[INFO] crate iostream 0.1.2 is already in cache
[INFO] extracting crate iostream 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/iostream/0.1.2
[INFO] extracting crate iostream 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/iostream/0.1.2
[INFO] validating manifest of iostream-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 iostream-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 iostream-0.1.2
[INFO] finished frobbing iostream-0.1.2
[INFO] frobbed toml for iostream-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/iostream/0.1.2/Cargo.toml
[INFO] started frobbing iostream-0.1.2
[INFO] finished frobbing iostream-0.1.2
[INFO] frobbed toml for iostream-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/iostream/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 iostream-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-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/iostream/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] 95014616517b7f0d61cea04c4d868362dfb6933aaf62e065420517510e3d57b8
[INFO] running `"docker" "start" "-a" "95014616517b7f0d61cea04c4d868362dfb6933aaf62e065420517510e3d57b8"`
[INFO] [stderr]     Checking iostream v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/io/memory/memory_stream.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 |        m
[INFO] [stderr]    |        ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/io/memory/memory_stream.rs:23:15
[INFO] [stderr]    |
[INFO] [stderr] 23 |          let m= if buf.len()>0{
[INFO] [stderr]    |  _______________^
[INFO] [stderr] 24 | |            MemoryStream{
[INFO] [stderr] 25 | |                data:Vec::from(buf),
[INFO] [stderr] 26 | |                position:0
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |            }
[INFO] [stderr] 33 | |        };
[INFO] [stderr]    | |________^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/io/memory/memory_stream.rs:205:25
[INFO] [stderr]     |
[INFO] [stderr] 205 |                         return Err("End".to_string())
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err("End".to_string())`
[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/io/memory/memory_stream.rs:224:21
[INFO] [stderr]     |
[INFO] [stderr] 224 |                     return Ok(self.position)
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(self.position)`
[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/io/memory/memory_stream.rs:230:25
[INFO] [stderr]     |
[INFO] [stderr] 230 |                         return Ok(self.position)
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(self.position)`
[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/io/memory/memory_stream.rs:237:25
[INFO] [stderr]     |
[INFO] [stderr] 237 |                         return Ok(self.position)
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(self.position)`
[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/io/memory/memory_stream.rs:246:17
[INFO] [stderr]     |
[INFO] [stderr] 246 |                 return Ok(self.position)
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(self.position)`
[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/io/file/mod.rs:569:25
[INFO] [stderr]     |
[INFO] [stderr] 569 |                         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/io/file/mod.rs:651:25
[INFO] [stderr]     |
[INFO] [stderr] 651 |                         return Ok(i[0])
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(i[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/io/file/mod.rs:870:8
[INFO] [stderr]     |
[INFO] [stderr] 870 | /        if path.exists(){
[INFO] [stderr] 871 | |            if path.is_file(){
[INFO] [stderr] 872 | |                return true;
[INFO] [stderr] 873 | |            }
[INFO] [stderr] 874 | |        }
[INFO] [stderr]     | |________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 870 |        if path.exists() && path.is_file() {
[INFO] [stderr] 871 |     return true;
[INFO] [stderr] 872 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/io/file/mod.rs:882:22
[INFO] [stderr]     |
[INFO] [stderr] 882 |             Ok(())=> return true,
[INFO] [stderr]     |                      ^^^^^^^^^^^ help: remove `return` as shown: `true`
[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/io/file/mod.rs:883:22
[INFO] [stderr]     |
[INFO] [stderr] 883 |             Err(_e)=>return false
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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/io/stream_rw/stream_reader.rs:294:9
[INFO] [stderr]     |
[INFO] [stderr] 294 |         return Ok(array);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(array)`
[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/io/stream_rw/stream_reader.rs:379:9
[INFO] [stderr]     |
[INFO] [stderr] 379 |         return  Ok(String::from_utf8_lossy(&data).to_string())
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(String::from_utf8_lossy(&data).to_string())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:406:9
[INFO] [stderr]     |
[INFO] [stderr] 406 |         return Ok(list)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(list)`
[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/io/stream_rw/mod.rs:27:17
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let ff:i64= 0xffffffff;
[INFO] [stderr]    |                 ^^^^^^^^^^ help: consider: `0xffff_ffff`
[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/io/stream_rw/mod.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let ff:u64= 0xffffffff;
[INFO] [stderr]    |                 ^^^^^^^^^^ help: consider: `0xffff_ffff`
