Dec 13 02:31:26.016 INFO testing sozu-proxy/proxy-test-suite against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 02:31:26.016 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 02:31:26.767 INFO [stdout] 213d3b75bc8fca5095482c584340971f77ad232ea7dcdada5cb95f585d1bfa7e
Dec 13 02:31:26.769 INFO running `"docker" "start" "-a" "213d3b75bc8fca5095482c584340971f77ad232ea7dcdada5cb95f585d1bfa7e"`
Dec 13 02:31:28.167 INFO [stderr] usermod: no changes
Dec 13 02:31:28.283 INFO [stderr]    Compiling memchr v1.0.2
Dec 13 02:31:28.283 INFO [stderr]    Compiling tokio-core v0.1.12
Dec 13 02:31:28.951 INFO [stderr]    Compiling nom v3.2.1
Dec 13 02:31:35.483 INFO [stderr]    Compiling proxy-test-suite v0.1.0 (/source)
Dec 13 02:31:36.095 INFO [stderr] warning: unused import: `data::*`
Dec 13 02:31:36.095 INFO [stderr]  --> src/check/mod.rs:1:5
Dec 13 02:31:36.095 INFO [stderr]   |
Dec 13 02:31:36.095 INFO [stderr] 1 | use data::*;
Dec 13 02:31:36.095 INFO [stderr]   |     ^^^^^^^
Dec 13 02:31:36.095 INFO [stderr]   |
Dec 13 02:31:36.095 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 02:31:36.095 INFO [stderr] 
Dec 13 02:31:36.095 INFO [stderr] warning: unused import: `HashSet`
Dec 13 02:31:36.095 INFO [stderr]  --> src/check/mod.rs:3:32
Dec 13 02:31:36.095 INFO [stderr]   |
Dec 13 02:31:36.095 INFO [stderr] 3 | use std::collections::{HashMap,HashSet};
Dec 13 02:31:36.095 INFO [stderr]   |                                ^^^^^^^
Dec 13 02:31:36.095 INFO [stderr] 
Dec 13 02:31:36.095 INFO [stderr] warning: unused imports: `BufReader`, `ErrorKind`, `Read`, `Write`
Dec 13 02:31:36.095 INFO [stderr]  --> src/check/mod.rs:5:15
Dec 13 02:31:36.095 INFO [stderr]   |
Dec 13 02:31:36.095 INFO [stderr] 5 | use std::io::{Read, Write, ErrorKind,BufReader};
Dec 13 02:31:36.095 INFO [stderr]   |               ^^^^  ^^^^^  ^^^^^^^^^ ^^^^^^^^^
Dec 13 02:31:36.095 INFO [stderr] 
Dec 13 02:31:36.414 INFO [stderr] warning: unused import: `futures::IntoFuture`
Dec 13 02:31:36.414 INFO [stderr]   --> src/check/mod.rs:12:5
Dec 13 02:31:36.414 INFO [stderr]    |
Dec 13 02:31:36.414 INFO [stderr] 12 | use futures::IntoFuture;
Dec 13 02:31:36.414 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 13 02:31:36.414 INFO [stderr] 
Dec 13 02:31:36.433 INFO [stderr] warning: unused variable: `addr`
Dec 13 02:31:36.433 INFO [stderr]    --> src/check/mod.rs:203:15
Dec 13 02:31:36.433 INFO [stderr]     |
Dec 13 02:31:36.433 INFO [stderr] 203 |     let (tcp, addr) = opt_stream.expect("could not accept listener");
Dec 13 02:31:36.433 INFO [stderr]     |               ^^^^ help: consider using `_addr` instead
Dec 13 02:31:36.433 INFO [stderr]     |
Dec 13 02:31:36.434 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 13 02:31:36.434 INFO [stderr] 
Dec 13 02:31:36.434 INFO [stderr] warning: unused variable: `tcp`
Dec 13 02:31:36.434 INFO [stderr]    --> src/check/mod.rs:310:17
Dec 13 02:31:36.434 INFO [stderr]     |
Dec 13 02:31:36.434 INFO [stderr] 310 |             Ok((tcp, sl)) => {
Dec 13 02:31:36.434 INFO [stderr]     |                 ^^^ help: consider using `_tcp` instead
Dec 13 02:31:36.434 INFO [stderr] 
Dec 13 02:31:36.434 INFO [stderr] warning: unused variable: `addr`
Dec 13 02:31:36.434 INFO [stderr]    --> src/check/mod.rs:349:15
Dec 13 02:31:36.434 INFO [stderr]     |
Dec 13 02:31:36.434 INFO [stderr] 349 |     let (tcp, addr) = opt_stream.expect("could not accept listener");
