[INFO] crate quinn-proto 0.1.0 is already in cache
[INFO] extracting crate quinn-proto 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/quinn-proto/0.1.0
[INFO] extracting crate quinn-proto 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/quinn-proto/0.1.0
[INFO] validating manifest of quinn-proto-0.1.0 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 quinn-proto-0.1.0 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 quinn-proto-0.1.0
[INFO] finished frobbing quinn-proto-0.1.0
[INFO] frobbed toml for quinn-proto-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/quinn-proto/0.1.0/Cargo.toml
[INFO] started frobbing quinn-proto-0.1.0
[INFO] finished frobbing quinn-proto-0.1.0
[INFO] frobbed toml for quinn-proto-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/quinn-proto/0.1.0/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 quinn-proto-0.1.0 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/quinn-proto/0.1.0:/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] 29c6184c7795c584bfaea23c280a1d34648ad2249750cd2e071e2e1092eb7eef
[INFO] running `"docker" "start" "-a" "29c6184c7795c584bfaea23c280a1d34648ad2249750cd2e071e2e1092eb7eef"`
[INFO] [stderr]     Checking rustls v0.14.0
[INFO] [stderr]     Checking blake2 v0.7.1
[INFO] [stderr]     Checking quinn-proto v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/crypto.rs:165:13
[INFO] [stderr]     |
[INFO] [stderr] 165 |             digest: digest,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `digest`
[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/crypto.rs:166:13
[INFO] [stderr]     |
[INFO] [stderr] 166 |             cipher: cipher,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `cipher`
[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/crypto.rs:165:13
[INFO] [stderr]     |
[INFO] [stderr] 165 |             digest: digest,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `digest`
[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/crypto.rs:166:13
[INFO] [stderr]     |
[INFO] [stderr] 166 |             cipher: cipher,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `cipher`
[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: Unnecessary `>= y + 1` or `x - 1 >=`
[INFO] [stderr]    --> src/connection.rs:422:17
[INFO] [stderr]     |
[INFO] [stderr] 422 |         assert!(self.largest_sent_packet <= 2u64.pow(62) - 1);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::int_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#int_plus_one
[INFO] [stderr] help: change `>= y + 1` to `> y` as shown
[INFO] [stderr]     |
[INFO] [stderr] 422 |         assert!(self.largest_sent_packet < 2u64.pow(62));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/tests.rs:164:16
[INFO] [stderr]     |
[INFO] [stderr] 164 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 165 | |             if server_t != self.time {
[INFO] [stderr] 166 | |                 self.time = self.time.max(server_t);
[INFO] [stderr] 167 | |                 trace!(self.log, "advancing to {time} for server", time = self.time);
[INFO] [stderr] 168 | |             }
[INFO] [stderr] 169 | |         }
[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] 164 |         } else if server_t != self.time {
[INFO] [stderr] 165 |     self.time = self.time.max(server_t);
[INFO] [stderr] 166 |     trace!(self.log, "advancing to {time} for server", time = self.time);
[INFO] [stderr] 167 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: Unnecessary `>= y + 1` or `x - 1 >=`
[INFO] [stderr]    --> src/connection.rs:422:17
[INFO] [stderr]     |
[INFO] [stderr] 422 |         assert!(self.largest_sent_packet <= 2u64.pow(62) - 1);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::int_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#int_plus_one
[INFO] [stderr] help: change `>= y + 1` to `> y` as shown
[INFO] [stderr]     |
[INFO] [stderr] 422 |         assert!(self.largest_sent_packet < 2u64.pow(62));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/crypto.rs:454:38
[INFO] [stderr]     |
[INFO] [stderr] 454 |         assert_eq!(PacketNumber::U32(0xa0bd197c).expand(0xa0bd197a), 0xa0bd197c);
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: consider: `0xa0bd_197c`
[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/crypto.rs:454:57
[INFO] [stderr]     |
[INFO] [stderr] 454 |         assert_eq!(PacketNumber::U32(0xa0bd197c).expand(0xa0bd197a), 0xa0bd197c);
[INFO] [stderr]     |                                                         ^^^^^^^^^^ help: consider: `0xa0bd_197a`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/crypto.rs:454:70
[INFO] [stderr]     |
[INFO] [stderr] 454 |         assert_eq!(PacketNumber::U32(0xa0bd197c).expand(0xa0bd197a), 0xa0bd197c);
[INFO] [stderr]     |                                                                      ^^^^^^^^^^ help: consider: `0xa0bd_197c`
[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 `range_set::RangeSet`
[INFO] [stderr]   --> src/range_set.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | /     pub fn new() -> Self {
[INFO] [stderr] 13 | |         RangeSet(BTreeMap::new())
[INFO] [stderr] 14 | |     }
[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] 9  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/stream.rs:167:22
[INFO] [stderr]     |
[INFO] [stderr] 167 |     pub fn was_reset(&self) -> bool {
[INFO] [stderr]     |                      ^^^^^ help: consider passing by value instead: `self`
