[INFO] crate nginx-config-mod 0.2.9 is already in cache
[INFO] extracting crate nginx-config-mod 0.2.9 into work/ex/clippy-test-run/sources/stable/reg/nginx-config-mod/0.2.9
[INFO] extracting crate nginx-config-mod 0.2.9 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/nginx-config-mod/0.2.9
[INFO] validating manifest of nginx-config-mod-0.2.9 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 nginx-config-mod-0.2.9 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 nginx-config-mod-0.2.9
[INFO] finished frobbing nginx-config-mod-0.2.9
[INFO] frobbed toml for nginx-config-mod-0.2.9 written to work/ex/clippy-test-run/sources/stable/reg/nginx-config-mod/0.2.9/Cargo.toml
[INFO] started frobbing nginx-config-mod-0.2.9
[INFO] finished frobbing nginx-config-mod-0.2.9
[INFO] frobbed toml for nginx-config-mod-0.2.9 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/nginx-config-mod/0.2.9/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 nginx-config-mod-0.2.9 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/nginx-config-mod/0.2.9:/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] 3ce706f551739ab4ba2ca891da699a4573cb8dfb91dc4a496d185bd3053f6d07
[INFO] running `"docker" "start" "-a" "3ce706f551739ab4ba2ca891da699a4573cb8dfb91dc4a496d185bd3053f6d07"`
[INFO] [stderr]     Checking nginx-config v0.13.2
[INFO] [stderr]     Checking nginx-config-mod v0.2.9 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/checks/proxy_pass.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     return Err(errors);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(errors)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/checks/proxy_pass.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     return Err(errors);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(errors)`
[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: length comparison to zero
[INFO] [stderr]   --> src/config.rs:95:20
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 if dirs.len() > 0 {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!dirs.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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/checks/proxy_pass.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 | /         match dir.item {
[INFO] [stderr] 33 | |             ast::Item::ProxyPass(ref texturl) => {
[INFO] [stderr] 34 | |                 let texturl = texturl.to_string();
[INFO] [stderr] 35 | |                 let url_part = if let Some(off) = texturl.find("$request_uri") {
[INFO] [stderr] ...  |
[INFO] [stderr] 66 | |             _ => {}
[INFO] [stderr] 67 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 32 |         if let ast::Item::ProxyPass(ref texturl) = dir.item {
[INFO] [stderr] 33 |     let texturl = texturl.to_string();
[INFO] [stderr] 34 |     let url_part = if let Some(off) = texturl.find("$request_uri") {
[INFO] [stderr] 35 |         &texturl[..off]
[INFO] [stderr] 36 |     } else {
[INFO] [stderr] 37 |         &texturl
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/config.rs:95:20
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 if dirs.len() > 0 {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!dirs.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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/checks/proxy_pass.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 | /         match dir.item {
[INFO] [stderr] 33 | |             ast::Item::ProxyPass(ref texturl) => {
[INFO] [stderr] 34 | |                 let texturl = texturl.to_string();
[INFO] [stderr] 35 | |                 let url_part = if let Some(off) = texturl.find("$request_uri") {
[INFO] [stderr] ...  |
[INFO] [stderr] 66 | |             _ => {}
[INFO] [stderr] 67 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 32 |         if let ast::Item::ProxyPass(ref texturl) = dir.item {
[INFO] [stderr] 33 |     let texturl = texturl.to_string();
[INFO] [stderr] 34 |     let url_part = if let Some(off) = texturl.find("$request_uri") {
[INFO] [stderr] 35 |         &texturl[..off]
[INFO] [stderr] 36 |     } else {
[INFO] [stderr] 37 |         &texturl
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:160:13
[INFO] [stderr]     |
[INFO] [stderr] 160 |             return Some("");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some("")`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |             return Some(&name[..name.len() - anchor.len()])
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(&name[..name.len() - anchor.len()])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |             return None