Dec 13 02:31:36.434 INFO [stderr]     |               ^^^^ help: consider using `_addr` instead
Dec 13 02:31:36.434 INFO [stderr] 
Dec 13 02:31:36.434 INFO [stderr] warning: unused variable: `req`
Dec 13 02:31:36.434 INFO [stderr]   --> src/check/request_failure.rs:28:27
Dec 13 02:31:36.434 INFO [stderr]    |
Dec 13 02:31:36.434 INFO [stderr] 28 |   fn check_request(&self, req: &httparse::Request) -> Result<(), String> {
Dec 13 02:31:36.434 INFO [stderr]    |                           ^^^ help: consider using `_req` instead
Dec 13 02:31:36.434 INFO [stderr] 
Dec 13 02:31:36.434 INFO [stderr] warning: unused variable: `res`
Dec 13 02:31:36.434 INFO [stderr]   --> src/check/request_failure.rs:40:28
Dec 13 02:31:36.434 INFO [stderr]    |
Dec 13 02:31:36.434 INFO [stderr] 40 |   fn check_response(&self, res: &httparse::Response) -> Result<(), String> {
Dec 13 02:31:36.434 INFO [stderr]    |                            ^^^ help: consider using `_res` instead
Dec 13 02:31:36.434 INFO [stderr] 
Dec 13 02:31:36.434 INFO [stderr] warning: unused variable: `res`
Dec 13 02:31:36.434 INFO [stderr]   --> src/check/response_failure.rs:72:28
Dec 13 02:31:36.434 INFO [stderr]    |
Dec 13 02:31:36.434 INFO [stderr] 72 |   fn check_response(&self, res: &httparse::Response) -> Result<(), String> {
Dec 13 02:31:36.434 INFO [stderr]    |                            ^^^ help: consider using `_res` instead
Dec 13 02:31:36.434 INFO [stderr] 
Dec 13 02:31:36.434 INFO [stderr] warning: unused variable: `h1`
Dec 13 02:31:36.434 INFO [stderr]    --> src/check/mod.rs:102:9
Dec 13 02:31:36.434 INFO [stderr]     |
Dec 13 02:31:36.434 INFO [stderr] 102 |     let h1 = core.handle();
Dec 13 02:31:36.434 INFO [stderr]     |         ^^ help: consider using `_h1` instead
Dec 13 02:31:36.434 INFO [stderr] 
Dec 13 02:31:36.435 INFO [stderr] warning: unused variable: `h2`
Dec 13 02:31:36.435 INFO [stderr]    --> src/check/mod.rs:103:9
Dec 13 02:31:36.435 INFO [stderr]     |
Dec 13 02:31:36.435 INFO [stderr] 103 |     let h2 = core.handle();
Dec 13 02:31:36.435 INFO [stderr]     |         ^^ help: consider using `_h2` instead
Dec 13 02:31:36.435 INFO [stderr] 
Dec 13 02:31:36.435 INFO [stderr] warning: unused variable: `h3`
Dec 13 02:31:36.435 INFO [stderr]    --> src/check/mod.rs:104:9
Dec 13 02:31:36.435 INFO [stderr]     |
Dec 13 02:31:36.435 INFO [stderr] 104 |     let h3 = core.handle();
Dec 13 02:31:36.435 INFO [stderr]     |         ^^ help: consider using `_h3` instead
Dec 13 02:31:36.435 INFO [stderr] 
Dec 13 02:31:36.435 INFO [stderr] warning: unused variable: `a`
Dec 13 02:31:36.435 INFO [stderr]    --> src/check/mod.rs:123:9
Dec 13 02:31:36.435 INFO [stderr]     |
Dec 13 02:31:36.435 INFO [stderr] 123 |     let a: (Incoming, Handle) = core.run(f).unwrap();
Dec 13 02:31:36.435 INFO [stderr]     |         ^ help: consider using `_a` instead
Dec 13 02:31:36.435 INFO [stderr] 
Dec 13 02:31:36.435 INFO [stderr] warning: variable does not need to be mutable
Dec 13 02:31:36.435 INFO [stderr]   --> src/main.rs:16:7
Dec 13 02:31:36.435 INFO [stderr]    |
Dec 13 02:31:36.435 INFO [stderr] 16 |   let mut r = Runner::new();
Dec 13 02:31:36.435 INFO [stderr]    |       ----^
Dec 13 02:31:36.435 INFO [stderr]    |       |
Dec 13 02:31:36.435 INFO [stderr]    |       help: remove this `mut`
Dec 13 02:31:36.435 INFO [stderr]    |
Dec 13 02:31:36.435 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 02:31:36.435 INFO [stderr] 