[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: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/varint.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |         0b00 => buf[0] as u64,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^ help: try: `u64::from(buf[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 u16 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/varint.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             BigEndian::read_u16(&buf) as u64
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(BigEndian::read_u16(&buf))`
[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/varint.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             BigEndian::read_u32(&buf) as u64
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(BigEndian::read_u32(&buf))`
[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: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
[INFO] [stderr]    --> src/connection.rs:139:19
[INFO] [stderr]     |
[INFO] [stderr] 139 |     pub set_idle: Option<Option<u64>>,
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::option_option)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_option
[INFO] [stderr] 
[INFO] [stderr] warning: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
[INFO] [stderr]    --> src/connection.rs:140:29
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub set_loss_detection: Option<Option<u64>>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_option
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/connection.rs:287:37
[INFO] [stderr]     |
[INFO] [stderr] 287 |         let max_remote_bi_streams = config.max_remote_bi_streams as u64 + match side {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(config.max_remote_bi_streams)`
[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/connection.rs:298:32
[INFO] [stderr]     |
[INFO] [stderr] 298 |                 Stream::new_bi(config.stream_receive_window as u64),
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(config.stream_receive_window)`
[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/connection.rs:321:29
[INFO] [stderr]     |
[INFO] [stderr] 321 |             local_max_data: config.receive_window as u64,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(config.receive_window)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/connection.rs:369:37
[INFO] [stderr]     |
[INFO] [stderr] 369 |             max_remote_uni_streams: config.max_remote_uni_streams as u64,
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(config.max_remote_uni_streams)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/connection.rs:445:37
[INFO] [stderr]     |
[INFO] [stderr] 445 |             self.bytes_in_flight += bytes as u64;
[INFO] [stderr]     |                                     ^^^^^^^^^^^^ help: try: `u64::from(bytes)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/connection.rs:513:37
[INFO] [stderr]     |
[INFO] [stderr] 513 |             self.bytes_in_flight -= info.bytes as u64;
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^ help: try: `u64::from(info.bytes)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/connection.rs:518:47
[INFO] [stderr]     |
[INFO] [stderr] 518 |                     self.congestion_window += info.bytes as u64;
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^ help: try: `u64::from(info.bytes)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/connection.rs:522:46
[INFO] [stderr]     |
[INFO] [stderr] 522 |                         config.default_mss * info.bytes as u64 / self.congestion_window;
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^ help: try: `u64::from(info.bytes)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/connection.rs:581:46
[INFO] [stderr]     |
[INFO] [stderr] 581 |             delay_until_lost = (rtt + (rtt * config.time_reordering_fraction as u64)) >> 16;
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(config.time_reordering_fraction)`
[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/connection.rs:593:63
[INFO] [stderr]     |
[INFO] [stderr] 593 |             if time_since_sent >= delay_until_lost || delta > self.reordering_threshold as u64 {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.reordering_threshold)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/connection.rs:609:41
[INFO] [stderr]     |
[INFO] [stderr] 609 |                 self.bytes_in_flight -= info.bytes as u64;
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^ help: try: `u64::from(info.bytes)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/connection.rs:618:47
[INFO] [stderr]     |
[INFO] [stderr] 618 |                     (self.congestion_window * config.loss_reduction_factor as u64) >> 16;
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(config.loss_reduction_factor)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/connection.rs:691:18
[INFO] [stderr]     |
[INFO] [stderr] 691 |         let dt = cmp::min(config.idle_timeout, self.params.idle_timeout) as u64 * 1_000_000;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(cmp::min(config.idle_timeout, self.params.idle_timeout))`
[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: the function has a cyclomatic complexity of 49
[INFO] [stderr]     --> src/connection.rs:932:5
[INFO] [stderr]      |
[INFO] [stderr] 932  | /     pub fn handle_connected_inner(
[INFO] [stderr] 933  | |         &mut self,
[INFO] [stderr] 934  | |         ctx: &mut Context,
[INFO] [stderr] 935  | |         now: u64,
[INFO] [stderr] ...    |
