[INFO] updating cached repository sozu-proxy/proxy-test-suite
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sozu-proxy/proxy-test-suite
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sozu-proxy/proxy-test-suite" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/sozu-proxy/proxy-test-suite"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/sozu-proxy/proxy-test-suite'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sozu-proxy/proxy-test-suite" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/sozu-proxy/proxy-test-suite"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/sozu-proxy/proxy-test-suite'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 430df91a37e89e8aa80434edbd3740962faabd62
[INFO] sha for GitHub repo sozu-proxy/proxy-test-suite: 430df91a37e89e8aa80434edbd3740962faabd62
[INFO] validating manifest of sozu-proxy/proxy-test-suite on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sozu-proxy/proxy-test-suite on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sozu-proxy/proxy-test-suite
[INFO] finished frobbing sozu-proxy/proxy-test-suite
[INFO] frobbed toml for sozu-proxy/proxy-test-suite written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/sozu-proxy/proxy-test-suite/Cargo.toml
[INFO] started frobbing sozu-proxy/proxy-test-suite
[INFO] finished frobbing sozu-proxy/proxy-test-suite
[INFO] frobbed toml for sozu-proxy/proxy-test-suite written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/sozu-proxy/proxy-test-suite/Cargo.toml
[INFO] crate sozu-proxy/proxy-test-suite already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sozu-proxy/proxy-test-suite against try#06a150c7d11500b41499224f165e9de1de096768 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-6/try#06a150c7d11500b41499224f165e9de1de096768:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/sozu-proxy/proxy-test-suite:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7e03661778e3bfc2a2e6a12ead78d7ef4b5be8f0213f801036a3c4ff8f4b0ebf
[INFO] running `"docker" "start" "-a" "7e03661778e3bfc2a2e6a12ead78d7ef4b5be8f0213f801036a3c4ff8f4b0ebf"`
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking proxy-test-suite v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `data::*`
[INFO] [stderr]  --> src/check/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use data::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/check/mod.rs:3:32
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::{HashMap,HashSet};
[INFO] [stderr]   |                                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufReader`, `ErrorKind`, `Read`, `Write`
[INFO] [stderr]  --> src/check/mod.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Read, Write, ErrorKind,BufReader};
[INFO] [stderr]   |               ^^^^  ^^^^^  ^^^^^^^^^ ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `data::*`
[INFO] [stderr]  --> src/check/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use data::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/check/mod.rs:3:32
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::{HashMap,HashSet};
[INFO] [stderr]   |                                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufReader`, `ErrorKind`, `Read`, `Write`
[INFO] [stderr]  --> src/check/mod.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Read, Write, ErrorKind,BufReader};
[INFO] [stderr]   |               ^^^^  ^^^^^  ^^^^^^^^^ ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::IntoFuture`
[INFO] [stderr]   --> src/check/mod.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use futures::IntoFuture;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::IntoFuture`
[INFO] [stderr]   --> src/check/mod.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use futures::IntoFuture;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]    --> src/check/mod.rs:203:15
[INFO] [stderr]     |
[INFO] [stderr] 203 |     let (tcp, addr) = opt_stream.expect("could not accept listener");
[INFO] [stderr]     |               ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tcp`
[INFO] [stderr]    --> src/check/mod.rs:310:17
[INFO] [stderr]     |
[INFO] [stderr] 310 |             Ok((tcp, sl)) => {
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_tcp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]    --> src/check/mod.rs:349:15
[INFO] [stderr]     |
[INFO] [stderr] 349 |     let (tcp, addr) = opt_stream.expect("could not accept listener");
[INFO] [stderr]     |               ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h1`
[INFO] [stderr]    --> src/check/mod.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let h1 = core.handle();
[INFO] [stderr]     |         ^^ help: consider prefixing with an underscore: `_h1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h2`
