[INFO] crate subprocess-communicate 0.2.2 is already in cache
[INFO] extracting crate subprocess-communicate 0.2.2 into work/ex/clippy-test-run/sources/stable/reg/subprocess-communicate/0.2.2
[INFO] extracting crate subprocess-communicate 0.2.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/subprocess-communicate/0.2.2
[INFO] validating manifest of subprocess-communicate-0.2.2 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 subprocess-communicate-0.2.2 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 subprocess-communicate-0.2.2
[INFO] finished frobbing subprocess-communicate-0.2.2
[INFO] frobbed toml for subprocess-communicate-0.2.2 written to work/ex/clippy-test-run/sources/stable/reg/subprocess-communicate/0.2.2/Cargo.toml
[INFO] started frobbing subprocess-communicate-0.2.2
[INFO] finished frobbing subprocess-communicate-0.2.2
[INFO] frobbed toml for subprocess-communicate-0.2.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/subprocess-communicate/0.2.2/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 subprocess-communicate-0.2.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/subprocess-communicate/0.2.2:/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] 122e5cb6d26ed5831a587c35e996312c11d3401eb8de68b327fcf2d0a7c38419
[INFO] running `"docker" "start" "-a" "122e5cb6d26ed5831a587c35e996312c11d3401eb8de68b327fcf2d0a7c38419"`
[INFO] [stderr]     Checking subprocess-communicate v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/unix.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             stdin: stdin,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `stdin`
[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/unix.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             stdout: stdout,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `stdout`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/unix.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             stderr: stderr,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `stderr`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/unix.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |             stdout_bound : stdout_bound,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `stdout_bound`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/unix.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             stderr_bound : stderr_bound,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `stderr_bound`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/unix.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |             return_on_stdout_fill : return_on_stdout_fill,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `return_on_stdout_fill`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/unix.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             stdin: stdin,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `stdin`
[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/unix.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             stdout: stdout,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `stdout`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/unix.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             stderr: stderr,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `stderr`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/unix.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |             stdout_bound : stdout_bound,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `stdout_bound`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/unix.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             stderr_bound : stderr_bound,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `stderr_bound`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/unix.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |             return_on_stdout_fill : return_on_stdout_fill,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `return_on_stdout_fill`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unix.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |         return Ok(());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[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/unix.rs:199:9
[INFO] [stderr]     |
[INFO] [stderr] 199 |         return Ok(());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[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/unix.rs:246:9
[INFO] [stderr]     |
[INFO] [stderr] 246 |         return Ok(());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[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/unix.rs:369:5
[INFO] [stderr]     |
[INFO] [stderr] 369 |     return (ret_stdout, ret_stderr, Ok(()));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(ret_stdout, ret_stderr, Ok(()))`
[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: use of deprecated item 'mio::deprecated::TryRead': update to use `Poll`
[INFO] [stderr]   --> src/unix.rs:10:23
[INFO] [stderr]    |
[INFO] [stderr] 10 | use mio::deprecated::{TryRead, TryWrite};
[INFO] [stderr]    |                       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::TryWrite': update to use `Poll`
[INFO] [stderr]   --> src/unix.rs:10:32
[INFO] [stderr]    |
[INFO] [stderr] 10 | use mio::deprecated::{TryRead, TryWrite};
[INFO] [stderr]    |                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader': update to use `Poll`
[INFO] [stderr]   --> src/unix.rs:11:23
[INFO] [stderr]    |
[INFO] [stderr] 11 | use mio::deprecated::{PipeReader, PipeWriter};
[INFO] [stderr]    |                       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeWriter': update to use `Poll`
[INFO] [stderr]   --> src/unix.rs:11:35
[INFO] [stderr]    |
[INFO] [stderr] 11 | use mio::deprecated::{PipeReader, PipeWriter};
[INFO] [stderr]    |                                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeWriter': update to use `Poll`
[INFO] [stderr]   --> src/unix.rs:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 |     stdin: Option<PipeWriter>,
[INFO] [stderr]    |                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader': update to use `Poll`
[INFO] [stderr]   --> src/unix.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 |     stdout: Option<PipeReader>,
[INFO] [stderr]    |                    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader': update to use `Poll`