[INFO] [stderr] 1387 | |         }
[INFO] [stderr] 1388 | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]      = help: you could split it up into multiple smaller functions
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/connection.rs:968:33
[INFO] [stderr]     |
[INFO] [stderr] 968 |                                 number as u64,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^ help: try: `u64::from(number)`
[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/connection.rs:991:76
[INFO] [stderr]     |
[INFO] [stderr] 991 |                                     self.on_packet_authenticated(ctx, now, number as u64);
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^^^ help: try: `u64::from(number)`
[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/connection.rs:1055:33
[INFO] [stderr]      |
[INFO] [stderr] 1055 |                                 number as u64,
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^ help: try: `u64::from(number)`
[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/connection.rs:1063:64
[INFO] [stderr]      |
[INFO] [stderr] 1063 |                         self.on_packet_authenticated(ctx, now, number as u64);
[INFO] [stderr]      |                                                                ^^^^^^^^^^^^^ help: try: `u64::from(number)`
[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/connection.rs:1114:75
[INFO] [stderr]      |
[INFO] [stderr] 1114 |                                     self.handshake_pending.path_challenge(number as u64, value);
[INFO] [stderr]      |                                                                           ^^^^^^^^^^^^^ help: try: `u64::from(number)`
[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: the function has a cyclomatic complexity of 39
[INFO] [stderr]     --> src/connection.rs:1390:5
[INFO] [stderr]      |
[INFO] [stderr] 1390 | /     pub fn process_payload(
[INFO] [stderr] 1391 | |         &mut self,
[INFO] [stderr] 1392 | |         ctx: &mut Context,
[INFO] [stderr] 1393 | |         now: u64,
[INFO] [stderr] ...    |
[INFO] [stderr] 1713 | |         Ok(false)
[INFO] [stderr] 1714 | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      |
[INFO] [stderr]      = help: you could split it up into multiple smaller functions
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 45
[INFO] [stderr]     --> src/connection.rs:1716:5
[INFO] [stderr]      |
[INFO] [stderr] 1716 | /     pub fn next_packet(&mut self, log: &Logger, config: &Config, now: u64) -> Option<Vec<u8>> {
[INFO] [stderr] 1717 | |         let established = match *self.state.as_ref().unwrap() {
[INFO] [stderr] 1718 | |             State::Handshake(_) => false,
[INFO] [stderr] 1719 | |             State::Established(_) => true,
[INFO] [stderr] ...    |
[INFO] [stderr] 2009 | |         Some(buf)
[INFO] [stderr] 2010 | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      |
[INFO] [stderr]      = help: you could split it up into multiple smaller functions
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u64 may become silently lossy if types change
[INFO] [stderr]     --> src/connection.rs:2121:31
[INFO] [stderr]      |
[INFO] [stderr] 2121 |         self.max_bi_streams = params.initial_max_streams_bidi as u64;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(params.initial_max_streams_bidi)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]     --> src/connection.rs:2125:32
[INFO] [stderr]      |
[INFO] [stderr] 2125 |         self.max_uni_streams = params.initial_max_streams_uni as u64;
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(params.initial_max_streams_uni)`
[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/connection.rs:2126:25
[INFO] [stderr]      |
[INFO] [stderr] 2126 |         self.max_data = params.initial_max_data as u64;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(params.initial_max_data)`
[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/connection.rs:2134:29
[INFO] [stderr]      |
[INFO] [stderr] 2134 |                 .max_data = params.initial_max_stream_data as u64;
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(params.initial_max_stream_data)`
[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/connection.rs:2152:36
[INFO] [stderr]      |
[INFO] [stderr] 2152 |                     Stream::new_bi(config.stream_receive_window as u64),
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(config.stream_receive_window)`
[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/connection.rs:2159:47
[INFO] [stderr]      |
[INFO] [stderr] 2159 |         stream.send_mut().unwrap().max_data = self.params.initial_max_stream_data as u64;
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.params.initial_max_stream_data)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]     --> src/connection.rs:2304:71
[INFO] [stderr]      |
[INFO] [stderr] 2304 |         self.congestion_window.saturating_sub(self.bytes_in_flight) < self.mtu as u64
[INFO] [stderr]      |                                                                       ^^^^^^^^^^^^^^^ help: try: `u64::from(self.mtu)`
[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: large size difference between variants
[INFO] [stderr]     --> src/connection.rs:2528:5
[INFO] [stderr]      |
[INFO] [stderr] 2528 |     Handshake(state::Handshake),
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::large_enum_variant)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stderr] help: consider boxing the large fields to reduce the total size of the enum
