[INFO] crate fstream 0.1.2 is already in cache
[INFO] extracting crate fstream 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/fstream/0.1.2
[INFO] extracting crate fstream 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/fstream/0.1.2
[INFO] validating manifest of fstream-0.1.2 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 fstream-0.1.2 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 fstream-0.1.2
[INFO] finished frobbing fstream-0.1.2
[INFO] frobbed toml for fstream-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/fstream/0.1.2/Cargo.toml
[INFO] started frobbing fstream-0.1.2
[INFO] finished frobbing fstream-0.1.2
[INFO] frobbed toml for fstream-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/fstream/0.1.2/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 fstream-0.1.2 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/fstream/0.1.2:/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] f6c8e65a55be554deb53ba6b0682ab6a2e10aaf412d724589db99ef387931ca9
[INFO] running `"docker" "start" "-a" "f6c8e65a55be554deb53ba6b0682ab6a2e10aaf412d724589db99ef387931ca9"`
[INFO] [stderr]     Checking fstream v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     return match File::open(src) {
[INFO] [stderr] 12 | | 
[INFO] [stderr] 13 | |         Ok(mut file) => {
[INFO] [stderr] 14 | | 
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | | 
[INFO] [stderr] 29 | |     };
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 11 |     match File::open(src) {
[INFO] [stderr] 12 | 
[INFO] [stderr] 13 |         Ok(mut file) => {
[INFO] [stderr] 14 | 
[INFO] [stderr] 15 |             let mut data = Vec::new();
[INFO] [stderr] 16 | 
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | /     return match File::open(src) {
[INFO] [stderr] 36 | | 
[INFO] [stderr] 37 | |         Ok(mut file) => {
[INFO] [stderr] 38 | |                 
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | | 
[INFO] [stderr] 49 | |     };
[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] 35 |     match File::open(src) {
[INFO] [stderr] 36 | 
[INFO] [stderr] 37 |         Ok(mut file) => {
[INFO] [stderr] 38 |                 
[INFO] [stderr] 39 |             let mut content = String::new();
[INFO] [stderr] 40 | 
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | /     return match File::open(src) {
[INFO] [stderr] 56 | | 
[INFO] [stderr] 57 | |         Ok(mut file) => {
[INFO] [stderr] 58 | | 
[INFO] [stderr] ...  |
[INFO] [stderr] 68 | | 
[INFO] [stderr] 69 | |     };
[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] 55 |     match File::open(src) {
[INFO] [stderr] 56 | 
[INFO] [stderr] 57 |         Ok(mut file) => {
[INFO] [stderr] 58 | 
[INFO] [stderr] 59 |             let mut content = String::new();
[INFO] [stderr] 60 | 
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 | /     return match File::open(src) {
[INFO] [stderr] 82 | | 
[INFO] [stderr] 83 | |         Ok(mut file) => {
[INFO] [stderr] 84 | | 
[INFO] [stderr] ...  |
[INFO] [stderr] 94 | | 
[INFO] [stderr] 95 | |     };
[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] 81 |     match File::open(src) {
[INFO] [stderr] 82 | 
[INFO] [stderr] 83 |         Ok(mut file) => {
[INFO] [stderr] 84 | 
[INFO] [stderr] 85 |             let mut content = String::new();
[INFO] [stderr] 86 | 
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 | /     return match OpenOptions::new().write(true)
[INFO] [stderr] 102 | |                                    .truncate(trunc)
[INFO] [stderr] 103 | |                                    .append(!trunc)
[INFO] [stderr] 104 | |                                    .create(true)
[INFO] [stderr] ...   |
[INFO] [stderr] 116 | | 
[INFO] [stderr] 117 | |     };
[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] 101 |     match OpenOptions::new().write(true)
[INFO] [stderr] 102 |                                    .truncate(trunc)
[INFO] [stderr] 103 |                                    .append(!trunc)
[INFO] [stderr] 104 |                                    .create(true)
[INFO] [stderr] 105 |                                    .open(src) {
[INFO] [stderr] 106 |         
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 135 | /     return match OpenOptions::new().write(true)
[INFO] [stderr] 136 | |                                    .truncate(trunc)
[INFO] [stderr] 137 | |                                    .append(!trunc)
[INFO] [stderr] 138 | |                                    .create(true)
[INFO] [stderr] ...   |
[INFO] [stderr] 148 | | 
[INFO] [stderr] 149 | |     };
[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] 135 |     match OpenOptions::new().write(true)
[INFO] [stderr] 136 |                                    .truncate(trunc)
[INFO] [stderr] 137 |                                    .append(!trunc)
