[INFO] fetching crate proto-tower-http-2 0.1.6...
[INFO] building proto-tower-http-2-0.1.6 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate proto-tower-http-2 0.1.6 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate proto-tower-http-2 0.1.6
[INFO] finished tweaking crates.io crate proto-tower-http-2 0.1.6
[INFO] tweaked toml for crates.io crate proto-tower-http-2 0.1.6 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate proto-tower-http-2 0.1.6 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate proto-tower-http-2 0.1.6 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b09717f567f8cb53ee3a0a58f6e2b00946d24b908d6ab90280c819215cf51831
[INFO] running `Command { std: "docker" "start" "-a" "b09717f567f8cb53ee3a0a58f6e2b00946d24b908d6ab90280c819215cf51831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b09717f567f8cb53ee3a0a58f6e2b00946d24b908d6ab90280c819215cf51831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b09717f567f8cb53ee3a0a58f6e2b00946d24b908d6ab90280c819215cf51831", kill_on_drop: false }`
[INFO] [stdout] b09717f567f8cb53ee3a0a58f6e2b00946d24b908d6ab90280c819215cf51831
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e10fb0c99ea8a0a040fed945df669290346942fd7013ecbe1e5ae4d4c923684
[INFO] running `Command { std: "docker" "start" "-a" "6e10fb0c99ea8a0a040fed945df669290346942fd7013ecbe1e5ae4d4c923684", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling bytes v1.10.0
[INFO] [stderr]    Compiling parser-helper v0.1.0
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling async-trait v0.1.86
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling proto-tower-util v0.1.6
[INFO] [stderr]    Compiling proto-tower-http-2 v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tokio::io::AsyncWriteExt`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio::io::AsyncWriteExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/server/parser/frame_header.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 |     Ok((Http2InnerFrame::Headers(Http2FrameHeaders {
[INFO] [stdout]    |        ^
[INFO] [stdout] ...
[INFO] [stdout] 87 |     })))
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 81 ~     Ok(Http2InnerFrame::Headers(Http2FrameHeaders {
[INFO] [stdout] 82 |         flags: Http2FrameHeadersFlags::from_u8(flags),
[INFO] [stdout] ...
[INFO] [stdout] 86 |         padding: padding.to_vec(),
[INFO] [stdout] 87 ~     }))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parser_helper::ParseHelper`
[INFO] [stdout]   --> src/server/parser/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use parser_helper::ParseHelper;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_push_promise.rs:15:32
[INFO] [stdout]    |
[INFO] [stdout] 15 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_goaway.rs:15:32
[INFO] [stdout]    |
[INFO] [stdout] 15 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_priority.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_settings.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_header.rs:16:32
[INFO] [stdout]    |
[INFO] [stdout] 16 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_ping.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_reset_stream.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_unknown.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_data.rs:14:32
[INFO] [stdout]    |
[INFO] [stdout] 14 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_window_update.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server/layer.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let mut preface = async_read.read_with_timeout(&mut reader, config.timeout, Some(28)).await;
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `exclusive_and_stream_dependency` is never read
[INFO] [stdout]  --> src/server/parser/frame_header.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Http2FrameHeaders {
[INFO] [stdout]   |            ----------------- field in this struct
[INFO] [stdout] 8 |     pub flags: Http2FrameHeadersFlags,
[INFO] [stdout] 9 |     exclusive_and_stream_dependency: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Http2FrameHeaders` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_u32` is never used
[INFO] [stdout]  --> src/server/parser/error_codes.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait FrameErrorCode {
[INFO] [stdout]   |           -------------- method in this trait
[INFO] [stdout] 2 |     fn as_frame_err(&self) -> Result<FrameError, ()>;
[INFO] [stdout] 3 |     fn as_u32(&self) -> u32;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.59s
[INFO] running `Command { std: "docker" "inspect" "6e10fb0c99ea8a0a040fed945df669290346942fd7013ecbe1e5ae4d4c923684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e10fb0c99ea8a0a040fed945df669290346942fd7013ecbe1e5ae4d4c923684", kill_on_drop: false }`
[INFO] [stdout] 6e10fb0c99ea8a0a040fed945df669290346942fd7013ecbe1e5ae4d4c923684
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ceb3d3cefb148f297d613eec643499f68eb519c7a67b2cccc4eeb7723b23b922
[INFO] running `Command { std: "docker" "start" "-a" "ceb3d3cefb148f297d613eec643499f68eb519c7a67b2cccc4eeb7723b23b922", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `tokio::io::AsyncWriteExt`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio::io::AsyncWriteExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/server/parser/frame_header.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 |     Ok((Http2InnerFrame::Headers(Http2FrameHeaders {
[INFO] [stdout]    |        ^
[INFO] [stdout] ...
