[INFO] crate twist 0.7.1 is already in cache
[INFO] extracting crate twist 0.7.1 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/twist/0.7.1
[INFO] extracting crate twist 0.7.1 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/twist/0.7.1
[INFO] validating manifest of twist-0.7.1 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of twist-0.7.1 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing twist-0.7.1
[INFO] finished frobbing twist-0.7.1
[INFO] frobbed toml for twist-0.7.1 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/twist/0.7.1/Cargo.toml
[INFO] started frobbing twist-0.7.1
[INFO] finished frobbing twist-0.7.1
[INFO] frobbed toml for twist-0.7.1 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/twist/0.7.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking twist-0.7.1 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/twist/0.7.1:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 649af08785e90a51b749671a878361a40f3b6ff36de3a9795edb5a9c5ec1e58d
[INFO] running `"docker" "start" "-a" "649af08785e90a51b749671a878361a40f3b6ff36de3a9795edb5a9c5ec1e58d"`
[INFO] [stderr]     Checking slog v1.7.1
[INFO] [stderr]     Checking base64 v0.4.2
[INFO] [stderr]     Checking uuid v0.4.0
[INFO] [stderr]     Checking vatfluid v0.3.0
[INFO] [stderr]     Checking slog-extra v0.1.2
[INFO] [stderr]     Checking slog-atomic v0.4.3
[INFO] [stderr]     Checking slog-stream v1.2.1
[INFO] [stderr]     Checking slog-term v1.5.0
[INFO] [stderr]     Checking twist v0.7.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/codec/server/handshake.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 |           /// Add the other headers to the response.
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 142 | /         for (k, v) in msg.others().iter() {
[INFO] [stderr] 143 | |             response.push_str(&format!("{}: {}\r\n", *k, *v));
[INFO] [stderr] 144 | |         }
[INFO] [stderr]     | |_________- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/proto/client/mod.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         /// Setup the protocol middleware chain.
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 43 |         Ok(handshake)
[INFO] [stderr]    |         ------------- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/proto/server/mod.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |         /// Setup the protocol middleware chain.
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 87 |         Ok(handshake)
[INFO] [stderr]    |         ------------- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/codec/server/handshake.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 |           /// Add the other headers to the response.
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 142 | /         for (k, v) in msg.others().iter() {
[INFO] [stderr] 143 | |             response.push_str(&format!("{}: {}\r\n", *k, *v));
[INFO] [stderr] 144 | |         }
[INFO] [stderr]     | |_________- rustdoc does not generate documentation for expressions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/proto/client/mod.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         /// Setup the protocol middleware chain.
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 43 |         Ok(handshake)
[INFO] [stderr]    |         ------------- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/proto/server/mod.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |         /// Setup the protocol middleware chain.
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 87 |         Ok(handshake)
[INFO] [stderr]    |         ------------- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/extension.rs:9:65
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub type PerMessageExtensions = Arc<Mutex<HashMap<Uuid, Vec<Box<PerMessage>>>>>;
[INFO] [stderr]   |                                                                 ^^^^^^^^^^ help: use `dyn`: `dyn PerMessage`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/extension.rs:11:63
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub type PerFrameExtensions = Arc<Mutex<HashMap<Uuid, Vec<Box<PerFrame>>>>>;
[INFO] [stderr]    |                                                               ^^^^^^^^ help: use `dyn`: `dyn PerFrame`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `str`
[INFO] [stderr]   --> src/codec/mod.rs:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::{io, str};
[INFO] [stderr]    |               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/proto/server/close.rs:53:14
[INFO] [stderr]    |
[INFO] [stderr] 53 |             0...999 => ReasonCode::Unused,
[INFO] [stderr]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/proto/server/close.rs:65:38
[INFO] [stderr]    |
[INFO] [stderr] 65 |             1012 | 1013 | 1014 | 1016...2999 => ReasonCode::Reserved5,
[INFO] [stderr]    |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/proto/server/close.rs:67:17
[INFO] [stderr]    |
[INFO] [stderr] 67 |             3000...3999 => ReasonCode::AppSpecific,
[INFO] [stderr]    |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/proto/server/close.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 |             4000...4999 => ReasonCode::Undefined,
[INFO] [stderr]    |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `str`
[INFO] [stderr]  --> src/proto/server/fragmented.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::{io, str};
[INFO] [stderr]   |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::Framed': Moved to tokio-codec
[INFO] [stderr]  --> src/proto/client/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tokio_io::codec::Framed;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::Framed': Moved to tokio-codec
[INFO] [stderr]   --> src/proto/client/mod.rs:17:38