Dec 13 02:31:36.655 INFO [stderr] warning: variant is never constructed: `Raw`
Dec 13 02:31:36.655 INFO [stderr]  --> src/data.rs:3:3
Dec 13 02:31:36.655 INFO [stderr]   |
Dec 13 02:31:36.655 INFO [stderr] 3 |   Raw(Vec<u8>),
Dec 13 02:31:36.655 INFO [stderr]   |   ^^^^^^^^^^^^
Dec 13 02:31:36.655 INFO [stderr]   |
Dec 13 02:31:36.655 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 02:31:36.655 INFO [stderr] 
Dec 13 02:31:36.655 INFO [stderr] warning: variant is never constructed: `Req1`
Dec 13 02:31:36.655 INFO [stderr]  --> src/data.rs:4:3
Dec 13 02:31:36.655 INFO [stderr]   |
Dec 13 02:31:36.655 INFO [stderr] 4 |   Req1(Req1),
Dec 13 02:31:36.655 INFO [stderr]   |   ^^^^^^^^^^
Dec 13 02:31:36.655 INFO [stderr] 
Dec 13 02:31:36.655 INFO [stderr] warning: method is never used: `serialize`
Dec 13 02:31:36.655 INFO [stderr]   --> src/data.rs:26:3
Dec 13 02:31:36.655 INFO [stderr]    |
Dec 13 02:31:36.655 INFO [stderr] 26 |   pub fn serialize(&self) -> Vec<u8> {
Dec 13 02:31:36.655 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:31:36.655 INFO [stderr] 
Dec 13 02:31:36.655 INFO [stderr] warning: variant is never constructed: `Raw`
Dec 13 02:31:36.655 INFO [stderr]   --> src/data.rs:54:3
Dec 13 02:31:36.655 INFO [stderr]    |
Dec 13 02:31:36.655 INFO [stderr] 54 |   Raw(Vec<u8>),
Dec 13 02:31:36.655 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 13 02:31:36.655 INFO [stderr] 
Dec 13 02:31:36.655 INFO [stderr] warning: variant is never constructed: `Res1`
Dec 13 02:31:36.655 INFO [stderr]   --> src/data.rs:55:3
Dec 13 02:31:36.655 INFO [stderr]    |
Dec 13 02:31:36.655 INFO [stderr] 55 |   Res1(Res1),
Dec 13 02:31:36.655 INFO [stderr]    |   ^^^^^^^^^^
Dec 13 02:31:36.655 INFO [stderr] 
Dec 13 02:31:36.655 INFO [stderr] warning: method is never used: `serialize`
Dec 13 02:31:36.655 INFO [stderr]   --> src/data.rs:66:3
Dec 13 02:31:36.655 INFO [stderr]    |
Dec 13 02:31:36.655 INFO [stderr] 66 |   pub fn serialize(&self) -> Vec<u8> {
Dec 13 02:31:36.655 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:31:36.655 INFO [stderr] 
Dec 13 02:31:36.655 INFO [stderr] warning: enum is never used: `CheckType`
Dec 13 02:31:36.655 INFO [stderr]   --> src/check/mod.rs:29:1
Dec 13 02:31:36.655 INFO [stderr]    |
Dec 13 02:31:36.655 INFO [stderr] 29 | pub enum CheckType {
Dec 13 02:31:36.655 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 13 02:31:36.655 INFO [stderr] 
Dec 13 02:31:36.655 INFO [stderr] warning: function is never used: `create`
Dec 13 02:31:36.655 INFO [stderr]   --> src/check/mod.rs:44:1
Dec 13 02:31:36.655 INFO [stderr]    |
Dec 13 02:31:36.655 INFO [stderr] 44 | pub fn create() -> Arc<Mutex<Check>> {
Dec 13 02:31:36.655 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:31:36.655 INFO [stderr] 
Dec 13 02:31:36.655 INFO [stderr] warning: function is never used: `run_all_checks`
Dec 13 02:31:36.656 INFO [stderr]   --> src/check/mod.rs:48:1
Dec 13 02:31:36.656 INFO [stderr]    |
Dec 13 02:31:36.656 INFO [stderr] 48 | pub fn run_all_checks() {
Dec 13 02:31:36.656 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:31:36.656 INFO [stderr] 
Dec 13 02:31:36.656 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 13 02:31:36.656 INFO [stderr]  --> src/main.rs:1:12
Dec 13 02:31:36.656 INFO [stderr]   |