[INFO] [stderr]   --> src/unix.rs:19:20
[INFO] [stderr]    |
[INFO] [stderr] 19 |     stderr: Option<PipeReader>,
[INFO] [stderr]    |                    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeWriter': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:262:80
[INFO] [stderr]     |
[INFO] [stderr] 262 | pub fn from_stdin(mut stdin: Option<process::ChildStdin>) -> io::Result<Option<PipeWriter> > {
[INFO] [stderr]     |                                                                                ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeWriter': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:267:13
[INFO] [stderr]     |
[INFO] [stderr] 267 |     Ok(Some(PipeWriter::from_stdin(stdin.take().unwrap()).unwrap()))
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:270:83
[INFO] [stderr]     |
[INFO] [stderr] 270 | pub fn from_stdout(mut stdout: Option<process::ChildStdout>) -> io::Result<Option<PipeReader> > {
[INFO] [stderr]     |                                                                                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:275:13
[INFO] [stderr]     |
[INFO] [stderr] 275 |     Ok(Some(PipeReader::from_stdout(stdout.take().unwrap()).unwrap()))
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:279:83
[INFO] [stderr]     |
[INFO] [stderr] 279 | pub fn from_stderr(mut stderr: Option<process::ChildStderr>) -> io::Result<Option<PipeReader> > {
[INFO] [stderr]     |                                                                                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:284:13
[INFO] [stderr]     |
[INFO] [stderr] 284 |     Ok(Some(PipeReader::from_stderr(stderr.take().unwrap()).unwrap()))
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeWriter': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:303:24
[INFO] [stderr]     |
[INFO] [stderr] 303 |     let stdin : Option<PipeWriter>;
[INFO] [stderr]     |                        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:309:25
[INFO] [stderr]     |
[INFO] [stderr] 309 |     let stdout : Option<PipeReader>;
[INFO] [stderr]     |                         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:315:25
[INFO] [stderr]     |
[INFO] [stderr] 315 |     let stderr : Option<PipeReader>;
[INFO] [stderr]     |                         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeWriter': update to use `Poll`
[INFO] [stderr]   --> src/unix.rs:37:26
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn new(stdin: Option<PipeWriter>, stdout : Option<PipeReader>, stderr : Option<PipeReader>, data : &[u8],
[INFO] [stderr]    |                          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader': update to use `Poll`
[INFO] [stderr]   --> src/unix.rs:37:55
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn new(stdin: Option<PipeWriter>, stdout : Option<PipeReader>, stderr : Option<PipeReader>, data : &[u8],
[INFO] [stderr]    |                                                       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader': update to use `Poll`
[INFO] [stderr]   --> src/unix.rs:37:84
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn new(stdin: Option<PipeWriter>, stdout : Option<PipeReader>, stderr : Option<PipeReader>, data : &[u8],
[INFO] [stderr]    |                                                                                    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::TryRead::try_read': update to use `Poll`
[INFO] [stderr]   --> src/unix.rs:71:51
[INFO] [stderr]    |
[INFO] [stderr] 71 |             Some (ref mut stdout) => match stdout.try_read(&mut self.buf[..buf_bound]) {
[INFO] [stderr]    |                                                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::TryRead::try_read': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:142:50
[INFO] [stderr]     |
[INFO] [stderr] 142 |             Some(ref mut stderr) => match stderr.try_read(&mut self.buf[..buf_bound]) {
[INFO] [stderr]     |                                                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::TryWrite::try_write': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:210:48
[INFO] [stderr]     |
[INFO] [stderr] 210 |             Some(ref mut stdin) => match stdin.try_write(&(&self.input)[self.input_offset..]) {
[INFO] [stderr]     |                                                ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeWriter::from_stdin': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:267:13
[INFO] [stderr]     |
[INFO] [stderr] 267 |     Ok(Some(PipeWriter::from_stdin(stdin.take().unwrap()).unwrap()))
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader::from_stdout': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:275:13
[INFO] [stderr]     |
[INFO] [stderr] 275 |     Ok(Some(PipeReader::from_stdout(stdout.take().unwrap()).unwrap()))
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader::from_stderr': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:284:13
[INFO] [stderr]     |
[INFO] [stderr] 284 |     Ok(Some(PipeReader::from_stderr(stderr.take().unwrap()).unwrap()))
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::Event::kind': use Event::readiness()
[INFO] [stderr]    --> src/unix.rs:362:62
[INFO] [stderr]     |
[INFO] [stderr] 362 |             subprocess.ready(&mut poll, event.token(), event.kind())
[INFO] [stderr]     |                                                              ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/unix.rs:65:64
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let mut buf_bound : usize = cmp::min(self.stdout_bound.unwrap_or(self.buf.len()), self.buf.len());
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| self.buf.len())`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/unix.rs:81:36
[INFO] [stderr]    |
[INFO] [stderr] 81 |                                    *bound = *bound - r;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^ help: replace it with: `*bound -= r`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[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/unix.rs:87:39
[INFO] [stderr]    |
[INFO] [stderr] 87 | /                                       match self.stderr {
[INFO] [stderr] 88 | |                                           Some(ref sub_stderr) =>
[INFO] [stderr] 89 | |                                               match poll.deregister(sub_stderr){
