Nov 25 16:43:00.145 INFO testing daogangtang/learn-tokio against beta-2018-11-24 for beta-1.31-4
Nov 25 16:43:00.146 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-4/worker-5/beta-2018-11-24:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-4/beta-2018-11-24:/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 +beta-2018-11-24 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 25 16:43:00.641 INFO [stdout] bac7502aca5c9ee350b248c90071d9fb24b4310f07321d20b7867c53169d046a
Nov 25 16:43:00.646 INFO running `"docker" "start" "-a" "bac7502aca5c9ee350b248c90071d9fb24b4310f07321d20b7867c53169d046a"`
Nov 25 16:43:02.499 INFO [stderr] usermod: no changes
Nov 25 16:43:02.751 INFO [stderr]    Compiling learn-tokio0 v0.1.0 (/source)
Nov 25 16:43:13.780 INFO [stderr] warning: unused import: `futures::try_ready`
Nov 25 16:43:13.780 INFO [stderr]  --> src/concurrent_send_recv.rs:7:5
Nov 25 16:43:13.780 INFO [stderr]   |
Nov 25 16:43:13.780 INFO [stderr] 7 | use futures::try_ready;
Nov 25 16:43:13.780 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 25 16:43:13.780 INFO [stderr]   |
Nov 25 16:43:13.780 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 25 16:43:13.780 INFO [stderr] 
Nov 25 16:43:14.588 INFO [stderr] warning: unused import: `futures::try_ready`
Nov 25 16:43:14.589 INFO [stderr]  --> src/concurrent_send_recv2.rs:7:5
Nov 25 16:43:14.589 INFO [stderr]   |
Nov 25 16:43:14.589 INFO [stderr] 7 | use futures::try_ready;
Nov 25 16:43:14.589 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 25 16:43:14.589 INFO [stderr]   |
Nov 25 16:43:14.589 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 25 16:43:14.589 INFO [stderr] 
Nov 25 16:43:14.764 INFO [stderr] warning: unused variable: `e`
Nov 25 16:43:14.764 INFO [stderr]   --> src/tcp_server3.rs:29:31
Nov 25 16:43:14.764 INFO [stderr]    |
Nov 25 16:43:14.764 INFO [stderr] 29 |                     .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!"))
Nov 25 16:43:14.764 INFO [stderr]    |                               ^ help: consider using `_e` instead
Nov 25 16:43:14.764 INFO [stderr]    |
Nov 25 16:43:14.764 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 25 16:43:14.764 INFO [stderr] 
Nov 25 16:43:14.916 INFO [stderr] warning: unused import: `tokio::io`
Nov 25 16:43:14.916 INFO [stderr]  --> src/tcp_server.rs:5:5
Nov 25 16:43:14.916 INFO [stderr]   |
Nov 25 16:43:14.916 INFO [stderr] 5 | use tokio::io;
Nov 25 16:43:14.916 INFO [stderr]   |     ^^^^^^^^^
Nov 25 16:43:14.932 INFO [stderr]   |
Nov 25 16:43:14.932 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 25 16:43:14.932 INFO [stderr] 
Nov 25 16:43:15.442 INFO [stderr] warning: unused import: `tokio::prelude`
Nov 25 16:43:15.442 INFO [stderr]  --> src/tcp_server.rs:7:5
Nov 25 16:43:15.442 INFO [stderr]   |
Nov 25 16:43:15.442 INFO [stderr] 7 | use tokio::prelude::*;
Nov 25 16:43:15.442 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 25 16:43:15.475 INFO [stderr] 
Nov 25 16:43:15.476 INFO [stderr] warning: unused variable: `e`
Nov 25 16:43:15.476 INFO [stderr]   --> src/tcp_server.rs:37:31
Nov 25 16:43:15.476 INFO [stderr]    |
Nov 25 16:43:15.476 INFO [stderr] 37 |                     .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!"))
