Dec 19 20:38:27.990 INFO checking alishir/ping-pong against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 20:38:27.990 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:38:28.169 INFO [stdout] 181bb76c1507bfcd1d86dfd872d3828c1ba6e7737ced3ca247e36727150967be
Dec 19 20:38:28.174 INFO running `"docker" "start" "-a" "181bb76c1507bfcd1d86dfd872d3828c1ba6e7737ced3ca247e36727150967be"`
Dec 19 20:38:29.076 INFO [stderr]     Checking ping-ack-pong v0.1.0 (/opt/crater/workdir)
Dec 19 20:38:30.773 INFO [stderr] warning: unused variable: `size`
Dec 19 20:38:30.773 INFO [stderr]   --> src/ping_agg.rs:30:40
Dec 19 20:38:30.773 INFO [stderr]    |
Dec 19 20:38:30.773 INFO [stderr] 30 |                             .map(move |size| println!("buf is: {:?}", buf))
Dec 19 20:38:30.773 INFO [stderr]    |                                        ^^^^ help: consider using `_size` instead
Dec 19 20:38:30.773 INFO [stderr]    |
Dec 19 20:38:30.773 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:38:30.773 INFO [stderr] 
Dec 19 20:38:30.802 INFO [stderr] warning: unused variable: `size`
Dec 19 20:38:30.802 INFO [stderr]   --> src/ping_agg.rs:30:40
Dec 19 20:38:30.802 INFO [stderr]    |
Dec 19 20:38:30.802 INFO [stderr] 30 |                             .map(move |size| println!("buf is: {:?}", buf))
Dec 19 20:38:30.802 INFO [stderr]    |                                        ^^^^ help: consider using `_size` instead
Dec 19 20:38:30.802 INFO [stderr]    |
Dec 19 20:38:30.803 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:38:30.803 INFO [stderr] 
Dec 19 20:38:30.828 INFO [stderr] warning: unused variable: `size`
Dec 19 20:38:30.828 INFO [stderr]   --> src/ping_agg2.rs:28:36
Dec 19 20:38:30.828 INFO [stderr]    |
Dec 19 20:38:30.828 INFO [stderr] 28 |                         .map(move |size| println!("buf is: {:?}", buf))
Dec 19 20:38:30.828 INFO [stderr]    |                                    ^^^^ help: consider using `_size` instead
Dec 19 20:38:30.828 INFO [stderr]    |
Dec 19 20:38:30.828 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:38:30.828 INFO [stderr] 
Dec 19 20:38:30.828 INFO [stderr] warning: unused variable: `e`
Dec 19 20:38:30.829 INFO [stderr]   --> src/ping_agg2.rs:37:25
Dec 19 20:38:30.829 INFO [stderr]    |
Dec 19 20:38:30.829 INFO [stderr] 37 |                     Err(e) => println!("here is p"),
Dec 19 20:38:30.832 INFO [stderr]    |                         ^ help: consider using `_e` instead
Dec 19 20:38:30.832 INFO [stderr] 
Dec 19 20:38:31.306 INFO [stderr] warning: unused variable: `size`
Dec 19 20:38:31.306 INFO [stderr]   --> src/ping_agg2.rs:28:36
Dec 19 20:38:31.306 INFO [stderr]    |
Dec 19 20:38:31.306 INFO [stderr] 28 |                         .map(move |size| println!("buf is: {:?}", buf))
Dec 19 20:38:31.306 INFO [stderr]    |                                    ^^^^ help: consider using `_size` instead
Dec 19 20:38:31.306 INFO [stderr]    |
Dec 19 20:38:31.306 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:38:31.306 INFO [stderr] 
Dec 19 20:38:31.306 INFO [stderr] warning: unused variable: `e`
Dec 19 20:38:31.306 INFO [stderr]   --> src/ping_agg2.rs:37:25
Dec 19 20:38:31.306 INFO [stderr]    |
Dec 19 20:38:31.306 INFO [stderr] 37 |                     Err(e) => println!("here is p"),
Dec 19 20:38:31.306 INFO [stderr]    |                         ^ help: consider using `_e` instead
Dec 19 20:38:31.306 INFO [stderr] 
Dec 19 20:38:31.498 INFO [stderr] warning: unused import: `tokio::prelude`
Dec 19 20:38:31.498 INFO [stderr]   --> src/main.rs:13:5
Dec 19 20:38:31.498 INFO [stderr]    |
Dec 19 20:38:31.498 INFO [stderr] 13 | use tokio::prelude::*;
