[INFO] cloning repository https://github.com/Lazy-poet/cli-bill-management
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lazy-poet/cli-bill-management" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLazy-poet%2Fcli-bill-management", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLazy-poet%2Fcli-bill-management'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7162073cec87f04b4795dd426c37d6c731df68e
[INFO] linting Lazy-poet/cli-bill-management against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLazy-poet%2Fcli-bill-management" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Lazy-poet/cli-bill-management
[INFO] finished tweaking git repo https://github.com/Lazy-poet/cli-bill-management
[INFO] tweaked toml for git repo https://github.com/Lazy-poet/cli-bill-management written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Lazy-poet/cli-bill-management 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] crate git repo https://github.com/Lazy-poet/cli-bill-management already has a lockfile, it will not be regenerated
[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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a5e1d5da471a2dc362bf2a3ea6f2c5cfb741ba3e61c9cad3d82d59b53b2d31e8
[INFO] running `Command { std: "docker" "start" "-a" "a5e1d5da471a2dc362bf2a3ea6f2c5cfb741ba3e61c9cad3d82d59b53b2d31e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5e1d5da471a2dc362bf2a3ea6f2c5cfb741ba3e61c9cad3d82d59b53b2d31e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5e1d5da471a2dc362bf2a3ea6f2c5cfb741ba3e61c9cad3d82d59b53b2d31e8", kill_on_drop: false }`
[INFO] [stdout] a5e1d5da471a2dc362bf2a3ea6f2c5cfb741ba3e61c9cad3d82d59b53b2d31e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 600fa2bcce33dfa8a0c8e32d0f89f2a8ec5abe323f87f8fedfdb6115aa20313f
[INFO] running `Command { std: "docker" "start" "-a" "600fa2bcce33dfa8a0c8e32d0f89f2a8ec5abe323f87f8fedfdb6115aa20313f", kill_on_drop: false }`
[INFO] [stderr]     Checking bill-management v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/actions.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     return name_copy;
[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] 42 -     return name_copy;
[INFO] [stdout] 42 +     name_copy
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]   --> src/actions.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             match get_input() {
[INFO] [stdout] 31 | |                 Some(amount_input) => {
[INFO] [stdout] 32 | |                     amount = amount_input.parse::<f32>().unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]    = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 30 ~             if let Some(amount_input) = get_input() {
[INFO] [stdout] 31 +                 amount = amount_input.parse::<f32>().unwrap();
[INFO] [stdout] 32 +             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/actions.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 54 |             if !bills.get_mut(&name).is_some() {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `bills.get_mut(&name).is_none()`
[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: this match could be written as a `let` statement
[INFO] [stdout]   --> src/actions.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 | /             match get_input().unwrap() {
[INFO] [stdout] 63 | |                 amount_input => {
[INFO] [stdout] 64 | |                     let amount = amount_input.parse::<f32>().unwrap();
[INFO] [stdout] 65 | |                     bill.update_amount(amount);
[INFO] [stdout] ...  |
[INFO] [stdout] 68 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_single_binding
[INFO] [stdout]    = note: `#[warn(clippy::match_single_binding)]` on by default
[INFO] [stdout] help: consider using a `let` statement
[INFO] [stdout]    |
[INFO] [stdout] 62 ~             let amount_input = get_input().unwrap();
[INFO] [stdout] 63 +             {
[INFO] [stdout] 64 +                 let amount = amount_input.parse::<f32>().unwrap();
[INFO] [stdout] 65 +                 bill.update_amount(amount);
[INFO] [stdout] 66 +                 println!("bill updated successfully")
[INFO] [stdout] 67 +             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/actions.rs:89:16
[INFO] [stdout]    |
[INFO] [stdout] 89 |             if !key.is_some() {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ help: try: `key.is_none()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]   --> src/actions.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | /     match get_input() {
[INFO] [stdout] 76 | |         Some(name) => {
[INFO] [stdout] 77 | |             println!("this is a destructive action and cannot be reversed");
[INFO] [stdout] 78 | |             println!("Do you want to proceed ? (Y / any other key to cancel)");
[INFO] [stdout] ...  |
[INFO] [stdout] 95 | |         _ => (),
[INFO] [stdout] 96 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 75 ~     if let Some(name) = get_input() {
[INFO] [stdout] 76 +         println!("this is a destructive action and cannot be reversed");
[INFO] [stdout] 77 +         println!("Do you want to proceed ? (Y / any other key to cancel)");
[INFO] [stdout] 78 +         match get_input().unwrap() {
[INFO] [stdout] 79 +             input => {
[INFO] [stdout] 80 +                 if input.to_lowercase() != "y" {
[INFO] [stdout] 81 +                     println!("cancelled");
