[INFO] cloning repository https://github.com/kamranrad1993/khttp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kamranrad1993/khttp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamranrad1993%2Fkhttp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamranrad1993%2Fkhttp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37c83d0ce5fbed0b0ec79d9f0eb5258544fab6dd
[INFO] building kamranrad1993/khttp against try#9a3ef2cd3ecaae3c6ef59768612837d797602a6d for pr-137044-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamranrad1993%2Fkhttp" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kamranrad1993/khttp on toolchain 9a3ef2cd3ecaae3c6ef59768612837d797602a6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kamranrad1993/khttp
[INFO] finished tweaking git repo https://github.com/kamranrad1993/khttp
[INFO] tweaked toml for git repo https://github.com/kamranrad1993/khttp written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kamranrad1993/khttp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 294f1f3843ef5f32a13fd0422d214dc28f3ed5462925abeeb425d81bff704616
[INFO] running `Command { std: "docker" "start" "-a" "294f1f3843ef5f32a13fd0422d214dc28f3ed5462925abeeb425d81bff704616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "294f1f3843ef5f32a13fd0422d214dc28f3ed5462925abeeb425d81bff704616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "294f1f3843ef5f32a13fd0422d214dc28f3ed5462925abeeb425d81bff704616", kill_on_drop: false }`
[INFO] [stdout] 294f1f3843ef5f32a13fd0422d214dc28f3ed5462925abeeb425d81bff704616
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96abdddae566409bf05248ff7d7929123bddea1fbea194be9ae8e78a77356383
[INFO] running `Command { std: "docker" "start" "-a" "96abdddae566409bf05248ff7d7929123bddea1fbea194be9ae8e78a77356383", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling httlib-huffman v0.3.4
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling bytes v1.7.2
[INFO] [stderr]    Compiling id-pool v0.2.2
[INFO] [stderr]    Compiling kparser v0.1.0 (https://github.com/kamranrad1993/kparser.git?branch=main#d4d31413)
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling khttp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `cell::RefCell`, `ptr::read`, `rc::Rc`, `result`, and `sync::Arc`
[INFO] [stdout]  --> src/http2/context.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::RefCell,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 |     ptr::read,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 7 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     result,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 9 |     sync::Arc,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Request` and `request`
[INFO] [stdout]   --> src/http2/context.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | use http::{request, Request, Response};
[INFO] [stdout]    |            ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `frame` and `hpack`
[INFO] [stdout]   --> src/http2/context.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         frame, hpack, ContinuationPayloadFlag, DataPayload, DataPayloadFlag, Frame,
[INFO] [stdout]    |         ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::BUFFER_SIZE`
[INFO] [stdout]   --> src/http2/context.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use crate::BUFFER_SIZE;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stream`
[INFO] [stdout]   --> src/http2/context.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 | use super::{stream, Http2Stream, StreamState, TcpStream};
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/http2/context.rs:262:48
[INFO] [stdout]     |
[INFO] [stdout] 262 | ...                   self.enable_push = (value.clone() != 0);
[INFO] [stdout]     |                                          ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 262 -                             self.enable_push = (value.clone() != 0);
[INFO] [stdout] 262 +                             self.enable_push = value.clone() != 0;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/http2/context.rs:266:32
[INFO] [stdout]     |
[INFO] [stdout] 266 | ...                   if (frame.stream_id.to_u32() == 0) {
[INFO] [stdout]     |                          ^                             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 266 -                             if (frame.stream_id.to_u32() == 0) {
[INFO] [stdout] 266 +                             if frame.stream_id.to_u32() == 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fd::RawFd` and `unix::net::SocketAddr`
[INFO] [stdout]  --> src/http2/stream.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::os::{fd::RawFd, unix::net::SocketAddr};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time`
[INFO] [stdout]  --> src/http2/stream.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `http::Request`
[INFO] [stdout]  --> src/http2/stream.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use http::Request;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hpack`
[INFO] [stdout]  --> src/http2/stream.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     http2::{DataPayload, Hpack},
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TcpStream` and `UnixStream`
[INFO] [stdout]   --> src/http2/stream.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | use mio::net::{TcpStream, UnixStream};
[INFO] [stdout]    |                ^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kparser::u31::u31`
[INFO] [stdout]  --> src/http2.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use kparser::u31::u31;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsFd`, `Display`, `FromRawFd`, `IntoRawFd`, `Read`, `SocketAddr`, `error::Error`, `rc::Weak`, and `result`
[INFO] [stdout]   --> src/http2.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  |     error::Error,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 10 |     fmt::{Debug, Display},
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout] 11 |     io::{self, Read, Write},
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 12 |     net::{Shutdown, SocketAddr, ToSocketAddrs},
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout] 13 |     os::fd::{AsFd, AsRawFd, FromRawFd, IntoRawFd, RawFd},