[INFO] [stderr]      |
[INFO] [stderr] 2528 |     Handshake(Box<state::Handshake>),
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/frame.rs:519:14
[INFO] [stderr]     |
[INFO] [stderr] 519 |         Some(largest - block..largest + 1)
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `largest - block..=largest`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/endpoint.rs:105:34
[INFO] [stderr]     |
[INFO] [stderr] 105 |             default_initial_rtt: EXPECTED_RTT as u64 * 1000,
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(EXPECTED_RTT)`
[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 function has too many arguments (8/7)
[INFO] [stderr]    --> src/endpoint.rs:510:5
[INFO] [stderr]     |
[INFO] [stderr] 510 | /     fn handle_initial(
[INFO] [stderr] 511 | |         &mut self,
[INFO] [stderr] 512 | |         now: u64,
[INFO] [stderr] 513 | |         remote: SocketAddrV6,
[INFO] [stderr] ...   |
[INFO] [stderr] 582 | |         }
[INFO] [stderr] 583 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::too_many_arguments)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/endpoint.rs:522:22
[INFO] [stderr]     |
[INFO] [stderr] 522 |             .decrypt(packet_number as u64, header, &mut payload)
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(packet_number)`
[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/endpoint.rs:563:13
[INFO] [stderr]     |
[INFO] [stderr] 563 |             packet_number as u64,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(packet_number)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/endpoint.rs:759:69
[INFO] [stderr]     |
[INFO] [stderr] 759 |                         self.connections[conn.0].bytes_in_flight -= info.bytes as u64;
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^^^ help: try: `u64::from(info.bytes)`
[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/endpoint.rs:1102:20
[INFO] [stderr]      |
[INFO] [stderr] 1102 |     crypto.encrypt(packet_number as u64, &mut buf, header_len);
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(packet_number)`
[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/packet.rs:78:11
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn ty(&self) -> u8 {
[INFO] [stderr]    |           ^^^^^ help: consider passing by value instead: `self`
[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/packet.rs:87:30
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn encode<W: BufMut>(&self, w: &mut W) {
[INFO] [stderr]    |                              ^^^^^ help: consider passing by value instead: `self`
[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/packet.rs:96:19
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn expand(&self, prev: u64) -> u64 {
[INFO] [stderr]    |                   ^^^^^ help: consider passing by value instead: `self`
[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 u8 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/packet.rs:106:22
[INFO] [stderr]     |
[INFO] [stderr] 106 |             U8(x) => x as u64,
[INFO] [stderr]     |                      ^^^^^^^^ help: try: `u64::from(x)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/packet.rs:107:23
[INFO] [stderr]     |
[INFO] [stderr] 107 |             U16(x) => x as u64,
[INFO] [stderr]     |                       ^^^^^^^^ help: try: `u64::from(x)`
[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/packet.rs:108:23
[INFO] [stderr]     |
[INFO] [stderr] 108 |             U32(x) => x as u64,
[INFO] [stderr]     |                       ^^^^^^^^ help: try: `u64::from(x)`
[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/transport_error.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 |         Error(0x100 | u8::from(ty) as u16)
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(u8::from(ty))`
[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/lib.rs:141:22
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn initiator(&self) -> Side {
[INFO] [stderr]     |                      ^^^^^ help: consider passing by value instead: `self`
[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/lib.rs:149:27
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub fn directionality(&self) -> Directionality {
[INFO] [stderr]     |                           ^^^^^ help: consider passing by value instead: `self`
[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/lib.rs:157:18
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub fn index(&self) -> u64 {
[INFO] [stderr]     |                  ^^^^^ help: consider passing by value instead: `self`
[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: you should consider deriving a `Default` implementation for `range_set::RangeSet`
[INFO] [stderr]   --> src/range_set.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | /     pub fn new() -> Self {
[INFO] [stderr] 13 | |         RangeSet(BTreeMap::new())
[INFO] [stderr] 14 | |     }
[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] 9  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/stream.rs:167:22
[INFO] [stderr]     |
[INFO] [stderr] 167 |     pub fn was_reset(&self) -> bool {
[INFO] [stderr]     |                      ^^^^^ help: consider passing by value instead: `self`
[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: identical conversion
[INFO] [stderr]    --> src/stream.rs:293:21
[INFO] [stderr]     |
[INFO] [stderr] 293 |         x.insert(0, (&b"123"[..]).into());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `(&b"123"[..])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/stream.rs:295:21
