Dec 04 06:04:51.869 INFO checking zklapow/duplex against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 06:04:51.869 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-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 04 06:04:52.345 INFO [stdout] 464f0bf05e8adff0029101ebea33494fba2266ec9e22aba25526ae6d732ef7c3
Dec 04 06:04:52.347 INFO running `"docker" "start" "-a" "464f0bf05e8adff0029101ebea33494fba2266ec9e22aba25526ae6d732ef7c3"`
Dec 04 06:04:54.311 INFO [stderr] usermod: no changes
Dec 04 06:04:54.483 INFO [stderr]     Checking futures v0.1.13
Dec 04 06:04:54.483 INFO [stderr]     Checking lazycell v0.4.0
Dec 04 06:04:54.483 INFO [stderr]     Checking utf8-ranges v0.1.3
Dec 04 06:04:54.491 INFO [stderr]     Checking regex-syntax v0.3.9
Dec 04 06:04:54.491 INFO [stderr]     Checking unicode-segmentation v1.1.0
Dec 04 06:04:54.497 INFO [stderr]     Checking vec_map v0.7.0
Dec 04 06:04:54.497 INFO [stderr]     Checking iovec v0.1.0
Dec 04 06:04:54.497 INFO [stderr]     Checking memchr v0.1.11
Dec 04 06:04:54.819 INFO [stderr]     Checking term_size v0.3.0
Dec 04 06:04:54.827 INFO [stderr]     Checking atty v0.2.2
Dec 04 06:04:55.119 INFO [stderr]     Checking num-integer v0.1.34
Dec 04 06:04:55.124 INFO [stderr]     Checking net2 v0.2.27
Dec 04 06:04:55.143 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 04 06:04:55.751 INFO [stderr]     Checking bytes v0.4.3
Dec 04 06:04:55.983 INFO [stderr]     Checking num-iter v0.1.33
Dec 04 06:04:56.158 INFO [stderr]     Checking thread-id v2.0.0
Dec 04 06:04:56.324 INFO [stderr]     Checking clap v2.23.3
Dec 04 06:04:56.333 INFO [stderr]     Checking thread_local v0.2.7
Dec 04 06:04:56.450 INFO [stderr]     Checking num v0.1.37
Dec 04 06:04:56.647 INFO [stderr]     Checking chrono v0.3.1
Dec 04 06:04:57.125 INFO [stderr]     Checking mio v0.6.7
Dec 04 06:04:58.675 INFO [stderr]     Checking regex v0.1.80
Dec 04 06:05:01.439 INFO [stderr]     Checking tokio-io v0.1.1
Dec 04 06:05:01.439 INFO [stderr]     Checking tokio-service v0.1.0
Dec 04 06:05:02.431 INFO [stderr]     Checking tokio-core v0.1.6
Dec 04 06:05:03.639 INFO [stderr]     Checking env_logger v0.3.5
Dec 04 06:05:05.159 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 04 06:05:08.703 INFO [stderr]     Checking duplex v0.1.0 (/source)
Dec 04 06:05:09.031 INFO [stderr] warning: unused import: `std::cell::RefCell`
Dec 04 06:05:09.031 INFO [stderr]  --> src/proxy.rs:4:5
Dec 04 06:05:09.031 INFO [stderr]   |
Dec 04 06:05:09.031 INFO [stderr] 4 | use std::cell::RefCell;
Dec 04 06:05:09.031 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 04 06:05:09.031 INFO [stderr]   |
Dec 04 06:05:09.031 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 06:05:09.031 INFO [stderr] 
Dec 04 06:05:09.031 INFO [stderr] warning: unused import: `Shutdown`
Dec 04 06:05:09.031 INFO [stderr]  --> src/proxy.rs:5:16
Dec 04 06:05:09.031 INFO [stderr]   |
Dec 04 06:05:09.031 INFO [stderr] 5 | use std::net::{Shutdown, SocketAddr};
Dec 04 06:05:09.031 INFO [stderr]   |                ^^^^^^^^
Dec 04 06:05:09.031 INFO [stderr] 
Dec 04 06:05:09.031 INFO [stderr] warning: unused import: `AsyncWrite`
Dec 04 06:05:09.031 INFO [stderr]  --> src/proxy.rs:9:27
Dec 04 06:05:09.031 INFO [stderr]   |
Dec 04 06:05:09.031 INFO [stderr] 9 | use tokio_io::{AsyncRead, AsyncWrite};
Dec 04 06:05:09.031 INFO [stderr]   |                           ^^^^^^^^^^
Dec 04 06:05:09.031 INFO [stderr] 
Dec 04 06:05:09.031 INFO [stderr] warning: unused import: `shutdown`
Dec 04 06:05:09.031 INFO [stderr]   --> src/proxy.rs:10:26
Dec 04 06:05:09.031 INFO [stderr]    |
Dec 04 06:05:09.031 INFO [stderr] 10 | use tokio_io::io::{copy, shutdown};
