[INFO] crate google-iamcredentials1-cli 1.0.8+20181004 is already in cache
[INFO] extracting crate google-iamcredentials1-cli 1.0.8+20181004 into work/ex/clippy-test-run/sources/stable/reg/google-iamcredentials1-cli/1.0.8+20181004
[INFO] extracting crate google-iamcredentials1-cli 1.0.8+20181004 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/google-iamcredentials1-cli/1.0.8+20181004
[INFO] validating manifest of google-iamcredentials1-cli-1.0.8+20181004 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 google-iamcredentials1-cli-1.0.8+20181004 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 google-iamcredentials1-cli-1.0.8+20181004
[INFO] finished frobbing google-iamcredentials1-cli-1.0.8+20181004
[INFO] frobbed toml for google-iamcredentials1-cli-1.0.8+20181004 written to work/ex/clippy-test-run/sources/stable/reg/google-iamcredentials1-cli/1.0.8+20181004/Cargo.toml
[INFO] started frobbing google-iamcredentials1-cli-1.0.8+20181004
[INFO] finished frobbing google-iamcredentials1-cli-1.0.8+20181004
[INFO] frobbed toml for google-iamcredentials1-cli-1.0.8+20181004 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/google-iamcredentials1-cli/1.0.8+20181004/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 google-iamcredentials1-cli-1.0.8+20181004 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/reg/google-iamcredentials1-cli/1.0.8+20181004:/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] ffd913608920f717594f0178b0a00293fd38262dce26075d03c3795cdab58b67
[INFO] running `"docker" "start" "-a" "ffd913608920f717594f0178b0a00293fd38262dce26075d03c3795cdab58b67"`
[INFO] [stderr]     Checking google-iamcredentials1 v1.0.8+20181004
[INFO] [stderr]     Checking google-iamcredentials1-cli v1.0.8+20181004 (/opt/crater/workdir)
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/cmn.rs:661:17
[INFO] [stderr]     |
[INFO] [stderr] 661 |                 write!(f, "Parameter '{}' is unknown.{}\n", param_name, suffix)
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/cmn.rs:702:13
[INFO] [stderr]     |
[INFO] [stderr] 702 |             exit_code: exit_code,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `exit_code`
[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:559:13
[INFO] [stderr]     |
[INFO] [stderr] 559 |             opt: opt,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `opt`
[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 `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]    --> src/cmn.rs:661:17
[INFO] [stderr]     |
[INFO] [stderr] 661 |                 write!(f, "Parameter '{}' is unknown.{}\n", param_name, suffix)
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/cmn.rs:702:13
[INFO] [stderr]     |
[INFO] [stderr] 702 |             exit_code: exit_code,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `exit_code`
[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:559:13
[INFO] [stderr]     |
[INFO] [stderr] 559 |             opt: opt,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `opt`
[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: this if statement can be collapsed
[INFO] [stderr]    --> src/cmn.rs:183:17
[INFO] [stderr]     |
[INFO] [stderr] 183 | /                 if cid == 1 {
[INFO] [stderr] 184 | |                     if first_is_field_sep {
[INFO] [stderr] 185 | |                         fields.truncate(0);
[INFO] [stderr] 186 | |                     }
[INFO] [stderr] 187 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 183 |                 if cid == 1 && first_is_field_sep {
[INFO] [stderr] 184 |     fields.truncate(0);
[INFO] [stderr] 185 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/cmn.rs:348:13
[INFO] [stderr]     |
[INFO] [stderr] 348 |             return (kv, None);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(kv, None)`
[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: this if statement can be collapsed
[INFO] [stderr]    --> src/cmn.rs:183:17
[INFO] [stderr]     |
[INFO] [stderr] 183 | /                 if cid == 1 {
[INFO] [stderr] 184 | |                     if first_is_field_sep {
[INFO] [stderr] 185 | |                         fields.truncate(0);
[INFO] [stderr] 186 | |                     }
[INFO] [stderr] 187 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 183 |                 if cid == 1 && first_is_field_sep {
[INFO] [stderr] 184 |     fields.truncate(0);
[INFO] [stderr] 185 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/cmn.rs:348:13
[INFO] [stderr]     |
[INFO] [stderr] 348 |             return (kv, None);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(kv, None)`
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/cmn.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 | /     match *value {
[INFO] [stderr] 55 | |         Value::Object(ref mut map) => {
[INFO] [stderr] 56 | |             let mut for_removal = Vec::new();
[INFO] [stderr] 57 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 70 | |         _ => {}
[INFO] [stderr] 71 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 54 |     if let Value::Object(ref mut map) = *value {
[INFO] [stderr] 55 |     let mut for_removal = Vec::new();
[INFO] [stderr] 56 | 
[INFO] [stderr] 57 |     for (key, mut value) in map.iter_mut() {
[INFO] [stderr] 58 |         if value.is_null() {