Dec 13 02:31:36.656 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 13 02:31:36.656 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:31:36.656 INFO [stderr]   |
Dec 13 02:31:36.656 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 13 02:31:36.656 INFO [stderr] 
Dec 13 02:31:36.658 INFO [stderr] warning: unused `tokio_core::net::Incoming` that must be used
Dec 13 02:31:36.658 INFO [stderr]   --> src/check/mod.rs:63:3
Dec 13 02:31:36.658 INFO [stderr]    |
Dec 13 02:31:36.658 INFO [stderr] 63 | /   core.run(run_success(listener.incoming(), h1, c1).and_then(|listener| {
Dec 13 02:31:36.658 INFO [stderr] 64 | |     run_request_failure(listener, h2, c2)
Dec 13 02:31:36.658 INFO [stderr] 65 | |   }).and_then(|listener| {
Dec 13 02:31:36.658 INFO [stderr] 66 | |     run_response_failure(listener, h3, c3)
Dec 13 02:31:36.658 INFO [stderr] 67 | |   })).unwrap();
Dec 13 02:31:36.658 INFO [stderr]    | |_______________^
Dec 13 02:31:36.658 INFO [stderr]    |
Dec 13 02:31:36.658 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 02:31:36.658 INFO [stderr]    = note: streams do nothing unless polled
Dec 13 02:31:36.658 INFO [stderr] 
Dec 13 02:31:36.658 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 02:31:36.658 INFO [stderr]    --> src/check/mod.rs:245:5
Dec 13 02:31:36.658 INFO [stderr]     |
Dec 13 02:31:36.658 INFO [stderr] 245 |     tcp.set_keepalive(Some(Duration::from_millis(1)));
Dec 13 02:31:36.658 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:31:36.658 INFO [stderr]     |
Dec 13 02:31:36.658 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 02:31:36.658 INFO [stderr] 
Dec 13 02:31:36.659 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 02:31:36.659 INFO [stderr]    --> src/check/mod.rs:300:5
Dec 13 02:31:36.659 INFO [stderr]     |
Dec 13 02:31:36.659 INFO [stderr] 300 |     tcp.set_keepalive(Some(Duration::from_millis(1)));
Dec 13 02:31:36.659 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:31:36.659 INFO [stderr]     |
Dec 13 02:31:36.659 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 02:31:36.659 INFO [stderr] 
Dec 13 02:31:36.659 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 02:31:36.659 INFO [stderr]    --> src/check/mod.rs:410:5
Dec 13 02:31:36.659 INFO [stderr]     |
Dec 13 02:31:36.659 INFO [stderr] 410 |     tcp.set_keepalive(Some(Duration::from_millis(1)));
Dec 13 02:31:36.659 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:31:36.659 INFO [stderr]     |
Dec 13 02:31:36.659 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 02:31:36.659 INFO [stderr] 
Dec 13 02:31:39.691 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.48s
Dec 13 02:31:39.695 INFO [stderr] su: No module specific data is present
Dec 13 02:31:40.992 INFO running `"docker" "inspect" "213d3b75bc8fca5095482c584340971f77ad232ea7dcdada5cb95f585d1bfa7e"`
Dec 13 02:31:41.228 INFO running `"docker" "rm" "-f" "213d3b75bc8fca5095482c584340971f77ad232ea7dcdada5cb95f585d1bfa7e"`
Dec 13 02:31:41.583 INFO [stdout] 213d3b75bc8fca5095482c584340971f77ad232ea7dcdada5cb95f585d1bfa7e
Dec 13 02:31:41.671 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 02:31:42.207 INFO [stdout] 5ac72a7de12de1724c3b9c93e1fef23c8268ce38c1ccf7dad67867fd77db2b8d
Dec 13 02:31:42.207 INFO running `"docker" "start" "-a" "5ac72a7de12de1724c3b9c93e1fef23c8268ce38c1ccf7dad67867fd77db2b8d"`
Dec 13 02:31:43.430 INFO [stderr] usermod: no changes
Dec 13 02:31:43.515 INFO [stderr]    Compiling proxy-test-suite v0.1.0 (/source)