[INFO] [stdout] 87 |     })))
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 81 ~     Ok(Http2InnerFrame::Headers(Http2FrameHeaders {
[INFO] [stdout] 82 |         flags: Http2FrameHeadersFlags::from_u8(flags),
[INFO] [stdout] ...
[INFO] [stdout] 86 |         padding: padding.to_vec(),
[INFO] [stdout] 87 ~     }))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parser_helper::ParseHelper`
[INFO] [stdout]   --> src/server/parser/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use parser_helper::ParseHelper;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_push_promise.rs:15:32
[INFO] [stdout]    |
[INFO] [stdout] 15 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_goaway.rs:15:32
[INFO] [stdout]    |
[INFO] [stdout] 15 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_priority.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_settings.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_header.rs:16:32
[INFO] [stdout]    |
[INFO] [stdout] 16 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_ping.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_reset_stream.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_unknown.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_data.rs:14:32
[INFO] [stdout]    |
[INFO] [stdout] 14 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_window_update.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server/layer.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let mut preface = async_read.read_with_timeout(&mut reader, config.timeout, Some(28)).await;
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `exclusive_and_stream_dependency` is never read
[INFO] [stdout]  --> src/server/parser/frame_header.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Http2FrameHeaders {
[INFO] [stdout]   |            ----------------- field in this struct
[INFO] [stdout] 8 |     pub flags: Http2FrameHeadersFlags,
[INFO] [stdout] 9 |     exclusive_and_stream_dependency: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Http2FrameHeaders` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_u32` is never used
[INFO] [stdout]  --> src/server/parser/error_codes.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait FrameErrorCode {
[INFO] [stdout]   |           -------------- method in this trait
[INFO] [stdout] 2 |     fn as_frame_err(&self) -> Result<FrameError, ()>;
[INFO] [stdout] 3 |     fn as_u32(&self) -> u32;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proto-tower-http-2 v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tokio::io::AsyncWriteExt`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio::io::AsyncWriteExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/server/parser/frame_header.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 |     Ok((Http2InnerFrame::Headers(Http2FrameHeaders {
[INFO] [stdout]    |        ^
[INFO] [stdout] ...
[INFO] [stdout] 87 |     })))
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 81 ~     Ok(Http2InnerFrame::Headers(Http2FrameHeaders {
[INFO] [stdout] 82 |         flags: Http2FrameHeadersFlags::from_u8(flags),
[INFO] [stdout] ...
[INFO] [stdout] 86 |         padding: padding.to_vec(),
[INFO] [stdout] 87 ~     }))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parser_helper::ParseHelper`
[INFO] [stdout]   --> src/server/parser/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use parser_helper::ParseHelper;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_push_promise.rs:15:32
[INFO] [stdout]    |
[INFO] [stdout] 15 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_unknown.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_goaway.rs:15:32
[INFO] [stdout]    |
[INFO] [stdout] 15 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_window_update.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_settings.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_reset_stream.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_ping.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_header.rs:16:32
[INFO] [stdout]    |
[INFO] [stdout] 16 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_priority.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/server/layer.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let mut preface = async_read.read_with_timeout(&mut reader, config.timeout, Some(28)).await;
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/server/parser/frame_data.rs:14:32
[INFO] [stdout]    |
[INFO] [stdout] 14 |     async fn write_onto(&self, writer: &mut Writer) -> Result<(), ()> {
[INFO] [stdout]    |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `exclusive_and_stream_dependency` is never read
[INFO] [stdout]  --> src/server/parser/frame_header.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Http2FrameHeaders {
[INFO] [stdout]   |            ----------------- field in this struct
[INFO] [stdout] 8 |     pub flags: Http2FrameHeadersFlags,
[INFO] [stdout] 9 |     exclusive_and_stream_dependency: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Http2FrameHeaders` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_u32` is never used
[INFO] [stdout]  --> src/server/parser/error_codes.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait FrameErrorCode {
[INFO] [stdout]   |           -------------- method in this trait
[INFO] [stdout] 2 |     fn as_frame_err(&self) -> Result<FrameError, ()>;
[INFO] [stdout] 3 |     fn as_u32(&self) -> u32;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "ceb3d3cefb148f297d613eec643499f68eb519c7a67b2cccc4eeb7723b23b922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceb3d3cefb148f297d613eec643499f68eb519c7a67b2cccc4eeb7723b23b922", kill_on_drop: false }`
[INFO] [stdout] ceb3d3cefb148f297d613eec643499f68eb519c7a67b2cccc4eeb7723b23b922