[INFO] [stderr] 59 |             for_removal.push(key.clone());
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/cmn.rs:137:65
[INFO] [stderr]     |
[INFO] [stderr] 137 | fn assure_entry<'a, 'b>(m: &'a mut json::Map<String, Value>, k: &'b String) -> &'a mut Value {
[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: length comparison to zero
[INFO] [stderr]    --> src/cmn.rs:147:12
[INFO] [stderr]     |
[INFO] [stderr] 147 |         if value.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `value.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/cmn.rs:160:16
[INFO] [stderr]     |
[INFO] [stderr] 160 |             if f.len() > 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!f.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/cmn.rs:208:12
[INFO] [stderr]     |
[INFO] [stderr] 208 |         if value.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `value.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/cmn.rs:218:16
[INFO] [stderr]     |
[INFO] [stderr] 218 |             if f.len() > 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!f.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/cmn.rs:242:12
[INFO] [stderr]     |
[INFO] [stderr] 242 |         if &output == value {
[INFO] [stderr]     |            -------^^^^^^^^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            help: use the left value directly: `output`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/cmn.rs:255:17
[INFO] [stderr]     |
[INFO] [stderr] 255 |         assert!(self.0.len() > 0);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.0.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/cmn.rs:716:8
[INFO] [stderr]     |
[INFO] [stderr] 716 |     if trdir.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `trdir.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]    --> src/cmn.rs:721:37
[INFO] [stderr]     |
[INFO] [stderr] 721 |         match env::var("HOME").ok().or(env::var("UserProfile").ok()) {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| env::var("UserProfile").ok())`
[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 call to `new`
[INFO] [stderr]   --> src/main.rs:55:22
[INFO] [stderr]    |
[INFO] [stderr] 55 |         for kvarg in opt.values_of("kv").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `opt.values_of("kv").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]    |
[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: useless use of `vec!`
[INFO] [stderr]   --> src/main.rs:76:73
[INFO] [stderr]    |
[INFO] [stderr] 76 |                         let suggestion = FieldCursor::did_you_mean(key, &vec!["delegates", "lifetime", "scope"]);
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["delegates", "lifetime", "scope"]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_vec)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]   --> src/main.rs:87:21
[INFO] [stderr]    |
[INFO] [stderr] 87 |         for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `opt.values_of("v").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]    |
[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: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/main.rs:102:85
[INFO] [stderr]     |
[INFO] [stderr] 102 |                                                                            v.extend(self.gp.iter().map(|v|*v));
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.gp.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:112:21
[INFO] [stderr]     |
[INFO] [stderr] 112 |             assert!(err.issues.len() == 0);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `err.issues.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/main.rs:113:26
[INFO] [stderr]     |
[INFO] [stderr] 113 |             for scope in self.opt.values_of("url").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.opt.values_of("url").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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 call to `new`
[INFO] [stderr]    --> src/main.rs:142:22
[INFO] [stderr]     |
[INFO] [stderr] 142 |         for kvarg in opt.values_of("kv").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `opt.values_of("kv").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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: useless use of `vec!`
[INFO] [stderr]    --> src/main.rs:163:73
[INFO] [stderr]     |
[INFO] [stderr] 163 |                         let suggestion = FieldCursor::did_you_mean(key, &vec!["audience", "delegates", "include-email"]);
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["audience", "delegates", "include-email"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/main.rs:174:21
[INFO] [stderr]     |
[INFO] [stderr] 174 |         for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `opt.values_of("v").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/main.rs:189:85
[INFO] [stderr]     |
[INFO] [stderr] 189 |                                                                            v.extend(self.gp.iter().map(|v|*v));
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.gp.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:199:21
[INFO] [stderr]     |
