[INFO] cloning repository https://github.com/benjvmin93/dm-simu-rs
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[INFO] [stdout] f57f09a2384e7b425e7144255203d238b4e362e0
[INFO] testing benjvmin93/dm-simu-rs against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjvmin93%2Fdm-simu-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
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[INFO] validating manifest of git repo https://github.com/benjvmin93/dm-simu-rs on toolchain 1.83.0
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[INFO] finished tweaking git repo https://github.com/benjvmin93/dm-simu-rs
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[INFO] [stderr]    Compiling dm-simu-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `OneQubitOp`
[INFO] [stdout]  --> src/density_matrix.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::operators::{OneQubitOp, Operator, TwoQubitsOp};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:41:43
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn get_op_ref<'py>(op: PyVec<'py>) -> &Operator {
[INFO] [stdout]    |                   ---                     ^ this elided lifetime gets resolved as `'py`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   lifetime `'py` declared here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:45:43
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn get_dm_ref<'py>(dm: PyVec<'py>) -> &DensityMatrix {
[INFO] [stdout]    |                   ---                     ^ this elided lifetime gets resolved as `'py`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   lifetime `'py` declared here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:49:47
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn get_dm_mut_ref<'py>(dm: PyVec<'py>) -> &mut DensityMatrix {
[INFO] [stdout]    |                       ---                     ^ this elided lifetime gets resolved as `'py`
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       lifetime `'py` declared here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tensor.rs:327:13
[INFO] [stdout]     |
[INFO] [stdout] 327 |         let mut temp_dest = dest.clone();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `re_diff`
[INFO] [stdout]   --> src/tools.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let re_diff = (a.re - b.re).abs();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_re_diff`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `im_diff`
[INFO] [stdout]   --> src/tools.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let im_diff = (a.im - b.im).abs();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_im_diff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `py`
[INFO] [stdout]    --> src/lib.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         py: pyo3::prelude::Python<'py>,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_py`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `py`
[INFO] [stdout]    --> src/lib.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         py: pyo3::prelude::Python<'py>,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_py`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     m.add("Zero", State::ZERO);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let _ = m.add("Zero", State::ZERO);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     m.add("Plus", State::PLUS);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let _ = m.add("Plus", State::PLUS);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     m.add("One", State::ONE);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let _ = m.add("One", State::ONE);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     m.add("Minus", State::MINUS);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let _ = m.add("Minus", State::MINUS);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/density_matrix.rs:408:9
[INFO] [stdout]     |
[INFO] [stdout] 408 |         self.evolve(&Operator::two_qubits(TwoQubitsOp::CZ), &[edge.0, edge.1]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 408 |         let _ = self.evolve(&Operator::two_qubits(TwoQubitsOp::CZ), &[edge.0, edge.1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/density_matrix.rs:412:9
[INFO] [stdout]     |
[INFO] [stdout] 412 |         self.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[edge.0, edge.1]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 412 |         let _ = self.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[edge.0, edge.1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/density_matrix.rs:416:9
[INFO] [stdout]     |
[INFO] [stdout] 416 |         self.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[edge.0, edge.1]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 416 |         let _ = self.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[edge.0, edge.1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OneQubitOp`
[INFO] [stdout]  --> src/density_matrix.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::operators::{OneQubitOp, Operator, TwoQubitsOp};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tensor.rs:327:13
[INFO] [stdout]     |
[INFO] [stdout] 327 |         let mut temp_dest = dest.clone();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `re_diff`
[INFO] [stdout]   --> src/tools.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let re_diff = (a.re - b.re).abs();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_re_diff`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `im_diff`
[INFO] [stdout]   --> src/tools.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let im_diff = (a.im - b.im).abs();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_im_diff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/density_matrix.rs:34:12
[INFO] [stdout]     |
[INFO] [stdout] 32  | impl DensityMatrix {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 33  |     // By default initialize in |0>.
[INFO] [stdout] 34  |     pub fn new(nqubits: usize, initial_state: State) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn from_statevec(statevec: &[Complex<f64>]) -> Result<Self, &'static str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn from_tensor(tensor: Tensor<Complex<f64>>) -> Result<Self, &'static str> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn get(&self, i: u8, j: u8) -> Complex<f64> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 |     pub fn set(&mut self, i: u8, j: u8, value: Complex<f64>) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 176 |     pub fn expectation_single(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 203 |     pub fn trace(&self) -> Complex<f64> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 212 |     pub fn normalize(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 |     pub fn evolve_single(&mut self, op: &Operator, index: usize) -> Result<(), String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 |     pub fn evolve(&mut self, op: &Operator, indices: &[usize]) -> Result<(), String> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 306 |     pub fn equals(&self, other: DensityMatrix, tol: f64) -> bool {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 322 |     pub fn tensor(&mut self, other: &DensityMatrix) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 |     pub fn ptrace(&mut self, qargs: &[usize]) -> Result<(), &str> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 407 |     pub fn entangle(&mut self, edge: &(usize, usize)) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 411 |     pub fn swap(&mut self, edge: &(usize, usize)) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 415 |     pub fn cnot(&mut self, edge: &(usize, usize)) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OneQubitOp` is never used
[INFO] [stdout]  --> src/operators.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum OneQubitOp {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TwoQubitsOp` is never used
[INFO] [stdout]   --> src/operators.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum TwoQubitsOp {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nqubits` is never read
[INFO] [stdout]   --> src/operators.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Operator {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 24 |     pub nqubits: usize,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operator` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `one_qubit`, `two_qubits`, `conj`, `transpose`, and `transconj` are never used
[INFO] [stdout]    --> src/operators.rs:35:12
[INFO] [stdout]     |
[INFO] [stdout] 34  | impl Operator {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] 35  |     pub fn new(data: &[Complex<f64>]) -> Result<Self, String> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 55  |     pub fn one_qubit(gate: OneQubitOp) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91  |     pub fn two_qubits(gate: TwoQubitsOp) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 |     pub fn conj(&self) -> Operator {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub fn transpose(&self) -> Operator {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 146 |     pub fn transconj(&self) -> Operator {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/tensor.rs:17:12
[INFO] [stdout]     |
[INFO] [stdout] 12  | / impl<T> Tensor<T>
[INFO] [stdout] 13  | | where
[INFO] [stdout] 14  | |     T: Zero + Clone + Mul<Output = T> + Add<Output = T> +  Sub<Output = T> + AddAssign + AbsDiff,
[INFO] [stdout]     | |_________________________________________________________________________________________________- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17  |       pub fn new(shape: &[usize]) -> Self {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26  |       pub fn from_vec(vec: &[T], shape: Vec<usize>) -> Self {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84  |       pub fn set(&mut self, indices: &[u8], value: T) {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 90  |       pub fn add(&self, other: &Tensor<T>) -> Self {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |       pub fn multiply(&self, other: &Tensor<T>) -> Self {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |       pub fn product(&self, other: &Tensor<T>) -> Tensor<T>
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |       pub fn tensordot(
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 |       fn unravel_index(index: usize, shape: &[usize]) -> Vec<usize> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 233 |       fn ravel_index(indices: &[usize], shape: &[usize]) -> usize {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 |       pub fn transpose(&self, axes: &[usize]) -> Result<Tensor<T>, &str> {
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 299 |       pub fn moveaxis(&self, source: &[i32], dest: &[i32]) -> Result<Tensor<T>, &str> {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 340 |       pub fn equals(&self, other: &Tensor<T>, tol: f64) -> bool {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `abs_diff` is never used
[INFO] [stdout]    --> src/tensor.rs:355:8
[INFO] [stdout]     |
[INFO] [stdout] 354 | pub trait AbsDiff {
[INFO] [stdout]     |           ------- associated function in this trait
[INFO] [stdout] 355 |     fn abs_diff(a: &Self, b: &Self) -> f64;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bitwise_bin_vec_to_int` is never used
[INFO] [stdout]   --> src/tools.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn bitwise_bin_vec_to_int(bin_vec: &[u8]) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `complex_approx_eq` is never used
[INFO] [stdout]   --> src/tools.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn complex_approx_eq(a: Complex<f64>, b: Complex<f64>, tol: f64) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `are_elements_unique` is never used
[INFO] [stdout]   --> src/tools.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn are_elements_unique<T: Eq + std::hash::Hash>(slice: &[T]) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/density_matrix.rs:408:9
[INFO] [stdout]     |
[INFO] [stdout] 408 |         self.evolve(&Operator::two_qubits(TwoQubitsOp::CZ), &[edge.0, edge.1]);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 408 |         let _ = self.evolve(&Operator::two_qubits(TwoQubitsOp::CZ), &[edge.0, edge.1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/density_matrix.rs:412:9
[INFO] [stdout]     |
