[INFO] fetching crate tokio-simplified 0.2.2... [INFO] checking tokio-simplified-0.2.2 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate tokio-simplified 0.2.2 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate tokio-simplified 0.2.2 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-4/source/Cargo.toml [INFO] crate crates.io crate tokio-simplified 0.2.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-sync v0.1.5 [INFO] [stderr] Downloaded smallvec v0.6.9 [INFO] [stderr] Downloaded arrayvec v0.4.10 [INFO] [stderr] Downloaded crossbeam-epoch v0.7.1 [INFO] [stderr] Downloaded tokio-threadpool v0.1.14 [INFO] [stderr] Downloaded num_cpus v1.10.0 [INFO] [stderr] Downloaded owning_ref v0.4.0 [INFO] [stderr] Downloaded tokio-executor v0.1.7 [INFO] [stderr] Downloaded tokio-udp v0.1.3 [INFO] [stderr] Downloaded autocfg v0.1.2 [INFO] [stderr] Downloaded crossbeam-utils v0.6.5 [INFO] [stderr] Downloaded tokio-uds v0.2.5 [INFO] [stderr] Downloaded tokio-reactor v0.1.9 [INFO] [stderr] Downloaded futures v0.1.27 [INFO] [stderr] Downloaded mio v0.6.17 [INFO] [stderr] Downloaded tokio v0.1.20 [INFO] [stderr] Downloaded futures-promises v0.1.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c5658bf5d567fe8708cc6c4b5e3c16db6bab1fe4864f8d0b23f6c8238b862eeb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c5658bf5d567fe8708cc6c4b5e3c16db6bab1fe4864f8d0b23f6c8238b862eeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c5658bf5d567fe8708cc6c4b5e3c16db6bab1fe4864f8d0b23f6c8238b862eeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5658bf5d567fe8708cc6c4b5e3c16db6bab1fe4864f8d0b23f6c8238b862eeb", kill_on_drop: false }` [INFO] [stdout] c5658bf5d567fe8708cc6c4b5e3c16db6bab1fe4864f8d0b23f6c8238b862eeb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c684c473956aa71a835f0c23c7246a83fbaabc246ad839592c4f08767afea171 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c684c473956aa71a835f0c23c7246a83fbaabc246ad839592c4f08767afea171", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.55 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking futures v0.1.27 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking tokio-trace-core v0.1.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [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 crossbeam-deque v0.7.1 [INFO] [stderr] Checking bytes v0.4.12 [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-current-thread v0.1.6 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Checking tokio-codec v0.1.1 [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] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:87:10 [INFO] [stdout] | [INFO] [stdout] 87 | BF = (fn( [INFO] [stdout] | __________^ [INFO] [stdout] 88 | | ::Item, [INFO] [stdout] 89 | | &mut IoWriter<::SinkItem>, [INFO] [stdout] 90 | | ) -> Option<::Item>), [INFO] [stdout] | |______________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 87 | BF = fn( [INFO] [stdout] 88 | ::Item, [INFO] [stdout] 89 | &mut IoWriter<::SinkItem>, [INFO] [stdout] 90 | ) -> Option<::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(::Error)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [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 = (fn( [INFO] [stdout] | ________________________________________________^ [INFO] [stdout] 110 | | ::Item, [INFO] [stdout] 111 | | &mut IoWriter<::SinkItem>, [INFO] [stdout] 112 | | ) -> Option<::Item>); [INFO] [stdout] | |__________________________________________^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 109 | type DefaultFilterType = fn( [INFO] [stdout] 110 | ::Item, [INFO] [stdout] 111 | &mut IoWriter<::SinkItem>, [INFO] [stdout] 112 | ) -> Option<::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 = (fn(::Error)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [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] 88 | | ::Item, [INFO] [stdout] 89 | | &mut IoWriter<::SinkItem>, [INFO] [stdout] 90 | | ) -> Option<::Item>), [INFO] [stdout] | |______________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 87 | BF = fn( [INFO] [stdout] 88 | ::Item, [INFO] [stdout] 89 | &mut IoWriter<::SinkItem>, [INFO] [stdout] 90 | ) -> Option<::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(::Error)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [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 = (fn( [INFO] [stdout] | ________________________________________________^ [INFO] [stdout] 110 | | ::Item, [INFO] [stdout] 111 | | &mut IoWriter<::SinkItem>, [INFO] [stdout] 112 | | ) -> Option<::Item>); [INFO] [stdout] | |__________________________________________^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 109 | type DefaultFilterType = fn( [INFO] [stdout] 110 | ::Item, [INFO] [stdout] 111 | &mut IoWriter<::SinkItem>, [INFO] [stdout] 112 | ) -> Option<::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 = (fn(::Error)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.78s [INFO] running `Command { std: "docker" "inspect" "c684c473956aa71a835f0c23c7246a83fbaabc246ad839592c4f08767afea171", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c684c473956aa71a835f0c23c7246a83fbaabc246ad839592c4f08767afea171", kill_on_drop: false }` [INFO] [stdout] c684c473956aa71a835f0c23c7246a83fbaabc246ad839592c4f08767afea171