[INFO] [stderr]     |
[INFO] [stderr] 295 |         x.insert(3, (&b"456"[..]).into());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `(&b"456"[..])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/stream.rs:297:21
[INFO] [stderr]     |
[INFO] [stderr] 297 |         x.insert(6, (&b"789"[..]).into());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `(&b"789"[..])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/stream.rs:298:21
[INFO] [stderr]     |
[INFO] [stderr] 298 |         x.insert(9, (&b"10"[..]).into());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `(&b"10"[..])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/stream.rs:306:21
[INFO] [stderr]     |
[INFO] [stderr] 306 |         x.insert(3, (&b"456"[..]).into());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `(&b"456"[..])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/stream.rs:308:21
[INFO] [stderr]     |
[INFO] [stderr] 308 |         x.insert(0, (&b"123"[..]).into());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `(&b"123"[..])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/stream.rs:316:21
[INFO] [stderr]     |
[INFO] [stderr] 316 |         x.insert(0, (&b"123"[..]).into());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `(&b"123"[..])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/stream.rs:317:21
[INFO] [stderr]     |
[INFO] [stderr] 317 |         x.insert(0, (&b"123"[..]).into());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `(&b"123"[..])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/stream.rs:325:21
[INFO] [stderr]     |
[INFO] [stderr] 325 |         x.insert(0, (&b"12345"[..]).into());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `(&b"12345"[..])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/stream.rs:326:21
[INFO] [stderr]     |
[INFO] [stderr] 326 |         x.insert(1, (&b"234"[..]).into());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `(&b"234"[..])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/stream.rs:334:21
[INFO] [stderr]     |
[INFO] [stderr] 334 |         x.insert(1, (&b"234"[..]).into());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `(&b"234"[..])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/stream.rs:335:21
[INFO] [stderr]     |
[INFO] [stderr] 335 |         x.insert(0, (&b"12345"[..]).into());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `(&b"12345"[..])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/stream.rs:343:21
[INFO] [stderr]     |
[INFO] [stderr] 343 |         x.insert(0, (&b"123"[..]).into());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `(&b"123"[..])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/stream.rs:344:21
[INFO] [stderr]     |
[INFO] [stderr] 344 |         x.insert(1, (&b"234"[..]).into());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `(&b"234"[..])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/stream.rs:352:21
[INFO] [stderr]     |
[INFO] [stderr] 352 |         x.insert(0, (&b"1"[..]).into());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `(&b"1"[..])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/stream.rs:353:21
[INFO] [stderr]     |
[INFO] [stderr] 353 |         x.insert(2, (&b"3"[..]).into());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `(&b"3"[..])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/stream.rs:354:21
[INFO] [stderr]     |
[INFO] [stderr] 354 |         x.insert(4, (&b"5"[..]).into());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `(&b"5"[..])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/stream.rs:355:21
[INFO] [stderr]     |
[INFO] [stderr] 355 |         x.insert(0, (&b"123456"[..]).into());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `(&b"123456"[..])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] error: incompatible bit mask: `_ | 128` can never be equal to `0`
[INFO] [stderr]    --> src/tests.rs:394:17
[INFO] [stderr]     |
[INFO] [stderr] 394 |         assert!(packet[0] | 0x80 != 0);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::bad_bit_mask)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bad_bit_mask
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/tests.rs:395:17
[INFO] [stderr]     |
[INFO] [stderr] 395 |         assert!(&packet[1..14] == hex!("00000000 11 00000000 00000000"));
[INFO] [stderr]     |                 --------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: use the left value directly: `packet[1..14]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/varint.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |         0b00 => buf[0] as u64,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^ help: try: `u64::from(buf[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 u16 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/varint.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             BigEndian::read_u16(&buf) as u64
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(BigEndian::read_u16(&buf))`
[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/varint.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             BigEndian::read_u32(&buf) as u64
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(BigEndian::read_u32(&buf))`
[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: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
[INFO] [stderr]    --> src/connection.rs:139:19
[INFO] [stderr]     |
[INFO] [stderr] 139 |     pub set_idle: Option<Option<u64>>,
