Dec 13 16:31:31.588 INFO testing irtefa/line-chat against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 16:31:31.588 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 16:31:31.950 INFO [stdout] 4d0a8d29b67efe5905ecac9b4fe2a87be3f9f00cf46f2db35db2f7fb6b147137
Dec 13 16:31:31.952 INFO running `"docker" "start" "-a" "4d0a8d29b67efe5905ecac9b4fe2a87be3f9f00cf46f2db35db2f7fb6b147137"`
Dec 13 16:31:32.803 INFO [stderr] usermod: no changes
Dec 13 16:31:32.903 INFO [stderr]    Compiling tokio v0.1.1
Dec 13 16:31:35.043 INFO [stderr]    Compiling line-chat v0.1.0 (/source)
Dec 13 16:31:35.723 INFO [stderr] warning: unused import: `TcpStream`
Dec 13 16:31:35.723 INFO [stderr]  --> src/main.rs:9:31
Dec 13 16:31:35.723 INFO [stderr]   |
Dec 13 16:31:35.723 INFO [stderr] 9 | use tokio::net::{TcpListener, TcpStream};
Dec 13 16:31:35.723 INFO [stderr]   |                               ^^^^^^^^^
Dec 13 16:31:35.723 INFO [stderr]   |
Dec 13 16:31:35.723 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 16:31:35.723 INFO [stderr] 
Dec 13 16:31:35.723 INFO [stderr] warning: unused import: `AsyncRead`
Dec 13 16:31:35.723 INFO [stderr]   --> src/main.rs:10:16
Dec 13 16:31:35.723 INFO [stderr]    |
Dec 13 16:31:35.723 INFO [stderr] 10 | use tokio_io::{AsyncRead};
Dec 13 16:31:35.723 INFO [stderr]    |                ^^^^^^^^^
Dec 13 16:31:35.723 INFO [stderr] 
Dec 13 16:31:35.723 INFO [stderr] warning: unused imports: `Either`, `self`
Dec 13 16:31:35.723 INFO [stderr]   --> src/main.rs:13:23
Dec 13 16:31:35.723 INFO [stderr]    |
Dec 13 16:31:35.723 INFO [stderr] 13 | use futures::future::{self, Either};
Dec 13 16:31:35.723 INFO [stderr]    |                       ^^^^  ^^^^^^
Dec 13 16:31:35.723 INFO [stderr] 
Dec 13 16:31:35.723 INFO [stderr] warning: unused imports: `BufMut`, `BytesMut`
Dec 13 16:31:35.723 INFO [stderr]   --> src/main.rs:14:13
Dec 13 16:31:35.723 INFO [stderr]    |
Dec 13 16:31:35.723 INFO [stderr] 14 | use bytes::{BytesMut, Bytes, BufMut};
Dec 13 16:31:35.723 INFO [stderr]    |             ^^^^^^^^         ^^^^^^
Dec 13 16:31:35.723 INFO [stderr] 
Dec 13 16:31:35.723 INFO [stderr] warning: unused imports: `Write`, `self`
Dec 13 16:31:35.723 INFO [stderr]   --> src/main.rs:16:15
Dec 13 16:31:35.723 INFO [stderr]    |
Dec 13 16:31:35.723 INFO [stderr] 16 | use std::io::{self, Write};
Dec 13 16:31:35.723 INFO [stderr]    |               ^^^^  ^^^^^
Dec 13 16:31:35.723 INFO [stderr] 
Dec 13 16:31:35.723 INFO [stderr] warning: unused import: `std::cell::RefCell`
Dec 13 16:31:35.723 INFO [stderr]   --> src/main.rs:17:5
Dec 13 16:31:35.723 INFO [stderr]    |
Dec 13 16:31:35.723 INFO [stderr] 17 | use std::cell::RefCell;
Dec 13 16:31:35.723 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 13 16:31:35.723 INFO [stderr] 
Dec 13 16:31:35.724 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 13 16:31:35.724 INFO [stderr]   --> src/main.rs:18:5
