[INFO] crate linux_ip 0.1.0 is already in cache
[INFO] extracting crate linux_ip 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/linux_ip/0.1.0
[INFO] extracting crate linux_ip 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/linux_ip/0.1.0
[INFO] validating manifest of linux_ip-0.1.0 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 linux_ip-0.1.0 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 linux_ip-0.1.0
[INFO] finished frobbing linux_ip-0.1.0
[INFO] frobbed toml for linux_ip-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/linux_ip/0.1.0/Cargo.toml
[INFO] started frobbing linux_ip-0.1.0
[INFO] finished frobbing linux_ip-0.1.0
[INFO] frobbed toml for linux_ip-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/linux_ip/0.1.0/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 linux_ip-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/linux_ip/0.1.0:/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] 62ee0b9d526569a57b7a849f9f84d1b48b3633d811091b468e5ebef16eb672b9
[INFO] running `"docker" "start" "-a" "62ee0b9d526569a57b7a849f9f84d1b48b3633d811091b468e5ebef16eb672b9"`
[INFO] [stderr]     Checking linux_ip v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/route.rs:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 |             via: via,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `via`
[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/route.rs:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 |             via: via,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `via`
[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: unneeded return statement
[INFO] [stderr]   --> src/addr.rs:40:7
[INFO] [stderr]    |
[INFO] [stderr] 40 |       return ret
[INFO] [stderr]    |       ^^^^^^^^^^ help: remove `return` as shown: `ret`
[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/addr.rs:57:6
[INFO] [stderr]    |
[INFO] [stderr] 57 |      return self.interfaces.len() - 1;
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.interfaces.len() - 1`
[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/addr.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     return ret;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `ret`
[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/addr.rs:121:3
[INFO] [stderr]     |
[INFO] [stderr] 121 |   return ip_addr
[INFO] [stderr]     |   ^^^^^^^^^^^^^^ help: remove `return` as shown: `ip_addr`
[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/addr.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     return parse_from_string(&String::from_utf8_lossy(&out.stdout).into_owned())
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `parse_from_string(&String::from_utf8_lossy(&out.stdout).into_owned())`
[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/route.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         return options;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `options`
[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/route.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         return ret;
[INFO] [stderr]    |         ^^^^^^^^^^^ help: remove `return` as shown: `ret`
[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/route.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         return self.routes.len();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.routes.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/route.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         return self.interfaces.get(&name.to_string());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.interfaces.get(&name.to_string())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/route.rs:141:24
[INFO] [stderr]     |
[INFO] [stderr] 141 |                   } else {
[INFO] [stderr]     |  ________________________^
[INFO] [stderr] 142 | |                     if re_via_m.is_match(line) {
[INFO] [stderr] 143 | |                         for cap in re_via_m.captures_iter(line) {
[INFO] [stderr] 144 | |                             ip_route.add_via(cap.at(3).unwrap(),
[INFO] [stderr] ...   |
[INFO] [stderr] 168 | |                     }
[INFO] [stderr] 169 | |                 }
[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] 141 |                 } else if re_via_m.is_match(line) {
[INFO] [stderr] 142 |     for cap in re_via_m.captures_iter(line) {
[INFO] [stderr] 143 |         ip_route.add_via(cap.at(3).unwrap(),
[INFO] [stderr] 144 |                          cap.at(1).unwrap(),
[INFO] [stderr] 145 |                          Some(cap.at(2).unwrap().to_string()),
[INFO] [stderr] 146 |                          cap.at(4).unwrap())
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/route.rs:149:28
[INFO] [stderr]     |
[INFO] [stderr] 149 |                       } else {
[INFO] [stderr]     |  ____________________________^
[INFO] [stderr] 150 | |                         if re_direct_m.is_match(line) {
[INFO] [stderr] 151 | |                             for cap in re_direct_m.captures_iter(line) {
[INFO] [stderr] 152 | |                                 ip_route.add_via(cap.at(1).unwrap(), cap.at(2).unwrap(), None, &"")
[INFO] [stderr] ...   |
[INFO] [stderr] 167 | |                         }
[INFO] [stderr] 168 | |                     }
