[INFO] cloning repository https://github.com/Seven0492/calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Seven0492/calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSeven0492%2Fcalculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSeven0492%2Fcalculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 128b40a1c24d7440b3a90b33d92b1d4507cfecec
[INFO] linting Seven0492/calculator against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSeven0492%2Fcalculator" "/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/Seven0492/calculator
[INFO] finished tweaking git repo https://github.com/Seven0492/calculator
[INFO] tweaked toml for git repo https://github.com/Seven0492/calculator written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Seven0492/calculator 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/Seven0492/calculator 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded path-dedot v3.0.18
[INFO] [stderr]   Downloaded path-absolutize v3.0.13
[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] b2f717fc77009e3a7c38e5104f247f6457d33ee195ee515742301fbf32f6c2af
[INFO] running `Command { std: "docker" "start" "-a" "b2f717fc77009e3a7c38e5104f247f6457d33ee195ee515742301fbf32f6c2af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2f717fc77009e3a7c38e5104f247f6457d33ee195ee515742301fbf32f6c2af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f717fc77009e3a7c38e5104f247f6457d33ee195ee515742301fbf32f6c2af", kill_on_drop: false }`
[INFO] [stdout] b2f717fc77009e3a7c38e5104f247f6457d33ee195ee515742301fbf32f6c2af
[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] f13307bdf1297d47ae3a27c1bca7075fbad5d6a799c8095a04904a7888dbf91b
[INFO] running `Command { std: "docker" "start" "-a" "f13307bdf1297d47ae3a27c1bca7075fbad5d6a799c8095a04904a7888dbf91b", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking path-dedot v3.0.18
[INFO] [stderr]     Checking path-absolutize v3.0.13
[INFO] [stderr]     Checking calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: file is loaded as a module multiple times: `src/doc/mod.rs`
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod doc;
[INFO] [stdout]   | ^^^^^^^^ first loaded here
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/iterate/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod doc;
[INFO] [stdout]   | ^^^^^^^^ loaded again here
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/iterate/module/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod doc;
[INFO] [stdout]   | ^^^^^^^^ loaded again here
[INFO] [stdout]   |
[INFO] [stdout]   = help: replace all but one `mod` item with `use` items
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duplicate_mod
[INFO] [stdout]   = note: `#[warn(clippy::duplicate_mod)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `help` is never used
[INFO] [stdout]  --> src/iterate/module/doc.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn help() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` has identical blocks
[INFO] [stdout]   --> src/doc/mod.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |       } else if n == 2 {
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 25 | |         eprintln!(
[INFO] [stdout] 26 | |             "Wrong formatting! Please execute the program without any arguments for documentation"
[INFO] [stdout] 27 | |         );
[INFO] [stdout] 28 | |     } else if n == 3 {
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout] note: same as this
[INFO] [stdout]   --> src/doc/mod.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |       } else if n == 3 {
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 29 | |         eprintln!(
[INFO] [stdout] 30 | |             "Wrong formatting! Please execute the program without any arguments for documentation"
[INFO] [stdout] 31 | |         );
[INFO] [stdout] 32 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stdout]    = note: `#[warn(clippy::if_same_then_else)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` has identical blocks
[INFO] [stdout]   --> src/iterate/doc.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |       } else if n == 2 {
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 25 | |         eprintln!(
[INFO] [stdout] 26 | |             "Wrong formatting! Please execute the program without any arguments for documentation"
[INFO] [stdout] 27 | |         );
[INFO] [stdout] 28 | |     } else if n == 3 {
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout] note: same as this
[INFO] [stdout]   --> src/iterate/doc.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |       } else if n == 3 {
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 29 | |         eprintln!(
[INFO] [stdout] 30 | |             "Wrong formatting! Please execute the program without any arguments for documentation"
[INFO] [stdout] 31 | |         );
[INFO] [stdout] 32 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` has identical blocks
[INFO] [stdout]   --> src/iterate/module/doc.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |       } else if n == 2 {
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 25 | |         eprintln!(
[INFO] [stdout] 26 | |             "Wrong formatting! Please execute the program without any arguments for documentation"
[INFO] [stdout] 27 | |         );
[INFO] [stdout] 28 | |     } else if n == 3 {
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout] note: same as this
[INFO] [stdout]   --> src/iterate/module/doc.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |       } else if n == 3 {
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 29 | |         eprintln!(
[INFO] [stdout] 30 | |             "Wrong formatting! Please execute the program without any arguments for documentation"
[INFO] [stdout] 31 | |         );
[INFO] [stdout] 32 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/iterate/module/mod.rs:28:26
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn make_numset(args: &Vec<String>, i: &usize) -> NumSet {
[INFO] [stdout]    |                          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 28 - pub fn make_numset(args: &Vec<String>, i: &usize) -> NumSet {
