Dec 13 22:20:01.604 INFO testing daogangtang/learn-tokio against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550 Dec 13 22:20:01.604 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 22:20:01.939 INFO [stdout] 79db4d7e6876503643833f9780d4c6d9050f7d567c6fa73863ecf7156ea07c3c Dec 13 22:20:01.944 INFO running `"docker" "start" "-a" "79db4d7e6876503643833f9780d4c6d9050f7d567c6fa73863ecf7156ea07c3c"` Dec 13 22:20:02.610 INFO [stderr] usermod: no changes Dec 13 22:20:02.782 INFO [stderr] Compiling tokio-threadpool v0.1.8 Dec 13 22:20:06.836 INFO [stderr] Compiling tokio-fs v0.1.4 Dec 13 22:20:09.231 INFO [stderr] Compiling tokio v0.1.11 Dec 13 22:20:13.103 INFO [stderr] Compiling learn-tokio0 v0.1.0 (/source) Dec 13 22:20:21.999 INFO [stderr] warning: unused import: `tokio::io` Dec 13 22:20:21.999 INFO [stderr] --> src/tcp_server.rs:5:5 Dec 13 22:20:21.999 INFO [stderr] | Dec 13 22:20:21.999 INFO [stderr] 5 | use tokio::io; Dec 13 22:20:21.999 INFO [stderr] | ^^^^^^^^^ Dec 13 22:20:22.027 INFO [stderr] warning: unused import: `futures::try_ready` Dec 13 22:20:22.027 INFO [stderr] --> src/concurrent_send_recv2.rs:7:5 Dec 13 22:20:22.027 INFO [stderr] | Dec 13 22:20:22.027 INFO [stderr] | Dec 13 22:20:22.027 INFO [stderr] 7 | use futures::try_ready; Dec 13 22:20:22.027 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 13 22:20:22.027 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 13 22:20:22.027 INFO [stderr] Dec 13 22:20:22.027 INFO [stderr] | Dec 13 22:20:22.027 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 13 22:20:22.027 INFO [stderr] Dec 13 22:20:22.543 INFO [stderr] warning: unused import: `tokio::prelude` Dec 13 22:20:22.543 INFO [stderr] --> src/tcp_server.rs:7:5 Dec 13 22:20:22.543 INFO [stderr] | Dec 13 22:20:22.543 INFO [stderr] 7 | use tokio::prelude::*; Dec 13 22:20:22.543 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 13 22:20:22.543 INFO [stderr] Dec 13 22:20:22.555 INFO [stderr] warning: unused variable: `e` Dec 13 22:20:22.555 INFO [stderr] --> src/tcp_server.rs:37:31 Dec 13 22:20:22.555 INFO [stderr] | Dec 13 22:20:22.555 INFO [stderr] 37 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) Dec 13 22:20:22.555 INFO [stderr] | ^ help: consider using `_e` instead Dec 13 22:20:22.563 INFO [stderr] | Dec 13 22:20:22.563 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 22:20:22.563 INFO [stderr] Dec 13 22:20:25.699 INFO [stderr] warning: unused variable: `stdout` Dec 13 22:20:25.699 INFO [stderr] --> src/tcp_client.rs:12:13 Dec 13 22:20:25.699 INFO [stderr] | Dec 13 22:20:25.700 INFO [stderr] 12 | let mut stdout = io::stdout(); Dec 13 22:20:25.700 INFO [stderr] | ^^^^^^ help: consider using `_stdout` instead Dec 13 22:20:25.700 INFO [stderr] | Dec 13 22:20:25.707 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 22:20:25.707 INFO [stderr] Dec 13 22:20:25.875 INFO [stderr] warning: variable does not need to be mutable Dec 13 22:20:25.875 INFO [stderr] --> src/tcp_client.rs:12:9 Dec 13 22:20:25.875 INFO [stderr] | Dec 13 22:20:25.876 INFO [stderr] 12 | let mut stdout = io::stdout(); Dec 13 22:20:25.876 INFO [stderr] | ----^^^^^^ Dec 13 22:20:25.876 INFO [stderr] | | Dec 13 22:20:25.877 INFO [stderr] | help: remove this `mut` Dec 13 22:20:25.877 INFO [stderr] | Dec 13 22:20:25.877 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 13 22:20:25.878 INFO [stderr] Dec 13 22:20:26.689 INFO [stderr] warning: unused variable: `e` Dec 13 22:20:26.689 INFO [stderr] --> src/tcp_server3.rs:29:31 Dec 13 22:20:26.690 