Dec 13 02:31:43.911 INFO [stderr] warning: unused import: `data::*`
Dec 13 02:31:43.911 INFO [stderr]  --> src/check/mod.rs:1:5
Dec 13 02:31:43.911 INFO [stderr]   |
Dec 13 02:31:43.911 INFO [stderr] 1 | use data::*;
Dec 13 02:31:43.911 INFO [stderr]   |     ^^^^^^^
Dec 13 02:31:43.911 INFO [stderr]   |
Dec 13 02:31:43.911 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 02:31:43.911 INFO [stderr] 
Dec 13 02:31:43.911 INFO [stderr] warning: unused import: `HashSet`
Dec 13 02:31:43.911 INFO [stderr]  --> src/check/mod.rs:3:32
Dec 13 02:31:43.911 INFO [stderr]   |
Dec 13 02:31:43.911 INFO [stderr] 3 | use std::collections::{HashMap,HashSet};
Dec 13 02:31:43.911 INFO [stderr]   |                                ^^^^^^^
Dec 13 02:31:43.911 INFO [stderr] 
Dec 13 02:31:43.911 INFO [stderr] warning: unused imports: `BufReader`, `ErrorKind`, `Read`, `Write`
Dec 13 02:31:43.911 INFO [stderr]  --> src/check/mod.rs:5:15
Dec 13 02:31:43.911 INFO [stderr]   |
Dec 13 02:31:43.911 INFO [stderr] 5 | use std::io::{Read, Write, ErrorKind,BufReader};
Dec 13 02:31:43.911 INFO [stderr]   |               ^^^^  ^^^^^  ^^^^^^^^^ ^^^^^^^^^
Dec 13 02:31:43.911 INFO [stderr] 
Dec 13 02:31:44.191 INFO [stderr] warning: unused import: `futures::IntoFuture`
Dec 13 02:31:44.191 INFO [stderr]   --> src/check/mod.rs:12:5
Dec 13 02:31:44.191 INFO [stderr]    |
Dec 13 02:31:44.191 INFO [stderr] 12 | use futures::IntoFuture;
Dec 13 02:31:44.191 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 13 02:31:44.191 INFO [stderr] 
Dec 13 02:31:44.204 INFO [stderr] warning: unused variable: `addr`
Dec 13 02:31:44.204 INFO [stderr]    --> src/check/mod.rs:203:15
Dec 13 02:31:44.204 INFO [stderr]     |
Dec 13 02:31:44.204 INFO [stderr] 203 |     let (tcp, addr) = opt_stream.expect("could not accept listener");
Dec 13 02:31:44.204 INFO [stderr]     |               ^^^^ help: consider using `_addr` instead
Dec 13 02:31:44.204 INFO [stderr]     |
Dec 13 02:31:44.204 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 13 02:31:44.204 INFO [stderr] 
Dec 13 02:31:44.204 INFO [stderr] warning: unused variable: `tcp`
Dec 13 02:31:44.204 INFO [stderr]    --> src/check/mod.rs:310:17
Dec 13 02:31:44.204 INFO [stderr]     |
Dec 13 02:31:44.204 INFO [stderr] 310 |             Ok((tcp, sl)) => {
Dec 13 02:31:44.204 INFO [stderr]     |                 ^^^ help: consider using `_tcp` instead
Dec 13 02:31:44.204 INFO [stderr] 
Dec 13 02:31:44.204 INFO [stderr] warning: unused variable: `addr`
Dec 13 02:31:44.204 INFO [stderr]    --> src/check/mod.rs:349:15
Dec 13 02:31:44.204 INFO [stderr]     |
Dec 13 02:31:44.204 INFO [stderr] 349 |     let (tcp, addr) = opt_stream.expect("could not accept listener");
Dec 13 02:31:44.204 INFO [stderr]     |               ^^^^ help: consider using `_addr` instead
Dec 13 02:31:44.204 INFO [stderr] 
Dec 13 02:31:44.204 INFO [stderr] warning: unused variable: `req`
Dec 13 02:31:44.204 INFO [stderr]   --> src/check/request_failure.rs:28:27
Dec 13 02:31:44.204 INFO [stderr]    |
Dec 13 02:31:44.204 INFO [stderr] 28 |   fn check_request(&self, req: &httparse::Request) -> Result<(), String> {
Dec 13 02:31:44.204 INFO [stderr]    |                           ^^^ help: consider using `_req` instead
Dec 13 02:31:44.204 INFO [stderr] 
Dec 13 02:31:44.204 INFO [stderr] warning: unused variable: `res`
Dec 13 02:31:44.204 INFO [stderr]   --> src/check/request_failure.rs:40:28
