[INFO] cloning repository https://github.com/Hryapusek/rust-tridiagonal-matrix-vector
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hryapusek/rust-tridiagonal-matrix-vector" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHryapusek%2Frust-tridiagonal-matrix-vector", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHryapusek%2Frust-tridiagonal-matrix-vector'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d012ae522ac7e3e7ecf71156a6d35c22d321b560
[INFO] linting Hryapusek/rust-tridiagonal-matrix-vector against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHryapusek%2Frust-tridiagonal-matrix-vector" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Hryapusek/rust-tridiagonal-matrix-vector
[INFO] finished tweaking git repo https://github.com/Hryapusek/rust-tridiagonal-matrix-vector
[INFO] tweaked toml for git repo https://github.com/Hryapusek/rust-tridiagonal-matrix-vector written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Hryapusek/rust-tridiagonal-matrix-vector on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding nalgebra v0.33.2 (available: v0.34.1)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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_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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47efe6fe60e072b62433733a861f9e33502a7c97c97f80c295e1a8787088b5cb
[INFO] running `Command { std: "docker" "start" "-a" "47efe6fe60e072b62433733a861f9e33502a7c97c97f80c295e1a8787088b5cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47efe6fe60e072b62433733a861f9e33502a7c97c97f80c295e1a8787088b5cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47efe6fe60e072b62433733a861f9e33502a7c97c97f80c295e1a8787088b5cb", kill_on_drop: false }`
[INFO] [stdout] 47efe6fe60e072b62433733a861f9e33502a7c97c97f80c295e1a8787088b5cb
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e05f3b0d593f7cbc4b00a05b2c7c4a1ac2eca12bf7ab061d4705f8c42979b459
[INFO] running `Command { std: "docker" "start" "-a" "e05f3b0d593f7cbc4b00a05b2c7c4a1ac2eca12bf7ab061d4705f8c42979b459", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]     Checking safe_arch v0.7.4
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking wide v0.7.33
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking simba v0.9.1
[INFO] [stderr]    Compiling nalgebra-macros v0.2.2
[INFO] [stderr]     Checking nalgebra v0.33.2
[INFO] [stderr]     Checking lab1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]    --> src/math/solver.rs:203:13
[INFO] [stdout]     |
[INFO] [stdout] 203 |         use rand::Rng;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]   --> src/math/coeff_calculator.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     use std::marker::PhantomData;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]   --> src/math/coeff_calculator.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     use std::marker::PhantomData;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/math/solver.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 |             if !(row.abs_diff(col) <= 1) && (a[(row, col)] != 0.0) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(row.abs_diff(col) > 1)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> src/math/solver.rs:15:49
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn check_if_three_diagonals(a: &DMatrix<Number>) -> () {
[INFO] [stdout]    |                                                 ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]    = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/math/solver.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     return v_arr;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 43 -     return v_arr;
[INFO] [stdout] 43 +     v_arr
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/math/solver.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     return u_arr;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 64 -     return u_arr;
[INFO] [stdout] 64 +     u_arr
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/math/solver.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     return x_arr;
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 106 -     return x_arr;
[INFO] [stdout] 106 +     x_arr
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/math/solver.rs:208:13
[INFO] [stdout]     |
[INFO] [stdout] 208 |             return a * x_arr;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 208 -             return a * x_arr;
[INFO] [stdout] 208 +             a * x_arr
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/math/solver.rs:224:41
[INFO] [stdout]     |
[INFO] [stdout] 224 |             let example_b = calculate_b(&a, &example_x);
[INFO] [stdout]     |                                         ^^ help: change this to: `a`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/math/solver.rs:224:45
[INFO] [stdout]     |
[INFO] [stdout] 224 |             let example_b = calculate_b(&a, &example_x);
[INFO] [stdout]     |                                             ^^^^^^^^^^ help: change this to: `example_x`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/math/solver.rs:225:28
[INFO] [stdout]     |
[INFO] [stdout] 225 |             print_equation(&a, &example_x, &example_b);
[INFO] [stdout]     |                            ^^ help: change this to: `a`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/math/solver.rs:225:32
[INFO] [stdout]     |
