[INFO] fetching crate safina-executor 0.3.4...
[INFO] testing safina-executor-0.3.4 against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] extracting crate safina-executor 0.3.4 into /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate safina-executor 0.3.4 on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded safina-threadpool v0.2.5
[INFO] [stderr]   Downloaded safina-timer v0.1.13
[INFO] [stderr]   Downloaded safina-sync v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03122ed6b1f4f4265870ddd4e2ecb14b992bccd906fcde0f1ce630a6067b888e
[INFO] running `Command { std: "docker" "start" "-a" "03122ed6b1f4f4265870ddd4e2ecb14b992bccd906fcde0f1ce630a6067b888e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03122ed6b1f4f4265870ddd4e2ecb14b992bccd906fcde0f1ce630a6067b888e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03122ed6b1f4f4265870ddd4e2ecb14b992bccd906fcde0f1ce630a6067b888e", kill_on_drop: false }`
[INFO] [stdout] 03122ed6b1f4f4265870ddd4e2ecb14b992bccd906fcde0f1ce630a6067b888e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] beefbe4ef5a5d74321a2b90ee6e583276b8ca0042466057765052ce97a5a05ea
[INFO] running `Command { std: "docker" "start" "-a" "beefbe4ef5a5d74321a2b90ee6e583276b8ca0042466057765052ce97a5a05ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling safina-threadpool v0.2.5
[INFO] [stderr]    Compiling safina-sync 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 1.07s
[INFO] running `Command { std: "docker" "inspect" "beefbe4ef5a5d74321a2b90ee6e583276b8ca0042466057765052ce97a5a05ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beefbe4ef5a5d74321a2b90ee6e583276b8ca0042466057765052ce97a5a05ea", kill_on_drop: false }`
[INFO] [stdout] beefbe4ef5a5d74321a2b90ee6e583276b8ca0042466057765052ce97a5a05ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f70ab2b4e8497d8f6093ea1a05ab6caa656f5582bb1487bfe152d7d7fe301e1d
[INFO] running `Command { std: "docker" "start" "-a" "f70ab2b4e8497d8f6093ea1a05ab6caa656f5582bb1487bfe152d7d7fe301e1d", 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 2.65s
[INFO] running `Command { std: "docker" "inspect" "f70ab2b4e8497d8f6093ea1a05ab6caa656f5582bb1487bfe152d7d7fe301e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f70ab2b4e8497d8f6093ea1a05ab6caa656f5582bb1487bfe152d7d7fe301e1d", kill_on_drop: false }`
[INFO] [stdout] f70ab2b4e8497d8f6093ea1a05ab6caa656f5582bb1487bfe152d7d7fe301e1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4f03288489804d910acc1fb29a283d5a488180ff2698d1d605ed7e21208e4f74
[INFO] running `Command { std: "docker" "start" "-a" "4f03288489804d910acc1fb29a283d5a488180ff2698d1d605ed7e21208e4f74", 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 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/safina_executor-0df9e92fbc1e0afd)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-36f11c76750e6341)
[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] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test test_block_on_unpin ... ok
[INFO] [stdout] test test_executor_schedule_blocking_move ... ok
[INFO] [stdout] test no_executor_running ... ok
[INFO] [stdout] test test_executor_schedule_blocking_panic ... ok
[INFO] [stdout] test test_executor_schedule_blocking_simple ... ok
[INFO] [stdout] test test_executor_schedule_blocking_recv ... ok
[INFO] [stdout] test test_block_on ... ok
[INFO] [stdout] test test_schedule_blocking_move ... ok
[INFO] [stdout] test test_schedule_blocking_panic ... ok
[INFO] [stdout] test test_executor_block_on ... ok
[INFO] [stdout] test test_schedule_blocking_simple ... ok
[INFO] [stdout] test test_spawn ... ok
[INFO] [stdout] test test_spawn_unpin ... ok
[INFO] [stdout] test test_wake_after_ready ... ok
[INFO] [stdout] test test_executor_schedule_blocking_sleep ... ok
[INFO] [stdout] test test_schedule_blocking_sleep ... ok
[INFO] [stdout] test test_schedule_blocking_recv ... ok
[INFO] [stdout] test test_waking ... ok
[INFO] [stdout] test test_default ... ok
[INFO] [stdout] test test_default_trait ... ok
[INFO] [stdout] test test_new ... ok
[INFO] [stdout] test test_with_name ... ok
[INFO] [stdout] test test_async_panic has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "4f03288489804d910acc1fb29a283d5a488180ff2698d1d605ed7e21208e4f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f03288489804d910acc1fb29a283d5a488180ff2698d1d605ed7e21208e4f74", kill_on_drop: false }`
[INFO] [stdout] 4f03288489804d910acc1fb29a283d5a488180ff2698d1d605ed7e21208e4f74