[INFO] [stdout] 82 +                     return;
[INFO] [stdout] 83 +                 }
[INFO] [stdout] 84 +             }
[INFO] [stdout] 85 +         }
[INFO] [stdout] 86 + 
[INFO] [stdout] 87 +         let key = bills.remove(name.as_str());
[INFO] [stdout] 88 +         if !key.is_some() {
[INFO] [stdout] 89 +             println!("User {:?} not found", name)
[INFO] [stdout] 90 +         } else {
[INFO] [stdout] 91 +             println!("{} removed successfully", name)
[INFO] [stdout] 92 +         }
[INFO] [stdout] 93 +     }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this match could be written as a `let` statement
[INFO] [stdout]   --> src/actions.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 | /             match get_input().unwrap() {
[INFO] [stdout] 80 | |                 input => {
[INFO] [stdout] 81 | |                     if input.to_lowercase() != "y" {
[INFO] [stdout] 82 | |                         println!("cancelled");
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_single_binding
[INFO] [stdout] help: consider using a `let` statement
[INFO] [stdout]    |
[INFO] [stdout] 79 ~             let input = get_input().unwrap();
[INFO] [stdout] 80 +             if input.to_lowercase() != "y" {
[INFO] [stdout] 81 +                 println!("cancelled");
[INFO] [stdout] 82 +                 return;
[INFO] [stdout] 83 +             };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]   --> src/utils.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     if input == "" {
[INFO] [stdout]    |        ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `input.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[INFO] [stdout]    = note: `#[warn(clippy::comparison_to_empty)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | /         match get_action() {
[INFO] [stdout] 20 | |             Some(action) => match action {
[INFO] [stdout] 21 | |                 Add => {
[INFO] [stdout] 22 | |                     let new_name = add_bill(&mut bills);
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |             _ => (),
[INFO] [stdout] 41 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 19 ~         if let Some(action) = get_action() { match action {
[INFO] [stdout] 20 +             Add => {
[INFO] [stdout] 21 +                 let new_name = add_bill(&mut bills);
[INFO] [stdout] 22 +                 println!("bill for {} added successully", new_name);
[INFO] [stdout] 23 +             }
[INFO] [stdout] 24 +             View => {
[INFO] [stdout] 25 +                 if bills.len() == 0 {
[INFO] [stdout] 26 +                     println!("There are currently no entries")
[INFO] [stdout] 27 +                 } else {
[INFO] [stdout] 28 +                     println!("here are the registered bills");
[INFO] [stdout] 29 +                     view_bills(&mut bills)
[INFO] [stdout] 30 +                 }
[INFO] [stdout] 31 +             }
[INFO] [stdout] 32 +             Edit => edit_bill(&mut bills),
[INFO] [stdout] 33 +             Remove => remove_bill(&mut bills),
[INFO] [stdout] 34 +             Cancel => {
[INFO] [stdout] 35 +                 println!("thanks for using our service, bye");
[INFO] [stdout] 36 +                 break;
[INFO] [stdout] 37 +             }
[INFO] [stdout] 38 +         } }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/main.rs:26:24
[INFO] [stdout]    |
[INFO] [stdout] 26 |                     if bills.len() == 0 {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `bills.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/actions.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     return name_copy;
[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] 42 -     return name_copy;
[INFO] [stdout] 42 +     name_copy
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]   --> src/actions.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             match get_input() {
[INFO] [stdout] 31 | |                 Some(amount_input) => {
[INFO] [stdout] 32 | |                     amount = amount_input.parse::<f32>().unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]    = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 30 ~             if let Some(amount_input) = get_input() {
[INFO] [stdout] 31 +                 amount = amount_input.parse::<f32>().unwrap();
[INFO] [stdout] 32 +             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/actions.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 54 |             if !bills.get_mut(&name).is_some() {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `bills.get_mut(&name).is_none()`
[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: this match could be written as a `let` statement
[INFO] [stdout]   --> src/actions.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 | /             match get_input().unwrap() {
[INFO] [stdout] 63 | |                 amount_input => {
[INFO] [stdout] 64 | |                     let amount = amount_input.parse::<f32>().unwrap();
[INFO] [stdout] 65 | |                     bill.update_amount(amount);
[INFO] [stdout] ...  |
[INFO] [stdout] 68 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_single_binding
[INFO] [stdout]    = note: `#[warn(clippy::match_single_binding)]` on by default
[INFO] [stdout] help: consider using a `let` statement
[INFO] [stdout]    |
[INFO] [stdout] 62 ~             let amount_input = get_input().unwrap();
