[INFO] updating cached repository dragman/chat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dragman/chat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dragman/chat" "work/ex/clippy-test-run/sources/stable/gh/dragman/chat"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/dragman/chat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dragman/chat" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dragman/chat"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dragman/chat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8d1f01b6f7dee43cb4875270829a25f54cede6cb
[INFO] sha for GitHub repo dragman/chat: 8d1f01b6f7dee43cb4875270829a25f54cede6cb
[INFO] validating manifest of dragman/chat 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 dragman/chat 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 dragman/chat
[INFO] finished frobbing dragman/chat
[INFO] frobbed toml for dragman/chat written to work/ex/clippy-test-run/sources/stable/gh/dragman/chat/Cargo.toml
[INFO] started frobbing dragman/chat
[INFO] finished frobbing dragman/chat
[INFO] frobbed toml for dragman/chat written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dragman/chat/Cargo.toml
[INFO] crate dragman/chat has a lockfile. skipping
[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 dragman/chat 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/gh/dragman/chat:/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] 407ca8ee4dfc2daae929a3a083e901ab38f0a8a9d42613063d01c8c246fa8b9a
[INFO] running `"docker" "start" "-a" "407ca8ee4dfc2daae929a3a083e901ab38f0a8a9d42613063d01c8c246fa8b9a"`
[INFO] [stderr]    Compiling http-muncher v0.3.1
[INFO] [stderr]     Checking sha1 v0.1.1
[INFO] [stderr]     Checking chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/frame.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |             opcode: opcode,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `opcode`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/frame.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |             header: header,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `header`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/frame.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |             payload: payload,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `payload`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/frame.rs:155:13
[INFO] [stderr]     |
[INFO] [stderr] 155 |             payload: payload,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `payload`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/frame.rs:187:17
[INFO] [stderr]     |
[INFO] [stderr] 187 |                 opcode: opcode,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: replace it with: `opcode`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:207:13
[INFO] [stderr]     |
[INFO] [stderr] 207 |             socket: socket,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `socket`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/frame.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |             opcode: opcode,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `opcode`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/frame.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |             header: header,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `header`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/frame.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |             payload: payload,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `payload`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/frame.rs:155:13
[INFO] [stderr]     |
[INFO] [stderr] 155 |             payload: payload,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `payload`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/frame.rs:187:17
[INFO] [stderr]     |
[INFO] [stderr] 187 |                 opcode: opcode,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: replace it with: `opcode`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:207:13
[INFO] [stderr]     |
[INFO] [stderr] 207 |             socket: socket,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `socket`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/frame.rs:226:9
[INFO] [stderr]     |
[INFO] [stderr] 226 | /         return match payload_len {
[INFO] [stderr] 227 | |             PAYLOAD_LEN_U64 => input
[INFO] [stderr] 228 | |                 .read_u64::<BigEndian>()
[INFO] [stderr] 229 | |                 .map(|v| v as usize)
[INFO] [stderr] ...   |
[INFO] [stderr] 235 | |             _ => Ok(payload_len as usize), // payload_len < 127
[INFO] [stderr] 236 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 226 |         match payload_len {
[INFO] [stderr] 227 |             PAYLOAD_LEN_U64 => input
[INFO] [stderr] 228 |                 .read_u64::<BigEndian>()
[INFO] [stderr] 229 |                 .map(|v| v as usize)
[INFO] [stderr] 230 |                 .map_err(From::from),
[INFO] [stderr] 231 |             PAYLOAD_LEN_U16 => input
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     return buf.to_base64(STANDARD);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `buf.to_base64(STANDARD)`
[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/frame.rs:226:9
[INFO] [stderr]     |
[INFO] [stderr] 226 | /         return match payload_len {
[INFO] [stderr] 227 | |             PAYLOAD_LEN_U64 => input
[INFO] [stderr] 228 | |                 .read_u64::<BigEndian>()
[INFO] [stderr] 229 | |                 .map(|v| v as usize)
[INFO] [stderr] ...   |
[INFO] [stderr] 235 | |             _ => Ok(payload_len as usize), // payload_len < 127
[INFO] [stderr] 236 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 226 |         match payload_len {
[INFO] [stderr] 227 |             PAYLOAD_LEN_U64 => input
[INFO] [stderr] 228 |                 .read_u64::<BigEndian>()
[INFO] [stderr] 229 |                 .map(|v| v as usize)
[INFO] [stderr] 230 |                 .map_err(From::from),
[INFO] [stderr] 231 |             PAYLOAD_LEN_U16 => input
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     return buf.to_base64(STANDARD);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `buf.to_base64(STANDARD)`
[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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/frame.rs:143:9
[INFO] [stderr]     |
[INFO] [stderr] 143 |         try!(output.write(&self.payload));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/frame.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         self.header.opcode.clone()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.header.opcode`
[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: length comparison to zero
[INFO] [stderr]    --> src/frame.rs:161:23