[INFO] [stderr] 199 |             assert!(err.issues.len() == 0);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `err.issues.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/main.rs:200:26
[INFO] [stderr]     |
[INFO] [stderr] 200 |             for scope in self.opt.values_of("url").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.opt.values_of("url").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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 call to `new`
[INFO] [stderr]    --> src/main.rs:229:22
[INFO] [stderr]     |
[INFO] [stderr] 229 |         for kvarg in opt.values_of("kv").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `opt.values_of("kv").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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: useless use of `vec!`
[INFO] [stderr]    --> src/main.rs:249:73
[INFO] [stderr]     |
[INFO] [stderr] 249 |                         let suggestion = FieldCursor::did_you_mean(key, &vec!["jwt", "scope"]);
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["jwt", "scope"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/main.rs:260:21
[INFO] [stderr]     |
[INFO] [stderr] 260 |         for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `opt.values_of("v").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/main.rs:275:85
[INFO] [stderr]     |
[INFO] [stderr] 275 |                                                                            v.extend(self.gp.iter().map(|v|*v));
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.gp.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:285:21
[INFO] [stderr]     |
[INFO] [stderr] 285 |             assert!(err.issues.len() == 0);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `err.issues.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/main.rs:312:22
[INFO] [stderr]     |
[INFO] [stderr] 312 |         for kvarg in opt.values_of("kv").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `opt.values_of("kv").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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: useless use of `vec!`
[INFO] [stderr]    --> src/main.rs:332:73
[INFO] [stderr]     |
[INFO] [stderr] 332 |                         let suggestion = FieldCursor::did_you_mean(key, &vec!["delegates", "payload"]);
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["delegates", "payload"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/main.rs:343:21
[INFO] [stderr]     |
[INFO] [stderr] 343 |         for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `opt.values_of("v").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/main.rs:358:85
[INFO] [stderr]     |
[INFO] [stderr] 358 |                                                                            v.extend(self.gp.iter().map(|v|*v));
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.gp.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:368:21
[INFO] [stderr]     |
[INFO] [stderr] 368 |             assert!(err.issues.len() == 0);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `err.issues.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/main.rs:369:26
[INFO] [stderr]     |
[INFO] [stderr] 369 |             for scope in self.opt.values_of("url").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.opt.values_of("url").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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 call to `new`
[INFO] [stderr]    --> src/main.rs:398:22
[INFO] [stderr]     |
[INFO] [stderr] 398 |         for kvarg in opt.values_of("kv").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `opt.values_of("kv").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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: useless use of `vec!`
[INFO] [stderr]    --> src/main.rs:418:73
[INFO] [stderr]     |
[INFO] [stderr] 418 |                         let suggestion = FieldCursor::did_you_mean(key, &vec!["delegates", "payload"]);
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["delegates", "payload"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/main.rs:429:21
[INFO] [stderr]     |
[INFO] [stderr] 429 |         for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `opt.values_of("v").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/main.rs:444:85
[INFO] [stderr]     |
[INFO] [stderr] 444 |                                                                            v.extend(self.gp.iter().map(|v|*v));
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.gp.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:454:21
[INFO] [stderr]     |
[INFO] [stderr] 454 |             assert!(err.issues.len() == 0);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `err.issues.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/main.rs:455:26
[INFO] [stderr]     |
[INFO] [stderr] 455 |             for scope in self.opt.values_of("url").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.opt.values_of("url").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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: length comparison to zero
[INFO] [stderr]    --> src/main.rs:513:16
[INFO] [stderr]     |
[INFO] [stderr] 513 |             if err.issues.len() > 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!err.issues.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:777:20
[INFO] [stderr]     |
