[INFO] crate google-urlshortener1-cli 1.0.8+20150519 is already in cache [INFO] extracting crate google-urlshortener1-cli 1.0.8+20150519 into work/ex/clippy-test-run/sources/stable/reg/google-urlshortener1-cli/1.0.8+20150519 [INFO] extracting crate google-urlshortener1-cli 1.0.8+20150519 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/google-urlshortener1-cli/1.0.8+20150519 [INFO] validating manifest of google-urlshortener1-cli-1.0.8+20150519 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-urlshortener1-cli-1.0.8+20150519 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-urlshortener1-cli-1.0.8+20150519 [INFO] finished frobbing google-urlshortener1-cli-1.0.8+20150519 [INFO] frobbed toml for google-urlshortener1-cli-1.0.8+20150519 written to work/ex/clippy-test-run/sources/stable/reg/google-urlshortener1-cli/1.0.8+20150519/Cargo.toml [INFO] started frobbing google-urlshortener1-cli-1.0.8+20150519 [INFO] finished frobbing google-urlshortener1-cli-1.0.8+20150519 [INFO] frobbed toml for google-urlshortener1-cli-1.0.8+20150519 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/google-urlshortener1-cli/1.0.8+20150519/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-urlshortener1-cli-1.0.8+20150519 against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/google-urlshortener1-cli/1.0.8+20150519:/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] cb20c586868966cda6f8be90737f1a5f91aa6f46962a07c085f4cf78c7d3f154 [INFO] running `"docker" "start" "-a" "cb20c586868966cda6f8be90737f1a5f91aa6f46962a07c085f4cf78c7d3f154"` [INFO] [stderr] Checking google-urlshortener1 v1.0.8+20150519 [INFO] [stderr] Checking google-urlshortener1-cli v1.0.8+20150519 (/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:338:13 [INFO] [stderr] | [INFO] [stderr] 338 | 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:338:13 [INFO] [stderr] | [INFO] [stderr] 338 | 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, 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:52:21 [INFO] [stderr] | [INFO] [stderr] 52 | 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:70:85 [INFO] [stderr] | [INFO] [stderr] 70 | 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: You are using an explicit closure for cloning elements [INFO] [stderr] --> src/main.rs:71:85 [INFO] [stderr] | [INFO] [stderr] 71 | v.extend(["projection"].iter().map(|v|*v)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `["projection"].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:81:21 [INFO] [stderr] | [INFO] [stderr] 81 | 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:82:26 [INFO] [stderr] | [INFO] [stderr] 82 | 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:111:22 [INFO] [stderr] | [INFO] [stderr] 111 | 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:144:73 [INFO] [stderr] | [INFO] [stderr] 144 | let suggestion = FieldCursor::did_you_mean(key, &vec!["all-time", "analytics", "created", "day", "id", "kind", "long-url", "long-url-clicks", "month", "short-url-clicks", "status", "two-hours", "week"]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["all-time", "analytics", "created", "day", "id", "kind", "long-url", "long-url-clicks", "month", "short-url-clicks", "status", "two-hours", "week"]` [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:155:21 [INFO] [stderr] | [INFO] [stderr] 155 | 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:170:85 [INFO] [stderr] | [INFO] [stderr] 170 | 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:180:21 [INFO] [stderr] | [INFO] [stderr] 180 | 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:181:26 [INFO] [stderr] | [INFO] [stderr] 181 | 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:207:21 [INFO] [stderr] | [INFO] [stderr] 207 | 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:228:85 [INFO] [stderr] | [INFO] [stderr] 228 | 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: You are using an explicit closure for cloning elements [INFO] [stderr] --> src/main.rs:229:85 [INFO] [stderr] | [INFO] [stderr] 229 | v.extend(["start-token", "projection"].iter().map(|v|*v)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `["start-token", "projection"].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:239:21 [INFO] [stderr] | [INFO] [stderr] 239 | 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:240:26 [INFO] [stderr] | [INFO] [stderr] 240 | 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:292:16 [INFO] [stderr] | [INFO] [stderr] 292 | 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:463:20 [INFO] [stderr] | [INFO] [stderr] 463 | / if let &Some(desc) = desc { [INFO] [stderr] 464 | | scmd = scmd.about(desc); [INFO] [stderr] 465 | | } [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] 463 | 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:477:24 [INFO] [stderr] | [INFO] [stderr] 477 | / if let &Some(short_flag) = flag { [INFO] [stderr] 478 | | arg = arg.short(short_flag); [INFO] [stderr] 479 | | } [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] 477 | 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:480:24 [INFO] [stderr] | [INFO] [stderr] 480 | / if let &Some(desc) = desc { [INFO] [stderr] 481 | | arg = arg.help(desc); [INFO] [stderr] 482 | | } [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] 480 | 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:486:24 [INFO] [stderr] | [INFO] [stderr] 486 | / if let &Some(required) = required { [INFO] [stderr] 487 | | arg = arg.required(required); [INFO] [stderr] 488 | | } [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] 486 | 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:489:24 [INFO] [stderr] | [INFO] [stderr] 489 | / if let &Some(multi) = multi { [INFO] [stderr] 490 | | arg = arg.multiple(multi); [INFO] [stderr] 491 | | } [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] 489 | 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, 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:52:21 [INFO] [stderr] | [INFO] [stderr] 52 | 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:70:85 [INFO] [stderr] | [INFO] [stderr] 70 | 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: You are using an explicit closure for cloning elements [INFO] [stderr] --> src/main.rs:71:85 [INFO] [stderr] | [INFO] [stderr] 71 | v.extend(["projection"].iter().map(|v|*v)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `["projection"].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:81:21 [INFO] [stderr] | [INFO] [stderr] 81 | 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:82:26 [INFO] [stderr] | [INFO] [stderr] 82 | 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:111:22 [INFO] [stderr] | [INFO] [stderr] 111 | 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:144:73 [INFO] [stderr] | [INFO] [stderr] 144 | let suggestion = FieldCursor::did_you_mean(key, &vec!["all-time", "analytics", "created", "day", "id", "kind", "long-url", "long-url-clicks", "month", "short-url-clicks", "status", "two-hours", "week"]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["all-time", "analytics", "created", "day", "id", "kind", "long-url", "long-url-clicks", "month", "short-url-clicks", "status", "two-hours", "week"]` [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:155:21 [INFO] [stderr] | [INFO] [stderr] 155 | 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:170:85 [INFO] [stderr] | [INFO] [stderr] 170 | 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:180:21 [INFO] [stderr] | [INFO] [stderr] 180 | 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:181:26 [INFO] [stderr] | [INFO] [stderr] 181 | 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:207:21 [INFO] [stderr] | [INFO] [stderr] 207 | 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:228:85 [INFO] [stderr] | [INFO] [stderr] 228 | 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: You are using an explicit closure for cloning elements [INFO] [stderr] --> src/main.rs:229:85 [INFO] [stderr] | [INFO] [stderr] 229 | v.extend(["start-token", "projection"].iter().map(|v|*v)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `["start-token", "projection"].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:239:21 [INFO] [stderr] | [INFO] [stderr] 239 | 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:240:26 [INFO] [stderr] | [INFO] [stderr] 240 | 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:292:16 [INFO] [stderr] | [INFO] [stderr] 292 | 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:463:20 [INFO] [stderr] | [INFO] [stderr] 463 | / if let &Some(desc) = desc { [INFO] [stderr] 464 | | scmd = scmd.about(desc); [INFO] [stderr] 465 | | } [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] 463 | 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:477:24 [INFO] [stderr] | [INFO] [stderr] 477 | / if let &Some(short_flag) = flag { [INFO] [stderr] 478 | | arg = arg.short(short_flag); [INFO] [stderr] 479 | | } [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] 477 | 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:480:24 [INFO] [stderr] | [INFO] [stderr] 480 | / if let &Some(desc) = desc { [INFO] [stderr] 481 | | arg = arg.help(desc); [INFO] [stderr] 482 | | } [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] 480 | 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:486:24 [INFO] [stderr] | [INFO] [stderr] 486 | / if let &Some(required) = required { [INFO] [stderr] 487 | | arg = arg.required(required); [INFO] [stderr] 488 | | } [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] 486 | 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:489:24 [INFO] [stderr] | [INFO] [stderr] 489 | / if let &Some(multi) = multi { [INFO] [stderr] 490 | | arg = arg.multiple(multi); [INFO] [stderr] 491 | | } [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] 489 | if let Some(multi) = *multi { [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.05s [INFO] running `"docker" "inspect" "cb20c586868966cda6f8be90737f1a5f91aa6f46962a07c085f4cf78c7d3f154"` [INFO] running `"docker" "rm" "-f" "cb20c586868966cda6f8be90737f1a5f91aa6f46962a07c085f4cf78c7d3f154"` [INFO] [stdout] cb20c586868966cda6f8be90737f1a5f91aa6f46962a07c085f4cf78c7d3f154