[INFO] [stdout]    |              ^^^^           ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 14 |     rc::Weak,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 15 |     result, time,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Event`, `Registry`, and `UnixStream`
[INFO] [stdout]   --> src/http2.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     event::{Event, Source},
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 22 |     net::{TcpListener, TcpStream, UnixStream},
[INFO] [stdout]    |                                   ^^^^^^^^^^
[INFO] [stdout] 23 |     unix::SourceFd,
[INFO] [stdout] 24 |     Events, Interest, Poll, Registry, Token,
[INFO] [stdout]    |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/http2.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 69  | /         loop {
[INFO] [stdout] 70  | |             let mut events = Events::with_capacity(128);
[INFO] [stdout] 71  | |             poll.poll(&mut events, None)?;
[INFO] [stdout] 72  | |             for event in &events {
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 128 |
[INFO] [stdout] 129 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Source`
[INFO] [stdout]   --> src/http2.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |     event::{Event, Source},
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/http2/context.rs:52:48
[INFO] [stdout]    |
[INFO] [stdout] 52 |             FrameParseError::PayloadParseError(e) => return ContextError::InvalidStream,
[INFO] [stdout]    |                                                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/http2/context.rs:67:45
[INFO] [stdout]    |
[INFO] [stdout] 67 |             ContextError::HeaderDecodeError(e) => f.write_str("Hpack Error"),
[INFO] [stdout]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/http2/context.rs:158:32
[INFO] [stdout]     |
[INFO] [stdout] 158 |                     if let Err(e) = Http2Pri::read_and_remove(&mut self.read_buffer) {
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/http2/context.rs:168:26
[INFO] [stdout]     |
[INFO] [stdout] 168 |                     let (mut frame_size, mut frame) = self.read_frame(&self.read_buffer)?;
[INFO] [stdout]     |                          ----^^^^^^^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/http2/context.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let mut frame = <Frame as TryFrom<&[u8]>>::try_from(&buf)?;
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/http2/context.rs:264:25
[INFO] [stdout]     |
[INFO] [stdout] 264 |                         SETTINGS_MAX_CONCURRENT_STREAMS => self.max_streams = value.clone(),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/http2/context.rs:264:25
[INFO] [stdout]     |
[INFO] [stdout] 258 |                         &SETTINGS_HEADER_TABLE_SIZE => {
[INFO] [stdout]     |                         --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 261 |                         SETTINGS_ENABLE_PUSH => {
[INFO] [stdout]     |                         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 264 |                         SETTINGS_MAX_CONCURRENT_STREAMS => self.max_streams = value.clone(),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/http2/context.rs:265:25
[INFO] [stdout]     |
[INFO] [stdout] 265 |                         SETTINGS_INITIAL_WINDOW_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/http2/context.rs:265:25
[INFO] [stdout]     |
[INFO] [stdout] 258 |                         &SETTINGS_HEADER_TABLE_SIZE => {
[INFO] [stdout]     |                         --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 261 |                         SETTINGS_ENABLE_PUSH => {
[INFO] [stdout]     |                         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 265 |                         SETTINGS_INITIAL_WINDOW_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/http2/context.rs:272:25
[INFO] [stdout]     |
[INFO] [stdout] 272 |                         SETTINGS_MAX_FRAME_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/http2/context.rs:272:25
[INFO] [stdout]     |
[INFO] [stdout] 258 |                         &SETTINGS_HEADER_TABLE_SIZE => {
[INFO] [stdout]     |                         --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 261 |                         SETTINGS_ENABLE_PUSH => {
[INFO] [stdout]     |                         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 272 |                         SETTINGS_MAX_FRAME_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/http2/context.rs:275:25
[INFO] [stdout]     |
[INFO] [stdout] 275 |                         SETTINGS_MAX_HEADER_LIST_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/http2/context.rs:275:25
[INFO] [stdout]     |
[INFO] [stdout] 258 |                         &SETTINGS_HEADER_TABLE_SIZE => {
[INFO] [stdout]     |                         --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 261 |                         SETTINGS_ENABLE_PUSH => {
[INFO] [stdout]     |                         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 275 |                         SETTINGS_MAX_HEADER_LIST_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/http2/context.rs:278:25
[INFO] [stdout]     |
[INFO] [stdout] 278 |                         _ => {}
[INFO] [stdout]     |                         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/http2/context.rs:278:25
[INFO] [stdout]     |
[INFO] [stdout] 258 |                         &SETTINGS_HEADER_TABLE_SIZE => {
[INFO] [stdout]     |                         --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 261 |                         SETTINGS_ENABLE_PUSH => {
[INFO] [stdout]     |                         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 278 |                         _ => {}
[INFO] [stdout]     |                         ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SETTINGS_ENABLE_PUSH`
[INFO] [stdout]    --> src/http2/context.rs:261:25
[INFO] [stdout]     |
[INFO] [stdout] 261 |                         SETTINGS_ENABLE_PUSH => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SETTINGS_ENABLE_PUSH`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SETTINGS_MAX_CONCURRENT_STREAMS`