[INFO] [stderr] 138 |                                    .create(true)
[INFO] [stderr] 139 |                                    .open(src) {
[INFO] [stderr] 140 |         
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 | /     return match self::write_text(src, "\r\n", false) {
[INFO] [stderr] 156 | | 
[INFO] [stderr] 157 | |         Some(_) => true,
[INFO] [stderr] 158 | | 
[INFO] [stderr] 159 | |         None => false,
[INFO] [stderr] 160 | | 
[INFO] [stderr] 161 | |     }
[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] 155 |     match self::write_text(src, "\r\n", false) {
[INFO] [stderr] 156 | 
[INFO] [stderr] 157 |         Some(_) => true,
[INFO] [stderr] 158 | 
[INFO] [stderr] 159 |         None => false,
[INFO] [stderr] 160 | 
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 | /     return match self::read_text(src) {
[INFO] [stderr] 168 | | 
[INFO] [stderr] 169 | |         Some(s) => Option::Some(s.contains(pat.as_ref())),
[INFO] [stderr] 170 | | 
[INFO] [stderr] 171 | |         None => Option::None,
[INFO] [stderr] 172 | | 
[INFO] [stderr] 173 | |     }
[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] 167 |     match self::read_text(src) {
[INFO] [stderr] 168 | 
[INFO] [stderr] 169 |         Some(s) => Option::Some(s.contains(pat.as_ref())),
[INFO] [stderr] 170 | 
[INFO] [stderr] 171 |         None => Option::None,
[INFO] [stderr] 172 | 
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     return match File::open(src) {
[INFO] [stderr] 12 | | 
[INFO] [stderr] 13 | |         Ok(mut file) => {
[INFO] [stderr] 14 | | 
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | | 
[INFO] [stderr] 29 | |     };
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |             file.read_to_end(&mut data);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             file.read_to_string(&mut content);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |             file.read_to_string(&mut content);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 11 |     match File::open(src) {
[INFO] [stderr] 12 | 
[INFO] [stderr] 13 |         Ok(mut file) => {
[INFO] [stderr] 14 | 
[INFO] [stderr] 15 |             let mut data = Vec::new();
[INFO] [stderr] 16 | 
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | /     return match File::open(src) {
[INFO] [stderr] 36 | | 
[INFO] [stderr] 37 | |         Ok(mut file) => {
[INFO] [stderr] 38 | |                 
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | | 
[INFO] [stderr] 49 | |     };
[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] 35 |     match File::open(src) {
[INFO] [stderr] 36 | 
[INFO] [stderr] 37 |         Ok(mut file) => {
[INFO] [stderr] 38 |                 
[INFO] [stderr] 39 |             let mut content = String::new();
[INFO] [stderr] 40 | 
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | /     return match File::open(src) {
[INFO] [stderr] 56 | | 
[INFO] [stderr] 57 | |         Ok(mut file) => {
[INFO] [stderr] 58 | | 
[INFO] [stderr] ...  |
[INFO] [stderr] 68 | | 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr] 69 | |     };
[INFO] [stderr]   --> src/lib.rs:87:13
[INFO] [stderr]    | |______^
[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] 87 |             file.read_to_string(&mut content);
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] 55 |     match File::open(src) {
[INFO] [stderr] 56 | 
[INFO] [stderr] 57 |         Ok(mut file) => {
[INFO] [stderr] 58 | 
[INFO] [stderr] 59 |             let mut content = String::new();
[INFO] [stderr] 60 | 
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 | /     return match File::open(src) {
[INFO] [stderr] 82 | | 
[INFO] [stderr] 83 | |         Ok(mut file) => {
[INFO] [stderr] 84 | | 
[INFO] [stderr] ...  |
[INFO] [stderr] 94 | | 
[INFO] [stderr] 95 | |     };
[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] 81 |     match File::open(src) {
[INFO] [stderr] 82 | 
[INFO] [stderr] 83 |         Ok(mut file) => {
[INFO] [stderr] 84 | 
[INFO] [stderr] 85 |             let mut content = String::new();
[INFO] [stderr] 86 | 
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 | /     return match OpenOptions::new().write(true)
[INFO] [stderr] 102 | |                                    .truncate(trunc)
[INFO] [stderr] 103 | |                                    .append(!trunc)
[INFO] [stderr] 104 | |                                    .create(true)
[INFO] [stderr] ...   |
[INFO] [stderr] 116 | | 
[INFO] [stderr] 117 | |     };
[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] 101 |     match OpenOptions::new().write(true)
[INFO] [stderr] 102 |                                    .truncate(trunc)
[INFO] [stderr] 103 |                                    .append(!trunc)
[INFO] [stderr] 104 |                                    .create(true)