Nov 25 16:43:15.476 INFO [stderr]    |                               ^ help: consider using `_e` instead
Nov 25 16:43:15.484 INFO [stderr]    |
Nov 25 16:43:15.484 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 25 16:43:15.484 INFO [stderr] 
Nov 25 16:43:31.441 INFO [stderr] warning: unused variable: `stdout`
Nov 25 16:43:31.441 INFO [stderr]   --> src/tcp_client.rs:12:13
Nov 25 16:43:31.442 INFO [stderr]    |
Nov 25 16:43:31.442 INFO [stderr] 12 |     let mut stdout = io::stdout();
Nov 25 16:43:31.442 INFO [stderr]    |             ^^^^^^ help: consider using `_stdout` instead
Nov 25 16:43:31.442 INFO [stderr]    |
Nov 25 16:43:31.443 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 25 16:43:31.443 INFO [stderr] 
Nov 25 16:43:31.532 INFO [stderr] warning: variable does not need to be mutable
Nov 25 16:43:31.532 INFO [stderr]   --> src/tcp_client.rs:12:9
Nov 25 16:43:31.532 INFO [stderr]    |
Nov 25 16:43:31.532 INFO [stderr] 12 |     let mut stdout = io::stdout();
Nov 25 16:43:31.532 INFO [stderr]    |         ----^^^^^^
Nov 25 16:43:31.532 INFO [stderr]    |         |
Nov 25 16:43:31.532 INFO [stderr]    |         help: remove this `mut`
Nov 25 16:43:31.532 INFO [stderr]    |
Nov 25 16:43:31.532 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 25 16:43:31.532 INFO [stderr] 
Nov 25 16:43:34.796 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.27s
Nov 25 16:43:34.804 INFO [stderr] su: No module specific data is present
Nov 25 16:43:35.874 INFO running `"docker" "inspect" "bac7502aca5c9ee350b248c90071d9fb24b4310f07321d20b7867c53169d046a"`
Nov 25 16:43:36.121 INFO running `"docker" "rm" "-f" "bac7502aca5c9ee350b248c90071d9fb24b4310f07321d20b7867c53169d046a"`
Nov 25 16:43:36.488 INFO [stdout] bac7502aca5c9ee350b248c90071d9fb24b4310f07321d20b7867c53169d046a
Nov 25 16:43:36.494 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-4/worker-5/beta-2018-11-24:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-4/beta-2018-11-24:/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 +beta-2018-11-24 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 25 16:43:36.860 INFO [stdout] 44d05c9ec135dca392cc584880d21df5fb67e0a3177e14cbb4d13ce322cc046d
Nov 25 16:43:36.863 INFO running `"docker" "start" "-a" "44d05c9ec135dca392cc584880d21df5fb67e0a3177e14cbb4d13ce322cc046d"`
Nov 25 16:43:38.380 INFO [stderr] usermod: no changes
Nov 25 16:43:38.606 INFO [stderr]    Compiling learn-tokio0 v0.1.0 (/source)
Nov 25 16:43:49.124 INFO [stderr] warning: unused variable: `e`
Nov 25 16:43:49.124 INFO [stderr]   --> src/tcp_server3.rs:29:31
Nov 25 16:43:49.124 INFO [stderr]    |
Nov 25 16:43:49.124 INFO [stderr] 29 |                     .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!"))
Nov 25 16:43:49.124 INFO [stderr]    |                               ^ help: consider using `_e` instead
Nov 25 16:43:49.124 INFO [stderr]    |
Nov 25 16:43:49.124 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 25 16:43:49.124 INFO [stderr] 
Nov 25 16:43:50.360 INFO [stderr] warning: unused import: `futures::try_ready`
Nov 25 16:43:50.360 INFO [stderr]  --> src/concurrent_send_recv2.rs:7:5
Nov 25 16:43:50.360 INFO [stderr]   |
Nov 25 16:43:50.360 INFO [stderr] 7 | use futures::try_ready;
Nov 25 16:43:50.360 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 25 16:43:50.360 INFO [stderr]   |
Nov 25 16:43:50.360 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 25 16:43:50.360 INFO [stderr] 
Nov 25 16:43:51.316 INFO [stderr] warning: unused import: `tokio::io`
Nov 25 16:43:51.316 INFO [stderr]  --> src/tcp_server.rs:5:5
Nov 25 16:43:51.316 INFO [stderr]   |
Nov 25 16:43:51.316 INFO [stderr] 5 | use tokio::io;
Nov 25 16:43:51.316 INFO [stderr]   |     ^^^^^^^^^
Nov 25 16:43:51.316 INFO [stderr]   |
Nov 25 16:43:51.316 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 25 16:43:51.316 INFO [stderr] 
Nov 25 16:43:51.828 INFO [stderr] warning: unused import: `tokio::prelude`
Nov 25 16:43:51.829 INFO [stderr]  --> src/tcp_server.rs:7:5
Nov 25 16:43:51.829 INFO [stderr]   |
Nov 25 16:43:51.829 INFO [stderr] 7 | use tokio::prelude::*;
Nov 25 16:43:51.830 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 25 16:43:51.840 INFO [stderr] 
Nov 25 16:43:51.841 INFO [stderr] warning: unused variable: `e`
Nov 25 16:43:51.841 INFO [stderr]   --> src/tcp_server.rs:37:31
Nov 25 16:43:51.841 INFO [stderr]    |
Nov 25 16:43:51.842 INFO [stderr] 37 |                     .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!"))