Dec 13 16:31:35.724 INFO [stderr]    |
Dec 13 16:31:35.724 INFO [stderr] 18 | use std::collections::HashMap;
Dec 13 16:31:35.724 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:31:35.724 INFO [stderr] 
Dec 13 16:31:35.724 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 13 16:31:35.724 INFO [stderr]   --> src/main.rs:20:5
Dec 13 16:31:35.724 INFO [stderr]    |
Dec 13 16:31:35.724 INFO [stderr] 20 | use std::rc::Rc;
Dec 13 16:31:35.724 INFO [stderr]    |     ^^^^^^^^^^^
Dec 13 16:31:35.724 INFO [stderr] 
Dec 13 16:31:35.763 INFO [stderr] warning: unused variable: `socket`
Dec 13 16:31:35.763 INFO [stderr]   --> src/main.rs:33:53
Dec 13 16:31:35.763 INFO [stderr]    |
Dec 13 16:31:35.763 INFO [stderr] 33 |     let server = listener.incoming().for_each(move |socket| {
Dec 13 16:31:35.763 INFO [stderr]    |                                                     ^^^^^^ help: consider using `_socket` instead
Dec 13 16:31:35.763 INFO [stderr]    |
Dec 13 16:31:35.763 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 16:31:35.763 INFO [stderr] 
Dec 13 16:31:35.763 INFO [stderr] warning: type alias is never used: `Tx`
Dec 13 16:31:35.763 INFO [stderr]   --> src/main.rs:23:1
Dec 13 16:31:35.763 INFO [stderr]    |
Dec 13 16:31:35.763 INFO [stderr] 23 | type Tx = mpsc::UnboundedSender<Bytes>;
Dec 13 16:31:35.763 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:31:35.763 INFO [stderr]    |
Dec 13 16:31:35.763 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 16:31:35.763 INFO [stderr] 
Dec 13 16:31:35.763 INFO [stderr] warning: type alias is never used: `Rx`
Dec 13 16:31:35.763 INFO [stderr]   --> src/main.rs:26:1
Dec 13 16:31:35.763 INFO [stderr]    |
Dec 13 16:31:35.763 INFO [stderr] 26 | type Rx = mpsc::UnboundedReceiver<Bytes>;
Dec 13 16:31:35.763 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:31:35.763 INFO [stderr] 
Dec 13 16:31:36.691 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.86s
Dec 13 16:31:36.691 INFO [stderr] su: No module specific data is present
Dec 13 16:31:37.295 INFO running `"docker" "inspect" "4d0a8d29b67efe5905ecac9b4fe2a87be3f9f00cf46f2db35db2f7fb6b147137"`
Dec 13 16:31:37.440 INFO running `"docker" "rm" "-f" "4d0a8d29b67efe5905ecac9b4fe2a87be3f9f00cf46f2db35db2f7fb6b147137"`
Dec 13 16:31:37.549 INFO [stdout] 4d0a8d29b67efe5905ecac9b4fe2a87be3f9f00cf46f2db35db2f7fb6b147137
Dec 13 16:31:37.552 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 16:31:37.972 INFO [stdout] 85cecd108ab445ff6109ec336d1ee7a8f3cb979f88aee2d66a8b144bbd8822f1
Dec 13 16:31:37.975 INFO running `"docker" "start" "-a" "85cecd108ab445ff6109ec336d1ee7a8f3cb979f88aee2d66a8b144bbd8822f1"`
Dec 13 16:31:38.361 INFO [stderr] usermod: no changes
Dec 13 16:31:38.422 INFO [stderr]    Compiling line-chat v0.1.0 (/source)
Dec 13 16:31:39.155 INFO [stderr] warning: unused import: `TcpStream`