[INFO] [stderr]     |             ^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:195:13
[INFO] [stderr]     |
[INFO] [stderr] 195 |             return Some((&name[..prefix], &name[name.len() - suffix..]));
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((&name[..prefix], &name[name.len() - suffix..]))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:198:13
[INFO] [stderr]     |
[INFO] [stderr] 198 |             return Some((&name[..prefix], &name[name.len() - suffix..]));
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((&name[..prefix], &name[name.len() - suffix..]))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:200:13
[INFO] [stderr]     |
[INFO] [stderr] 200 |             return None
[INFO] [stderr]     |             ^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:160:13
[INFO] [stderr]     |
[INFO] [stderr] 160 |             return Some("");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some("")`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |             return Some(&name[..name.len() - anchor.len()])
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(&name[..name.len() - anchor.len()])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |             return None
[INFO] [stderr]     |             ^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:195:13
[INFO] [stderr]     |
[INFO] [stderr] 195 |             return Some((&name[..prefix], &name[name.len() - suffix..]));
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((&name[..prefix], &name[name.len() - suffix..]))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:198:13
[INFO] [stderr]     |
[INFO] [stderr] 198 |             return Some((&name[..prefix], &name[name.len() - suffix..]));
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((&name[..prefix], &name[name.len() - suffix..]))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:200:13
[INFO] [stderr]     |
[INFO] [stderr] 200 |             return None
[INFO] [stderr]     |             ^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:121:32
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let mut pair = s.splitn(2, "=");
[INFO] [stderr]     |                                ^^^ help: try using a char instead: `'='`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:123:8
[INFO] [stderr]     |
[INFO] [stderr] 123 |     if name.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `name.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/bin/nginx_config_mod/modify.rs:133:8
[INFO] [stderr]     |
[INFO] [stderr] 133 |     if dirs.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `dirs.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: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:161:63
[INFO] [stderr]     |
[INFO] [stderr] 161 |         } else if name[..name.len() - anchor.len()].ends_with(".") {
[INFO] [stderr]     |                                                               ^^^ help: try using a char instead: `'.'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:196:61
[INFO] [stderr]     |
[INFO] [stderr] 196 |         } else if cur[..cur.len() - anchor.len()].ends_with(".") {
[INFO] [stderr]     |                                                             ^^^ help: try using a char instead: `'.'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:208:42
[INFO] [stderr]     |
[INFO] [stderr] 208 | fn server_names(cfg: &mut Config, names: &Vec<String>)
[INFO] [stderr]     |                                          ^^^^^^^^^^^^ help: change this to: `&[String]`
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 | /         match dir.item {
[INFO] [stderr] 225 | |             ast::Item::ServerName(ref mut names) => {
[INFO] [stderr] 226 | |                 for name in names {
[INFO] [stderr] 227 | |                     match *name {
[INFO] [stderr] ...   |
[INFO] [stderr] 244 | |             _ => {}
[INFO] [stderr] 245 | |         }
[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] 224 |         if let ast::Item::ServerName(ref mut names) = dir.item {
[INFO] [stderr] 225 |     for name in names {
[INFO] [stderr] 226 |         match *name {
[INFO] [stderr] 227 |             Exact(ref mut n) | Suffix(ref mut n) |
[INFO] [stderr] 228 |             StarSuffix(ref mut n)
[INFO] [stderr] 229 |             => {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:250:48
[INFO] [stderr]     |
[INFO] [stderr] 250 | fn proxy_pass_regexes(cfg: &mut Config, items: &Vec<String>)
