Dec 06 02:31:28.462 INFO testing daogangtang/learn-tokio against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514 Dec 06 02:31:28.462 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 02:31:28.964 INFO [stdout] 94b834ac41a38917d3f647d0a5d58522cd92e322281c98a155989cdff1aa057f Dec 06 02:31:28.966 INFO running `"docker" "start" "-a" "94b834ac41a38917d3f647d0a5d58522cd92e322281c98a155989cdff1aa057f"` Dec 06 02:31:30.540 INFO [stderr] usermod: no changes Dec 06 02:31:30.767 INFO [stderr] Compiling learn-tokio0 v0.1.0 (/source) Dec 06 02:31:42.092 INFO [stderr] warning: unused import: `futures::try_ready` Dec 06 02:31:42.092 INFO [stderr] --> src/concurrent_send_recv.rs:7:5 Dec 06 02:31:42.092 INFO [stderr] | Dec 06 02:31:42.092 INFO [stderr] 7 | use futures::try_ready; Dec 06 02:31:42.092 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 06 02:31:42.092 INFO [stderr] | Dec 06 02:31:42.092 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 06 02:31:42.092 INFO [stderr] Dec 06 02:31:42.242 INFO [stderr] warning: unused import: `tokio::io` Dec 06 02:31:42.242 INFO [stderr] --> src/tcp_server.rs:5:5 Dec 06 02:31:42.242 INFO [stderr] | Dec 06 02:31:42.242 INFO [stderr] 5 | use tokio::io; Dec 06 02:31:42.242 INFO [stderr] | ^^^^^^^^^ Dec 06 02:31:42.242 INFO [stderr] | Dec 06 02:31:42.242 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 06 02:31:42.243 INFO [stderr] Dec 06 02:31:42.339 INFO [stderr] warning: unused variable: `stdout` Dec 06 02:31:42.339 INFO [stderr] --> src/tcp_client.rs:12:13 Dec 06 02:31:42.339 INFO [stderr] | Dec 06 02:31:42.339 INFO [stderr] 12 | let mut stdout = io::stdout(); Dec 06 02:31:42.339 INFO [stderr] | ^^^^^^ help: consider using `_stdout` instead Dec 06 02:31:42.352 INFO [stderr] | Dec 06 02:31:42.352 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 06 02:31:42.352 INFO [stderr] Dec 06 02:31:42.416 INFO [stderr] warning: variable does not need to be mutable Dec 06 02:31:42.416 INFO [stderr] --> src/tcp_client.rs:12:9 Dec 06 02:31:42.416 INFO [stderr] | Dec 06 02:31:42.416 INFO [stderr] 12 | let mut stdout = io::stdout(); Dec 06 02:31:42.416 INFO [stderr] | ----^^^^^^ Dec 06 02:31:42.416 INFO [stderr] | | Dec 06 02:31:42.417 INFO [stderr] | help: remove this `mut` Dec 06 02:31:42.452 INFO [stderr] | Dec 06 02:31:42.453 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 06 02:31:42.453 INFO [stderr] Dec 06 02:31:42.600 INFO [stderr] warning: unused import: `tokio::prelude` Dec 06 02:31:42.600 INFO [stderr] --> src/tcp_server.rs:7:5 Dec 06 02:31:42.600 INFO [stderr] | Dec 06 02:31:42.600 INFO [stderr] 7 | use tokio::prelude::*; Dec 06 02:31:42.600 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 06 02:31:42.600 INFO [stderr] Dec 06 02:31:42.620 INFO [stderr] warning: unused variable: `e` Dec 06 02:31:42.620 INFO [stderr] --> src/tcp_server.rs:37:31 Dec 06 02:31:42.620 INFO [stderr] | Dec 06 02:31:42.620 INFO [stderr] 37 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) Dec 06 02:31:42.620 INFO [stderr] | ^ help: consider using `_e` instead Dec 06 02:31:42.620 INFO [stderr] | Dec 06 02:31:42.620 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 06 02:31:42.620 INFO [stderr] Dec 06 02:31:42.700 INFO [stderr] warning: unused variable: `e` Dec 06 02:31:42.700 INFO [stderr] --> src/tcp_server3.rs:29:31 Dec 06 02:31:42.700 INFO [stderr] | Dec 06 02:31:42.700 INFO [stderr] 29 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) Dec 06 02:31:42.700 INFO [stderr] | ^ help: consider using `_e` instead Dec 06 02:31:42.700 INFO [stderr] | Dec 06 02:31:42.700 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 06 02:31:42.700 INFO [stderr] Dec 06 02:31:54.668 INFO [stderr] warning: unused import: `futures::try_ready` Dec 06 02:31:54.668 INFO [stderr] --> src/concurrent_send_recv2.rs:7:5 Dec 06 02:31:54.668 INFO [stderr] | Dec 06 02:31:54.668 INFO [stderr] 7 | use futures::try_ready; Dec 06 02:31:54.668 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 06 02:31:54.668 INFO [stderr] | Dec 06 02:31:54.668 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 06 02:31:54.668 INFO [stderr] Dec 06 02:32:00.013 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.45s Dec 06 02:32:00.024 INFO [stderr] su: No module specific data is present Dec 06 02:32:01.392 INFO running `"docker" "inspect" "94b834ac41a38917d3f647d0a5d58522cd92e322281c98a155989cdff1aa057f"` Dec 06 02:32:01.824 INFO running `"docker" "rm" "-f" "94b834ac41a38917d3f647d0a5d58522cd92e322281c98a155989cdff1aa057f"` Dec 06 02:32:02.168 INFO [stdout] 94b834ac41a38917d3f647d0a5d58522cd92e322281c98a155989cdff1aa057f Dec 06 02:32:02.176 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 02:32:02.504 INFO [stdout] 9dbc050ba4e292338cb8cbaedba11d9191db1e822940ff5da2240ecb00924202 Dec 06 02:32:02.510 INFO running `"docker" "start" "-a" "9dbc050ba4e292338cb8cbaedba11d9191db1e822940ff5da2240ecb00924202"` Dec 06 02:32:03.668 INFO [stderr] usermod: no changes Dec 06 02:32:03.818 INFO [stderr] Compiling learn-tokio0 v0.1.0 (/source) Dec 06 02:32:13.532 INFO [stderr] warning: unused import: `futures::try_ready` Dec 06 02:32:13.532 INFO [stderr] --> src/concurrent_send_recv2.rs:7:5 Dec 06 02:32:13.532 INFO [stderr] | Dec 06 02:32:13.532 INFO [stderr] 7 | use futures::try_ready; Dec 06 02:32:13.532 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 06 02:32:13.559 INFO [stderr] | Dec 06 02:32:13.559 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 06 02:32:13.559 INFO [stderr] Dec 06 02:32:13.848 INFO [stderr] warning: unused variable: `stdout` Dec 06 02:32:13.848 INFO [stderr] --> src/tcp_client.rs:12:13 Dec 06 02:32:13.848 INFO [stderr] | Dec 06 02:32:13.848 INFO [stderr] 12 | let mut stdout = io::stdout(); Dec 06 02:32:13.848 INFO [stderr] | ^^^^^^ help: consider using `_stdout` instead Dec 06 02:32:13.848 INFO [stderr] | Dec 06 02:32:13.848 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 06 02:32:13.848 INFO [stderr] Dec 06 02:32:13.928 INFO [stderr] warning: variable does not need to be mutable Dec 06 02:32:13.928 INFO [stderr] --> src/tcp_client.rs:12:9 Dec 06 02:32:13.928 INFO [stderr] | Dec 06 02:32:13.928 INFO [stderr] 12 | let mut stdout = io::stdout(); Dec 06 02:32:13.928 INFO [stderr] | ----^^^^^^ Dec 06 02:32:13.928 INFO [stderr] | | Dec 06 02:32:13.928 INFO [stderr] | help: remove this `mut` Dec 06 02:32:13.928 INFO [stderr] | Dec 06 02:32:13.928 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 06 02:32:13.928 INFO [stderr] Dec 06 02:32:20.271 INFO [stderr] warning: unused import: `futures::try_ready` Dec 06 02:32:20.271 INFO [stderr] --> src/concurrent_send_recv.rs:7:5 Dec 06 02:32:20.271 INFO [stderr] | Dec 06 02:32:20.272 INFO [stderr] 7 | use futures::try_ready; Dec 06 02:32:20.276 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 06 02:32:20.276 INFO [stderr] | Dec 06 02:32:20.276 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 06 02:32:20.276 INFO [stderr] Dec 06 