Dec 18 04:09:59.025 INFO checking alishir/ping-pong against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 04:09:59.025 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 04:09:59.271 INFO [stdout] b89428ce1be6d9abbe24c35fbf6c891122a557c0985429584b134567d5eae8bc
Dec 18 04:09:59.273 INFO running `"docker" "start" "-a" "b89428ce1be6d9abbe24c35fbf6c891122a557c0985429584b134567d5eae8bc"`
Dec 18 04:10:00.675 INFO [stderr]     Checking ping-ack-pong v0.1.0 (/opt/crater/workdir)
Dec 18 04:10:02.968 INFO [stderr] warning: unused import: `tokio::prelude`
Dec 18 04:10:02.968 INFO [stderr]   --> src/main.rs:13:5
Dec 18 04:10:02.968 INFO [stderr]    |
Dec 18 04:10:02.968 INFO [stderr] 13 | use tokio::prelude::*;
Dec 18 04:10:02.968 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 18 04:10:02.968 INFO [stderr]    |
Dec 18 04:10:02.968 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 04:10:02.968 INFO [stderr] 
Dec 18 04:10:02.973 INFO [stderr] warning: unused variable: `msg`
Dec 18 04:10:02.973 INFO [stderr]   --> src/main.rs:77:16
Dec 18 04:10:02.973 INFO [stderr]    |
Dec 18 04:10:02.973 INFO [stderr] 77 | fn handle_ping(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 18 04:10:02.973 INFO [stderr]    |                ^^^ help: consider using `_msg` instead
Dec 18 04:10:02.973 INFO [stderr]    |
Dec 18 04:10:02.973 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 04:10:02.973 INFO [stderr] 
Dec 18 04:10:02.973 INFO [stderr] warning: unused variable: `msg`
Dec 18 04:10:02.973 INFO [stderr]   --> src/main.rs:93:16
Dec 18 04:10:02.973 INFO [stderr]    |
Dec 18 04:10:02.973 INFO [stderr] 93 | fn handle_pong(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 18 04:10:02.973 INFO [stderr]    |                ^^^ help: consider using `_msg` instead
Dec 18 04:10:02.973 INFO [stderr] 
Dec 18 04:10:02.976 INFO [stderr] warning: unused variable: `msg`
Dec 18 04:10:02.976 INFO [stderr]    --> src/main.rs:104:19
Dec 18 04:10:02.976 INFO [stderr]     |
Dec 18 04:10:02.976 INFO [stderr] 104 | fn handle_default(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 18 04:10:02.976 INFO [stderr]     |                   ^^^ help: consider using `_msg` instead
Dec 18 04:10:02.976 INFO [stderr] 
Dec 18 04:10:03.132 INFO [stderr] warning: unused import: `tokio::prelude`
Dec 18 04:10:03.132 INFO [stderr]   --> src/main.rs:13:5
Dec 18 04:10:03.132 INFO [stderr]    |
Dec 18 04:10:03.132 INFO [stderr] 13 | use tokio::prelude::*;
Dec 18 04:10:03.132 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 18 04:10:03.133 INFO [stderr]    |
Dec 18 04:10:03.133 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 04:10:03.133 INFO [stderr] 
Dec 18 04:10:03.136 INFO [stderr] warning: unused variable: `msg`
Dec 18 04:10:03.136 INFO [stderr]   --> src/main.rs:77:16
Dec 18 04:10:03.136 INFO [stderr]    |
Dec 18 04:10:03.136 INFO [stderr] 77 | fn handle_ping(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 18 04:10:03.136 INFO [stderr]    |                ^^^ help: consider using `_msg` instead
Dec 18 04:10:03.136 INFO [stderr]    |
Dec 18 04:10:03.136 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 04:10:03.137 INFO [stderr] 
Dec 18 04:10:03.137 INFO [stderr] warning: unused variable: `msg`
Dec 18 04:10:03.137 INFO [stderr]   --> src/main.rs:93:16
Dec 18 04:10:03.137 INFO [stderr]    |
Dec 18 04:10:03.137 INFO [stderr] 93 | fn handle_pong(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 18 04:10:03.137 INFO [stderr]    |                ^^^ help: consider using `_msg` instead
Dec 18 04:10:03.137 INFO [stderr] 
Dec 18 04:10:03.137 INFO [stderr] warning: unused variable: `msg`
Dec 18 04:10:03.137 INFO [stderr]    --> src/main.rs:104:19
