[INFO] fetching crate safina-executor 0.3.4...
[INFO] testing safina-executor-0.3.4 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate safina-executor 0.3.4 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate safina-executor 0.3.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate safina-executor 0.3.4
[INFO] tweaked toml for crates.io crate safina-executor 0.3.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate safina-executor 0.3.4 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded safina-timer v0.1.13
[INFO] [stderr]   Downloaded safina-threadpool v0.2.5
[INFO] [stderr]   Downloaded safina-sync v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be4c6233c1217448f541312428ed53d23579dd1a96fed4fb2df940e05b7ca19a
[INFO] running `Command { std: "docker" "start" "-a" "be4c6233c1217448f541312428ed53d23579dd1a96fed4fb2df940e05b7ca19a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be4c6233c1217448f541312428ed53d23579dd1a96fed4fb2df940e05b7ca19a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be4c6233c1217448f541312428ed53d23579dd1a96fed4fb2df940e05b7ca19a", kill_on_drop: false }`
[INFO] [stdout] be4c6233c1217448f541312428ed53d23579dd1a96fed4fb2df940e05b7ca19a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38d9f0e05b937258f5235c89d0241edf85ee4163122d8e8f91921c40b0f6aacd
[INFO] running `Command { std: "docker" "start" "-a" "38d9f0e05b937258f5235c89d0241edf85ee4163122d8e8f91921c40b0f6aacd", kill_on_drop: false }`
[INFO] [stderr]    Compiling safina-sync v0.2.5
[INFO] [stderr]    Compiling safina-threadpool v0.2.5
[INFO] [stderr]    Compiling safina-executor v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:309:46
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn spawn(self: &Arc<Self>, fut: impl (Future<Output = ()>) + Send + 'static) {
[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] 309 -     pub fn spawn(self: &Arc<Self>, fut: impl (Future<Output = ()>) + Send + 'static) {
[INFO] [stdout] 309 +     pub fn spawn(self: &Arc<Self>, fut: impl Future<Output = ()> + Send + 'static) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:327:52
[INFO] [stdout]     |
[INFO] [stdout] 327 |     pub fn spawn_unpin(self: &Arc<Self>, fut: impl (Future<Output = ()>) + Send + Unpin + 'static) {
[INFO] [stdout]     |                                                    ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 327 -     pub fn spawn_unpin(self: &Arc<Self>, fut: impl (Future<Output = ()>) + Send + Unpin + 'static) {
[INFO] [stdout] 327 +     pub fn spawn_unpin(self: &Arc<Self>, fut: impl Future<Output = ()> + Send + Unpin + 'static) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:362:52
[INFO] [stdout]     |
[INFO] [stdout] 362 |     pub fn block_on<R>(self: &Arc<Self>, fut: impl (Future<Output = R>) + 'static) -> R {
[INFO] [stdout]     |                                                    ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 362 -     pub fn block_on<R>(self: &Arc<Self>, fut: impl (Future<Output = R>) + 'static) -> R {
[INFO] [stdout] 362 +     pub fn block_on<R>(self: &Arc<Self>, fut: impl Future<Output = R> + 'static) -> R {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:384:19
[INFO] [stdout]     |
[INFO] [stdout] 384 |         fut: impl (Future<Output = R>) + Unpin + 'static,
[INFO] [stdout]     |                   ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 384 -         fut: impl (Future<Output = R>) + Unpin + 'static,
[INFO] [stdout] 384 +         fut: impl Future<Output = R> + Unpin + 'static,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:496:24
[INFO] [stdout]     |
[INFO] [stdout] 496 | pub fn spawn(fut: impl (Future<Output = ()>) + Send + 'static) {
[INFO] [stdout]     |                        ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 496 - pub fn spawn(fut: impl (Future<Output = ()>) + Send + 'static) {
[INFO] [stdout] 496 + pub fn spawn(fut: impl Future<Output = ()> + Send + 'static) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:514:30
[INFO] [stdout]     |
[INFO] [stdout] 514 | pub fn spawn_unpin(fut: impl (Future<Output = ()>) + Send + Unpin + 'static) {