[INFO] [stderr]     |                                                ^^^^^^^^^^^^ help: change this to: `&[String]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:267:9
[INFO] [stderr]     |
[INFO] [stderr] 267 | /         match dir.item {
[INFO] [stderr] 268 | |             ast::Item::ProxyPass(ref mut value) => {
[INFO] [stderr] 269 | |                 let mut s = value.to_string();
[INFO] [stderr] 270 | |                 for (regex, repl) in &regexes {
[INFO] [stderr] ...   |
[INFO] [stderr] 278 | |             _ => {}
[INFO] [stderr] 279 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[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] 267 |         if let ast::Item::ProxyPass(ref mut value) = dir.item {
[INFO] [stderr] 268 |     let mut s = value.to_string();
[INFO] [stderr] 269 |     for (regex, repl) in &regexes {
[INFO] [stderr] 270 |         s = regex.replace(s.as_ref(), *repl).to_string();
[INFO] [stderr] 271 |     }
[INFO] [stderr] 272 |     match parse_proxy(&s) {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:287:40
[INFO] [stderr]     |
[INFO] [stderr] 287 | fn if_regexes(cfg: &mut Config, items: &Vec<String>)
[INFO] [stderr]     |                                        ^^^^^^^^^^^^ help: change this to: `&[String]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:320:50
[INFO] [stderr]     |
[INFO] [stderr] 320 | fn rewrite_host_regexes(cfg: &mut Config, items: &Vec<String>)
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^ help: change this to: `&[String]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:337:9
[INFO] [stderr]     |
[INFO] [stderr] 337 | /         match dir.item {
[INFO] [stderr] 338 | |             | ast::Item::Rewrite(ast::Rewrite { ref mut replacement, .. })
[INFO] [stderr] 339 | |             => {
[INFO] [stderr] 340 | |                 let mut s = replacement.to_string();
[INFO] [stderr] ...   |
[INFO] [stderr] 367 | |             _ => {}
[INFO] [stderr] 368 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[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] 337 |         if let ast::Item::Rewrite(ast::Rewrite { ref mut replacement, .. }) = dir.item {
[INFO] [stderr] 338 |     let mut s = replacement.to_string();
[INFO] [stderr] 339 |     if !(s.starts_with("http://") ||
[INFO] [stderr] 340 |          s.starts_with("https://") ||
[INFO] [stderr] 341 |          s.starts_with("$scheme://"))
[INFO] [stderr] 342 |     {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:376:48
[INFO] [stderr]     |
[INFO] [stderr] 376 | fn proxy_pass_mapping(cfg: &mut Config, names: &Vec<String>)
[INFO] [stderr]     |                                                ^^^^^^^^^^^^ help: change this to: `&[String]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:392:9
[INFO] [stderr]     |
[INFO] [stderr] 392 | /         match dir.item {
[INFO] [stderr] 393 | |             ast::Item::ProxyPass(ref mut value) => {
[INFO] [stderr] 394 | |                 let mut s = value.to_string();
[INFO] [stderr] 395 | |                 for (orig, new) in &pnames {
[INFO] [stderr] ...   |
[INFO] [stderr] 407 | |             _ => {}
[INFO] [stderr] 408 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[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] 392 |         if let ast::Item::ProxyPass(ref mut value) = dir.item {
[INFO] [stderr] 393 |     let mut s = value.to_string();
[INFO] [stderr] 394 |     for (orig, new) in &pnames {
[INFO] [stderr] 395 |         s = if let Some((pre, suf)) = proxy_subst(&s, orig) {
[INFO] [stderr] 396 |             format!("{}{}{}", pre, new, suf)
[INFO] [stderr] 397 |         } else {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:416:51
[INFO] [stderr]     |
[INFO] [stderr] 416 | fn replace_listen(dirs: &mut Vec<Directive>, lst: &Vec<Listen>) {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^ help: change this to: `&[Listen]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:417:9
[INFO] [stderr]     |
[INFO] [stderr] 417 |     let ref is_listen = |x: &Directive| matches!(x.item, ast::Item::Listen(..));
[INFO] [stderr]     |     ----^^^^^^^^^^^^^----------------------------------------------------------- help: try: `let is_listen = &(|x: &Directive| matches!(x.item, ast::Item::Listen(..)));`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:484:47
[INFO] [stderr]     |
[INFO] [stderr] 484 |     replace_vars(cfg.directives_mut(), |name| vars.get(name).map(|x| *x));
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `vars.get(name).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/bin/nginx_config_mod/modify.rs:487:8
