[INFO] fetching crate tokio-simplified 0.2.2...
[INFO] checking tokio-simplified-0.2.2 against try#fceb2de603f0807f9049222f3f612ed51ed8f9dc for pr-157576
[INFO] extracting crate tokio-simplified 0.2.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate tokio-simplified 0.2.2
[INFO] finished tweaking crates.io crate tokio-simplified 0.2.2
[INFO] tweaked toml for crates.io crate tokio-simplified 0.2.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-simplified 0.2.2 on toolchain fceb2de603f0807f9049222f3f612ed51ed8f9dc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tokio-simplified 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5b046696e53b89e8d1d7bb38d4080ae62ed4c47d09d79318028ab25cf6b59fa2
[INFO] running `Command { std: "docker" "start" "5b046696e53b89e8d1d7bb38d4080ae62ed4c47d09d79318028ab25cf6b59fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5b046696e53b89e8d1d7bb38d4080ae62ed4c47d09d79318028ab25cf6b59fa2" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b046696e53b89e8d1d7bb38d4080ae62ed4c47d09d79318028ab25cf6b59fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5b046696e53b89e8d1d7bb38d4080ae62ed4c47d09d79318028ab25cf6b59fa2" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking mio v0.6.17
[INFO] [stderr]     Checking tokio-sync v0.1.5
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]     Checking futures-promises v0.1.7
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio v0.1.20
[INFO] [stderr]     Checking tokio-simplified v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:87:10
[INFO] [stdout]    |
[INFO] [stdout] 87 |     BF = (fn(
[INFO] [stdout]    |          ^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     ) -> Option<<StreamType as Stream>::Item>),
[INFO] [stdout]    |                                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 87 ~     BF = fn(
[INFO] [stdout] 88 |         <StreamType as Stream>::Item,
[INFO] [stdout] 89 |         &mut IoWriter<<SinkType as Sink>::SinkItem>,
[INFO] [stdout] 90 ~     ) -> Option<<StreamType as Stream>::Item> ,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:91:11
[INFO] [stdout]    |
[INFO] [stdout] 91 |     BEH = (fn(<StreamType as Stream>::Error)),
[INFO] [stdout]    |           ^                                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 91 -     BEH = (fn(<StreamType as Stream>::Error)),
[INFO] [stdout] 91 +     BEH = fn(<StreamType as Stream>::Error) ,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:109:48
[INFO] [stdout]     |
[INFO] [stdout] 109 | type DefaultFilterType<SinkType, StreamType> = (fn(
[INFO] [stdout]     |                                                ^
[INFO] [stdout] ...
[INFO] [stdout] 112 | ) -> Option<<StreamType as Stream>::Item>);
[INFO] [stdout]     |                                          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 109 ~ type DefaultFilterType<SinkType, StreamType> = fn(
[INFO] [stdout] 110 |     <StreamType as Stream>::Item,
[INFO] [stdout] 111 |     &mut IoWriter<<SinkType as Sink>::SinkItem>,
[INFO] [stdout] 112 ~ ) -> Option<<StreamType as Stream>::Item> ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:113:44
[INFO] [stdout]     |
[INFO] [stdout] 113 | type DefaultErrorHandlerType<StreamType> = (fn(<StreamType as Stream>::Error));
[INFO] [stdout]     |                                            ^                                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 113 - type DefaultErrorHandlerType<StreamType> = (fn(<StreamType as Stream>::Error));
[INFO] [stdout] 113 + type DefaultErrorHandlerType<StreamType> = fn(<StreamType as Stream>::Error) ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:87:10
[INFO] [stdout]    |
[INFO] [stdout] 87 |     BF = (fn(
[INFO] [stdout]    |          ^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     ) -> Option<<StreamType as Stream>::Item>),
[INFO] [stdout]    |                                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 87 ~     BF = fn(
[INFO] [stdout] 88 |         <StreamType as Stream>::Item,
[INFO] [stdout] 89 |         &mut IoWriter<<SinkType as Sink>::SinkItem>,
[INFO] [stdout] 90 ~     ) -> Option<<StreamType as Stream>::Item> ,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:91:11
[INFO] [stdout]    |
[INFO] [stdout] 91 |     BEH = (fn(<StreamType as Stream>::Error)),
[INFO] [stdout]    |           ^                                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 91 -     BEH = (fn(<StreamType as Stream>::Error)),
[INFO] [stdout] 91 +     BEH = fn(<StreamType as Stream>::Error) ,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:109:48
[INFO] [stdout]     |
[INFO] [stdout] 109 | type DefaultFilterType<SinkType, StreamType> = (fn(
[INFO] [stdout]     |                                                ^
[INFO] [stdout] ...
[INFO] [stdout] 112 | ) -> Option<<StreamType as Stream>::Item>);
[INFO] [stdout]     |                                          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 109 ~ type DefaultFilterType<SinkType, StreamType> = fn(
[INFO] [stdout] 110 |     <StreamType as Stream>::Item,
[INFO] [stdout] 111 |     &mut IoWriter<<SinkType as Sink>::SinkItem>,
[INFO] [stdout] 112 ~ ) -> Option<<StreamType as Stream>::Item> ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:113:44
[INFO] [stdout]     |
[INFO] [stdout] 113 | type DefaultErrorHandlerType<StreamType> = (fn(<StreamType as Stream>::Error));
[INFO] [stdout]     |                                            ^                                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 113 - type DefaultErrorHandlerType<StreamType> = (fn(<StreamType as Stream>::Error));
[INFO] [stdout] 113 + type DefaultErrorHandlerType<StreamType> = fn(<StreamType as Stream>::Error) ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `Command { std: "docker" "inspect" "5b046696e53b89e8d1d7bb38d4080ae62ed4c47d09d79318028ab25cf6b59fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b046696e53b89e8d1d7bb38d4080ae62ed4c47d09d79318028ab25cf6b59fa2", kill_on_drop: false }`
[INFO] [stdout] 5b046696e53b89e8d1d7bb38d4080ae62ed4c47d09d79318028ab25cf6b59fa2