[INFO] [stdout]     |                              ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 514 - pub fn spawn_unpin(fut: impl (Future<Output = ()>) + Send + Unpin + 'static) {
[INFO] [stdout] 514 + pub fn spawn_unpin(fut: impl Future<Output = ()> + Send + Unpin + 'static) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:563:30
[INFO] [stdout]     |
[INFO] [stdout] 563 | pub fn block_on<R>(fut: impl (Future<Output = R>) + 'static) -> R {
[INFO] [stdout]     |                              ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 563 - pub fn block_on<R>(fut: impl (Future<Output = R>) + 'static) -> R {
[INFO] [stdout] 563 + pub fn block_on<R>(fut: impl Future<Output = R> + 'static) -> R {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:585:40
[INFO] [stdout]     |
[INFO] [stdout] 585 | pub fn block_on_unpin<R>(mut fut: impl (Future<Output = R>) + Unpin + 'static) -> R {
[INFO] [stdout]     |                                        ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 585 - pub fn block_on_unpin<R>(mut fut: impl (Future<Output = R>) + Unpin + 'static) -> R {
[INFO] [stdout] 585 + pub fn block_on_unpin<R>(mut fut: impl Future<Output = R> + Unpin + 'static) -> R {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "38d9f0e05b937258f5235c89d0241edf85ee4163122d8e8f91921c40b0f6aacd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d9f0e05b937258f5235c89d0241edf85ee4163122d8e8f91921c40b0f6aacd", kill_on_drop: false }`
[INFO] [stdout] 38d9f0e05b937258f5235c89d0241edf85ee4163122d8e8f91921c40b0f6aacd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d27d677b94074010af41d01c13822d4ef5d35c71938e3ecf2ad018179463b10
[INFO] running `Command { std: "docker" "start" "-a" "9d27d677b94074010af41d01c13822d4ef5d35c71938e3ecf2ad018179463b10", kill_on_drop: false }`
[INFO] [stderr]    Compiling safina-timer v0.1.13
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:309:46
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn spawn(self: &Arc<Self>, fut: impl (Future<Output = ()>) + Send + 'static) {
[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] 309 -     pub fn spawn(self: &Arc<Self>, fut: impl (Future<Output = ()>) + Send + 'static) {
[INFO] [stdout] 309 +     pub fn spawn(self: &Arc<Self>, fut: impl Future<Output = ()> + Send + 'static) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:327:52
[INFO] [stdout]     |
[INFO] [stdout] 327 |     pub fn spawn_unpin(self: &Arc<Self>, fut: impl (Future<Output = ()>) + Send + Unpin + 'static) {
[INFO] [stdout]     |                                                    ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 327 -     pub fn spawn_unpin(self: &Arc<Self>, fut: impl (Future<Output = ()>) + Send + Unpin + 'static) {
[INFO] [stdout] 327 +     pub fn spawn_unpin(self: &Arc<Self>, fut: impl Future<Output = ()> + Send + Unpin + 'static) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:362:52
[INFO] [stdout]     |
[INFO] [stdout] 362 |     pub fn block_on<R>(self: &Arc<Self>, fut: impl (Future<Output = R>) + 'static) -> R {
[INFO] [stdout]     |                                                    ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 362 -     pub fn block_on<R>(self: &Arc<Self>, fut: impl (Future<Output = R>) + 'static) -> R {
[INFO] [stdout] 362 +     pub fn block_on<R>(self: &Arc<Self>, fut: impl Future<Output = R> + 'static) -> R {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:384:19
[INFO] [stdout]     |
[INFO] [stdout] 384 |         fut: impl (Future<Output = R>) + Unpin + 'static,
[INFO] [stdout]     |                   ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 384 -         fut: impl (Future<Output = R>) + Unpin + 'static,
[INFO] [stdout] 384 +         fut: impl Future<Output = R> + Unpin + 'static,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:496:24
[INFO] [stdout]     |
[INFO] [stdout] 496 | pub fn spawn(fut: impl (Future<Output = ()>) + Send + 'static) {