Dec 13 02:31:44.204 INFO [stderr]    |
Dec 13 02:31:44.204 INFO [stderr] 40 |   fn check_response(&self, res: &httparse::Response) -> Result<(), String> {
Dec 13 02:31:44.204 INFO [stderr]    |                            ^^^ help: consider using `_res` instead
Dec 13 02:31:44.204 INFO [stderr] 
Dec 13 02:31:44.204 INFO [stderr] warning: unused variable: `res`
Dec 13 02:31:44.204 INFO [stderr]   --> src/check/response_failure.rs:72:28
Dec 13 02:31:44.205 INFO [stderr]    |
Dec 13 02:31:44.205 INFO [stderr] 72 |   fn check_response(&self, res: &httparse::Response) -> Result<(), String> {
Dec 13 02:31:44.205 INFO [stderr]    |                            ^^^ help: consider using `_res` instead
Dec 13 02:31:44.205 INFO [stderr] 
Dec 13 02:31:44.205 INFO [stderr] warning: unused variable: `h1`
Dec 13 02:31:44.205 INFO [stderr]    --> src/check/mod.rs:102:9
Dec 13 02:31:44.205 INFO [stderr]     |
Dec 13 02:31:44.205 INFO [stderr] 102 |     let h1 = core.handle();
Dec 13 02:31:44.205 INFO [stderr]     |         ^^ help: consider using `_h1` instead
Dec 13 02:31:44.205 INFO [stderr] 
Dec 13 02:31:44.205 INFO [stderr] warning: unused variable: `h2`
Dec 13 02:31:44.205 INFO [stderr]    --> src/check/mod.rs:103:9
Dec 13 02:31:44.205 INFO [stderr]     |
Dec 13 02:31:44.205 INFO [stderr] 103 |     let h2 = core.handle();
Dec 13 02:31:44.205 INFO [stderr]     |         ^^ help: consider using `_h2` instead
Dec 13 02:31:44.205 INFO [stderr] 
Dec 13 02:31:44.205 INFO [stderr] warning: unused variable: `h3`
Dec 13 02:31:44.205 INFO [stderr]    --> src/check/mod.rs:104:9
Dec 13 02:31:44.205 INFO [stderr]     |
Dec 13 02:31:44.205 INFO [stderr] 104 |     let h3 = core.handle();
Dec 13 02:31:44.205 INFO [stderr]     |         ^^ help: consider using `_h3` instead
Dec 13 02:31:44.205 INFO [stderr] 
Dec 13 02:31:44.205 INFO [stderr] warning: unused variable: `a`
Dec 13 02:31:44.205 INFO [stderr]    --> src/check/mod.rs:123:9
Dec 13 02:31:44.205 INFO [stderr]     |
Dec 13 02:31:44.205 INFO [stderr] 123 |     let a: (Incoming, Handle) = core.run(f).unwrap();
Dec 13 02:31:44.205 INFO [stderr]     |         ^ help: consider using `_a` instead
Dec 13 02:31:44.205 INFO [stderr] 
Dec 13 02:31:44.205 INFO [stderr] warning: variable does not need to be mutable
Dec 13 02:31:44.205 INFO [stderr]   --> src/main.rs:16:7
Dec 13 02:31:44.205 INFO [stderr]    |
Dec 13 02:31:44.205 INFO [stderr] 16 |   let mut r = Runner::new();
Dec 13 02:31:44.205 INFO [stderr]    |       ----^
Dec 13 02:31:44.205 INFO [stderr]    |       |
Dec 13 02:31:44.205 INFO [stderr]    |       help: remove this `mut`
Dec 13 02:31:44.205 INFO [stderr]    |
Dec 13 02:31:44.205 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 02:31:44.205 INFO [stderr] 
Dec 13 02:31:44.427 INFO [stderr] warning: variant is never constructed: `Raw`
Dec 13 02:31:44.427 INFO [stderr]  --> src/data.rs:3:3
Dec 13 02:31:44.427 INFO [stderr]   |
Dec 13 02:31:44.427 INFO [stderr] 3 |   Raw(Vec<u8>),
Dec 13 02:31:44.427 INFO [stderr]   |   ^^^^^^^^^^^^
Dec 13 02:31:44.427 INFO [stderr]   |
Dec 13 02:31:44.427 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 02:31:44.427 INFO [stderr] 
Dec 13 02:31:44.427 INFO [stderr] warning: variant is never constructed: `Req1`
Dec 13 02:31:44.427 INFO [stderr]  --> src/data.rs:4:3
Dec 13 02:31:44.427 INFO [stderr]   |
Dec 13 02:31:44.427 INFO [stderr] 4 |   Req1(Req1),
Dec 13 02:31:44.427 INFO [stderr]   |   ^^^^^^^^^^
