[INFO] cloning repository https://github.com/sozu-proxy/proxy-test-suite
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sozu-proxy/proxy-test-suite" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsozu-proxy%2Fproxy-test-suite", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsozu-proxy%2Fproxy-test-suite'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 430df91a37e89e8aa80434edbd3740962faabd62
[INFO] checking sozu-proxy/proxy-test-suite against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsozu-proxy%2Fproxy-test-suite" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sozu-proxy/proxy-test-suite on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sozu-proxy/proxy-test-suite
[INFO] finished tweaking git repo https://github.com/sozu-proxy/proxy-test-suite
[INFO] tweaked toml for git repo https://github.com/sozu-proxy/proxy-test-suite written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/sozu-proxy/proxy-test-suite already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbb3b2ed0a20884941aa2d986bf730fe6f7e87cfcbcef7df7a6e31dda20fb6ca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bbb3b2ed0a20884941aa2d986bf730fe6f7e87cfcbcef7df7a6e31dda20fb6ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbb3b2ed0a20884941aa2d986bf730fe6f7e87cfcbcef7df7a6e31dda20fb6ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbb3b2ed0a20884941aa2d986bf730fe6f7e87cfcbcef7df7a6e31dda20fb6ca", kill_on_drop: false }`
[INFO] [stdout] bbb3b2ed0a20884941aa2d986bf730fe6f7e87cfcbcef7df7a6e31dda20fb6ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b3bb5158a2f33e69843b6c3f68e1583ee7c46c4f738465f589503048043214c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4b3bb5158a2f33e69843b6c3f68e1583ee7c46c4f738465f589503048043214c", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking tokio-io v0.1.5
[INFO] [stderr]     Checking mio v0.6.13
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking tokio-core v0.1.12
[INFO] [stderr]     Checking proxy-test-suite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `data::*`
[INFO] [stdout]  --> src/check/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use data::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `data::*`
[INFO] [stdout]  --> src/check/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use data::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/check/mod.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap,HashSet};
[INFO] [stdout]   |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/check/mod.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap,HashSet};
[INFO] [stdout]   |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `ErrorKind`, `Read`, `Write`
[INFO] [stdout]  --> src/check/mod.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{Read, Write, ErrorKind,BufReader};
[INFO] [stdout]   |               ^^^^  ^^^^^  ^^^^^^^^^ ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader`, `ErrorKind`, `Read`, `Write`
[INFO] [stdout]  --> src/check/mod.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{Read, Write, ErrorKind,BufReader};
[INFO] [stdout]   |               ^^^^  ^^^^^  ^^^^^^^^^ ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/check/success.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 |   pub fn create() -> Arc<Mutex<Check>> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Check`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/check/success.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 |   pub fn create() -> Arc<Mutex<Check>> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Check`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/check/request_failure.rs:14:32
[INFO] [stdout]    |
[INFO] [stdout] 14 |   pub fn create() -> Arc<Mutex<Check>> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Check`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/check/request_failure.rs:14:32
[INFO] [stdout]    |
[INFO] [stdout] 14 |   pub fn create() -> Arc<Mutex<Check>> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Check`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/check/response_failure.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 |   pub fn create() -> Arc<Mutex<Check>> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Check`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/check/response_failure.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 |   pub fn create() -> Arc<Mutex<Check>> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Check`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/check/mod.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |   checks: HashMap<usize, Arc<Mutex<Check>>>,
[INFO] [stdout]    |                                    ^^^^^ help: use `dyn`: `dyn Check`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/check/mod.rs:44:30
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn create() -> Arc<Mutex<Check>> {
[INFO] [stdout]    |                              ^^^^^ help: use `dyn`: `dyn Check`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/check/mod.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |   checks: HashMap<usize, Arc<Mutex<Check>>>,
[INFO] [stdout]    |                                    ^^^^^ help: use `dyn`: `dyn Check`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/check/mod.rs:44:30
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn create() -> Arc<Mutex<Check>> {
[INFO] [stdout]    |                              ^^^^^ help: use `dyn`: `dyn Check`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/check/mod.rs:70:68
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn run_check(listener: Incoming, handle: Handle, c1: Arc<Mutex<Check>>) -> impl Future<Item = Incoming, Error = ()> {
[INFO] [stdout]    |                                                                    ^^^^^ help: use `dyn`: `dyn Check`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/check/mod.rs:70:68
