Dec 19 20:38:26.250 INFO checking alishir/ping-pong against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 20:38:26.250 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:38:26.524 INFO [stdout] 942ab08a0b6a41420c5fec14272ec2f71ea9bb1411ba2f508817901d0ac990d1
Dec 19 20:38:26.532 INFO running `"docker" "start" "-a" "942ab08a0b6a41420c5fec14272ec2f71ea9bb1411ba2f508817901d0ac990d1"`
Dec 19 20:38:27.716 INFO [stderr]     Checking tokio-reactor v0.1.7
Dec 19 20:38:28.505 INFO [stderr]     Checking tokio-uds v0.2.4
Dec 19 20:38:28.510 INFO [stderr]     Checking tokio-tcp v0.1.2
Dec 19 20:38:28.510 INFO [stderr]     Checking tokio-udp v0.1.3
Dec 19 20:38:29.328 INFO [stderr]     Checking tokio v0.1.13
Dec 19 20:38:30.396 INFO [stderr]     Checking ping-ack-pong v0.1.0 (/opt/crater/workdir)
Dec 19 20:38:31.864 INFO [stderr] warning: unused variable: `size`
Dec 19 20:38:31.864 INFO [stderr]   --> src/ping_agg.rs:30:40
Dec 19 20:38:31.864 INFO [stderr]    |
Dec 19 20:38:31.864 INFO [stderr] 30 |                             .map(move |size| println!("buf is: {:?}", buf))
Dec 19 20:38:31.864 INFO [stderr]    |                                        ^^^^ help: consider using `_size` instead
Dec 19 20:38:31.864 INFO [stderr]    |
Dec 19 20:38:31.864 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:38:31.864 INFO [stderr] 
Dec 19 20:38:31.884 INFO [stderr] warning: unused import: `tokio::prelude`
Dec 19 20:38:31.884 INFO [stderr]   --> src/main.rs:13:5
Dec 19 20:38:31.884 INFO [stderr]    |
Dec 19 20:38:31.884 INFO [stderr] 13 | use tokio::prelude::*;
Dec 19 20:38:31.884 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 19 20:38:31.884 INFO [stderr]    |
Dec 19 20:38:31.884 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 20:38:31.884 INFO [stderr] 
Dec 19 20:38:31.888 INFO [stderr] warning: unused variable: `msg`
Dec 19 20:38:31.888 INFO [stderr]   --> src/main.rs:77:16
Dec 19 20:38:31.888 INFO [stderr]    |
Dec 19 20:38:31.888 INFO [stderr] 77 | fn handle_ping(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 19 20:38:31.888 INFO [stderr]    |                ^^^ help: consider using `_msg` instead
Dec 19 20:38:31.888 INFO [stderr]    |
Dec 19 20:38:31.888 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:38:31.888 INFO [stderr] 
Dec 19 20:38:31.888 INFO [stderr] warning: unused variable: `msg`
Dec 19 20:38:31.888 INFO [stderr]   --> src/main.rs:93:16
Dec 19 20:38:31.888 INFO [stderr]    |
Dec 19 20:38:31.888 INFO [stderr] 93 | fn handle_pong(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 19 20:38:31.888 INFO [stderr]    |                ^^^ help: consider using `_msg` instead
Dec 19 20:38:31.888 INFO [stderr] 
Dec 19 20:38:31.888 INFO [stderr] warning: unused variable: `msg`
Dec 19 20:38:31.888 INFO [stderr]    --> src/main.rs:104:19
Dec 19 20:38:31.888 INFO [stderr]     |
Dec 19 20:38:31.888 INFO [stderr] 104 | fn handle_default(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 19 20:38:31.888 INFO [stderr]     |                   ^^^ help: consider using `_msg` instead
Dec 19 20:38:31.889 INFO [stderr] 
Dec 19 20:38:32.212 INFO [stderr] warning: unused variable: `size`
Dec 19 20:38:32.212 INFO [stderr]   --> src/ping_agg2.rs:28:36
Dec 19 20:38:32.212 INFO [stderr]    |
Dec 19 20:38:32.212 INFO [stderr] 28 |                         .map(move |size| println!("buf is: {:?}", buf))
Dec 19 20:38:32.212 INFO [stderr]    |                                    ^^^^ help: consider using `_size` instead
Dec 19 20:38:32.212 INFO [stderr]    |
Dec 19 20:38:32.212 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:38:32.212 INFO [stderr] 
Dec 19 20:38:32.212 INFO [stderr] warning: unused variable: `e`
Dec 19 20:38:32.212 INFO [stderr]   --> src/ping_agg2.rs:37:25
Dec 19 20:38:32.212 INFO [stderr]    |