[INFO] [stderr]    --> src/check/mod.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let h2 = core.handle();
[INFO] [stderr]     |         ^^ help: consider prefixing with an underscore: `_h2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h3`
[INFO] [stderr]    --> src/check/mod.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |     let h3 = core.handle();
[INFO] [stderr]     |         ^^ help: consider prefixing with an underscore: `_h3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/check/mod.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |     let a: (Incoming, Handle) = core.run(f).unwrap();
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/check/request_failure.rs:28:27
[INFO] [stderr]    |
[INFO] [stderr] 28 |   fn check_request(&self, req: &httparse::Request) -> Result<(), String> {
[INFO] [stderr]    |                           ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/check/request_failure.rs:40:28
[INFO] [stderr]    |
[INFO] [stderr] 40 |   fn check_response(&self, res: &httparse::Response) -> Result<(), String> {
[INFO] [stderr]    |                            ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/check/response_failure.rs:72:28
[INFO] [stderr]    |
[INFO] [stderr] 72 |   fn check_response(&self, res: &httparse::Response) -> Result<(), String> {
[INFO] [stderr]    |                            ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 |   let mut r = Runner::new();
[INFO] [stderr]    |       ----^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]    --> src/check/mod.rs:203:15
[INFO] [stderr]     |
[INFO] [stderr] 203 |     let (tcp, addr) = opt_stream.expect("could not accept listener");
[INFO] [stderr]     |               ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tcp`
[INFO] [stderr]    --> src/check/mod.rs:310:17
[INFO] [stderr]     |
[INFO] [stderr] 310 |             Ok((tcp, sl)) => {
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_tcp`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]    --> src/check/mod.rs:349:15
[INFO] [stderr]     |
[INFO] [stderr] 349 |     let (tcp, addr) = opt_stream.expect("could not accept listener");
[INFO] [stderr]     |               ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h1`
[INFO] [stderr]    --> src/check/mod.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let h1 = core.handle();
[INFO] [stderr]     |         ^^ help: consider prefixing with an underscore: `_h1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h2`
[INFO] [stderr]    --> src/check/mod.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let h2 = core.handle();
[INFO] [stderr]     |         ^^ help: consider prefixing with an underscore: `_h2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h3`
[INFO] [stderr]    --> src/check/mod.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |     let h3 = core.handle();
[INFO] [stderr]     |         ^^ help: consider prefixing with an underscore: `_h3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/check/mod.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 123 |     let a: (Incoming, Handle) = core.run(f).unwrap();
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/check/request_failure.rs:28:27
[INFO] [stderr]    |
[INFO] [stderr] 28 |   fn check_request(&self, req: &httparse::Request) -> Result<(), String> {
[INFO] [stderr]    |                           ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/check/request_failure.rs:40:28
[INFO] [stderr]    |
[INFO] [stderr] 40 |   fn check_response(&self, res: &httparse::Response) -> Result<(), String> {
[INFO] [stderr]    |                            ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/check/response_failure.rs:72:28
[INFO] [stderr]    |
[INFO] [stderr] 72 |   fn check_response(&self, res: &httparse::Response) -> Result<(), String> {
[INFO] [stderr]    |                            ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 |   let mut r = Runner::new();
[INFO] [stderr]    |       ----^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Raw`
[INFO] [stderr]  --> src/data.rs:3:3
[INFO] [stderr]   |
[INFO] [stderr] 3 |   Raw(Vec<u8>),
[INFO] [stderr]   |   ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Req1`
[INFO] [stderr]  --> src/data.rs:4:3
[INFO] [stderr]   |
[INFO] [stderr] 4 |   Req1(Req1),
[INFO] [stderr]   |   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `serialize`
[INFO] [stderr]   --> src/data.rs:26:3
[INFO] [stderr]    |
[INFO] [stderr] 26 |   pub fn serialize(&self) -> Vec<u8> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Raw`
[INFO] [stderr]   --> src/data.rs:54:3
[INFO] [stderr]    |
[INFO] [stderr] 54 |   Raw(Vec<u8>),
[INFO] [stderr]    |   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Res1`
[INFO] [stderr]   --> src/data.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |   Res1(Res1),
