Oct 12 16:25:37.175 INFO checking nooberfsh/heartbeat against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 16:25:37.176 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 16:25:37.604 INFO blam! 493f5a58e5ee34f4e780f467440613251684f405a32a79c5e83b4ff442e87c13
Oct 12 16:25:37.608 INFO running `"docker" "start" "-a" "493f5a58e5ee34f4e780f467440613251684f405a32a79c5e83b4ff442e87c13"`
Oct 12 16:25:38.425 INFO kablam! usermod: no changes
Oct 12 16:25:38.524 INFO kablam!     Checking test-tokio v0.1.0 (/source)
Oct 12 16:25:39.336 INFO kablam! warning: unused import: `tokio_io::AsyncRead`
Oct 12 16:25:39.336 INFO kablam!   --> src/main.rs:19:5
Oct 12 16:25:39.336 INFO kablam!    |
Oct 12 16:25:39.336 INFO kablam! 19 | use tokio_io::AsyncRead;
Oct 12 16:25:39.336 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 12 16:25:39.336 INFO kablam!    |
Oct 12 16:25:39.336 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 12 16:25:39.336 INFO kablam! 
Oct 12 16:25:39.420 INFO kablam! warning: unused import: `tokio_io::AsyncRead`
Oct 12 16:25:39.420 INFO kablam!   --> src/main.rs:19:5
Oct 12 16:25:39.420 INFO kablam!    |
Oct 12 16:25:39.420 INFO kablam! 19 | use tokio_io::AsyncRead;
Oct 12 16:25:39.420 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 12 16:25:39.420 INFO kablam!    |
Oct 12 16:25:39.420 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 12 16:25:39.420 INFO kablam! 
Oct 12 16:25:39.472 INFO kablam! warning: method is never used: `conns_num`
Oct 12 16:25:39.472 INFO kablam!    --> src/main.rs:103:5
Oct 12 16:25:39.472 INFO kablam!     |
Oct 12 16:25:39.472 INFO kablam! 103 |     fn conns_num(&self) -> usize {
Oct 12 16:25:39.472 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:25:39.472 INFO kablam!     |
Oct 12 16:25:39.472 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 12 16:25:39.472 INFO kablam! 
Oct 12 16:25:39.472 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 12 16:25:39.472 INFO kablam!  --> src/main.rs:1:12
Oct 12 16:25:39.472 INFO kablam!   |
Oct 12 16:25:39.472 INFO kablam! 1 | #![feature(conservative_impl_trait)]
Oct 12 16:25:39.472 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:25:39.472 INFO kablam!   |
Oct 12 16:25:39.472 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 12 16:25:39.472 INFO kablam! 
Oct 12 16:25:39.612 INFO kablam! warning: method is never used: `conns_num`
Oct 12 16:25:39.612 INFO kablam!    --> src/main.rs:103:5
Oct 12 16:25:39.612 INFO kablam!     |
Oct 12 16:25:39.612 INFO kablam! 103 |     fn conns_num(&self) -> usize {
Oct 12 16:25:39.612 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:25:39.612 INFO kablam!     |
Oct 12 16:25:39.612 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 12 16:25:39.612 INFO kablam! 
Oct 12 16:25:39.612 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 12 16:25:39.612 INFO kablam!  --> src/main.rs:1:12
Oct 12 16:25:39.612 INFO kablam!   |
Oct 12 16:25:39.612 INFO kablam! 1 | #![feature(conservative_impl_trait)]
Oct 12 16:25:39.612 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:25:39.612 INFO kablam!   |
Oct 12 16:25:39.612 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 12 16:25:39.612 INFO kablam! 
Oct 12 16:25:39.684 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
Oct 12 16:25:39.687 INFO kablam! su: No module specific data is present
Oct 12 16:25:40.424 INFO running `"docker" "rm" "-f" "493f5a58e5ee34f4e780f467440613251684f405a32a79c5e83b4ff442e87c13"`
Oct 12 16:25:40.643 INFO blam! 493f5a58e5ee34f4e780f467440613251684f405a32a79c5e83b4ff442e87c13