[INFO] [stdout]    --> src/http2/context.rs:264:25
[INFO] [stdout]     |
[INFO] [stdout] 264 |                         SETTINGS_MAX_CONCURRENT_STREAMS => self.max_streams = value.clone(),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SETTINGS_MAX_CONCURRENT_STREAMS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SETTINGS_INITIAL_WINDOW_SIZE`
[INFO] [stdout]    --> src/http2/context.rs:265:25
[INFO] [stdout]     |
[INFO] [stdout] 265 |                         SETTINGS_INITIAL_WINDOW_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SETTINGS_INITIAL_WINDOW_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SETTINGS_MAX_FRAME_SIZE`
[INFO] [stdout]    --> src/http2/context.rs:272:25
[INFO] [stdout]     |
[INFO] [stdout] 272 |                         SETTINGS_MAX_FRAME_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SETTINGS_MAX_FRAME_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SETTINGS_MAX_HEADER_LIST_SIZE`
[INFO] [stdout]    --> src/http2/context.rs:275:25
[INFO] [stdout]     |
[INFO] [stdout] 275 |                         SETTINGS_MAX_HEADER_LIST_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SETTINGS_MAX_HEADER_LIST_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rst_payload`
[INFO] [stdout]    --> src/http2/context.rs:319:48
[INFO] [stdout]     |
[INFO] [stdout] 319 |             kparser::http2::Payload::RstStream(rst_payload) => {}
[INFO] [stdout]     |                                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rst_payload`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `goaway_payload`
[INFO] [stdout]    --> src/http2/context.rs:324:45
[INFO] [stdout]     |
[INFO] [stdout] 324 |             kparser::http2::Payload::GoAway(goaway_payload) => {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_goaway_payload`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/http2/context.rs:248:21
[INFO] [stdout]     |
[INFO] [stdout] 248 |                 let mut stream = Http2Stream::new(frame.stream_id);
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream_id`
[INFO] [stdout]    --> src/http2/context.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |         stream_id: u31,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]   --> src/http2.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let fd = mio::net::UnixStream::connect(format!("/tmp/{}", name))?;
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/http2.rs:76:50
[INFO] [stdout]    |
[INFO] [stdout] 76 | ...                   let (mut tcp_stream, addr) = self.listener.accept()?;
[INFO] [stdout]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/http2.rs:80:41
[INFO] [stdout]    |
[INFO] [stdout] 80 | ...                   Err(e) => {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/http2.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn from(value: RawFd) -> Self {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SETTINGS_ENABLE_PUSH` should have a snake case name
[INFO] [stdout]    --> src/http2/context.rs:261:25
[INFO] [stdout]     |
[INFO] [stdout] 261 |                         SETTINGS_ENABLE_PUSH => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `settings_enable_push`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SETTINGS_MAX_CONCURRENT_STREAMS` should have a snake case name
[INFO] [stdout]    --> src/http2/context.rs:264:25
[INFO] [stdout]     |
[INFO] [stdout] 264 |                         SETTINGS_MAX_CONCURRENT_STREAMS => self.max_streams = value.clone(),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `settings_max_concurrent_streams`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SETTINGS_INITIAL_WINDOW_SIZE` should have a snake case name
[INFO] [stdout]    --> src/http2/context.rs:265:25
[INFO] [stdout]     |
[INFO] [stdout] 265 |                         SETTINGS_INITIAL_WINDOW_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `settings_initial_window_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SETTINGS_MAX_FRAME_SIZE` should have a snake case name
[INFO] [stdout]    --> src/http2/context.rs:272:25
[INFO] [stdout]     |
[INFO] [stdout] 272 |                         SETTINGS_MAX_FRAME_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `settings_max_frame_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SETTINGS_MAX_HEADER_LIST_SIZE` should have a snake case name
[INFO] [stdout]    --> src/http2/context.rs:275:25
[INFO] [stdout]     |
[INFO] [stdout] 275 |                         SETTINGS_MAX_HEADER_LIST_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `settings_max_header_list_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/http2/stream.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         self.data.as_mut().unwrap().write(&data.data);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let _ = self.data.as_mut().unwrap().write(&data.data);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `request`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use http::{request, Response};
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/main.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |     server.listen(|token, request| -> Response<Vec<u8>> {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `Command { std: "docker" "inspect" "96abdddae566409bf05248ff7d7929123bddea1fbea194be9ae8e78a77356383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96abdddae566409bf05248ff7d7929123bddea1fbea194be9ae8e78a77356383", kill_on_drop: false }`
[INFO] [stdout] 96abdddae566409bf05248ff7d7929123bddea1fbea194be9ae8e78a77356383
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9279838a99cba2c112b3217467a550238a615ec2e1d716c50da887c0b6b4c4a6
[INFO] running `Command { std: "docker" "start" "-a" "9279838a99cba2c112b3217467a550238a615ec2e1d716c50da887c0b6b4c4a6", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `cell::RefCell`, `ptr::read`, `rc::Rc`, `result`, and `sync::Arc`