[INFO] [stderr] 777 | /                    if let &Some(desc) = desc {
[INFO] [stderr] 778 | |                        scmd = scmd.about(desc);
[INFO] [stderr] 779 | |                    }
[INFO] [stderr]     | |____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 777 |                    if let Some(desc) = *desc {
[INFO] [stderr]     |                           ^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:791:24
[INFO] [stderr]     |
[INFO] [stderr] 791 | /                        if let &Some(short_flag) = flag {
[INFO] [stderr] 792 | |                            arg = arg.short(short_flag);
[INFO] [stderr] 793 | |                        }
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 791 |                        if let Some(short_flag) = *flag {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:794:24
[INFO] [stderr]     |
[INFO] [stderr] 794 | /                        if let &Some(desc) = desc {
[INFO] [stderr] 795 | |                            arg = arg.help(desc);
[INFO] [stderr] 796 | |                        }
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 794 |                        if let Some(desc) = *desc {
[INFO] [stderr]     |                               ^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:800:24
[INFO] [stderr]     |
[INFO] [stderr] 800 | /                        if let &Some(required) = required {
[INFO] [stderr] 801 | |                            arg = arg.required(required);
[INFO] [stderr] 802 | |                        }
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 800 |                        if let Some(required) = *required {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:803:24
[INFO] [stderr]     |
[INFO] [stderr] 803 | /                        if let &Some(multi) = multi {
[INFO] [stderr] 804 | |                            arg = arg.multiple(multi);
[INFO] [stderr] 805 | |                        }
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 803 |                        if let Some(multi) = *multi {
[INFO] [stderr]     |                               ^^^^^^^^^^^   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/cmn.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 | /     match *value {
[INFO] [stderr] 55 | |         Value::Object(ref mut map) => {
[INFO] [stderr] 56 | |             let mut for_removal = Vec::new();
[INFO] [stderr] 57 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 70 | |         _ => {}
[INFO] [stderr] 71 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 54 |     if let Value::Object(ref mut map) = *value {
[INFO] [stderr] 55 |     let mut for_removal = Vec::new();
[INFO] [stderr] 56 | 
[INFO] [stderr] 57 |     for (key, mut value) in map.iter_mut() {
[INFO] [stderr] 58 |         if value.is_null() {
[INFO] [stderr] 59 |             for_removal.push(key.clone());
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/cmn.rs:137:65
[INFO] [stderr]     |
[INFO] [stderr] 137 | fn assure_entry<'a, 'b>(m: &'a mut json::Map<String, Value>, k: &'b String) -> &'a mut Value {
[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: length comparison to zero
[INFO] [stderr]    --> src/cmn.rs:147:12
[INFO] [stderr]     |
[INFO] [stderr] 147 |         if value.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `value.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/cmn.rs:160:16
[INFO] [stderr]     |
[INFO] [stderr] 160 |             if f.len() > 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!f.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/cmn.rs:208:12
[INFO] [stderr]     |
[INFO] [stderr] 208 |         if value.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `value.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/cmn.rs:218:16
[INFO] [stderr]     |
[INFO] [stderr] 218 |             if f.len() > 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!f.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/cmn.rs:242:12
[INFO] [stderr]     |
[INFO] [stderr] 242 |         if &output == value {
[INFO] [stderr]     |            -------^^^^^^^^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            help: use the left value directly: `output`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/cmn.rs:255:17
[INFO] [stderr]     |
[INFO] [stderr] 255 |         assert!(self.0.len() > 0);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.0.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/cmn.rs:716:8
[INFO] [stderr]     |
[INFO] [stderr] 716 |     if trdir.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `trdir.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or` followed by a function call
[INFO] [stderr]    --> src/cmn.rs:721:37
[INFO] [stderr]     |
[INFO] [stderr] 721 |         match env::var("HOME").ok().or(env::var("UserProfile").ok()) {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| env::var("UserProfile").ok())`
[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 call to `new`
[INFO] [stderr]   --> src/main.rs:55:22
[INFO] [stderr]    |
[INFO] [stderr] 55 |         for kvarg in opt.values_of("kv").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `opt.values_of("kv").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]    |
[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: useless use of `vec!`