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let body = if recv_frame.payload.len() > 0 {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!recv_frame.payload.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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/frame.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |             body.write(status_code).unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/frame.rs:203:10
[INFO] [stderr]     |
[INFO] [stderr] 203 |         ((b1 as u16) << 8) | (b2 as u16)
[INFO] [stderr]     |          ^^^^^^^^^^^ help: try: `u16::from(b1)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/frame.rs:203:30
[INFO] [stderr]     |
[INFO] [stderr] 203 |         ((b1 as u16) << 8) | (b2 as u16)
[INFO] [stderr]     |                              ^^^^^^^^^^^ help: try: `u16::from(b2)`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/frame.rs:208:13
[INFO] [stderr]     |
[INFO] [stderr] 208 |             *c = *c ^ mask[idx % 4];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `*c ^= mask[idx % 4]`
[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] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]    --> src/frame.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 |         try!(input.read(&mut buf));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: slow zero-filling initialization
[INFO] [stderr]    --> src/frame.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         let mut payload: Vec<u8> = Vec::with_capacity(payload_len);
[INFO] [stderr]     |                                    ------------------------------- help: consider replace allocation with: `vec![0; payload_len]`
[INFO] [stderr] 220 |         payload.extend(iter::repeat(0).take(payload_len));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::slow_vector_initialization)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#slow_vector_initialization
[INFO] [stderr] 
[INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]    --> src/frame.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |         try!(input.read(&mut payload));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/main.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn gen_key(key: &String) -> String {
[INFO] [stderr]    |                 ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> src/main.rs:20:14
[INFO] [stderr]    |
[INFO] [stderr] 20 |     m.update("258EAFA5-E914-47DA-95CA-C5AB0DC85B11".as_bytes());
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"258EAFA5-E914-47DA-95CA-C5AB0DC85B11"`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::string_lit_as_bytes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:133:12
[INFO] [stderr]     |
[INFO] [stderr] 133 |         if self.outgoing.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.outgoing.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |         self.socket.write(response.as_bytes()).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `chat`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/frame.rs:143:9
[INFO] [stderr]     |
[INFO] [stderr] 143 |         try!(output.write(&self.payload));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/frame.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         self.header.opcode.clone()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.header.opcode`
[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: length comparison to zero
[INFO] [stderr]    --> src/frame.rs:161:23
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let body = if recv_frame.payload.len() > 0 {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!recv_frame.payload.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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/frame.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |             body.write(status_code).unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/frame.rs:203:10
[INFO] [stderr]     |
[INFO] [stderr] 203 |         ((b1 as u16) << 8) | (b2 as u16)
[INFO] [stderr]     |          ^^^^^^^^^^^ help: try: `u16::from(b1)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/frame.rs:203:30
[INFO] [stderr]     |
[INFO] [stderr] 203 |         ((b1 as u16) << 8) | (b2 as u16)
[INFO] [stderr]     |                              ^^^^^^^^^^^ help: try: `u16::from(b2)`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/frame.rs:208:13
[INFO] [stderr]     |
[INFO] [stderr] 208 |             *c = *c ^ mask[idx % 4];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `*c ^= mask[idx % 4]`
[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] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]    --> src/frame.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 |         try!(input.read(&mut buf));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: slow zero-filling initialization
[INFO] [stderr]    --> src/frame.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         let mut payload: Vec<u8> = Vec::with_capacity(payload_len);
[INFO] [stderr]     |                                    ------------------------------- help: consider replace allocation with: `vec![0; payload_len]`
[INFO] [stderr] 220 |         payload.extend(iter::repeat(0).take(payload_len));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::slow_vector_initialization)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#slow_vector_initialization
[INFO] [stderr] 
[INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]    --> src/frame.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |         try!(input.read(&mut payload));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/main.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn gen_key(key: &String) -> String {
[INFO] [stderr]    |                 ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> src/main.rs:20:14
[INFO] [stderr]    |
[INFO] [stderr] 20 |     m.update("258EAFA5-E914-47DA-95CA-C5AB0DC85B11".as_bytes());
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"258EAFA5-E914-47DA-95CA-C5AB0DC85B11"`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::string_lit_as_bytes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/main.rs:133:12
[INFO] [stderr]     |
[INFO] [stderr] 133 |         if self.outgoing.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.outgoing.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |         self.socket.write(response.as_bytes()).unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `chat`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "407ca8ee4dfc2daae929a3a083e901ab38f0a8a9d42613063d01c8c246fa8b9a"`
[INFO] running `"docker" "rm" "-f" "407ca8ee4dfc2daae929a3a083e901ab38f0a8a9d42613063d01c8c246fa8b9a"`
[INFO] [stdout] 407ca8ee4dfc2daae929a3a083e901ab38f0a8a9d42613063d01c8c246fa8b9a