Dec 06 02:31:28.037 INFO testing daogangtang/learn-tokio against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514 Dec 06 02:31:28.038 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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"` Dec 06 02:31:28.600 INFO [stdout] 313e6f924fbb649ff1d99af5ee1b71c3ecb077fe68fa6321e304cc8b7431d75a Dec 06 02:31:28.608 INFO running `"docker" "start" "-a" "313e6f924fbb649ff1d99af5ee1b71c3ecb077fe68fa6321e304cc8b7431d75a"` Dec 06 02:31:30.111 INFO [stderr] usermod: no changes Dec 06 02:31:30.300 INFO [stderr] Compiling learn-tokio0 v0.1.0 (/source) Dec 06 02:31:41.400 INFO [stderr] warning: unused import: `tokio::io` Dec 06 02:31:41.400 INFO [stderr] --> src/tcp_server.rs:5:5 Dec 06 02:31:41.400 INFO [stderr] | Dec 06 02:31:41.400 INFO [stderr] 5 | use tokio::io; Dec 06 02:31:41.400 INFO [stderr] | ^^^^^^^^^ Dec 06 02:31:41.400 INFO [stderr] | Dec 06 02:31:41.401 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 06 02:31:41.401 INFO [stderr] Dec 06 02:31:41.795 INFO [stderr] warning: unused import: `tokio::prelude` Dec 06 02:31:41.795 INFO [stderr] --> src/tcp_server.rs:7:5 Dec 06 02:31:41.795 INFO [stderr] | Dec 06 02:31:41.795 INFO [stderr] 7 | use tokio::prelude::*; Dec 06 02:31:41.795 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 06 02:31:41.795 INFO [stderr] Dec 06 02:31:41.797 INFO [stderr] warning: unused variable: `e` Dec 06 02:31:41.797 INFO [stderr] --> src/tcp_server.rs:37:31 Dec 06 02:31:41.797 INFO [stderr] | Dec 06 02:31:41.797 INFO [stderr] 37 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) Dec 06 02:31:41.797 INFO [stderr] | ^ help: consider using `_e` instead Dec 06 02:31:41.808 INFO [stderr] | Dec 06 02:31:41.808 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 06 02:31:41.808 INFO [stderr] Dec 06 02:31:41.844 INFO [stderr] warning: unused import: `futures::try_ready` Dec 06 02:31:41.844 INFO [stderr] --> src/concurrent_send_recv2.rs:7:5 Dec 06 02:31:41.844 INFO [stderr] | Dec 06 02:31:41.844 INFO [stderr] 7 | use futures::try_ready; Dec 06 02:31:41.844 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 06 02:31:41.844 INFO [stderr] | Dec 06 02:31:41.844 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 06 02:31:41.844 INFO [stderr] Dec 06 02:31:41.864 INFO [stderr] warning: unused import: `futures::try_ready` Dec 06 02:31:41.864 INFO [stderr] --> src/concurrent_send_recv.rs:7:5 Dec 06 02:31:41.865 INFO [stderr] | Dec 06 02:31:41.865 INFO [stderr] 7 | use futures::try_ready; Dec 06 02:31:41.865 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 06 02:31:41.875 INFO [stderr] | Dec 06 02:31:41.876 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 06 02:31:41.876 INFO [stderr] Dec 06 02:31:57.828 INFO [stderr] warning: unused variable: `stdout` Dec 06 02:31:57.828 INFO [stderr] --> src/tcp_client.rs:12:13 Dec 06 02:31:57.828 INFO [stderr] | Dec 06 02:31:57.828 INFO [stderr] 12 | let mut stdout = io::stdout(); Dec 06 02:31:57.828 INFO [stderr] | ^^^^^^ help: consider using `_stdout` instead Dec 06 02:31:57.828 INFO [stderr] | Dec 06 02:31:57.828 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 06 02:31:57.828 INFO [stderr] Dec 06 02:31:57.852 INFO [stderr] warning: variable does not need to be mutable Dec 06 02:31:57.852 INFO [stderr] --> src/tcp_client.rs:12:9 Dec 06 02:31:57.852 INFO [stderr] | Dec 06 02:31:57.852 INFO [stderr] 12 | let mut stdout = io::stdout(); Dec 06 02:31:57.852 INFO [stderr] | ----^^^^^^ Dec 06 02:31:57.852 INFO [stderr] | | Dec 