[INFO] [stderr]    |
[INFO] [stderr] 17 |     type Transport = ClientHandshake<Framed<T, Twist>>;
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::Framed': Moved to tokio-codec
[INFO] [stderr]   --> src/proto/server/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use tokio_io::codec::Framed;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::Framed': Moved to tokio-codec
[INFO] [stderr]   --> src/proto/server/mod.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 | type BaseCodec<T> = Framed<T, Twist>;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/extension.rs:9:65
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub type PerMessageExtensions = Arc<Mutex<HashMap<Uuid, Vec<Box<PerMessage>>>>>;
[INFO] [stderr]   |                                                                 ^^^^^^^^^^ help: use `dyn`: `dyn PerMessage`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/extension.rs:11:63
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub type PerFrameExtensions = Arc<Mutex<HashMap<Uuid, Vec<Box<PerFrame>>>>>;
[INFO] [stderr]    |                                                               ^^^^^^^^ help: use `dyn`: `dyn PerFrame`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `str`
[INFO] [stderr]   --> src/codec/mod.rs:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::{io, str};
[INFO] [stderr]    |               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/proto/server/close.rs:53:14
[INFO] [stderr]    |
[INFO] [stderr] 53 |             0...999 => ReasonCode::Unused,
[INFO] [stderr]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/proto/server/close.rs:65:38
[INFO] [stderr]    |
[INFO] [stderr] 65 |             1012 | 1013 | 1014 | 1016...2999 => ReasonCode::Reserved5,
[INFO] [stderr]    |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/proto/server/close.rs:67:17
[INFO] [stderr]    |
[INFO] [stderr] 67 |             3000...3999 => ReasonCode::AppSpecific,
[INFO] [stderr]    |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/proto/server/close.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 |             4000...4999 => ReasonCode::Undefined,
[INFO] [stderr]    |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `str`
[INFO] [stderr]  --> src/proto/server/fragmented.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::{io, str};
[INFO] [stderr]   |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::Framed': Moved to tokio-codec
[INFO] [stderr]  --> src/proto/client/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tokio_io::codec::Framed;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::Framed': Moved to tokio-codec
[INFO] [stderr]   --> src/proto/client/mod.rs:17:38
[INFO] [stderr]    |
[INFO] [stderr] 17 |     type Transport = ClientHandshake<Framed<T, Twist>>;
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::Framed': Moved to tokio-codec
[INFO] [stderr]   --> src/proto/server/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use tokio_io::codec::Framed;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::codec::Framed': Moved to tokio-codec
[INFO] [stderr]   --> src/proto/server/mod.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 | type BaseCodec<T> = Framed<T, Twist>;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/codec/mod.rs:207:34
[INFO] [stderr]     |
[INFO] [stderr] 207 |         hc.set_ext_resp(ext_resp.trim_right_matches(", "));
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bytes::BufMut::put_u32': use put_u32_be or put_u32_le
[INFO] [stderr]    --> src/codec/base.rs:114:14
[INFO] [stderr]     |
[INFO] [stderr] 114 |     mask_buf.put_u32::<BigEndian>(mask);
[INFO] [stderr]     |              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bytes::Buf::get_u16': use get_u16_be or get_u16_le
[INFO] [stderr]    --> src/codec/base.rs:186:64
[INFO] [stderr]     |
[INFO] [stderr] 186 |                         let len = Cursor::new(buf.split_to(2)).get_u16::<BigEndian>();
[INFO] [stderr]     |                                                                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bytes::Buf::get_u64': use get_u64_be or get_u64_le
[INFO] [stderr]    --> src/codec/base.rs:195:64
[INFO] [stderr]     |
[INFO] [stderr] 195 |                         let len = Cursor::new(buf.split_to(8)).get_u64::<BigEndian>();
[INFO] [stderr]     |                                                                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bytes::Buf::get_u32': use get_u32_be or get_u32_le
[INFO] [stderr]    --> src/codec/base.rs:213:65
[INFO] [stderr]     |
[INFO] [stderr] 213 |                         let mask = Cursor::new(buf.split_to(4)).get_u32::<BigEndian>();
[INFO] [stderr]     |                                                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bytes::BufMut::put_u16': use put_u16_be or put_u16_le
[INFO] [stderr]    --> src/codec/base.rs:314:21
[INFO] [stderr]     |
[INFO] [stderr] 314 |             len_buf.put_u16::<BigEndian>(cast_len);
[INFO] [stderr]     |                     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bytes::BufMut::put_u64': use put_u64_be or put_u64_le
[INFO] [stderr]    --> src/codec/base.rs:320:21
[INFO] [stderr]     |
[INFO] [stderr] 320 |             len_buf.put_u64::<BigEndian>(len);
[INFO] [stderr]     |                     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bytes::BufMut::put_u32': use put_u32_be or put_u32_le
[INFO] [stderr]    --> src/codec/base.rs:327:22
[INFO] [stderr]     |
[INFO] [stderr] 327 |             mask_buf.put_u32::<BigEndian>(msg.mask());
[INFO] [stderr]     |                      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/codec/mod.rs:207:34
[INFO] [stderr]     |
[INFO] [stderr] 207 |         hc.set_ext_resp(ext_resp.trim_right_matches(", "));
