[INFO] cloning repository https://github.com/jonmest/flax
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonmest/flax" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonmest%2Fflax", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonmest%2Fflax'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ac54a0d1fe0f77d02d3d381da79703849a8f0f8
[INFO] fixing jonmest/flax against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonmest%2Fflax" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jonmest/flax
[INFO] finished tweaking git repo https://github.com/jonmest/flax
[INFO] tweaked toml for git repo https://github.com/jonmest/flax written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jonmest/flax on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jonmest/flax 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded core_affinity v0.8.3
[INFO] [stderr]   Downloaded io-uring v0.5.13
[INFO] [stderr]   Downloaded syn v2.0.109
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 761849d60e7324b9fb8c9aa6482c5e49e7456d6dbca40a76074686286f2ae41b
[INFO] running `Command { std: "docker" "start" "761849d60e7324b9fb8c9aa6482c5e49e7456d6dbca40a76074686286f2ae41b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "761849d60e7324b9fb8c9aa6482c5e49e7456d6dbca40a76074686286f2ae41b" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "761849d60e7324b9fb8c9aa6482c5e49e7456d6dbca40a76074686286f2ae41b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "761849d60e7324b9fb8c9aa6482c5e49e7456d6dbca40a76074686286f2ae41b" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-uring v0.5.13
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling syn v2.0.109
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking core_affinity v0.8.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking flax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/balancer/connection_pool.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/balancer/connection_pool.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `event_count_batch` is never read
[INFO] [stdout]   --> src/balancer/worker.rs:59:40
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let mut event_count_batch: usize = 0;
[INFO] [stdout]    |                                        ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 62 |         event_count_batch = 0;
[INFO] [stdout]    |         --------------------- `event_count_batch` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `event_count_batch` is never read
[INFO] [stdout]   --> src/balancer/worker.rs:59:40
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let mut event_count_batch: usize = 0;
[INFO] [stdout]    |                                        ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 62 |         event_count_batch = 0;
[INFO] [stdout]    |         --------------------- `event_count_batch` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `flax::core::route`
[INFO] [stdout]  --> examples/manage_backends.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | use flax::core::route::{get_backend_pool, init_backend_pool, Backend};
[INFO] [stdout]   |                 ^^^^^ could not find `route` in `core`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BackendPool` and `get_backend_pool`
[INFO] [stdout]  --> src/backend/mod.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use pool::{Backend, BackendPool, get_backend_pool, init_backend_pool, select_backend};
[INFO] [stdout]   |                         ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flax` (example "manage_backends") due to 1 previous error
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/balancer/connection_pool.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `connection_pool::ConnectionPool`
[INFO] [stdout]   --> src/balancer/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use connection_pool::ConnectionPool;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HttpMetadata`
[INFO] [stdout]  --> src/protocol/mod.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use http1::{HttpBuf, HttpMetadata, peek_request_headers};
[INFO] [stdout]   |                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BackendPool` and `get_backend_pool`
[INFO] [stdout]  --> src/backend/mod.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use pool::{Backend, BackendPool, get_backend_pool, init_backend_pool, select_backend};
[INFO] [stdout]   |                         ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/balancer/connection_pool.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `connection_pool::ConnectionPool`
[INFO] [stdout]   --> src/balancer/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub use connection_pool::ConnectionPool;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HttpMetadata`
[INFO] [stdout]  --> src/protocol/mod.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use http1::{HttpBuf, HttpMetadata, peek_request_headers};
[INFO] [stdout]   |                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `event_count_batch` is never read
[INFO] [stdout]   --> src/balancer/worker.rs:59:40
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let mut event_count_batch: usize = 0;
[INFO] [stdout]    |                                        ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 62 |         event_count_batch = 0;
[INFO] [stdout]    |         --------------------- `event_count_batch` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_backend`, `remove_backend`, `list_backends`, `count`, and `clear` are never used
[INFO] [stdout]   --> src/backend/pool.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl BackendPool {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn add_backend(&self, backend: Backend) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn remove_backend(&self, address: SocketAddr) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn list_backends(&self) -> Vec<SocketAddr> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn count(&self) -> usize {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn clear(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sqpoll_cpu` is never read
[INFO] [stdout]   --> src/balancer/config.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub struct WorkerConfig {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub sqpoll_cpu: u32,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WorkerConfig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get` is never used
[INFO] [stdout]   --> src/balancer/config.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl WorkerConfig {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 32 |     pub fn get(ring_size: u32, pool_capacity: usize, sqpoll_cpu: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `pairs_mut`, `len`, and `is_empty` are never used
