Dec 13 22:20:02.049 INFO testing daogangtang/learn-tokio against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550 Dec 13 22:20:02.049 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 22:20:02.447 INFO [stdout] 3a88fdc48779c0aaabc599dbfecc76d6327cb0dafcc8a040c74c8f61a90ffa8b Dec 13 22:20:02.448 INFO running `"docker" "start" "-a" "3a88fdc48779c0aaabc599dbfecc76d6327cb0dafcc8a040c74c8f61a90ffa8b"` Dec 13 22:20:03.183 INFO [stderr] usermod: no changes Dec 13 22:20:03.339 INFO [stderr] Compiling learn-tokio0 v0.1.0 (/source) Dec 13 22:20:12.175 INFO [stderr] warning: unused variable: `e` Dec 13 22:20:12.175 INFO [stderr] --> src/tcp_server3.rs:29:31 Dec 13 22:20:12.175 INFO [stderr] | Dec 13 22:20:12.175 INFO [stderr] 29 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) Dec 13 22:20:12.175 INFO [stderr] | ^ help: consider using `_e` instead Dec 13 22:20:12.175 INFO [stderr] | Dec 13 22:20:12.175 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 22:20:12.175 INFO [stderr] Dec 13 22:20:12.932 INFO [stderr] warning: unused variable: `stdout` Dec 13 22:20:12.932 INFO [stderr] --> src/tcp_client.rs:12:13 Dec 13 22:20:12.932 INFO [stderr] | Dec 13 22:20:12.932 INFO [stderr] 12 | let mut stdout = io::stdout(); Dec 13 22:20:12.932 INFO [stderr] | ^^^^^^ help: consider using `_stdout` instead Dec 13 22:20:12.932 INFO [stderr] | Dec 13 22:20:12.932 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 22:20:12.932 INFO [stderr] Dec 13 22:20:12.952 INFO [stderr] warning: variable does not need to be mutable Dec 13 22:20:12.957 INFO [stderr] --> src/tcp_client.rs:12:9 Dec 13 22:20:12.957 INFO [stderr] | Dec 13 22:20:12.957 INFO [stderr] 12 | let mut stdout = io::stdout(); Dec 13 22:20:12.957 INFO [stderr] | ----^^^^^^ Dec 13 22:20:12.957 INFO [stderr] | | Dec 13 22:20:12.957 INFO [stderr] | help: remove this `mut` Dec 13 22:20:12.957 INFO [stderr] | Dec 13 22:20:12.957 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 13 22:20:12.957 INFO [stderr] Dec 13 22:20:13.277 INFO [stderr] warning: unused import: `futures::try_ready` Dec 13 22:20:13.277 INFO [stderr] --> src/concurrent_send_recv2.rs:7:5 Dec 13 22:20:13.277 INFO [stderr] | Dec 13 22:20:13.277 INFO [stderr] 7 | use futures::try_ready; Dec 13 22:20:13.277 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 13 22:20:13.277 INFO [stderr] | Dec 13 22:20:13.277 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 13 22:20:13.277 INFO [stderr] Dec 13 22:20:25.731 INFO [stderr] warning: unused import: `tokio::io` Dec 13 22:20:25.732 INFO [stderr] --> src/tcp_server.rs:5:5 Dec 13 22:20:25.732 INFO [stderr] | Dec 13 22:20:25.732 INFO [stderr] 5 | use tokio::io; Dec 13 22:20:25.732 INFO [stderr] | ^^^^^^^^^ Dec 13 22:20:25.735 INFO [stderr] | Dec 13 22:20:25.735 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 13 22:20:25.735 INFO [stderr] Dec 13 22:20:26.059 INFO [stderr] warning: unused import: `tokio::prelude` Dec 13 22:20:26.059 INFO [stderr] --> src/tcp_server.rs:7:5 Dec 13 22:20:26.059 INFO [stderr] | Dec 13 22:20:26.060 INFO [stderr] 7 | use tokio::prelude::*; Dec 13 22:20:26.060 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 13 22:20:26.060 INFO [stderr] Dec 13 22:20:26.062 INFO [stderr] warning: unused variable: `e` Dec 13 22:20:26.062 INFO [stderr] --> src/tcp_server.rs:37:31 Dec 13 22:20:26.062 INFO [stderr] | Dec 13 22:20:26.062 INFO [stderr] 37 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) Dec 13 22:20:26.063 INFO [stderr] | ^ help: consider using `_e` instead Dec 13 22:20:26.079 INFO [stderr] | Dec 13 22:20:26.115 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 22:20:26.115 INFO [stderr] Dec 13 22:20:28.315 INFO [stderr] warning: unused import: `futures::try_ready` Dec 13 22:20:28.315 INFO [stderr] --> src/concurrent_send_recv.rs:7:5 Dec 13 22:20:28.315 INFO [stderr] | Dec 13 22:20:28.315 INFO [stderr] 7 | use futures::try_ready; Dec 13 22:20:28.315 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 13 22:20:28.327 INFO [stderr] | Dec 13 22:20:28.327 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 13 22:20:28.327 INFO [stderr] Dec 13 22:20:32.017 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.80s Dec 13 22:20:32.030 INFO [stderr] su: No module specific data is present Dec 13 22:20:32.667 INFO running `"docker" "inspect" "3a88fdc48779c0aaabc599dbfecc76d6327cb0dafcc8a040c74c8f61a90ffa8b"` Dec 13 22:20:33.000 INFO running `"docker" "rm" "-f" "3a88fdc48779c0aaabc599dbfecc76d6327cb0dafcc8a040c74c8f61a90ffa8b"` Dec 13 22:20:33.195 INFO [stdout] 3a88fdc48779c0aaabc599dbfecc76d6327cb0dafcc8a040c74c8f61a90ffa8b Dec 13 22:20:33.199 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 22:20:33.520 INFO [stdout] 15010399bc3b4c51563574f01e4f1e44a9aab4156303f4159d490f67edf4f5b5 Dec 13 22:20:33.522 INFO running `"docker" "start" "-a" "15010399bc3b4c51563574f01e4f1e44a9aab4156303f4159d490f67edf4f5b5"` Dec 13 22:20:34.767 INFO [stderr] usermod: no changes Dec 13 22:20:34.921 INFO [stderr] Compiling learn-tokio0 v0.1.0 (/source) Dec 13 22:20:40.123 INFO [stderr] warning: unused import: `tokio::io` Dec 13 22:20:40.123 INFO [stderr] --> src/tcp_server.rs:5:5 Dec 13 22:20:40.123 INFO [stderr] | Dec 13 22:20:40.123 INFO [stderr] 5 | use tokio::io; Dec 13 22:20:40.123 INFO [stderr] | ^^^^^^^^^ Dec 13 22:20:40.123 INFO [stderr] | Dec 13 22:20:40.123 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 13 22:20:40.123 INFO [stderr] Dec 13 22:20:40.233 INFO [stderr] warning: unused import: `tokio::prelude` Dec 13 22:20:40.234 INFO [stderr] --> src/tcp_server.rs:7:5 Dec 13 22:20:40.234 INFO [stderr] | Dec 13 22:20:40.234 INFO [stderr] 7 | use tokio::prelude::*; Dec 13 22:20:40.234 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 13 22:20:40.234 INFO [stderr] Dec 13 22:20:40.234 INFO [stderr] warning: unused variable: `e` Dec 13 22:20:40.234 INFO [stderr] --> src/tcp_server.rs:37:31 Dec 13 22:20:40.234 INFO [stderr] | Dec 13 22:20:40.234 INFO [stderr] 37 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) Dec 13 22:20:40.234 INFO [stderr] | ^ help: consider using `_e` instead Dec 13 22:20:40.234 INFO [stderr] | Dec 13 22:20:40.234 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 22:20:40.234 INFO [stderr] Dec 13 22:20:41.070 INFO [stderr] warning: unused import: `futures::try_ready` Dec 13 22:20:41.070 INFO [stderr] --> src/concurrent_send_recv.rs:7:5 Dec 13 22:20:41.070 INFO [stderr] | Dec 13 22:20:41.070 INFO [stderr] 7 | use futures::try_ready; Dec 13 22:20:41.070 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 13 22:20:41.070 INFO [stderr] | Dec 13 22:20:41.070 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 13 22:20:41.070 INFO [stderr] Dec 13 22:20:42.375 INFO [stderr] warning: unused variable: `e` Dec 13 22:20:42.375 INFO [stderr] --> src/tcp_server3.rs:29:31 Dec 13 22:20:42.375 INFO [stderr] | Dec 13 22:20:42.375 INFO [stderr] 29 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) Dec 13 22:20:42.375 