06 02:31:57.852 INFO [stderr] | help: remove this `mut` Dec 06 02:31:57.852 INFO [stderr] | Dec 06 02:31:57.852 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 06 02:31:57.852 INFO [stderr] Dec 06 02:31:57.939 INFO [stderr] warning: unused variable: `e` Dec 06 02:31:57.939 INFO [stderr] --> src/tcp_server3.rs:29:31 Dec 06 02:31:57.939 INFO [stderr] | Dec 06 02:31:57.939 INFO [stderr] 29 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) Dec 06 02:31:57.939 INFO [stderr] | ^ help: consider using `_e` instead Dec 06 02:31:57.940 INFO [stderr] | Dec 06 02:31:57.940 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 06 02:31:57.940 INFO [stderr] Dec 06 02:32:01.777 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.63s Dec 06 02:32:01.786 INFO [stderr] su: No module specific data is present Dec 06 02:32:02.422 INFO running `"docker" "inspect" "313e6f924fbb649ff1d99af5ee1b71c3ecb077fe68fa6321e304cc8b7431d75a"` Dec 06 02:32:02.814 INFO running `"docker" "rm" "-f" "313e6f924fbb649ff1d99af5ee1b71c3ecb077fe68fa6321e304cc8b7431d75a"` Dec 06 02:32:03.128 INFO [stdout] 313e6f924fbb649ff1d99af5ee1b71c3ecb077fe68fa6321e304cc8b7431d75a Dec 06 02:32:03.130 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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"` Dec 06 02:32:03.653 INFO [stdout] cbec053da5c03556150e732b566cb0f7497e650c0438c8a0d9dea2a6ba890ec2 Dec 06 02:32:03.656 INFO running `"docker" "start" "-a" "cbec053da5c03556150e732b566cb0f7497e650c0438c8a0d9dea2a6ba890ec2"` Dec 06 02:32:05.473 INFO [stderr] usermod: no changes Dec 06 02:32:05.664 INFO [stderr] Compiling learn-tokio0 v0.1.0 (/source) Dec 06 02:32:15.838 INFO [stderr] warning: unused import: `futures::try_ready` Dec 06 02:32:15.838 INFO [stderr] --> src/concurrent_send_recv.rs:7:5 Dec 06 02:32:15.838 INFO [stderr] | Dec 06 02:32:15.838 INFO [stderr] 7 | use futures::try_ready; Dec 06 02:32:15.838 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 06 02:32:15.838 INFO [stderr] | Dec 06 02:32:15.838 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 06 02:32:15.838 INFO [stderr] Dec 06 02:32:16.552 INFO [stderr] warning: unused import: `tokio::io` Dec 06 02:32:16.552 INFO [stderr] --> src/tcp_server.rs:5:5 Dec 06 02:32:16.552 INFO [stderr] | Dec 06 02:32:16.552 INFO [stderr] 5 | use tokio::io; Dec 06 02:32:16.552 INFO [stderr] | ^^^^^^^^^ Dec 06 02:32:16.552 INFO [stderr] | Dec 06 02:32:16.552 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 06 02:32:16.552 INFO [stderr] Dec 06 02:32:16.760 INFO [stderr] warning: unused import: `tokio::prelude` Dec 06 02:32:16.760 INFO [stderr] --> src/tcp_server.rs:7:5 Dec 06 02:32:16.760 INFO [stderr] | Dec 06 02:32:16.760 INFO [stderr] 7 | use tokio::prelude::*; Dec 06 02:32:16.760 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 06 02:32:16.774 INFO [stderr] Dec 06 02:32:16.776 INFO [stderr] warning: unused variable: `e` Dec 06 02:32:16.776 INFO [stderr] --> src/tcp_server.rs:37:31 Dec 06 02:32:16.776 INFO [stderr] | Dec 06 02:32:16.776 INFO [stderr] 37 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) Dec 06 02:32:16.776 INFO [stderr] | ^ help: consider using `_e` instead Dec 06 02:32:16.791 INFO [stderr] | Dec 06 02:32:16.791 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 06 02:32:16.791 INFO [stderr] Dec 06 02:32:17.875 INFO [stderr] warning: unused import: `futures::try_ready` Dec 06 02:32:17.875 INFO [stderr] --> src/concurrent_send_recv2.rs:7:5 Dec 06 02:32:17.875 INFO [stderr] | Dec 06 02:32:17.875 INFO [stderr] 