[INFO] [stdout]   --> src/balancer/connection_pool.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl ConnectionPool {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub fn pairs_mut(&mut self) -> &mut Vec<Option<ConnectionPair>> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `READ_BUF` is never used
[INFO] [stdout]  --> src/core/constants.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const READ_BUF: usize = 4096;
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_ACCEPT` is never used
[INFO] [stdout]  --> src/core/constants.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const OP_ACCEPT: u8 = 1;
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_CONNECT` is never used
[INFO] [stdout]  --> src/core/constants.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const OP_CONNECT: u8 = 2;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_RECV` is never used
[INFO] [stdout]  --> src/core/constants.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const OP_RECV: u8 = 3;
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_SEND` is never used
[INFO] [stdout]  --> src/core/constants.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const OP_SEND: u8 = 4;
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `find_headers_end` and `consume_to` are never used
[INFO] [stdout]   --> src/protocol/http1.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl HttpBuf {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn find_headers_end(&self) -> Option<usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn consume_to(&mut self, pos: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `method_bytes`, `path_bytes`, `host_header_value`, and `header_block_end_index` are never read
[INFO] [stdout]   --> src/protocol/http1.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct HttpMetadata<'a> {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 67 |     pub method_bytes: &'a [u8],
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 68 |     pub path_bytes: &'a [u8],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 69 |     pub host_header_value: Option<&'a [u8]>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub header_block_end_index: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `event_count_batch` is never read
[INFO] [stdout]   --> src/balancer/worker.rs:59:40
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let mut event_count_batch: usize = 0;
[INFO] [stdout]    |                                        ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 62 |         event_count_batch = 0;
[INFO] [stdout]    |         --------------------- `event_count_batch` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_backend`, `remove_backend`, `list_backends`, `count`, and `clear` are never used
[INFO] [stdout]   --> src/backend/pool.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl BackendPool {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn add_backend(&self, backend: Backend) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn remove_backend(&self, address: SocketAddr) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn list_backends(&self) -> Vec<SocketAddr> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn count(&self) -> usize {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn clear(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sqpoll_cpu` is never read
[INFO] [stdout]   --> src/balancer/config.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub struct WorkerConfig {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub sqpoll_cpu: u32,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WorkerConfig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get` is never used
[INFO] [stdout]   --> src/balancer/config.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl WorkerConfig {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 32 |     pub fn get(ring_size: u32, pool_capacity: usize, sqpoll_cpu: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `pairs_mut`, `len`, and `is_empty` are never used
[INFO] [stdout]   --> src/balancer/connection_pool.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl ConnectionPool {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub fn pairs_mut(&mut self) -> &mut Vec<Option<ConnectionPair>> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `READ_BUF` is never used
[INFO] [stdout]  --> src/core/constants.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const READ_BUF: usize = 4096;
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_ACCEPT` is never used
[INFO] [stdout]  --> src/core/constants.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const OP_ACCEPT: u8 = 1;
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_CONNECT` is never used
[INFO] [stdout]  --> src/core/constants.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const OP_CONNECT: u8 = 2;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_RECV` is never used
[INFO] [stdout]  --> src/core/constants.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const OP_RECV: u8 = 3;
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_SEND` is never used
[INFO] [stdout]  --> src/core/constants.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const OP_SEND: u8 = 4;
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `find_headers_end` and `consume_to` are never used
[INFO] [stdout]   --> src/protocol/http1.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl HttpBuf {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn find_headers_end(&self) -> Option<usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn consume_to(&mut self, pos: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `method_bytes`, `path_bytes`, `host_header_value`, and `header_block_end_index` are never read
[INFO] [stdout]   --> src/protocol/http1.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct HttpMetadata<'a> {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 67 |     pub method_bytes: &'a [u8],
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 68 |     pub path_bytes: &'a [u8],
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 69 |     pub host_header_value: Option<&'a [u8]>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub header_block_end_index: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "761849d60e7324b9fb8c9aa6482c5e49e7456d6dbca40a76074686286f2ae41b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "761849d60e7324b9fb8c9aa6482c5e49e7456d6dbca40a76074686286f2ae41b", kill_on_drop: false }`
[INFO] [stdout] 761849d60e7324b9fb8c9aa6482c5e49e7456d6dbca40a76074686286f2ae41b