INFO [stderr] | ^ help: consider using `_e` instead Dec 13 22:20:42.375 INFO [stderr] | Dec 13 22:20:42.375 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 22:20:42.375 INFO [stderr] Dec 13 22:20:48.415 INFO [stderr] warning: unused variable: `stdout` Dec 13 22:20:48.415 INFO [stderr] --> src/tcp_client.rs:12:13 Dec 13 22:20:48.415 INFO [stderr] | Dec 13 22:20:48.415 INFO [stderr] 12 | let mut stdout = io::stdout(); Dec 13 22:20:48.415 INFO [stderr] | ^^^^^^ help: consider using `_stdout` instead Dec 13 22:20:48.415 INFO [stderr] | Dec 13 22:20:48.415 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 22:20:48.415 INFO [stderr] Dec 13 22:20:48.431 INFO [stderr] warning: variable does not need to be mutable Dec 13 22:20:48.431 INFO [stderr] --> src/tcp_client.rs:12:9 Dec 13 22:20:48.431 INFO [stderr] | Dec 13 22:20:48.431 INFO [stderr] 12 | let mut stdout = io::stdout(); Dec 13 22:20:48.431 INFO [stderr] | ----^^^^^^ Dec 13 22:20:48.431 INFO [stderr] | | Dec 13 22:20:48.431 INFO [stderr] | help: remove this `mut` Dec 13 22:20:48.431 INFO [stderr] | Dec 13 22:20:48.431 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 13 22:20:48.431 INFO [stderr] Dec 13 22:20:49.258 INFO [stderr] warning: unused import: `futures::try_ready` Dec 13 22:20:49.259 INFO [stderr] --> src/concurrent_send_recv2.rs:7:5 Dec 13 22:20:49.259 INFO [stderr] | Dec 13 22:20:49.259 INFO [stderr] 7 | use futures::try_ready; Dec 13 22:20:49.259 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 13 22:20:49.259 INFO [stderr] | Dec 13 22:20:49.259 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 13 22:20:49.259 INFO [stderr] Dec 13 22:20:50.235 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.44s Dec 13 22:20:50.239 INFO [stderr] su: No module specific data is present Dec 13 22:20:51.068 INFO running `"docker" "inspect" "15010399bc3b4c51563574f01e4f1e44a9aab4156303f4159d490f67edf4f5b5"` Dec 13 22:20:51.444 INFO running `"docker" "rm" "-f" "15010399bc3b4c51563574f01e4f1e44a9aab4156303f4159d490f67edf4f5b5"` Dec 13 22:20:51.830 INFO [stdout] 15010399bc3b4c51563574f01e4f1e44a9aab4156303f4159d490f67edf4f5b5 Dec 13 22:20:51.837 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 22:20:52.430 INFO [stdout] 87172c99df0affc01f6814c13a5ce64bd5dc4929c56f3d6bc722aca00d0af9b2 Dec 13 22:20:52.432 INFO running `"docker" "start" "-a" "87172c99df0affc01f6814c13a5ce64bd5dc4929c56f3d6bc722aca00d0af9b2"` Dec 13 22:20:53.803 INFO [stderr] usermod: no changes Dec 13 22:20:53.935 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.10s Dec 13 22:20:53.947 INFO [stderr] Running /target/debug/deps/concurrent_interval_print-126cdd754676f4d1 Dec 13 22:20:53.967 INFO [stderr] Running /target/debug/deps/concurrent_send_recv-9650b19d7fc82ed0 Dec 13 22:20:53.967 INFO [stdout] Dec 13 22:20:53.967 INFO [stderr] Running /target/debug/deps/concurrent_send_recv2-2dbf0ca3d0792b75 Dec 13 22:20:53.967 INFO [stdout] running 0 tests Dec 13 22:20:53.967 INFO [stdout] Dec 13 22:20:53.967 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:53.967 INFO [stdout] Dec 13 22:20:53.967 INFO [stdout] Dec 13 22:20:53.967 INFO [stdout] running 0 tests Dec 13 22:20:53.967 INFO [stdout] Dec 13 22:20:53.967 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:53.967 INFO [stdout] Dec 13 22:20:53.982 INFO [stdout] Dec 13 22:20:53.983 INFO [stderr] Running /target/debug/deps/delay_print-8cfcbfecfdce0df9 Dec 13 22:20:53.983 INFO [stdout] running 0 tests Dec 13 22:20:53.983 