[INFO] [stderr]     |
[INFO] [stderr] 487 |     if modify.listen.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!modify.listen.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/bin/nginx_config_mod/modify.rs:496:8
[INFO] [stderr]     |
[INFO] [stderr] 496 |     if modify.server_name_mapping.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!modify.server_name_mapping.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/bin/nginx_config_mod/modify.rs:500:8
[INFO] [stderr]     |
[INFO] [stderr] 500 |     if modify.proxy_pass_mapping.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!modify.proxy_pass_mapping.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/bin/nginx_config_mod/modify.rs:504:8
[INFO] [stderr]     |
[INFO] [stderr] 504 |     if modify.proxy_pass_regexes.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!modify.proxy_pass_regexes.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/bin/nginx_config_mod/modify.rs:507:8
[INFO] [stderr]     |
[INFO] [stderr] 507 |     if modify.if_regexes.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!modify.if_regexes.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/bin/nginx_config_mod/modify.rs:510:8
[INFO] [stderr]     |
[INFO] [stderr] 510 |     if modify.rewrite_host_regexes.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!modify.rewrite_host_regexes.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 seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:515:9
[INFO] [stderr]     |
[INFO] [stderr] 515 | /         match &dir.item {
[INFO] [stderr] 516 | |             Item::Include(path) => {
[INFO] [stderr] 517 | |                 let path = path.to_string();
[INFO] [stderr] 518 | |                 let path = Path::new(&path);
[INFO] [stderr] ...   |
[INFO] [stderr] 524 | |             _ => {}
[INFO] [stderr] 525 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[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] 515 |         if let Item::Include(path) = &dir.item {
[INFO] [stderr] 516 |     let path = path.to_string();
[INFO] [stderr] 517 |     let path = Path::new(&path);
[INFO] [stderr] 518 |     if !modify.allow_includes.iter().any(|p| path.starts_with(p)) {
[INFO] [stderr] 519 |         bail!("invalid include path {:?}, allowed: {:?}",
[INFO] [stderr] 520 |             path, &modify.allow_includes);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:528:8
[INFO] [stderr]     |
[INFO] [stderr] 528 |     if modify.replace_by_name.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!modify.replace_by_name.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: large size difference between variants
[INFO] [stderr]   --> src/bin/nginx_config_mod/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     Modify(Modify),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::large_enum_variant)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stderr] help: consider boxing the large fields to reduce the total size of the enum
[INFO] [stderr]    |
[INFO] [stderr] 40 |     Modify(Box<Modify>),
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:121:32
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let mut pair = s.splitn(2, "=");
[INFO] [stderr]     |                                ^^^ help: try using a char instead: `'='`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:123:8
[INFO] [stderr]     |
[INFO] [stderr] 123 |     if name.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `name.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/bin/nginx_config_mod/modify.rs:133:8
[INFO] [stderr]     |
[INFO] [stderr] 133 |     if dirs.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `dirs.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: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:161:63
[INFO] [stderr]     |
[INFO] [stderr] 161 |         } else if name[..name.len() - anchor.len()].ends_with(".") {
[INFO] [stderr]     |                                                               ^^^ help: try using a char instead: `'.'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:196:61
[INFO] [stderr]     |
[INFO] [stderr] 196 |         } else if cur[..cur.len() - anchor.len()].ends_with(".") {
[INFO] [stderr]     |                                                             ^^^ help: try using a char instead: `'.'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:208:42
[INFO] [stderr]     |
[INFO] [stderr] 208 | fn server_names(cfg: &mut Config, names: &Vec<String>)
