 |         vm::{Instructions, VM},
[INFO] [stdout]    |              ^^^^^^^^^^^^  ^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 | mod test {
[INFO] [stdout]    | ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Proof`
[INFO] [stdout]   --> src/p3.rs:14:35
[INFO] [stdout]    |
[INFO] [stdout] 14 | use p3_uni_stark::{prove, verify, Proof, StarkConfig};
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/vm.rs:85:17
[INFO] [stdout]    |
[INFO] [stdout] 85 |     ) -> Result<(Mersenne31), String>
[INFO] [stdout]    |                 ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -     ) -> Result<(Mersenne31), String>
[INFO] [stdout] 85 +     ) -> Result<Mersenne31, String>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/vm.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |         Ok((extra_data))
[INFO] [stdout]     |            ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 105 -         Ok((extra_data))
[INFO] [stdout] 105 +         Ok(extra_data)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Field`, `PrimeField32`, and `extension::BinomialExtensionField`
[INFO] [stdout]  --> src/lib.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use p3_field::{extension::BinomialExtensionField, Field, FieldAlgebra, PrimeField32};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VMAir` is never constructed
[INFO] [stdout]   --> src/p3.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct VMAir {}
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `generate_proof` is never used
[INFO] [stdout]   --> src/p3.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl VMAir {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 88 |     pub fn generate_proof(&self, vm: VM) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_trace` is never used
[INFO] [stdout]    --> src/p3.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub fn get_trace<F: Field>(vm :VM) -> RowMajorMatrix<F> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Instructions` is never used
[INFO] [stdout]  --> src/vm.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Instructions {
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VMState` is never constructed
[INFO] [stdout]   --> src/vm.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct VMState {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VM` is never constructed
[INFO] [stdout]   --> src/vm.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct VM {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `run`, `perform_operation`, and `get_trace` are never used
[INFO] [stdout]    --> src/vm.rs:31:12
[INFO] [stdout]     |
[INFO] [stdout]  30 | impl VM {
[INFO] [stdout]     | ------- associated items in this implementation
[INFO] [stdout]  31 |     pub fn new(instruction: Vec<Instructions>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  41 |     pub fn run(&mut self) -> Result<(), String> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  81 |     fn perform_operation<F, G>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub fn get_trace(&self) -> Vec<[Mersenne31; 11]> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/p3.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         verify(&config, self, &mut challenger, &proof, &vec![]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let _ = verify(&config, self, &mut challenger, &proof, &vec![]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sp` is never read
[INFO] [stdout]   --> src/vm.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct VM {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] 23 |     stack: [Mersenne31; 4],
[INFO] [stdout] 24 |     sp: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VM` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/p3.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         verify(&config, self, &mut challenger, &proof, &vec![]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let _ = verify(&config, self, &mut challenger, &proof, &vec![]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.75s
[INFO] running `Command { std: "docker" "inspect" "57dd4913824eadcf78af7ead778d501d60292a0bfb03b09b77fe0f8dc72638e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57dd4913824eadcf78af7ead778d501d60292a0bfb03b09b77fe0f8dc72638e4", kill_on_drop: false }`
[INFO] [stdout] 57dd4913824eadcf78af7ead778d501d60292a0bfb03b09b77fe0f8dc72638e4