[INFO] [stdout]     |                        ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 496 - pub fn spawn(fut: impl (Future<Output = ()>) + Send + 'static) {
[INFO] [stdout] 496 + pub fn spawn(fut: impl Future<Output = ()> + Send + 'static) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:514:30
[INFO] [stdout]     |
[INFO] [stdout] 514 | pub fn spawn_unpin(fut: impl (Future<Output = ()>) + Send + Unpin + 'static) {
[INFO] [stdout]     |                              ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 514 - pub fn spawn_unpin(fut: impl (Future<Output = ()>) + Send + Unpin + 'static) {
[INFO] [stdout] 514 + pub fn spawn_unpin(fut: impl Future<Output = ()> + Send + Unpin + 'static) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:563:30
[INFO] [stdout]     |
[INFO] [stdout] 563 | pub fn block_on<R>(fut: impl (Future<Output = R>) + 'static) -> R {
[INFO] [stdout]     |                              ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 563 - pub fn block_on<R>(fut: impl (Future<Output = R>) + 'static) -> R {
[INFO] [stdout] 563 + pub fn block_on<R>(fut: impl Future<Output = R> + 'static) -> R {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:585:40
[INFO] [stdout]     |
[INFO] [stdout] 585 | pub fn block_on_unpin<R>(mut fut: impl (Future<Output = R>) + Unpin + 'static) -> R {
[INFO] [stdout]     |                                        ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 585 - pub fn block_on_unpin<R>(mut fut: impl (Future<Output = R>) + Unpin + 'static) -> R {
[INFO] [stdout] 585 + pub fn block_on_unpin<R>(mut fut: impl Future<Output = R> + Unpin + 'static) -> R {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling safina-executor v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:309:46
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn spawn(self: &Arc<Self>, fut: impl (Future<Output = ()>) + Send + 'static) {
[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] 309 -     pub fn spawn(self: &Arc<Self>, fut: impl (Future<Output = ()>) + Send + 'static) {
[INFO] [stdout] 309 +     pub fn spawn(self: &Arc<Self>, fut: impl Future<Output = ()> + Send + 'static) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:327:52
[INFO] [stdout]     |
[INFO] [stdout] 327 |     pub fn spawn_unpin(self: &Arc<Self>, fut: impl (Future<Output = ()>) + Send + Unpin + 'static) {
[INFO] [stdout]     |                                                    ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 327 -     pub fn spawn_unpin(self: &Arc<Self>, fut: impl (Future<Output = ()>) + Send + Unpin + 'static) {
[INFO] [stdout] 327 +     pub fn spawn_unpin(self: &Arc<Self>, fut: impl Future<Output = ()> + Send + Unpin + 'static) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:362:52
[INFO] [stdout]     |
[INFO] [stdout] 362 |     pub fn block_on<R>(self: &Arc<Self>, fut: impl (Future<Output = R>) + 'static) -> R {
[INFO] [stdout]     |                                                    ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 362 -     pub fn block_on<R>(self: &Arc<Self>, fut: impl (Future<Output = R>) + 'static) -> R {
[INFO] [stdout] 362 +     pub fn block_on<R>(self: &Arc<Self>, fut: impl Future<Output = R> + 'static) -> R {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:384:19
[INFO] [stdout]     |
[INFO] [stdout] 384 |         fut: impl (Future<Output = R>) + Unpin + 'static,
[INFO] [stdout]     |                   ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 384 -         fut: impl (Future<Output = R>) + Unpin + 'static,
[INFO] [stdout] 384 +         fut: impl Future<Output = R> + Unpin + 'static,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:496:24
[INFO] [stdout]     |
[INFO] [stdout] 496 | pub fn spawn(fut: impl (Future<Output = ()>) + Send + 'static) {
[INFO] [stdout]     |                        ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 496 - pub fn spawn(fut: impl (Future<Output = ()>) + Send + 'static) {
[INFO] [stdout] 496 + pub fn spawn(fut: impl Future<Output = ()> + Send + 'static) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:514:30
[INFO] [stdout]     |