[INFO] [stderr]     |                                          ^^^^^^^^^^^^ help: change this to: `&[String]`
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 | /         match dir.item {
[INFO] [stderr] 225 | |             ast::Item::ServerName(ref mut names) => {
[INFO] [stderr] 226 | |                 for name in names {
[INFO] [stderr] 227 | |                     match *name {
[INFO] [stderr] ...   |
[INFO] [stderr] 244 | |             _ => {}
[INFO] [stderr] 245 | |         }
[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] 224 |         if let ast::Item::ServerName(ref mut names) = dir.item {
[INFO] [stderr] 225 |     for name in names {
[INFO] [stderr] 226 |         match *name {
[INFO] [stderr] 227 |             Exact(ref mut n) | Suffix(ref mut n) |
[INFO] [stderr] 228 |             StarSuffix(ref mut n)
[INFO] [stderr] 229 |             => {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:250:48
[INFO] [stderr]     |
[INFO] [stderr] 250 | fn proxy_pass_regexes(cfg: &mut Config, items: &Vec<String>)
[INFO] [stderr]     |                                                ^^^^^^^^^^^^ help: change this to: `&[String]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:267:9
[INFO] [stderr]     |
[INFO] [stderr] 267 | /         match dir.item {
[INFO] [stderr] 268 | |             ast::Item::ProxyPass(ref mut value) => {
[INFO] [stderr] 269 | |                 let mut s = value.to_string();
[INFO] [stderr] 270 | |                 for (regex, repl) in &regexes {
[INFO] [stderr] ...   |
[INFO] [stderr] 278 | |             _ => {}
[INFO] [stderr] 279 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[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] 267 |         if let ast::Item::ProxyPass(ref mut value) = dir.item {
[INFO] [stderr] 268 |     let mut s = value.to_string();
[INFO] [stderr] 269 |     for (regex, repl) in &regexes {
[INFO] [stderr] 270 |         s = regex.replace(s.as_ref(), *repl).to_string();
[INFO] [stderr] 271 |     }
[INFO] [stderr] 272 |     match parse_proxy(&s) {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:287:40
[INFO] [stderr]     |
[INFO] [stderr] 287 | fn if_regexes(cfg: &mut Config, items: &Vec<String>)
[INFO] [stderr]     |                                        ^^^^^^^^^^^^ help: change this to: `&[String]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:320:50
[INFO] [stderr]     |
[INFO] [stderr] 320 | fn rewrite_host_regexes(cfg: &mut Config, items: &Vec<String>)
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^ help: change this to: `&[String]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:337:9
[INFO] [stderr]     |
[INFO] [stderr] 337 | /         match dir.item {
[INFO] [stderr] 338 | |             | ast::Item::Rewrite(ast::Rewrite { ref mut replacement, .. })
[INFO] [stderr] 339 | |             => {
[INFO] [stderr] 340 | |                 let mut s = replacement.to_string();
[INFO] [stderr] ...   |
[INFO] [stderr] 367 | |             _ => {}
[INFO] [stderr] 368 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[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] 337 |         if let ast::Item::Rewrite(ast::Rewrite { ref mut replacement, .. }) = dir.item {
[INFO] [stderr] 338 |     let mut s = replacement.to_string();
[INFO] [stderr] 339 |     if !(s.starts_with("http://") ||
[INFO] [stderr] 340 |          s.starts_with("https://") ||
[INFO] [stderr] 341 |          s.starts_with("$scheme://"))
[INFO] [stderr] 342 |     {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:376:48
[INFO] [stderr]     |
[INFO] [stderr] 376 | fn proxy_pass_mapping(cfg: &mut Config, names: &Vec<String>)
[INFO] [stderr]     |                                                ^^^^^^^^^^^^ help: change this to: `&[String]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:392:9
[INFO] [stderr]     |
[INFO] [stderr] 392 | /         match dir.item {
[INFO] [stderr] 393 | |             ast::Item::ProxyPass(ref mut value) => {
[INFO] [stderr] 394 | |                 let mut s = value.to_string();
[INFO] [stderr] 395 | |                 for (orig, new) in &pnames {
[INFO] [stderr] ...   |
[INFO] [stderr] 407 | |             _ => {}
[INFO] [stderr] 408 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[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] 392 |         if let ast::Item::ProxyPass(ref mut value) = dir.item {
[INFO] [stderr] 393 |     let mut s = value.to_string();
[INFO] [stderr] 394 |     for (orig, new) in &pnames {
[INFO] [stderr] 395 |         s = if let Some((pre, suf)) = proxy_subst(&s, orig) {
