[INFO] updating cached repository topheman/rustlang-first-try
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/topheman/rustlang-first-try
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/topheman/rustlang-first-try" "work/ex/clippy-test-run/sources/stable/gh/topheman/rustlang-first-try"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/topheman/rustlang-first-try'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/topheman/rustlang-first-try" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/topheman/rustlang-first-try"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/topheman/rustlang-first-try'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8a668bd2e3a41bd021223c8c2eebeeb278d1f860
[INFO] sha for GitHub repo topheman/rustlang-first-try: 8a668bd2e3a41bd021223c8c2eebeeb278d1f860
[INFO] validating manifest of topheman/rustlang-first-try on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of topheman/rustlang-first-try on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing topheman/rustlang-first-try
[INFO] finished frobbing topheman/rustlang-first-try
[INFO] frobbed toml for topheman/rustlang-first-try written to work/ex/clippy-test-run/sources/stable/gh/topheman/rustlang-first-try/Cargo.toml
[INFO] started frobbing topheman/rustlang-first-try
[INFO] finished frobbing topheman/rustlang-first-try
[INFO] frobbed toml for topheman/rustlang-first-try written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/topheman/rustlang-first-try/Cargo.toml
[INFO] crate topheman/rustlang-first-try has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting topheman/rustlang-first-try against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/topheman/rustlang-first-try:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dclippy::into_iter_on_array" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 084ec50030735393fa7225e1f4d3a95eaa52be8cbec40a469d21643bab35269b
[INFO] running `"docker" "start" "-a" "084ec50030735393fa7225e1f4d3a95eaa52be8cbec40a469d21643bab35269b"`
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking rustlang-first-try v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/hello.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         language: language,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: replace it with: `language`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/help.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         " - First steps with rust ..."
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::print_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/help.rs:14:41
[INFO] [stderr]    |
[INFO] [stderr] 14 |     println!("      {} {}", "$".bold(), "cargo run");
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/help.rs:15:41
[INFO] [stderr]    |
[INFO] [stderr] 15 |     println!("      {} {}", "$".bold(), "cargo run help");
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/help.rs:16:41
[INFO] [stderr]    |
[INFO] [stderr] 16 |     println!("      {} {}", "$".bold(), "cargo run hello");
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/help.rs:19:26
[INFO] [stderr]    |
[INFO] [stderr] 19 |     println!("      {}", "help                          display help");
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/help.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         "hello                         simple hello worlds"
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/help.rs:24:26
[INFO] [stderr]    |
[INFO] [stderr] 24 |     println!("      {}", "string                        testing strings");
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/help.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         "fp                            functional programming patterns"
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/help.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         "smartpointer                  understand smartpointers/deref/drop"
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/string.rs:47:28
[INFO] [stderr]    |
[INFO] [stderr] 47 |             println!("{}", "Unhandled arguments case");
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/string.rs:55:20
[INFO] [stderr]    |
[INFO] [stderr] 55 |     println!("{}", "Help for string");
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/hello.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         language: language,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: replace it with: `language`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/help.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         " - First steps with rust ..."
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::print_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/help.rs:14:41
[INFO] [stderr]    |
[INFO] [stderr] 14 |     println!("      {} {}", "$".bold(), "cargo run");
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/help.rs:15:41
[INFO] [stderr]    |
[INFO] [stderr] 15 |     println!("      {} {}", "$".bold(), "cargo run help");
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/help.rs:16:41
[INFO] [stderr]    |
[INFO] [stderr] 16 |     println!("      {} {}", "$".bold(), "cargo run hello");
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/help.rs:19:26
[INFO] [stderr]    |
[INFO] [stderr] 19 |     println!("      {}", "help                          display help");
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/help.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         "hello                         simple hello worlds"
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/help.rs:24:26
[INFO] [stderr]    |
[INFO] [stderr] 24 |     println!("      {}", "string                        testing strings");
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/help.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         "fp                            functional programming patterns"
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/help.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         "smartpointer                  understand smartpointers/deref/drop"
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/string.rs:47:28
[INFO] [stderr]    |
[INFO] [stderr] 47 |             println!("{}", "Unhandled arguments case");
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]   --> src/string.rs:55:20
[INFO] [stderr]    |
[INFO] [stderr] 55 |     println!("{}", "Help for string");