[INFO] [stdout] 225 |             print_equation(&a, &example_x, &example_b);
[INFO] [stdout]     |                                ^^^^^^^^^^ help: change this to: `example_x`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/math/solver.rs:226:33
[INFO] [stdout]     |
[INFO] [stdout] 226 |             let solve_x = solve(&a, &example_b);
[INFO] [stdout]     |                                 ^^ help: change this to: `a`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `println!` args
[INFO] [stdout]    --> src/math/solver.rs:227:49
[INFO] [stdout]     |
[INFO] [stdout] 227 |             println!("Calculated X: {}", solve_x.to_string());
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout]     = note: `#[warn(clippy::to_string_in_format_args)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `println!` args
[INFO] [stdout]    --> src/math/solver.rs:228:49
[INFO] [stdout]     |
[INFO] [stdout] 228 |             println!("Expected X: {}", example_x.to_string());
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> src/main.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let (A, g) = math::coeff_calculator::matrix_building::build_tridiagonal_matrix(&coeff_calculator_v);
[INFO] [stdout]    |          ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/math/solver.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 |             if !(row.abs_diff(col) <= 1) && (a[(row, col)] != 0.0) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(row.abs_diff(col) > 1)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded unit return type
[INFO] [stdout]   --> src/math/solver.rs:15:49
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn check_if_three_diagonals(a: &DMatrix<Number>) -> () {
[INFO] [stdout]    |                                                 ^^^^^^ help: remove the `-> ()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stdout]    = note: `#[warn(clippy::unused_unit)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/math/solver.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     return v_arr;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 43 -     return v_arr;
[INFO] [stdout] 43 +     v_arr
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/math/solver.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     return u_arr;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 64 -     return u_arr;
[INFO] [stdout] 64 +     u_arr
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/math/solver.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     return x_arr;
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 106 -     return x_arr;
[INFO] [stdout] 106 +     x_arr
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/math/solver.rs:208:13
[INFO] [stdout]     |
[INFO] [stdout] 208 |             return a * x_arr;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 208 -             return a * x_arr;
[INFO] [stdout] 208 +             a * x_arr
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/math/solver.rs:224:41
[INFO] [stdout]     |
[INFO] [stdout] 224 |             let example_b = calculate_b(&a, &example_x);
[INFO] [stdout]     |                                         ^^ help: change this to: `a`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/math/solver.rs:224:45
[INFO] [stdout]     |
[INFO] [stdout] 224 |             let example_b = calculate_b(&a, &example_x);
[INFO] [stdout]     |                                             ^^^^^^^^^^ help: change this to: `example_x`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/math/solver.rs:225:28
[INFO] [stdout]     |
[INFO] [stdout] 225 |             print_equation(&a, &example_x, &example_b);
[INFO] [stdout]     |                            ^^ help: change this to: `a`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/math/solver.rs:225:32
[INFO] [stdout]     |
[INFO] [stdout] 225 |             print_equation(&a, &example_x, &example_b);
[INFO] [stdout]     |                                ^^^^^^^^^^ help: change this to: `example_x`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/math/solver.rs:226:33
[INFO] [stdout]     |
[INFO] [stdout] 226 |             let solve_x = solve(&a, &example_b);
[INFO] [stdout]     |                                 ^^ help: change this to: `a`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `println!` args
[INFO] [stdout]    --> src/math/solver.rs:227:49
[INFO] [stdout]     |
[INFO] [stdout] 227 |             println!("Calculated X: {}", solve_x.to_string());
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout]     = note: `#[warn(clippy::to_string_in_format_args)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `println!` args
[INFO] [stdout]    --> src/math/solver.rs:228:49
[INFO] [stdout]     |
[INFO] [stdout] 228 |             println!("Expected X: {}", example_x.to_string());
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> src/main.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let (A, g) = math::coeff_calculator::matrix_building::build_tridiagonal_matrix(&coeff_calculator_v);
[INFO] [stdout]    |          ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.40s
[INFO] running `Command { std: "docker" "inspect" "e05f3b0d593f7cbc4b00a05b2c7c4a1ac2eca12bf7ab061d4705f8c42979b459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05f3b0d593f7cbc4b00a05b2c7c4a1ac2eca12bf7ab061d4705f8c42979b459", kill_on_drop: false }`
[INFO] [stdout] e05f3b0d593f7cbc4b00a05b2c7c4a1ac2eca12bf7ab061d4705f8c42979b459