[INFO] [stdout] 412 |         self.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[edge.0, edge.1]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 412 |         let _ = self.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[edge.0, edge.1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/density_matrix.rs:416:9
[INFO] [stdout]     |
[INFO] [stdout] 416 |         self.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[edge.0, edge.1]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 416 |         let _ = self.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[edge.0, edge.1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.09s
[INFO] running `Command { std: "docker" "inspect" "357f7b81f220c8fcac80225512d677a1eb5601b1defb9ddbc98e864279a456ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "357f7b81f220c8fcac80225512d677a1eb5601b1defb9ddbc98e864279a456ca", kill_on_drop: false }`
[INFO] [stdout] 357f7b81f220c8fcac80225512d677a1eb5601b1defb9ddbc98e864279a456ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b5cf9f77046fdd7b3fc64981bdf43fa8e6a62b9d5cd1d86a34b814689756fb7
[INFO] running `Command { std: "docker" "start" "-a" "3b5cf9f77046fdd7b3fc64981bdf43fa8e6a62b9d5cd1d86a34b814689756fb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling dm-simu-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `OneQubitOp`
[INFO] [stdout]  --> src/density_matrix.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::operators::{OneQubitOp, Operator, TwoQubitsOp};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:41:43
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn get_op_ref<'py>(op: PyVec<'py>) -> &Operator {
[INFO] [stdout]    |                   ---                     ^ this elided lifetime gets resolved as `'py`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   lifetime `'py` declared here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:45:43
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn get_dm_ref<'py>(dm: PyVec<'py>) -> &DensityMatrix {
[INFO] [stdout]    |                   ---                     ^ this elided lifetime gets resolved as `'py`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   lifetime `'py` declared here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:49:47
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn get_dm_mut_ref<'py>(dm: PyVec<'py>) -> &mut DensityMatrix {
[INFO] [stdout]    |                       ---                     ^ this elided lifetime gets resolved as `'py`
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       lifetime `'py` declared here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tensor.rs:327:13
[INFO] [stdout]     |
[INFO] [stdout] 327 |         let mut temp_dest = dest.clone();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `re_diff`
[INFO] [stdout]   --> src/tools.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let re_diff = (a.re - b.re).abs();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_re_diff`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `im_diff`
[INFO] [stdout]   --> src/tools.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let im_diff = (a.im - b.im).abs();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_im_diff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `py`
[INFO] [stdout]    --> src/lib.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         py: pyo3::prelude::Python<'py>,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_py`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `py`
[INFO] [stdout]    --> src/lib.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         py: pyo3::prelude::Python<'py>,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_py`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     m.add("Zero", State::ZERO);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let _ = m.add("Zero", State::ZERO);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     m.add("Plus", State::PLUS);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let _ = m.add("Plus", State::PLUS);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     m.add("One", State::ONE);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let _ = m.add("One", State::ONE);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     m.add("Minus", State::MINUS);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let _ = m.add("Minus", State::MINUS);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/density_matrix.rs:408:9
[INFO] [stdout]     |
[INFO] [stdout] 408 |         self.evolve(&Operator::two_qubits(TwoQubitsOp::CZ), &[edge.0, edge.1]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 408 |         let _ = self.evolve(&Operator::two_qubits(TwoQubitsOp::CZ), &[edge.0, edge.1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/density_matrix.rs:412:9
[INFO] [stdout]     |
[INFO] [stdout] 412 |         self.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[edge.0, edge.1]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 412 |         let _ = self.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[edge.0, edge.1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/density_matrix.rs:416:9
[INFO] [stdout]     |
[INFO] [stdout] 416 |         self.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[edge.0, edge.1]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 416 |         let _ = self.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[edge.0, edge.1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OneQubitOp`
[INFO] [stdout]  --> src/density_matrix.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::operators::{OneQubitOp, Operator, TwoQubitsOp};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tensor.rs:327:13
[INFO] [stdout]     |
[INFO] [stdout] 327 |         let mut temp_dest = dest.clone();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `re_diff`
[INFO] [stdout]   --> src/tools.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let re_diff = (a.re - b.re).abs();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_re_diff`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `im_diff`
[INFO] [stdout]   --> src/tools.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let im_diff = (a.im - b.im).abs();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_im_diff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/density_matrix.rs:34:12
[INFO] [stdout]     |
[INFO] [stdout] 32  | impl DensityMatrix {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 33  |     // By default initialize in |0>.
[INFO] [stdout] 34  |     pub fn new(nqubits: usize, initial_state: State) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn from_statevec(statevec: &[Complex<f64>]) -> Result<Self, &'static str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn from_tensor(tensor: Tensor<Complex<f64>>) -> Result<Self, &'static str> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn get(&self, i: u8, j: u8) -> Complex<f64> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 |     pub fn set(&mut self, i: u8, j: u8, value: Complex<f64>) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 176 |     pub fn expectation_single(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 203 |     pub fn trace(&self) -> Complex<f64> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 212 |     pub fn normalize(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 |     pub fn evolve_single(&mut self, op: &Operator, index: usize) -> Result<(), String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 |     pub fn evolve(&mut self, op: &Operator, indices: &[usize]) -> Result<(), String> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 306 |     pub fn equals(&self, other: DensityMatrix, tol: f64) -> bool {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 322 |     pub fn tensor(&mut self, other: &DensityMatrix) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 |     pub fn ptrace(&mut self, qargs: &[usize]) -> Result<(), &str> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 407 |     pub fn entangle(&mut self, edge: &(usize, usize)) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 411 |     pub fn swap(&mut self, edge: &(usize, usize)) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 415 |     pub fn cnot(&mut self, edge: &(usize, usize)) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OneQubitOp` is never used
[INFO] [stdout]  --> src/operators.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum OneQubitOp {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TwoQubitsOp` is never used
[INFO] [stdout]   --> src/operators.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum TwoQubitsOp {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nqubits` is never read
[INFO] [stdout]   --> src/operators.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Operator {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 24 |     pub nqubits: usize,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operator` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `one_qubit`, `two_qubits`, `conj`, `transpose`, and `transconj` are never used
[INFO] [stdout]    --> src/operators.rs:35:12
[INFO] [stdout]     |
[INFO] [stdout] 34  | impl Operator {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] 35  |     pub fn new(data: &[Complex<f64>]) -> Result<Self, String> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 55  |     pub fn one_qubit(gate: OneQubitOp) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91  |     pub fn two_qubits(gate: TwoQubitsOp) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 |     pub fn conj(&self) -> Operator {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub fn transpose(&self) -> Operator {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 146 |     pub fn transconj(&self) -> Operator {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/tensor.rs:17:12
[INFO] [stdout]     |
[INFO] [stdout] 12  | / impl<T> Tensor<T>
[INFO] [stdout] 13  | | where
[INFO] [stdout] 14  | |     T: Zero + Clone + Mul<Output = T> + Add<Output = T> +  Sub<Output = T> + AddAssign + AbsDiff,
[INFO] [stdout]     | |_________________________________________________________________________________________________- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17  |       pub fn new(shape: &[usize]) -> Self {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26  |       pub fn from_vec(vec: &[T], shape: Vec<usize>) -> Self {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84  |       pub fn set(&mut self, indices: &[u8], value: T) {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 90  |       pub fn add(&self, other: &Tensor<T>) -> Self {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |       pub fn multiply(&self, other: &Tensor<T>) -> Self {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |       pub fn product(&self, other: &Tensor<T>) -> Tensor<T>
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |       pub fn tensordot(
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 |       fn unravel_index(index: usize, shape: &[usize]) -> Vec<usize> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 233 |       fn ravel_index(indices: &[usize], shape: &[usize]) -> usize {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 |       pub fn transpose(&self, axes: &[usize]) -> Result<Tensor<T>, &str> {
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 299 |       pub fn moveaxis(&self, source: &[i32], dest: &[i32]) -> Result<Tensor<T>, &str> {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 340 |       pub fn equals(&self, other: &Tensor<T>, tol: f64) -> bool {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `abs_diff` is never used
[INFO] [stdout]    --> src/tensor.rs:355:8
[INFO] [stdout]     |
[INFO] [stdout] 354 | pub trait AbsDiff {
[INFO] [stdout]     |           ------- associated function in this trait
[INFO] [stdout] 355 |     fn abs_diff(a: &Self, b: &Self) -> f64;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bitwise_bin_vec_to_int` is never used
[INFO] [stdout]   --> src/tools.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn bitwise_bin_vec_to_int(bin_vec: &[u8]) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `complex_approx_eq` is never used
[INFO] [stdout]   --> src/tools.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn complex_approx_eq(a: Complex<f64>, b: Complex<f64>, tol: f64) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `are_elements_unique` is never used
[INFO] [stdout]   --> src/tools.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn are_elements_unique<T: Eq + std::hash::Hash>(slice: &[T]) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/density_matrix.rs:408:9