[INFO] [stderr] 90 | |                                                 Err(e) => return Err(e),
[INFO] [stderr] ...  |
[INFO] [stderr] 93 | |                                           _ => {},
[INFO] [stderr] 94 | |                                       }
[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] 87 |                                       if let Some(ref sub_stderr) = self.stderr { match poll.deregister(sub_stderr){
[INFO] [stderr] 88 |       Err(e) => return Err(e),
[INFO] [stderr] 89 |       _ => {},
[INFO] [stderr] 90 | } }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/unix.rs:89:47
[INFO] [stderr]    |
[INFO] [stderr] 89 | /                                               match poll.deregister(sub_stderr){
[INFO] [stderr] 90 | |                                                 Err(e) => return Err(e),
[INFO] [stderr] 91 | |                                                 _ => {},
[INFO] [stderr] 92 | |                                           },
[INFO] [stderr]    | |___________________________________________^ help: try this: `if let Err(e) = poll.deregister(sub_stderr) { return Err(e) }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[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/unix.rs:113:13
[INFO] [stderr]     |
[INFO] [stderr] 113 | /             match self.stdout {
[INFO] [stderr] 114 | |                Some(ref sub_stdout) =>
[INFO] [stderr] 115 | |                    match poll.deregister(sub_stdout) {
[INFO] [stderr] 116 | |                       Err(e) => return Err(e),
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |                _ => {},
[INFO] [stderr] 120 | |             }
[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] 113 |             if let Some(ref sub_stdout) = self.stdout { match poll.deregister(sub_stdout) {
[INFO] [stderr] 114 |    Err(e) => return Err(e),
[INFO] [stderr] 115 |    _ => {},
[INFO] [stderr] 116 | } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/unix.rs:115:20
[INFO] [stderr]     |
[INFO] [stderr] 115 | /                    match poll.deregister(sub_stdout) {
[INFO] [stderr] 116 | |                       Err(e) => return Err(e),
[INFO] [stderr] 117 | |                       _ => {},
[INFO] [stderr] 118 | |                    },
[INFO] [stderr]     | |____________________^ help: try this: `if let Err(e) = poll.deregister(sub_stdout) { return Err(e) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/unix.rs:136:64
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let mut buf_bound : usize = cmp::min(self.stderr_bound.unwrap_or(self.buf.len()), self.buf.len());
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| self.buf.len())`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/unix.rs:154:35
[INFO] [stderr]     |
[INFO] [stderr] 154 |                                   *bound = *bound - r;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^ help: replace it with: `*bound -= r`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[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/unix.rs:160:39
[INFO] [stderr]     |
[INFO] [stderr] 160 | /                                       match self.stdout {
[INFO] [stderr] 161 | |                                           Some(ref sub_stdout) =>
[INFO] [stderr] 162 | |                                               match poll.deregister(sub_stdout){
[INFO] [stderr] 163 | |                                                   Err(e) => return Err(e),
[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#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 160 |                                       if let Some(ref sub_stdout) = self.stdout { match poll.deregister(sub_stdout){
[INFO] [stderr] 161 |     Err(e) => return Err(e),
[INFO] [stderr] 162 |     _ => {},
[INFO] [stderr] 163 | } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/unix.rs:162:47
[INFO] [stderr]     |
[INFO] [stderr] 162 | /                                               match poll.deregister(sub_stdout){
[INFO] [stderr] 163 | |                                                   Err(e) => return Err(e),
[INFO] [stderr] 164 | |                                                   _ => {},
[INFO] [stderr] 165 | |                                               },
[INFO] [stderr]     | |_______________________________________________^ help: try this: `if let Err(e) = poll.deregister(sub_stdout) { return Err(e) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[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/unix.rs:185:13
[INFO] [stderr]     |
[INFO] [stderr] 185 | /             match self.stderr {
[INFO] [stderr] 186 | |                Some(ref sub_stderr) =>
[INFO] [stderr] 187 | |                    match poll.deregister(sub_stderr){
[INFO] [stderr] 188 | |                        Err(e) => return Err(e),
[INFO] [stderr] ...   |
[INFO] [stderr] 191 | |                _ => {},
[INFO] [stderr] 192 | |             }
[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] 185 |             if let Some(ref sub_stderr) = self.stderr { match poll.deregister(sub_stderr){
[INFO] [stderr] 186 |     Err(e) => return Err(e),
[INFO] [stderr] 187 |     _ => {},
[INFO] [stderr] 188 | } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/unix.rs:187:20
[INFO] [stderr]     |
[INFO] [stderr] 187 | /                    match poll.deregister(sub_stderr){
[INFO] [stderr] 188 | |                        Err(e) => return Err(e),
[INFO] [stderr] 189 | |                        _ => {},
[INFO] [stderr] 190 | |                    },
[INFO] [stderr]     | |____________________^ help: try this: `if let Err(e) = poll.deregister(sub_stderr) { return Err(e) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[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/unix.rs:226:13
[INFO] [stderr]     |
[INFO] [stderr] 226 | /             match self.stdin {
[INFO] [stderr] 227 | |                 Some(ref sub_stdin) =>
[INFO] [stderr] 228 | |                     match poll.deregister(sub_stdin) {
[INFO] [stderr] 229 | |                        Err(e) => return Err(e),
[INFO] [stderr] ...   |
[INFO] [stderr] 232 | |                 _ => {},
[INFO] [stderr] 233 | |             }
[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] 226 |             if let Some(ref sub_stdin) = self.stdin { match poll.deregister(sub_stdin) {
[INFO] [stderr] 227 |    Err(e) => return Err(e),
[INFO] [stderr] 228 |    _ => {},
[INFO] [stderr] 229 | } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/unix.rs:228:21