[INFO] [stdout]  --> src/http2/context.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::RefCell,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 |     ptr::read,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 7 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     result,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 9 |     sync::Arc,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Request` and `request`
[INFO] [stdout]   --> src/http2/context.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | use http::{request, Request, Response};
[INFO] [stdout]    |            ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `frame` and `hpack`
[INFO] [stdout]   --> src/http2/context.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         frame, hpack, ContinuationPayloadFlag, DataPayload, DataPayloadFlag, Frame,
[INFO] [stdout]    |         ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::BUFFER_SIZE`
[INFO] [stdout]   --> src/http2/context.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use crate::BUFFER_SIZE;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stream`
[INFO] [stdout]   --> src/http2/context.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 | use super::{stream, Http2Stream, StreamState, TcpStream};
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/http2/context.rs:262:48
[INFO] [stdout]     |
[INFO] [stdout] 262 | ...                   self.enable_push = (value.clone() != 0);
[INFO] [stdout]     |                                          ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 262 -                             self.enable_push = (value.clone() != 0);
[INFO] [stdout] 262 +                             self.enable_push = value.clone() != 0;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/http2/context.rs:266:32
[INFO] [stdout]     |
[INFO] [stdout] 266 | ...                   if (frame.stream_id.to_u32() == 0) {
[INFO] [stdout]     |                          ^                             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 266 -                             if (frame.stream_id.to_u32() == 0) {
[INFO] [stdout] 266 +                             if frame.stream_id.to_u32() == 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fd::RawFd` and `unix::net::SocketAddr`
[INFO] [stdout]  --> src/http2/stream.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::os::{fd::RawFd, unix::net::SocketAddr};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time`
[INFO] [stdout]  --> src/http2/stream.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `http::Request`
[INFO] [stdout]  --> src/http2/stream.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use http::Request;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hpack`
[INFO] [stdout]  --> src/http2/stream.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     http2::{DataPayload, Hpack},
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TcpStream` and `UnixStream`
[INFO] [stdout]   --> src/http2/stream.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | use mio::net::{TcpStream, UnixStream};
[INFO] [stdout]    |                ^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kparser::u31::u31`
[INFO] [stdout]  --> src/http2.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use kparser::u31::u31;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsFd`, `Display`, `FromRawFd`, `IntoRawFd`, `Read`, `SocketAddr`, `error::Error`, `rc::Weak`, and `result`
[INFO] [stdout]   --> src/http2.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  |     error::Error,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 10 |     fmt::{Debug, Display},
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout] 11 |     io::{self, Read, Write},
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 12 |     net::{Shutdown, SocketAddr, ToSocketAddrs},
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout] 13 |     os::fd::{AsFd, AsRawFd, FromRawFd, IntoRawFd, RawFd},
[INFO] [stdout]    |              ^^^^           ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 14 |     rc::Weak,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 15 |     result, time,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling khttp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Event`, `Registry`, and `UnixStream`
[INFO] [stdout]   --> src/http2.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     event::{Event, Source},
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 22 |     net::{TcpListener, TcpStream, UnixStream},
[INFO] [stdout]    |                                   ^^^^^^^^^^
[INFO] [stdout] 23 |     unix::SourceFd,
[INFO] [stdout] 24 |     Events, Interest, Poll, Registry, Token,
[INFO] [stdout]    |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/http2.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 69  | /         loop {
[INFO] [stdout] 70  | |             let mut events = Events::with_capacity(128);
[INFO] [stdout] 71  | |             poll.poll(&mut events, None)?;
[INFO] [stdout] 72  | |             for event in &events {
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 128 |
[INFO] [stdout] 129 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Source`
[INFO] [stdout]   --> src/http2.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |     event::{Event, Source},
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/http2/context.rs:52:48
[INFO] [stdout]    |
[INFO] [stdout] 52 |             FrameParseError::PayloadParseError(e) => return ContextError::InvalidStream,
[INFO] [stdout]    |                                                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/http2/context.rs:67:45
[INFO] [stdout]    |
[INFO] [stdout] 67 |             ContextError::HeaderDecodeError(e) => f.write_str("Hpack Error"),
[INFO] [stdout]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/http2/context.rs:158:32
[INFO] [stdout]     |
[INFO] [stdout] 158 |                     if let Err(e) = Http2Pri::read_and_remove(&mut self.read_buffer) {
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/http2/context.rs:168:26
[INFO] [stdout]     |
[INFO] [stdout] 168 |                     let (mut frame_size, mut frame) = self.read_frame(&self.read_buffer)?;
[INFO] [stdout]     |                          ----^^^^^^^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/http2/context.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let mut frame = <Frame as TryFrom<&[u8]>>::try_from(&buf)?;