[INFO] [stdout]     |
[INFO] [stdout] 408 |         self.evolve(&Operator::two_qubits(TwoQubitsOp::CZ), &[edge.0, edge.1]);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 408 |         let _ = self.evolve(&Operator::two_qubits(TwoQubitsOp::CZ), &[edge.0, edge.1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/density_matrix.rs:412:9
[INFO] [stdout]     |
[INFO] [stdout] 412 |         self.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[edge.0, edge.1]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 412 |         let _ = self.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[edge.0, edge.1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/density_matrix.rs:416:9
[INFO] [stdout]     |
[INFO] [stdout] 416 |         self.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[edge.0, edge.1]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 416 |         let _ = self.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[edge.0, edge.1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bitwise_bin_vec_to_int`
[INFO] [stdout]  --> tests/tests_tensor.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |         tools::{bitwise_bin_vec_to_int, bitwise_int_to_bin_vec},
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OneQubitOp`
[INFO] [stdout]  --> src/density_matrix.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::operators::{OneQubitOp, Operator, TwoQubitsOp};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OneQubitOp`
[INFO] [stdout]  --> src/density_matrix.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::operators::{OneQubitOp, Operator, TwoQubitsOp};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:41:43
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn get_op_ref<'py>(op: PyVec<'py>) -> &Operator {
[INFO] [stdout]    |                   ---                     ^ this elided lifetime gets resolved as `'py`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   lifetime `'py` declared here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:45:43
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn get_dm_ref<'py>(dm: PyVec<'py>) -> &DensityMatrix {
[INFO] [stdout]    |                   ---                     ^ this elided lifetime gets resolved as `'py`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   lifetime `'py` declared here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:49:47
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn get_dm_mut_ref<'py>(dm: PyVec<'py>) -> &mut DensityMatrix {
[INFO] [stdout]    |                       ---                     ^ this elided lifetime gets resolved as `'py`
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       lifetime `'py` declared here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_tensordot_2D_2` should have a snake case name
[INFO] [stdout]    --> tests/tests_tensor.rs:304:8
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn test_tensordot_2D_2() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_tensordot_2_d_2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_tensordot_3Dx2D_1` should have a snake case name
[INFO] [stdout]    --> tests/tests_tensor.rs:400:8
[INFO] [stdout]     |
[INFO] [stdout] 400 |     fn test_tensordot_3Dx2D_1() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_tensordot_3_dx2_d_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_tensordot_3Dx2D_2` should have a snake case name
[INFO] [stdout]    --> tests/tests_tensor.rs:409:8
[INFO] [stdout]     |
[INFO] [stdout] 409 |     fn test_tensordot_3Dx2D_2() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_tensordot_3_dx2_d_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_tensordot_2Dx3D_1` should have a snake case name
[INFO] [stdout]    --> tests/tests_tensor.rs:418:8
[INFO] [stdout]     |
[INFO] [stdout] 418 |     fn test_tensordot_2Dx3D_1() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_tensordot_2_dx3_d_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_tensordot_2Dx3D_2` should have a snake case name
[INFO] [stdout]    --> tests/tests_tensor.rs:427:8
[INFO] [stdout]     |
[INFO] [stdout] 427 |     fn test_tensordot_2Dx3D_2() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_tensordot_2_dx3_d_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/tests_density_matrix.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         rho.evolve_single(&Operator::one_qubit(OneQubitOp::I), 0);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 237 |         let _ = rho.evolve_single(&Operator::one_qubit(OneQubitOp::I), 0);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/tests_density_matrix.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |         rho.evolve_single(&Operator::one_qubit(OneQubitOp::H), 0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 250 |         let _ = rho.evolve_single(&Operator::one_qubit(OneQubitOp::H), 0);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/tests_density_matrix.rs:275:9
[INFO] [stdout]     |
[INFO] [stdout] 275 |         rho.evolve_single(&Operator::one_qubit(OneQubitOp::X), 0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 275 |         let _ = rho.evolve_single(&Operator::one_qubit(OneQubitOp::X), 0);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/tests_density_matrix.rs:300:9
[INFO] [stdout]     |
[INFO] [stdout] 300 |         rho.evolve_single(&Operator::one_qubit(OneQubitOp::Y), 0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 300 |         let _ = rho.evolve_single(&Operator::one_qubit(OneQubitOp::Y), 0);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/tests_density_matrix.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |         rho.evolve_single(&Operator::one_qubit(OneQubitOp::Z), 0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 325 |         let _ = rho.evolve_single(&Operator::one_qubit(OneQubitOp::Z), 0);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/tests_density_matrix.rs:350:9
[INFO] [stdout]     |
[INFO] [stdout] 350 |         rho.evolve_single(&Operator::one_qubit(OneQubitOp::I), 0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 350 |         let _ = rho.evolve_single(&Operator::one_qubit(OneQubitOp::I), 0);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/tests_density_matrix.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |         rho.evolve_single(&Operator::one_qubit(OneQubitOp::H), 0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 387 |         let _ = rho.evolve_single(&Operator::one_qubit(OneQubitOp::H), 0);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/tests_density_matrix.rs:424:9
[INFO] [stdout]     |
[INFO] [stdout] 424 |         rho.evolve_single(&Operator::one_qubit(OneQubitOp::X), 0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 424 |         let _ = rho.evolve_single(&Operator::one_qubit(OneQubitOp::X), 0);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/tests_density_matrix.rs:461:9
[INFO] [stdout]     |
[INFO] [stdout] 461 |         rho.evolve_single(&Operator::one_qubit(OneQubitOp::Y), 0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 461 |         let _ = rho.evolve_single(&Operator::one_qubit(OneQubitOp::Y), 0);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/tests_density_matrix.rs:498:9
[INFO] [stdout]     |
[INFO] [stdout] 498 |         rho.evolve_single(&Operator::one_qubit(OneQubitOp::Z), 0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 498 |         let _ = rho.evolve_single(&Operator::one_qubit(OneQubitOp::Z), 0);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/tests_density_matrix.rs:535:9
[INFO] [stdout]     |
[INFO] [stdout] 535 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[0, 1]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 535 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[0, 1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/tests_density_matrix.rs:559:9
[INFO] [stdout]     |
[INFO] [stdout] 559 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[1, 0]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 559 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[1, 0]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/tests_density_matrix.rs:589:9
[INFO] [stdout]     |
[INFO] [stdout] 589 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[1, 0]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 589 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[1, 0]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/tests_density_matrix.rs:619:9
[INFO] [stdout]     |
[INFO] [stdout] 619 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[0, 1]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 619 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[0, 1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/tests_density_matrix.rs:649:9
[INFO] [stdout]     |
[INFO] [stdout] 649 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[0, 1]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 649 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[0, 1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/tests_density_matrix.rs:673:9
[INFO] [stdout]     |
[INFO] [stdout] 673 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::CZ), &[0, 1]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 673 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::CZ), &[0, 1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/tests_density_matrix.rs:698:9
[INFO] [stdout]     |
[INFO] [stdout] 698 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[0, 1]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 698 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[0, 1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/tests_density_matrix.rs:734:9
[INFO] [stdout]     |
[INFO] [stdout] 734 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[2, 1]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 734 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[2, 1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/tests_density_matrix.rs:817:9
[INFO] [stdout]     |
[INFO] [stdout] 817 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[1, 2]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 817 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[1, 2]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/tests_density_matrix.rs:900:9
[INFO] [stdout]     |
[INFO] [stdout] 900 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[2, 0]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 900 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[2, 0]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/tests_density_matrix.rs:983:9
[INFO] [stdout]     |
[INFO] [stdout] 983 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[0, 2]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 983 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[0, 2]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> tests/tests_density_matrix.rs:1066:9
[INFO] [stdout]      |
[INFO] [stdout] 1066 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[0, 2]);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1066 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[0, 2]);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> tests/tests_density_matrix.rs:1149:9
[INFO] [stdout]      |
[INFO] [stdout] 1149 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[0, 1]);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1149 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[0, 1]);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> tests/tests_density_matrix.rs:1232:9
[INFO] [stdout]      |
[INFO] [stdout] 1232 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[1, 2]);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1232 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[1, 2]);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tensor.rs:327:13
[INFO] [stdout]     |
[INFO] [stdout] 327 |         let mut temp_dest = dest.clone();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `re_diff`
[INFO] [stdout]   --> src/tools.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let re_diff = (a.re - b.re).abs();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_re_diff`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `im_diff`
[INFO] [stdout]   --> src/tools.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let im_diff = (a.im - b.im).abs();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_im_diff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/density_matrix.rs:34:12
[INFO] [stdout]     |
[INFO] [stdout] 32  | impl DensityMatrix {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout] 33  |     // By default initialize in |0>.