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/io/memory/memory_stream.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 |        m
[INFO] [stderr]    |        ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/io/memory/memory_stream.rs:23:15
[INFO] [stderr]    |
[INFO] [stderr] 23 |          let m= if buf.len()>0{
[INFO] [stderr]    |  _______________^
[INFO] [stderr] 24 | |            MemoryStream{
[INFO] [stderr] 25 | |                data:Vec::from(buf),
[INFO] [stderr] 26 | |                position:0
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |            }
[INFO] [stderr] 33 | |        };
[INFO] [stderr]    | |________^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/io/memory/memory_stream.rs:205:25
[INFO] [stderr]     |
[INFO] [stderr] 205 |                         return Err("End".to_string())
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err("End".to_string())`
[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/io/memory/memory_stream.rs:224:21
[INFO] [stderr]     |
[INFO] [stderr] 224 |                     return Ok(self.position)
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(self.position)`
[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/io/memory/memory_stream.rs:230:25
[INFO] [stderr]     |
[INFO] [stderr] 230 |                         return Ok(self.position)
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(self.position)`
[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/io/memory/memory_stream.rs:237:25
[INFO] [stderr]     |
[INFO] [stderr] 237 |                         return Ok(self.position)
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(self.position)`
[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/io/memory/memory_stream.rs:246:17
[INFO] [stderr]     |
[INFO] [stderr] 246 |                 return Ok(self.position)
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(self.position)`
[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/io/file/mod.rs:569:25
[INFO] [stderr]     |
[INFO] [stderr] 569 |                         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/io/file/mod.rs:651:25
[INFO] [stderr]     |
[INFO] [stderr] 651 |                         return Ok(i[0])
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(i[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/io/file/mod.rs:870:8
[INFO] [stderr]     |
[INFO] [stderr] 870 | /        if path.exists(){
[INFO] [stderr] 871 | |            if path.is_file(){
[INFO] [stderr] 872 | |                return true;
[INFO] [stderr] 873 | |            }
[INFO] [stderr] 874 | |        }
[INFO] [stderr]     | |________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 870 |        if path.exists() && path.is_file() {
[INFO] [stderr] 871 |     return true;
[INFO] [stderr] 872 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/io/file/mod.rs:882:22
[INFO] [stderr]     |
[INFO] [stderr] 882 |             Ok(())=> return true,
[INFO] [stderr]     |                      ^^^^^^^^^^^ help: remove `return` as shown: `true`
[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/io/file/mod.rs:883:22
[INFO] [stderr]     |
[INFO] [stderr] 883 |             Err(_e)=>return false
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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/io/stream_rw/stream_reader.rs:294:9
[INFO] [stderr]     |
[INFO] [stderr] 294 |         return Ok(array);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(array)`
[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/io/stream_rw/stream_reader.rs:379:9
[INFO] [stderr]     |
[INFO] [stderr] 379 |         return  Ok(String::from_utf8_lossy(&data).to_string())
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(String::from_utf8_lossy(&data).to_string())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:406:9
[INFO] [stderr]     |
[INFO] [stderr] 406 |         return Ok(list)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(list)`
[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/io/stream_rw/mod.rs:27:17
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let ff:i64= 0xffffffff;
[INFO] [stderr]    |                 ^^^^^^^^^^ help: consider: `0xffff_ffff`
[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/io/stream_rw/mod.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let ff:u64= 0xffffffff;
[INFO] [stderr]    |                 ^^^^^^^^^^ help: consider: `0xffff_ffff`
[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: you should consider deriving a `Default` implementation for `io::memory::memory_stream::MemoryStream`
[INFO] [stderr]   --> src/io/memory/memory_stream.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | /     pub fn new()->MemoryStream{
[INFO] [stderr] 14 | | 
[INFO] [stderr] 15 | |         MemoryStream{
[INFO] [stderr] 16 | |             data:Vec::new(),
[INFO] [stderr] 17 | |             position:0
[INFO] [stderr] 18 | |         }
[INFO] [stderr] 19 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 7  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/io/memory/memory_stream.rs:23:18
[INFO] [stderr]    |
[INFO] [stderr] 23 |        let m= if buf.len()>0{
[INFO] [stderr]    |                  ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!buf.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/io/memory/memory_stream.rs:56:24
[INFO] [stderr]    |
[INFO] [stderr] 56 |             return Err(format!("set position value greater then stream length,please use Seek"));
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"set position value greater then stream length,please use Seek".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/io/memory/memory_stream.rs:199:37