[INFO] [stdout] 514 | pub fn spawn_unpin(fut: impl (Future<Output = ()>) + Send + Unpin + 'static) {
[INFO] [stdout]     |                              ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 514 - pub fn spawn_unpin(fut: impl (Future<Output = ()>) + Send + Unpin + 'static) {
[INFO] [stdout] 514 + pub fn spawn_unpin(fut: impl Future<Output = ()> + Send + Unpin + 'static) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:563:30
[INFO] [stdout]     |
[INFO] [stdout] 563 | pub fn block_on<R>(fut: impl (Future<Output = R>) + 'static) -> R {
[INFO] [stdout]     |                              ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 563 - pub fn block_on<R>(fut: impl (Future<Output = R>) + 'static) -> R {
[INFO] [stdout] 563 + pub fn block_on<R>(fut: impl Future<Output = R> + 'static) -> R {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:585:40
[INFO] [stdout]     |
[INFO] [stdout] 585 | pub fn block_on_unpin<R>(mut fut: impl (Future<Output = R>) + Unpin + 'static) -> R {
[INFO] [stdout]     |                                        ^                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 585 - pub fn block_on_unpin<R>(mut fut: impl (Future<Output = R>) + Unpin + 'static) -> R {
[INFO] [stdout] 585 + pub fn block_on_unpin<R>(mut fut: impl Future<Output = R> + Unpin + 'static) -> R {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "9d27d677b94074010af41d01c13822d4ef5d35c71938e3ecf2ad018179463b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d27d677b94074010af41d01c13822d4ef5d35c71938e3ecf2ad018179463b10", kill_on_drop: false }`
[INFO] [stdout] 9d27d677b94074010af41d01c13822d4ef5d35c71938e3ecf2ad018179463b10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8b69e7f1b7ca8aeae9f6b23f51170be3fe4768ac5c2fbe4771ab39061d0a309
[INFO] running `Command { std: "docker" "start" "-a" "b8b69e7f1b7ca8aeae9f6b23f51170be3fe4768ac5c2fbe4771ab39061d0a309", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:309:46
[INFO] [stderr]     |
[INFO] [stderr] 309 |     pub fn spawn(self: &Arc<Self>, fut: impl (Future<Output = ()>) + Send + 'static) {
[INFO] [stderr]     |                                              ^                   ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 309 -     pub fn spawn(self: &Arc<Self>, fut: impl (Future<Output = ()>) + Send + 'static) {
[INFO] [stderr] 309 +     pub fn spawn(self: &Arc<Self>, fut: impl Future<Output = ()> + Send + 'static) {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:327:52
[INFO] [stderr]     |
[INFO] [stderr] 327 |     pub fn spawn_unpin(self: &Arc<Self>, fut: impl (Future<Output = ()>) + Send + Unpin + 'static) {
[INFO] [stderr]     |                                                    ^                   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 327 -     pub fn spawn_unpin(self: &Arc<Self>, fut: impl (Future<Output = ()>) + Send + Unpin + 'static) {
[INFO] [stderr] 327 +     pub fn spawn_unpin(self: &Arc<Self>, fut: impl Future<Output = ()> + Send + Unpin + 'static) {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:362:52
[INFO] [stderr]     |
[INFO] [stderr] 362 |     pub fn block_on<R>(self: &Arc<Self>, fut: impl (Future<Output = R>) + 'static) -> R {
[INFO] [stderr]     |                                                    ^                  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 362 -     pub fn block_on<R>(self: &Arc<Self>, fut: impl (Future<Output = R>) + 'static) -> R {
[INFO] [stderr] 362 +     pub fn block_on<R>(self: &Arc<Self>, fut: impl Future<Output = R> + 'static) -> R {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:384:19
[INFO] [stderr]     |
[INFO] [stderr] 384 |         fut: impl (Future<Output = R>) + Unpin + 'static,
[INFO] [stderr]     |                   ^                  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 384 -         fut: impl (Future<Output = R>) + Unpin + 'static,
[INFO] [stderr] 384 +         fut: impl Future<Output = R> + Unpin + 'static,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:496:24
[INFO] [stderr]     |