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::option_option)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_option
[INFO] [stderr] 
[INFO] [stderr] warning: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
[INFO] [stderr]    --> src/connection.rs:140:29
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub set_loss_detection: Option<Option<u64>>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_option
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/connection.rs:287:37
[INFO] [stderr]     |
[INFO] [stderr] 287 |         let max_remote_bi_streams = config.max_remote_bi_streams as u64 + match side {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(config.max_remote_bi_streams)`
[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/connection.rs:298:32
[INFO] [stderr]     |
[INFO] [stderr] 298 |                 Stream::new_bi(config.stream_receive_window as u64),
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(config.stream_receive_window)`
[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/connection.rs:321:29
[INFO] [stderr]     |
[INFO] [stderr] 321 |             local_max_data: config.receive_window as u64,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(config.receive_window)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/connection.rs:369:37
[INFO] [stderr]     |
[INFO] [stderr] 369 |             max_remote_uni_streams: config.max_remote_uni_streams as u64,
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(config.max_remote_uni_streams)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/connection.rs:445:37
[INFO] [stderr]     |
[INFO] [stderr] 445 |             self.bytes_in_flight += bytes as u64;
[INFO] [stderr]     |                                     ^^^^^^^^^^^^ help: try: `u64::from(bytes)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/connection.rs:513:37
[INFO] [stderr]     |
[INFO] [stderr] 513 |             self.bytes_in_flight -= info.bytes as u64;
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^ help: try: `u64::from(info.bytes)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/connection.rs:518:47
[INFO] [stderr]     |
[INFO] [stderr] 518 |                     self.congestion_window += info.bytes as u64;
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^ help: try: `u64::from(info.bytes)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/connection.rs:522:46
[INFO] [stderr]     |
[INFO] [stderr] 522 |                         config.default_mss * info.bytes as u64 / self.congestion_window;
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^ help: try: `u64::from(info.bytes)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/connection.rs:581:46
[INFO] [stderr]     |
[INFO] [stderr] 581 |             delay_until_lost = (rtt + (rtt * config.time_reordering_fraction as u64)) >> 16;
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(config.time_reordering_fraction)`
[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/connection.rs:593:63
[INFO] [stderr]     |
[INFO] [stderr] 593 |             if time_since_sent >= delay_until_lost || delta > self.reordering_threshold as u64 {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.reordering_threshold)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/connection.rs:609:41
[INFO] [stderr]     |
[INFO] [stderr] 609 |                 self.bytes_in_flight -= info.bytes as u64;
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^ help: try: `u64::from(info.bytes)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/connection.rs:618:47
[INFO] [stderr]     |
[INFO] [stderr] 618 |                     (self.congestion_window * config.loss_reduction_factor as u64) >> 16;
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(config.loss_reduction_factor)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/connection.rs:691:18
[INFO] [stderr]     |
[INFO] [stderr] 691 |         let dt = cmp::min(config.idle_timeout, self.params.idle_timeout) as u64 * 1_000_000;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(cmp::min(config.idle_timeout, self.params.idle_timeout))`
[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: the function has a cyclomatic complexity of 49
[INFO] [stderr]     --> src/connection.rs:932:5
[INFO] [stderr]      |
[INFO] [stderr] 932  | /     pub fn handle_connected_inner(
[INFO] [stderr] 933  | |         &mut self,
[INFO] [stderr] 934  | |         ctx: &mut Context,
[INFO] [stderr] 935  | |         now: u64,
[INFO] [stderr] ...    |
[INFO] [stderr] 1387 | |         }
[INFO] [stderr] 1388 | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]      = help: you could split it up into multiple smaller functions
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/connection.rs:968:33
[INFO] [stderr]     |
[INFO] [stderr] 968 |                                 number as u64,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^ help: try: `u64::from(number)`
[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/connection.rs:991:76
[INFO] [stderr]     |
[INFO] [stderr] 991 |                                     self.on_packet_authenticated(ctx, now, number as u64);
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^^^ help: try: `u64::from(number)`
[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/connection.rs:1055:33
[INFO] [stderr]      |
[INFO] [stderr] 1055 |                                 number as u64,
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^ help: try: `u64::from(number)`