[INFO] [stderr]     |
[INFO] [stderr] 199 |                         let x: u8 = i.clone();
[INFO] [stderr]     |                                     ^^^^^^^^^ help: try dereferencing it: `*i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i16 may become silently lossy if types change
[INFO] [stderr]   --> src/io/stream_rw/stream_reader.rs:75:29
[INFO] [stderr]    |
[INFO] [stderr] 75 |             let result:i16=(data[0] as i16|((data[1] as i16)<<8)) as i16;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^ help: try: `i16::from(data[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i16 may become silently lossy if types change
[INFO] [stderr]   --> src/io/stream_rw/stream_reader.rs:75:45
[INFO] [stderr]    |
[INFO] [stderr] 75 |             let result:i16=(data[0] as i16|((data[1] as i16)<<8)) as i16;
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^ help: try: `i16::from(data[1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/io/stream_rw/stream_reader.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |             Err(format!("End"))
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: consider using .to_string(): `"End".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:101:29
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let result:u16=(data[0] as u16|((data[1] as u16)<<8)) as u16;
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^ help: try: `u16::from(data[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:101:45
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let result:u16=(data[0] as u16|((data[1] as u16)<<8)) as u16;
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^ help: try: `u16::from(data[1])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:109:17
[INFO] [stderr]     |
[INFO] [stderr] 109 |             Err(format!("End"))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: consider using .to_string(): `"End".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*const u8` to a more-strictly-aligned pointer (`*const u32`)
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:126:36
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 let result: u32 = *(data.as_ptr() as *const u32);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::cast_ptr_alignment)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |             Err(format!("End"))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: consider using .to_string(): `"End".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*const u8` to a more-strictly-aligned pointer (`*const i32`)
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:152:36
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 let result: i32 = *(data.as_ptr() as *const i32);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:161:17
[INFO] [stderr]     |
[INFO] [stderr] 161 |             Err(format!("End"))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: consider using .to_string(): `"End".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*const u8` to a more-strictly-aligned pointer (`*const i64`)
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:176:36
[INFO] [stderr]     |
[INFO] [stderr] 176 |                 let result: i64 = *(data.as_ptr() as *const i64);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:185:17
[INFO] [stderr]     |
[INFO] [stderr] 185 |             Err(format!("End"))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: consider using .to_string(): `"End".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*const u8` to a more-strictly-aligned pointer (`*const u64`)
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:200:36
[INFO] [stderr]     |
[INFO] [stderr] 200 |                 let result: u64 = *(data.as_ptr() as *const u64);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:209:17
[INFO] [stderr]     |
[INFO] [stderr] 209 |             Err(format!("End"))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: consider using .to_string(): `"End".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*const u8` to a more-strictly-aligned pointer (`*const f32`)
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:224:36
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 let result: f32 = *(data.as_ptr() as *const f32);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:228:17
[INFO] [stderr]     |
[INFO] [stderr] 228 |             Err(format!("End"))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: consider using .to_string(): `"End".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*const u8` to a more-strictly-aligned pointer (`*const f64`)
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:243:36
[INFO] [stderr]     |
[INFO] [stderr] 243 |                 let result: f64 = *(data.as_ptr() as *const f64);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:248:17
[INFO] [stderr]     |
[INFO] [stderr] 248 |             Err(format!("End"))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: consider using .to_string(): `"End".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:312:17
[INFO] [stderr]     |
[INFO] [stderr] 312 |             a1|=((i&0x7f)<<a2) as u32;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from((i&0x7f)<<a2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[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/io/stream_rw/stream_reader.rs:350:31
[INFO] [stderr]     |
[INFO] [stderr] 350 |                         if i=='\r' 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'\r'