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/http2/context.rs:264:25
[INFO] [stdout]     |
[INFO] [stdout] 264 |                         SETTINGS_MAX_CONCURRENT_STREAMS => self.max_streams = value.clone(),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/http2/context.rs:264:25
[INFO] [stdout]     |
[INFO] [stdout] 258 |                         &SETTINGS_HEADER_TABLE_SIZE => {
[INFO] [stdout]     |                         --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 261 |                         SETTINGS_ENABLE_PUSH => {
[INFO] [stdout]     |                         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 264 |                         SETTINGS_MAX_CONCURRENT_STREAMS => self.max_streams = value.clone(),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/http2/context.rs:265:25
[INFO] [stdout]     |
[INFO] [stdout] 265 |                         SETTINGS_INITIAL_WINDOW_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/http2/context.rs:265:25
[INFO] [stdout]     |
[INFO] [stdout] 258 |                         &SETTINGS_HEADER_TABLE_SIZE => {
[INFO] [stdout]     |                         --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 261 |                         SETTINGS_ENABLE_PUSH => {
[INFO] [stdout]     |                         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 265 |                         SETTINGS_INITIAL_WINDOW_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/http2/context.rs:272:25
[INFO] [stdout]     |
[INFO] [stdout] 272 |                         SETTINGS_MAX_FRAME_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/http2/context.rs:272:25
[INFO] [stdout]     |
[INFO] [stdout] 258 |                         &SETTINGS_HEADER_TABLE_SIZE => {
[INFO] [stdout]     |                         --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 261 |                         SETTINGS_ENABLE_PUSH => {
[INFO] [stdout]     |                         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 272 |                         SETTINGS_MAX_FRAME_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/http2/context.rs:275:25
[INFO] [stdout]     |
[INFO] [stdout] 275 |                         SETTINGS_MAX_HEADER_LIST_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/http2/context.rs:275:25
[INFO] [stdout]     |
[INFO] [stdout] 258 |                         &SETTINGS_HEADER_TABLE_SIZE => {
[INFO] [stdout]     |                         --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 261 |                         SETTINGS_ENABLE_PUSH => {
[INFO] [stdout]     |                         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 275 |                         SETTINGS_MAX_HEADER_LIST_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/http2/context.rs:278:25
[INFO] [stdout]     |
[INFO] [stdout] 278 |                         _ => {}
[INFO] [stdout]     |                         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/http2/context.rs:278:25
[INFO] [stdout]     |
[INFO] [stdout] 258 |                         &SETTINGS_HEADER_TABLE_SIZE => {
[INFO] [stdout]     |                         --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 261 |                         SETTINGS_ENABLE_PUSH => {
[INFO] [stdout]     |                         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 278 |                         _ => {}
[INFO] [stdout]     |                         ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SETTINGS_ENABLE_PUSH`
[INFO] [stdout]    --> src/http2/context.rs:261:25
[INFO] [stdout]     |
[INFO] [stdout] 261 |                         SETTINGS_ENABLE_PUSH => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SETTINGS_ENABLE_PUSH`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SETTINGS_MAX_CONCURRENT_STREAMS`
[INFO] [stdout]    --> src/http2/context.rs:264:25
[INFO] [stdout]     |
[INFO] [stdout] 264 |                         SETTINGS_MAX_CONCURRENT_STREAMS => self.max_streams = value.clone(),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SETTINGS_MAX_CONCURRENT_STREAMS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SETTINGS_INITIAL_WINDOW_SIZE`
[INFO] [stdout]    --> src/http2/context.rs:265:25
[INFO] [stdout]     |
[INFO] [stdout] 265 |                         SETTINGS_INITIAL_WINDOW_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SETTINGS_INITIAL_WINDOW_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SETTINGS_MAX_FRAME_SIZE`
[INFO] [stdout]    --> src/http2/context.rs:272:25
[INFO] [stdout]     |
[INFO] [stdout] 272 |                         SETTINGS_MAX_FRAME_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SETTINGS_MAX_FRAME_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SETTINGS_MAX_HEADER_LIST_SIZE`
[INFO] [stdout]    --> src/http2/context.rs:275:25
[INFO] [stdout]     |
[INFO] [stdout] 275 |                         SETTINGS_MAX_HEADER_LIST_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SETTINGS_MAX_HEADER_LIST_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rst_payload`
[INFO] [stdout]    --> src/http2/context.rs:319:48
[INFO] [stdout]     |
[INFO] [stdout] 319 |             kparser::http2::Payload::RstStream(rst_payload) => {}
[INFO] [stdout]     |                                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rst_payload`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `goaway_payload`
[INFO] [stdout]    --> src/http2/context.rs:324:45
[INFO] [stdout]     |
[INFO] [stdout] 324 |             kparser::http2::Payload::GoAway(goaway_payload) => {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_goaway_payload`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/http2/context.rs:248:21
[INFO] [stdout]     |
[INFO] [stdout] 248 |                 let mut stream = Http2Stream::new(frame.stream_id);
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream_id`
[INFO] [stdout]    --> src/http2/context.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |         stream_id: u31,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]   --> src/http2.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let fd = mio::net::UnixStream::connect(format!("/tmp/{}", name))?;