Dec 13 02:31:44.427 INFO [stderr] 
Dec 13 02:31:44.427 INFO [stderr] warning: method is never used: `serialize`
Dec 13 02:31:44.427 INFO [stderr]   --> src/data.rs:26:3
Dec 13 02:31:44.427 INFO [stderr]    |
Dec 13 02:31:44.427 INFO [stderr] 26 |   pub fn serialize(&self) -> Vec<u8> {
Dec 13 02:31:44.427 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:31:44.427 INFO [stderr] 
Dec 13 02:31:44.427 INFO [stderr] warning: variant is never constructed: `Raw`
Dec 13 02:31:44.427 INFO [stderr]   --> src/data.rs:54:3
Dec 13 02:31:44.427 INFO [stderr]    |
Dec 13 02:31:44.427 INFO [stderr] 54 |   Raw(Vec<u8>),
Dec 13 02:31:44.427 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 13 02:31:44.427 INFO [stderr] 
Dec 13 02:31:44.427 INFO [stderr] warning: variant is never constructed: `Res1`
Dec 13 02:31:44.427 INFO [stderr]   --> src/data.rs:55:3
Dec 13 02:31:44.427 INFO [stderr]    |
Dec 13 02:31:44.427 INFO [stderr] 55 |   Res1(Res1),
Dec 13 02:31:44.427 INFO [stderr]    |   ^^^^^^^^^^
Dec 13 02:31:44.427 INFO [stderr] 
Dec 13 02:31:44.427 INFO [stderr] warning: method is never used: `serialize`
Dec 13 02:31:44.427 INFO [stderr]   --> src/data.rs:66:3
Dec 13 02:31:44.427 INFO [stderr]    |
Dec 13 02:31:44.427 INFO [stderr] 66 |   pub fn serialize(&self) -> Vec<u8> {
Dec 13 02:31:44.427 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:31:44.427 INFO [stderr] 
Dec 13 02:31:44.427 INFO [stderr] warning: enum is never used: `CheckType`
Dec 13 02:31:44.427 INFO [stderr]   --> src/check/mod.rs:29:1
Dec 13 02:31:44.427 INFO [stderr]    |
Dec 13 02:31:44.427 INFO [stderr] 29 | pub enum CheckType {
Dec 13 02:31:44.427 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 13 02:31:44.427 INFO [stderr] 
Dec 13 02:31:44.427 INFO [stderr] warning: function is never used: `create`
Dec 13 02:31:44.427 INFO [stderr]   --> src/check/mod.rs:44:1
Dec 13 02:31:44.427 INFO [stderr]    |
Dec 13 02:31:44.427 INFO [stderr] 44 | pub fn create() -> Arc<Mutex<Check>> {
Dec 13 02:31:44.427 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:31:44.427 INFO [stderr] 
Dec 13 02:31:44.427 INFO [stderr] warning: function is never used: `run_all_checks`
Dec 13 02:31:44.427 INFO [stderr]   --> src/check/mod.rs:48:1
Dec 13 02:31:44.427 INFO [stderr]    |
Dec 13 02:31:44.427 INFO [stderr] 48 | pub fn run_all_checks() {
Dec 13 02:31:44.427 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:31:44.427 INFO [stderr] 
Dec 13 02:31:44.427 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 13 02:31:44.427 INFO [stderr]  --> src/main.rs:1:12
Dec 13 02:31:44.427 INFO [stderr]   |
Dec 13 02:31:44.427 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 13 02:31:44.427 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:31:44.427 INFO [stderr]   |
Dec 13 02:31:44.427 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 13 02:31:44.427 INFO [stderr] 
Dec 13 02:31:44.428 INFO [stderr] warning: unused `tokio_core::net::Incoming` that must be used
Dec 13 02:31:44.428 INFO [stderr]   --> src/check/mod.rs:63:3
Dec 13 02:31:44.428 INFO [stderr]    |
Dec 13 02:31:44.428 INFO [stderr] 63 | /   core.run(run_success(listener.incoming(), h1, c1).and_then(|listener| {
Dec 13 02:31:44.428 INFO [stderr] 64 | |     run_request_failure(listener, h2, c2)
Dec 13 02:31:44.428 INFO [stderr] 65 | |   }).and_then(|listener| {
Dec 13 02:31:44.428 INFO [stderr] 66 | |     run_response_failure(listener, h3, c3)