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[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] 149 |                     } else if re_direct_m.is_match(line) {
[INFO] [stderr] 150 |     for cap in re_direct_m.captures_iter(line) {
[INFO] [stderr] 151 |         ip_route.add_via(cap.at(1).unwrap(), cap.at(2).unwrap(), None, &"")
[INFO] [stderr] 152 |     }
[INFO] [stderr] 153 | } else {
[INFO] [stderr] 154 |     if re_unreachable_m.is_match(line) {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/route.rs:154:32
[INFO] [stderr]     |
[INFO] [stderr] 154 |                           } else {
[INFO] [stderr]     |  ________________________________^
[INFO] [stderr] 155 | |                             if re_unreachable_m.is_match(line) {
[INFO] [stderr] 156 | |                                 for cap in re_unreachable_m.captures_iter(line) {
[INFO] [stderr] 157 | |                                     ip_route.add_dev(cap.at(3).unwrap(),
[INFO] [stderr] ...   |
[INFO] [stderr] 166 | |                             }
[INFO] [stderr] 167 | |                         }
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[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] 154 |                         } else if re_unreachable_m.is_match(line) {
[INFO] [stderr] 155 |     for cap in re_unreachable_m.captures_iter(line) {
[INFO] [stderr] 156 |         ip_route.add_dev(cap.at(3).unwrap(),
[INFO] [stderr] 157 |                          cap.at(2).unwrap(),
[INFO] [stderr] 158 |                          format!("{} {}",
[INFO] [stderr] 159 |                                  &cap.at(2).unwrap(),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/route.rs:181:5
[INFO] [stderr]     |
[INFO] [stderr] 181 | /     return parse_from_string(format!("{}{}",
[INFO] [stderr] 182 | |                                      &String::from_utf8_lossy(&out_4.stdout).into_owned(),
[INFO] [stderr] 183 | |                                      &String::from_utf8_lossy(&out_6.stdout).into_owned())
[INFO] [stderr] 184 | |         .as_str());
[INFO] [stderr]     | |___________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 181 |     parse_from_string(format!("{}{}",
[INFO] [stderr] 182 |                                      &String::from_utf8_lossy(&out_4.stdout).into_owned(),
[INFO] [stderr] 183 |                                      &String::from_utf8_lossy(&out_6.stdout).into_owned())
[INFO] [stderr] 184 |         .as_str())
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/addr.rs:40:7
[INFO] [stderr]    |
[INFO] [stderr] 40 |       return ret
[INFO] [stderr]    |       ^^^^^^^^^^ help: remove `return` as shown: `ret`
[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/addr.rs:57:6
[INFO] [stderr]    |
[INFO] [stderr] 57 |      return self.interfaces.len() - 1;
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.interfaces.len() - 1`
[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/addr.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     return ret;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `ret`
[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/addr.rs:121:3
[INFO] [stderr]     |
[INFO] [stderr] 121 |   return ip_addr
[INFO] [stderr]     |   ^^^^^^^^^^^^^^ help: remove `return` as shown: `ip_addr`
[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/addr.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     return parse_from_string(&String::from_utf8_lossy(&out.stdout).into_owned())
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `parse_from_string(&String::from_utf8_lossy(&out.stdout).into_owned())`
[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/route.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         return options;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `options`
[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/route.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         return ret;
[INFO] [stderr]    |         ^^^^^^^^^^^ help: remove `return` as shown: `ret`
[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/route.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         return self.routes.len();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.routes.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/route.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 |         return self.interfaces.get(&name.to_string());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.interfaces.get(&name.to_string())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/route.rs:141:24
[INFO] [stderr]     |
[INFO] [stderr] 141 |                   } else {
[INFO] [stderr]     |  ________________________^
[INFO] [stderr] 142 | |                     if re_via_m.is_match(line) {
[INFO] [stderr] 143 | |                         for cap in re_via_m.captures_iter(line) {
[INFO] [stderr] 144 | |                             ip_route.add_via(cap.at(3).unwrap(),
[INFO] [stderr] ...   |
[INFO] [stderr] 168 | |                     }
[INFO] [stderr] 169 | |                 }
[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] 141 |                 } else if re_via_m.is_match(line) {
[INFO] [stderr] 142 |     for cap in re_via_m.captures_iter(line) {
[INFO] [stderr] 143 |         ip_route.add_via(cap.at(3).unwrap(),
[INFO] [stderr] 144 |                          cap.at(1).unwrap(),