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/http2.rs:76:50
[INFO] [stdout]    |
[INFO] [stdout] 76 | ...                   let (mut tcp_stream, addr) = self.listener.accept()?;
[INFO] [stdout]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/http2.rs:80:41
[INFO] [stdout]    |
[INFO] [stdout] 80 | ...                   Err(e) => {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/http2.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn from(value: RawFd) -> Self {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SETTINGS_ENABLE_PUSH` should have a snake case name
[INFO] [stdout]    --> src/http2/context.rs:261:25
[INFO] [stdout]     |
[INFO] [stdout] 261 |                         SETTINGS_ENABLE_PUSH => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `settings_enable_push`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SETTINGS_MAX_CONCURRENT_STREAMS` should have a snake case name
[INFO] [stdout]    --> src/http2/context.rs:264:25
[INFO] [stdout]     |
[INFO] [stdout] 264 |                         SETTINGS_MAX_CONCURRENT_STREAMS => self.max_streams = value.clone(),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `settings_max_concurrent_streams`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SETTINGS_INITIAL_WINDOW_SIZE` should have a snake case name
[INFO] [stdout]    --> src/http2/context.rs:265:25
[INFO] [stdout]     |
[INFO] [stdout] 265 |                         SETTINGS_INITIAL_WINDOW_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `settings_initial_window_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SETTINGS_MAX_FRAME_SIZE` should have a snake case name
[INFO] [stdout]    --> src/http2/context.rs:272:25
[INFO] [stdout]     |
[INFO] [stdout] 272 |                         SETTINGS_MAX_FRAME_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `settings_max_frame_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SETTINGS_MAX_HEADER_LIST_SIZE` should have a snake case name
[INFO] [stdout]    --> src/http2/context.rs:275:25
[INFO] [stdout]     |
[INFO] [stdout] 275 |                         SETTINGS_MAX_HEADER_LIST_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `settings_max_header_list_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/http2/stream.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         self.data.as_mut().unwrap().write(&data.data);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let _ = self.data.as_mut().unwrap().write(&data.data);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cell::RefCell`, `ptr::read`, `rc::Rc`, `result`, and `sync::Arc`
[INFO] [stdout]  --> src/http2/context.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::RefCell,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 |     ptr::read,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 7 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     result,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 9 |     sync::Arc,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Request` and `request`
[INFO] [stdout]   --> src/http2/context.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | use http::{request, Request, Response};
[INFO] [stdout]    |            ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `frame` and `hpack`
[INFO] [stdout]   --> src/http2/context.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         frame, hpack, ContinuationPayloadFlag, DataPayload, DataPayloadFlag, Frame,
[INFO] [stdout]    |         ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::BUFFER_SIZE`
[INFO] [stdout]   --> src/http2/context.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use crate::BUFFER_SIZE;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stream`
[INFO] [stdout]   --> src/http2/context.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 | use super::{stream, Http2Stream, StreamState, TcpStream};
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/http2/context.rs:262:48
[INFO] [stdout]     |
[INFO] [stdout] 262 | ...                   self.enable_push = (value.clone() != 0);
[INFO] [stdout]     |                                          ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 262 -                             self.enable_push = (value.clone() != 0);
[INFO] [stdout] 262 +                             self.enable_push = value.clone() != 0;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/http2/context.rs:266:32
[INFO] [stdout]     |
[INFO] [stdout] 266 | ...                   if (frame.stream_id.to_u32() == 0) {
[INFO] [stdout]     |                          ^                             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 266 -                             if (frame.stream_id.to_u32() == 0) {
[INFO] [stdout] 266 +                             if frame.stream_id.to_u32() == 0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fd::RawFd` and `unix::net::SocketAddr`
[INFO] [stdout]  --> src/http2/stream.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::os::{fd::RawFd, unix::net::SocketAddr};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time`
[INFO] [stdout]  --> src/http2/stream.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `http::Request`
[INFO] [stdout]  --> src/http2/stream.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use http::Request;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hpack`
[INFO] [stdout]  --> src/http2/stream.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     http2::{DataPayload, Hpack},
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TcpStream` and `UnixStream`
[INFO] [stdout]   --> src/http2/stream.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | use mio::net::{TcpStream, UnixStream};
[INFO] [stdout]    |                ^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kparser::u31::u31`
[INFO] [stdout]  --> src/http2.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use kparser::u31::u31;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsFd`, `Display`, `FromRawFd`, `IntoRawFd`, `Read`, `SocketAddr`, `error::Error`, `rc::Weak`, and `result`
[INFO] [stdout]   --> src/http2.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  |     error::Error,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 10 |     fmt::{Debug, Display},