Dec 13 16:31:39.155 INFO [stderr]  --> src/main.rs:9:31
Dec 13 16:31:39.155 INFO [stderr]   |
Dec 13 16:31:39.155 INFO [stderr] 9 | use tokio::net::{TcpListener, TcpStream};
Dec 13 16:31:39.155 INFO [stderr]   |                               ^^^^^^^^^
Dec 13 16:31:39.155 INFO [stderr]   |
Dec 13 16:31:39.155 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 16:31:39.155 INFO [stderr] 
Dec 13 16:31:39.155 INFO [stderr] warning: unused import: `AsyncRead`
Dec 13 16:31:39.155 INFO [stderr]   --> src/main.rs:10:16
Dec 13 16:31:39.155 INFO [stderr]    |
Dec 13 16:31:39.155 INFO [stderr] 10 | use tokio_io::{AsyncRead};
Dec 13 16:31:39.155 INFO [stderr]    |                ^^^^^^^^^
Dec 13 16:31:39.155 INFO [stderr] 
Dec 13 16:31:39.155 INFO [stderr] warning: unused imports: `Either`, `self`
Dec 13 16:31:39.155 INFO [stderr]   --> src/main.rs:13:23
Dec 13 16:31:39.155 INFO [stderr]    |
Dec 13 16:31:39.155 INFO [stderr] 13 | use futures::future::{self, Either};
Dec 13 16:31:39.155 INFO [stderr]    |                       ^^^^  ^^^^^^
Dec 13 16:31:39.155 INFO [stderr] 
Dec 13 16:31:39.155 INFO [stderr] warning: unused imports: `BufMut`, `BytesMut`
Dec 13 16:31:39.155 INFO [stderr]   --> src/main.rs:14:13
Dec 13 16:31:39.155 INFO [stderr]    |
Dec 13 16:31:39.155 INFO [stderr] 14 | use bytes::{BytesMut, Bytes, BufMut};
Dec 13 16:31:39.155 INFO [stderr]    |             ^^^^^^^^         ^^^^^^
Dec 13 16:31:39.155 INFO [stderr] 
Dec 13 16:31:39.155 INFO [stderr] warning: unused imports: `Write`, `self`
Dec 13 16:31:39.155 INFO [stderr]   --> src/main.rs:16:15
Dec 13 16:31:39.155 INFO [stderr]    |
Dec 13 16:31:39.155 INFO [stderr] 16 | use std::io::{self, Write};
Dec 13 16:31:39.155 INFO [stderr]    |               ^^^^  ^^^^^
Dec 13 16:31:39.155 INFO [stderr] 
Dec 13 16:31:39.155 INFO [stderr] warning: unused import: `std::cell::RefCell`
Dec 13 16:31:39.155 INFO [stderr]   --> src/main.rs:17:5
Dec 13 16:31:39.155 INFO [stderr]    |
Dec 13 16:31:39.155 INFO [stderr] 17 | use std::cell::RefCell;
Dec 13 16:31:39.155 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 13 16:31:39.155 INFO [stderr] 
Dec 13 16:31:39.155 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 13 16:31:39.155 INFO [stderr]   --> src/main.rs:18:5
Dec 13 16:31:39.155 INFO [stderr]    |
Dec 13 16:31:39.155 INFO [stderr] 18 | use std::collections::HashMap;
Dec 13 16:31:39.155 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:31:39.155 INFO [stderr] 
Dec 13 16:31:39.155 INFO [stderr] warning: unused import: `std::rc::Rc`
Dec 13 16:31:39.155 INFO [stderr]   --> src/main.rs:20:5
Dec 13 16:31:39.155 INFO [stderr]    |
Dec 13 16:31:39.155 INFO [stderr] 20 | use std::rc::Rc;
Dec 13 16:31:39.155 INFO [stderr]    |     ^^^^^^^^^^^
Dec 13 16:31:39.155 INFO [stderr] 
Dec 13 16:31:39.183 INFO [stderr] warning: unused variable: `socket`
Dec 13 16:31:39.183 INFO [stderr]   --> src/main.rs:33:53