[INFO] [stderr] 145 |                          Some(cap.at(2).unwrap().to_string()),
[INFO] [stderr] 146 |                          cap.at(4).unwrap())
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/route.rs:149:28
[INFO] [stderr]     |
[INFO] [stderr] 149 |                       } else {
[INFO] [stderr]     |  ____________________________^
[INFO] [stderr] 150 | |                         if re_direct_m.is_match(line) {
[INFO] [stderr] 151 | |                             for cap in re_direct_m.captures_iter(line) {
[INFO] [stderr] 152 | |                                 ip_route.add_via(cap.at(1).unwrap(), cap.at(2).unwrap(), None, &"")
[INFO] [stderr] ...   |
[INFO] [stderr] 167 | |                         }
[INFO] [stderr] 168 | |                     }
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[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] 149 |                     } else if re_direct_m.is_match(line) {
[INFO] [stderr] 150 |     for cap in re_direct_m.captures_iter(line) {
[INFO] [stderr] 151 |         ip_route.add_via(cap.at(1).unwrap(), cap.at(2).unwrap(), None, &"")
[INFO] [stderr] 152 |     }
[INFO] [stderr] 153 | } else {
[INFO] [stderr] 154 |     if re_unreachable_m.is_match(line) {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/route.rs:154:32
[INFO] [stderr]     |
[INFO] [stderr] 154 |                           } else {
[INFO] [stderr]     |  ________________________________^
[INFO] [stderr] 155 | |                             if re_unreachable_m.is_match(line) {
[INFO] [stderr] 156 | |                                 for cap in re_unreachable_m.captures_iter(line) {
[INFO] [stderr] 157 | |                                     ip_route.add_dev(cap.at(3).unwrap(),
[INFO] [stderr] ...   |
[INFO] [stderr] 166 | |                             }
[INFO] [stderr] 167 | |                         }
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[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] 154 |                         } else if re_unreachable_m.is_match(line) {
[INFO] [stderr] 155 |     for cap in re_unreachable_m.captures_iter(line) {
[INFO] [stderr] 156 |         ip_route.add_dev(cap.at(3).unwrap(),
[INFO] [stderr] 157 |                          cap.at(2).unwrap(),
[INFO] [stderr] 158 |                          format!("{} {}",
[INFO] [stderr] 159 |                                  &cap.at(2).unwrap(),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/route.rs:181:5
[INFO] [stderr]     |
[INFO] [stderr] 181 | /     return parse_from_string(format!("{}{}",
[INFO] [stderr] 182 | |                                      &String::from_utf8_lossy(&out_4.stdout).into_owned(),
[INFO] [stderr] 183 | |                                      &String::from_utf8_lossy(&out_6.stdout).into_owned())
[INFO] [stderr] 184 | |         .as_str());
[INFO] [stderr]     | |___________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 181 |     parse_from_string(format!("{}{}",
[INFO] [stderr] 182 |                                      &String::from_utf8_lossy(&out_4.stdout).into_owned(),
[INFO] [stderr] 183 |                                      &String::from_utf8_lossy(&out_6.stdout).into_owned())
[INFO] [stderr] 184 |         .as_str())
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/addr.rs:23:44
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn set_mac_address(&mut self, mac: &String) {
[INFO] [stderr]    |                                            ^^^^^^^
[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] help: change this to
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn set_mac_address(&mut self, mac: &str) {
[INFO] [stderr]    |                                            ^^^^
[INFO] [stderr] help: change `mac.clone()` to
[INFO] [stderr]    |
[INFO] [stderr] 24 |         self.mac_address = Some(mac.to_string());
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/addr.rs:50:41
[INFO] [stderr]    |
[INFO] [stderr] 50 |   pub fn add_interface(&mut self, name: &String) -> usize {
[INFO] [stderr]    |                                         ^^^^^^^ help: change this to: `&str`
[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 `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/addr.rs:91:33
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub fn parse_from_string(lines: &String) -> IpAddr {
[INFO] [stderr]    |                                 ^^^^^^^ help: change this to: `&str`
[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: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/route.rs:44:42
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 let x = self.via.clone().unwrap_or("".to_string());
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "".to_string())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/route.rs:86:47
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let _vec = self.interfaces.entry(key).or_insert(Vec::new());
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(Vec::new)`
[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: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/addr.rs:23:44
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn set_mac_address(&mut self, mac: &String) {
[INFO] [stderr]    |                                            ^^^^^^^
[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] help: change this to