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/fp.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     return 0;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `0`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hello.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     return 0;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `0`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/help.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     return 0;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `0`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/smartpointer.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     return 0;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `0`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/string.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     return status_code;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `status_code`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/string.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         return s2;
[INFO] [stderr]     |         ^^^^^^^^^^ help: remove `return` as shown: `s2`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     return status_code; // return success statusCode
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `status_code`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/fp.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     return 0;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `0`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/hello.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     return 0;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `0`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/help.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     return 0;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `0`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/smartpointer.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     return 0;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `0`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/string.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     return status_code;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `status_code`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/string.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         return s2;
[INFO] [stderr]     |         ^^^^^^^^^^ help: remove `return` as shown: `s2`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     return status_code; // return success statusCode
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `status_code`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]   --> src/libs/cli.rs:37:30
[INFO] [stderr]    |
[INFO] [stderr] 37 |               Some(subtask) => if *subtask == String::from("help") {
[INFO] [stderr]    |  ______________________________^
[INFO] [stderr] 38 | |                 true
[INFO] [stderr] 39 | |             } else {
[INFO] [stderr] 40 | |                 false
[INFO] [stderr] 41 | |             },
[INFO] [stderr]    | |_____________^ help: you can reduce it to: `*subtask == String::from("help")`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]   --> src/libs/cli.rs:37:33
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Some(subtask) => if *subtask == String::from("help") {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ try implementing the comparison without allocating
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cmp_owned)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `libs::greeter::builder::GreeterBuilder`
[INFO] [stderr]   --> src/libs/greeter.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | /         pub fn new() -> GreeterBuilder {
[INFO] [stderr] 38 | |             GreeterBuilder {
[INFO] [stderr] 39 | |                 language: Language::English,
[INFO] [stderr] 40 | |                 name: String::new(),
[INFO] [stderr] 41 | |             }
[INFO] [stderr] 42 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 36 |     impl Default for libs::greeter::builder::GreeterBuilder {
[INFO] [stderr] 37 |         fn default() -> Self {
[INFO] [stderr] 38 |             Self::new()
[INFO] [stderr] 39 |         }
[INFO] [stderr] 40 |     }
[INFO] [stderr] 41 | 
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/string.rs:144:24
[INFO] [stderr]     |
[INFO] [stderr] 144 | fn calculate_length(s: &String) -> usize {
[INFO] [stderr]     |                        ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:66:28
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn extract_task_args(args: &Vec<String>) -> Vec<&str> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^ help: change this to: `&[String]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]   --> src/libs/cli.rs:37:30
[INFO] [stderr]    |
[INFO] [stderr] 37 |               Some(subtask) => if *subtask == String::from("help") {
[INFO] [stderr]    |  ______________________________^
[INFO] [stderr] 38 | |                 true
[INFO] [stderr] 39 | |             } else {
[INFO] [stderr] 40 | |                 false
[INFO] [stderr] 41 | |             },
[INFO] [stderr]    | |_____________^ help: you can reduce it to: `*subtask == String::from("help")`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]   --> src/libs/cli.rs:37:33
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Some(subtask) => if *subtask == String::from("help") {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ try implementing the comparison without allocating
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cmp_owned)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `libs::greeter::builder::GreeterBuilder`
[INFO] [stderr]   --> src/libs/greeter.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | /         pub fn new() -> GreeterBuilder {
[INFO] [stderr] 38 | |             GreeterBuilder {
[INFO] [stderr] 39 | |                 language: Language::English,
[INFO] [stderr] 40 | |                 name: String::new(),
[INFO] [stderr] 41 | |             }
[INFO] [stderr] 42 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 36 |     impl Default for libs::greeter::builder::GreeterBuilder {
[INFO] [stderr] 37 |         fn default() -> Self {
[INFO] [stderr] 38 |             Self::new()
[INFO] [stderr] 39 |         }
[INFO] [stderr] 40 |     }
[INFO] [stderr] 41 | 
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/string.rs:144:24
[INFO] [stderr]     |
[INFO] [stderr] 144 | fn calculate_length(s: &String) -> usize {
[INFO] [stderr]     |                        ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:66:28
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn extract_task_args(args: &Vec<String>) -> Vec<&str> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^ help: change this to: `&[String]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `"docker" "inspect" "084ec50030735393fa7225e1f4d3a95eaa52be8cbec40a469d21643bab35269b"`
[INFO] running `"docker" "rm" "-f" "084ec50030735393fa7225e1f4d3a95eaa52be8cbec40a469d21643bab35269b"`
[INFO] [stdout] 084ec50030735393fa7225e1f4d3a95eaa52be8cbec40a469d21643bab35269b