[INFO] [stdout] 34  |     pub fn new(nqubits: usize, initial_state: State) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn from_statevec(statevec: &[Complex<f64>]) -> Result<Self, &'static str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn from_tensor(tensor: Tensor<Complex<f64>>) -> Result<Self, &'static str> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn get(&self, i: u8, j: u8) -> Complex<f64> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 |     pub fn set(&mut self, i: u8, j: u8, value: Complex<f64>) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 176 |     pub fn expectation_single(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 203 |     pub fn trace(&self) -> Complex<f64> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 212 |     pub fn normalize(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 |     pub fn evolve_single(&mut self, op: &Operator, index: usize) -> Result<(), String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 |     pub fn evolve(&mut self, op: &Operator, indices: &[usize]) -> Result<(), String> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 306 |     pub fn equals(&self, other: DensityMatrix, tol: f64) -> bool {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 322 |     pub fn tensor(&mut self, other: &DensityMatrix) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 |     pub fn ptrace(&mut self, qargs: &[usize]) -> Result<(), &str> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 407 |     pub fn entangle(&mut self, edge: &(usize, usize)) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 411 |     pub fn swap(&mut self, edge: &(usize, usize)) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 415 |     pub fn cnot(&mut self, edge: &(usize, usize)) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OneQubitOp` is never used
[INFO] [stdout]  --> src/operators.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum OneQubitOp {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TwoQubitsOp` is never used
[INFO] [stdout]   --> src/operators.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum TwoQubitsOp {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nqubits` is never read
[INFO] [stdout]   --> src/operators.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Operator {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 24 |     pub nqubits: usize,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operator` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `one_qubit`, `two_qubits`, `conj`, `transpose`, and `transconj` are never used
[INFO] [stdout]    --> src/operators.rs:35:12
[INFO] [stdout]     |
[INFO] [stdout] 34  | impl Operator {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] 35  |     pub fn new(data: &[Complex<f64>]) -> Result<Self, String> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 55  |     pub fn one_qubit(gate: OneQubitOp) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91  |     pub fn two_qubits(gate: TwoQubitsOp) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 |     pub fn conj(&self) -> Operator {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub fn transpose(&self) -> Operator {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 146 |     pub fn transconj(&self) -> Operator {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/tensor.rs:17:12
[INFO] [stdout]     |
[INFO] [stdout] 12  | / impl<T> Tensor<T>
[INFO] [stdout] 13  | | where
[INFO] [stdout] 14  | |     T: Zero + Clone + Mul<Output = T> + Add<Output = T> +  Sub<Output = T> + AddAssign + AbsDiff,
[INFO] [stdout]     | |_________________________________________________________________________________________________- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17  |       pub fn new(shape: &[usize]) -> Self {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26  |       pub fn from_vec(vec: &[T], shape: Vec<usize>) -> Self {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84  |       pub fn set(&mut self, indices: &[u8], value: T) {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 90  |       pub fn add(&self, other: &Tensor<T>) -> Self {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |       pub fn multiply(&self, other: &Tensor<T>) -> Self {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |       pub fn product(&self, other: &Tensor<T>) -> Tensor<T>
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |       pub fn tensordot(
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 |       fn unravel_index(index: usize, shape: &[usize]) -> Vec<usize> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 233 |       fn ravel_index(indices: &[usize], shape: &[usize]) -> usize {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 |       pub fn transpose(&self, axes: &[usize]) -> Result<Tensor<T>, &str> {
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 299 |       pub fn moveaxis(&self, source: &[i32], dest: &[i32]) -> Result<Tensor<T>, &str> {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 340 |       pub fn equals(&self, other: &Tensor<T>, tol: f64) -> bool {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `abs_diff` is never used
[INFO] [stdout]    --> src/tensor.rs:355:8
[INFO] [stdout]     |
[INFO] [stdout] 354 | pub trait AbsDiff {
[INFO] [stdout]     |           ------- associated function in this trait
[INFO] [stdout] 355 |     fn abs_diff(a: &Self, b: &Self) -> f64;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bitwise_bin_vec_to_int` is never used
[INFO] [stdout]   --> src/tools.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn bitwise_bin_vec_to_int(bin_vec: &[u8]) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `complex_approx_eq` is never used
[INFO] [stdout]   --> src/tools.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn complex_approx_eq(a: Complex<f64>, b: Complex<f64>, tol: f64) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `are_elements_unique` is never used
[INFO] [stdout]   --> src/tools.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn are_elements_unique<T: Eq + std::hash::Hash>(slice: &[T]) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/density_matrix.rs:408:9
[INFO] [stdout]     |
[INFO] [stdout] 408 |         self.evolve(&Operator::two_qubits(TwoQubitsOp::CZ), &[edge.0, edge.1]);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 408 |         let _ = self.evolve(&Operator::two_qubits(TwoQubitsOp::CZ), &[edge.0, edge.1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/density_matrix.rs:412:9
[INFO] [stdout]     |
[INFO] [stdout] 412 |         self.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[edge.0, edge.1]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 412 |         let _ = self.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[edge.0, edge.1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/density_matrix.rs:416:9
[INFO] [stdout]     |
[INFO] [stdout] 416 |         self.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[edge.0, edge.1]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 416 |         let _ = self.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[edge.0, edge.1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tensor.rs:327:13
[INFO] [stdout]     |
[INFO] [stdout] 327 |         let mut temp_dest = dest.clone();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `re_diff`
[INFO] [stdout]   --> src/tools.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let re_diff = (a.re - b.re).abs();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_re_diff`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `im_diff`
[INFO] [stdout]   --> src/tools.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let im_diff = (a.im - b.im).abs();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_im_diff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `py`
[INFO] [stdout]    --> src/lib.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         py: pyo3::prelude::Python<'py>,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_py`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `py`
[INFO] [stdout]    --> src/lib.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         py: pyo3::prelude::Python<'py>,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_py`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     m.add("Zero", State::ZERO);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let _ = m.add("Zero", State::ZERO);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     m.add("Plus", State::PLUS);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let _ = m.add("Plus", State::PLUS);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     m.add("One", State::ONE);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let _ = m.add("One", State::ONE);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     m.add("Minus", State::MINUS);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let _ = m.add("Minus", State::MINUS);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/density_matrix.rs:408:9
[INFO] [stdout]     |
[INFO] [stdout] 408 |         self.evolve(&Operator::two_qubits(TwoQubitsOp::CZ), &[edge.0, edge.1]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 408 |         let _ = self.evolve(&Operator::two_qubits(TwoQubitsOp::CZ), &[edge.0, edge.1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/density_matrix.rs:412:9
[INFO] [stdout]     |
[INFO] [stdout] 412 |         self.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[edge.0, edge.1]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 412 |         let _ = self.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[edge.0, edge.1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/density_matrix.rs:416:9
[INFO] [stdout]     |