Dec 18 04:10:03.137 INFO [stderr]     |
Dec 18 04:10:03.137 INFO [stderr] 104 | fn handle_default(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 18 04:10:03.137 INFO [stderr]     |                   ^^^ help: consider using `_msg` instead
Dec 18 04:10:03.137 INFO [stderr] 
Dec 18 04:10:03.213 INFO [stderr] warning: unused variable: `size`
Dec 18 04:10:03.213 INFO [stderr]   --> src/ping_agg2.rs:28:36
Dec 18 04:10:03.213 INFO [stderr]    |
Dec 18 04:10:03.213 INFO [stderr] 28 |                         .map(move |size| println!("buf is: {:?}", buf))
Dec 18 04:10:03.213 INFO [stderr]    |                                    ^^^^ help: consider using `_size` instead
Dec 18 04:10:03.213 INFO [stderr]    |
Dec 18 04:10:03.213 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 04:10:03.213 INFO [stderr] 
Dec 18 04:10:03.213 INFO [stderr] warning: unused variable: `e`
Dec 18 04:10:03.213 INFO [stderr]   --> src/ping_agg2.rs:37:25
Dec 18 04:10:03.213 INFO [stderr]    |
Dec 18 04:10:03.213 INFO [stderr] 37 |                     Err(e) => println!("here is p"),
Dec 18 04:10:03.213 INFO [stderr]    |                         ^ help: consider using `_e` instead
Dec 18 04:10:03.213 INFO [stderr] 
Dec 18 04:10:03.468 INFO [stderr] warning: unused variable: `size`
Dec 18 04:10:03.468 INFO [stderr]   --> src/ping_agg2.rs:28:36
Dec 18 04:10:03.468 INFO [stderr]    |
Dec 18 04:10:03.468 INFO [stderr] 28 |                         .map(move |size| println!("buf is: {:?}", buf))
Dec 18 04:10:03.468 INFO [stderr]    |                                    ^^^^ help: consider using `_size` instead
Dec 18 04:10:03.468 INFO [stderr]    |
Dec 18 04:10:03.468 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 04:10:03.468 INFO [stderr] 
Dec 18 04:10:03.468 INFO [stderr] warning: unused variable: `e`
Dec 18 04:10:03.468 INFO [stderr]   --> src/ping_agg2.rs:37:25
Dec 18 04:10:03.468 INFO [stderr]    |
Dec 18 04:10:03.468 INFO [stderr] 37 |                     Err(e) => println!("here is p"),
Dec 18 04:10:03.468 INFO [stderr]    |                         ^ help: consider using `_e` instead
Dec 18 04:10:03.468 INFO [stderr] 
Dec 18 04:10:04.036 INFO [stderr] warning: unused variable: `size`
Dec 18 04:10:04.036 INFO [stderr]   --> src/ping_agg.rs:30:40
Dec 18 04:10:04.036 INFO [stderr]    |
Dec 18 04:10:04.036 INFO [stderr] 30 |                             .map(move |size| println!("buf is: {:?}", buf))
Dec 18 04:10:04.036 INFO [stderr]    |                                        ^^^^ help: consider using `_size` instead
Dec 18 04:10:04.036 INFO [stderr]    |
Dec 18 04:10:04.036 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 04:10:04.036 INFO [stderr] 
Dec 18 04:10:04.089 INFO [stderr] warning: unused variable: `size`
Dec 18 04:10:04.089 INFO [stderr]   --> src/ping_agg.rs:30:40
Dec 18 04:10:04.089 INFO [stderr]    |
Dec 18 04:10:04.089 INFO [stderr] 30 |                             .map(move |size| println!("buf is: {:?}", buf))
Dec 18 04:10:04.089 INFO [stderr]    |                                        ^^^^ help: consider using `_size` instead
Dec 18 04:10:04.089 INFO [stderr]    |
Dec 18 04:10:04.089 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 04:10:04.089 INFO [stderr] 
Dec 18 04:10:04.142 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.64s
Dec 18 04:10:04.570 INFO running `"docker" "inspect" "b89428ce1be6d9abbe24c35fbf6c891122a557c0985429584b134567d5eae8bc"`
Dec 18 04:10:04.878 INFO running `"docker" "rm" "-f" "b89428ce1be6d9abbe24c35fbf6c891122a557c0985429584b134567d5eae8bc"`
Dec 18 04:10:05.038 INFO [stdout] b89428ce1be6d9abbe24c35fbf6c891122a557c0985429584b134567d5eae8bc