Dec 04 06:04:50.759 INFO checking zklapow/duplex against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 06:04:50.760 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 06:04:51.232 INFO [stdout] cc57e55464abbbbb26b2b2d7eec10c012e2941867e3269c0c2c0810255a52bcd
Dec 04 06:04:51.234 INFO running `"docker" "start" "-a" "cc57e55464abbbbb26b2b2d7eec10c012e2941867e3269c0c2c0810255a52bcd"`
Dec 04 06:04:52.582 INFO [stderr] usermod: no changes
Dec 04 06:04:52.714 INFO [stderr]     Checking lazycell v0.4.0
Dec 04 06:04:52.714 INFO [stderr]     Checking futures v0.1.13
Dec 04 06:04:52.714 INFO [stderr]     Checking regex-syntax v0.3.9
Dec 04 06:04:52.714 INFO [stderr]     Checking utf8-ranges v0.1.3
Dec 04 06:04:52.714 INFO [stderr]     Checking unicode-segmentation v1.1.0
Dec 04 06:04:52.714 INFO [stderr]     Checking vec_map v0.7.0
Dec 04 06:04:52.714 INFO [stderr]     Checking bitflags v0.8.2
Dec 04 06:04:52.714 INFO [stderr]     Checking unicode-width v0.1.4
Dec 04 06:04:53.184 INFO [stderr]     Checking ansi_term v0.9.0
Dec 04 06:04:53.592 INFO [stderr]     Checking strsim v0.6.0
Dec 04 06:04:53.691 INFO [stderr]     Checking iovec v0.1.0
Dec 04 06:04:54.017 INFO [stderr]     Checking memchr v0.1.11
Dec 04 06:04:54.023 INFO [stderr]     Checking term_size v0.3.0
Dec 04 06:04:54.087 INFO [stderr]     Checking atty v0.2.2
Dec 04 06:04:54.252 INFO [stderr]     Checking num-integer v0.1.34
Dec 04 06:04:54.283 INFO [stderr]     Checking net2 v0.2.27
Dec 04 06:04:54.302 INFO [stderr]     Checking bytes v0.4.3
Dec 04 06:04:54.444 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 04 06:04:54.571 INFO [stderr]     Checking clap v2.23.3
Dec 04 06:04:54.799 INFO [stderr]     Checking thread-id v2.0.0
Dec 04 06:04:55.316 INFO [stderr]     Checking num-iter v0.1.33
Dec 04 06:04:55.331 INFO [stderr]     Checking thread_local v0.2.7
Dec 04 06:04:55.845 INFO [stderr]     Checking num v0.1.37
Dec 04 06:04:55.985 INFO [stderr]     Checking mio v0.6.7
Dec 04 06:04:56.179 INFO [stderr]     Checking chrono v0.3.1
Dec 04 06:04:57.067 INFO [stderr]     Checking regex v0.1.80
Dec 04 06:05:00.237 INFO [stderr]     Checking tokio-io v0.1.1
Dec 04 06:05:00.238 INFO [stderr]     Checking tokio-service v0.1.0
Dec 04 06:05:00.987 INFO [stderr]     Checking env_logger v0.3.5
Dec 04 06:05:02.293 INFO [stderr]     Checking tokio-core v0.1.6
Dec 04 06:05:04.106 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 04 06:05:07.525 INFO [stderr]     Checking duplex v0.1.0 (/source)
Dec 04 06:05:07.855 INFO [stderr] warning: unused import: `std::cell::RefCell`
Dec 04 06:05:07.855 INFO [stderr]  --> src/proxy.rs:4:5
Dec 04 06:05:07.855 INFO [stderr]   |
Dec 04 06:05:07.855 INFO [stderr] 4 | use std::cell::RefCell;
Dec 04 06:05:07.855 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 04 06:05:07.855 INFO [stderr]   |
Dec 04 06:05:07.855 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 06:05:07.855 INFO [stderr] 
Dec 04 06:05:07.855 INFO [stderr] warning: unused import: `Shutdown`
Dec 04 06:05:07.855 INFO [stderr]  --> src/proxy.rs:5:16
Dec 04 06:05:07.855 INFO [stderr]   |
Dec 04 06:05:07.855 INFO [stderr] 5 | use std::net::{Shutdown, SocketAddr};
Dec 04 06:05:07.855 INFO [stderr]   |                ^^^^^^^^
Dec 04 06:05:07.855 INFO [stderr] 
Dec 04 06:05:07.855 INFO [stderr] warning: unused import: `AsyncWrite`
Dec 04 06:05:07.855 INFO [stderr]  --> src/proxy.rs:9:27
Dec 04 06:05:07.855 INFO [stderr]   |
Dec 04 06:05:07.855 INFO [stderr] 9 | use tokio_io::{AsyncRead, AsyncWrite};
Dec 04 06:05:07.855 INFO [stderr]   |                           ^^^^^^^^^^
Dec 04 06:05:07.855 INFO [stderr] 
Dec 04 06:05:07.855 INFO [stderr] warning: unused import: `shutdown`
Dec 04 06:05:07.855 INFO [stderr]   --> src/proxy.rs:10:26