[INFO] [stdout] 416 |         self.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[edge.0, edge.1]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 416 |         let _ = self.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[edge.0, edge.1]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `Command { std: "docker" "inspect" "3b5cf9f77046fdd7b3fc64981bdf43fa8e6a62b9d5cd1d86a34b814689756fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b5cf9f77046fdd7b3fc64981bdf43fa8e6a62b9d5cd1d86a34b814689756fb7", kill_on_drop: false }`
[INFO] [stdout] 3b5cf9f77046fdd7b3fc64981bdf43fa8e6a62b9d5cd1d86a34b814689756fb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c1799177e5e1beb6f60ee9f3258adb89654ea877899bc899f7708fa065d4caae
[INFO] running `Command { std: "docker" "start" "-a" "c1799177e5e1beb6f60ee9f3258adb89654ea877899bc899f7708fa065d4caae", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `OneQubitOp`
[INFO] [stderr]  --> src/density_matrix.rs:6:24
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::operators::{OneQubitOp, Operator, TwoQubitsOp};
[INFO] [stderr]   |                        ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: elided lifetime has a name
[INFO] [stderr]   --> src/lib.rs:41:43
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn get_op_ref<'py>(op: PyVec<'py>) -> &Operator {
[INFO] [stderr]    |                   ---                     ^ this elided lifetime gets resolved as `'py`
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   lifetime `'py` declared here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: elided lifetime has a name
[INFO] [stderr]   --> src/lib.rs:45:43
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn get_dm_ref<'py>(dm: PyVec<'py>) -> &DensityMatrix {
[INFO] [stderr]    |                   ---                     ^ this elided lifetime gets resolved as `'py`
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   lifetime `'py` declared here
[INFO] [stderr] 
[INFO] [stderr] warning: elided lifetime has a name
[INFO] [stderr]   --> src/lib.rs:49:47
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn get_dm_mut_ref<'py>(dm: PyVec<'py>) -> &mut DensityMatrix {
[INFO] [stderr]    |                       ---                     ^ this elided lifetime gets resolved as `'py`
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       lifetime `'py` declared here
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tensor.rs:327:13
[INFO] [stderr]     |
[INFO] [stderr] 327 |         let mut temp_dest = dest.clone();
[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: `re_diff`
[INFO] [stderr]   --> src/tools.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let re_diff = (a.re - b.re).abs();
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_re_diff`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `im_diff`
[INFO] [stderr]   --> src/tools.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let im_diff = (a.im - b.im).abs();
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_im_diff`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `py`
[INFO] [stderr]    --> src/lib.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         py: pyo3::prelude::Python<'py>,
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_py`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `py`
[INFO] [stderr]    --> src/lib.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |         py: pyo3::prelude::Python<'py>,
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_py`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     m.add("Zero", State::ZERO);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let _ = m.add("Zero", State::ZERO);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     m.add("Plus", State::PLUS);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let _ = m.add("Plus", State::PLUS);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     m.add("One", State::ONE);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let _ = m.add("One", State::ONE);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     m.add("Minus", State::MINUS);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let _ = m.add("Minus", State::MINUS);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/density_matrix.rs:408:9
[INFO] [stderr]     |
[INFO] [stderr] 408 |         self.evolve(&Operator::two_qubits(TwoQubitsOp::CZ), &[edge.0, edge.1]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 408 |         let _ = self.evolve(&Operator::two_qubits(TwoQubitsOp::CZ), &[edge.0, edge.1]);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/density_matrix.rs:412:9
[INFO] [stderr]     |
[INFO] [stderr] 412 |         self.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[edge.0, edge.1]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 412 |         let _ = self.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[edge.0, edge.1]);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/density_matrix.rs:416:9
[INFO] [stderr]     |
[INFO] [stderr] 416 |         self.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[edge.0, edge.1]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 416 |         let _ = self.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[edge.0, edge.1]);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `dm-simu-rs` (lib) generated 16 warnings (run `cargo fix --lib -p dm-simu-rs` to apply 2 suggestions)
[INFO] [stderr] warning: `dm-simu-rs` (lib test) generated 16 warnings (16 duplicates)
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/tests_density_matrix.rs:237:9
[INFO] [stderr]     |
[INFO] [stderr] 237 |         rho.evolve_single(&Operator::one_qubit(OneQubitOp::I), 0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 237 |         let _ = rho.evolve_single(&Operator::one_qubit(OneQubitOp::I), 0);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/tests_density_matrix.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |         rho.evolve_single(&Operator::one_qubit(OneQubitOp::H), 0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 250 |         let _ = rho.evolve_single(&Operator::one_qubit(OneQubitOp::H), 0);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/tests_density_matrix.rs:275:9
[INFO] [stderr]     |
[INFO] [stderr] 275 |         rho.evolve_single(&Operator::one_qubit(OneQubitOp::X), 0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 275 |         let _ = rho.evolve_single(&Operator::one_qubit(OneQubitOp::X), 0);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/tests_density_matrix.rs:300:9
[INFO] [stderr]     |
[INFO] [stderr] 300 |         rho.evolve_single(&Operator::one_qubit(OneQubitOp::Y), 0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 300 |         let _ = rho.evolve_single(&Operator::one_qubit(OneQubitOp::Y), 0);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/tests_density_matrix.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 325 |         rho.evolve_single(&Operator::one_qubit(OneQubitOp::Z), 0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 325 |         let _ = rho.evolve_single(&Operator::one_qubit(OneQubitOp::Z), 0);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/tests_density_matrix.rs:350:9
[INFO] [stderr]     |
[INFO] [stderr] 350 |         rho.evolve_single(&Operator::one_qubit(OneQubitOp::I), 0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 350 |         let _ = rho.evolve_single(&Operator::one_qubit(OneQubitOp::I), 0);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/tests_density_matrix.rs:387:9
[INFO] [stderr]     |
[INFO] [stderr] 387 |         rho.evolve_single(&Operator::one_qubit(OneQubitOp::H), 0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 387 |         let _ = rho.evolve_single(&Operator::one_qubit(OneQubitOp::H), 0);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/tests_density_matrix.rs:424:9
[INFO] [stderr]     |
[INFO] [stderr] 424 |         rho.evolve_single(&Operator::one_qubit(OneQubitOp::X), 0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 424 |         let _ = rho.evolve_single(&Operator::one_qubit(OneQubitOp::X), 0);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/tests_density_matrix.rs:461:9
[INFO] [stderr]     |
[INFO] [stderr] 461 |         rho.evolve_single(&Operator::one_qubit(OneQubitOp::Y), 0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 461 |         let _ = rho.evolve_single(&Operator::one_qubit(OneQubitOp::Y), 0);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/tests_density_matrix.rs:498:9
[INFO] [stderr]     |
[INFO] [stderr] 498 |         rho.evolve_single(&Operator::one_qubit(OneQubitOp::Z), 0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 498 |         let _ = rho.evolve_single(&Operator::one_qubit(OneQubitOp::Z), 0);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/tests_density_matrix.rs:535:9
[INFO] [stderr]     |
[INFO] [stderr] 535 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[0, 1]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 535 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[0, 1]);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/tests_density_matrix.rs:559:9
[INFO] [stderr]     |
[INFO] [stderr] 559 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[1, 0]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 559 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[1, 0]);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/tests_density_matrix.rs:589:9
[INFO] [stderr]     |
[INFO] [stderr] 589 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[1, 0]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 589 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[1, 0]);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/tests_density_matrix.rs:619:9
[INFO] [stderr]     |
[INFO] [stderr] 619 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[0, 1]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 619 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[0, 1]);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/tests_density_matrix.rs:649:9