[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/connection.rs:1063:64
[INFO] [stderr]      |
[INFO] [stderr] 1063 |                         self.on_packet_authenticated(ctx, now, number as u64);
[INFO] [stderr]      |                                                                ^^^^^^^^^^^^^ help: try: `u64::from(number)`
[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/connection.rs:1114:75
[INFO] [stderr]      |
[INFO] [stderr] 1114 |                                     self.handshake_pending.path_challenge(number as u64, value);
[INFO] [stderr]      |                                                                           ^^^^^^^^^^^^^ help: try: `u64::from(number)`
[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: the function has a cyclomatic complexity of 39
[INFO] [stderr]     --> src/connection.rs:1390:5
[INFO] [stderr]      |
[INFO] [stderr] 1390 | /     pub fn process_payload(
[INFO] [stderr] 1391 | |         &mut self,
[INFO] [stderr] 1392 | |         ctx: &mut Context,
[INFO] [stderr] 1393 | |         now: u64,
[INFO] [stderr] ...    |
[INFO] [stderr] 1713 | |         Ok(false)
[INFO] [stderr] 1714 | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      |
[INFO] [stderr]      = help: you could split it up into multiple smaller functions
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 45
[INFO] [stderr]     --> src/connection.rs:1716:5
[INFO] [stderr]      |
[INFO] [stderr] 1716 | /     pub fn next_packet(&mut self, log: &Logger, config: &Config, now: u64) -> Option<Vec<u8>> {
[INFO] [stderr] 1717 | |         let established = match *self.state.as_ref().unwrap() {
[INFO] [stderr] 1718 | |             State::Handshake(_) => false,
[INFO] [stderr] 1719 | |             State::Established(_) => true,
[INFO] [stderr] ...    |
[INFO] [stderr] 2009 | |         Some(buf)
[INFO] [stderr] 2010 | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      |
[INFO] [stderr]      = help: you could split it up into multiple smaller functions
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u64 may become silently lossy if types change
[INFO] [stderr]     --> src/connection.rs:2121:31
[INFO] [stderr]      |
[INFO] [stderr] 2121 |         self.max_bi_streams = params.initial_max_streams_bidi as u64;
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(params.initial_max_streams_bidi)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]     --> src/connection.rs:2125:32
[INFO] [stderr]      |
[INFO] [stderr] 2125 |         self.max_uni_streams = params.initial_max_streams_uni as u64;
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(params.initial_max_streams_uni)`
[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/connection.rs:2126:25
[INFO] [stderr]      |
[INFO] [stderr] 2126 |         self.max_data = params.initial_max_data as u64;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(params.initial_max_data)`
[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/connection.rs:2134:29
[INFO] [stderr]      |
[INFO] [stderr] 2134 |                 .max_data = params.initial_max_stream_data as u64;
[INFO] [stderr]      |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(params.initial_max_stream_data)`
[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/connection.rs:2152:36
[INFO] [stderr]      |
[INFO] [stderr] 2152 |                     Stream::new_bi(config.stream_receive_window as u64),
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(config.stream_receive_window)`
[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/connection.rs:2159:47
[INFO] [stderr]      |
[INFO] [stderr] 2159 |         stream.send_mut().unwrap().max_data = self.params.initial_max_stream_data as u64;
[INFO] [stderr]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.params.initial_max_stream_data)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]     --> src/connection.rs:2304:71
[INFO] [stderr]      |
[INFO] [stderr] 2304 |         self.congestion_window.saturating_sub(self.bytes_in_flight) < self.mtu as u64
[INFO] [stderr]      |                                                                       ^^^^^^^^^^^^^^^ help: try: `u64::from(self.mtu)`
[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: large size difference between variants
[INFO] [stderr]     --> src/connection.rs:2528:5
[INFO] [stderr]      |
[INFO] [stderr] 2528 |     Handshake(state::Handshake),
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::large_enum_variant)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stderr] help: consider boxing the large fields to reduce the total size of the enum
[INFO] [stderr]      |
[INFO] [stderr] 2528 |     Handshake(Box<state::Handshake>),
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/frame.rs:519:14
[INFO] [stderr]     |
[INFO] [stderr] 519 |         Some(largest - block..largest + 1)
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `largest - block..=largest`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/frame.rs:548:27
[INFO] [stderr]     |
[INFO] [stderr] 548 |             ranges.insert(packet..packet + 1);
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^ help: use: `packet..=packet`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/endpoint.rs:105:34
[INFO] [stderr]     |
[INFO] [stderr] 105 |             default_initial_rtt: EXPECTED_RTT as u64 * 1000,
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(EXPECTED_RTT)`
[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 function has too many arguments (8/7)
[INFO] [stderr]    --> src/endpoint.rs:510:5