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout] 11 |     io::{self, Read, Write},
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 12 |     net::{Shutdown, SocketAddr, ToSocketAddrs},
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout] 13 |     os::fd::{AsFd, AsRawFd, FromRawFd, IntoRawFd, RawFd},
[INFO] [stdout]    |              ^^^^           ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 14 |     rc::Weak,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 15 |     result, time,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Event`, `Registry`, and `UnixStream`
[INFO] [stdout]   --> src/http2.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     event::{Event, Source},
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 22 |     net::{TcpListener, TcpStream, UnixStream},
[INFO] [stdout]    |                                   ^^^^^^^^^^
[INFO] [stdout] 23 |     unix::SourceFd,
[INFO] [stdout] 24 |     Events, Interest, Poll, Registry, Token,
[INFO] [stdout]    |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `request`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use http::{request, Response};
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/main.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |     server.listen(|token, request| -> Response<Vec<u8>> {
[INFO] [stdout]    |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/http2.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 69  | /         loop {
[INFO] [stdout] 70  | |             let mut events = Events::with_capacity(128);
[INFO] [stdout] 71  | |             poll.poll(&mut events, None)?;
[INFO] [stdout] 72  | |             for event in &events {
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 128 |
[INFO] [stdout] 129 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Source`
[INFO] [stdout]   --> src/http2.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |     event::{Event, Source},
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/http2/context.rs:52:48
[INFO] [stdout]    |
[INFO] [stdout] 52 |             FrameParseError::PayloadParseError(e) => return ContextError::InvalidStream,
[INFO] [stdout]    |                                                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/http2/context.rs:67:45
[INFO] [stdout]    |
[INFO] [stdout] 67 |             ContextError::HeaderDecodeError(e) => f.write_str("Hpack Error"),
[INFO] [stdout]    |                                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/http2/context.rs:158:32
[INFO] [stdout]     |
[INFO] [stdout] 158 |                     if let Err(e) = Http2Pri::read_and_remove(&mut self.read_buffer) {
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/http2/context.rs:168:26
[INFO] [stdout]     |
[INFO] [stdout] 168 |                     let (mut frame_size, mut frame) = self.read_frame(&self.read_buffer)?;
[INFO] [stdout]     |                          ----^^^^^^^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/http2/context.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let mut frame = <Frame as TryFrom<&[u8]>>::try_from(&buf)?;
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/http2/context.rs:264:25
[INFO] [stdout]     |
[INFO] [stdout] 264 |                         SETTINGS_MAX_CONCURRENT_STREAMS => self.max_streams = value.clone(),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/http2/context.rs:264:25
[INFO] [stdout]     |
[INFO] [stdout] 258 |                         &SETTINGS_HEADER_TABLE_SIZE => {
[INFO] [stdout]     |                         --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 261 |                         SETTINGS_ENABLE_PUSH => {
[INFO] [stdout]     |                         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 264 |                         SETTINGS_MAX_CONCURRENT_STREAMS => self.max_streams = value.clone(),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/http2/context.rs:265:25
[INFO] [stdout]     |
[INFO] [stdout] 265 |                         SETTINGS_INITIAL_WINDOW_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/http2/context.rs:265:25
[INFO] [stdout]     |
[INFO] [stdout] 258 |                         &SETTINGS_HEADER_TABLE_SIZE => {
[INFO] [stdout]     |                         --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 261 |                         SETTINGS_ENABLE_PUSH => {
[INFO] [stdout]     |                         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 265 |                         SETTINGS_INITIAL_WINDOW_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/http2/context.rs:272:25
[INFO] [stdout]     |
[INFO] [stdout] 272 |                         SETTINGS_MAX_FRAME_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/http2/context.rs:272:25
[INFO] [stdout]     |
[INFO] [stdout] 258 |                         &SETTINGS_HEADER_TABLE_SIZE => {
[INFO] [stdout]     |                         --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 261 |                         SETTINGS_ENABLE_PUSH => {
[INFO] [stdout]     |                         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 272 |                         SETTINGS_MAX_FRAME_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/http2/context.rs:275:25
[INFO] [stdout]     |
[INFO] [stdout] 275 |                         SETTINGS_MAX_HEADER_LIST_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/http2/context.rs:275:25
[INFO] [stdout]     |
[INFO] [stdout] 258 |                         &SETTINGS_HEADER_TABLE_SIZE => {
[INFO] [stdout]     |                         --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 261 |                         SETTINGS_ENABLE_PUSH => {
[INFO] [stdout]     |                         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 275 |                         SETTINGS_MAX_HEADER_LIST_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/http2/context.rs:278:25
[INFO] [stdout]     |
[INFO] [stdout] 278 |                         _ => {}
[INFO] [stdout]     |                         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/http2/context.rs:278:25