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn set_mac_address(&mut self, mac: &str) {
[INFO] [stderr]    |                                            ^^^^
[INFO] [stderr] help: change `mac.clone()` to
[INFO] [stderr]    |
[INFO] [stderr] 24 |         self.mac_address = Some(mac.to_string());
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/addr.rs:50:41
[INFO] [stderr]    |
[INFO] [stderr] 50 |   pub fn add_interface(&mut self, name: &String) -> usize {
[INFO] [stderr]    |                                         ^^^^^^^ help: change this to: `&str`
[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 `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/addr.rs:91:33
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub fn parse_from_string(lines: &String) -> IpAddr {
[INFO] [stderr]    |                                 ^^^^^^^ help: change this to: `&str`
[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: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/route.rs:44:42
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 let x = self.via.clone().unwrap_or("".to_string());
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "".to_string())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/route.rs:86:47
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let _vec = self.interfaces.entry(key).or_insert(Vec::new());
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(Vec::new)`
[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: unneeded return statement
[INFO] [stderr]   --> tests/test_linux_ip_addr.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         return s
[INFO] [stderr]    |         ^^^^^^^^ help: remove `return` as shown: `s`
[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: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`.
[INFO] [stderr]   --> tests/test_linux_ip_addr.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |     assert!(ip_addr.as_commands("add").iter().find(|s| *s == "ip addr add fe80::d227:88ff:fed1:16d/64 dev p1p1.402").is_some());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::search_is_some)] on by default
[INFO] [stderr]    = note: replace `find(|s| *s == "ip addr add fe80::d227:88ff:fed1:16d/64 dev p1p1.402").is_some()` with `any(|s| *s == "ip addr add fe80::d227:88ff:fed1:16d/64 dev p1p1.402")`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#search_is_some
[INFO] [stderr] 
[INFO] [stderr] warning: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`.
[INFO] [stderr]   --> tests/test_linux_ip_addr.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |     assert!(ip_addr.as_commands("del").iter().find(|s| *s == "ip addr del 10.1.0.11/16 dev br110").is_some());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: replace `find(|s| *s == "ip addr del 10.1.0.11/16 dev br110").is_some()` with `any(|s| *s == "ip addr del 10.1.0.11/16 dev br110")`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#search_is_some
[INFO] [stderr] 
[INFO] [stderr] warning: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`.
[INFO] [stderr]   --> tests/test_linux_ip_addr.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |     assert!(ip_addr.as_commands("del").iter().find(|s| *s == "ip addr del 47.11.1.1/26 dev eth0").is_some())
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: replace `find(|s| *s == "ip addr del 47.11.1.1/26 dev eth0").is_some()` with `any(|s| *s == "ip addr del 47.11.1.1/26 dev eth0")`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#search_is_some
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> tests/test_linux_ip_route.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         return s;
[INFO] [stderr]    |         ^^^^^^^^^ help: remove `return` as shown: `s`
[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]   --> tests/test_linux_ip_route.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         return s;
[INFO] [stderr]    |         ^^^^^^^^^ help: remove `return` as shown: `s`
[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: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> tests/test_linux_ip_route.rs:35:20
[INFO] [stderr]    |
[INFO] [stderr] 35 |                    ip_route.interfaces.get("eth2.1718").unwrap().first().unwrap().dev);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&ip_route.interfaces["eth2.1718"]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> tests/test_linux_ip_route.rs:37:23
[INFO] [stderr]    |
[INFO] [stderr] 37 |         assert_eq!(8, ip_route.interfaces.get("eth2.1718").unwrap().len());
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&ip_route.interfaces["eth2.1718"]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> tests/test_linux_ip_route.rs:44:20
[INFO] [stderr]    |
[INFO] [stderr] 44 |                    ip_route.interfaces.get("eth2.1718").unwrap().first().unwrap().dev);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&ip_route.interfaces["eth2.1718"]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> tests/test_linux_ip_route.rs:46:24
[INFO] [stderr]    |
[INFO] [stderr] 46 |         assert_eq!(22, ip_route.interfaces.get("eth2.1718").unwrap().len());
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&ip_route.interfaces["eth2.1718"]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`.