[INFO] [stderr]     |
[INFO] [stderr] 510 | /     fn handle_initial(
[INFO] [stderr] 511 | |         &mut self,
[INFO] [stderr] 512 | |         now: u64,
[INFO] [stderr] 513 | |         remote: SocketAddrV6,
[INFO] [stderr] ...   |
[INFO] [stderr] 582 | |         }
[INFO] [stderr] 583 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::too_many_arguments)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/endpoint.rs:522:22
[INFO] [stderr]     |
[INFO] [stderr] 522 |             .decrypt(packet_number as u64, header, &mut payload)
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(packet_number)`
[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/endpoint.rs:563:13
[INFO] [stderr]     |
[INFO] [stderr] 563 |             packet_number as u64,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(packet_number)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/endpoint.rs:759:69
[INFO] [stderr]     |
[INFO] [stderr] 759 |                         self.connections[conn.0].bytes_in_flight -= info.bytes as u64;
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^^^ help: try: `u64::from(info.bytes)`
[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/endpoint.rs:1102:20
[INFO] [stderr]      |
[INFO] [stderr] 1102 |     crypto.encrypt(packet_number as u64, &mut buf, header_len);
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(packet_number)`
[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/packet.rs:78:11
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn ty(&self) -> u8 {
[INFO] [stderr]    |           ^^^^^ help: consider passing by value instead: `self`
[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/packet.rs:87:30
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn encode<W: BufMut>(&self, w: &mut W) {
[INFO] [stderr]    |                              ^^^^^ help: consider passing by value instead: `self`
[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/packet.rs:96:19
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn expand(&self, prev: u64) -> u64 {
[INFO] [stderr]    |                   ^^^^^ help: consider passing by value instead: `self`
[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 u8 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/packet.rs:106:22
[INFO] [stderr]     |
[INFO] [stderr] 106 |             U8(x) => x as u64,
[INFO] [stderr]     |                      ^^^^^^^^ help: try: `u64::from(x)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/packet.rs:107:23
[INFO] [stderr]     |
[INFO] [stderr] 107 |             U16(x) => x as u64,
[INFO] [stderr]     |                       ^^^^^^^^ help: try: `u64::from(x)`
[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/packet.rs:108:23
[INFO] [stderr]     |
[INFO] [stderr] 108 |             U32(x) => x as u64,
[INFO] [stderr]     |                       ^^^^^^^^ help: try: `u64::from(x)`
[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/transport_error.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 |         Error(0x100 | u8::from(ty) as u16)
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(u8::from(ty))`
[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/lib.rs:141:22
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn initiator(&self) -> Side {
[INFO] [stderr]     |                      ^^^^^ help: consider passing by value instead: `self`
[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/lib.rs:149:27
[INFO] [stderr]     |
[INFO] [stderr] 149 |     pub fn directionality(&self) -> Directionality {
[INFO] [stderr]     |                           ^^^^^ help: consider passing by value instead: `self`
[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/lib.rs:157:18
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub fn index(&self) -> u64 {
[INFO] [stderr]     |                  ^^^^^ help: consider passing by value instead: `self`
[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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `quinn-proto`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]   --> examples/connect.rs:46:10
[INFO] [stderr]    |
[INFO] [stderr] 46 |         .ok_or(format_err!("missing address argument"))?;
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| format_err!("missing address argument"))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]   --> examples/connect.rs:70:18
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 .ok_or(format_err!("couldn't resolve to an address"))?,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| format_err!("couldn't resolve to an address"))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]    --> examples/connect.rs:104:30
[INFO] [stderr]     |
[INFO] [stderr] 104 |                             .ok_or(format_err!("no streams available"))?;
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| format_err!("no streams available"))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> examples/connect.rs:212:20
[INFO] [stderr]     |
[INFO] [stderr] 212 |             time = dt.subsec_nanos() as u64 / 1000 + dt.as_secs() * 1000 * 1000;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(dt.subsec_nanos())`
[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] error: build failed
[INFO] running `"docker" "inspect" "29c6184c7795c584bfaea23c280a1d34648ad2249750cd2e071e2e1092eb7eef"`
[INFO] running `"docker" "rm" "-f" "29c6184c7795c584bfaea23c280a1d34648ad2249750cd2e071e2e1092eb7eef"`
[INFO] [stdout] 29c6184c7795c584bfaea23c280a1d34648ad2249750cd2e071e2e1092eb7eef