[INFO] fetching crate spawn_groups 1.1.0... [INFO] testing spawn_groups-1.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate spawn_groups 1.1.0 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate spawn_groups 1.1.0 [INFO] finished tweaking crates.io crate spawn_groups 1.1.0 [INFO] tweaked toml for crates.io crate spawn_groups 1.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate spawn_groups 1.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate spawn_groups 1.1.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded async-lock v3.4.0 [INFO] [stderr] Downloaded event-listener v5.4.0 [INFO] [stderr] Downloaded futures-lite v2.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9dea3c521f9899084d6b6cf959ffdafb7f32b87f0e00610fe030490c9775332d [INFO] running `Command { std: "docker" "start" "-a" "9dea3c521f9899084d6b6cf959ffdafb7f32b87f0e00610fe030490c9775332d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9dea3c521f9899084d6b6cf959ffdafb7f32b87f0e00610fe030490c9775332d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9dea3c521f9899084d6b6cf959ffdafb7f32b87f0e00610fe030490c9775332d", kill_on_drop: false }` [INFO] [stdout] 9dea3c521f9899084d6b6cf959ffdafb7f32b87f0e00610fe030490c9775332d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 24af6f9aeedcdab355428df82fa613dc78d188c9001dfa85153cce17bd2058d2 [INFO] running `Command { std: "docker" "start" "-a" "24af6f9aeedcdab355428df82fa613dc78d188c9001dfa85153cce17bd2058d2", kill_on_drop: false }` [INFO] [stderr] Compiling parking v2.2.1 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling fastrand v2.3.0 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling concurrent-queue v2.5.0 [INFO] [stderr] Compiling futures-lite v2.6.0 [INFO] [stderr] Compiling event-listener v5.4.0 [INFO] [stderr] Compiling event-listener-strategy v0.5.4 [INFO] [stderr] Compiling async-lock v3.4.0 [INFO] [stderr] Compiling spawn_groups v1.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/shared/mutex.rs:12:24 [INFO] [stdout] | [INFO] [stdout] 12 | pub(crate) fn lock(&self) -> StdMutexGuard { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 12 | pub(crate) fn lock(&self) -> StdMutexGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.76s [INFO] running `Command { std: "docker" "inspect" "24af6f9aeedcdab355428df82fa613dc78d188c9001dfa85153cce17bd2058d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24af6f9aeedcdab355428df82fa613dc78d188c9001dfa85153cce17bd2058d2", kill_on_drop: false }` [INFO] [stdout] 24af6f9aeedcdab355428df82fa613dc78d188c9001dfa85153cce17bd2058d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff8040e89d4d908494d078ded06fb470f1f0097760cd22fafb4feb9d939196ea [INFO] running `Command { std: "docker" "start" "-a" "ff8040e89d4d908494d078ded06fb470f1f0097760cd22fafb4feb9d939196ea", kill_on_drop: false }` [INFO] [stderr] Compiling spawn_groups v1.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/shared/mutex.rs:12:24 [INFO] [stdout] | [INFO] [stdout] 12 | pub(crate) fn lock(&self) -> StdMutexGuard { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 12 | pub(crate) fn lock(&self) -> StdMutexGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/shared/mutex.rs:12:24 [INFO] [stdout] | [INFO] [stdout] 12 | pub(crate) fn lock(&self) -> StdMutexGuard { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 12 | pub(crate) fn lock(&self) -> StdMutexGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s [INFO] running `Command { std: "docker" "inspect" "ff8040e89d4d908494d078ded06fb470f1f0097760cd22fafb4feb9d939196ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff8040e89d4d908494d078ded06fb470f1f0097760cd22fafb4feb9d939196ea", kill_on_drop: false }` [INFO] [stdout] ff8040e89d4d908494d078ded06fb470f1f0097760cd22fafb4feb9d939196ea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 74b98fe001b357e7000f8c965b327e9376656079c0f7c2f91aeabead7317ba8d [INFO] running `Command { std: "docker" "start" "-a" "74b98fe001b357e7000f8c965b327e9376656079c0f7c2f91aeabead7317ba8d", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/shared/mutex.rs:12:24 [INFO] [stderr] | [INFO] [stderr] 12 | pub(crate) fn lock(&self) -> StdMutexGuard { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 12 | pub(crate) fn lock(&self) -> StdMutexGuard<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `spawn_groups` (lib) generated 1 warning (run `cargo fix --lib -p spawn_groups` to apply 1 suggestion) [INFO] [stderr] warning: `spawn_groups` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spawn_groups-2a818fcb633d55a2) [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] Doc-tests spawn_groups [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test src/lib.rs - (line 14) ... ignored [INFO] [stdout] test src/executors/future_executor.rs - executors::future_executor::block_on (line 12) ... ok [INFO] [stdout] test src/lib.rs - with_spawn_group (line 267) ... ok [INFO] [stdout] test src/lib.rs - with_type_spawn_group (line 211) ... ok [INFO] [stdout] test src/lib.rs - with_err_spawn_group (line 423) ... ok [INFO] [stdout] test src/lib.rs - with_discarding_spawn_group (line 519) ... ok [INFO] [stdout] test src/lib.rs - with_err_type_spawn_group (line 322) ... ok [INFO] [stdout] test src/meta_types.rs - meta_types::PhantomData (line 7) ... ok [INFO] [stdout] test src/lib.rs - (line 123) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.48s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "74b98fe001b357e7000f8c965b327e9376656079c0f7c2f91aeabead7317ba8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74b98fe001b357e7000f8c965b327e9376656079c0f7c2f91aeabead7317ba8d", kill_on_drop: false }` [INFO] [stdout] 74b98fe001b357e7000f8c965b327e9376656079c0f7c2f91aeabead7317ba8d