Dec 04 06:05:09.031 INFO [stderr]    |                          ^^^^^^^^
Dec 04 06:05:09.031 INFO [stderr] 
Dec 04 06:05:09.039 INFO [stderr] warning: unused import: `std::cell::RefCell`
Dec 04 06:05:09.039 INFO [stderr]  --> src/proxy.rs:4:5
Dec 04 06:05:09.039 INFO [stderr]   |
Dec 04 06:05:09.039 INFO [stderr] 4 | use std::cell::RefCell;
Dec 04 06:05:09.039 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 04 06:05:09.039 INFO [stderr]   |
Dec 04 06:05:09.039 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 06:05:09.039 INFO [stderr] 
Dec 04 06:05:09.039 INFO [stderr] warning: unused import: `Shutdown`
Dec 04 06:05:09.039 INFO [stderr]  --> src/proxy.rs:5:16
Dec 04 06:05:09.039 INFO [stderr]   |
Dec 04 06:05:09.039 INFO [stderr] 5 | use std::net::{Shutdown, SocketAddr};
Dec 04 06:05:09.039 INFO [stderr]   |                ^^^^^^^^
Dec 04 06:05:09.039 INFO [stderr] 
Dec 04 06:05:09.039 INFO [stderr] warning: unused import: `AsyncWrite`
Dec 04 06:05:09.039 INFO [stderr]  --> src/proxy.rs:9:27
Dec 04 06:05:09.039 INFO [stderr]   |
Dec 04 06:05:09.039 INFO [stderr] 9 | use tokio_io::{AsyncRead, AsyncWrite};
Dec 04 06:05:09.039 INFO [stderr]   |                           ^^^^^^^^^^
Dec 04 06:05:09.039 INFO [stderr] 
Dec 04 06:05:09.039 INFO [stderr] warning: unused import: `shutdown`
Dec 04 06:05:09.039 INFO [stderr]   --> src/proxy.rs:10:26
Dec 04 06:05:09.039 INFO [stderr]    |
Dec 04 06:05:09.039 INFO [stderr] 10 | use tokio_io::io::{copy, shutdown};
Dec 04 06:05:09.039 INFO [stderr]    |                          ^^^^^^^^
Dec 04 06:05:09.039 INFO [stderr] 
Dec 04 06:05:09.039 INFO [stderr] warning: unused import: `std::io`
Dec 04 06:05:09.039 INFO [stderr]   --> src/main.rs:16:5
Dec 04 06:05:09.039 INFO [stderr]    |
Dec 04 06:05:09.039 INFO [stderr] 16 | use std::io;
Dec 04 06:05:09.039 INFO [stderr]    |     ^^^^^^^
Dec 04 06:05:09.039 INFO [stderr] 
Dec 04 06:05:09.051 INFO [stderr] warning: unused import: `std::io`
Dec 04 06:05:09.051 INFO [stderr]   --> src/main.rs:16:5
Dec 04 06:05:09.051 INFO [stderr]    |
Dec 04 06:05:09.051 INFO [stderr] 16 | use std::io;
Dec 04 06:05:09.051 INFO [stderr]    |     ^^^^^^^
Dec 04 06:05:09.051 INFO [stderr] 
Dec 04 06:05:09.179 INFO [stderr] warning: unused variable: `res`
Dec 04 06:05:09.179 INFO [stderr]   --> src/main.rs:43:9
Dec 04 06:05:09.179 INFO [stderr]    |
Dec 04 06:05:09.179 INFO [stderr] 43 |     let res = match matches.subcommand() {
Dec 04 06:05:09.179 INFO [stderr]    |         ^^^ help: consider using `_res` instead
Dec 04 06:05:09.179 INFO [stderr]    |
Dec 04 06:05:09.179 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 06:05:09.179 INFO [stderr] 
Dec 04 06:05:09.195 INFO [stderr] warning: unused variable: `res`
Dec 04 06:05:09.195 INFO [stderr]   --> src/main.rs:43:9
Dec 04 06:05:09.195 INFO [stderr]    |
Dec 04 06:05:09.195 INFO [stderr] 43 |     let res = match matches.subcommand() {
Dec 04 06:05:09.195 INFO [stderr]    |         ^^^ help: consider using `_res` instead
Dec 04 06:05:09.195 INFO [stderr]    |
Dec 04 06:05:09.195 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 06:05:09.195 INFO [stderr] 
Dec 04 06:05:09.347 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.00s
Dec 04 06:05:09.355 INFO [stderr] su: No module specific data is present
Dec 04 06:05:10.109 INFO running `"docker" "inspect" "464f0bf05e8adff0029101ebea33494fba2266ec9e22aba25526ae6d732ef7c3"`
Dec 04 06:05:10.371 INFO running `"docker" "rm" "-f" "464f0bf05e8adff0029101ebea33494fba2266ec9e22aba25526ae6d732ef7c3"`
Dec 04 06:05:10.689 INFO [stdout] 464f0bf05e8adff0029101ebea33494fba2266ec9e22aba25526ae6d732ef7c3