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bytes::BufMut::put_u32': use put_u32_be or put_u32_le
[INFO] [stderr]    --> src/codec/base.rs:114:14
[INFO] [stderr]     |
[INFO] [stderr] 114 |     mask_buf.put_u32::<BigEndian>(mask);
[INFO] [stderr]     |              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bytes::Buf::get_u16': use get_u16_be or get_u16_le
[INFO] [stderr]    --> src/codec/base.rs:186:64
[INFO] [stderr]     |
[INFO] [stderr] 186 |                         let len = Cursor::new(buf.split_to(2)).get_u16::<BigEndian>();
[INFO] [stderr]     |                                                                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bytes::Buf::get_u64': use get_u64_be or get_u64_le
[INFO] [stderr]    --> src/codec/base.rs:195:64
[INFO] [stderr]     |
[INFO] [stderr] 195 |                         let len = Cursor::new(buf.split_to(8)).get_u64::<BigEndian>();
[INFO] [stderr]     |                                                                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bytes::Buf::get_u32': use get_u32_be or get_u32_le
[INFO] [stderr]    --> src/codec/base.rs:213:65
[INFO] [stderr]     |
[INFO] [stderr] 213 |                         let mask = Cursor::new(buf.split_to(4)).get_u32::<BigEndian>();
[INFO] [stderr]     |                                                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bytes::BufMut::put_u16': use put_u16_be or put_u16_le
[INFO] [stderr]    --> src/codec/base.rs:314:21
[INFO] [stderr]     |
[INFO] [stderr] 314 |             len_buf.put_u16::<BigEndian>(cast_len);
[INFO] [stderr]     |                     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bytes::BufMut::put_u64': use put_u64_be or put_u64_le
[INFO] [stderr]    --> src/codec/base.rs:320:21
[INFO] [stderr]     |
[INFO] [stderr] 320 |             len_buf.put_u64::<BigEndian>(len);
[INFO] [stderr]     |                     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'bytes::BufMut::put_u32': use put_u32_be or put_u32_le
[INFO] [stderr]    --> src/codec/base.rs:327:22
[INFO] [stderr]     |
[INFO] [stderr] 327 |             mask_buf.put_u32::<BigEndian>(msg.mask());
[INFO] [stderr]     |                      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::AsyncRead::framed': Use tokio_codec::Decoder::framed instead
[INFO] [stderr]   --> src/proto/client/mod.rs:35:53
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let mut handshake = ClientHandshake::new(io.framed(twist));
[INFO] [stderr]    |                                                     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::AsyncRead::framed': Use tokio_codec::Decoder::framed instead
[INFO] [stderr]   --> src/proto/server/mod.rs:48:49
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let mut fragmented = Fragmented::new(io.framed(twist),
[INFO] [stderr]    |                                                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::AsyncRead::framed': Use tokio_codec::Decoder::framed instead
[INFO] [stderr]   --> src/proto/client/mod.rs:35:53
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let mut handshake = ClientHandshake::new(io.framed(twist));
[INFO] [stderr]    |                                                     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::AsyncRead::framed': Use tokio_codec::Decoder::framed instead
[INFO] [stderr]   --> src/proto/server/mod.rs:48:49
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let mut fragmented = Fragmented::new(io.framed(twist),
[INFO] [stderr]    |                                                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/codec/server/handshake.rs:80:25
[INFO] [stderr]    |
[INFO] [stderr] 80 |                     let mut entry = headers.entry(key).or_insert_with(String::new);
[INFO] [stderr]    |                         ----^^^^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/codec/client/handshake.rs:80:25
[INFO] [stderr]    |
[INFO] [stderr] 80 |                     let mut entry = headers.entry(key).or_insert_with(String::new);
[INFO] [stderr]    |                         ----^^^^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/proto/mod.rs:76:13
[INFO] [stderr]    |
[INFO] [stderr] 76 |         let mut vec = map.entry(self.uuid).or_insert_with(Vec::new);
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/proto/mod.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let mut vec = map.entry(self.uuid).or_insert_with(Vec::new);
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/codec/server/handshake.rs:80:25
[INFO] [stderr]    |
[INFO] [stderr] 80 |                     let mut entry = headers.entry(key).or_insert_with(String::new);
[INFO] [stderr]    |                         ----^^^^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/codec/client/handshake.rs:80:25
[INFO] [stderr]    |
[INFO] [stderr] 80 |                     let mut entry = headers.entry(key).or_insert_with(String::new);
[INFO] [stderr]    |                         ----^^^^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/proto/mod.rs:76:13
[INFO] [stderr]    |
[INFO] [stderr] 76 |         let mut vec = map.entry(self.uuid).or_insert_with(Vec::new);
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/proto/mod.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |         let mut vec = map.entry(self.uuid).or_insert_with(Vec::new);
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.28s
[INFO] running `"docker" "inspect" "649af08785e90a51b749671a878361a40f3b6ff36de3a9795edb5a9c5ec1e58d"`
[INFO] running `"docker" "rm" "-f" "649af08785e90a51b749671a878361a40f3b6ff36de3a9795edb5a9c5ec1e58d"`
[INFO] [stdout] 649af08785e90a51b749671a878361a40f3b6ff36de3a9795edb5a9c5ec1e58d