[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/io/stream_rw/stream_reader.rs:353:41
[INFO] [stderr]     |
[INFO] [stderr] 353 |                                 if i == '\n' as u8 { //if windows \r\n
[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/io/stream_rw/stream_reader.rs:361:37
[INFO] [stderr]     |
[INFO] [stderr] 361 |                         }else if i=='\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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/io/stream_rw/stream_writer.rs:59:35
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn write_byte(&mut self,b:&u8)->Result<(),String>
[INFO] [stderr]    |                                   ^^^ help: consider passing by value instead: `u8`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/io/stream_rw/stream_writer.rs:61:26
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let data:[u8;1]=[b.clone();1];
[INFO] [stderr]    |                          ^^^^^^^^^ help: try dereferencing it: `*b`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/io/stream_rw/stream_writer.rs:67:38
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn write_i16(&mut self,value:&i16)->Result<(),String>
[INFO] [stderr]    |                                      ^^^^ help: consider passing by value instead: `i16`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut i16`)
[INFO] [stderr]   --> src/io/stream_rw/stream_writer.rs:72:19
[INFO] [stderr]    |
[INFO] [stderr] 72 |             let x=data.as_mut_ptr() as *mut i16;
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/io/stream_rw/stream_writer.rs:76:26
[INFO] [stderr]    |
[INFO] [stderr] 76 |                     *x = value.clone();
[INFO] [stderr]    |                          ^^^^^^^^^^^^^ help: try dereferencing it: `*value`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/io/stream_rw/stream_writer.rs:92:38
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn write_u16(&mut self,value:&u16)->Result<(),String>
[INFO] [stderr]    |                                      ^^^^ help: consider passing by value instead: `u16`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut u16`)
[INFO] [stderr]   --> src/io/stream_rw/stream_writer.rs:97:19
[INFO] [stderr]    |
[INFO] [stderr] 97 |             let x=data.as_mut_ptr() as *mut u16;
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:101:26
[INFO] [stderr]     |
[INFO] [stderr] 101 |                     *x = value.clone();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^ help: try dereferencing it: `*value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:116:38
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn write_i32(&mut self,value:&i32)->Result<(),String>
[INFO] [stderr]     |                                      ^^^^ help: consider passing by value instead: `i32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut i32`)
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:121:19
[INFO] [stderr]     |
[INFO] [stderr] 121 |             let x=data.as_mut_ptr() as *mut i32;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:124:26
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     *x = value.clone();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^ help: try dereferencing it: `*value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:138:38
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn write_u32(&mut self,value:&u32)->Result<(),String>
[INFO] [stderr]     |                                      ^^^^ help: consider passing by value instead: `u32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut u32`)
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:143:19
[INFO] [stderr]     |
[INFO] [stderr] 143 |             let x=data.as_mut_ptr() as *mut u32;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:146:26
[INFO] [stderr]     |
[INFO] [stderr] 146 |                     *x = value.clone();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^ help: try dereferencing it: `*value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:160:38
[INFO] [stderr]     |
[INFO] [stderr] 160 |     pub fn write_i64(&mut self,value:&i64)->Result<(),String>
[INFO] [stderr]     |                                      ^^^^ help: consider passing by value instead: `i64`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut i64`)
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:165:19
[INFO] [stderr]     |
[INFO] [stderr] 165 |             let x=data.as_mut_ptr() as *mut i64;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:168:26
[INFO] [stderr]     |
[INFO] [stderr] 168 |                     *x = value.clone();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^ help: try dereferencing it: `*value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:182:38
[INFO] [stderr]     |
[INFO] [stderr] 182 |     pub fn write_u64(&mut self,value:&u64)->Result<(),String>
[INFO] [stderr]     |                                      ^^^^ help: consider passing by value instead: `u64`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut u64`)
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:187:19
[INFO] [stderr]     |
[INFO] [stderr] 187 |             let x=data.as_mut_ptr() as *mut u64;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:190:26
[INFO] [stderr]     |
[INFO] [stderr] 190 |                     *x = value.clone();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^ help: try dereferencing it: `*value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:204:41
[INFO] [stderr]     |
[INFO] [stderr] 204 |     pub fn write_single(&mut self,value:&f32)->Result<(),String> {