Dec 19 20:38:31.498 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 19 20:38:31.498 INFO [stderr]    |
Dec 19 20:38:31.498 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 20:38:31.498 INFO [stderr] 
Dec 19 20:38:31.508 INFO [stderr] warning: unused variable: `msg`
Dec 19 20:38:31.508 INFO [stderr]   --> src/main.rs:77:16
Dec 19 20:38:31.508 INFO [stderr]    |
Dec 19 20:38:31.508 INFO [stderr] 77 | fn handle_ping(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 19 20:38:31.508 INFO [stderr]    |                ^^^ help: consider using `_msg` instead
Dec 19 20:38:31.508 INFO [stderr]    |
Dec 19 20:38:31.508 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:38:31.508 INFO [stderr] 
Dec 19 20:38:31.508 INFO [stderr] warning: unused variable: `msg`
Dec 19 20:38:31.508 INFO [stderr]   --> src/main.rs:93:16
Dec 19 20:38:31.508 INFO [stderr]    |
Dec 19 20:38:31.508 INFO [stderr] 93 | fn handle_pong(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 19 20:38:31.508 INFO [stderr]    |                ^^^ help: consider using `_msg` instead
Dec 19 20:38:31.508 INFO [stderr] 
Dec 19 20:38:31.508 INFO [stderr] warning: unused variable: `msg`
Dec 19 20:38:31.508 INFO [stderr]    --> src/main.rs:104:19
Dec 19 20:38:31.509 INFO [stderr]     |
Dec 19 20:38:31.509 INFO [stderr] 104 | fn handle_default(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 19 20:38:31.509 INFO [stderr]     |                   ^^^ help: consider using `_msg` instead
Dec 19 20:38:31.509 INFO [stderr] 
Dec 19 20:38:31.936 INFO [stderr] warning: unused import: `tokio::prelude`
Dec 19 20:38:31.936 INFO [stderr]   --> src/main.rs:13:5
Dec 19 20:38:31.936 INFO [stderr]    |
Dec 19 20:38:31.936 INFO [stderr] 13 | use tokio::prelude::*;
Dec 19 20:38:31.936 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 19 20:38:31.936 INFO [stderr]    |
Dec 19 20:38:31.936 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 20:38:31.936 INFO [stderr] 
Dec 19 20:38:31.940 INFO [stderr] warning: unused variable: `msg`
Dec 19 20:38:31.940 INFO [stderr]   --> src/main.rs:77:16
Dec 19 20:38:31.940 INFO [stderr]    |
Dec 19 20:38:31.940 INFO [stderr] 77 | fn handle_ping(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 19 20:38:31.940 INFO [stderr]    |                ^^^ help: consider using `_msg` instead
Dec 19 20:38:31.940 INFO [stderr]    |
Dec 19 20:38:31.940 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:38:31.940 INFO [stderr] 
Dec 19 20:38:31.940 INFO [stderr] warning: unused variable: `msg`
Dec 19 20:38:31.940 INFO [stderr]   --> src/main.rs:93:16
Dec 19 20:38:31.940 INFO [stderr]    |
Dec 19 20:38:31.940 INFO [stderr] 93 | fn handle_pong(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 19 20:38:31.940 INFO [stderr]    |                ^^^ help: consider using `_msg` instead
Dec 19 20:38:31.940 INFO [stderr] 
Dec 19 20:38:31.940 INFO [stderr] warning: unused variable: `msg`
Dec 19 20:38:31.940 INFO [stderr]    --> src/main.rs:104:19
Dec 19 20:38:31.940 INFO [stderr]     |
Dec 19 20:38:31.940 INFO [stderr] 104 | fn handle_default(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 19 20:38:31.940 INFO [stderr]     |                   ^^^ help: consider using `_msg` instead
Dec 19 20:38:31.940 INFO [stderr] 
Dec 19 20:38:32.062 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.11s
Dec 19 20:38:32.708 INFO running `"docker" "inspect" "181bb76c1507bfcd1d86dfd872d3828c1ba6e7737ced3ca247e36727150967be"`
Dec 19 20:38:32.794 INFO running `"docker" "rm" "-f" "181bb76c1507bfcd1d86dfd872d3828c1ba6e7737ced3ca247e36727150967be"`
Dec 19 20:38:32.914 INFO [stdout] 181bb76c1507bfcd1d86dfd872d3828c1ba6e7737ced3ca247e36727150967be