INFO [stderr] | Dec 13 22:20:26.690 INFO [stderr] 29 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) Dec 13 22:20:26.690 INFO [stderr] | ^ help: consider using `_e` instead Dec 13 22:20:26.691 INFO [stderr] | Dec 13 22:20:26.691 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 22:20:26.691 INFO [stderr] Dec 13 22:20:35.259 INFO [stderr] warning: unused import: `futures::try_ready` Dec 13 22:20:35.259 INFO [stderr] --> src/concurrent_send_recv.rs:7:5 Dec 13 22:20:35.259 INFO [stderr] | Dec 13 22:20:35.259 INFO [stderr] 7 | use futures::try_ready; Dec 13 22:20:35.259 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 13 22:20:35.259 INFO [stderr] | Dec 13 22:20:35.259 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 13 22:20:35.259 INFO [stderr] Dec 13 22:20:38.075 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.43s Dec 13 22:20:38.082 INFO [stderr] su: No module specific data is present Dec 13 22:20:38.748 INFO running `"docker" "inspect" "79db4d7e6876503643833f9780d4c6d9050f7d567c6fa73863ecf7156ea07c3c"` Dec 13 22:20:39.007 INFO running `"docker" "rm" "-f" "79db4d7e6876503643833f9780d4c6d9050f7d567c6fa73863ecf7156ea07c3c"` Dec 13 22:20:39.307 INFO [stdout] 79db4d7e6876503643833f9780d4c6d9050f7d567c6fa73863ecf7156ea07c3c Dec 13 22:20:39.309 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 22:20:39.652 INFO [stdout] 6d37a82225de28eccd48a98580fe72c4ce6dfd41bef6bb77d0468af635a587cb Dec 13 22:20:39.656 INFO running `"docker" "start" "-a" "6d37a82225de28eccd48a98580fe72c4ce6dfd41bef6bb77d0468af635a587cb"` Dec 13 22:20:40.962 INFO [stderr] usermod: no changes Dec 13 22:20:41.067 INFO [stderr] Compiling learn-tokio0 v0.1.0 (/source) Dec 13 22:20:48.395 INFO [stderr] warning: unused import: `futures::try_ready` Dec 13 22:20:48.395 INFO [stderr] --> src/concurrent_send_recv.rs:7:5 Dec 13 22:20:48.395 INFO [stderr] | Dec 13 22:20:48.396 INFO [stderr] 7 | use futures::try_ready; Dec 13 22:20:48.396 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 13 22:20:48.396 INFO [stderr] | Dec 13 22:20:48.396 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 13 22:20:48.396 INFO [stderr] Dec 13 22:20:49.801 INFO [stderr] warning: unused import: `tokio::io` Dec 13 22:20:49.801 INFO [stderr] --> src/tcp_server.rs:5:5 Dec 13 22:20:49.801 INFO [stderr] | Dec 13 22:20:49.801 INFO [stderr] 5 | use tokio::io; Dec 13 22:20:49.801 INFO [stderr] | ^^^^^^^^^ Dec 13 22:20:49.801 INFO [stderr] | Dec 13 22:20:49.801 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 13 22:20:49.801 INFO [stderr] Dec 13 22:20:50.004 INFO [stderr] warning: unused import: `tokio::prelude` Dec 13 22:20:50.004 INFO [stderr] --> src/tcp_server.rs:7:5 Dec 13 22:20:50.004 INFO [stderr] | Dec 13 22:20:50.004 INFO [stderr] 7 | use tokio::prelude::*; Dec 13 22:20:50.004 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 13 22:20:50.004 INFO [stderr] Dec 13 22:20:50.005 INFO [stderr] warning: unused variable: `e` Dec 13 22:20:50.005 INFO [stderr] --> src/tcp_server.rs:37:31 Dec 13 22:20:50.005 INFO [stderr] | Dec 13 22:20:50.005 INFO [stderr] 37 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) Dec 13 22:20:50.005 INFO [stderr] | ^ help: consider using `_e` instead Dec 13 22:20:50.005 INFO [stderr] | Dec 13 22:20:50.005 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 22:20:50.005 INFO [stderr] Dec 13 22:20:50.054 INFO [stderr] warning: unused variable: `e` Dec 13 22:20:50.054 INFO [stderr] --> src/tcp_server3.rs:29:31 Dec 13 22:20:50.054 INFO [stderr] | Dec 13 22:20:50.054 