Dec 11 22:46:45.415 INFO checking alishir/ping-pong against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 22:46:45.415 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-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 11 22:46:45.736 INFO [stdout] 895e7216c5cc4cefcb19940b1b6dd3816440b771edfb672027f9b4acd0001133
Dec 11 22:46:45.742 INFO running `"docker" "start" "-a" "895e7216c5cc4cefcb19940b1b6dd3816440b771edfb672027f9b4acd0001133"`
Dec 11 22:46:46.340 INFO [stderr] usermod: no changes
Dec 11 22:46:46.501 INFO [stderr]     Checking ping-ack-pong v0.1.0 (/source)
Dec 11 22:46:53.460 INFO [stderr] warning: unused import: `tokio::prelude`
Dec 11 22:46:53.460 INFO [stderr]   --> src/main.rs:13:5
Dec 11 22:46:53.460 INFO [stderr]    |
Dec 11 22:46:53.460 INFO [stderr] 13 | use tokio::prelude::*;
Dec 11 22:46:53.460 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 11 22:46:53.460 INFO [stderr]    |
Dec 11 22:46:53.460 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 22:46:53.460 INFO [stderr] 
Dec 11 22:46:53.476 INFO [stderr] warning: unused variable: `msg`
Dec 11 22:46:53.476 INFO [stderr]   --> src/main.rs:77:16
Dec 11 22:46:53.476 INFO [stderr]    |
Dec 11 22:46:53.476 INFO [stderr] 77 | fn handle_ping(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 11 22:46:53.476 INFO [stderr]    |                ^^^ help: consider using `_msg` instead
Dec 11 22:46:53.476 INFO [stderr]    |
Dec 11 22:46:53.476 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 22:46:53.476 INFO [stderr] 
Dec 11 22:46:53.476 INFO [stderr] warning: unused variable: `msg`
Dec 11 22:46:53.476 INFO [stderr]   --> src/main.rs:93:16
Dec 11 22:46:53.476 INFO [stderr]    |
Dec 11 22:46:53.476 INFO [stderr] 93 | fn handle_pong(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 11 22:46:53.476 INFO [stderr]    |                ^^^ help: consider using `_msg` instead
Dec 11 22:46:53.476 INFO [stderr] 
Dec 11 22:46:53.476 INFO [stderr] warning: unused variable: `msg`
Dec 11 22:46:53.476 INFO [stderr]    --> src/main.rs:104:19
Dec 11 22:46:53.476 INFO [stderr]     |
Dec 11 22:46:53.476 INFO [stderr] 104 | fn handle_default(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 11 22:46:53.477 INFO [stderr]     |                   ^^^ help: consider using `_msg` instead
Dec 11 22:46:53.477 INFO [stderr] 
Dec 11 22:46:53.672 INFO [stderr] warning: unused import: `tokio::prelude`
Dec 11 22:46:53.672 INFO [stderr]   --> src/main.rs:13:5
Dec 11 22:46:53.672 INFO [stderr]    |
Dec 11 22:46:53.672 INFO [stderr] 13 | use tokio::prelude::*;
Dec 11 22:46:53.672 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 11 22:46:53.672 INFO [stderr]    |
Dec 11 22:46:53.672 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 22:46:53.672 INFO [stderr] 
Dec 11 22:46:53.672 INFO [stderr] warning: unused variable: `msg`
Dec 11 22:46:53.672 INFO [stderr]   --> src/main.rs:77:16
Dec 11 22:46:53.672 INFO [stderr]    |
Dec 11 22:46:53.672 INFO [stderr] 77 | fn handle_ping(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 11 22:46:53.672 INFO [stderr]    |                ^^^ help: consider using `_msg` instead
Dec 11 22:46:53.672 INFO [stderr]    |
Dec 11 22:46:53.672 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 22:46:53.672 INFO [stderr] 
Dec 11 22:46:53.673 INFO [stderr] warning: unused variable: `msg`
Dec 11 22:46:53.673 INFO [stderr]   --> src/main.rs:93:16
Dec 11 22:46:53.673 INFO [stderr]    |
Dec 11 22:46:53.673 INFO [stderr] 93 | fn handle_pong(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 11 22:46:53.673 INFO [stderr]    |                ^^^ help: consider using `_msg` instead
Dec 11 22:46:53.673 INFO [stderr] 
Dec 11 22:46:53.673 INFO [stderr] warning: unused variable: `msg`
Dec 11 22:46:53.673 INFO [stderr]    --> src/main.rs:104:19
Dec 11 22:46:53.673 INFO [stderr]     |
Dec 11 22:46:53.673 INFO [stderr] 104 | fn handle_default(msg: Msg) -> Box<Stream<Item = Msg, Error = io::Error> + Send> {
Dec 11 22:46:53.673 INFO [stderr]     |                   ^^^ help: consider using `_msg` instead
Dec 11 22:46:53.673 INFO [stderr] 
Dec 11 22:46:54.464 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.11s
Dec 11 22:46:54.471 INFO [stderr] su: No module specific data is present
Dec 11 22:46:54.766 INFO running `"docker" "inspect" "895e7216c5cc4cefcb19940b1b6dd3816440b771edfb672027f9b4acd0001133"`
Dec 11 22:46:54.960 INFO running `"docker" "rm" "-f" "895e7216c5cc4cefcb19940b1b6dd3816440b771edfb672027f9b4acd0001133"`
Dec 11 22:46:55.248 INFO [stdout] 895e7216c5cc4cefcb19940b1b6dd3816440b771edfb672027f9b4acd0001133