[INFO] [stderr]     |                                         ^^^^ help: consider passing by value instead: `f32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut f32`)
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:208:19
[INFO] [stderr]     |
[INFO] [stderr] 208 |             let x=data.as_mut_ptr() as *mut f32;{
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:209:26
[INFO] [stderr]     |
[INFO] [stderr] 209 |                     *x = value.clone();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^ help: try dereferencing it: `*value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:219:41
[INFO] [stderr]     |
[INFO] [stderr] 219 |     pub fn write_double(&mut self,value:&f64)->Result<(),String>{
[INFO] [stderr]     |                                         ^^^^ help: consider passing by value instead: `f64`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut f64`)
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:223:19
[INFO] [stderr]     |
[INFO] [stderr] 223 |             let x=data.as_mut_ptr() as *mut f64;{
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:224:22
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 *x = value.clone();
[INFO] [stderr]     |                      ^^^^^^^^^^^^^ help: try dereferencing it: `*value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:231:46
[INFO] [stderr]     |
[INFO] [stderr] 231 |     fn write_7bit_encode_int(&mut self,value:&u32)->Result<(),String>{
[INFO] [stderr]     |                                              ^^^^ help: consider passing by value instead: `u32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:232:21
[INFO] [stderr]     |
[INFO] [stderr] 232 |         let mut num=value.clone();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^ help: try dereferencing it: `*value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |             num=num>>7;
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `num >>= 7`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn swap_i16(i:&i16)->i16{
[INFO] [stderr]    |               ^^^^ help: consider passing by value instead: `i16`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:16:15
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn swap_i32(i:&i32)->i32{
[INFO] [stderr]    |               ^^^^ help: consider passing by value instead: `i32`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting i16 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:21:14
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let d1=  swap_i16(&v) as i32;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(swap_i16(&v))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i16 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let d2=swap_i16(&c) as i32;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(swap_i16(&c))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn swap_i64(i:&i64)->i64{
[INFO] [stderr]    |               ^^^^ help: consider passing by value instead: `i64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:31:14
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let d1=  swap_i32(&v) as i64;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(swap_i32(&v))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let d2=swap_i32(&c) as i64;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(swap_i32(&c))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:36:15
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn swap_u16(i:&u16)->u16{
[INFO] [stderr]    |               ^^^^ help: consider passing by value instead: `u16`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:41:15
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn swap_u32(i:&u32)->u32{
[INFO] [stderr]    |               ^^^^ help: consider passing by value instead: `u32`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:46:14
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let d1=  swap_u16(&v) as u32;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(swap_u16(&v))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let d2=swap_u16(&c) as u32;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(swap_u16(&c))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:51:15
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn swap_u64(i:&u64)->u64{
[INFO] [stderr]    |               ^^^^ help: consider passing by value instead: `u64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:56:14
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let d1=  swap_u32(&v) as u64;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(swap_u32(&v))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let d2=swap_u32(&c) as u64;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(swap_u32(&c))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 14 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `iostream`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `io::memory::memory_stream::MemoryStream`
[INFO] [stderr]   --> src/io/memory/memory_stream.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | /     pub fn new()->MemoryStream{
[INFO] [stderr] 14 | | 
[INFO] [stderr] 15 | |         MemoryStream{
[INFO] [stderr] 16 | |             data:Vec::new(),
[INFO] [stderr] 17 | |             position:0
[INFO] [stderr] 18 | |         }
[INFO] [stderr] 19 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 7  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/io/memory/memory_stream.rs:23:18
[INFO] [stderr]    |
[INFO] [stderr] 23 |        let m= if buf.len()>0{
[INFO] [stderr]    |                  ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!buf.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/io/memory/memory_stream.rs:56:24