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn run_check(listener: Incoming, handle: Handle, c1: Arc<Mutex<Check>>) -> impl Future<Item = Incoming, Error = ()> {
[INFO] [stdout]    |                                                                    ^^^^^ help: use `dyn`: `dyn Check`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/check/mod.rs:77:56
[INFO] [stdout]    |
[INFO] [stdout] 77 |     Box::new(run_success(listener, handle, c1)) as Box<Future<Item = Incoming, Error = ()>>
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Incoming, Error = ()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/check/mod.rs:77:56
[INFO] [stdout]    |
[INFO] [stdout] 77 |     Box::new(run_success(listener, handle, c1)) as Box<Future<Item = Incoming, Error = ()>>
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Incoming, Error = ()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/check/mod.rs:79:64
[INFO] [stdout]    |
[INFO] [stdout] 79 |     Box::new(run_request_failure(listener, handle, c1)) as Box<Future<Item = Incoming, Error = ()>>
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Incoming, Error = ()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/check/mod.rs:79:64
[INFO] [stdout]    |
[INFO] [stdout] 79 |     Box::new(run_request_failure(listener, handle, c1)) as Box<Future<Item = Incoming, Error = ()>>
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Incoming, Error = ()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/check/mod.rs:81:65
[INFO] [stdout]    |
[INFO] [stdout] 81 |     Box::new(run_response_failure(listener, handle, c1)) as Box<Future<Item = Incoming, Error = ()>>
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Incoming, Error = ()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/check/mod.rs:81:65
[INFO] [stdout]    |
[INFO] [stdout] 81 |     Box::new(run_response_failure(listener, handle, c1)) as Box<Future<Item = Incoming, Error = ()>>
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Incoming, Error = ()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/check/mod.rs:114:66
[INFO] [stdout]     |
[INFO] [stdout] 114 |       |(listener, handle):(Incoming, Handle) , check: &Arc<Mutex<Check>>| {
[INFO] [stdout]     |                                                                  ^^^^^ help: use `dyn`: `dyn Check`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/check/mod.rs:114:66
[INFO] [stdout]     |
[INFO] [stdout] 114 |       |(listener, handle):(Incoming, Handle) , check: &Arc<Mutex<Check>>| {
[INFO] [stdout]     |                                                                  ^^^^^ help: use `dyn`: `dyn Check`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/check/mod.rs:198:70
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub fn run_success(listener: Incoming, handle: Handle, c1: Arc<Mutex<Check>>) -> impl Future<Item = Incoming, Error = ()> {
[INFO] [stdout]     |                                                                      ^^^^^ help: use `dyn`: `dyn Check`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/check/mod.rs:198:70
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub fn run_success(listener: Incoming, handle: Handle, c1: Arc<Mutex<Check>>) -> impl Future<Item = Incoming, Error = ()> {
[INFO] [stdout]     |                                                                      ^^^^^ help: use `dyn`: `dyn Check`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/check/mod.rs:289:78
[INFO] [stdout]     |
[INFO] [stdout] 289 | pub fn run_request_failure(listener: Incoming, handle: Handle, c1: Arc<Mutex<Check>>) -> impl Future<Item = Incoming, Error = ()> {
[INFO] [stdout]     |                                                                              ^^^^^ help: use `dyn`: `dyn Check`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/check/mod.rs:289:78
[INFO] [stdout]     |
[INFO] [stdout] 289 | pub fn run_request_failure(listener: Incoming, handle: Handle, c1: Arc<Mutex<Check>>) -> impl Future<Item = Incoming, Error = ()> {
[INFO] [stdout]     |                                                                              ^^^^^ help: use `dyn`: `dyn Check`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/check/mod.rs:334:79
[INFO] [stdout]     |
[INFO] [stdout] 334 | pub fn run_response_failure(listener: Incoming, handle: Handle, c1: Arc<Mutex<Check>>) -> impl Future<Item = Incoming, Error = ()> {
[INFO] [stdout]     |                                                                               ^^^^^ help: use `dyn`: `dyn Check`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/check/mod.rs:334:79
[INFO] [stdout]     |
[INFO] [stdout] 334 | pub fn run_response_failure(listener: Incoming, handle: Handle, c1: Arc<Mutex<Check>>) -> impl Future<Item = Incoming, Error = ()> {
[INFO] [stdout]     |                                                                               ^^^^^ help: use `dyn`: `dyn Check`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/check/mod.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let mut checker = c2.lock().unwrap();
[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/check/mod.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |     let mut checker = c3.lock().unwrap();
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/check/mod.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let mut checker = c2.lock().unwrap();
[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/check/mod.rs:311:19
[INFO] [stdout]     |
[INFO] [stdout] 311 |               let mut buf = vec![42u8; 10];
[INFO] [stdout]     |                   ----^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/check/mod.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |     let mut checker = c1.lock().unwrap();
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/check/mod.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |     let mut checker = c3.lock().unwrap();
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/check/mod.rs:311:19
[INFO] [stdout]     |