Dec 04 06:05:07.855 INFO [stderr]    |
Dec 04 06:05:07.855 INFO [stderr] 10 | use tokio_io::io::{copy, shutdown};
Dec 04 06:05:07.855 INFO [stderr]    |                          ^^^^^^^^
Dec 04 06:05:07.855 INFO [stderr] 
Dec 04 06:05:07.855 INFO [stderr] warning: unused import: `std::io`
Dec 04 06:05:07.855 INFO [stderr]   --> src/main.rs:16:5
Dec 04 06:05:07.855 INFO [stderr]    |
Dec 04 06:05:07.855 INFO [stderr] 16 | use std::io;
Dec 04 06:05:07.855 INFO [stderr]    |     ^^^^^^^
Dec 04 06:05:07.855 INFO [stderr] 
Dec 04 06:05:07.876 INFO [stderr] warning: unused import: `std::cell::RefCell`
Dec 04 06:05:07.876 INFO [stderr]  --> src/proxy.rs:4:5
Dec 04 06:05:07.877 INFO [stderr]   |
Dec 04 06:05:07.879 INFO [stderr] 4 | use std::cell::RefCell;
Dec 04 06:05:07.879 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 04 06:05:07.879 INFO [stderr]   |
Dec 04 06:05:07.879 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 06:05:07.879 INFO [stderr] 
Dec 04 06:05:07.879 INFO [stderr] warning: unused import: `Shutdown`
Dec 04 06:05:07.879 INFO [stderr]  --> src/proxy.rs:5:16
Dec 04 06:05:07.879 INFO [stderr]   |
Dec 04 06:05:07.879 INFO [stderr] 5 | use std::net::{Shutdown, SocketAddr};
Dec 04 06:05:07.879 INFO [stderr]   |                ^^^^^^^^
Dec 04 06:05:07.879 INFO [stderr] 
Dec 04 06:05:07.879 INFO [stderr] warning: unused import: `AsyncWrite`
Dec 04 06:05:07.879 INFO [stderr]  --> src/proxy.rs:9:27
Dec 04 06:05:07.879 INFO [stderr]   |
Dec 04 06:05:07.879 INFO [stderr] 9 | use tokio_io::{AsyncRead, AsyncWrite};
Dec 04 06:05:07.879 INFO [stderr]   |                           ^^^^^^^^^^
Dec 04 06:05:07.879 INFO [stderr] 
Dec 04 06:05:07.879 INFO [stderr] warning: unused import: `shutdown`
Dec 04 06:05:07.879 INFO [stderr]   --> src/proxy.rs:10:26
Dec 04 06:05:07.879 INFO [stderr]    |
Dec 04 06:05:07.879 INFO [stderr] 10 | use tokio_io::io::{copy, shutdown};
Dec 04 06:05:07.879 INFO [stderr]    |                          ^^^^^^^^
Dec 04 06:05:07.879 INFO [stderr] 
Dec 04 06:05:07.879 INFO [stderr] warning: unused import: `std::io`
Dec 04 06:05:07.879 INFO [stderr]   --> src/main.rs:16:5
Dec 04 06:05:07.879 INFO [stderr]    |
Dec 04 06:05:07.879 INFO [stderr] 16 | use std::io;
Dec 04 06:05:07.879 INFO [stderr]    |     ^^^^^^^
Dec 04 06:05:07.879 INFO [stderr] 
Dec 04 06:05:08.011 INFO [stderr] warning: unused variable: `res`
Dec 04 06:05:08.011 INFO [stderr]   --> src/main.rs:43:9
Dec 04 06:05:08.012 INFO [stderr]    |
Dec 04 06:05:08.012 INFO [stderr] 43 |     let res = match matches.subcommand() {
Dec 04 06:05:08.017 INFO [stderr]    |         ^^^ help: consider using `_res` instead
Dec 04 06:05:08.017 INFO [stderr]    |
Dec 04 06:05:08.017 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 06:05:08.017 INFO [stderr] 
Dec 04 06:05:08.017 INFO [stderr] warning: unused variable: `res`
Dec 04 06:05:08.018 INFO [stderr]   --> src/main.rs:43:9
Dec 04 06:05:08.018 INFO [stderr]    |
Dec 04 06:05:08.018 INFO [stderr] 43 |     let res = match matches.subcommand() {
Dec 04 06:05:08.019 INFO [stderr]    |         ^^^ help: consider using `_res` instead
Dec 04 06:05:08.023 INFO [stderr]    |
Dec 04 06:05:08.023 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 06:05:08.023 INFO [stderr] 
Dec 04 06:05:08.138 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.53s
Dec 04 06:05:08.153 INFO [stderr] su: No module specific data is present
Dec 04 06:05:08.771 INFO running `"docker" "inspect" "cc57e55464abbbbb26b2b2d7eec10c012e2941867e3269c0c2c0810255a52bcd"`
Dec 04 06:05:09.061 INFO running `"docker" "rm" "-f" "cc57e55464abbbbb26b2b2d7eec10c012e2941867e3269c0c2c0810255a52bcd"`
Dec 04 06:05:09.382 INFO [stdout] cc57e55464abbbbb26b2b2d7eec10c012e2941867e3269c0c2c0810255a52bcd