[INFO] cloning repository daogangtang/learn-tokio [INFO] running `"git" "clone" "--bare" "git://github.com/daogangtang/learn-tokio.git" "work/cache/sources/gh/daogangtang/learn-tokio"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/daogangtang/learn-tokio'... [INFO] running `"git" "clone" "work/cache/sources/gh/daogangtang/learn-tokio" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/daogangtang/learn-tokio"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/daogangtang/learn-tokio'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/daogangtang/learn-tokio" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/daogangtang/learn-tokio"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/daogangtang/learn-tokio'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 98b13be0e474ffb1b6a4f84b3e9caa91d100296a [INFO] sha for GitHub repo daogangtang/learn-tokio: 98b13be0e474ffb1b6a4f84b3e9caa91d100296a [INFO] validating manifest of daogangtang/learn-tokio on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of daogangtang/learn-tokio on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing daogangtang/learn-tokio [INFO] finished frobbing daogangtang/learn-tokio [INFO] frobbed toml for daogangtang/learn-tokio written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/daogangtang/learn-tokio/Cargo.toml [INFO] started frobbing daogangtang/learn-tokio [INFO] finished frobbing daogangtang/learn-tokio [INFO] frobbed toml for daogangtang/learn-tokio written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/daogangtang/learn-tokio/Cargo.toml [INFO] crate daogangtang/learn-tokio already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing daogangtang/learn-tokio against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/daogangtang/learn-tokio:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 27bf6eeac854a88f263fabd06d1b44d5175ea4e5794d985c2dc38aad0bf669f5 [INFO] running `"docker" "start" "-a" "27bf6eeac854a88f263fabd06d1b44d5175ea4e5794d985c2dc38aad0bf669f5"` [INFO] [stderr] Compiling crossbeam-deque v0.6.1 [INFO] [stderr] Compiling tokio-reactor v0.1.6 [INFO] [stderr] Compiling tokio-threadpool v0.1.8 [INFO] [stderr] Compiling tokio-uds v0.2.3 [INFO] [stderr] Compiling tokio-tcp v0.1.2 [INFO] [stderr] Compiling tokio-udp v0.1.2 [INFO] [stderr] Compiling tokio-fs v0.1.4 [INFO] [stderr] Compiling tokio v0.1.11 [INFO] [stderr] Compiling learn-tokio0 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/tcp_server3.rs:29:31 [INFO] [stderr] | [INFO] [stderr] 29 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `futures::try_ready` [INFO] [stderr] --> src/concurrent_send_recv2.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use futures::try_ready; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stdout` [INFO] [stderr] --> src/tcp_client.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut stdout = io::stdout(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_stdout` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tcp_client.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let mut stdout = io::stdout(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `futures::try_ready` [INFO] [stderr] --> src/concurrent_send_recv.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use futures::try_ready; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::io` [INFO] [stderr] --> src/tcp_server.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use tokio::io; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::prelude` [INFO] [stderr] --> src/tcp_server.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use tokio::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/tcp_server.rs:37:31 [INFO] [stderr] | [INFO] [stderr] 37 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.53s [INFO] running `"docker" "inspect" "27bf6eeac854a88f263fabd06d1b44d5175ea4e5794d985c2dc38aad0bf669f5"` [INFO] running `"docker" "rm" "-f" "27bf6eeac854a88f263fabd06d1b44d5175ea4e5794d985c2dc38aad0bf669f5"` [INFO] [stdout] 27bf6eeac854a88f263fabd06d1b44d5175ea4e5794d985c2dc38aad0bf669f5 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/daogangtang/learn-tokio:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] ab561fa2f3d2dc9f9f987d46149627505695e0a147502f898ce0a362f15c01b7 [INFO] running `"docker" "start" "-a" "ab561fa2f3d2dc9f9f987d46149627505695e0a147502f898ce0a362f15c01b7"` [INFO] [stderr] Compiling learn-tokio0 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `futures::try_ready` [INFO] [stderr] --> src/concurrent_send_recv2.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use futures::try_ready; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `futures::try_ready` [INFO] [stderr] --> src/concurrent_send_recv.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use futures::try_ready; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::io` [INFO] [stderr] --> src/tcp_server.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use tokio::io; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::prelude` [INFO] [stderr] --> src/tcp_server.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use tokio::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/tcp_server.rs:37:31 [INFO] [stderr] | [INFO] [stderr] 37 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/tcp_server3.rs:29:31 [INFO] [stderr] | [INFO] [stderr] 29 | .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, "oh no!")) [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stdout` [INFO] [stderr] --> src/tcp_client.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut stdout = io::stdout(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_stdout` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tcp_client.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let mut stdout = io::stdout(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.93s [INFO] running `"docker" "inspect" "ab561fa2f3d2dc9f9f987d46149627505695e0a147502f898ce0a362f15c01b7"` [INFO] running `"docker" "rm" "-f" "ab561fa2f3d2dc9f9f987d46149627505695e0a147502f898ce0a362f15c01b7"` [INFO] [stdout] ab561fa2f3d2dc9f9f987d46149627505695e0a147502f898ce0a362f15c01b7 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/daogangtang/learn-tokio:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] eb980b51285185ab3c7aeb469e29429aee9a8b30a457d541f53d6344cce2bcb0 [INFO] running `"docker" "start" "-a" "eb980b51285185ab3c7aeb469e29429aee9a8b30a457d541f53d6344cce2bcb0"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running /opt/crater/target/debug/deps/concurrent_interval_print-2aedd918bb2690db [INFO] [stderr] Running /opt/crater/target/debug/deps/concurrent_send_recv-e64f26b36790b8d3 [INFO] [stderr] Running /opt/crater/target/debug/deps/concurrent_send_recv2-2ee7103835dc4f72 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/delay_print-8196a2c640473cb2 [INFO] [stderr] Running /opt/crater/target/debug/deps/delay_seq_print-0afe6cbd32827546 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/echo_udp-dfb73afb86c133aa [INFO] [stderr] Running /opt/crater/target/debug/deps/futures_select-f02d250d562cb19b [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/interval_print-caf78589907dd2af [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/print_each_packet-50cee7ee6b7f08eb [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/print_lines-bd0000d0a0ac25fd [INFO] [stderr] Running /opt/crater/target/debug/deps/tcp_client-a511991debc114c6 [INFO] [stderr] Running /opt/crater/target/debug/deps/tcp_server-c2df35835880869b [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/tcp_server3-f54570250f81bb22 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "eb980b51285185ab3c7aeb469e29429aee9a8b30a457d541f53d6344cce2bcb0"` [INFO] running `"docker" "rm" "-f" "eb980b51285185ab3c7aeb469e29429aee9a8b30a457d541f53d6344cce2bcb0"` [INFO] [stdout] eb980b51285185ab3c7aeb469e29429aee9a8b30a457d541f53d6344cce2bcb0