[INFO] [stderr] 396 |             format!("{}{}{}", pre, new, suf)
[INFO] [stderr] 397 |         } else {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:416:51
[INFO] [stderr]     |
[INFO] [stderr] 416 | fn replace_listen(dirs: &mut Vec<Directive>, lst: &Vec<Listen>) {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^ help: change this to: `&[Listen]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:417:9
[INFO] [stderr]     |
[INFO] [stderr] 417 |     let ref is_listen = |x: &Directive| matches!(x.item, ast::Item::Listen(..));
[INFO] [stderr]     |     ----^^^^^^^^^^^^^----------------------------------------------------------- help: try: `let is_listen = &(|x: &Directive| matches!(x.item, ast::Item::Listen(..)));`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:484:47
[INFO] [stderr]     |
[INFO] [stderr] 484 |     replace_vars(cfg.directives_mut(), |name| vars.get(name).map(|x| *x));
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `vars.get(name).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/bin/nginx_config_mod/modify.rs:487:8
[INFO] [stderr]     |
[INFO] [stderr] 487 |     if modify.listen.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!modify.listen.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/bin/nginx_config_mod/modify.rs:496:8
[INFO] [stderr]     |
[INFO] [stderr] 496 |     if modify.server_name_mapping.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!modify.server_name_mapping.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/bin/nginx_config_mod/modify.rs:500:8
[INFO] [stderr]     |
[INFO] [stderr] 500 |     if modify.proxy_pass_mapping.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!modify.proxy_pass_mapping.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/bin/nginx_config_mod/modify.rs:504:8
[INFO] [stderr]     |
[INFO] [stderr] 504 |     if modify.proxy_pass_regexes.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!modify.proxy_pass_regexes.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/bin/nginx_config_mod/modify.rs:507:8
[INFO] [stderr]     |
[INFO] [stderr] 507 |     if modify.if_regexes.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!modify.if_regexes.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/bin/nginx_config_mod/modify.rs:510:8
[INFO] [stderr]     |
[INFO] [stderr] 510 |     if modify.rewrite_host_regexes.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!modify.rewrite_host_regexes.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 seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:515:9
[INFO] [stderr]     |
[INFO] [stderr] 515 | /         match &dir.item {
[INFO] [stderr] 516 | |             Item::Include(path) => {
[INFO] [stderr] 517 | |                 let path = path.to_string();
[INFO] [stderr] 518 | |                 let path = Path::new(&path);
[INFO] [stderr] ...   |
[INFO] [stderr] 524 | |             _ => {}
[INFO] [stderr] 525 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[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] 515 |         if let Item::Include(path) = &dir.item {
[INFO] [stderr] 516 |     let path = path.to_string();
[INFO] [stderr] 517 |     let path = Path::new(&path);
[INFO] [stderr] 518 |     if !modify.allow_includes.iter().any(|p| path.starts_with(p)) {
[INFO] [stderr] 519 |         bail!("invalid include path {:?}, allowed: {:?}",
[INFO] [stderr] 520 |             path, &modify.allow_includes);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/bin/nginx_config_mod/modify.rs:528:8
[INFO] [stderr]     |
[INFO] [stderr] 528 |     if modify.replace_by_name.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!modify.replace_by_name.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: large size difference between variants
[INFO] [stderr]   --> src/bin/nginx_config_mod/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     Modify(Modify),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::large_enum_variant)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stderr] help: consider boxing the large fields to reduce the total size of the enum
[INFO] [stderr]    |
[INFO] [stderr] 40 |     Modify(Box<Modify>),
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.78s
[INFO] running `"docker" "inspect" "3ce706f551739ab4ba2ca891da699a4573cb8dfb91dc4a496d185bd3053f6d07"`
[INFO] running `"docker" "rm" "-f" "3ce706f551739ab4ba2ca891da699a4573cb8dfb91dc4a496d185bd3053f6d07"`
[INFO] [stdout] 3ce706f551739ab4ba2ca891da699a4573cb8dfb91dc4a496d185bd3053f6d07