Dec 18 04:10:01.349 INFO checking alishir/ping-pong against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 04:10:01.349 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/alishir/ping-pong:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 04:10:01.692 INFO [stdout] 8591a400f645cf967e1eaa93bdcef8d2f20536e2a9c6ae151e32f25d1a80a866
Dec 18 04:10:01.694 INFO running `"docker" "start" "-a" "8591a400f645cf967e1eaa93bdcef8d2f20536e2a9c6ae151e32f25d1a80a866"`
Dec 18 04:10:03.144 INFO [stderr]     Checking tokio-reactor v0.1.7
Dec 18 04:10:04.194 INFO [stderr]     Checking tokio-tcp v0.1.2
Dec 18 04:10:04.194 INFO [stderr]     Checking tokio-udp v0.1.3
Dec 18 04:10:04.194 INFO [stderr]     Checking tokio-uds v0.2.4
Dec 18 04:10:05.136 INFO [stderr]     Checking tokio v0.1.13
Dec 18 04:10:06.137 INFO [stderr]     Checking ping-ack-pong v0.1.0 (/opt/crater/workdir)
Dec 18 04:10:07.150 INFO [stderr] warning: unused variable: `size`
Dec 18 04:10:07.151 INFO [stderr]   --> src/ping_agg.rs:30:40
Dec 18 04:10:07.151 INFO [stderr]    |
Dec 18 04:10:07.151 INFO [stderr] 30 |                             .map(move |size| println!("buf is: {:?}", buf))
Dec 18 04:10:07.151 INFO [stderr]    |                                        ^^^^ help: consider using `_size` instead
Dec 18 04:10:07.151 INFO [stderr]    |
Dec 18 04:10:07.151 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 04:10:07.151 INFO [stderr] 
Dec 18 04:10:07.286 INFO [stderr] warning: unused variable: `size`
Dec 18 04:10:07.286 INFO [stderr]   --> src/ping_agg.rs:30:40
Dec 18 04:10:07.286 INFO [stderr]    |
Dec 18 04:10:07.286 INFO [stderr] 30 |                             .map(move |size| println!("buf is: {:?}", buf))
Dec 18 04:10:07.286 INFO [stderr]    |                                        ^^^^ help: consider using `_size` instead
Dec 18 04:10:07.286 INFO [stderr]    |
Dec 18 04:10:07.286 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 04:10:07.286 INFO [stderr] 
Dec 18 04:10:07.492 INFO [stderr] warning: unused variable: `size`
Dec 18 04:10:07.492 INFO [stderr]   --> src/ping_agg2.rs:28:36
Dec 18 04:10:07.492 INFO [stderr]    |
Dec 18 04:10:07.492 INFO [stderr] 28 |                         .map(move |size| println!("buf is: {:?}", buf))
Dec 18 04:10:07.492 INFO [stderr]    |                                    ^^^^ help: consider using `_size` instead
Dec 18 04:10:07.492 INFO [stderr]    |
Dec 18 04:10:07.492 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 04:10:07.492 INFO [stderr] 
Dec 18 04:10:07.492 INFO [stderr] warning: unused variable: `e`
Dec 18 04:10:07.492 INFO [stderr]   --> src/ping_agg2.rs:37:25
Dec 18 04:10:07.492 INFO [stderr]    |
Dec 18 04:10:07.492 INFO [stderr] 37 |                     Err(e) => println!("here is p"),
Dec 18 04:10:07.492 INFO [stderr]    |                         ^ help: consider using `_e` instead
Dec 18 04:10:07.492 INFO [stderr] 
Dec 18 04:10:07.772 INFO [stderr] warning: unused variable: `size`
Dec 18 04:10:07.772 INFO [stderr]   --> src/ping_agg2.rs:28:36
Dec 18 04:10:07.772 INFO [stderr]    |
Dec 18 04:10:07.772 INFO [stderr] 28 |                         .map(move |size| println!("buf is: {:?}", buf))
Dec 18 04:10:07.772 INFO [stderr]    |                                    ^^^^ help: consider using `_size` instead
Dec 18 04:10:07.772 INFO [stderr]    |
Dec 18 04:10:07.772 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 04:10:07.772 INFO [stderr] 
Dec 18 04:10:07.772 INFO [stderr] warning: unused variable: `e`
Dec 18 04:10:07.772 INFO [stderr]   --> src/ping_agg2.rs:37:25
Dec 18 04:10:07.772 INFO [stderr]    |
Dec 18 04:10:07.772 INFO [stderr] 37 |                     Err(e) => println!("here is p"),
Dec 18 04:10:07.772 INFO [stderr]    |                         ^ help: consider using `_e` instead
Dec 18 04:10:07.772 INFO [stderr] 
Dec 18 04:10:07.912 INFO [stderr] warning: unused import: `tokio::prelude`