[INFO] [stderr] 496 | pub fn spawn(fut: impl (Future<Output = ()>) + Send + 'static) {
[INFO] [stderr]     |                        ^                   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 496 - pub fn spawn(fut: impl (Future<Output = ()>) + Send + 'static) {
[INFO] [stderr] 496 + pub fn spawn(fut: impl Future<Output = ()> + Send + 'static) {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:514:30
[INFO] [stderr]     |
[INFO] [stderr] 514 | pub fn spawn_unpin(fut: impl (Future<Output = ()>) + Send + Unpin + 'static) {
[INFO] [stderr]     |                              ^                   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 514 - pub fn spawn_unpin(fut: impl (Future<Output = ()>) + Send + Unpin + 'static) {
[INFO] [stderr] 514 + pub fn spawn_unpin(fut: impl Future<Output = ()> + Send + Unpin + 'static) {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:563:30
[INFO] [stderr]     |
[INFO] [stderr] 563 | pub fn block_on<R>(fut: impl (Future<Output = R>) + 'static) -> R {
[INFO] [stderr]     |                              ^                  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 563 - pub fn block_on<R>(fut: impl (Future<Output = R>) + 'static) -> R {
[INFO] [stderr] 563 + pub fn block_on<R>(fut: impl Future<Output = R> + 'static) -> R {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:585:40
[INFO] [stderr]     |
[INFO] [stderr] 585 | pub fn block_on_unpin<R>(mut fut: impl (Future<Output = R>) + Unpin + 'static) -> R {
[INFO] [stderr]     |                                        ^                  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 585 - pub fn block_on_unpin<R>(mut fut: impl (Future<Output = R>) + Unpin + 'static) -> R {
[INFO] [stderr] 585 + pub fn block_on_unpin<R>(mut fut: impl Future<Output = R> + Unpin + 'static) -> R {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `safina-executor` (lib) generated 8 warnings (run `cargo fix --lib -p safina-executor` to apply 8 suggestions)
[INFO] [stderr] warning: `safina-executor` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/safina_executor-5c2cae352e68a9eb)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-6cd804434d03ca75)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test test_block_on_unpin ... ok
[INFO] [stdout] test test_schedule_blocking_move ... ok
[INFO] [stdout] test test_executor_schedule_blocking_move ... ok
[INFO] [stdout] test test_schedule_blocking_simple ... ok
[INFO] [stdout] test test_executor_schedule_blocking_simple ... ok
[INFO] [stdout] test test_spawn_unpin ... ok
[INFO] [stdout] test test_spawn ... ok
[INFO] [stdout] test test_wake_after_ready ... ok
[INFO] [stdout] test test_schedule_blocking_panic ... ok
[INFO] [stdout] test no_executor_running ... ok
[INFO] [stdout] test test_executor_schedule_blocking_panic ... ok
[INFO] [stdout] test test_async_panic ... ok
[INFO] [stdout] test test_block_on ... ok
[INFO] [stdout] test test_executor_block_on ... ok
[INFO] [stdout] test test_executor_schedule_blocking_recv ... ok
[INFO] [stdout] test test_executor_schedule_blocking_sleep ... ok
[INFO] [stdout] test test_schedule_blocking_recv ... ok
[INFO] [stdout] test test_schedule_blocking_sleep ... ok
[INFO] [stdout] test test_waking ... ok
[INFO] [stdout] test test_default ... ok
[INFO] [stdout] test test_with_name ... ok
[INFO] [stdout] test test_default_trait ... ok
[INFO] [stdout] test test_new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests safina_executor
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:309:46
[INFO] [stderr]     |
[INFO] [stderr] 309 |     pub fn spawn(self: &Arc<Self>, fut: impl (Future<Output = ()>) + Send + 'static) {
[INFO] [stderr]     |                                              ^                   ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 309 -     pub fn spawn(self: &Arc<Self>, fut: impl (Future<Output = ()>) + Send + 'static) {
[INFO] [stderr] 309 +     pub fn spawn(self: &Arc<Self>, fut: impl Future<Output = ()> + Send + 'static) {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:327:52
[INFO] [stderr]     |