[INFO] [stderr]     |
[INFO] [stderr] 228 | /                     match poll.deregister(sub_stdin) {
[INFO] [stderr] 229 | |                        Err(e) => return Err(e),
[INFO] [stderr] 230 | |                        _ => {},
[INFO] [stderr] 231 | |                     },
[INFO] [stderr]     | |_____________________^ help: try this: `if let Err(e) = poll.deregister(sub_stdin) { return Err(e) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[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/unix.rs:330:5
[INFO] [stderr]     |
[INFO] [stderr] 330 | /     match subprocess.stdout {
[INFO] [stderr] 331 | |        Some(ref sub_stdout) =>
[INFO] [stderr] 332 | |           match poll.register(sub_stdout, subprocess.stdout_token, Ready::readable(),
[INFO] [stderr] 333 | |                                                    PollOpt::level()) {
[INFO] [stderr] ...   |
[INFO] [stderr] 337 | |        None => {},
[INFO] [stderr] 338 | |     }
[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] 330 |     if let Some(ref sub_stdout) = subprocess.stdout { match poll.register(sub_stdout, subprocess.stdout_token, Ready::readable(),
[INFO] [stderr] 331 |                                          PollOpt::level()) {
[INFO] [stderr] 332 |   Err(e) => return (Vec::<u8>::new(), Vec::<u8>::new(), Err(e)),
[INFO] [stderr] 333 |   Ok(_) =>{},
[INFO] [stderr] 334 | } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/unix.rs:332:11
[INFO] [stderr]     |
[INFO] [stderr] 332 | /           match poll.register(sub_stdout, subprocess.stdout_token, Ready::readable(),
[INFO] [stderr] 333 | |                                                    PollOpt::level()) {
[INFO] [stderr] 334 | |             Err(e) => return (Vec::<u8>::new(), Vec::<u8>::new(), Err(e)),
[INFO] [stderr] 335 | |             Ok(_) =>{},
[INFO] [stderr] 336 | |           },
[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] 332 |           if let Err(e) = poll.register(sub_stdout, subprocess.stdout_token, Ready::readable(),
[INFO] [stderr] 333 |                                                    PollOpt::level()) { return (Vec::<u8>::new(), Vec::<u8>::new(), Err(e)) },
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/unix.rs:340:5
[INFO] [stderr]     |
[INFO] [stderr] 340 | /     match subprocess.stderr {
[INFO] [stderr] 341 | |         Some(ref sub_stderr) => match poll.register(sub_stderr, subprocess.stderr_token, Ready::readable(),
[INFO] [stderr] 342 | |                         PollOpt::level()) {
[INFO] [stderr] 343 | |            Err(e) => return (Vec::<u8>::new(), Vec::<u8>::new(), Err(e)),
[INFO] [stderr] ...   |
[INFO] [stderr] 346 | |         None => {},
[INFO] [stderr] 347 | |     }
[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] 340 |     if let Some(ref sub_stderr) = subprocess.stderr { match poll.register(sub_stderr, subprocess.stderr_token, Ready::readable(),
[INFO] [stderr] 341 |                 PollOpt::level()) {
[INFO] [stderr] 342 |    Err(e) => return (Vec::<u8>::new(), Vec::<u8>::new(), Err(e)),
[INFO] [stderr] 343 |    Ok(_) => {},
[INFO] [stderr] 344 | } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/unix.rs:341:33
[INFO] [stderr]     |
[INFO] [stderr] 341 |           Some(ref sub_stderr) => match poll.register(sub_stderr, subprocess.stderr_token, Ready::readable(),
[INFO] [stderr]     |  _________________________________^
[INFO] [stderr] 342 | |                         PollOpt::level()) {
[INFO] [stderr] 343 | |            Err(e) => return (Vec::<u8>::new(), Vec::<u8>::new(), Err(e)),
[INFO] [stderr] 344 | |            Ok(_) => {},
[INFO] [stderr] 345 | |         },
[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] 341 |         Some(ref sub_stderr) => if let Err(e) = poll.register(sub_stderr, subprocess.stderr_token, Ready::readable(),
[INFO] [stderr] 342 |                         PollOpt::level()) { return (Vec::<u8>::new(), Vec::<u8>::new(), Err(e)) },
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/unix.rs:350:5
[INFO] [stderr]     |
[INFO] [stderr] 350 | /     match subprocess.stdin {
[INFO] [stderr] 351 | |         Some (ref sub_stdin) => match poll.register(sub_stdin, subprocess.stdin_token, Ready::writable(),
[INFO] [stderr] 352 | |                         PollOpt::level()) {
[INFO] [stderr] 353 | |            Err(e) => return (Vec::<u8>::new(), Vec::<u8>::new(), Err(e)),
[INFO] [stderr] ...   |
[INFO] [stderr] 356 | |          None => {},
[INFO] [stderr] 357 | |     }
[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] 350 |     if let Some (ref sub_stdin) = subprocess.stdin { match poll.register(sub_stdin, subprocess.stdin_token, Ready::writable(),
[INFO] [stderr] 351 |                PollOpt::level()) {
[INFO] [stderr] 352 |   Err(e) => return (Vec::<u8>::new(), Vec::<u8>::new(), Err(e)),
[INFO] [stderr] 353 |   Ok(_) => {},
[INFO] [stderr] 354 | } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/unix.rs:351:33
[INFO] [stderr]     |
[INFO] [stderr] 351 |           Some (ref sub_stdin) => match poll.register(sub_stdin, subprocess.stdin_token, Ready::writable(),
[INFO] [stderr]     |  _________________________________^
[INFO] [stderr] 352 | |                         PollOpt::level()) {
[INFO] [stderr] 353 | |            Err(e) => return (Vec::<u8>::new(), Vec::<u8>::new(), Err(e)),
[INFO] [stderr] 354 | |            Ok(_) => {},
[INFO] [stderr] 355 | |          },
[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] 351 |         Some (ref sub_stdin) => if let Err(e) = poll.register(sub_stdin, subprocess.stdin_token, Ready::writable(),
[INFO] [stderr] 352 |                         PollOpt::level()) { return (Vec::<u8>::new(), Vec::<u8>::new(), Err(e)) },
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/unix.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |         return Ok(());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[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/unix.rs:199:9
[INFO] [stderr]     |
[INFO] [stderr] 199 |         return Ok(());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[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/unix.rs:246:9
[INFO] [stderr]     |
[INFO] [stderr] 246 |         return Ok(());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[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/unix.rs:369:5
[INFO] [stderr]     |
[INFO] [stderr] 369 |     return (ret_stdout, ret_stderr, Ok(()));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(ret_stdout, ret_stderr, Ok(()))`