[INFO] [stderr]   --> tests/test_linux_ip_route.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 |           assert!(ip_route.as_commands("del")
[INFO] [stderr]    |  _________________^
[INFO] [stderr] 54 | |             .iter()
[INFO] [stderr] 55 | |             .find(|s| *s == "ip route del 112.164.91.136/29 dev eth3.207")
[INFO] [stderr] 56 | |             .is_some());
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::search_is_some)] on by default
[INFO] [stderr]    = note: replace `find(|s| *s == "ip route del 112.164.91.136/29 dev eth3.207").is_some()` with `any(|s| *s == "ip route del 112.164.91.136/29 dev eth3.207")`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#search_is_some
[INFO] [stderr] 
[INFO] [stderr] warning: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`.
[INFO] [stderr]   --> tests/test_linux_ip_route.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 |           assert!(ip_route.as_commands("add")
[INFO] [stderr]    |  _________________^
[INFO] [stderr] 59 | |             .iter()
[INFO] [stderr] 60 | |             .find(|s| *s == "ip route add 3c04:3a60:0:fe82::/64 via 3c04:3a60:0:2::21")
[INFO] [stderr] 61 | |             .is_some());
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: replace `find(|s| *s == "ip route add 3c04:3a60:0:fe82::/64 via 3c04:3a60:0:2::21").is_some()` with `any(|s| *s == "ip route add 3c04:3a60:0:fe82::/64 via 3c04:3a60:0:2::21")`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#search_is_some
[INFO] [stderr] 
[INFO] [stderr] warning: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`.
[INFO] [stderr]   --> tests/test_linux_ip_route.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |           assert!(ip_route.as_commands("add")
[INFO] [stderr]    |  _________________^
[INFO] [stderr] 71 | |             .iter()
[INFO] [stderr] 72 | |             .find(|s| *s == "ip route add 0.0.0.0/0 via 47.11.1.1")
[INFO] [stderr] 73 | |             .is_some());
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: replace `find(|s| *s == "ip route add 0.0.0.0/0 via 47.11.1.1").is_some()` with `any(|s| *s == "ip route add 0.0.0.0/0 via 47.11.1.1")`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#search_is_some
[INFO] [stderr] 
[INFO] [stderr] warning: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`.
[INFO] [stderr]   --> tests/test_linux_ip_route.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |           assert!(ip_route.as_commands("del")
[INFO] [stderr]    |  _________________^
[INFO] [stderr] 75 | |             .iter()
[INFO] [stderr] 76 | |             .find(|s| *s == "ip route del 0.0.0.0/0 via 47.11.1.1")
[INFO] [stderr] 77 | |             .is_some());
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: replace `find(|s| *s == "ip route del 0.0.0.0/0 via 47.11.1.1").is_some()` with `any(|s| *s == "ip route del 0.0.0.0/0 via 47.11.1.1")`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#search_is_some
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `"docker" "inspect" "62ee0b9d526569a57b7a849f9f84d1b48b3633d811091b468e5ebef16eb672b9"`
[INFO] running `"docker" "rm" "-f" "62ee0b9d526569a57b7a849f9f84d1b48b3633d811091b468e5ebef16eb672b9"`
[INFO] [stdout] 62ee0b9d526569a57b7a849f9f84d1b48b3633d811091b468e5ebef16eb672b9