Dec 19 20:38:32.212 INFO [stderr] 37 |                     Err(e) => println!("here is p"),
Dec 19 20:38:32.212 INFO [stderr]    |                         ^ help: consider using `_e` instead
Dec 19 20:38:32.212 INFO [stderr] 
Dec 19 20:38:32.364 INFO [stderr] warning: unused variable: `size`
Dec 19 20:38:32.364 INFO [stderr]   --> src/ping_agg.rs:30:40
Dec 19 20:38:32.364 INFO [stderr]    |
Dec 19 20:38:32.364 INFO [stderr] 30 |                             .map(move |size| println!("buf is: {:?}", buf))
Dec 19 20:38:32.364 INFO [stderr]    |                                        ^^^^ help: consider using `_size` instead
Dec 19 20:38:32.364 INFO [stderr]    |
Dec 19 20:38:32.364 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:38:32.364 INFO [stderr] 
Dec 19 20:38:32.420 INFO [stderr] warning: unused variable: `size`
Dec 19 20:38:32.420 INFO [stderr]   --> src/ping_agg2.rs:28:36
Dec 19 20:38:32.420 INFO [stderr]    |
Dec 19 20:38:32.420 INFO [stderr] 28 |                         .map(move |size| println!("buf is: {:?}", buf))
Dec 19 20:38:32.420 INFO [stderr]    |                                    ^^^^ help: consider using `_size` instead
Dec 19 20:38:32.420 INFO [stderr]    |
Dec 19 20:38:32.420 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:38:32.420 INFO [stderr] 
Dec 19 20:38:32.420 INFO [stderr] warning: unused variable: `e`
Dec 19 20:38:32.420 INFO [stderr]   --> src/ping_agg2.rs:37:25
Dec 19 20:38:32.420 INFO [stderr]    |
Dec 19 20:38:32.420 INFO [stderr] 37 |                     Err(e) => println!("here is p"),
Dec 19 20:38:32.420 INFO [stderr]    |                         ^ help: consider using `_e` instead
Dec 19 20:38:32.420 INFO [stderr] 
Dec 19 20:38:32.700 INFO [stderr] warning: unused import: `tokio::prelude`
Dec 19 20:38:32.700 INFO [stderr]   --> src/main.rs:13:5
Dec 19 20:38:32.700 INFO [stderr]    |
Dec 19 20:38:32.700 INFO [stderr] 13 | use tokio::prelude::*;
Dec 19 20:38:32.700 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 19 20:38:32.700 INFO [stderr]    |
Dec 19 20:38:32.700 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 20:38:32.701 INFO [stderr] 
Dec 19 20:38:32.704 INFO [stderr] warning: unused variable: `msg`
Dec 19 20:38:32.704 INFO [stderr]   --> src/main.rs:77:16
Dec 19 20:38:32.705 INFO [stderr]    |
Dec 19 20:38:32.705 INFO [stderr] 77 | fn handle_ping(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 19 20:38:32.705 INFO [stderr]    |                ^^^ help: consider using `_msg` instead
Dec 19 20:38:32.705 INFO [stderr]    |
Dec 19 20:38:32.705 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:38:32.705 INFO [stderr] 
Dec 19 20:38:32.705 INFO [stderr] warning: unused variable: `msg`
Dec 19 20:38:32.705 INFO [stderr]   --> src/main.rs:93:16
Dec 19 20:38:32.705 INFO [stderr]    |
Dec 19 20:38:32.705 INFO [stderr] 93 | fn handle_pong(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 19 20:38:32.705 INFO [stderr]    |                ^^^ help: consider using `_msg` instead
Dec 19 20:38:32.705 INFO [stderr] 
Dec 19 20:38:32.705 INFO [stderr] warning: unused variable: `msg`
Dec 19 20:38:32.705 INFO [stderr]    --> src/main.rs:104:19
Dec 19 20:38:32.705 INFO [stderr]     |
Dec 19 20:38:32.705 INFO [stderr] 104 | fn handle_default(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 19 20:38:32.705 INFO [stderr]     |                   ^^^ help: consider using `_msg` instead
Dec 19 20:38:32.705 INFO [stderr] 
Dec 19 20:38:32.762 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.18s
Dec 19 20:38:33.036 INFO running `"docker" "inspect" "942ab08a0b6a41420c5fec14272ec2f71ea9bb1411ba2f508817901d0ac990d1"`
Dec 19 20:38:33.120 INFO running `"docker" "rm" "-f" "942ab08a0b6a41420c5fec14272ec2f71ea9bb1411ba2f508817901d0ac990d1"`
Dec 19 20:38:33.200 INFO [stdout] 942ab08a0b6a41420c5fec14272ec2f71ea9bb1411ba2f508817901d0ac990d1