[INFO] [stderr]   --> src/main.rs:76:73
[INFO] [stderr]    |
[INFO] [stderr] 76 |                         let suggestion = FieldCursor::did_you_mean(key, &vec!["delegates", "lifetime", "scope"]);
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["delegates", "lifetime", "scope"]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_vec)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]   --> src/main.rs:87:21
[INFO] [stderr]    |
[INFO] [stderr] 87 |         for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `opt.values_of("v").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]    |
[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: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/main.rs:102:85
[INFO] [stderr]     |
[INFO] [stderr] 102 |                                                                            v.extend(self.gp.iter().map(|v|*v));
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.gp.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:112:21
[INFO] [stderr]     |
[INFO] [stderr] 112 |             assert!(err.issues.len() == 0);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `err.issues.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/main.rs:113:26
[INFO] [stderr]     |
[INFO] [stderr] 113 |             for scope in self.opt.values_of("url").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.opt.values_of("url").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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 call to `new`
[INFO] [stderr]    --> src/main.rs:142:22
[INFO] [stderr]     |
[INFO] [stderr] 142 |         for kvarg in opt.values_of("kv").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `opt.values_of("kv").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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: useless use of `vec!`
[INFO] [stderr]    --> src/main.rs:163:73
[INFO] [stderr]     |
[INFO] [stderr] 163 |                         let suggestion = FieldCursor::did_you_mean(key, &vec!["audience", "delegates", "include-email"]);
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["audience", "delegates", "include-email"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/main.rs:174:21
[INFO] [stderr]     |
[INFO] [stderr] 174 |         for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `opt.values_of("v").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/main.rs:189:85
[INFO] [stderr]     |
[INFO] [stderr] 189 |                                                                            v.extend(self.gp.iter().map(|v|*v));
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.gp.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:199:21
[INFO] [stderr]     |
[INFO] [stderr] 199 |             assert!(err.issues.len() == 0);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `err.issues.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/main.rs:200:26
[INFO] [stderr]     |
[INFO] [stderr] 200 |             for scope in self.opt.values_of("url").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.opt.values_of("url").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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 call to `new`
[INFO] [stderr]    --> src/main.rs:229:22
[INFO] [stderr]     |
[INFO] [stderr] 229 |         for kvarg in opt.values_of("kv").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `opt.values_of("kv").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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: useless use of `vec!`
[INFO] [stderr]    --> src/main.rs:249:73
[INFO] [stderr]     |
[INFO] [stderr] 249 |                         let suggestion = FieldCursor::did_you_mean(key, &vec!["jwt", "scope"]);
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["jwt", "scope"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/main.rs:260:21
[INFO] [stderr]     |
[INFO] [stderr] 260 |         for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `opt.values_of("v").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/main.rs:275:85
[INFO] [stderr]     |
[INFO] [stderr] 275 |                                                                            v.extend(self.gp.iter().map(|v|*v));
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.gp.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:285:21
[INFO] [stderr]     |
[INFO] [stderr] 285 |             assert!(err.issues.len() == 0);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `err.issues.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/main.rs:312:22
[INFO] [stderr]     |
[INFO] [stderr] 312 |         for kvarg in opt.values_of("kv").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `opt.values_of("kv").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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: useless use of `vec!`
[INFO] [stderr]    --> src/main.rs:332:73
[INFO] [stderr]     |
[INFO] [stderr] 332 |                         let suggestion = FieldCursor::did_you_mean(key, &vec!["delegates", "payload"]);
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["delegates", "payload"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/main.rs:343:21
[INFO] [stderr]     |
