Nov 30 04:35:41.489 INFO checking daogangtang/learn-tokio against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323 Nov 30 04:35:41.489 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-alt check --frozen --all --all-targets" "-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"` Nov 30 04:35:41.933 INFO [stdout] edb3a7e890b3368eb14fcb2f59ffb5caf8ea90f616f714577b4cb0bbaabe0b2a Nov 30 04:35:41.935 INFO running `"docker" "start" "-a" "edb3a7e890b3368eb14fcb2f59ffb5caf8ea90f616f714577b4cb0bbaabe0b2a"` Nov 30 04:35:43.448 INFO [stderr] usermod: no changes Nov 30 04:35:43.653 INFO [stderr] Checking learn-tokio0 v0.1.0 (/source) Nov 30 04:35:56.053 INFO [stderr] warning: unused import: `tokio::io` Nov 30 04:35:56.053 INFO [stderr] --> src/tcp_server.rs:5:5 Nov 30 04:35:56.053 INFO [stderr] | Nov 30 04:35:56.053 INFO [stderr] 5 | use tokio::io; Nov 30 04:35:56.053 INFO [stderr] | ^^^^^^^^^ Nov 30 04:35:56.053 INFO [stderr] | Nov 30 04:35:56.053 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 30 04:35:56.053 INFO [stderr] Nov 30 04:35:56.392 INFO [stderr] warning: unused import: `futures::try_ready` Nov 30 04:35:56.392 INFO [stderr] --> src/concurrent_send_recv.rs:7:5 Nov 30 04:35:56.392 INFO [stderr] | Nov 30 04:35:56.392 INFO [stderr] 7 | use futures::try_ready; Nov 30 04:35:56.392 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Nov 30 04:35:56.392 INFO [stderr] | Nov 30 04:35:56.392 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 30 04:35:56.392 INFO [stderr] Nov 30 04:35:56.476 INFO [stderr] warning: unused import: `tokio::prelude` Nov 30 04:35:56.476 INFO [stderr] --> src/tcp_server.rs:7:5 Nov 30 04:35:56.476 INFO [stderr] | Nov 30 04:35:56.476 INFO [stderr] 7 | use tokio::prelude::*; Nov 30 04:35:56.476 INFO [stderr] | ^^^^^^^^^^^^^^ Nov 30 04:35:56.476 INFO [stderr] Nov 30 04:35:56.476 INFO [stderr] warning: unused variable: `e` Nov 30 04:35:56.476 INFO [stderr] --> src/tcp_server.rs:37:31 Nov 30 04:35:56.476 INFO [stderr] | Nov 30 04:35:56.476 INFO [stderr] 37 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) Nov 30 04:35:56.476 INFO [stderr] | ^ help: consider using `_e` instead Nov 30 04:35:56.476 INFO [stderr] | Nov 30 04:35:56.477 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 30 04:35:56.477 INFO [stderr] Nov 30 04:36:04.680 INFO [stderr] warning: unused import: `futures::try_ready` Nov 30 04:36:04.680 INFO [stderr] --> src/concurrent_send_recv2.rs:7:5 Nov 30 04:36:04.680 INFO [stderr] | Nov 30 04:36:04.680 INFO [stderr] 7 | use futures::try_ready; Nov 30 04:36:04.680 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Nov 30 04:36:04.688 INFO [stderr] warning: unused variable: `e` Nov 30 04:36:04.688 INFO [stderr] --> src/tcp_server3.rs:29:31 Nov 30 04:36:04.688 INFO [stderr] | Nov 30 04:36:04.688 INFO [stderr] 29 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) Nov 30 04:36:04.688 INFO [stderr] | ^ help: consider using `_e` instead Nov 30 04:36:04.688 INFO [stderr] | Nov 30 04:36:04.688 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 30 04:36:04.688 INFO [stderr] Nov 30 04:36:04.724 INFO [stderr] | Nov 30 04:36:04.724 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 30 04:36:04.724 INFO [stderr] Nov 30 04:36:07.204 INFO [stderr] warning: unused import: `futures::try_ready` Nov 30 04:36:07.205 INFO [stderr] --> src/concurrent_send_recv2.rs:7:5 Nov 30 04:36:07.205 INFO [stderr] | Nov 30 04:36:07.205 INFO [stderr] 7 | use futures::try_ready; Nov 30 04:36:07.206 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Nov 30 04:36:07.248 INFO [stderr] | Nov 30 04:36:07.249 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 30 04:36:07.249 INFO [stderr] Nov 30 04:36:07.910 INFO [stderr] warning: unused import: `tokio::io` Nov 30 04:36:07.910 INFO [stderr] --> src/tcp_server.rs:5:5 Nov 30 04:36:07.910 INFO [stderr] | Nov 30 04:36:07.910 INFO [stderr] 5 | use tokio::io; Nov 30 04:36:07.910 INFO [stderr] | ^^^^^^^^^ Nov 30 04:36:07.926 INFO [stderr] | Nov 30 04:36:07.926 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 30 04:36:07.926 INFO [stderr] Nov 30 04:36:08.300 INFO [stderr] warning: unused