[INFO] [stdout] 63 +             {
[INFO] [stdout] 64 +                 let amount = amount_input.parse::<f32>().unwrap();
[INFO] [stdout] 65 +                 bill.update_amount(amount);
[INFO] [stdout] 66 +                 println!("bill updated successfully")
[INFO] [stdout] 67 +             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/actions.rs:89:16
[INFO] [stdout]    |
[INFO] [stdout] 89 |             if !key.is_some() {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ help: try: `key.is_none()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]   --> src/actions.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | /     match get_input() {
[INFO] [stdout] 76 | |         Some(name) => {
[INFO] [stdout] 77 | |             println!("this is a destructive action and cannot be reversed");
[INFO] [stdout] 78 | |             println!("Do you want to proceed ? (Y / any other key to cancel)");
[INFO] [stdout] ...  |
[INFO] [stdout] 95 | |         _ => (),
[INFO] [stdout] 96 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 75 ~     if let Some(name) = get_input() {
[INFO] [stdout] 76 +         println!("this is a destructive action and cannot be reversed");
[INFO] [stdout] 77 +         println!("Do you want to proceed ? (Y / any other key to cancel)");
[INFO] [stdout] 78 +         match get_input().unwrap() {
[INFO] [stdout] 79 +             input => {
[INFO] [stdout] 80 +                 if input.to_lowercase() != "y" {
[INFO] [stdout] 81 +                     println!("cancelled");
[INFO] [stdout] 82 +                     return;
[INFO] [stdout] 83 +                 }
[INFO] [stdout] 84 +             }
[INFO] [stdout] 85 +         }
[INFO] [stdout] 86 + 
[INFO] [stdout] 87 +         let key = bills.remove(name.as_str());
[INFO] [stdout] 88 +         if !key.is_some() {
[INFO] [stdout] 89 +             println!("User {:?} not found", name)
[INFO] [stdout] 90 +         } else {
[INFO] [stdout] 91 +             println!("{} removed successfully", name)
[INFO] [stdout] 92 +         }
[INFO] [stdout] 93 +     }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this match could be written as a `let` statement
[INFO] [stdout]   --> src/actions.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 | /             match get_input().unwrap() {
[INFO] [stdout] 80 | |                 input => {
[INFO] [stdout] 81 | |                     if input.to_lowercase() != "y" {
[INFO] [stdout] 82 | |                         println!("cancelled");
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_single_binding
[INFO] [stdout] help: consider using a `let` statement
[INFO] [stdout]    |
[INFO] [stdout] 79 ~             let input = get_input().unwrap();
[INFO] [stdout] 80 +             if input.to_lowercase() != "y" {
[INFO] [stdout] 81 +                 println!("cancelled");
[INFO] [stdout] 82 +                 return;
[INFO] [stdout] 83 +             };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]   --> src/utils.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     if input == "" {
[INFO] [stdout]    |        ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `input.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[INFO] [stdout]    = note: `#[warn(clippy::comparison_to_empty)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | /         match get_action() {
[INFO] [stdout] 20 | |             Some(action) => match action {
[INFO] [stdout] 21 | |                 Add => {
[INFO] [stdout] 22 | |                     let new_name = add_bill(&mut bills);
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |             _ => (),
[INFO] [stdout] 41 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 19 ~         if let Some(action) = get_action() { match action {
[INFO] [stdout] 20 +             Add => {
[INFO] [stdout] 21 +                 let new_name = add_bill(&mut bills);
[INFO] [stdout] 22 +                 println!("bill for {} added successully", new_name);
[INFO] [stdout] 23 +             }
[INFO] [stdout] 24 +             View => {
[INFO] [stdout] 25 +                 if bills.len() == 0 {
[INFO] [stdout] 26 +                     println!("There are currently no entries")
[INFO] [stdout] 27 +                 } else {
[INFO] [stdout] 28 +                     println!("here are the registered bills");
[INFO] [stdout] 29 +                     view_bills(&mut bills)
[INFO] [stdout] 30 +                 }
[INFO] [stdout] 31 +             }
[INFO] [stdout] 32 +             Edit => edit_bill(&mut bills),
[INFO] [stdout] 33 +             Remove => remove_bill(&mut bills),
[INFO] [stdout] 34 +             Cancel => {
[INFO] [stdout] 35 +                 println!("thanks for using our service, bye");
[INFO] [stdout] 36 +                 break;
[INFO] [stdout] 37 +             }
[INFO] [stdout] 38 +         } }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/main.rs:26:24
[INFO] [stdout]    |
[INFO] [stdout] 26 |                     if bills.len() == 0 {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `bills.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "600fa2bcce33dfa8a0c8e32d0f89f2a8ec5abe323f87f8fedfdb6115aa20313f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "600fa2bcce33dfa8a0c8e32d0f89f2a8ec5abe323f87f8fedfdb6115aa20313f", kill_on_drop: false }`
[INFO] [stdout] 600fa2bcce33dfa8a0c8e32d0f89f2a8ec5abe323f87f8fedfdb6115aa20313f