[INFO] [stderr]    |   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `serialize`
[INFO] [stderr]   --> src/data.rs:66:3
[INFO] [stderr]    |
[INFO] [stderr] 66 |   pub fn serialize(&self) -> Vec<u8> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `CheckType`
[INFO] [stderr]   --> src/check/mod.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub enum CheckType {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create`
[INFO] [stderr]   --> src/check/mod.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub fn create() -> Arc<Mutex<Check>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_all_checks`
[INFO] [stderr]   --> src/check/mod.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub fn run_all_checks() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `tokio_core::net::Incoming` that must be used
[INFO] [stderr]   --> src/check/mod.rs:63:3
[INFO] [stderr]    |
[INFO] [stderr] 63 | /   core.run(run_success(listener.incoming(), h1, c1).and_then(|listener| {
[INFO] [stderr] 64 | |     run_request_failure(listener, h2, c2)
[INFO] [stderr] 65 | |   }).and_then(|listener| {
[INFO] [stderr] 66 | |     run_response_failure(listener, h3, c3)
[INFO] [stderr] 67 | |   })).unwrap();
[INFO] [stderr]    | |_______________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/check/mod.rs:245:5
[INFO] [stderr]     |
[INFO] [stderr] 245 |     tcp.set_keepalive(Some(Duration::from_millis(1)));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/check/mod.rs:300:5
[INFO] [stderr]     |
[INFO] [stderr] 300 |     tcp.set_keepalive(Some(Duration::from_millis(1)));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/check/mod.rs:410:5
[INFO] [stderr]     |
[INFO] [stderr] 410 |     tcp.set_keepalive(Some(Duration::from_millis(1)));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Raw`
[INFO] [stderr]  --> src/data.rs:3:3
[INFO] [stderr]   |
[INFO] [stderr] 3 |   Raw(Vec<u8>),
[INFO] [stderr]   |   ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Req1`
[INFO] [stderr]  --> src/data.rs:4:3
[INFO] [stderr]   |
[INFO] [stderr] 4 |   Req1(Req1),
[INFO] [stderr]   |   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `serialize`
[INFO] [stderr]   --> src/data.rs:26:3
[INFO] [stderr]    |
[INFO] [stderr] 26 |   pub fn serialize(&self) -> Vec<u8> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Raw`
[INFO] [stderr]   --> src/data.rs:54:3
[INFO] [stderr]    |
[INFO] [stderr] 54 |   Raw(Vec<u8>),
[INFO] [stderr]    |   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Res1`
[INFO] [stderr]   --> src/data.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |   Res1(Res1),
[INFO] [stderr]    |   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `serialize`
[INFO] [stderr]   --> src/data.rs:66:3
[INFO] [stderr]    |
[INFO] [stderr] 66 |   pub fn serialize(&self) -> Vec<u8> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `CheckType`
[INFO] [stderr]   --> src/check/mod.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub enum CheckType {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create`
[INFO] [stderr]   --> src/check/mod.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub fn create() -> Arc<Mutex<Check>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_all_checks`
[INFO] [stderr]   --> src/check/mod.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub fn run_all_checks() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `tokio_core::net::Incoming` that must be used
[INFO] [stderr]   --> src/check/mod.rs:63:3
[INFO] [stderr]    |
[INFO] [stderr] 63 | /   core.run(run_success(listener.incoming(), h1, c1).and_then(|listener| {
[INFO] [stderr] 64 | |     run_request_failure(listener, h2, c2)
[INFO] [stderr] 65 | |   }).and_then(|listener| {
[INFO] [stderr] 66 | |     run_response_failure(listener, h3, c3)
[INFO] [stderr] 67 | |   })).unwrap();
[INFO] [stderr]    | |_______________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: streams do nothing unless polled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/check/mod.rs:245:5
[INFO] [stderr]     |
[INFO] [stderr] 245 |     tcp.set_keepalive(Some(Duration::from_millis(1)));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/check/mod.rs:300:5
[INFO] [stderr]     |
[INFO] [stderr] 300 |     tcp.set_keepalive(Some(Duration::from_millis(1)));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/check/mod.rs:410:5
[INFO] [stderr]     |
[INFO] [stderr] 410 |     tcp.set_keepalive(Some(Duration::from_millis(1)));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.47s
[INFO] running `"docker" "inspect" "7e03661778e3bfc2a2e6a12ead78d7ef4b5be8f0213f801036a3c4ff8f4b0ebf"`
[INFO] running `"docker" "rm" "-f" "7e03661778e3bfc2a2e6a12ead78d7ef4b5be8f0213f801036a3c4ff8f4b0ebf"`
[INFO] [stdout] 7e03661778e3bfc2a2e6a12ead78d7ef4b5be8f0213f801036a3c4ff8f4b0ebf