[INFO] updating cached repository alex/otp-cop
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alex/otp-cop
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alex/otp-cop" "work/ex/clippy-test-run/sources/stable/gh/alex/otp-cop"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/alex/otp-cop'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alex/otp-cop" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/alex/otp-cop"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/alex/otp-cop'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 33563b44d13f9d3a9026280b15bea7825ccafae8
[INFO] sha for GitHub repo alex/otp-cop: 33563b44d13f9d3a9026280b15bea7825ccafae8
[INFO] validating manifest of alex/otp-cop 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 alex/otp-cop 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 alex/otp-cop
[INFO] finished frobbing alex/otp-cop
[INFO] frobbed toml for alex/otp-cop written to work/ex/clippy-test-run/sources/stable/gh/alex/otp-cop/Cargo.toml
[INFO] started frobbing alex/otp-cop
[INFO] finished frobbing alex/otp-cop
[INFO] frobbed toml for alex/otp-cop written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/alex/otp-cop/Cargo.toml
[INFO] crate alex/otp-cop 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 alex/otp-cop against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/alex/otp-cop:/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" "-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] 1c4348d87e37b2581e347c41b5512a2365a13c3681b209b790bd6cf5db5e1e66
[INFO] running `"docker" "start" "-a" "1c4348d87e37b2581e347c41b5512a2365a13c3681b209b790bd6cf5db5e1e66"`
[INFO] [stderr]     Checking term v0.4.5
[INFO] [stderr]     Checking serde_json v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.2
[INFO] [stderr]     Checking otp-cop v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/github.rs:60:21
[INFO] [stderr]    |
[INFO] [stderr] 60 |                     org: org,
[INFO] [stderr]    |                     ^^^^^^^^ help: replace it with: `org`
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/github.rs:61:21
[INFO] [stderr]    |
[INFO] [stderr] 61 |                     username: username,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^ help: replace it with: `username`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/github.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |                     password: password,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^ help: replace it with: `password`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/slack.rs:49:17
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 token: token
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: replace it with: `token`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/slack.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |             users: users,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `users`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/github.rs:60:21
[INFO] [stderr]    |
[INFO] [stderr] 60 |                     org: org,
[INFO] [stderr]    |                     ^^^^^^^^ help: replace it with: `org`
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/github.rs:61:21
[INFO] [stderr]    |
[INFO] [stderr] 61 |                     username: username,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^ help: replace it with: `username`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/github.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |                     password: password,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^ help: replace it with: `password`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/slack.rs:49:17
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 token: token
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: replace it with: `token`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/slack.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |             users: users,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `users`
[INFO] [stderr]    |
[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: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/github.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 | const DEFAULT_ENDPOINT: &'static str = "https://api.github.com";
[INFO] [stderr]    |                         -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/github.rs:111:17
[INFO] [stderr]     |
[INFO] [stderr] 111 | /                 return Ok(GetUsersResult{
[INFO] [stderr] 112 | |                     service_name: "Github".to_string(),
[INFO] [stderr] 113 | |                     users: result.iter().map(|user| {
[INFO] [stderr] 114 | |                         User{
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |                     }).collect(),
[INFO] [stderr] 120 | |                 });
[INFO] [stderr]     | |___________________^
[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] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 Ok(GetUsersResult{
[INFO] [stderr] 112 |                     service_name: "Github".to_string(),
[INFO] [stderr] 113 |                     users: result.iter().map(|user| {
[INFO] [stderr] 114 |                         User{
[INFO] [stderr] 115 |                             name: user.login.to_string(),
[INFO] [stderr] 116 |                             email: None,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/github.rs:125:17
[INFO] [stderr]     |
[INFO] [stderr] 125 | /                 return Err(GetUsersError{
[INFO] [stderr] 126 | |                     service_name: "Github".to_string(),
[INFO] [stderr] 127 | |                     error_message: format!("{}\n  See {}", result.message, result.documentation_url),
[INFO] [stderr] 128 | |                 });
[INFO] [stderr]     | |___________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 125 |                 Err(GetUsersError{
[INFO] [stderr] 126 |                     service_name: "Github".to_string(),
[INFO] [stderr] 127 |                     error_message: format!("{}\n  See {}", result.message, result.documentation_url),
[INFO] [stderr] 128 |                 })
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/slack.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 | /         return Ok(GetUsersResult{
[INFO] [stderr] 89 | |             service_name: "Slack".to_string(),
[INFO] [stderr] 90 | |             users: users,
[INFO] [stderr] 91 | |         });
[INFO] [stderr]    | |___________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 88 |         Ok(GetUsersResult{
[INFO] [stderr] 89 |             service_name: "Slack".to_string(),
[INFO] [stderr] 90 |             users: users,
[INFO] [stderr] 91 |         })
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/github.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 | const DEFAULT_ENDPOINT: &'static str = "https://api.github.com";
[INFO] [stderr]    |                         -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/github.rs:111:17
[INFO] [stderr]     |
[INFO] [stderr] 111 | /                 return Ok(GetUsersResult{
[INFO] [stderr] 112 | |                     service_name: "Github".to_string(),
[INFO] [stderr] 113 | |                     users: result.iter().map(|user| {
[INFO] [stderr] 114 | |                         User{
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |                     }).collect(),
[INFO] [stderr] 120 | |                 });
[INFO] [stderr]     | |___________________^
[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] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 Ok(GetUsersResult{
[INFO] [stderr] 112 |                     service_name: "Github".to_string(),
[INFO] [stderr] 113 |                     users: result.iter().map(|user| {
[INFO] [stderr] 114 |                         User{
[INFO] [stderr] 115 |                             name: user.login.to_string(),
[INFO] [stderr] 116 |                             email: None,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/github.rs:125:17
[INFO] [stderr]     |
[INFO] [stderr] 125 | /                 return Err(GetUsersError{