[INFO] [stderr] 343 |         for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `opt.values_of("v").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/main.rs:358:85
[INFO] [stderr]     |
[INFO] [stderr] 358 |                                                                            v.extend(self.gp.iter().map(|v|*v));
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.gp.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:368:21
[INFO] [stderr]     |
[INFO] [stderr] 368 |             assert!(err.issues.len() == 0);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `err.issues.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/main.rs:369:26
[INFO] [stderr]     |
[INFO] [stderr] 369 |             for scope in self.opt.values_of("url").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.opt.values_of("url").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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 call to `new`
[INFO] [stderr]    --> src/main.rs:398:22
[INFO] [stderr]     |
[INFO] [stderr] 398 |         for kvarg in opt.values_of("kv").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `opt.values_of("kv").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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: useless use of `vec!`
[INFO] [stderr]    --> src/main.rs:418:73
[INFO] [stderr]     |
[INFO] [stderr] 418 |                         let suggestion = FieldCursor::did_you_mean(key, &vec!["delegates", "payload"]);
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["delegates", "payload"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/main.rs:429:21
[INFO] [stderr]     |
[INFO] [stderr] 429 |         for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `opt.values_of("v").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/main.rs:444:85
[INFO] [stderr]     |
[INFO] [stderr] 444 |                                                                            v.extend(self.gp.iter().map(|v|*v));
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.gp.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:454:21
[INFO] [stderr]     |
[INFO] [stderr] 454 |             assert!(err.issues.len() == 0);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `err.issues.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/main.rs:455:26
[INFO] [stderr]     |
[INFO] [stderr] 455 |             for scope in self.opt.values_of("url").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.opt.values_of("url").map(|i|i.collect()).unwrap_or_default()`
[INFO] [stderr]     |
[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: length comparison to zero
[INFO] [stderr]    --> src/main.rs:513:16
[INFO] [stderr]     |
[INFO] [stderr] 513 |             if err.issues.len() > 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!err.issues.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:777:20
[INFO] [stderr]     |
[INFO] [stderr] 777 | /                    if let &Some(desc) = desc {
[INFO] [stderr] 778 | |                        scmd = scmd.about(desc);
[INFO] [stderr] 779 | |                    }
[INFO] [stderr]     | |____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 777 |                    if let Some(desc) = *desc {
[INFO] [stderr]     |                           ^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:791:24
[INFO] [stderr]     |
[INFO] [stderr] 791 | /                        if let &Some(short_flag) = flag {
[INFO] [stderr] 792 | |                            arg = arg.short(short_flag);
[INFO] [stderr] 793 | |                        }
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 791 |                        if let Some(short_flag) = *flag {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:794:24
[INFO] [stderr]     |
[INFO] [stderr] 794 | /                        if let &Some(desc) = desc {
[INFO] [stderr] 795 | |                            arg = arg.help(desc);
[INFO] [stderr] 796 | |                        }
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 794 |                        if let Some(desc) = *desc {
[INFO] [stderr]     |                               ^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:800:24
[INFO] [stderr]     |
[INFO] [stderr] 800 | /                        if let &Some(required) = required {
[INFO] [stderr] 801 | |                            arg = arg.required(required);
[INFO] [stderr] 802 | |                        }
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 800 |                        if let Some(required) = *required {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:803:24
[INFO] [stderr]     |
[INFO] [stderr] 803 | /                        if let &Some(multi) = multi {
[INFO] [stderr] 804 | |                            arg = arg.multiple(multi);
[INFO] [stderr] 805 | |                        }
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 803 |                        if let Some(multi) = *multi {
[INFO] [stderr]     |                               ^^^^^^^^^^^   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.54s
[INFO] running `"docker" "inspect" "ffd913608920f717594f0178b0a00293fd38262dce26075d03c3795cdab58b67"`
[INFO] running `"docker" "rm" "-f" "ffd913608920f717594f0178b0a00293fd38262dce26075d03c3795cdab58b67"`
[INFO] [stdout] ffd913608920f717594f0178b0a00293fd38262dce26075d03c3795cdab58b67