[INFO] [stderr] 327 |     pub fn spawn_unpin(self: &Arc<Self>, fut: impl (Future<Output = ()>) + Send + Unpin + 'static) {
[INFO] [stderr]     |                                                    ^                   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 327 -     pub fn spawn_unpin(self: &Arc<Self>, fut: impl (Future<Output = ()>) + Send + Unpin + 'static) {
[INFO] [stderr] 327 +     pub fn spawn_unpin(self: &Arc<Self>, fut: impl Future<Output = ()> + Send + Unpin + 'static) {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:362:52
[INFO] [stderr]     |
[INFO] [stderr] 362 |     pub fn block_on<R>(self: &Arc<Self>, fut: impl (Future<Output = R>) + 'static) -> R {
[INFO] [stderr]     |                                                    ^                  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 362 -     pub fn block_on<R>(self: &Arc<Self>, fut: impl (Future<Output = R>) + 'static) -> R {
[INFO] [stderr] 362 +     pub fn block_on<R>(self: &Arc<Self>, fut: impl Future<Output = R> + 'static) -> R {
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 7 tests
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:384:19
[INFO] [stderr]     |
[INFO] [stderr] 384 |         fut: impl (Future<Output = R>) + Unpin + 'static,
[INFO] [stderr]     |                   ^                  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 384 -         fut: impl (Future<Output = R>) + Unpin + 'static,
[INFO] [stderr] 384 +         fut: impl Future<Output = R> + Unpin + 'static,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:496:24
[INFO] [stderr]     |
[INFO] [stderr] 496 | pub fn spawn(fut: impl (Future<Output = ()>) + Send + 'static) {
[INFO] [stderr]     |                        ^                   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 496 - pub fn spawn(fut: impl (Future<Output = ()>) + Send + 'static) {
[INFO] [stderr] 496 + pub fn spawn(fut: impl Future<Output = ()> + Send + 'static) {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:514:30
[INFO] [stderr]     |
[INFO] [stderr] 514 | pub fn spawn_unpin(fut: impl (Future<Output = ()>) + Send + Unpin + 'static) {
[INFO] [stderr]     |                              ^                   ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 514 - pub fn spawn_unpin(fut: impl (Future<Output = ()>) + Send + Unpin + 'static) {
[INFO] [stderr] 514 + pub fn spawn_unpin(fut: impl Future<Output = ()> + Send + Unpin + 'static) {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:563:30
[INFO] [stderr]     |
[INFO] [stderr] 563 | pub fn block_on<R>(fut: impl (Future<Output = R>) + 'static) -> R {
[INFO] [stderr]     |                              ^                  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 563 - pub fn block_on<R>(fut: impl (Future<Output = R>) + 'static) -> R {
[INFO] [stderr] 563 + pub fn block_on<R>(fut: impl Future<Output = R> + 'static) -> R {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:585:40
[INFO] [stderr]     |
[INFO] [stderr] 585 | pub fn block_on_unpin<R>(mut fut: impl (Future<Output = R>) + Unpin + 'static) -> R {
[INFO] [stderr]     |                                        ^                  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 585 - pub fn block_on_unpin<R>(mut fut: impl (Future<Output = R>) + Unpin + 'static) -> R {
[INFO] [stderr] 585 + pub fn block_on_unpin<R>(mut fut: impl Future<Output = R> + Unpin + 'static) -> R {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] test src/lib.rs - spawn (line 485) ... ok
[INFO] [stdout] test src/lib.rs - Executor::spawn (line 300) ... ok
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/lib.rs - block_on (line 552) ... ok
[INFO] [stdout] test src/lib.rs - Executor::block_on (line 350) ... ok
[INFO] [stdout] test src/lib.rs - (line 55) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b8b69e7f1b7ca8aeae9f6b23f51170be3fe4768ac5c2fbe4771ab39061d0a309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b69e7f1b7ca8aeae9f6b23f51170be3fe4768ac5c2fbe4771ab39061d0a309", kill_on_drop: false }`
[INFO] [stdout] b8b69e7f1b7ca8aeae9f6b23f51170be3fe4768ac5c2fbe4771ab39061d0a309