[INFO] [stderr]    |
[INFO] [stderr] 56 |             return Err(format!("set position value greater then stream length,please use Seek"));
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"set position value greater then stream length,please use Seek".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/io/memory/memory_stream.rs:199:37
[INFO] [stderr]     |
[INFO] [stderr] 199 |                         let x: u8 = i.clone();
[INFO] [stderr]     |                                     ^^^^^^^^^ help: try dereferencing it: `*i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i16 may become silently lossy if types change
[INFO] [stderr]   --> src/io/stream_rw/stream_reader.rs:75:29
[INFO] [stderr]    |
[INFO] [stderr] 75 |             let result:i16=(data[0] as i16|((data[1] as i16)<<8)) as i16;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^ help: try: `i16::from(data[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i16 may become silently lossy if types change
[INFO] [stderr]   --> src/io/stream_rw/stream_reader.rs:75:45
[INFO] [stderr]    |
[INFO] [stderr] 75 |             let result:i16=(data[0] as i16|((data[1] as i16)<<8)) as i16;
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^ help: try: `i16::from(data[1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/io/stream_rw/stream_reader.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |             Err(format!("End"))
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: consider using .to_string(): `"End".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:101:29
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let result:u16=(data[0] as u16|((data[1] as u16)<<8)) as u16;
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^ help: try: `u16::from(data[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:101:45
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let result:u16=(data[0] as u16|((data[1] as u16)<<8)) as u16;
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^ help: try: `u16::from(data[1])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:109:17
[INFO] [stderr]     |
[INFO] [stderr] 109 |             Err(format!("End"))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: consider using .to_string(): `"End".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*const u8` to a more-strictly-aligned pointer (`*const u32`)
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:126:36
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 let result: u32 = *(data.as_ptr() as *const u32);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::cast_ptr_alignment)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |             Err(format!("End"))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: consider using .to_string(): `"End".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*const u8` to a more-strictly-aligned pointer (`*const i32`)
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:152:36
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 let result: i32 = *(data.as_ptr() as *const i32);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:161:17
[INFO] [stderr]     |
[INFO] [stderr] 161 |             Err(format!("End"))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: consider using .to_string(): `"End".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*const u8` to a more-strictly-aligned pointer (`*const i64`)
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:176:36
[INFO] [stderr]     |
[INFO] [stderr] 176 |                 let result: i64 = *(data.as_ptr() as *const i64);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:185:17
[INFO] [stderr]     |
[INFO] [stderr] 185 |             Err(format!("End"))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: consider using .to_string(): `"End".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*const u8` to a more-strictly-aligned pointer (`*const u64`)
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:200:36
[INFO] [stderr]     |
[INFO] [stderr] 200 |                 let result: u64 = *(data.as_ptr() as *const u64);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:209:17
[INFO] [stderr]     |
[INFO] [stderr] 209 |             Err(format!("End"))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: consider using .to_string(): `"End".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*const u8` to a more-strictly-aligned pointer (`*const f32`)
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:224:36
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 let result: f32 = *(data.as_ptr() as *const f32);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:228:17
[INFO] [stderr]     |
[INFO] [stderr] 228 |             Err(format!("End"))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: consider using .to_string(): `"End".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*const u8` to a more-strictly-aligned pointer (`*const f64`)
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:243:36
[INFO] [stderr]     |
[INFO] [stderr] 243 |                 let result: f64 = *(data.as_ptr() as *const f64);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:248:17
[INFO] [stderr]     |
[INFO] [stderr] 248 |             Err(format!("End"))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: consider using .to_string(): `"End".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/io/stream_rw/stream_reader.rs:312:17
[INFO] [stderr]     |