INFO [stderr] 29 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) Dec 13 22:20:50.054 INFO [stderr] | ^ help: consider using `_e` instead Dec 13 22:20:50.054 INFO [stderr] | Dec 13 22:20:50.054 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 22:20:50.054 INFO [stderr] Dec 13 22:20:52.475 INFO [stderr] warning: unused import: `futures::try_ready` Dec 13 22:20:52.475 INFO [stderr] --> src/concurrent_send_recv2.rs:7:5 Dec 13 22:20:52.475 INFO [stderr] | Dec 13 22:20:52.475 INFO [stderr] 7 | use futures::try_ready; Dec 13 22:20:52.475 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 13 22:20:52.475 INFO [stderr] | Dec 13 22:20:52.475 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 13 22:20:52.475 INFO [stderr] Dec 13 22:20:53.563 INFO [stderr] warning: unused variable: `stdout` Dec 13 22:20:53.563 INFO [stderr] --> src/tcp_client.rs:12:13 Dec 13 22:20:53.563 INFO [stderr] | Dec 13 22:20:53.563 INFO [stderr] 12 | let mut stdout = io::stdout(); Dec 13 22:20:53.563 INFO [stderr] | ^^^^^^ help: consider using `_stdout` instead Dec 13 22:20:53.563 INFO [stderr] | Dec 13 22:20:53.563 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 22:20:53.563 INFO [stderr] Dec 13 22:20:53.595 INFO [stderr] warning: variable does not need to be mutable Dec 13 22:20:53.595 INFO [stderr] --> src/tcp_client.rs:12:9 Dec 13 22:20:53.595 INFO [stderr] | Dec 13 22:20:53.595 INFO [stderr] 12 | let mut stdout = io::stdout(); Dec 13 22:20:53.595 INFO [stderr] | ----^^^^^^ Dec 13 22:20:53.595 INFO [stderr] | | Dec 13 22:20:53.595 INFO [stderr] | help: remove this `mut` Dec 13 22:20:53.595 INFO [stderr] | Dec 13 22:20:53.599 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 13 22:20:53.599 INFO [stderr] Dec 13 22:20:55.038 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.12s Dec 13 22:20:55.050 INFO [stderr] su: No module specific data is present Dec 13 22:20:55.593 INFO running `"docker" "inspect" "6d37a82225de28eccd48a98580fe72c4ce6dfd41bef6bb77d0468af635a587cb"` Dec 13 22:20:55.899 INFO running `"docker" "rm" "-f" "6d37a82225de28eccd48a98580fe72c4ce6dfd41bef6bb77d0468af635a587cb"` Dec 13 22:20:56.199 INFO [stdout] 6d37a82225de28eccd48a98580fe72c4ce6dfd41bef6bb77d0468af635a587cb Dec 13 22:20:56.203 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 22:20:56.551 INFO [stdout] 78f6bfae610bd66a5018e5b4411d04e688826e16bedc42ef65692d50267feeae Dec 13 22:20:56.553 INFO running `"docker" "start" "-a" "78f6bfae610bd66a5018e5b4411d04e688826e16bedc42ef65692d50267feeae"` Dec 13 22:20:57.387 INFO [stderr] usermod: no changes Dec 13 22:20:57.565 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.15s Dec 13 22:20:57.571 INFO [stderr] Running /target/debug/deps/concurrent_interval_print-f4dcac5849ead27a Dec 13 22:20:57.581 INFO [stdout] Dec 13 22:20:57.581 INFO [stdout] running 0 tests Dec 13 22:20:57.581 INFO [stdout] Dec 13 22:20:57.581 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:57.581 INFO [stdout] Dec 13 22:20:57.584 INFO [stderr] Running /target/debug/deps/concurrent_send_recv-d254575993b4d864 Dec 13 22:20:57.586 INFO [stdout] Dec 13 22:20:57.586 INFO [stdout] running 0 tests Dec 13 22:20:57.586 INFO [stdout] Dec 13 22:20:57.586 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:57.586 INFO [stdout] Dec 13 22:20:57.586 INFO [stderr] Running /target/debug/deps/concurrent_send_recv2-903af34c761b55c5 Dec 13 22:20:57.588 INFO [stdout] Dec 13 22:20:57.588 INFO [stdout] running 0 tests Dec 13 22:20:57.588 INFO [stdout] Dec 13 22:20:57.588 