[INFO] [stderr]     |
[INFO] [stderr] 649 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[0, 1]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 649 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::CX), &[0, 1]);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/tests_density_matrix.rs:673:9
[INFO] [stderr]     |
[INFO] [stderr] 673 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::CZ), &[0, 1]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 673 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::CZ), &[0, 1]);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/tests_density_matrix.rs:698:9
[INFO] [stderr]     |
[INFO] [stderr] 698 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[0, 1]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 698 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[0, 1]);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/tests_density_matrix.rs:734:9
[INFO] [stderr]     |
[INFO] [stderr] 734 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[2, 1]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 734 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[2, 1]);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/tests_density_matrix.rs:817:9
[INFO] [stderr]     |
[INFO] [stderr] 817 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[1, 2]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 817 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[1, 2]);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/tests_density_matrix.rs:900:9
[INFO] [stderr]     |
[INFO] [stderr] 900 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[2, 0]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 900 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[2, 0]);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/tests_density_matrix.rs:983:9
[INFO] [stderr]     |
[INFO] [stderr] 983 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[0, 2]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 983 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[0, 2]);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> tests/tests_density_matrix.rs:1066:9
[INFO] [stderr]      |
[INFO] [stderr] 1066 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[0, 2]);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1066 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[0, 2]);
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> tests/tests_density_matrix.rs:1149:9
[INFO] [stderr]      |
[INFO] [stderr] 1149 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[0, 1]);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1149 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[0, 1]);
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> tests/tests_density_matrix.rs:1232:9
[INFO] [stderr]      |
[INFO] [stderr] 1232 |         rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[1, 2]);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1232 |         let _ = rho.evolve(&Operator::two_qubits(TwoQubitsOp::SWAP), &[1, 2]);
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bitwise_bin_vec_to_int`
[INFO] [stderr]  --> tests/tests_tensor.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |         tools::{bitwise_bin_vec_to_int, bitwise_int_to_bin_vec},
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_tensordot_2D_2` should have a snake case name
[INFO] [stderr]    --> tests/tests_tensor.rs:304:8
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn test_tensordot_2D_2() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_tensordot_2_d_2`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_tensordot_3Dx2D_1` should have a snake case name
[INFO] [stderr]    --> tests/tests_tensor.rs:400:8
[INFO] [stderr]     |
[INFO] [stderr] 400 |     fn test_tensordot_3Dx2D_1() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_tensordot_3_dx2_d_1`
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_tensordot_3Dx2D_2` should have a snake case name
[INFO] [stderr]    --> tests/tests_tensor.rs:409:8
[INFO] [stderr]     |
[INFO] [stderr] 409 |     fn test_tensordot_3Dx2D_2() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_tensordot_3_dx2_d_2`
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_tensordot_2Dx3D_1` should have a snake case name
[INFO] [stderr]    --> tests/tests_tensor.rs:418:8
[INFO] [stderr]     |
[INFO] [stderr] 418 |     fn test_tensordot_2Dx3D_1() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_tensordot_2_dx3_d_1`
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_tensordot_2Dx3D_2` should have a snake case name
[INFO] [stderr]    --> tests/tests_tensor.rs:427:8
[INFO] [stderr]     |
[INFO] [stderr] 427 |     fn test_tensordot_2Dx3D_2() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_tensordot_2_dx3_d_2`
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]    --> src/density_matrix.rs:34:12
[INFO] [stderr]     |
[INFO] [stderr] 32  | impl DensityMatrix {
[INFO] [stderr]     | ------------------ associated items in this implementation
[INFO] [stderr] 33  |     // By default initialize in |0>.
[INFO] [stderr] 34  |     pub fn new(nqubits: usize, initial_state: State) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 102 |     pub fn from_statevec(statevec: &[Complex<f64>]) -> Result<Self, &'static str> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 123 |     pub fn from_tensor(tensor: Tensor<Complex<f64>>) -> Result<Self, &'static str> {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 163 |     pub fn get(&self, i: u8, j: u8) -> Complex<f64> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 170 |     pub fn set(&mut self, i: u8, j: u8, value: Complex<f64>) {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 176 |     pub fn expectation_single(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 203 |     pub fn trace(&self) -> Complex<f64> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 212 |     pub fn normalize(&mut self) {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 222 |     pub fn evolve_single(&mut self, op: &Operator, index: usize) -> Result<(), String> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 255 |     pub fn evolve(&mut self, op: &Operator, indices: &[usize]) -> Result<(), String> {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 306 |     pub fn equals(&self, other: DensityMatrix, tol: f64) -> bool {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 322 |     pub fn tensor(&mut self, other: &DensityMatrix) {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 352 |     pub fn ptrace(&mut self, qargs: &[usize]) -> Result<(), &str> {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 407 |     pub fn entangle(&mut self, edge: &(usize, usize)) {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 411 |     pub fn swap(&mut self, edge: &(usize, usize)) {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 415 |     pub fn cnot(&mut self, edge: &(usize, usize)) {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `OneQubitOp` is never used
[INFO] [stderr]  --> src/operators.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub enum OneQubitOp {
[INFO] [stderr]   |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `TwoQubitsOp` is never used
[INFO] [stderr]   --> src/operators.rs:16:10
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub enum TwoQubitsOp {
[INFO] [stderr]    |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `nqubits` is never read
[INFO] [stderr]   --> src/operators.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub struct Operator {
[INFO] [stderr]    |            -------- field in this struct
[INFO] [stderr] 24 |     pub nqubits: usize,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Operator` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `one_qubit`, `two_qubits`, `conj`, `transpose`, and `transconj` are never used
[INFO] [stderr]    --> src/operators.rs:35:12
[INFO] [stderr]     |
[INFO] [stderr] 34  | impl Operator {
[INFO] [stderr]     | ------------- associated items in this implementation
[INFO] [stderr] 35  |     pub fn new(data: &[Complex<f64>]) -> Result<Self, String> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stdout] 
[INFO] [stderr] 55  |     pub fn one_qubit(gate: OneQubitOp) -> Self {
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 91  |     pub fn two_qubits(gate: TwoQubitsOp) -> Self {
[INFO] [stdout] 
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] ...
[INFO] [stdout] 
[INFO] [stderr] 118 |     pub fn conj(&self) -> Operator {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 131 |     pub fn transpose(&self) -> Operator {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 146 |     pub fn transconj(&self) -> Operator {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]    --> src/tensor.rs:17:12
[INFO] [stderr]     |
[INFO] [stderr] 12  | / impl<T> Tensor<T>
[INFO] [stderr] 13  | | where
[INFO] [stderr] 14  | |     T: Zero + Clone + Mul<Output = T> + Add<Output = T> +  Sub<Output = T> + AddAssign + AbsDiff,
[INFO] [stderr]     | |_________________________________________________________________________________________________- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 17  |       pub fn new(shape: &[usize]) -> Self {
[INFO] [stderr]     |              ^^^
[INFO] [stderr] ...
[INFO] [stderr] 26  |       pub fn from_vec(vec: &[T], shape: Vec<usize>) -> Self {
[INFO] [stderr]     |              ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 84  |       pub fn set(&mut self, indices: &[u8], value: T) {
[INFO] [stderr]     |              ^^^
[INFO] [stderr] ...
[INFO] [stderr] 90  |       pub fn add(&self, other: &Tensor<T>) -> Self {
[INFO] [stderr]     |              ^^^
[INFO] [stderr] ...