[INFO] [stdout] 311 |               let mut buf = vec![42u8; 10];
[INFO] [stdout]     |                   ----^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/check/mod.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |     let mut checker = c1.lock().unwrap();
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/check/mod.rs:373:13
[INFO] [stdout]     |
[INFO] [stdout] 373 |         let mut checker = c2.lock().unwrap();
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/check/mod.rs:383:17
[INFO] [stdout]     |
[INFO] [stdout] 383 |             let mut buf = vec![42u8; 10];
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/check/mod.rs:418:17
[INFO] [stdout]     |
[INFO] [stdout] 418 |             let mut buf = vec![42u8; 10];
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/check/mod.rs:405:9
[INFO] [stdout]     |
[INFO] [stdout] 405 |     let mut checker = c3.lock().unwrap();
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::IntoFuture`
[INFO] [stdout]   --> src/check/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use futures::IntoFuture;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/check/mod.rs:203:15
[INFO] [stdout]     |
[INFO] [stdout] 203 |     let (tcp, addr) = opt_stream.expect("could not accept listener");
[INFO] [stdout]     |               ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tcp`
[INFO] [stdout]    --> src/check/mod.rs:310:17
[INFO] [stdout]     |
[INFO] [stdout] 310 |             Ok((tcp, sl)) => {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_tcp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/check/mod.rs:349:15
[INFO] [stdout]     |
[INFO] [stdout] 349 |     let (tcp, addr) = opt_stream.expect("could not accept listener");
[INFO] [stdout]     |               ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h1`
[INFO] [stdout]    --> src/check/mod.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let h1 = core.handle();
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_h1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h2`
[INFO] [stdout]    --> src/check/mod.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let h2 = core.handle();
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_h2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h3`
[INFO] [stdout]    --> src/check/mod.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let h3 = core.handle();
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_h3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/check/mod.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let a: (Incoming, Handle) = core.run(f).unwrap();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/check/request_failure.rs:28:27
[INFO] [stdout]    |
[INFO] [stdout] 28 |   fn check_request(&self, req: &httparse::Request) -> Result<(), String> {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/check/request_failure.rs:40:28
[INFO] [stdout]    |
[INFO] [stdout] 40 |   fn check_response(&self, res: &httparse::Response) -> Result<(), String> {
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/check/response_failure.rs:72:28
[INFO] [stdout]    |
[INFO] [stdout] 72 |   fn check_response(&self, res: &httparse::Response) -> Result<(), String> {
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 |   let mut r = Runner::new();
[INFO] [stdout]    |       ----^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/check/mod.rs:373:13
[INFO] [stdout]     |
[INFO] [stdout] 373 |         let mut checker = c2.lock().unwrap();
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/check/mod.rs:383:17
[INFO] [stdout]     |
[INFO] [stdout] 383 |             let mut buf = vec![42u8; 10];
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/check/mod.rs:418:17
[INFO] [stdout]     |
[INFO] [stdout] 418 |             let mut buf = vec![42u8; 10];
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/check/mod.rs:405:9
[INFO] [stdout]     |
[INFO] [stdout] 405 |     let mut checker = c3.lock().unwrap();
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Raw`
[INFO] [stdout]  --> src/data.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 |   Raw(Vec<u8>),
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Req1`
[INFO] [stdout]  --> src/data.rs:4:3
[INFO] [stdout]   |
[INFO] [stdout] 4 |   Req1(Req1),
[INFO] [stdout]   |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]   --> src/data.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |   pub fn serialize(&self) -> Vec<u8> {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Raw`
[INFO] [stdout]   --> src/data.rs:54:3
[INFO] [stdout]    |
[INFO] [stdout] 54 |   Raw(Vec<u8>),
[INFO] [stdout]    |   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Res1`
[INFO] [stdout]   --> src/data.rs:55:3
[INFO] [stdout]    |
[INFO] [stdout] 55 |   Res1(Res1),
[INFO] [stdout]    |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]   --> src/data.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 |   pub fn serialize(&self) -> Vec<u8> {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `CheckType`
[INFO] [stdout]   --> src/check/mod.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub enum CheckType {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create`
[INFO] [stdout]   --> src/check/mod.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn create() -> Arc<Mutex<Check>> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_all_checks`
[INFO] [stdout]   --> src/check/mod.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn run_all_checks() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `tokio_core::net::Incoming` that must be used
[INFO] [stdout]   --> src/check/mod.rs:63:3
[INFO] [stdout]    |
[INFO] [stdout] 63 | /   core.run(run_success(listener.incoming(), h1, c1).and_then(|listener| {
[INFO] [stdout] 64 | |     run_request_failure(listener, h2, c2)
[INFO] [stdout] 65 | |   }).and_then(|listener| {
[INFO] [stdout] 66 | |     run_response_failure(listener, h3, c3)
[INFO] [stdout] 67 | |   })).unwrap();