[INFO] [stderr] 126 | |                     service_name: "Github".to_string(),
[INFO] [stderr] 127 | |                     error_message: format!("{}\n  See {}", result.message, result.documentation_url),
[INFO] [stderr] 128 | |                 });
[INFO] [stderr]     | |___________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 125 |                 Err(GetUsersError{
[INFO] [stderr] 126 |                     service_name: "Github".to_string(),
[INFO] [stderr] 127 |                     error_message: format!("{}\n  See {}", result.message, result.documentation_url),
[INFO] [stderr] 128 |                 })
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/slack.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 | /         return Ok(GetUsersResult{
[INFO] [stderr] 89 | |             service_name: "Slack".to_string(),
[INFO] [stderr] 90 | |             users: users,
[INFO] [stderr] 91 | |         });
[INFO] [stderr]    | |___________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 88 |         Ok(GetUsersResult{
[INFO] [stderr] 89 |             service_name: "Slack".to_string(),
[INFO] [stderr] 90 |             users: users,
[INFO] [stderr] 91 |         })
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/github.rs:59:40
[INFO] [stderr]    |
[INFO] [stderr] 59 |                     endpoint: endpoint.unwrap_or(DEFAULT_ENDPOINT.to_string()),
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| DEFAULT_ENDPOINT.to_string())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/github.rs:59:40
[INFO] [stderr]    |
[INFO] [stderr] 59 |                     endpoint: endpoint.unwrap_or(DEFAULT_ENDPOINT.to_string()),
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| DEFAULT_ENDPOINT.to_string())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:45:25
[INFO] [stderr]    |
[INFO] [stderr] 45 |     return ParallelIter{count: count, pos: 0, rx: rx};
[INFO] [stderr]    |                         ^^^^^^^^^^^^ help: replace it with: `count`
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:45:47
[INFO] [stderr]    |
[INFO] [stderr] 45 |     return ParallelIter{count: count, pos: 0, rx: rx};
[INFO] [stderr]    |                                               ^^^^^^ help: replace it with: `rx`
[INFO] [stderr]    |
[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: using `println!("")`
[INFO] [stderr]   --> src/main.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 println!("");
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/main.rs:110:21
[INFO] [stderr]     |
[INFO] [stderr] 110 |                     println!("");
[INFO] [stderr]     |                     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/main.rs:111:21
[INFO] [stderr]     |
[INFO] [stderr] 111 |                     println!("");
[INFO] [stderr]     |                     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `writeln!(t, "")`
[INFO] [stderr]    --> src/main.rs:119:17
[INFO] [stderr]     |
[INFO] [stderr] 119 |                 writeln!(t, "").unwrap();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^ help: replace it with: `writeln!(t)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::writeln_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:45:25
[INFO] [stderr]    |
[INFO] [stderr] 45 |     return ParallelIter{count: count, pos: 0, rx: rx};
[INFO] [stderr]    |                         ^^^^^^^^^^^^ help: replace it with: `count`
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:45:47
[INFO] [stderr]    |
[INFO] [stderr] 45 |     return ParallelIter{count: count, pos: 0, rx: rx};
[INFO] [stderr]    |                                               ^^^^^^ help: replace it with: `rx`
[INFO] [stderr]    |
[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: using `println!("")`
[INFO] [stderr]   --> src/main.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 println!("");
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/main.rs:110:21
[INFO] [stderr]     |
[INFO] [stderr] 110 |                     println!("");
[INFO] [stderr]     |                     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/main.rs:111:21
[INFO] [stderr]     |
[INFO] [stderr] 111 |                     println!("");
[INFO] [stderr]     |                     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `writeln!(t, "")`
[INFO] [stderr]    --> src/main.rs:119:17
[INFO] [stderr]     |
[INFO] [stderr] 119 |                 writeln!(t, "").unwrap();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^ help: replace it with: `writeln!(t)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::writeln_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             return self.rx.recv().ok();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.rx.recv().ok()`
[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/main.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             return None;
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[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:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     return ParallelIter{count: count, pos: 0, rx: rx};
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `ParallelIter{count: count, pos: 0, rx: rx}`
[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:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     return c.chars().cycle().take(length).collect::<String>();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `c.chars().cycle().take(length).collect::<String>()`
[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: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]   --> src/main.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |             writeln!(io::stderr(), "{}", e.to_string()).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_write)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]   --> src/main.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 writeln!(io::stderr(), "Missing arguments: {:?}", args).unwrap();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]   --> src/main.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         writeln!(io::stderr(), "{}", opts.usage("otp-cop: <args>")).unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             return self.rx.recv().ok();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.rx.recv().ok()`
[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/main.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             return None;
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[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:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     return ParallelIter{count: count, pos: 0, rx: rx};
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `ParallelIter{count: count, pos: 0, rx: rx}`
[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:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     return c.chars().cycle().take(length).collect::<String>();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `c.chars().cycle().take(length).collect::<String>()`
[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: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]   --> src/main.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |             writeln!(io::stderr(), "{}", e.to_string()).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_write)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]   --> src/main.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 writeln!(io::stderr(), "Missing arguments: {:?}", args).unwrap();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]   --> src/main.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         writeln!(io::stderr(), "{}", opts.usage("otp-cop: <args>")).unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.50s
[INFO] running `"docker" "inspect" "1c4348d87e37b2581e347c41b5512a2365a13c3681b209b790bd6cf5db5e1e66"`
[INFO] running `"docker" "rm" "-f" "1c4348d87e37b2581e347c41b5512a2365a13c3681b209b790bd6cf5db5e1e66"`
[INFO] [stdout] 1c4348d87e37b2581e347c41b5512a2365a13c3681b209b790bd6cf5db5e1e66