[INFO] [stdout] 28 + pub fn make_numset(args: &[String], i: &usize) -> NumSet {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]   --> src/iterate/module/mod.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | /         let numbers = NumSet {
[INFO] [stdout] 31 | |             num1: args[i + 0].clone(),
[INFO] [stdout] 32 | |             symbol: String::new(),
[INFO] [stdout] 33 | |             num2: args[i + 1].clone(),
[INFO] [stdout] 34 | |         };
[INFO] [stdout]    | |__________- unnecessary `let` binding
[INFO] [stdout] 35 |           numbers
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]    = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]    |
[INFO] [stdout] 30 ~         
[INFO] [stdout] 31 ~         NumSet {
[INFO] [stdout] 32 +             num1: args[i + 0].clone(),
[INFO] [stdout] 33 +             symbol: String::new(),
[INFO] [stdout] 34 +             num2: args[i + 1].clone(),
[INFO] [stdout] 35 +         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/iterate/module/mod.rs:31:24
[INFO] [stdout]    |
[INFO] [stdout] 31 |             num1: args[i + 0].clone(),
[INFO] [stdout]    |                        ^^^^^ help: consider reducing it to: `*i`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout]    = note: `#[warn(clippy::identity_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]   --> src/iterate/module/mod.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | /         let numbers = NumSet {
[INFO] [stdout] 38 | |             num1: args[i + 0].clone(),
[INFO] [stdout] 39 | |             symbol: args[i + 1].clone(),
[INFO] [stdout] 40 | |             num2: args[i + 2].clone(),
[INFO] [stdout] 41 | |         };
[INFO] [stdout]    | |__________- unnecessary `let` binding
[INFO] [stdout] 42 |           numbers
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]    |
[INFO] [stdout] 37 ~         
[INFO] [stdout] 38 ~         NumSet {
[INFO] [stdout] 39 +             num1: args[i + 0].clone(),
[INFO] [stdout] 40 +             symbol: args[i + 1].clone(),
[INFO] [stdout] 41 +             num2: args[i + 2].clone(),
[INFO] [stdout] 42 +         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/iterate/module/mod.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 |             num1: args[i + 0].clone(),
[INFO] [stdout]    |                        ^^^^^ help: consider reducing it to: `*i`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/iterate/module/mod.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             print!("\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout]    = note: `#[warn(clippy::print_with_newline)]` on by default
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 58 -             print!("\n");
[INFO] [stdout] 58 +             println!();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/iterate/module/mod.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |             print!("\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 66 -             print!("\n");
[INFO] [stdout] 66 +             println!();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/iterate/module/mod.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |             print!("\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 74 -             print!("\n");
[INFO] [stdout] 74 +             println!();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/iterate/module/mod.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             print!("\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 82 -             print!("\n");
[INFO] [stdout] 82 +             println!();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/iterate/module/mod.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             print!("\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 90 -             print!("\n");
[INFO] [stdout] 90 +             println!();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]   --> src/iterate/mod.rs:86:20
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 if set.num1 == "" {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `set.num1.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: comparison to empty slice
[INFO] [stdout]    --> src/iterate/mod.rs:101:27
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 } else if set.num2 == "" {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `set.num2.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]    --> src/iterate/mod.rs:167:16
[INFO] [stdout]     |
[INFO] [stdout] 167 |             if set.num1 != "" && set.num2 != "" && set.symbol != "" && search_for_symbol == 1 {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!set.num1.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]    --> src/iterate/mod.rs:167:34
[INFO] [stdout]     |
[INFO] [stdout] 167 |             if set.num1 != "" && set.num2 != "" && set.symbol != "" && search_for_symbol == 1 {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!set.num2.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]    --> src/iterate/mod.rs:167:52
[INFO] [stdout]     |
[INFO] [stdout] 167 |             if set.num1 != "" && set.num2 != "" && set.symbol != "" && search_for_symbol == 1 {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!set.symbol.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]    --> src/iterate/mod.rs:186:23
[INFO] [stdout]     |
[INFO] [stdout] 186 |             } else if set.num2 == "" && set.symbol == "" && set.num1 != "" && search_for_symbol == 1
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `set.num2.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]    --> src/iterate/mod.rs:186:41
[INFO] [stdout]     |
[INFO] [stdout] 186 |             } else if set.num2 == "" && set.symbol == "" && set.num1 != "" && search_for_symbol == 1
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `set.symbol.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]    --> src/iterate/mod.rs:186:61
[INFO] [stdout]     |