[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: long literal lacking separators
[INFO] [stderr]    --> src/unix.rs:424:26
[INFO] [stderr]     |
[INFO] [stderr] 424 |      let bound : usize = 130000;
[INFO] [stderr]     |                          ^^^^^^ help: consider: `130_000`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/unix.rs:450:26
[INFO] [stderr]     |
[INFO] [stderr] 450 |      let bound : usize = 130000;
[INFO] [stderr]     |                          ^^^^^^ help: consider: `130_000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/unix.rs:476:26
[INFO] [stderr]     |
[INFO] [stderr] 476 |      let bound : usize = 130000;
[INFO] [stderr]     |                          ^^^^^^ help: consider: `130_000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::TryRead': update to use `Poll`
[INFO] [stderr]   --> src/unix.rs:10:23
[INFO] [stderr]    |
[INFO] [stderr] 10 | use mio::deprecated::{TryRead, TryWrite};
[INFO] [stderr]    |                       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::TryWrite': update to use `Poll`
[INFO] [stderr]   --> src/unix.rs:10:32
[INFO] [stderr]    |
[INFO] [stderr] 10 | use mio::deprecated::{TryRead, TryWrite};
[INFO] [stderr]    |                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader': update to use `Poll`
[INFO] [stderr]   --> src/unix.rs:11:23
[INFO] [stderr]    |
[INFO] [stderr] 11 | use mio::deprecated::{PipeReader, PipeWriter};
[INFO] [stderr]    |                       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeWriter': update to use `Poll`
[INFO] [stderr]   --> src/unix.rs:11:35
[INFO] [stderr]    |
[INFO] [stderr] 11 | use mio::deprecated::{PipeReader, PipeWriter};
[INFO] [stderr]    |                                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeWriter': update to use `Poll`
[INFO] [stderr]   --> src/unix.rs:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 |     stdin: Option<PipeWriter>,
[INFO] [stderr]    |                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader': update to use `Poll`
[INFO] [stderr]   --> src/unix.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 |     stdout: Option<PipeReader>,
[INFO] [stderr]    |                    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader': update to use `Poll`
[INFO] [stderr]   --> src/unix.rs:19:20
[INFO] [stderr]    |
[INFO] [stderr] 19 |     stderr: Option<PipeReader>,
[INFO] [stderr]    |                    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeWriter': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:262:80
[INFO] [stderr]     |
[INFO] [stderr] 262 | pub fn from_stdin(mut stdin: Option<process::ChildStdin>) -> io::Result<Option<PipeWriter> > {
[INFO] [stderr]     |                                                                                ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeWriter': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:267:13
[INFO] [stderr]     |
[INFO] [stderr] 267 |     Ok(Some(PipeWriter::from_stdin(stdin.take().unwrap()).unwrap()))
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:270:83
[INFO] [stderr]     |
[INFO] [stderr] 270 | pub fn from_stdout(mut stdout: Option<process::ChildStdout>) -> io::Result<Option<PipeReader> > {
[INFO] [stderr]     |                                                                                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:275:13
[INFO] [stderr]     |
[INFO] [stderr] 275 |     Ok(Some(PipeReader::from_stdout(stdout.take().unwrap()).unwrap()))
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:279:83
[INFO] [stderr]     |
[INFO] [stderr] 279 | pub fn from_stderr(mut stderr: Option<process::ChildStderr>) -> io::Result<Option<PipeReader> > {
[INFO] [stderr]     |                                                                                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:284:13
[INFO] [stderr]     |
[INFO] [stderr] 284 |     Ok(Some(PipeReader::from_stderr(stderr.take().unwrap()).unwrap()))
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeWriter': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:303:24
[INFO] [stderr]     |
[INFO] [stderr] 303 |     let stdin : Option<PipeWriter>;
[INFO] [stderr]     |                        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:309:25
[INFO] [stderr]     |
[INFO] [stderr] 309 |     let stdout : Option<PipeReader>;
[INFO] [stderr]     |                         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:315:25
[INFO] [stderr]     |
[INFO] [stderr] 315 |     let stderr : Option<PipeReader>;
[INFO] [stderr]     |                         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeWriter': update to use `Poll`
[INFO] [stderr]   --> src/unix.rs:37:26
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn new(stdin: Option<PipeWriter>, stdout : Option<PipeReader>, stderr : Option<PipeReader>, data : &[u8],
[INFO] [stderr]    |                          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader': update to use `Poll`
[INFO] [stderr]   --> src/unix.rs:37:55
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn new(stdin: Option<PipeWriter>, stdout : Option<PipeReader>, stderr : Option<PipeReader>, data : &[u8],
[INFO] [stderr]    |                                                       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader': update to use `Poll`
[INFO] [stderr]   --> src/unix.rs:37:84
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn new(stdin: Option<PipeWriter>, stdout : Option<PipeReader>, stderr : Option<PipeReader>, data : &[u8],
[INFO] [stderr]    |                                                                                    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::TryRead::try_read': update to use `Poll`
[INFO] [stderr]   --> src/unix.rs:71:51
[INFO] [stderr]    |
[INFO] [stderr] 71 |             Some (ref mut stdout) => match stdout.try_read(&mut self.buf[..buf_bound]) {
[INFO] [stderr]    |                                                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::TryRead::try_read': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:142:50
[INFO] [stderr]     |
[INFO] [stderr] 142 |             Some(ref mut stderr) => match stderr.try_read(&mut self.buf[..buf_bound]) {
[INFO] [stderr]     |                                                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::TryWrite::try_write': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:210:48