Nov 25 16:43:51.842 INFO [stderr]    |                               ^ help: consider using `_e` instead
Nov 25 16:43:51.857 INFO [stderr]    |
Nov 25 16:43:51.857 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 25 16:43:51.858 INFO [stderr] 
Nov 25 16:43:54.876 INFO [stderr] warning: unused variable: `stdout`
Nov 25 16:43:54.876 INFO [stderr]   --> src/tcp_client.rs:12:13
Nov 25 16:43:54.876 INFO [stderr]    |
Nov 25 16:43:54.876 INFO [stderr] 12 |     let mut stdout = io::stdout();
Nov 25 16:43:54.876 INFO [stderr]    |             ^^^^^^ help: consider using `_stdout` instead
Nov 25 16:43:54.888 INFO [stderr]    |
Nov 25 16:43:54.888 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 25 16:43:54.888 INFO [stderr] 
Nov 25 16:43:54.948 INFO [stderr] warning: variable does not need to be mutable
Nov 25 16:43:54.948 INFO [stderr]   --> src/tcp_client.rs:12:9
Nov 25 16:43:54.948 INFO [stderr]    |
Nov 25 16:43:54.948 INFO [stderr] 12 |     let mut stdout = io::stdout();
Nov 25 16:43:54.948 INFO [stderr]    |         ----^^^^^^
Nov 25 16:43:54.948 INFO [stderr]    |         |
Nov 25 16:43:54.948 INFO [stderr]    |         help: remove this `mut`
Nov 25 16:43:54.976 INFO [stderr]    |
Nov 25 16:43:54.976 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 25 16:43:54.976 INFO [stderr] 
Nov 25 16:43:59.642 INFO [stderr] warning: unused import: `futures::try_ready`
Nov 25 16:43:59.642 INFO [stderr]  --> src/concurrent_send_recv.rs:7:5
Nov 25 16:43:59.642 INFO [stderr]   |
Nov 25 16:43:59.642 INFO [stderr] 7 | use futures::try_ready;
Nov 25 16:43:59.642 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 25 16:43:59.642 INFO [stderr]   |
Nov 25 16:43:59.642 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 25 16:43:59.642 INFO [stderr] 
Nov 25 16:44:01.380 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.94s
Nov 25 16:44:01.380 INFO [stderr] su: No module specific data is present
Nov 25 16:44:02.128 INFO running `"docker" "inspect" "44d05c9ec135dca392cc584880d21df5fb67e0a3177e14cbb4d13ce322cc046d"`
Nov 25 16:44:02.508 INFO running `"docker" "rm" "-f" "44d05c9ec135dca392cc584880d21df5fb67e0a3177e14cbb4d13ce322cc046d"`
Nov 25 16:44:02.784 INFO [stdout] 44d05c9ec135dca392cc584880d21df5fb67e0a3177e14cbb4d13ce322cc046d
Nov 25 16:44:02.791 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-4/worker-5/beta-2018-11-24:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-4/beta-2018-11-24:/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 +beta-2018-11-24 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 25 16:44:03.220 INFO [stdout] 09d218b97d70a8cfae78d25dc8cf1c0a101fa0f30e7dd7c7cf2c652961238823
Nov 25 16:44:03.224 INFO running `"docker" "start" "-a" "09d218b97d70a8cfae78d25dc8cf1c0a101fa0f30e7dd7c7cf2c652961238823"`
Nov 25 16:44:04.432 INFO [stderr] usermod: no changes
Nov 25 16:44:04.580 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
Nov 25 16:44:04.588 INFO [stderr]      Running /target/debug/deps/concurrent_interval_print-26ad5fd20ddb535c
Nov 25 16:44:04.588 INFO [stderr]      Running /target/debug/deps/concurrent_send_recv-121d4cc16d304023
Nov 25 16:44:04.589 INFO [stdout] 
Nov 25 16:44:04.589 INFO [stdout] running 0 tests
Nov 25 16:44:04.589 INFO [stdout] 
Nov 25 16:44:04.589 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 25 16:44:04.589 INFO [stdout] 
Nov 25 16:44:04.592 INFO [stdout] 
Nov 25 16:44:04.592 INFO [stdout] running 0 tests
Nov 25 16:44:04.592 INFO [stdout] 
Nov 25 16:44:04.592 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 25 16:44:04.592 INFO [stdout] 
Nov 25 16:44:04.600 INFO [stderr]      Running /target/debug/deps/concurrent_send_recv2-45d33788e05924c9
Nov 25 16:44:04.600 INFO [stderr]      Running /target/debug/deps/delay_print-8cc9fc82782cce7c