[INFO] [stderr] 312 |             a1|=((i&0x7f)<<a2) as u32;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from((i&0x7f)<<a2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[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/io/stream_rw/stream_reader.rs:350:31
[INFO] [stderr]     |
[INFO] [stderr] 350 |                         if i=='\r' 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'\r'
[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/io/stream_rw/stream_reader.rs:353:41
[INFO] [stderr]     |
[INFO] [stderr] 353 |                                 if i == '\n' as u8 { //if windows \r\n
[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/io/stream_rw/stream_reader.rs:361:37
[INFO] [stderr]     |
[INFO] [stderr] 361 |                         }else if i=='\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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/io/stream_rw/stream_writer.rs:59:35
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn write_byte(&mut self,b:&u8)->Result<(),String>
[INFO] [stderr]    |                                   ^^^ help: consider passing by value instead: `u8`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/io/stream_rw/stream_writer.rs:61:26
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let data:[u8;1]=[b.clone();1];
[INFO] [stderr]    |                          ^^^^^^^^^ help: try dereferencing it: `*b`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/io/stream_rw/stream_writer.rs:67:38
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn write_i16(&mut self,value:&i16)->Result<(),String>
[INFO] [stderr]    |                                      ^^^^ help: consider passing by value instead: `i16`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut i16`)
[INFO] [stderr]   --> src/io/stream_rw/stream_writer.rs:72:19
[INFO] [stderr]    |
[INFO] [stderr] 72 |             let x=data.as_mut_ptr() as *mut i16;
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/io/stream_rw/stream_writer.rs:76:26
[INFO] [stderr]    |
[INFO] [stderr] 76 |                     *x = value.clone();
[INFO] [stderr]    |                          ^^^^^^^^^^^^^ help: try dereferencing it: `*value`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/io/stream_rw/stream_writer.rs:92:38
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn write_u16(&mut self,value:&u16)->Result<(),String>
[INFO] [stderr]    |                                      ^^^^ help: consider passing by value instead: `u16`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut u16`)
[INFO] [stderr]   --> src/io/stream_rw/stream_writer.rs:97:19
[INFO] [stderr]    |
[INFO] [stderr] 97 |             let x=data.as_mut_ptr() as *mut u16;
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:101:26
[INFO] [stderr]     |
[INFO] [stderr] 101 |                     *x = value.clone();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^ help: try dereferencing it: `*value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:116:38
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn write_i32(&mut self,value:&i32)->Result<(),String>
[INFO] [stderr]     |                                      ^^^^ help: consider passing by value instead: `i32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut i32`)
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:121:19
[INFO] [stderr]     |
[INFO] [stderr] 121 |             let x=data.as_mut_ptr() as *mut i32;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:124:26
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     *x = value.clone();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^ help: try dereferencing it: `*value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:138:38
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn write_u32(&mut self,value:&u32)->Result<(),String>
[INFO] [stderr]     |                                      ^^^^ help: consider passing by value instead: `u32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut u32`)
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:143:19
[INFO] [stderr]     |
[INFO] [stderr] 143 |             let x=data.as_mut_ptr() as *mut u32;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:146:26
[INFO] [stderr]     |
[INFO] [stderr] 146 |                     *x = value.clone();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^ help: try dereferencing it: `*value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:160:38
[INFO] [stderr]     |
[INFO] [stderr] 160 |     pub fn write_i64(&mut self,value:&i64)->Result<(),String>
[INFO] [stderr]     |                                      ^^^^ help: consider passing by value instead: `i64`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut i64`)
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:165:19
[INFO] [stderr]     |
[INFO] [stderr] 165 |             let x=data.as_mut_ptr() as *mut i64;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:168:26
[INFO] [stderr]     |
[INFO] [stderr] 168 |                     *x = value.clone();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^ help: try dereferencing it: `*value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:182:38
[INFO] [stderr]     |
[INFO] [stderr] 182 |     pub fn write_u64(&mut self,value:&u64)->Result<(),String>
[INFO] [stderr]     |                                      ^^^^ help: consider passing by value instead: `u64`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut u64`)
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:187:19
[INFO] [stderr]     |
[INFO] [stderr] 187 |             let x=data.as_mut_ptr() as *mut u64;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:190:26
[INFO] [stderr]     |