7 | use futures::try_ready; Dec 06 02:32:17.876 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 06 02:32:17.884 INFO [stderr] | Dec 06 02:32:17.885 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 06 02:32:17.885 INFO [stderr] Dec 06 02:32:18.240 INFO [stderr] warning: unused variable: `stdout` Dec 06 02:32:18.240 INFO [stderr] --> src/tcp_client.rs:12:13 Dec 06 02:32:18.240 INFO [stderr] | Dec 06 02:32:18.240 INFO [stderr] 12 | let mut stdout = io::stdout(); Dec 06 02:32:18.240 INFO [stderr] | ^^^^^^ help: consider using `_stdout` instead Dec 06 02:32:18.240 INFO [stderr] | Dec 06 02:32:18.240 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 06 02:32:18.240 INFO [stderr] Dec 06 02:32:18.316 INFO [stderr] warning: variable does not need to be mutable Dec 06 02:32:18.316 INFO [stderr] --> src/tcp_client.rs:12:9 Dec 06 02:32:18.316 INFO [stderr] | Dec 06 02:32:18.316 INFO [stderr] 12 | let mut stdout = io::stdout(); Dec 06 02:32:18.316 INFO [stderr] | ----^^^^^^ Dec 06 02:32:18.316 INFO [stderr] | | Dec 06 02:32:18.316 INFO [stderr] | help: remove this `mut` Dec 06 02:32:18.316 INFO [stderr] | Dec 06 02:32:18.316 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 06 02:32:18.316 INFO [stderr] Dec 06 02:32:24.880 INFO [stderr] warning: unused variable: `e` Dec 06 02:32:24.880 INFO [stderr] --> src/tcp_server3.rs:29:31 Dec 06 02:32:24.880 INFO [stderr] | Dec 06 02:32:24.880 INFO [stderr] 29 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) Dec 06 02:32:24.880 INFO [stderr] | ^ help: consider using `_e` instead Dec 06 02:32:24.881 INFO [stderr] | Dec 06 02:32:24.881 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 06 02:32:24.881 INFO [stderr] Dec 06 02:32:25.396 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.90s Dec 06 02:32:25.405 INFO [stderr] su: No module specific data is present Dec 06 02:32:26.350 INFO running `"docker" "inspect" "cbec053da5c03556150e732b566cb0f7497e650c0438c8a0d9dea2a6ba890ec2"` Dec 06 02:32:26.586 INFO running `"docker" "rm" "-f" "cbec053da5c03556150e732b566cb0f7497e650c0438c8a0d9dea2a6ba890ec2"` Dec 06 02:32:26.900 INFO [stdout] cbec053da5c03556150e732b566cb0f7497e650c0438c8a0d9dea2a6ba890ec2 Dec 06 02:32:26.908 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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"` Dec 06 02:32:27.473 INFO [stdout] e3a9f7a433aabfbad3b05a445da4380fd795d1b4f6bec4a3f8829f7a0bd9013a Dec 06 02:32:27.475 INFO running `"docker" "start" "-a" "e3a9f7a433aabfbad3b05a445da4380fd795d1b4f6bec4a3f8829f7a0bd9013a"` Dec 06 02:32:28.440 INFO [stderr] usermod: no changes Dec 06 02:32:28.572 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.10s Dec 06 02:32:28.577 INFO [stderr] Running /target/debug/deps/concurrent_interval_print-9246295314a10c96 Dec 06 02:32:28.578 INFO [stdout] Dec 06 02:32:28.578 INFO [stdout] running 0 tests Dec 06 02:32:28.578 INFO [stdout] Dec 06 02:32:28.578 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.578 INFO [stdout] Dec 06 02:32:28.581 INFO [stdout] Dec 06 02:32:28.581 INFO [stderr] Running /target/debug/deps/concurrent_send_recv-21f76b4fe6659040 Dec 06 02:32:28.581 INFO [stdout] running 0 tests Dec 06 02:32:28.581 INFO [stderr] Running /target/debug/deps/concurrent_send_recv2-ceb2575611523b43 Dec 06 02:32:28.581 INFO [stdout] Dec 06 02:32:28.581 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.581 INFO [stdout] Dec 06 02:32:28.588 INFO [stdout] Dec 06 02:32:28.588 INFO [stderr] Running /target/debug/deps/delay_print-62c636e9b32a4150 