[INFO] updating cached repository glasses-n-contacts/rust-chat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/glasses-n-contacts/rust-chat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/glasses-n-contacts/rust-chat" "work/ex/clippy-test-run/sources/stable/gh/glasses-n-contacts/rust-chat"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/glasses-n-contacts/rust-chat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/glasses-n-contacts/rust-chat" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/glasses-n-contacts/rust-chat"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/glasses-n-contacts/rust-chat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0fca64e1c6464c28e216859ca78b24a855bb4621
[INFO] sha for GitHub repo glasses-n-contacts/rust-chat: 0fca64e1c6464c28e216859ca78b24a855bb4621
[INFO] validating manifest of glasses-n-contacts/rust-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 glasses-n-contacts/rust-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 glasses-n-contacts/rust-chat
[INFO] finished frobbing glasses-n-contacts/rust-chat
[INFO] frobbed toml for glasses-n-contacts/rust-chat written to work/ex/clippy-test-run/sources/stable/gh/glasses-n-contacts/rust-chat/Cargo.toml
[INFO] started frobbing glasses-n-contacts/rust-chat
[INFO] finished frobbing glasses-n-contacts/rust-chat
[INFO] frobbed toml for glasses-n-contacts/rust-chat written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/glasses-n-contacts/rust-chat/Cargo.toml
[INFO] crate glasses-n-contacts/rust-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 glasses-n-contacts/rust-chat against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/glasses-n-contacts/rust-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] f919988bd609d573f0a8d5aa7fba044207c14c58524da2a113206bd8db67f786
[INFO] running `"docker" "start" "-a" "f919988bd609d573f0a8d5aa7fba044207c14c58524da2a113206bd8db67f786"`
[INFO] [stderr]    Compiling http-muncher v0.2.5
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking sha1 v0.1.1
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/socket_client/frame.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             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/socket_client/frame.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 104 |             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/socket_client/frame.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |             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/socket_client/frame.rs:124:17
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 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/socket_client/frame.rs:193:13
[INFO] [stderr]     |
[INFO] [stderr] 193 |             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/socket_client/mod.rs:179:13
[INFO] [stderr]     |
[INFO] [stderr] 179 |             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/socket_client/frame.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             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/socket_client/frame.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 104 |             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/socket_client/frame.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |             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/socket_client/frame.rs:124:17
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 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/socket_client/frame.rs:193:13
[INFO] [stderr]     |
[INFO] [stderr] 193 |             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/socket_client/mod.rs:179:13
[INFO] [stderr]     |
[INFO] [stderr] 179 |             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/socket_client/frame.rs:154:9
[INFO] [stderr]     |
[INFO] [stderr] 154 | /         return match payload_len {
[INFO] [stderr] 155 | |             PAYLOAD_LEN_U64 => input.read_u64::<BigEndian>().map(|v| v as usize).map_err(From::from),
[INFO] [stderr] 156 | |             PAYLOAD_LEN_U16 => input.read_u16::<BigEndian>().map(|v| v as usize).map_err(From::from),
[INFO] [stderr] 157 | |             _ => Ok(payload_len as usize) // payload_len < 127
[INFO] [stderr] 158 | |         }
[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] 154 |         match payload_len {
[INFO] [stderr] 155 |             PAYLOAD_LEN_U64 => input.read_u64::<BigEndian>().map(|v| v as usize).map_err(From::from),
[INFO] [stderr] 156 |             PAYLOAD_LEN_U16 => input.read_u16::<BigEndian>().map(|v| v as usize).map_err(From::from),
[INFO] [stderr] 157 |             _ => Ok(payload_len as usize) // payload_len < 127
[INFO] [stderr] 158 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/socket_client/mod.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     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/socket_client/frame.rs:154:9
[INFO] [stderr]     |
[INFO] [stderr] 154 | /         return match payload_len {
[INFO] [stderr] 155 | |             PAYLOAD_LEN_U64 => input.read_u64::<BigEndian>().map(|v| v as usize).map_err(From::from),
[INFO] [stderr] 156 | |             PAYLOAD_LEN_U16 => input.read_u16::<BigEndian>().map(|v| v as usize).map_err(From::from),
[INFO] [stderr] 157 | |             _ => Ok(payload_len as usize) // payload_len < 127
[INFO] [stderr] 158 | |         }
[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] 154 |         match payload_len {
[INFO] [stderr] 155 |             PAYLOAD_LEN_U64 => input.read_u64::<BigEndian>().map(|v| v as usize).map_err(From::from),
[INFO] [stderr] 156 |             PAYLOAD_LEN_U16 => input.read_u16::<BigEndian>().map(|v| v as usize).map_err(From::from),
[INFO] [stderr] 157 |             _ => Ok(payload_len as usize) // payload_len < 127
