Nov 29 21:15:02.087 INFO checking nooberfsh/heartbeat against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 21:15:02.087 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 21:15:02.439 INFO [stdout] e7aba2327c06b70948412c23338752a45d225182104efdf0084ad0ccba7ce257
Nov 29 21:15:02.444 INFO running `"docker" "start" "-a" "e7aba2327c06b70948412c23338752a45d225182104efdf0084ad0ccba7ce257"`
Nov 29 21:15:03.524 INFO [stderr] usermod: no changes
Nov 29 21:15:03.660 INFO [stderr]     Checking test-tokio v0.1.0 (/source)
Nov 29 21:15:04.456 INFO [stderr] warning: unused import: `tokio_io::AsyncRead`
Nov 29 21:15:04.456 INFO [stderr]   --> src/main.rs:19:5
Nov 29 21:15:04.456 INFO [stderr]    |
Nov 29 21:15:04.456 INFO [stderr] 19 | use tokio_io::AsyncRead;
Nov 29 21:15:04.456 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 29 21:15:04.456 INFO [stderr]    |
Nov 29 21:15:04.456 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 29 21:15:04.456 INFO [stderr] 
Nov 29 21:15:04.704 INFO [stderr] warning: method is never used: `conns_num`
Nov 29 21:15:04.704 INFO [stderr]    --> src/main.rs:103:5
Nov 29 21:15:04.704 INFO [stderr]     |
Nov 29 21:15:04.704 INFO [stderr] 103 |     fn conns_num(&self) -> usize {
Nov 29 21:15:04.704 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:15:04.740 INFO [stderr]     |
Nov 29 21:15:04.740 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 29 21:15:04.740 INFO [stderr] 
Nov 29 21:15:04.740 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 21:15:04.740 INFO [stderr]  --> src/main.rs:1:12
Nov 29 21:15:04.740 INFO [stderr]   |
Nov 29 21:15:04.740 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Nov 29 21:15:04.740 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:15:04.740 INFO [stderr]   |
Nov 29 21:15:04.740 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 29 21:15:04.744 INFO [stderr] 
Nov 29 21:15:04.824 INFO [stderr] warning: unused import: `tokio_io::AsyncRead`
Nov 29 21:15:04.824 INFO [stderr]   --> src/main.rs:19:5
Nov 29 21:15:04.824 INFO [stderr]    |
Nov 29 21:15:04.824 INFO [stderr] 19 | use tokio_io::AsyncRead;
Nov 29 21:15:04.824 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 29 21:15:04.824 INFO [stderr]    |
Nov 29 21:15:04.824 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 29 21:15:04.824 INFO [stderr] 
Nov 29 21:15:04.964 INFO [stderr] warning: method is never used: `conns_num`
Nov 29 21:15:04.964 INFO [stderr]    --> src/main.rs:103:5
Nov 29 21:15:04.964 INFO [stderr]     |
Nov 29 21:15:04.964 INFO [stderr] 103 |     fn conns_num(&self) -> usize {
Nov 29 21:15:04.964 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:15:04.964 INFO [stderr]     |
Nov 29 21:15:04.964 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 29 21:15:04.964 INFO [stderr] 
Nov 29 21:15:04.964 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 21:15:04.964 INFO [stderr]  --> src/main.rs:1:12
Nov 29 21:15:04.964 INFO [stderr]   |
Nov 29 21:15:04.964 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Nov 29 21:15:04.964 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:15:04.964 INFO [stderr]   |
Nov 29 21:15:04.964 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 29 21:15:04.964 INFO [stderr] 
Nov 29 21:15:04.994 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
Nov 29 21:15:05.000 INFO [stderr] su: No module specific data is present
Nov 29 21:15:06.363 INFO running `"docker" "inspect" "e7aba2327c06b70948412c23338752a45d225182104efdf0084ad0ccba7ce257"`
Nov 29 21:15:06.616 INFO running `"docker" "rm" "-f" "e7aba2327c06b70948412c23338752a45d225182104efdf0084ad0ccba7ce257"`
Nov 29 21:15:06.896 INFO [stdout] e7aba2327c06b70948412c23338752a45d225182104efdf0084ad0ccba7ce257