import: `tokio::prelude` Nov 30 04:36:08.300 INFO [stderr] --> src/tcp_server.rs:7:5 Nov 30 04:36:08.300 INFO [stderr] | Nov 30 04:36:08.300 INFO [stderr] 7 | use tokio::prelude::*; Nov 30 04:36:08.300 INFO [stderr] | ^^^^^^^^^^^^^^ Nov 30 04:36:08.300 INFO [stderr] Nov 30 04:36:08.300 INFO [stderr] warning: unused variable: `e` Nov 30 04:36:08.300 INFO [stderr] --> src/tcp_server.rs:37:31 Nov 30 04:36:08.300 INFO [stderr] | Nov 30 04:36:08.300 INFO [stderr] 37 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) Nov 30 04:36:08.300 INFO [stderr] | ^ help: consider using `_e` instead Nov 30 04:36:08.300 INFO [stderr] | Nov 30 04:36:08.300 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 30 04:36:08.300 INFO [stderr] Nov 30 04:36:09.128 INFO [stderr] warning: unused variable: `stdout` Nov 30 04:36:09.132 INFO [stderr] --> src/tcp_client.rs:12:13 Nov 30 04:36:09.132 INFO [stderr] | Nov 30 04:36:09.132 INFO [stderr] 12 | let mut stdout = io::stdout(); Nov 30 04:36:09.132 INFO [stderr] | ^^^^^^ help: consider using `_stdout` instead Nov 30 04:36:09.132 INFO [stderr] | Nov 30 04:36:09.132 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 30 04:36:09.132 INFO [stderr] Nov 30 04:36:09.212 INFO [stderr] warning: variable does not need to be mutable Nov 30 04:36:09.212 INFO [stderr] --> src/tcp_client.rs:12:9 Nov 30 04:36:09.212 INFO [stderr] | Nov 30 04:36:09.212 INFO [stderr] 12 | let mut stdout = io::stdout(); Nov 30 04:36:09.212 INFO [stderr] | ----^^^^^^ Nov 30 04:36:09.212 INFO [stderr] | | Nov 30 04:36:09.212 INFO [stderr] | help: remove this `mut` Nov 30 04:36:09.224 INFO [stderr] | Nov 30 04:36:09.224 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 30 04:36:09.224 INFO [stderr] Nov 30 04:36:09.926 INFO [stderr] warning: unused variable: `e` Nov 30 04:36:09.926 INFO [stderr] --> src/tcp_server3.rs:29:31 Nov 30 04:36:09.926 INFO [stderr] | Nov 30 04:36:09.926 INFO [stderr] 29 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) Nov 30 04:36:09.927 INFO [stderr] | ^ help: consider using `_e` instead Nov 30 04:36:09.954 INFO [stderr] | Nov 30 04:36:09.954 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 30 04:36:09.954 INFO [stderr] Nov 30 04:36:15.341 INFO [stderr] warning: unused import: `futures::try_ready` Nov 30 04:36:15.341 INFO [stderr] --> src/concurrent_send_recv.rs:7:5 Nov 30 04:36:15.341 INFO [stderr] | Nov 30 04:36:15.341 INFO [stderr] 7 | use futures::try_ready; Nov 30 04:36:15.341 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Nov 30 04:36:15.345 INFO [stderr] | Nov 30 04:36:15.345 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 30 04:36:15.345 INFO [stderr] Nov 30 04:36:16.596 INFO [stderr] warning: unused variable: `stdout` Nov 30 04:36:16.596 INFO [stderr] --> src/tcp_client.rs:12:13 Nov 30 04:36:16.596 INFO [stderr] | Nov 30 04:36:16.596 INFO [stderr] 12 | let mut stdout = io::stdout(); Nov 30 04:36:16.596 INFO [stderr] | ^^^^^^ help: consider using `_stdout` instead Nov 30 04:36:16.600 INFO [stderr] | Nov 30 04:36:16.600 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 30 04:36:16.600 INFO [stderr] Nov 30 04:36:16.648 INFO [stderr] warning: variable does not need to be mutable Nov 30 04:36:16.650 INFO [stderr] --> src/tcp_client.rs:12:9 Nov 30 04:36:16.650 INFO [stderr] | Nov 30 04:36:16.650 INFO [stderr] 12 | let mut stdout = io::stdout(); Nov 30 04:36:16.650 INFO [stderr] | ----^^^^^^ Nov 30 04:36:16.650 INFO [stderr] | | Nov 30 04:36:16.650 INFO [stderr] | help: remove this `mut` Nov 30 04:36:16.656 INFO [stderr] | Nov 30 04:36:16.657 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 30 04:36:16.657 INFO [stderr] Nov 30 04:36:17.576 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.10s Nov 30 04:36:17.584 INFO [stderr] su: No module specific data is present Nov 30 04:36:17.955 INFO running `"docker" "inspect" "edb3a7e890b3368eb14fcb2f59ffb5caf8ea90f616f714577b4cb0bbaabe0b2a"` Nov 30 04:36:18.080 INFO running `"docker" "rm" "-f" "edb3a7e890b3368eb14fcb2f59ffb5caf8ea90f616f714577b4cb0bbaabe0b2a"` Nov 30 04:36:18.244 INFO [stdout] edb3a7e890b3368eb14fcb2f59ffb5caf8ea90f616f714577b4cb0bbaabe0b2a