Dec 06 02:32:28.588 INFO [stdout] running 0 tests Dec 06 02:32:28.588 INFO [stdout] Dec 06 02:32:28.588 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.588 INFO [stdout] Dec 06 02:32:28.590 INFO [stdout] Dec 06 02:32:28.590 INFO [stderr] Running /target/debug/deps/delay_seq_print-51212fc41a9d8594 Dec 06 02:32:28.590 INFO [stdout] running 0 tests Dec 06 02:32:28.590 INFO [stdout] Dec 06 02:32:28.590 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.590 INFO [stdout] Dec 06 02:32:28.600 INFO [stdout] Dec 06 02:32:28.600 INFO [stderr] Running /target/debug/deps/echo_udp-038a37e4c391235d Dec 06 02:32:28.600 INFO [stdout] running 0 tests Dec 06 02:32:28.600 INFO [stderr] Running /target/debug/deps/futures_select-5c9507f0cc7307a5 Dec 06 02:32:28.600 INFO [stdout] Dec 06 02:32:28.600 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.600 INFO [stdout] Dec 06 02:32:28.600 INFO [stdout] Dec 06 02:32:28.600 INFO [stdout] running 0 tests Dec 06 02:32:28.600 INFO [stdout] Dec 06 02:32:28.600 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.600 INFO [stdout] Dec 06 02:32:28.606 INFO [stdout] Dec 06 02:32:28.607 INFO [stderr] Running /target/debug/deps/interval_print-39f7c7dccb3f39d3 Dec 06 02:32:28.607 INFO [stdout] running 0 tests Dec 06 02:32:28.607 INFO [stdout] Dec 06 02:32:28.607 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.607 INFO [stdout] Dec 06 02:32:28.611 INFO [stdout] Dec 06 02:32:28.611 INFO [stdout] running 0 tests Dec 06 02:32:28.611 INFO [stdout] Dec 06 02:32:28.611 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.611 INFO [stdout] Dec 06 02:32:28.615 INFO [stderr] Running /target/debug/deps/print_each_packet-98979b830a6e8643 Dec 06 02:32:28.619 INFO [stderr] Running /target/debug/deps/print_lines-8d407aecd29ea8ee Dec 06 02:32:28.619 INFO [stdout] Dec 06 02:32:28.619 INFO [stderr] Running /target/debug/deps/tcp_client-a688f20505184246 Dec 06 02:32:28.619 INFO [stdout] running 0 tests Dec 06 02:32:28.619 INFO [stdout] Dec 06 02:32:28.619 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.619 INFO [stdout] Dec 06 02:32:28.619 INFO [stdout] Dec 06 02:32:28.619 INFO [stdout] running 0 tests Dec 06 02:32:28.619 INFO [stdout] Dec 06 02:32:28.619 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.619 INFO [stdout] Dec 06 02:32:28.620 INFO [stdout] Dec 06 02:32:28.620 INFO [stdout] running 0 tests Dec 06 02:32:28.620 INFO [stdout] Dec 06 02:32:28.620 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.620 INFO [stdout] Dec 06 02:32:28.620 INFO [stderr] Running /target/debug/deps/tcp_server-bcda2f1220449381 Dec 06 02:32:28.628 INFO [stderr] Running /target/debug/deps/tcp_server3-d10284e1141c3500 Dec 06 02:32:28.628 INFO [stdout] Dec 06 02:32:28.628 INFO [stdout] running 0 tests Dec 06 02:32:28.628 INFO [stdout] Dec 06 02:32:28.628 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.628 INFO [stdout] Dec 06 02:32:28.637 INFO [stderr] su: No module specific data is present Dec 06 02:32:28.637 INFO [stdout] Dec 06 02:32:28.637 INFO [stdout] running 0 tests Dec 06 02:32:28.637 INFO [stdout] Dec 06 02:32:28.637 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.637 INFO [stdout] Dec 06 02:32:29.244 INFO running `"docker" "inspect" "e3a9f7a433aabfbad3b05a445da4380fd795d1b4f6bec4a3f8829f7a0bd9013a"` Dec 06 02:32:29.536 INFO running `"docker" "rm" "-f" "e3a9f7a433aabfbad3b05a445da4380fd795d1b4f6bec4a3f8829f7a0bd9013a"` Dec 06 02:32:29.821 INFO [stdout] e3a9f7a433aabfbad3b05a445da4380fd795d1b4f6bec4a3f8829f7a0bd9013a