Dec 13 02:31:44.428 INFO [stderr] 67 | |   })).unwrap();
Dec 13 02:31:44.428 INFO [stderr]    | |_______________^
Dec 13 02:31:44.428 INFO [stderr]    |
Dec 13 02:31:44.428 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 02:31:44.428 INFO [stderr]    = note: streams do nothing unless polled
Dec 13 02:31:44.428 INFO [stderr] 
Dec 13 02:31:44.428 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 02:31:44.428 INFO [stderr]    --> src/check/mod.rs:245:5
Dec 13 02:31:44.428 INFO [stderr]     |
Dec 13 02:31:44.428 INFO [stderr] 245 |     tcp.set_keepalive(Some(Duration::from_millis(1)));
Dec 13 02:31:44.428 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:31:44.428 INFO [stderr]     |
Dec 13 02:31:44.428 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 02:31:44.428 INFO [stderr] 
Dec 13 02:31:44.428 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 02:31:44.428 INFO [stderr]    --> src/check/mod.rs:300:5
Dec 13 02:31:44.428 INFO [stderr]     |
Dec 13 02:31:44.428 INFO [stderr] 300 |     tcp.set_keepalive(Some(Duration::from_millis(1)));
Dec 13 02:31:44.428 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:31:44.428 INFO [stderr]     |
Dec 13 02:31:44.428 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 02:31:44.428 INFO [stderr] 
Dec 13 02:31:44.428 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 02:31:44.428 INFO [stderr]    --> src/check/mod.rs:410:5
Dec 13 02:31:44.428 INFO [stderr]     |
Dec 13 02:31:44.428 INFO [stderr] 410 |     tcp.set_keepalive(Some(Duration::from_millis(1)));
Dec 13 02:31:44.428 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:31:44.428 INFO [stderr]     |
Dec 13 02:31:44.428 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 02:31:44.428 INFO [stderr] 
Dec 13 02:31:44.850 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
Dec 13 02:31:44.850 INFO [stderr] su: No module specific data is present
Dec 13 02:31:45.644 INFO running `"docker" "inspect" "5ac72a7de12de1724c3b9c93e1fef23c8268ce38c1ccf7dad67867fd77db2b8d"`
Dec 13 02:31:46.005 INFO running `"docker" "rm" "-f" "5ac72a7de12de1724c3b9c93e1fef23c8268ce38c1ccf7dad67867fd77db2b8d"`
Dec 13 02:31:46.353 INFO [stdout] 5ac72a7de12de1724c3b9c93e1fef23c8268ce38c1ccf7dad67867fd77db2b8d
Dec 13 02:31:46.357 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 02:31:46.936 INFO [stdout] 89b5e1411f0cad7e86b0bab9c6752a13525995dda5731c26e147bc371a63d4b9
Dec 13 02:31:46.938 INFO running `"docker" "start" "-a" "89b5e1411f0cad7e86b0bab9c6752a13525995dda5731c26e147bc371a63d4b9"`
Dec 13 02:31:49.340 INFO [stderr] usermod: no changes
Dec 13 02:31:49.499 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
Dec 13 02:31:49.506 INFO [stderr]      Running /target/debug/deps/proxy_test_suite-d155e08cafab6862
Dec 13 02:31:49.507 INFO [stdout] 
Dec 13 02:31:49.507 INFO [stdout] running 0 tests
Dec 13 02:31:49.507 INFO [stdout] 
Dec 13 02:31:49.507 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 02:31:49.507 INFO [stdout] 
Dec 13 02:31:49.523 INFO [stderr] su: No module specific data is present
Dec 13 02:31:50.514 INFO running `"docker" "inspect" "89b5e1411f0cad7e86b0bab9c6752a13525995dda5731c26e147bc371a63d4b9"`
Dec 13 02:31:50.863 INFO running `"docker" "rm" "-f" "89b5e1411f0cad7e86b0bab9c6752a13525995dda5731c26e147bc371a63d4b9"`
Dec 13 02:31:51.155 INFO [stdout] 89b5e1411f0cad7e86b0bab9c6752a13525995dda5731c26e147bc371a63d4b9