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:57.588 INFO [stdout] Dec 13 22:20:57.590 INFO [stdout] Dec 13 22:20:57.590 INFO [stderr] Running /target/debug/deps/delay_print-efd8e3bdc0dfe72f Dec 13 22:20:57.590 INFO [stdout] running 0 tests Dec 13 22:20:57.590 INFO [stderr] Running /target/debug/deps/delay_seq_print-50779bb07623d9e6 Dec 13 22:20:57.590 INFO [stdout] Dec 13 22:20:57.590 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:57.590 INFO [stdout] Dec 13 22:20:57.592 INFO [stdout] Dec 13 22:20:57.593 INFO [stderr] Running /target/debug/deps/echo_udp-ad26ca1ab8c25323 Dec 13 22:20:57.593 INFO [stdout] running 0 tests Dec 13 22:20:57.593 INFO [stdout] Dec 13 22:20:57.593 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:57.593 INFO [stdout] Dec 13 22:20:57.594 INFO [stdout] Dec 13 22:20:57.594 INFO [stderr] Running /target/debug/deps/futures_select-556b32cef13267a2 Dec 13 22:20:57.594 INFO [stdout] running 0 tests Dec 13 22:20:57.594 INFO [stdout] Dec 13 22:20:57.594 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:57.594 INFO [stdout] Dec 13 22:20:57.596 INFO [stdout] Dec 13 22:20:57.596 INFO [stdout] running 0 tests Dec 13 22:20:57.596 INFO [stdout] Dec 13 22:20:57.596 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:57.596 INFO [stdout] Dec 13 22:20:57.598 INFO [stdout] Dec 13 22:20:57.598 INFO [stderr] Running /target/debug/deps/interval_print-b624771041802d6a Dec 13 22:20:57.598 INFO [stdout] running 0 tests Dec 13 22:20:57.598 INFO [stdout] Dec 13 22:20:57.598 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:57.598 INFO [stdout] Dec 13 22:20:57.599 INFO [stderr] Running /target/debug/deps/print_each_packet-14b0d8da3556c48c Dec 13 22:20:57.600 INFO [stdout] Dec 13 22:20:57.600 INFO [stdout] running 0 tests Dec 13 22:20:57.600 INFO [stdout] Dec 13 22:20:57.600 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:57.600 INFO [stdout] Dec 13 22:20:57.602 INFO [stdout] Dec 13 22:20:57.602 INFO [stderr] Running /target/debug/deps/print_lines-862c25c673a81d08 Dec 13 22:20:57.602 INFO [stdout] running 0 tests Dec 13 22:20:57.602 INFO [stdout] Dec 13 22:20:57.602 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:57.602 INFO [stdout] Dec 13 22:20:57.603 INFO [stdout] Dec 13 22:20:57.603 INFO [stderr] Running /target/debug/deps/tcp_client-23802dda83b3db1f Dec 13 22:20:57.603 INFO [stdout] running 0 tests Dec 13 22:20:57.604 INFO [stdout] Dec 13 22:20:57.604 INFO [stderr] Running /target/debug/deps/tcp_server-0fd712d18c0deef1 Dec 13 22:20:57.604 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:57.604 INFO [stdout] Dec 13 22:20:57.611 INFO [stdout] Dec 13 22:20:57.611 INFO [stdout] running 0 tests Dec 13 22:20:57.611 INFO [stdout] Dec 13 22:20:57.611 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:57.611 INFO [stdout] Dec 13 22:20:57.617 INFO [stdout] Dec 13 22:20:57.617 INFO [stderr] Running /target/debug/deps/tcp_server3-68a8f167952e7dbd Dec 13 22:20:57.617 INFO [stdout] running 0 tests Dec 13 22:20:57.617 INFO [stdout] Dec 13 22:20:57.617 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 22:20:57.617 INFO [stdout] Dec 13 22:20:57.621 INFO [stderr] su: No module specific data is present Dec 13 22:20:58.049 INFO running `"docker" "inspect" "78f6bfae610bd66a5018e5b4411d04e688826e16bedc42ef65692d50267feeae"` Dec 13 22:20:58.198 INFO running `"docker" "rm" "-f" "78f6bfae610bd66a5018e5b4411d04e688826e16bedc42ef65692d50267feeae"` Dec 13 22:20:58.360 INFO [stdout] 78f6bfae610bd66a5018e5b4411d04e688826e16bedc42ef65692d50267feeae