[INFO] [stderr]     |
[INFO] [stderr] 210 |             Some(ref mut stdin) => match stdin.try_write(&(&self.input)[self.input_offset..]) {
[INFO] [stderr]     |                                                ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeWriter::from_stdin': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:267:13
[INFO] [stderr]     |
[INFO] [stderr] 267 |     Ok(Some(PipeWriter::from_stdin(stdin.take().unwrap()).unwrap()))
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader::from_stdout': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:275:13
[INFO] [stderr]     |
[INFO] [stderr] 275 |     Ok(Some(PipeReader::from_stdout(stdout.take().unwrap()).unwrap()))
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::deprecated::PipeReader::from_stderr': update to use `Poll`
[INFO] [stderr]    --> src/unix.rs:284:13
[INFO] [stderr]     |
[INFO] [stderr] 284 |     Ok(Some(PipeReader::from_stderr(stderr.take().unwrap()).unwrap()))
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'mio::Event::kind': use Event::readiness()
[INFO] [stderr]    --> src/unix.rs:362:62
[INFO] [stderr]     |
[INFO] [stderr] 362 |             subprocess.ready(&mut poll, event.token(), event.kind())
[INFO] [stderr]     |                                                              ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/unix.rs:65:64
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let mut buf_bound : usize = cmp::min(self.stdout_bound.unwrap_or(self.buf.len()), self.buf.len());
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| self.buf.len())`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/unix.rs:81:36
[INFO] [stderr]    |
[INFO] [stderr] 81 |                                    *bound = *bound - r;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^ help: replace it with: `*bound -= r`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[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/unix.rs:87:39
[INFO] [stderr]    |
[INFO] [stderr] 87 | /                                       match self.stderr {
[INFO] [stderr] 88 | |                                           Some(ref sub_stderr) =>
[INFO] [stderr] 89 | |                                               match poll.deregister(sub_stderr){
[INFO] [stderr] 90 | |                                                 Err(e) => return Err(e),
[INFO] [stderr] ...  |
[INFO] [stderr] 93 | |                                           _ => {},
[INFO] [stderr] 94 | |                                       }
[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] 87 |                                       if let Some(ref sub_stderr) = self.stderr { match poll.deregister(sub_stderr){
[INFO] [stderr] 88 |       Err(e) => return Err(e),
[INFO] [stderr] 89 |       _ => {},
[INFO] [stderr] 90 | } }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/unix.rs:89:47
[INFO] [stderr]    |
[INFO] [stderr] 89 | /                                               match poll.deregister(sub_stderr){
[INFO] [stderr] 90 | |                                                 Err(e) => return Err(e),
[INFO] [stderr] 91 | |                                                 _ => {},
[INFO] [stderr] 92 | |                                           },
[INFO] [stderr]    | |___________________________________________^ help: try this: `if let Err(e) = poll.deregister(sub_stderr) { return Err(e) }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[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/unix.rs:113:13
[INFO] [stderr]     |
[INFO] [stderr] 113 | /             match self.stdout {
[INFO] [stderr] 114 | |                Some(ref sub_stdout) =>
[INFO] [stderr] 115 | |                    match poll.deregister(sub_stdout) {
[INFO] [stderr] 116 | |                       Err(e) => return Err(e),
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |                _ => {},
[INFO] [stderr] 120 | |             }
[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] 113 |             if let Some(ref sub_stdout) = self.stdout { match poll.deregister(sub_stdout) {
[INFO] [stderr] 114 |    Err(e) => return Err(e),
[INFO] [stderr] 115 |    _ => {},
[INFO] [stderr] 116 | } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/unix.rs:115:20
[INFO] [stderr]     |
[INFO] [stderr] 115 | /                    match poll.deregister(sub_stdout) {
[INFO] [stderr] 116 | |                       Err(e) => return Err(e),
[INFO] [stderr] 117 | |                       _ => {},
[INFO] [stderr] 118 | |                    },
[INFO] [stderr]     | |____________________^ help: try this: `if let Err(e) = poll.deregister(sub_stdout) { return Err(e) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/unix.rs:136:64
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let mut buf_bound : usize = cmp::min(self.stderr_bound.unwrap_or(self.buf.len()), self.buf.len());
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| self.buf.len())`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/unix.rs:154:35
[INFO] [stderr]     |
[INFO] [stderr] 154 |                                   *bound = *bound - r;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^ help: replace it with: `*bound -= r`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[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/unix.rs:160:39
[INFO] [stderr]     |
[INFO] [stderr] 160 | /                                       match self.stdout {
[INFO] [stderr] 161 | |                                           Some(ref sub_stdout) =>
[INFO] [stderr] 162 | |                                               match poll.deregister(sub_stdout){
[INFO] [stderr] 163 | |                                                   Err(e) => return Err(e),
[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#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 160 |                                       if let Some(ref sub_stdout) = self.stdout { match poll.deregister(sub_stdout){
[INFO] [stderr] 161 |     Err(e) => return Err(e),
[INFO] [stderr] 162 |     _ => {},
[INFO] [stderr] 163 | } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/unix.rs:162:47
[INFO] [stderr]     |
[INFO] [stderr] 162 | /                                               match poll.deregister(sub_stdout){
[INFO] [stderr] 163 | |                                                   Err(e) => return Err(e),