[INFO] [stdout] 186 |             } else if set.num2 == "" && set.symbol == "" && set.num1 != "" && search_for_symbol == 1
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!set.num1.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |         || !args[0].parse::<f64>().is_ok()
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `args[0].parse::<f64>().is_err()`
[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: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     drop(dir1);
[INFO] [stdout]    |     ^^^^^----^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          argument has type `&std::path::Path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 24 -     drop(dir1);
[INFO] [stdout] 24 +     let _ = dir1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: file is loaded as a module multiple times: `src/doc/mod.rs`
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod doc;
[INFO] [stdout]   | ^^^^^^^^ first loaded here
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/iterate/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod doc;
[INFO] [stdout]   | ^^^^^^^^ loaded again here
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/iterate/module/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod doc;
[INFO] [stdout]   | ^^^^^^^^ loaded again here
[INFO] [stdout]   |
[INFO] [stdout]   = help: replace all but one `mod` item with `use` items
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duplicate_mod
[INFO] [stdout]   = note: `#[warn(clippy::duplicate_mod)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `help` is never used
[INFO] [stdout]  --> src/iterate/module/doc.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn help() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` has identical blocks
[INFO] [stdout]   --> src/doc/mod.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |       } else if n == 2 {
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 25 | |         eprintln!(
[INFO] [stdout] 26 | |             "Wrong formatting! Please execute the program without any arguments for documentation"
[INFO] [stdout] 27 | |         );
[INFO] [stdout] 28 | |     } else if n == 3 {
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout] note: same as this
[INFO] [stdout]   --> src/doc/mod.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |       } else if n == 3 {
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 29 | |         eprintln!(
[INFO] [stdout] 30 | |             "Wrong formatting! Please execute the program without any arguments for documentation"
[INFO] [stdout] 31 | |         );
[INFO] [stdout] 32 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stdout]    = note: `#[warn(clippy::if_same_then_else)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` has identical blocks
[INFO] [stdout]   --> src/iterate/doc.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |       } else if n == 2 {
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 25 | |         eprintln!(
[INFO] [stdout] 26 | |             "Wrong formatting! Please execute the program without any arguments for documentation"
[INFO] [stdout] 27 | |         );
[INFO] [stdout] 28 | |     } else if n == 3 {
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout] note: same as this
[INFO] [stdout]   --> src/iterate/doc.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |       } else if n == 3 {
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 29 | |         eprintln!(
[INFO] [stdout] 30 | |             "Wrong formatting! Please execute the program without any arguments for documentation"
[INFO] [stdout] 31 | |         );
[INFO] [stdout] 32 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` has identical blocks
[INFO] [stdout]   --> src/iterate/module/doc.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |       } else if n == 2 {
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 25 | |         eprintln!(
[INFO] [stdout] 26 | |             "Wrong formatting! Please execute the program without any arguments for documentation"
[INFO] [stdout] 27 | |         );
[INFO] [stdout] 28 | |     } else if n == 3 {
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout] note: same as this
[INFO] [stdout]   --> src/iterate/module/doc.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |       } else if n == 3 {
[INFO] [stdout]    |  ______________________^
[INFO] [stdout] 29 | |         eprintln!(
[INFO] [stdout] 30 | |             "Wrong formatting! Please execute the program without any arguments for documentation"
[INFO] [stdout] 31 | |         );
[INFO] [stdout] 32 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#if_same_then_else
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/iterate/module/mod.rs:28:26
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn make_numset(args: &Vec<String>, i: &usize) -> NumSet {
[INFO] [stdout]    |                          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 28 - pub fn make_numset(args: &Vec<String>, i: &usize) -> NumSet {
[INFO] [stdout] 28 + pub fn make_numset(args: &[String], i: &usize) -> NumSet {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]   --> src/iterate/module/mod.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | /         let numbers = NumSet {
[INFO] [stdout] 31 | |             num1: args[i + 0].clone(),
[INFO] [stdout] 32 | |             symbol: String::new(),
[INFO] [stdout] 33 | |             num2: args[i + 1].clone(),
[INFO] [stdout] 34 | |         };
[INFO] [stdout]    | |__________- unnecessary `let` binding
[INFO] [stdout] 35 |           numbers
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]    = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]    |
[INFO] [stdout] 30 ~         
[INFO] [stdout] 31 ~         NumSet {
[INFO] [stdout] 32 +             num1: args[i + 0].clone(),
[INFO] [stdout] 33 +             symbol: String::new(),
[INFO] [stdout] 34 +             num2: args[i + 1].clone(),
[INFO] [stdout] 35 +         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/iterate/module/mod.rs:31:24
[INFO] [stdout]    |
[INFO] [stdout] 31 |             num1: args[i + 0].clone(),
