[INFO] crate tokio-simplified 0.2.2 is already in cache
[INFO] checking tokio-simplified-0.2.2 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate tokio-simplified 0.2.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tokio-simplified 0.2.2 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[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/source/Cargo.toml
[INFO] crate crates.io crate tokio-simplified 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3d179c0cc2f20527e7e86fad79d97c41ad5a145983be07e1bee2885e1b845078
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "3d179c0cc2f20527e7e86fad79d97c41ad5a145983be07e1bee2885e1b845078"`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking futures v0.1.27
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking arrayvec v0.4.10
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.17
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking tokio-sync v0.1.5
[INFO] [stderr]     Checking futures-promises v0.1.7
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[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] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:87:10
[INFO] [stderr]    |
[INFO] [stderr] 87 |       BF = (fn(
[INFO] [stderr]    |  __________^
[INFO] [stderr] 88 | |         <StreamType as Stream>::Item,
[INFO] [stderr] 89 | |         &mut IoWriter<<SinkType as Sink>::SinkItem>,
[INFO] [stderr] 90 | |     ) -> Option<<StreamType as Stream>::Item>),
[INFO] [stderr]    | |______________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 87 |     BF = fn(
[INFO] [stderr] 88 |         <StreamType as Stream>::Item,
[INFO] [stderr] 89 |         &mut IoWriter<<SinkType as Sink>::SinkItem>,
[INFO] [stderr] 90 |     ) -> Option<<StreamType as Stream>::Item>,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:91:11
[INFO] [stderr]    |
[INFO] [stderr] 91 |     BEH = (fn(<StreamType as Stream>::Error)),
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:87:10
[INFO] [stderr]    |
[INFO] [stderr] 87 |       BF = (fn(
[INFO] [stderr]    |  __________^
[INFO] [stderr] 88 | |         <StreamType as Stream>::Item,
[INFO] [stderr] 89 | |         &mut IoWriter<<SinkType as Sink>::SinkItem>,
[INFO] [stderr] 90 | |     ) -> Option<<StreamType as Stream>::Item>),
[INFO] [stderr]    | |______________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 87 |     BF = fn(
[INFO] [stderr] 88 |         <StreamType as Stream>::Item,
[INFO] [stderr] 89 |         &mut IoWriter<<SinkType as Sink>::SinkItem>,
[INFO] [stderr] 90 |     ) -> Option<<StreamType as Stream>::Item>,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:91:11
[INFO] [stderr]    |
[INFO] [stderr] 91 |     BEH = (fn(<StreamType as Stream>::Error)),
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:109:48
[INFO] [stderr]     |
[INFO] [stderr] 109 |   type DefaultFilterType<SinkType, StreamType> = (fn(
[INFO] [stderr]     |  ________________________________________________^
[INFO] [stderr] 110 | |     <StreamType as Stream>::Item,
[INFO] [stderr] 111 | |     &mut IoWriter<<SinkType as Sink>::SinkItem>,
[INFO] [stderr] 112 | | ) -> Option<<StreamType as Stream>::Item>);
[INFO] [stderr]     | |__________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 109 | type DefaultFilterType<SinkType, StreamType> = fn(
[INFO] [stderr] 110 |     <StreamType as Stream>::Item,
[INFO] [stderr] 111 |     &mut IoWriter<<SinkType as Sink>::SinkItem>,
[INFO] [stderr] 112 | ) -> Option<<StreamType as Stream>::Item>;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:109:48
[INFO] [stderr]     |
[INFO] [stderr] 109 |   type DefaultFilterType<SinkType, StreamType> = (fn(
[INFO] [stderr]     |  ________________________________________________^
[INFO] [stderr] 110 | |     <StreamType as Stream>::Item,
[INFO] [stderr] 111 | |     &mut IoWriter<<SinkType as Sink>::SinkItem>,
[INFO] [stderr] 112 | | ) -> Option<<StreamType as Stream>::Item>);
[INFO] [stderr]     | |__________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 109 | type DefaultFilterType<SinkType, StreamType> = fn(
[INFO] [stderr] 110 |     <StreamType as Stream>::Item,
[INFO] [stderr] 111 |     &mut IoWriter<<SinkType as Sink>::SinkItem>,
[INFO] [stderr] 112 | ) -> Option<<StreamType as Stream>::Item>;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:113:44
[INFO] [stderr]     |
[INFO] [stderr] 113 | type DefaultErrorHandlerType<StreamType> = (fn(<StreamType as Stream>::Error));
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:113:44
[INFO] [stderr]     |
[INFO] [stderr] 113 | type DefaultErrorHandlerType<StreamType> = (fn(<StreamType as Stream>::Error));
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.25s
[INFO] running `"docker" "inspect" "3d179c0cc2f20527e7e86fad79d97c41ad5a145983be07e1bee2885e1b845078"`
[INFO] running `"docker" "rm" "-f" "3d179c0cc2f20527e7e86fad79d97c41ad5a145983be07e1bee2885e1b845078"`
[INFO] [stdout] 3d179c0cc2f20527e7e86fad79d97c41ad5a145983be07e1bee2885e1b845078