[INFO] [stderr] 164 | |                                                   _ => {},
[INFO] [stderr] 165 | |                                               },
[INFO] [stderr]     | |_______________________________________________^ help: try this: `if let Err(e) = poll.deregister(sub_stdout) { return Err(e) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[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/unix.rs:185:13
[INFO] [stderr]     |
[INFO] [stderr] 185 | /             match self.stderr {
[INFO] [stderr] 186 | |                Some(ref sub_stderr) =>
[INFO] [stderr] 187 | |                    match poll.deregister(sub_stderr){
[INFO] [stderr] 188 | |                        Err(e) => return Err(e),
[INFO] [stderr] ...   |
[INFO] [stderr] 191 | |                _ => {},
[INFO] [stderr] 192 | |             }
[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] 185 |             if let Some(ref sub_stderr) = self.stderr { match poll.deregister(sub_stderr){
[INFO] [stderr] 186 |     Err(e) => return Err(e),
[INFO] [stderr] 187 |     _ => {},
[INFO] [stderr] 188 | } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/unix.rs:187:20
[INFO] [stderr]     |
[INFO] [stderr] 187 | /                    match poll.deregister(sub_stderr){
[INFO] [stderr] 188 | |                        Err(e) => return Err(e),
[INFO] [stderr] 189 | |                        _ => {},
[INFO] [stderr] 190 | |                    },
[INFO] [stderr]     | |____________________^ help: try this: `if let Err(e) = poll.deregister(sub_stderr) { return Err(e) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[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/unix.rs:226:13
[INFO] [stderr]     |
[INFO] [stderr] 226 | /             match self.stdin {
[INFO] [stderr] 227 | |                 Some(ref sub_stdin) =>
[INFO] [stderr] 228 | |                     match poll.deregister(sub_stdin) {
[INFO] [stderr] 229 | |                        Err(e) => return Err(e),
[INFO] [stderr] ...   |
[INFO] [stderr] 232 | |                 _ => {},
[INFO] [stderr] 233 | |             }
[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] 226 |             if let Some(ref sub_stdin) = self.stdin { match poll.deregister(sub_stdin) {
[INFO] [stderr] 227 |    Err(e) => return Err(e),
[INFO] [stderr] 228 |    _ => {},
[INFO] [stderr] 229 | } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/unix.rs:228:21
[INFO] [stderr]     |
[INFO] [stderr] 228 | /                     match poll.deregister(sub_stdin) {
[INFO] [stderr] 229 | |                        Err(e) => return Err(e),
[INFO] [stderr] 230 | |                        _ => {},
[INFO] [stderr] 231 | |                     },
[INFO] [stderr]     | |_____________________^ help: try this: `if let Err(e) = poll.deregister(sub_stdin) { return Err(e) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[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/unix.rs:330:5
[INFO] [stderr]     |
[INFO] [stderr] 330 | /     match subprocess.stdout {
[INFO] [stderr] 331 | |        Some(ref sub_stdout) =>
[INFO] [stderr] 332 | |           match poll.register(sub_stdout, subprocess.stdout_token, Ready::readable(),
[INFO] [stderr] 333 | |                                                    PollOpt::level()) {
[INFO] [stderr] ...   |
[INFO] [stderr] 337 | |        None => {},
[INFO] [stderr] 338 | |     }
[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] 330 |     if let Some(ref sub_stdout) = subprocess.stdout { match poll.register(sub_stdout, subprocess.stdout_token, Ready::readable(),
[INFO] [stderr] 331 |                                          PollOpt::level()) {
[INFO] [stderr] 332 |   Err(e) => return (Vec::<u8>::new(), Vec::<u8>::new(), Err(e)),
[INFO] [stderr] 333 |   Ok(_) =>{},
[INFO] [stderr] 334 | } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/unix.rs:332:11
[INFO] [stderr]     |
[INFO] [stderr] 332 | /           match poll.register(sub_stdout, subprocess.stdout_token, Ready::readable(),
[INFO] [stderr] 333 | |                                                    PollOpt::level()) {
[INFO] [stderr] 334 | |             Err(e) => return (Vec::<u8>::new(), Vec::<u8>::new(), Err(e)),
[INFO] [stderr] 335 | |             Ok(_) =>{},
[INFO] [stderr] 336 | |           },
[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] 332 |           if let Err(e) = poll.register(sub_stdout, subprocess.stdout_token, Ready::readable(),
[INFO] [stderr] 333 |                                                    PollOpt::level()) { return (Vec::<u8>::new(), Vec::<u8>::new(), Err(e)) },
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/unix.rs:340:5
[INFO] [stderr]     |
[INFO] [stderr] 340 | /     match subprocess.stderr {
[INFO] [stderr] 341 | |         Some(ref sub_stderr) => match poll.register(sub_stderr, subprocess.stderr_token, Ready::readable(),
[INFO] [stderr] 342 | |                         PollOpt::level()) {
[INFO] [stderr] 343 | |            Err(e) => return (Vec::<u8>::new(), Vec::<u8>::new(), Err(e)),
[INFO] [stderr] ...   |
[INFO] [stderr] 346 | |         None => {},
[INFO] [stderr] 347 | |     }
[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] 340 |     if let Some(ref sub_stderr) = subprocess.stderr { match poll.register(sub_stderr, subprocess.stderr_token, Ready::readable(),
[INFO] [stderr] 341 |                 PollOpt::level()) {
[INFO] [stderr] 342 |    Err(e) => return (Vec::<u8>::new(), Vec::<u8>::new(), Err(e)),
[INFO] [stderr] 343 |    Ok(_) => {},
[INFO] [stderr] 344 | } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/unix.rs:341:33
[INFO] [stderr]     |
[INFO] [stderr] 341 |           Some(ref sub_stderr) => match poll.register(sub_stderr, subprocess.stderr_token, Ready::readable(),
[INFO] [stderr]     |  _________________________________^
[INFO] [stderr] 342 | |                         PollOpt::level()) {
[INFO] [stderr] 343 | |            Err(e) => return (Vec::<u8>::new(), Vec::<u8>::new(), Err(e)),
[INFO] [stderr] 344 | |            Ok(_) => {},
[INFO] [stderr] 345 | |         },
[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] 341 |         Some(ref sub_stderr) => if let Err(e) = poll.register(sub_stderr, subprocess.stderr_token, Ready::readable(),
[INFO] [stderr] 342 |                         PollOpt::level()) { return (Vec::<u8>::new(), Vec::<u8>::new(), Err(e)) },
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/unix.rs:350:5
[INFO] [stderr]     |
[INFO] [stderr] 350 | /     match subprocess.stdin {
