Nov 27 23:32:05.121 INFO checking nooberfsh/heartbeat against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 23:32:05.121 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 27 23:32:05.614 INFO [stdout] d62c6aa5eb465563155a95d77f4e5891ece8897b6eca377ab43af1a0a60b9e84
Nov 27 23:32:05.614 INFO running `"docker" "start" "-a" "d62c6aa5eb465563155a95d77f4e5891ece8897b6eca377ab43af1a0a60b9e84"`
Nov 27 23:32:06.804 INFO [stderr] usermod: no changes
Nov 27 23:32:06.912 INFO [stderr]     Checking iovec v0.1.1
Nov 27 23:32:06.912 INFO [stderr]     Checking net2 v0.2.31
Nov 27 23:32:07.316 INFO [stderr]     Checking bytes v0.4.5
Nov 27 23:32:07.860 INFO [stderr]     Checking mio v0.6.11
Nov 27 23:32:08.964 INFO [stderr]     Checking tokio-io v0.1.3
Nov 27 23:32:10.260 INFO [stderr]     Checking tokio-core v0.1.10
Nov 27 23:32:11.624 INFO [stderr]     Checking test-tokio v0.1.0 (/source)
Nov 27 23:32:12.356 INFO [stderr] warning: unused import: `tokio_io::AsyncRead`
Nov 27 23:32:12.356 INFO [stderr]   --> src/main.rs:19:5
Nov 27 23:32:12.356 INFO [stderr]    |
Nov 27 23:32:12.356 INFO [stderr] 19 | use tokio_io::AsyncRead;
Nov 27 23:32:12.356 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 27 23:32:12.356 INFO [stderr]    |
Nov 27 23:32:12.356 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 27 23:32:12.356 INFO [stderr] 
Nov 27 23:32:12.356 INFO [stderr] warning: unused import: `tokio_io::AsyncRead`
Nov 27 23:32:12.356 INFO [stderr]   --> src/main.rs:19:5
Nov 27 23:32:12.356 INFO [stderr]    |
Nov 27 23:32:12.356 INFO [stderr] 19 | use tokio_io::AsyncRead;
Nov 27 23:32:12.356 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 27 23:32:12.356 INFO [stderr]    |
Nov 27 23:32:12.356 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 27 23:32:12.356 INFO [stderr] 
Nov 27 23:32:12.460 INFO [stderr] warning: method is never used: `conns_num`
Nov 27 23:32:12.460 INFO [stderr]    --> src/main.rs:103:5
Nov 27 23:32:12.460 INFO [stderr]     |
Nov 27 23:32:12.460 INFO [stderr] 103 |     fn conns_num(&self) -> usize {
Nov 27 23:32:12.460 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 23:32:12.460 INFO [stderr]     |
Nov 27 23:32:12.460 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 27 23:32:12.460 INFO [stderr] 
Nov 27 23:32:12.460 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 27 23:32:12.460 INFO [stderr]  --> src/main.rs:1:12
Nov 27 23:32:12.460 INFO [stderr]   |
Nov 27 23:32:12.460 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Nov 27 23:32:12.460 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 23:32:12.461 INFO [stderr]   |
Nov 27 23:32:12.461 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 27 23:32:12.461 INFO [stderr] 
Nov 27 23:32:12.508 INFO [stderr] warning: method is never used: `conns_num`
Nov 27 23:32:12.508 INFO [stderr]    --> src/main.rs:103:5
Nov 27 23:32:12.508 INFO [stderr]     |
Nov 27 23:32:12.508 INFO [stderr] 103 |     fn conns_num(&self) -> usize {
Nov 27 23:32:12.508 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 23:32:12.508 INFO [stderr]     |
Nov 27 23:32:12.508 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 27 23:32:12.508 INFO [stderr] 
Nov 27 23:32:12.508 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 27 23:32:12.508 INFO [stderr]  --> src/main.rs:1:12
Nov 27 23:32:12.508 INFO [stderr]   |
Nov 27 23:32:12.508 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Nov 27 23:32:12.508 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 23:32:12.508 INFO [stderr]   |
Nov 27 23:32:12.508 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 27 23:32:12.508 INFO [stderr] 
Nov 27 23:32:12.536 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.70s
Nov 27 23:32:12.548 INFO [stderr] su: No module specific data is present
Nov 27 23:32:13.098 INFO running `"docker" "inspect" "d62c6aa5eb465563155a95d77f4e5891ece8897b6eca377ab43af1a0a60b9e84"`
Nov 27 23:32:13.414 INFO running `"docker" "rm" "-f" "d62c6aa5eb465563155a95d77f4e5891ece8897b6eca377ab43af1a0a60b9e84"`
Nov 27 23:32:13.708 INFO [stdout] d62c6aa5eb465563155a95d77f4e5891ece8897b6eca377ab43af1a0a60b9e84