[INFO] [stdout]    |                        ^^^^^ help: consider reducing it to: `*i`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout]    = note: `#[warn(clippy::identity_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]   --> src/iterate/module/mod.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | /         let numbers = NumSet {
[INFO] [stdout] 38 | |             num1: args[i + 0].clone(),
[INFO] [stdout] 39 | |             symbol: args[i + 1].clone(),
[INFO] [stdout] 40 | |             num2: args[i + 2].clone(),
[INFO] [stdout] 41 | |         };
[INFO] [stdout]    | |__________- unnecessary `let` binding
[INFO] [stdout] 42 |           numbers
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]    |
[INFO] [stdout] 37 ~         
[INFO] [stdout] 38 ~         NumSet {
[INFO] [stdout] 39 +             num1: args[i + 0].clone(),
[INFO] [stdout] 40 +             symbol: args[i + 1].clone(),
[INFO] [stdout] 41 +             num2: args[i + 2].clone(),
[INFO] [stdout] 42 +         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/iterate/module/mod.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 |             num1: args[i + 0].clone(),
[INFO] [stdout]    |                        ^^^^^ help: consider reducing it to: `*i`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/iterate/module/mod.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |             print!("\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout]    = note: `#[warn(clippy::print_with_newline)]` on by default
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 58 -             print!("\n");
[INFO] [stdout] 58 +             println!();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/iterate/module/mod.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |             print!("\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 66 -             print!("\n");
[INFO] [stdout] 66 +             println!();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/iterate/module/mod.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |             print!("\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 74 -             print!("\n");
[INFO] [stdout] 74 +             println!();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/iterate/module/mod.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             print!("\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 82 -             print!("\n");
[INFO] [stdout] 82 +             println!();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `print!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/iterate/module/mod.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             print!("\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stdout] help: use `println!` instead
[INFO] [stdout]    |
[INFO] [stdout] 90 -             print!("\n");
[INFO] [stdout] 90 +             println!();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]   --> src/iterate/mod.rs:86:20
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 if set.num1 == "" {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `set.num1.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: comparison to empty slice
[INFO] [stdout]    --> src/iterate/mod.rs:101:27
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 } else if set.num2 == "" {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `set.num2.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]    --> src/iterate/mod.rs:167:16
[INFO] [stdout]     |
[INFO] [stdout] 167 |             if set.num1 != "" && set.num2 != "" && set.symbol != "" && search_for_symbol == 1 {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!set.num1.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]    --> src/iterate/mod.rs:167:34
[INFO] [stdout]     |
[INFO] [stdout] 167 |             if set.num1 != "" && set.num2 != "" && set.symbol != "" && search_for_symbol == 1 {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!set.num2.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]    --> src/iterate/mod.rs:167:52
[INFO] [stdout]     |
[INFO] [stdout] 167 |             if set.num1 != "" && set.num2 != "" && set.symbol != "" && search_for_symbol == 1 {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!set.symbol.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]    --> src/iterate/mod.rs:186:23
[INFO] [stdout]     |
[INFO] [stdout] 186 |             } else if set.num2 == "" && set.symbol == "" && set.num1 != "" && search_for_symbol == 1
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `set.num2.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]    --> src/iterate/mod.rs:186:41
[INFO] [stdout]     |
[INFO] [stdout] 186 |             } else if set.num2 == "" && set.symbol == "" && set.num1 != "" && search_for_symbol == 1
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `set.symbol.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]    --> src/iterate/mod.rs:186:61
[INFO] [stdout]     |
[INFO] [stdout] 186 |             } else if set.num2 == "" && set.symbol == "" && set.num1 != "" && search_for_symbol == 1
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!set.num1.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] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |         || !args[0].parse::<f64>().is_ok()
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `args[0].parse::<f64>().is_err()`
[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: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     drop(dir1);
[INFO] [stdout]    |     ^^^^^----^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          argument has type `&std::path::Path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 24 -     drop(dir1);
[INFO] [stdout] 24 +     let _ = dir1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "f13307bdf1297d47ae3a27c1bca7075fbad5d6a799c8095a04904a7888dbf91b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f13307bdf1297d47ae3a27c1bca7075fbad5d6a799c8095a04904a7888dbf91b", kill_on_drop: false }`
[INFO] [stdout] f13307bdf1297d47ae3a27c1bca7075fbad5d6a799c8095a04904a7888dbf91b