[INFO] [stderr] 351 | |         Some (ref sub_stdin) => match poll.register(sub_stdin, subprocess.stdin_token, Ready::writable(),
[INFO] [stderr] 352 | |                         PollOpt::level()) {
[INFO] [stderr] 353 | |            Err(e) => return (Vec::<u8>::new(), Vec::<u8>::new(), Err(e)),
[INFO] [stderr] ...   |
[INFO] [stderr] 356 | |          None => {},
[INFO] [stderr] 357 | |     }
[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] 350 |     if let Some (ref sub_stdin) = subprocess.stdin { match poll.register(sub_stdin, subprocess.stdin_token, Ready::writable(),
[INFO] [stderr] 351 |                PollOpt::level()) {
[INFO] [stderr] 352 |   Err(e) => return (Vec::<u8>::new(), Vec::<u8>::new(), Err(e)),
[INFO] [stderr] 353 |   Ok(_) => {},
[INFO] [stderr] 354 | } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/unix.rs:351:33
[INFO] [stderr]     |
[INFO] [stderr] 351 |           Some (ref sub_stdin) => match poll.register(sub_stdin, subprocess.stdin_token, Ready::writable(),
[INFO] [stderr]     |  _________________________________^
[INFO] [stderr] 352 | |                         PollOpt::level()) {
[INFO] [stderr] 353 | |            Err(e) => return (Vec::<u8>::new(), Vec::<u8>::new(), Err(e)),
[INFO] [stderr] 354 | |            Ok(_) => {},
[INFO] [stderr] 355 | |          },
[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] 351 |         Some (ref sub_stdin) => if let Err(e) = poll.register(sub_stdin, subprocess.stdin_token, Ready::writable(),
[INFO] [stderr] 352 |                         PollOpt::level()) { return (Vec::<u8>::new(), Vec::<u8>::new(), Err(e)) },
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `i` is used as a loop counter. Consider using `for (i, item) in TEST_DATA.iter().enumerate()` or similar iterators
[INFO] [stderr]    --> src/unix.rs:389:18
[INFO] [stderr]     |
[INFO] [stderr] 389 |      for item in TEST_DATA.iter() {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::explicit_counter_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `i` is used as a loop counter. Consider using `for (i, item) in TEST_DATA[0..TEST_DATA.len() - 1].iter().enumerate()` or similar iterators
[INFO] [stderr]    --> src/unix.rs:410:18
[INFO] [stderr]     |
[INFO] [stderr] 410 |      for item in TEST_DATA[0..TEST_DATA.len() - 1].iter() {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `i` is used as a loop counter. Consider using `for (i, item) in ret_stdout.iter().enumerate()` or similar iterators
[INFO] [stderr]    --> src/unix.rs:430:18
[INFO] [stderr]     |
[INFO] [stderr] 430 |      for item in ret_stdout.iter() {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/unix.rs:431:10
[INFO] [stderr]     |
[INFO] [stderr] 431 | /          let val : u8;
[INFO] [stderr] 432 | |          if (i & 1) == 1 {
[INFO] [stderr] 433 | |              val = '\n' as u8;
[INFO] [stderr] 434 | |          } else {
[INFO] [stderr] 435 | |              val = 'y' as u8;
[INFO] [stderr] 436 | |          }
[INFO] [stderr]     | |__________^ help: it is more idiomatic to write: `let val = if (i & 1) == 1 { '\n' as u8 } else { 'y' as u8 };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/unix.rs:433:20
[INFO] [stderr]     |
[INFO] [stderr] 433 |              val = '\n' as u8;
[INFO] [stderr]     |                    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'\n'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/unix.rs:435:20
[INFO] [stderr]     |
[INFO] [stderr] 435 |              val = 'y' as u8;
[INFO] [stderr]     |                    ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'y'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `i` is used as a loop counter. Consider using `for (i, item) in ret_stdout.iter().enumerate()` or similar iterators
[INFO] [stderr]    --> src/unix.rs:456:18
[INFO] [stderr]     |
[INFO] [stderr] 456 |      for item in ret_stdout.iter() {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/unix.rs:457:10
[INFO] [stderr]     |
[INFO] [stderr] 457 | /          let val : u8;
[INFO] [stderr] 458 | |          if (i & 1) == 1 {
[INFO] [stderr] 459 | |              val = '\n' as u8;
[INFO] [stderr] 460 | |          } else {
[INFO] [stderr] 461 | |              val = 'y' as u8;
[INFO] [stderr] 462 | |          }
[INFO] [stderr]     | |__________^ help: it is more idiomatic to write: `let val = if (i & 1) == 1 { '\n' as u8 } else { 'y' as u8 };`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/unix.rs:459:20
[INFO] [stderr]     |
[INFO] [stderr] 459 |              val = '\n' as u8;
[INFO] [stderr]     |                    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'\n'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/unix.rs:461:20
[INFO] [stderr]     |
[INFO] [stderr] 461 |              val = 'y' as u8;
[INFO] [stderr]     |                    ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'y'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `i` is used as a loop counter. Consider using `for (i, item) in ret_stdout.iter().enumerate()` or similar iterators
[INFO] [stderr]    --> src/unix.rs:482:18
[INFO] [stderr]     |
[INFO] [stderr] 482 |      for item in ret_stdout.iter() {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/unix.rs:483:10
[INFO] [stderr]     |
[INFO] [stderr] 483 | /          let val : u8;
[INFO] [stderr] 484 | |          if (i & 1) == 1 {
[INFO] [stderr] 485 | |              val = '\n' as u8;
[INFO] [stderr] 486 | |          } else {
[INFO] [stderr] 487 | |              val = 'y' as u8;
[INFO] [stderr] 488 | |          }
[INFO] [stderr]     | |__________^ help: it is more idiomatic to write: `let val = if (i & 1) == 1 { '\n' as u8 } else { 'y' as u8 };`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/unix.rs:485:20
[INFO] [stderr]     |
[INFO] [stderr] 485 |              val = '\n' as u8;
[INFO] [stderr]     |                    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'\n'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/unix.rs:487:20
[INFO] [stderr]     |
[INFO] [stderr] 487 |              val = 'y' as u8;
[INFO] [stderr]     |                    ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'y'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "122e5cb6d26ed5831a587c35e996312c11d3401eb8de68b327fcf2d0a7c38419"`
[INFO] running `"docker" "rm" "-f" "122e5cb6d26ed5831a587c35e996312c11d3401eb8de68b327fcf2d0a7c38419"`
[INFO] [stdout] 122e5cb6d26ed5831a587c35e996312c11d3401eb8de68b327fcf2d0a7c38419