02:32:22.664 INFO [stderr] warning: unused import: `tokio::io` Dec 06 02:32:22.664 INFO [stderr] --> src/tcp_server.rs:5:5 Dec 06 02:32:22.664 INFO [stderr] | Dec 06 02:32:22.664 INFO [stderr] 5 | use tokio::io; Dec 06 02:32:22.664 INFO [stderr] | ^^^^^^^^^ Dec 06 02:32:22.664 INFO [stderr] | Dec 06 02:32:22.664 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 06 02:32:22.664 INFO [stderr] Dec 06 02:32:22.760 INFO [stderr] warning: unused variable: `e` Dec 06 02:32:22.760 INFO [stderr] --> src/tcp_server3.rs:29:31 Dec 06 02:32:22.760 INFO [stderr] | Dec 06 02:32:22.760 INFO [stderr] 29 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) Dec 06 02:32:22.760 INFO [stderr] | ^ help: consider using `_e` instead Dec 06 02:32:22.780 INFO [stderr] | Dec 06 02:32:22.780 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 06 02:32:22.780 INFO [stderr] Dec 06 02:32:22.920 INFO [stderr] warning: unused import: `tokio::prelude` Dec 06 02:32:22.920 INFO [stderr] --> src/tcp_server.rs:7:5 Dec 06 02:32:22.920 INFO [stderr] | Dec 06 02:32:22.920 INFO [stderr] 7 | use tokio::prelude::*; Dec 06 02:32:22.920 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 06 02:32:22.920 INFO [stderr] Dec 06 02:32:22.944 INFO [stderr] warning: unused variable: `e` Dec 06 02:32:22.944 INFO [stderr] --> src/tcp_server.rs:37:31 Dec 06 02:32:22.944 INFO [stderr] | Dec 06 02:32:22.944 INFO [stderr] 37 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) Dec 06 02:32:22.944 INFO [stderr] | ^ help: consider using `_e` instead Dec 06 02:32:22.956 INFO [stderr] | Dec 06 02:32:22.956 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 06 02:32:22.956 INFO [stderr] Dec 06 02:32:24.560 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.87s Dec 06 02:32:24.571 INFO [stderr] su: No module specific data is present Dec 06 02:32:25.721 INFO running `"docker" "inspect" "9dbc050ba4e292338cb8cbaedba11d9191db1e822940ff5da2240ecb00924202"` Dec 06 02:32:26.150 INFO running `"docker" "rm" "-f" "9dbc050ba4e292338cb8cbaedba11d9191db1e822940ff5da2240ecb00924202"` Dec 06 02:32:26.400 INFO [stdout] 9dbc050ba4e292338cb8cbaedba11d9191db1e822940ff5da2240ecb00924202 Dec 06 02:32:26.408 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 02:32:26.822 INFO [stdout] 42794ed3afdc27d3c30be2fd0ac4aeb9f2ecbd7e5aad7d22fa8cda4de53fa030 Dec 06 02:32:26.826 INFO running `"docker" "start" "-a" "42794ed3afdc27d3c30be2fd0ac4aeb9f2ecbd7e5aad7d22fa8cda4de53fa030"` Dec 06 02:32:27.921 INFO [stderr] usermod: no changes Dec 06 02:32:28.112 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.16s Dec 06 02:32:28.132 INFO [stderr] Running /target/debug/deps/concurrent_interval_print-1e255b2d219798d9 Dec 06 02:32:28.136 INFO [stderr] Running /target/debug/deps/concurrent_send_recv-5fb95f70ef924529 Dec 06 02:32:28.136 INFO [stdout] Dec 06 02:32:28.136 INFO [stdout] running 0 tests Dec 06 02:32:28.136 INFO [stdout] Dec 06 02:32:28.136 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.136 INFO [stdout] Dec 06 02:32:28.139 INFO [stdout] Dec 06 02:32:28.139 INFO [stderr] Running /target/debug/deps/concurrent_send_recv2-55ff7ad51d42247a Dec 06 02:32:28.139 INFO [stdout] running 0 tests Dec 06 02:32:28.139 INFO [stdout] Dec 06 02:32:28.139 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.139 INFO [stdout] Dec 06 02:32:28.141 INFO [stdout] Dec 06 02:32:28.141 INFO [stdout] running 0 tests Dec 06 02:32:28.141 INFO [stdout] Dec 06 02:32:28.141 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.141 