[INFO] [stderr] 190 |                     *x = value.clone();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^ help: try dereferencing it: `*value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:204:41
[INFO] [stderr]     |
[INFO] [stderr] 204 |     pub fn write_single(&mut self,value:&f32)->Result<(),String> {
[INFO] [stderr]     |                                         ^^^^ help: consider passing by value instead: `f32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut f32`)
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:208:19
[INFO] [stderr]     |
[INFO] [stderr] 208 |             let x=data.as_mut_ptr() as *mut f32;{
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:209:26
[INFO] [stderr]     |
[INFO] [stderr] 209 |                     *x = value.clone();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^ help: try dereferencing it: `*value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:219:41
[INFO] [stderr]     |
[INFO] [stderr] 219 |     pub fn write_double(&mut self,value:&f64)->Result<(),String>{
[INFO] [stderr]     |                                         ^^^^ help: consider passing by value instead: `f64`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut f64`)
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:223:19
[INFO] [stderr]     |
[INFO] [stderr] 223 |             let x=data.as_mut_ptr() as *mut f64;{
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:224:22
[INFO] [stderr]     |
[INFO] [stderr] 224 |                 *x = value.clone();
[INFO] [stderr]     |                      ^^^^^^^^^^^^^ help: try dereferencing it: `*value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:231:46
[INFO] [stderr]     |
[INFO] [stderr] 231 |     fn write_7bit_encode_int(&mut self,value:&u32)->Result<(),String>{
[INFO] [stderr]     |                                              ^^^^ help: consider passing by value instead: `u32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:232:21
[INFO] [stderr]     |
[INFO] [stderr] 232 |         let mut num=value.clone();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^ help: try dereferencing it: `*value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/io/stream_rw/stream_writer.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |             num=num>>7;
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `num >>= 7`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn swap_i16(i:&i16)->i16{
[INFO] [stderr]    |               ^^^^ help: consider passing by value instead: `i16`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:16:15
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn swap_i32(i:&i32)->i32{
[INFO] [stderr]    |               ^^^^ help: consider passing by value instead: `i32`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting i16 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:21:14
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let d1=  swap_i16(&v) as i32;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(swap_i16(&v))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i16 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let d2=swap_i16(&c) as i32;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(swap_i16(&c))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn swap_i64(i:&i64)->i64{
[INFO] [stderr]    |               ^^^^ help: consider passing by value instead: `i64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:31:14
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let d1=  swap_i32(&v) as i64;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(swap_i32(&v))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let d2=swap_i32(&c) as i64;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(swap_i32(&c))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:36:15
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn swap_u16(i:&u16)->u16{
[INFO] [stderr]    |               ^^^^ help: consider passing by value instead: `u16`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:41:15
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn swap_u32(i:&u32)->u32{
[INFO] [stderr]    |               ^^^^ help: consider passing by value instead: `u32`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:46:14
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let d1=  swap_u16(&v) as u32;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(swap_u16(&v))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let d2=swap_u16(&c) as u32;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(swap_u16(&c))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:51:15
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn swap_u64(i:&u64)->u64{
[INFO] [stderr]    |               ^^^^ help: consider passing by value instead: `u64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:56:14
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let d1=  swap_u32(&v) as u64;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(swap_u32(&v))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/io/stream_rw/mod.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let d2=swap_u32(&c) as u64;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(swap_u32(&c))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 14 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `iostream`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "95014616517b7f0d61cea04c4d868362dfb6933aaf62e065420517510e3d57b8"`
[INFO] running `"docker" "rm" "-f" "95014616517b7f0d61cea04c4d868362dfb6933aaf62e065420517510e3d57b8"`
[INFO] [stdout] 95014616517b7f0d61cea04c4d868362dfb6933aaf62e065420517510e3d57b8