[INFO] [stdout]     |
[INFO] [stdout] 258 |                         &SETTINGS_HEADER_TABLE_SIZE => {
[INFO] [stdout]     |                         --------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 261 |                         SETTINGS_ENABLE_PUSH => {
[INFO] [stdout]     |                         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 278 |                         _ => {}
[INFO] [stdout]     |                         ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SETTINGS_ENABLE_PUSH`
[INFO] [stdout]    --> src/http2/context.rs:261:25
[INFO] [stdout]     |
[INFO] [stdout] 261 |                         SETTINGS_ENABLE_PUSH => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SETTINGS_ENABLE_PUSH`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SETTINGS_MAX_CONCURRENT_STREAMS`
[INFO] [stdout]    --> src/http2/context.rs:264:25
[INFO] [stdout]     |
[INFO] [stdout] 264 |                         SETTINGS_MAX_CONCURRENT_STREAMS => self.max_streams = value.clone(),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SETTINGS_MAX_CONCURRENT_STREAMS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SETTINGS_INITIAL_WINDOW_SIZE`
[INFO] [stdout]    --> src/http2/context.rs:265:25
[INFO] [stdout]     |
[INFO] [stdout] 265 |                         SETTINGS_INITIAL_WINDOW_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SETTINGS_INITIAL_WINDOW_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SETTINGS_MAX_FRAME_SIZE`
[INFO] [stdout]    --> src/http2/context.rs:272:25
[INFO] [stdout]     |
[INFO] [stdout] 272 |                         SETTINGS_MAX_FRAME_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SETTINGS_MAX_FRAME_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SETTINGS_MAX_HEADER_LIST_SIZE`
[INFO] [stdout]    --> src/http2/context.rs:275:25
[INFO] [stdout]     |
[INFO] [stdout] 275 |                         SETTINGS_MAX_HEADER_LIST_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SETTINGS_MAX_HEADER_LIST_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rst_payload`
[INFO] [stdout]    --> src/http2/context.rs:319:48
[INFO] [stdout]     |
[INFO] [stdout] 319 |             kparser::http2::Payload::RstStream(rst_payload) => {}
[INFO] [stdout]     |                                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rst_payload`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `goaway_payload`
[INFO] [stdout]    --> src/http2/context.rs:324:45
[INFO] [stdout]     |
[INFO] [stdout] 324 |             kparser::http2::Payload::GoAway(goaway_payload) => {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_goaway_payload`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/http2/context.rs:248:21
[INFO] [stdout]     |
[INFO] [stdout] 248 |                 let mut stream = Http2Stream::new(frame.stream_id);
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream_id`
[INFO] [stdout]    --> src/http2/context.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |         stream_id: u31,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]   --> src/http2.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let fd = mio::net::UnixStream::connect(format!("/tmp/{}", name))?;
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/http2.rs:76:50
[INFO] [stdout]    |
[INFO] [stdout] 76 | ...                   let (mut tcp_stream, addr) = self.listener.accept()?;
[INFO] [stdout]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/http2.rs:80:41
[INFO] [stdout]    |
[INFO] [stdout] 80 | ...                   Err(e) => {
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/http2.rs:152:13
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn from(value: RawFd) -> Self {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/lib.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |         server.listen(|token, request| -> Response<Vec<u8>> {
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SETTINGS_ENABLE_PUSH` should have a snake case name
[INFO] [stdout]    --> src/http2/context.rs:261:25
[INFO] [stdout]     |
[INFO] [stdout] 261 |                         SETTINGS_ENABLE_PUSH => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `settings_enable_push`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SETTINGS_MAX_CONCURRENT_STREAMS` should have a snake case name
[INFO] [stdout]    --> src/http2/context.rs:264:25
[INFO] [stdout]     |
[INFO] [stdout] 264 |                         SETTINGS_MAX_CONCURRENT_STREAMS => self.max_streams = value.clone(),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `settings_max_concurrent_streams`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SETTINGS_INITIAL_WINDOW_SIZE` should have a snake case name
[INFO] [stdout]    --> src/http2/context.rs:265:25
[INFO] [stdout]     |
[INFO] [stdout] 265 |                         SETTINGS_INITIAL_WINDOW_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `settings_initial_window_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SETTINGS_MAX_FRAME_SIZE` should have a snake case name
[INFO] [stdout]    --> src/http2/context.rs:272:25
[INFO] [stdout]     |
[INFO] [stdout] 272 |                         SETTINGS_MAX_FRAME_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `settings_max_frame_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SETTINGS_MAX_HEADER_LIST_SIZE` should have a snake case name
[INFO] [stdout]    --> src/http2/context.rs:275:25
[INFO] [stdout]     |
[INFO] [stdout] 275 |                         SETTINGS_MAX_HEADER_LIST_SIZE => {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `settings_max_header_list_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/http2/stream.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         self.data.as_mut().unwrap().write(&data.data);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let _ = self.data.as_mut().unwrap().write(&data.data);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "9279838a99cba2c112b3217467a550238a615ec2e1d716c50da887c0b6b4c4a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9279838a99cba2c112b3217467a550238a615ec2e1d716c50da887c0b6b4c4a6", kill_on_drop: false }`
[INFO] [stdout] 9279838a99cba2c112b3217467a550238a615ec2e1d716c50da887c0b6b4c4a6