Dec 13 16:31:39.183 INFO [stderr]    |
Dec 13 16:31:39.183 INFO [stderr] 33 |     let server = listener.incoming().for_each(move |socket| {
Dec 13 16:31:39.183 INFO [stderr]    |                                                     ^^^^^^ help: consider using `_socket` instead
Dec 13 16:31:39.183 INFO [stderr]    |
Dec 13 16:31:39.183 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 16:31:39.183 INFO [stderr] 
Dec 13 16:31:39.191 INFO [stderr] warning: type alias is never used: `Tx`
Dec 13 16:31:39.191 INFO [stderr]   --> src/main.rs:23:1
Dec 13 16:31:39.191 INFO [stderr]    |
Dec 13 16:31:39.191 INFO [stderr] 23 | type Tx = mpsc::UnboundedSender<Bytes>;
Dec 13 16:31:39.191 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:31:39.191 INFO [stderr]    |
Dec 13 16:31:39.191 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 16:31:39.191 INFO [stderr] 
Dec 13 16:31:39.191 INFO [stderr] warning: type alias is never used: `Rx`
Dec 13 16:31:39.191 INFO [stderr]   --> src/main.rs:26:1
Dec 13 16:31:39.191 INFO [stderr]    |
Dec 13 16:31:39.191 INFO [stderr] 26 | type Rx = mpsc::UnboundedReceiver<Bytes>;
Dec 13 16:31:39.191 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:31:39.191 INFO [stderr] 
Dec 13 16:31:39.523 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
Dec 13 16:31:39.523 INFO [stderr] su: No module specific data is present
Dec 13 16:31:40.115 INFO running `"docker" "inspect" "85cecd108ab445ff6109ec336d1ee7a8f3cb979f88aee2d66a8b144bbd8822f1"`
Dec 13 16:31:40.445 INFO running `"docker" "rm" "-f" "85cecd108ab445ff6109ec336d1ee7a8f3cb979f88aee2d66a8b144bbd8822f1"`
Dec 13 16:31:40.835 INFO [stdout] 85cecd108ab445ff6109ec336d1ee7a8f3cb979f88aee2d66a8b144bbd8822f1
Dec 13 16:31:40.843 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 16:31:41.348 INFO [stdout] a7b1ba4a9d90c1c5e6b489300ae019d7f16456270d215361c9cad9e96a0c0ae7
Dec 13 16:31:41.355 INFO running `"docker" "start" "-a" "a7b1ba4a9d90c1c5e6b489300ae019d7f16456270d215361c9cad9e96a0c0ae7"`
Dec 13 16:31:42.708 INFO [stderr] usermod: no changes
Dec 13 16:31:42.823 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Dec 13 16:31:42.831 INFO [stderr]      Running /target/debug/deps/line_chat-000f68a0d08d9ad7
Dec 13 16:31:42.839 INFO [stdout] 
Dec 13 16:31:42.839 INFO [stdout] running 0 tests
Dec 13 16:31:42.839 INFO [stdout] 
Dec 13 16:31:42.839 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 16:31:42.839 INFO [stdout] 
Dec 13 16:31:42.839 INFO [stderr] su: No module specific data is present
Dec 13 16:31:43.413 INFO running `"docker" "inspect" "a7b1ba4a9d90c1c5e6b489300ae019d7f16456270d215361c9cad9e96a0c0ae7"`
Dec 13 16:31:43.773 INFO running `"docker" "rm" "-f" "a7b1ba4a9d90c1c5e6b489300ae019d7f16456270d215361c9cad9e96a0c0ae7"`
Dec 13 16:31:44.258 INFO [stdout] a7b1ba4a9d90c1c5e6b489300ae019d7f16456270d215361c9cad9e96a0c0ae7