[INFO] [stderr] 100 |       pub fn multiply(&self, other: &Tensor<T>) -> Self {
[INFO] [stderr]     |              ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 110 |       pub fn product(&self, other: &Tensor<T>) -> Tensor<T>
[INFO] [stderr]     |              ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 148 |       pub fn tensordot(
[INFO] [stderr]     |              ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 222 |       fn unravel_index(index: usize, shape: &[usize]) -> Vec<usize> {
[INFO] [stderr]     |          ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 233 |       fn ravel_index(indices: &[usize], shape: &[usize]) -> usize {
[INFO] [stderr]     |          ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 243 |       pub fn transpose(&self, axes: &[usize]) -> Result<Tensor<T>, &str> {
[INFO] [stderr]     |              ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 299 |       pub fn moveaxis(&self, source: &[i32], dest: &[i32]) -> Result<Tensor<T>, &str> {
[INFO] [stderr]     |              ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 340 |       pub fn equals(&self, other: &Tensor<T>, tol: f64) -> bool {
[INFO] [stderr]     |              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `abs_diff` is never used
[INFO] [stderr]    --> src/tensor.rs:355:8
[INFO] [stderr]     |
[INFO] [stderr] 354 | pub trait AbsDiff {
[INFO] [stderr]     |           ------- associated function in this trait
[INFO] [stderr] 355 |     fn abs_diff(a: &Self, b: &Self) -> f64;
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `bitwise_bin_vec_to_int` is never used
[INFO] [stderr]   --> src/tools.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn bitwise_bin_vec_to_int(bin_vec: &[u8]) -> usize {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `complex_approx_eq` is never used
[INFO] [stderr]   --> src/tools.rs:40:8
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn complex_approx_eq(a: Complex<f64>, b: Complex<f64>, tol: f64) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `are_elements_unique` is never used
[INFO] [stderr]   --> src/tools.rs:46:8
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub fn are_elements_unique<T: Eq + std::hash::Hash>(slice: &[T]) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/density_matrix.rs:408:9
[INFO] [stderr]     |
[INFO] [stderr] 408 |         self.evolve(&Operator::two_qubits(TwoQubitsOp::CZ), &[edge.0, edge.1]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 408 |         let _ = self.evolve(&Operator::two_qubits(TwoQubitsOp::CZ), &[edge.0, edge.1]);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `dm-simu-rs` (test "tests_density_matrix") generated 24 warnings
[INFO] [stderr] warning: `dm-simu-rs` (test "tests_tensor") generated 6 warnings (run `cargo fix --test "tests_tensor"` to apply 1 suggestion)
[INFO] [stderr] warning: `dm-simu-rs` (bin "dm-simu-rs") generated 17 warnings (6 duplicates)
[INFO] [stderr] warning: `dm-simu-rs` (bin "dm-simu-rs" test) generated 17 warnings (17 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dm_simu_rs-e74874808f0e537e)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dm_simu_rs-9294945accf99b8d)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests_density_matrix.rs (/opt/rustwide/target/debug/deps/tests_density_matrix-ee13d3ea98a8cb27)
[INFO] [stdout] 
[INFO] [stdout] running 62 tests
[INFO] [stdout] test tests_dm::test_density_matrix_minus_state ... ok
[INFO] [stdout] test tests_dm::test_evolve_cx_ket00_1 ... ok
[INFO] [stdout] test tests_dm::test_evolve_cx_ket00_2 ... ok
[INFO] [stdout] test tests_dm::test_evolve_cx_ket01 ... ok
[INFO] [stdout] test tests_dm::test_evolve_cx_ket10 ... ok
[INFO] [stdout] test tests_dm::test_evolve_cz_ket00 ... ok
[INFO] [stdout] test tests_dm::test_evolve_swap_ket00 ... ok
[INFO] [stdout] test tests_dm::test_evolve_swap_ket001_2 ... ok
[INFO] [stdout] test tests_dm::test_evolve_cx_ket11 ... ok
[INFO] [stdout] test tests_dm::test_evolve_swap_ket001_1 ... ok
[INFO] [stdout] test tests_dm::test_evolve_swap_ket100_2 ... ok
[INFO] [stdout] test tests_dm::test_evolve_swap_ket100_1 ... ok
[INFO] [stdout] test tests_dm::test_expectation_single_10 ... ok
[INFO] [stdout] test tests_dm::test_expectation_single_2 ... ok
[INFO] [stdout] test tests_dm::test_expectation_single_3 ... ok
[INFO] [stdout] test tests_dm::test_expectation_single_4 ... ok
[INFO] [stdout] test tests_dm::test_expectation_single_5 ... ok
[INFO] [stdout] test tests_dm::test_expectation_single_8 ... ok
[INFO] [stdout] test tests_dm::test_expectation_single_9 ... ok
[INFO] [stdout] test tests_dm::test_evolve_swap_ket111_1 ... ok
[INFO] [stdout] test tests_dm::test_init_from_statevec_ket_0 ... ok
[INFO] [stdout] test tests_dm::test_evolve_swap_ket111_3 ... ok
[INFO] [stdout] test tests_dm::test_expectation_single_1 ... ok
[INFO] [stdout] test tests_dm::test_init_from_statevec_ket_01 ... ok
[INFO] [stdout] test tests_dm::test_evolve_swap_ket111_2 ... ok
[INFO] [stdout] test tests_dm::test_expectation_single_6 ... ok
[INFO] [stdout] test tests_dm::test_init_from_statevec_ket_00 ... ok
[INFO] [stdout] test tests_dm::test_init_from_statevec_ket_1 ... ok
[INFO] [stdout] test tests_dm::test_init_initial_state_plus ... ok
[INFO] [stdout] test tests_dm::test_init_initial_state_zero ... ok
[INFO] [stdout] test tests_dm::test_kron_specific ... ok
[INFO] [stdout] test tests_dm::test_one_qubit_evolve_single_h ... ok
[INFO] [stdout] test tests_dm::test_one_qubit_evolve_single_i ... ok
[INFO] [stdout] test tests_dm::test_kron_zero_and_one_state ... ok
[INFO] [stdout] test tests_dm::test_one_qubit_evolve_single_x ... ok
[INFO] [stdout] test tests_dm::test_one_qubit_evolve_single_y ... ok
[INFO] [stdout] test tests_dm::test_one_qubit_evolve_single_z ... ok
[INFO] [stdout] test tests_dm::test_init_from_statevec_ket_10 ... ok
[INFO] [stdout] test tests_dm::test_init_from_statevec_ket_11 ... ok
[INFO] [stdout] test tests_dm::test_init_initial_state_one ... ok
[INFO] [stdout] test tests_dm::test_ptrace_1 ... ok
[INFO] [stdout] test tests_dm::test_ptrace_3 ... ok
[INFO] [stdout] test tests_dm::test_ptrace_2 ... ok
[INFO] [stdout] test tests_dm::test_ptrace_6 ... ok
[INFO] [stdout] test tests_dm::test_kron_multiple_qubits_zero_state ... ok
[INFO] [stdout] test tests_dm::test_two_qubits_evolve_single_h ... ok
[INFO] [stdout] test tests_dm::test_two_qubits_evolve_single_i ... ok
[INFO] [stdout] test tests_dm::test_kron_plus_state ... ok
[INFO] [stdout] test tests_dm::test_ptrace_5 ... ok
[INFO] [stdout] test tests_dm::test_ptrace_4 ... ok
[INFO] [stdout] test tests_dm::test_kron_1_qubit_zero_state ... ok
[INFO] [stdout] test tests_dm::test_trace_pure_state ... ok
[INFO] [stdout] test tests_dm::test_kron_two_qubits_plus_state ... ok
[INFO] [stdout] test tests_dm::test_two_qubits_evolve_single_y ... ok
[INFO] [stdout] test tests_dm::test_two_qubits_evolve_single_z ... ok
[INFO] [stdout] test tests_dm::test_two_qubits_evolve_single_x ... ok
[INFO] [stdout] test tests_dm::test_expectation_single_7 ... ok
[INFO] [stdout] test tests_dm::test_evolve_single_wrong_operator - should panic ... ok
[INFO] [stdout] test tests_dm::test_evolve_similar_indices - should panic ... ok
[INFO] [stdout] test tests_dm::test_evolve_single_out_of_range_target - should panic ... ok
[INFO] [stdout] test tests_dm::test_evolve_out_of_range_target - should panic ... ok
[INFO] [stdout] test tests_dm::test_ptrace_fail - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 62 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests_operators.rs (/opt/rustwide/target/debug/deps/tests_operators-d301c83bd536ab0b)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests_operators::test_operator_cz ... ok
[INFO] [stdout] test tests_operators::test_operator_swap ... ok
[INFO] [stdout] test tests_operators::test_transconjugate_z ... ok
[INFO] [stdout] test tests_operators::test_operator_z ... ok
[INFO] [stdout] test tests_operators::test_transconjugate_h ... ok
[INFO] [stdout] test tests_operators::test_transconjugate_random_unitary ... ok
[INFO] [stdout] test tests_operators::test_transconjugate_x ... ok
[INFO] [stdout] test tests_operators::test_transconjugate_y ... ok
[INFO] [stdout] test tests_operators::test_operator_h ... ok
[INFO] [stdout] test tests_operators::test_operator_x ... ok
[INFO] [stdout] test tests_operators::test_operator_cx ... ok
[INFO] [stdout] test tests_operators::test_operator_y ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests_tensor.rs (/opt/rustwide/target/debug/deps/tests_tensor-d43ac49a981db401)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test tests_tensor::test_moveaxis_3d ... ok
[INFO] [stdout] test tests_tensor::test_moveaxis_4d_tensor ... ok
[INFO] [stdout] test tests_tensor::test_moveaxis_unchanged ... ok