INFO [stderr] Running /target/debug/deps/delay_seq_print-9269c715477e9785 Dec 13 22:20:53.983 INFO [stdout] Dec 13 22:20:53.983 INFO [stderr] Running /target/debug/deps/echo_udp-938ac26de6d66f89 Dec 13 22:20:53.983 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:53.983 INFO [stdout] Dec 13 22:20:53.983 INFO [stdout] Dec 13 22:20:53.983 INFO [stdout] running 0 tests Dec 13 22:20:53.983 INFO [stdout] Dec 13 22:20:53.983 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:53.983 INFO [stdout] Dec 13 22:20:53.983 INFO [stdout] Dec 13 22:20:53.983 INFO [stdout] running 0 tests Dec 13 22:20:53.983 INFO [stdout] Dec 13 22:20:53.983 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:53.983 INFO [stdout] Dec 13 22:20:53.987 INFO [stdout] Dec 13 22:20:53.987 INFO [stdout] running 0 tests Dec 13 22:20:53.987 INFO [stdout] Dec 13 22:20:53.987 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:53.987 INFO [stdout] Dec 13 22:20:53.991 INFO [stderr] Running /target/debug/deps/futures_select-e91e3e09792470fe Dec 13 22:20:53.999 INFO [stdout] Dec 13 22:20:53.999 INFO [stdout] running 0 tests Dec 13 22:20:53.999 INFO [stdout] Dec 13 22:20:53.999 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:53.999 INFO [stdout] Dec 13 22:20:54.003 INFO [stderr] Running /target/debug/deps/interval_print-60f400bddd57486b Dec 13 22:20:54.011 INFO [stdout] Dec 13 22:20:54.011 INFO [stdout] running 0 tests Dec 13 22:20:54.011 INFO [stdout] Dec 13 22:20:54.011 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:54.011 INFO [stdout] Dec 13 22:20:54.015 INFO [stderr] Running /target/debug/deps/print_each_packet-50b2f5d609653a07 Dec 13 22:20:54.017 INFO [stdout] Dec 13 22:20:54.019 INFO [stdout] running 0 tests Dec 13 22:20:54.019 INFO [stdout] Dec 13 22:20:54.019 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:54.019 INFO [stdout] Dec 13 22:20:54.019 INFO [stderr] Running /target/debug/deps/print_lines-1e0164f6cad66d7c Dec 13 22:20:54.023 INFO [stdout] Dec 13 22:20:54.023 INFO [stdout] running 0 tests Dec 13 22:20:54.023 INFO [stdout] Dec 13 22:20:54.023 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:54.023 INFO [stdout] Dec 13 22:20:54.023 INFO [stderr] Running /target/debug/deps/tcp_client-8ae88398944466cd Dec 13 22:20:54.035 INFO [stderr] Running /target/debug/deps/tcp_server-e07c88245ed80647 Dec 13 22:20:54.035 INFO [stderr] Running /target/debug/deps/tcp_server3-0ceacc2d3210f206 Dec 13 22:20:54.035 INFO [stdout] Dec 13 22:20:54.035 INFO [stdout] running 0 tests Dec 13 22:20:54.035 INFO [stdout] Dec 13 22:20:54.035 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:54.035 INFO [stdout] Dec 13 22:20:54.035 INFO [stdout] Dec 13 22:20:54.035 INFO [stdout] running 0 tests Dec 13 22:20:54.035 INFO [stdout] Dec 13 22:20:54.035 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:54.035 INFO [stdout] Dec 13 22:20:54.049 INFO [stdout] Dec 13 22:20:54.049 INFO [stdout] running 0 tests Dec 13 22:20:54.049 INFO [stdout] Dec 13 22:20:54.049 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:54.049 INFO [stdout] Dec 13 22:20:54.079 INFO [stderr] su: No module specific data is present Dec 13 22:20:55.084 INFO running `"docker" "inspect" "87172c99df0affc01f6814c13a5ce64bd5dc4929c56f3d6bc722aca00d0af9b2"` Dec 13 22:20:55.244 INFO running `"docker" "rm" "-f" "87172c99df0affc01f6814c13a5ce64bd5dc4929c56f3d6bc722aca00d0af9b2"` Dec 13 22:20:55.463 INFO [stdout] 87172c99df0affc01f6814c13a5ce64bd5dc4929c56f3d6bc722aca00d0af9b2