Nov 25 16:44:04.600 INFO [stdout] 
Nov 25 16:44:04.600 INFO [stdout] running 0 tests
Nov 25 16:44:04.600 INFO [stdout] 
Nov 25 16:44:04.600 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 25 16:44:04.600 INFO [stdout] 
Nov 25 16:44:04.600 INFO [stdout] 
Nov 25 16:44:04.600 INFO [stdout] running 0 tests
Nov 25 16:44:04.600 INFO [stdout] 
Nov 25 16:44:04.600 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 25 16:44:04.600 INFO [stdout] 
Nov 25 16:44:04.601 INFO [stderr]      Running /target/debug/deps/delay_seq_print-97bbb710af271cf3
Nov 25 16:44:04.604 INFO [stdout] 
Nov 25 16:44:04.604 INFO [stdout] running 0 tests
Nov 25 16:44:04.608 INFO [stdout] 
Nov 25 16:44:04.608 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 25 16:44:04.608 INFO [stdout] 
Nov 25 16:44:04.608 INFO [stdout] 
Nov 25 16:44:04.608 INFO [stdout] running 0 tests
Nov 25 16:44:04.608 INFO [stdout] 
Nov 25 16:44:04.608 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 25 16:44:04.608 INFO [stdout] 
Nov 25 16:44:04.608 INFO [stdout] 
Nov 25 16:44:04.608 INFO [stdout] running 0 tests
Nov 25 16:44:04.608 INFO [stdout] 
Nov 25 16:44:04.608 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 25 16:44:04.608 INFO [stdout] 
Nov 25 16:44:04.608 INFO [stderr]      Running /target/debug/deps/echo_udp-81609ec1e102ce35
Nov 25 16:44:04.608 INFO [stderr]      Running /target/debug/deps/futures_select-c632e3af40d491b6
Nov 25 16:44:04.610 INFO [stderr]      Running /target/debug/deps/interval_print-c2e8f0d375bf3096
Nov 25 16:44:04.610 INFO [stdout] 
Nov 25 16:44:04.610 INFO [stderr]      Running /target/debug/deps/print_each_packet-6fba1ecb39439f61
Nov 25 16:44:04.610 INFO [stdout] running 0 tests
Nov 25 16:44:04.610 INFO [stdout] 
Nov 25 16:44:04.610 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 25 16:44:04.610 INFO [stdout] 
Nov 25 16:44:04.614 INFO [stdout] 
Nov 25 16:44:04.614 INFO [stdout] running 0 tests
Nov 25 16:44:04.614 INFO [stdout] 
Nov 25 16:44:04.614 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 25 16:44:04.614 INFO [stdout] 
Nov 25 16:44:04.617 INFO [stderr]      Running /target/debug/deps/print_lines-17f044bee000c495
Nov 25 16:44:04.632 INFO [stderr]      Running /target/debug/deps/tcp_client-35bb959db9fe8bbe
Nov 25 16:44:04.632 INFO [stderr]      Running /target/debug/deps/tcp_server-e5573f729dc09d61
Nov 25 16:44:04.632 INFO [stderr]      Running /target/debug/deps/tcp_server3-e8b1313fbd8bc8ce
Nov 25 16:44:04.633 INFO [stdout] 
Nov 25 16:44:04.633 INFO [stdout] running 0 tests
Nov 25 16:44:04.633 INFO [stdout] 
Nov 25 16:44:04.633 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 25 16:44:04.633 INFO [stdout] 
Nov 25 16:44:04.633 INFO [stdout] 
Nov 25 16:44:04.633 INFO [stdout] running 0 tests
Nov 25 16:44:04.633 INFO [stdout] 
Nov 25 16:44:04.633 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 25 16:44:04.633 INFO [stdout] 
Nov 25 16:44:04.633 INFO [stdout] 
Nov 25 16:44:04.633 INFO [stdout] running 0 tests
Nov 25 16:44:04.633 INFO [stdout] 
Nov 25 16:44:04.633 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 25 16:44:04.633 INFO [stdout] 
Nov 25 16:44:04.636 INFO [stderr] su: No module specific data is present
Nov 25 16:44:04.636 INFO [stdout] 
Nov 25 16:44:04.636 INFO [stdout] running 0 tests
Nov 25 16:44:04.636 INFO [stdout] 
Nov 25 16:44:04.636 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 25 16:44:04.636 INFO [stdout] 
Nov 25 16:44:05.341 INFO running `"docker" "inspect" "09d218b97d70a8cfae78d25dc8cf1c0a101fa0f30e7dd7c7cf2c652961238823"`
Nov 25 16:44:05.685 INFO running `"docker" "rm" "-f" "09d218b97d70a8cfae78d25dc8cf1c0a101fa0f30e7dd7c7cf2c652961238823"`
Nov 25 16:44:06.112 INFO [stdout] 09d218b97d70a8cfae78d25dc8cf1c0a101fa0f30e7dd7c7cf2c652961238823