Nov 16 17:57:46.742 INFO testing nooberfsh/heartbeat against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 17:57:46.744 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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 16 17:57:47.173 INFO [stdout] 37242d33b8285036610878da01a8bda88496d158a131c0758ff25b1f8a98ad3f
Nov 16 17:57:47.175 INFO running `"docker" "start" "-a" "37242d33b8285036610878da01a8bda88496d158a131c0758ff25b1f8a98ad3f"`
Nov 16 17:57:48.063 INFO [stderr] usermod: no changes
Nov 16 17:57:48.175 INFO [stderr]    Compiling net2 v0.2.31
Nov 16 17:57:48.176 INFO [stderr]    Compiling tokio-io v0.1.3
Nov 16 17:57:49.971 INFO [stderr]    Compiling mio v0.6.11
Nov 16 17:57:52.995 INFO [stderr]    Compiling tokio-core v0.1.10
Nov 16 17:57:55.707 INFO [stderr]    Compiling test-tokio v0.1.0 (/source)
Nov 16 17:57:56.159 INFO [stderr] warning: unused import: `tokio_io::AsyncRead`
Nov 16 17:57:56.160 INFO [stderr]   --> src/main.rs:19:5
Nov 16 17:57:56.160 INFO [stderr]    |
Nov 16 17:57:56.160 INFO [stderr] 19 | use tokio_io::AsyncRead;
Nov 16 17:57:56.161 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 16 17:57:56.161 INFO [stderr]    |
Nov 16 17:57:56.161 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 16 17:57:56.161 INFO [stderr] 
Nov 16 17:57:56.244 INFO [stderr] warning: method is never used: `conns_num`
Nov 16 17:57:56.244 INFO [stderr]    --> src/main.rs:103:5
Nov 16 17:57:56.244 INFO [stderr]     |
Nov 16 17:57:56.244 INFO [stderr] 103 |     fn conns_num(&self) -> usize {
Nov 16 17:57:56.244 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:57:56.244 INFO [stderr]     |
Nov 16 17:57:56.244 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 16 17:57:56.244 INFO [stderr] 
Nov 16 17:57:56.244 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 16 17:57:56.245 INFO [stderr]  --> src/main.rs:1:12
Nov 16 17:57:56.245 INFO [stderr]   |
Nov 16 17:57:56.245 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Nov 16 17:57:56.245 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:57:56.245 INFO [stderr]   |
Nov 16 17:57:56.245 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 16 17:57:56.245 INFO [stderr] 
Nov 16 17:57:57.538 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.45s
Nov 16 17:57:57.542 INFO [stderr] su: No module specific data is present
Nov 16 17:57:58.314 INFO running `"docker" "inspect" "37242d33b8285036610878da01a8bda88496d158a131c0758ff25b1f8a98ad3f"`
Nov 16 17:57:58.676 INFO running `"docker" "rm" "-f" "37242d33b8285036610878da01a8bda88496d158a131c0758ff25b1f8a98ad3f"`
Nov 16 17:57:58.993 INFO [stdout] 37242d33b8285036610878da01a8bda88496d158a131c0758ff25b1f8a98ad3f
Nov 16 17:57:58.997 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-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 16 17:57:59.469 INFO [stdout] a6eff040f4c2d6a58ba0a607a98d1237cfa0f92bf20f739a3977083fd0fadf51
Nov 16 17:57:59.473 INFO running `"docker" "start" "-a" "a6eff040f4c2d6a58ba0a607a98d1237cfa0f92bf20f739a3977083fd0fadf51"`
Nov 16 17:58:00.009 INFO [stderr] usermod: no changes
Nov 16 17:58:00.064 INFO [stderr]    Compiling test-tokio v0.1.0 (/source)
Nov 16 17:58:00.510 INFO [stderr] warning: unused import: `tokio_io::AsyncRead`
Nov 16 17:58:00.510 INFO [stderr]   --> src/main.rs:19:5
Nov 16 17:58:00.510 INFO [stderr]    |
Nov 16 17:58:00.510 INFO [stderr] 19 | use tokio_io::AsyncRead;
Nov 16 17:58:00.510 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 16 17:58:00.510 INFO [stderr]    |
Nov 16 17:58:00.510 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 16 17:58:00.510 INFO [stderr] 
Nov 16 17:58:00.584 INFO [stderr] warning: method is never used: `conns_num`
Nov 16 17:58:00.584 INFO [stderr]    --> src/main.rs:103:5
Nov 16 17:58:00.584 INFO [stderr]     |
Nov 16 17:58:00.584 INFO [stderr] 103 |     fn conns_num(&self) -> usize {
Nov 16 17:58:00.584 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:58:00.584 INFO [stderr]     |
Nov 16 17:58:00.584 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 16 17:58:00.584 INFO [stderr] 
Nov 16 17:58:00.584 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 16 17:58:00.584 INFO [stderr]  --> src/main.rs:1:12
Nov 16 17:58:00.584 INFO [stderr]   |
Nov 16 17:58:00.584 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Nov 16 17:58:00.584 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 17:58:00.584 INFO [stderr]   |
Nov 16 17:58:00.584 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 16 17:58:00.584 INFO [stderr] 
Nov 16 17:58:00.850 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Nov 16 17:58:00.854 INFO [stderr] su: No module specific data is present
Nov 16 17:58:01.142 INFO running `"docker" "inspect" "a6eff040f4c2d6a58ba0a607a98d1237cfa0f92bf20f739a3977083fd0fadf51"`
Nov 16 17:58:01.221 INFO running `"docker" "rm" "-f" "a6eff040f4c2d6a58ba0a607a98d1237cfa0f92bf20f739a3977083fd0fadf51"`
Nov 16 17:58:01.318 INFO [stdout] a6eff040f4c2d6a58ba0a607a98d1237cfa0f92bf20f739a3977083fd0fadf51
Nov 16 17:58:01.320 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-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 16 17:58:01.495 INFO [stdout] 970355130a8693f55afa67c77db67e3246f83748d5b5544f0601027bdd3a3c32
Nov 16 17:58:01.501 INFO running `"docker" "start" "-a" "970355130a8693f55afa67c77db67e3246f83748d5b5544f0601027bdd3a3c32"`
Nov 16 17:58:01.891 INFO [stderr] usermod: no changes
Nov 16 17:58:01.954 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Nov 16 17:58:01.955 INFO [stderr]      Running /target/debug/deps/test_tokio-19e6e0ddd30fa16f
Nov 16 17:58:01.960 INFO [stdout] 
Nov 16 17:58:01.960 INFO [stdout] running 0 tests
Nov 16 17:58:01.960 INFO [stdout] 
Nov 16 17:58:01.960 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 17:58:01.960 INFO [stdout] 
Nov 16 17:58:01.962 INFO [stderr] su: No module specific data is present
Nov 16 17:58:02.389 INFO running `"docker" "inspect" "970355130a8693f55afa67c77db67e3246f83748d5b5544f0601027bdd3a3c32"`
Nov 16 17:58:02.472 INFO running `"docker" "rm" "-f" "970355130a8693f55afa67c77db67e3246f83748d5b5544f0601027bdd3a3c32"`
Nov 16 17:58:02.539 INFO [stdout] 970355130a8693f55afa67c77db67e3246f83748d5b5544f0601027bdd3a3c32