[INFO] [stdout] test tests_tensor::test_moveaxis_single_to_single ... ok
[INFO] [stdout] test tests_tensor::test_moveaxis_transpose ... ok
[INFO] [stdout] test tests_tensor::test_tensor_addition ... ok
[INFO] [stdout] test tests_tensor::test_tensor_product_1 ... ok
[INFO] [stdout] test tests_tensor::test_moveaxis_with_negative_indices_1 ... ok
[INFO] [stdout] test tests_tensor::test_tensordot_different_shapes ... ok
[INFO] [stdout] test tests_tensor::test_tensordot_2D_2 ... ok
[INFO] [stdout] test tests_tensor::test_tensor_product_2 ... ok
[INFO] [stdout] test tests_tensor::test_tensor_product_3 ... ok
[INFO] [stdout] test tests_tensor::test_tensordot_3Dx2D_2 ... ok
[INFO] [stdout] test tests_tensor::test_transpose_3d_empty_axes ... ok
[INFO] [stdout] test tests_tensor::test_tensordot_2Dx3D_1 ... ok
[INFO] [stdout] test tests_tensor::test_tensor_get ... ok
[INFO] [stdout] test tests_tensor::test_tensordot_2Dx3D_2 ... ok
[INFO] [stdout] test tests_tensor::test_tensordot_3Dx2D_1 ... ok
[INFO] [stdout] test tests_tensor::test_moveaxis_with_negative_indices_2 ... ok
[INFO] [stdout] test tests_tensor::test_tensor_creation ... ok
[INFO] [stdout] test tests_tensor::test_transpose_4d ... ok
[INFO] [stdout] test tests_tensor::test_tensor_get_set ... ok
[INFO] [stdout] test tests_tensor::test_transpose_3d ... ok
[INFO] [stdout] test tests_tensor::test_transpose_identity ... ok
[INFO] [stdout] test tests_tensor::test_tensor_multiplication ... ok
[INFO] [stdout] test tests_tensor::test_transpose_empty_axes ... ok
[INFO] [stdout] test tests_tensor::test_tensordot_basic_1 ... ok
[INFO] [stdout] test tests_tensor::test_transpose_2d ... ok
[INFO] [stdout] test tests_tensor::test_transpose_single_axis ... ok
[INFO] [stdout] test tests_tensor::test_tensor_product_4 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests_tensor::test_tensor_product_4 stdout ----
[INFO] [stdout] thread 'tests_tensor::test_tensor_product_4' panicked at src/tensor.rs:80:19:
[INFO] [stdout] index out of bounds: the len is 4 but the index is 5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5da48c10763a - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5da48c10763a - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5da48c10763a - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5da48c10763a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5da48c12cd23 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5da48c12cd23 - core::fmt::write::h7550c97b06c86515
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stdout]    6:     0x5da48c104803 - std::io::Write::write_fmt::h509ff860e5956e5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x5da48c107482 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5da48c108a9a - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5da48c1088a4 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5da48c0b0339 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39b51ce4599c23d1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x5da48c0b0339 - test::test_main::{{closure}}::he977ae839a582784
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x5da48c109138 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9455091b6b06f9fb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x5da48c109138 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5da48c108efa - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5da48c107b19 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5da48c108b8c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5da48c047b00 - core::panicking::panic_fmt::h0c3082644d1bf418
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14
[INFO] [stdout]   18:     0x5da48c047c81 - core::panicking::panic_bounds_check::h8307ccead484a122
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:276:5
[INFO] [stdout]   19:     0x5da48c0cdb67 - <usize as core::slice::index::SliceIndex<[T]>>::index::h3dfaa2b86af81c06
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/slice/index.rs:301:10
[INFO] [stdout]   20:     0x5da48c0bee15 - core::slice::index::<impl core::ops::index::Index<I> for [T]>::index::h93bf7aa759307536
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/slice/index.rs:16:9
[INFO] [stdout]   21:     0x5da48c0bee15 - <alloc::vec::Vec<T,A> as core::ops::index::Index<I>>::index::hb7a23cbd962e7374
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/vec/mod.rs:3323:9
[INFO] [stdout]   22:     0x5da48c0d1596 - dm_simu_rs::tensor::Tensor<T>::get::he2c9d47f54f9ade2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tensor.rs:80:19
[INFO] [stdout]   23:     0x5da48c0729d8 - dm_simu_rs::tensor::Tensor<T>::product::h94c71ef08e8fd13b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tensor.rs:139:28
[INFO] [stdout]   24:     0x5da48c05a6de - tests_tensor::tests_tensor::test_tensor_product_4::h869d190f8bfa9d12
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/tests_tensor.rs:237:29
[INFO] [stdout]   25:     0x5da48c05a2c7 - tests_tensor::tests_tensor::test_tensor_product_4::{{closure}}::had5bb09ccc894cc4
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/tests_tensor.rs:212:31
[INFO] [stdout]   26:     0x5da48c076636 - core::ops::function::FnOnce::call_once::h0e27e8e6c5770ed9
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x5da48c0b4cfb - core::ops::function::FnOnce::call_once::h109cf8051a59b34e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stderr] error: test failed, to rerun pass `--test tests_tensor`
[INFO] [stdout]   28:     0x5da48c0b4cfb - test::__rust_begin_short_backtrace::hf4fff89d377446ba
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18
[INFO] [stdout]   29:     0x5da48c0b4537 - test::run_test_in_process::{{closure}}::h0e39181dd7ee5a43
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60
[INFO] [stdout]   30:     0x5da48c0b4537 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc5a66a30f0bdfd1f
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   31:     0x5da48c0b4537 - std::panicking::try::do_call::h873b7cf639554a5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   32:     0x5da48c0b4537 - std::panicking::try::hdb19862fad9c8bd1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   33:     0x5da48c0b4537 - std::panic::catch_unwind::h281fe732d236d260
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   34:     0x5da48c0b4537 - test::run_test_in_process::h949b6df8457ed338
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27
[INFO] [stdout]   35:     0x5da48c0b4537 - test::run_test::{{closure}}::h52c556a6d4740e10
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43
[INFO] [stdout]   36:     0x5da48c079814 - test::run_test::{{closure}}::h4237f6381c45ccb9
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41
[INFO] [stdout]   37:     0x5da48c079814 - std::sys::backtrace::__rust_begin_short_backtrace::h505c97a579eca628
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   38:     0x5da48c07cede - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e86b2e2bc107ea3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17
[INFO] [stdout]   39:     0x5da48c07cede - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8b06ddb275ff4a25
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   40:     0x5da48c07cede - std::panicking::try::do_call::hb26ecd7cd9a9355d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   41:     0x5da48c07cede - std::panicking::try::h8ddeca9d705f9069
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   42:     0x5da48c07cede - std::panic::catch_unwind::h49e1c33078844c46
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   43:     0x5da48c07cede - std::thread::Builder::spawn_unchecked_::{{closure}}::h6073db6ff56ad35d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30
[INFO] [stdout]   44:     0x5da48c07cede - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c5a5f3779c774f1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x5da48c10ce8b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf75717d9f28faebf
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   46:     0x5da48c10ce8b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7bd883a5f3c5f3c1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   47:     0x5da48c10ce8b - std::sys::pal::unix::thread::Thread::new::thread_start::hcc78f3943333fa94
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   48:     0x7a89e1ae9ac3 - <unknown>
[INFO] [stdout]   49:     0x7a89e1b7aa04 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests_tensor::test_tensor_product_4
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 29 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c1799177e5e1beb6f60ee9f3258adb89654ea877899bc899f7708fa065d4caae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1799177e5e1beb6f60ee9f3258adb89654ea877899bc899f7708fa065d4caae", kill_on_drop: false }`
[INFO] [stdout] c1799177e5e1beb6f60ee9f3258adb89654ea877899bc899f7708fa065d4caae