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/check/mod.rs:245:5
[INFO] [stdout]     |
[INFO] [stdout] 245 |     tcp.set_keepalive(Some(Duration::from_millis(1)));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/check/mod.rs:300:5
[INFO] [stdout]     |
[INFO] [stdout] 300 |     tcp.set_keepalive(Some(Duration::from_millis(1)));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/check/mod.rs:410:5
[INFO] [stdout]     |
[INFO] [stdout] 410 |     tcp.set_keepalive(Some(Duration::from_millis(1)));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::IntoFuture`
[INFO] [stdout]   --> src/check/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use futures::IntoFuture;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/check/mod.rs:203:15
[INFO] [stdout]     |
[INFO] [stdout] 203 |     let (tcp, addr) = opt_stream.expect("could not accept listener");
[INFO] [stdout]     |               ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tcp`
[INFO] [stdout]    --> src/check/mod.rs:310:17
[INFO] [stdout]     |
[INFO] [stdout] 310 |             Ok((tcp, sl)) => {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_tcp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/check/mod.rs:349:15
[INFO] [stdout]     |
[INFO] [stdout] 349 |     let (tcp, addr) = opt_stream.expect("could not accept listener");
[INFO] [stdout]     |               ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h1`
[INFO] [stdout]    --> src/check/mod.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let h1 = core.handle();
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_h1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h2`
[INFO] [stdout]    --> src/check/mod.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let h2 = core.handle();
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_h2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h3`
[INFO] [stdout]    --> src/check/mod.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let h3 = core.handle();
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_h3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/check/mod.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let a: (Incoming, Handle) = core.run(f).unwrap();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/check/request_failure.rs:28:27
[INFO] [stdout]    |
[INFO] [stdout] 28 |   fn check_request(&self, req: &httparse::Request) -> Result<(), String> {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/check/request_failure.rs:40:28
[INFO] [stdout]    |
[INFO] [stdout] 40 |   fn check_response(&self, res: &httparse::Response) -> Result<(), String> {
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/check/response_failure.rs:72:28
[INFO] [stdout]    |
[INFO] [stdout] 72 |   fn check_response(&self, res: &httparse::Response) -> Result<(), String> {
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 |   let mut r = Runner::new();
[INFO] [stdout]    |       ----^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 50 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Raw`
[INFO] [stdout]  --> src/data.rs:3:3
[INFO] [stdout]   |
[INFO] [stdout] 3 |   Raw(Vec<u8>),
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Req1`
[INFO] [stdout]  --> src/data.rs:4:3
[INFO] [stdout]   |
[INFO] [stdout] 4 |   Req1(Req1),
[INFO] [stdout]   |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]   --> src/data.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |   pub fn serialize(&self) -> Vec<u8> {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Raw`
[INFO] [stdout]   --> src/data.rs:54:3
[INFO] [stdout]    |
[INFO] [stdout] 54 |   Raw(Vec<u8>),
[INFO] [stdout]    |   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Res1`
[INFO] [stdout]   --> src/data.rs:55:3
[INFO] [stdout]    |
[INFO] [stdout] 55 |   Res1(Res1),
[INFO] [stdout]    |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `serialize`
[INFO] [stdout]   --> src/data.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 |   pub fn serialize(&self) -> Vec<u8> {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `CheckType`
[INFO] [stdout]   --> src/check/mod.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub enum CheckType {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create`
[INFO] [stdout]   --> src/check/mod.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn create() -> Arc<Mutex<Check>> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_all_checks`
[INFO] [stdout]   --> src/check/mod.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn run_all_checks() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `tokio_core::net::Incoming` that must be used
[INFO] [stdout]   --> src/check/mod.rs:63:3
[INFO] [stdout]    |
[INFO] [stdout] 63 | /   core.run(run_success(listener.incoming(), h1, c1).and_then(|listener| {
[INFO] [stdout] 64 | |     run_request_failure(listener, h2, c2)
[INFO] [stdout] 65 | |   }).and_then(|listener| {
[INFO] [stdout] 66 | |     run_response_failure(listener, h3, c3)
[INFO] [stdout] 67 | |   })).unwrap();
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/check/mod.rs:245:5
[INFO] [stdout]     |
[INFO] [stdout] 245 |     tcp.set_keepalive(Some(Duration::from_millis(1)));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/check/mod.rs:300:5
[INFO] [stdout]     |
[INFO] [stdout] 300 |     tcp.set_keepalive(Some(Duration::from_millis(1)));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/check/mod.rs:410:5
[INFO] [stdout]     |
[INFO] [stdout] 410 |     tcp.set_keepalive(Some(Duration::from_millis(1)));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 50 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.67s
[INFO] running `Command { std: "docker" "inspect" "4b3bb5158a2f33e69843b6c3f68e1583ee7c46c4f738465f589503048043214c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3bb5158a2f33e69843b6c3f68e1583ee7c46c4f738465f589503048043214c", kill_on_drop: false }`
[INFO] [stdout] 4b3bb5158a2f33e69843b6c3f68e1583ee7c46c4f738465f589503048043214c