Dec 18 04:10:07.912 INFO [stderr]   --> src/main.rs:13:5
Dec 18 04:10:07.912 INFO [stderr]    |
Dec 18 04:10:07.912 INFO [stderr] 13 | use tokio::prelude::*;
Dec 18 04:10:07.912 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 18 04:10:07.912 INFO [stderr]    |
Dec 18 04:10:07.912 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 04:10:07.912 INFO [stderr] 
Dec 18 04:10:07.912 INFO [stderr] warning: unused variable: `msg`
Dec 18 04:10:07.912 INFO [stderr]   --> src/main.rs:77:16
Dec 18 04:10:07.912 INFO [stderr]    |
Dec 18 04:10:07.912 INFO [stderr] 77 | fn handle_ping(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 18 04:10:07.913 INFO [stderr]    |                ^^^ help: consider using `_msg` instead
Dec 18 04:10:07.913 INFO [stderr]    |
Dec 18 04:10:07.913 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 04:10:07.913 INFO [stderr] 
Dec 18 04:10:07.913 INFO [stderr] warning: unused variable: `msg`
Dec 18 04:10:07.913 INFO [stderr]   --> src/main.rs:93:16
Dec 18 04:10:07.913 INFO [stderr]    |
Dec 18 04:10:07.913 INFO [stderr] 93 | fn handle_pong(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 18 04:10:07.913 INFO [stderr]    |                ^^^ help: consider using `_msg` instead
Dec 18 04:10:07.913 INFO [stderr] 
Dec 18 04:10:07.913 INFO [stderr] warning: unused variable: `msg`
Dec 18 04:10:07.913 INFO [stderr]    --> src/main.rs:104:19
Dec 18 04:10:07.913 INFO [stderr]     |
Dec 18 04:10:07.913 INFO [stderr] 104 | fn handle_default(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 18 04:10:07.913 INFO [stderr]     |                   ^^^ help: consider using `_msg` instead
Dec 18 04:10:07.913 INFO [stderr] 
Dec 18 04:10:08.257 INFO [stderr] warning: unused import: `tokio::prelude`
Dec 18 04:10:08.257 INFO [stderr]   --> src/main.rs:13:5
Dec 18 04:10:08.257 INFO [stderr]    |
Dec 18 04:10:08.257 INFO [stderr] 13 | use tokio::prelude::*;
Dec 18 04:10:08.257 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 18 04:10:08.257 INFO [stderr]    |
Dec 18 04:10:08.257 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 04:10:08.257 INFO [stderr] 
Dec 18 04:10:08.257 INFO [stderr] warning: unused variable: `msg`
Dec 18 04:10:08.257 INFO [stderr]   --> src/main.rs:77:16
Dec 18 04:10:08.257 INFO [stderr]    |
Dec 18 04:10:08.257 INFO [stderr] 77 | fn handle_ping(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 18 04:10:08.257 INFO [stderr]    |                ^^^ help: consider using `_msg` instead
Dec 18 04:10:08.257 INFO [stderr]    |
Dec 18 04:10:08.257 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 04:10:08.257 INFO [stderr] 
Dec 18 04:10:08.257 INFO [stderr] warning: unused variable: `msg`
Dec 18 04:10:08.257 INFO [stderr]   --> src/main.rs:93:16
Dec 18 04:10:08.257 INFO [stderr]    |
Dec 18 04:10:08.257 INFO [stderr] 93 | fn handle_pong(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 18 04:10:08.257 INFO [stderr]    |                ^^^ help: consider using `_msg` instead
Dec 18 04:10:08.257 INFO [stderr] 
Dec 18 04:10:08.257 INFO [stderr] warning: unused variable: `msg`
Dec 18 04:10:08.257 INFO [stderr]    --> src/main.rs:104:19
Dec 18 04:10:08.257 INFO [stderr]     |
Dec 18 04:10:08.257 INFO [stderr] 104 | fn handle_default(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 18 04:10:08.257 INFO [stderr]     |                   ^^^ help: consider using `_msg` instead
Dec 18 04:10:08.257 INFO [stderr] 
Dec 18 04:10:08.462 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.53s
Dec 18 04:10:08.724 INFO running `"docker" "inspect" "8591a400f645cf967e1eaa93bdcef8d2f20536e2a9c6ae151e32f25d1a80a866"`
Dec 18 04:10:08.797 INFO running `"docker" "rm" "-f" "8591a400f645cf967e1eaa93bdcef8d2f20536e2a9c6ae151e32f25d1a80a866"`
Dec 18 04:10:08.881 INFO [stdout] 8591a400f645cf967e1eaa93bdcef8d2f20536e2a9c6ae151e32f25d1a80a866