Nov 29 21:15:02.509 INFO checking nooberfsh/heartbeat against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 21:15:02.509 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"`
Nov 29 21:15:02.982 INFO [stdout] 4559880e06fa5b307cb19397fc5a32ffaba1b0c4002ecf9e0251ef475294633c
Nov 29 21:15:02.984 INFO running `"docker" "start" "-a" "4559880e06fa5b307cb19397fc5a32ffaba1b0c4002ecf9e0251ef475294633c"`
Nov 29 21:15:04.867 INFO [stderr] usermod: no changes
Nov 29 21:15:05.016 INFO [stderr]     Checking tokio-io v0.1.3
Nov 29 21:15:05.984 INFO [stderr]     Checking tokio-core v0.1.10
Nov 29 21:15:07.509 INFO [stderr]     Checking test-tokio v0.1.0 (/source)
Nov 29 21:15:08.240 INFO [stderr] warning: unused import: `tokio_io::AsyncRead`
Nov 29 21:15:08.240 INFO [stderr]   --> src/main.rs:19:5
Nov 29 21:15:08.240 INFO [stderr]    |
Nov 29 21:15:08.240 INFO [stderr] 19 | use tokio_io::AsyncRead;
Nov 29 21:15:08.240 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 29 21:15:08.240 INFO [stderr]    |
Nov 29 21:15:08.240 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 29 21:15:08.240 INFO [stderr] 
Nov 29 21:15:08.304 INFO [stderr] warning: unused import: `tokio_io::AsyncRead`
Nov 29 21:15:08.304 INFO [stderr]   --> src/main.rs:19:5
Nov 29 21:15:08.304 INFO [stderr]    |
Nov 29 21:15:08.304 INFO [stderr] 19 | use tokio_io::AsyncRead;
Nov 29 21:15:08.304 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 29 21:15:08.304 INFO [stderr]    |
Nov 29 21:15:08.304 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 29 21:15:08.304 INFO [stderr] 
Nov 29 21:15:08.329 INFO [stderr] warning: method is never used: `conns_num`
Nov 29 21:15:08.329 INFO [stderr]    --> src/main.rs:103:5
Nov 29 21:15:08.329 INFO [stderr]     |
Nov 29 21:15:08.329 INFO [stderr] 103 |     fn conns_num(&self) -> usize {
Nov 29 21:15:08.329 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:15:08.329 INFO [stderr]     |
Nov 29 21:15:08.329 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 29 21:15:08.329 INFO [stderr] 
Nov 29 21:15:08.330 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 29 21:15:08.330 INFO [stderr]  --> src/main.rs:1:12
Nov 29 21:15:08.330 INFO [stderr]   |
Nov 29 21:15:08.330 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Nov 29 21:15:08.330 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:15:08.330 INFO [stderr]   |
Nov 29 21:15:08.330 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 29 21:15:08.332 INFO [stderr] 
Nov 29 21:15:08.396 INFO [stderr] warning: method is never used: `conns_num`
Nov 29 21:15:08.396 INFO [stderr]    --> src/main.rs:103:5
Nov 29 21:15:08.396 INFO [stderr]     |
Nov 29 21:15:08.396 INFO [stderr] 103 |     fn conns_num(&self) -> usize {
Nov 29 21:15:08.396 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:15:08.396 INFO [stderr]     |
Nov 29 21:15:08.396 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 29 21:15:08.396 INFO [stderr] 
Nov 29 21:15:08.396 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 29 21:15:08.396 INFO [stderr]  --> src/main.rs:1:12
Nov 29 21:15:08.396 INFO [stderr]   |
Nov 29 21:15:08.396 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Nov 29 21:15:08.396 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:15:08.396 INFO [stderr]   |
Nov 29 21:15:08.396 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 29 21:15:08.396 INFO [stderr] 
Nov 29 21:15:08.444 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.54s
Nov 29 21:15:08.448 INFO [stderr] su: No module specific data is present
Nov 29 21:15:09.228 INFO running `"docker" "inspect" "4559880e06fa5b307cb19397fc5a32ffaba1b0c4002ecf9e0251ef475294633c"`
Nov 29 21:15:09.554 INFO running `"docker" "rm" "-f" "4559880e06fa5b307cb19397fc5a32ffaba1b0c4002ecf9e0251ef475294633c"`
Nov 29 21:15:09.868 INFO [stdout] 4559880e06fa5b307cb19397fc5a32ffaba1b0c4002ecf9e0251ef475294633c