INFO [stdout] Dec 06 02:32:28.152 INFO [stdout] Dec 06 02:32:28.152 INFO [stderr] Running /target/debug/deps/delay_print-ea7299cfea6d48f6 Dec 06 02:32:28.152 INFO [stdout] running 0 tests Dec 06 02:32:28.152 INFO [stderr] Running /target/debug/deps/delay_seq_print-7cc3ff3031138f5c Dec 06 02:32:28.152 INFO [stdout] Dec 06 02:32:28.152 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.152 INFO [stdout] Dec 06 02:32:28.156 INFO [stdout] Dec 06 02:32:28.156 INFO [stdout] running 0 tests Dec 06 02:32:28.156 INFO [stdout] Dec 06 02:32:28.156 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.156 INFO [stdout] Dec 06 02:32:28.161 INFO [stderr] Running /target/debug/deps/echo_udp-f05ca5b90e32c29b Dec 06 02:32:28.164 INFO [stderr] Running /target/debug/deps/futures_select-4a74917d4e0cf1ba Dec 06 02:32:28.164 INFO [stdout] Dec 06 02:32:28.164 INFO [stdout] running 0 tests Dec 06 02:32:28.164 INFO [stdout] Dec 06 02:32:28.164 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.164 INFO [stdout] Dec 06 02:32:28.168 INFO [stdout] Dec 06 02:32:28.168 INFO [stderr] Running /target/debug/deps/interval_print-893e1053767aa527 Dec 06 02:32:28.168 INFO [stdout] running 0 tests Dec 06 02:32:28.168 INFO [stdout] Dec 06 02:32:28.168 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.168 INFO [stdout] Dec 06 02:32:28.176 INFO [stdout] Dec 06 02:32:28.176 INFO [stderr] Running /target/debug/deps/print_each_packet-f5b74ee17c395a98 Dec 06 02:32:28.176 INFO [stdout] running 0 tests Dec 06 02:32:28.176 INFO [stdout] Dec 06 02:32:28.176 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.176 INFO [stdout] Dec 06 02:32:28.184 INFO [stdout] Dec 06 02:32:28.184 INFO [stderr] Running /target/debug/deps/print_lines-aa7e5cab96392313 Dec 06 02:32:28.184 INFO [stdout] running 0 tests Dec 06 02:32:28.184 INFO [stdout] Dec 06 02:32:28.184 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.184 INFO [stdout] Dec 06 02:32:28.184 INFO [stdout] Dec 06 02:32:28.184 INFO [stderr] Running /target/debug/deps/tcp_client-b2c258d0334561a4 Dec 06 02:32:28.184 INFO [stdout] running 0 tests Dec 06 02:32:28.184 INFO [stdout] Dec 06 02:32:28.184 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.184 INFO [stdout] Dec 06 02:32:28.188 INFO [stdout] Dec 06 02:32:28.188 INFO [stdout] running 0 tests Dec 06 02:32:28.188 INFO [stdout] Dec 06 02:32:28.188 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.188 INFO [stdout] Dec 06 02:32:28.188 INFO [stderr] Running /target/debug/deps/tcp_server-9ad025fdf7291ad2 Dec 06 02:32:28.206 INFO [stderr] Running /target/debug/deps/tcp_server3-9e016c315c8d2af4 Dec 06 02:32:28.206 INFO [stdout] Dec 06 02:32:28.206 INFO [stdout] running 0 tests Dec 06 02:32:28.206 INFO [stdout] Dec 06 02:32:28.206 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.206 INFO [stdout] Dec 06 02:32:28.216 INFO [stdout] Dec 06 02:32:28.216 INFO [stdout] running 0 tests Dec 06 02:32:28.216 INFO [stdout] Dec 06 02:32:28.216 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 06 02:32:28.216 INFO [stdout] Dec 06 02:32:28.220 INFO [stderr] su: No module specific data is present Dec 06 02:32:28.796 INFO running `"docker" "inspect" "42794ed3afdc27d3c30be2fd0ac4aeb9f2ecbd7e5aad7d22fa8cda4de53fa030"` Dec 06 02:32:29.067 INFO running `"docker" "rm" "-f" "42794ed3afdc27d3c30be2fd0ac4aeb9f2ecbd7e5aad7d22fa8cda4de53fa030"` Dec 06 02:32:29.264 INFO [stdout] 42794ed3afdc27d3c30be2fd0ac4aeb9f2ecbd7e5aad7d22fa8cda4de53fa030