[INFO] [stderr] 158 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/socket_client/mod.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     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: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/socket_client/frame.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         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: manual implementation of an assign operation
[INFO] [stderr]    --> src/socket_client/frame.rs:136:13
[INFO] [stderr]     |
[INFO] [stderr] 136 |             *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/socket_client/frame.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         try!(input.read(&mut buf));
[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: slow zero-filling initialization
[INFO] [stderr]    --> src/socket_client/frame.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let mut payload: Vec<u8> = Vec::with_capacity(payload_len);
[INFO] [stderr]     |                                    ------------------------------- help: consider replace allocation with: `vec![0; payload_len]`
[INFO] [stderr] 148 |         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/socket_client/frame.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/socket_client/frame.rs:171:10
[INFO] [stderr]     |
[INFO] [stderr] 171 |         ((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/socket_client/frame.rs:171:30
[INFO] [stderr]     |
[INFO] [stderr] 171 |         ((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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/socket_client/frame.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 |         try!(output.write(&self.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: length comparison to zero
[INFO] [stderr]    --> src/socket_client/frame.rs:199:23
[INFO] [stderr]     |
[INFO] [stderr] 199 |         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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/socket_client/frame.rs:202:13
[INFO] [stderr]     |
[INFO] [stderr] 202 |             body.write(status_code);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/socket_client/mod.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 | 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/socket_client/mod.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 |     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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/socket_server.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |             client.socket.shutdown(Shutdown::Both);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/socket_server.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |             event_loop.deregister(&client.socket);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/socket_client/frame.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         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: manual implementation of an assign operation
[INFO] [stderr]    --> src/socket_client/frame.rs:136:13
[INFO] [stderr]     |
[INFO] [stderr] 136 |             *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/socket_client/frame.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         try!(input.read(&mut buf));
[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] error: Could not compile `chat`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: slow zero-filling initialization
[INFO] [stderr]    --> src/socket_client/frame.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let mut payload: Vec<u8> = Vec::with_capacity(payload_len);
[INFO] [stderr]     |                                    ------------------------------- help: consider replace allocation with: `vec![0; payload_len]`
[INFO] [stderr] 148 |         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/socket_client/frame.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/socket_client/frame.rs:171:10
[INFO] [stderr]     |
[INFO] [stderr] 171 |         ((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/socket_client/frame.rs:171:30
[INFO] [stderr]     |
[INFO] [stderr] 171 |         ((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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/socket_client/frame.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 |         try!(output.write(&self.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: length comparison to zero
[INFO] [stderr]    --> src/socket_client/frame.rs:199:23
[INFO] [stderr]     |
[INFO] [stderr] 199 |         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] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/socket_client/frame.rs:202:13
[INFO] [stderr]     |
[INFO] [stderr] 202 |             body.write(status_code);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/socket_client/mod.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 | 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/socket_client/mod.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 |     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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/socket_server.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |             client.socket.shutdown(Shutdown::Both);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/socket_server.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |             event_loop.deregister(&client.socket);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 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" "f919988bd609d573f0a8d5aa7fba044207c14c58524da2a113206bd8db67f786"`
[INFO] running `"docker" "rm" "-f" "f919988bd609d573f0a8d5aa7fba044207c14c58524da2a113206bd8db67f786"`
[INFO] [stdout] f919988bd609d573f0a8d5aa7fba044207c14c58524da2a113206bd8db67f786