[INFO] [stderr] 105 |                                    .open(src) {
[INFO] [stderr] 106 |         
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 135 | /     return match OpenOptions::new().write(true)
[INFO] [stderr] 136 | |                                    .truncate(trunc)
[INFO] [stderr] 137 | |                                    .append(!trunc)
[INFO] [stderr] 138 | |                                    .create(true)
[INFO] [stderr] ...   |
[INFO] [stderr] 148 | | 
[INFO] [stderr] 149 | |     };
[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] 135 |     match OpenOptions::new().write(true)
[INFO] [stderr] 136 |                                    .truncate(trunc)
[INFO] [stderr] 137 |                                    .append(!trunc)
[INFO] [stderr] 138 |                                    .create(true)
[INFO] [stderr] 139 |                                    .open(src) {
[INFO] [stderr] 140 |         
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 | /     return match self::write_text(src, "\r\n", false) {
[INFO] [stderr] 156 | | 
[INFO] [stderr] 157 | |         Some(_) => true,
[INFO] [stderr] 158 | | 
[INFO] [stderr] 159 | |         None => false,
[INFO] [stderr] 160 | | 
[INFO] [stderr] 161 | |     }
[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] 155 |     match self::write_text(src, "\r\n", false) {
[INFO] [stderr] 156 | 
[INFO] [stderr] 157 |         Some(_) => true,
[INFO] [stderr] 158 | 
[INFO] [stderr] 159 |         None => false,
[INFO] [stderr] 160 | 
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 | /     return match self::read_text(src) {
[INFO] [stderr] 168 | | 
[INFO] [stderr] 169 | |         Some(s) => Option::Some(s.contains(pat.as_ref())),
[INFO] [stderr] 170 | | 
[INFO] [stderr] 171 | |         None => Option::None,
[INFO] [stderr] 172 | | 
[INFO] [stderr] 173 | |     }
[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] 167 |     match self::read_text(src) {
[INFO] [stderr] 168 | 
[INFO] [stderr] 169 |         Some(s) => Option::Some(s.contains(pat.as_ref())),
[INFO] [stderr] 170 | 
[INFO] [stderr] 171 |         None => Option::None,
[INFO] [stderr] 172 | 
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/lib.rs:155:12
[INFO] [stderr]     |
[INFO] [stderr] 155 |       return match self::write_text(src, "\r\n", false) {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 156 | | 
[INFO] [stderr] 157 | |         Some(_) => true,
[INFO] [stderr] 158 | | 
[INFO] [stderr] 159 | |         None => false,
[INFO] [stderr] 160 | | 
[INFO] [stderr] 161 | |     }
[INFO] [stderr]     | |_____^ help: try this: `self::write_text(src, "\r\n", false).is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/lib.rs:181:20
[INFO] [stderr]     |
[INFO] [stderr] 181 |           Some(s) => match self::write_text(src1, s, false) {
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 182 | | 
[INFO] [stderr] 183 | |             Some(_) => true,
[INFO] [stderr] 184 | | 
[INFO] [stderr] 185 | |             None => false,
[INFO] [stderr] 186 | | 
[INFO] [stderr] 187 | |         }
[INFO] [stderr]     | |_________^ help: try this: `self::write_text(src1, s, false).is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |             file.read_to_end(&mut data);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             file.read_to_string(&mut content);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |             file.read_to_string(&mut content);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |             file.read_to_string(&mut content);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/lib.rs:155:12
[INFO] [stderr]     |
[INFO] [stderr] 155 |       return match self::write_text(src, "\r\n", false) {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 156 | | 
[INFO] [stderr] 157 | |         Some(_) => true,
[INFO] [stderr] 158 | | 
[INFO] [stderr] 159 | |         None => false,
[INFO] [stderr] 160 | | 
[INFO] [stderr] 161 | |     }
[INFO] [stderr]     | |_____^ help: try this: `self::write_text(src, "\r\n", false).is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/lib.rs:181:20
[INFO] [stderr]     |
[INFO] [stderr] 181 |           Some(s) => match self::write_text(src1, s, false) {
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 182 | | 
[INFO] [stderr] 183 | |             Some(_) => true,
[INFO] [stderr] 184 | | 
[INFO] [stderr] 185 | |             None => false,
[INFO] [stderr] 186 | | 
[INFO] [stderr] 187 | |         }
[INFO] [stderr]     | |_________^ help: try this: `self::write_text(src1, s, false).is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "f6c8e65a55be554deb53ba6b0682ab6a2e10aaf412d724589db99ef387931ca9"`
[INFO] running `"docker" "rm" "-f" "f6c8e65a55be554deb53ba6b0682ab6a2e10aaf412d724589db99ef387931ca9"`
[INFO] [stdout] f6c8e65a55be554deb53ba6b0682ab6a2e10aaf412d724589db99ef387931ca9