[INFO] fetching crate yield-return 0.2.0... [INFO] testing yield-return-0.2.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate yield-return 0.2.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate yield-return 0.2.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate yield-return 0.2.0 [INFO] tweaked toml for crates.io crate yield-return 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate yield-return 0.2.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate yield-return 0.2.0 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 718191d1487022da9a8ad019753b7be31e049fe121a12445ae9b2b4070ab4032 [INFO] running `Command { std: "docker" "start" "-a" "718191d1487022da9a8ad019753b7be31e049fe121a12445ae9b2b4070ab4032", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "718191d1487022da9a8ad019753b7be31e049fe121a12445ae9b2b4070ab4032", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "718191d1487022da9a8ad019753b7be31e049fe121a12445ae9b2b4070ab4032", kill_on_drop: false }` [INFO] [stdout] 718191d1487022da9a8ad019753b7be31e049fe121a12445ae9b2b4070ab4032 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 924c60aa496fe11606395a9de748763f7c053310bd8531e567123d3318660d27 [INFO] running `Command { std: "docker" "start" "-a" "924c60aa496fe11606395a9de748763f7c053310bd8531e567123d3318660d27", kill_on_drop: false }` [INFO] [stderr] Compiling yield-return v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "924c60aa496fe11606395a9de748763f7c053310bd8531e567123d3318660d27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "924c60aa496fe11606395a9de748763f7c053310bd8531e567123d3318660d27", kill_on_drop: false }` [INFO] [stdout] 924c60aa496fe11606395a9de748763f7c053310bd8531e567123d3318660d27 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 271e83b6675ae225302c9e98ced885e316de8135df2b27750b356a0728cd348e [INFO] running `Command { std: "docker" "start" "-a" "271e83b6675ae225302c9e98ced885e316de8135df2b27750b356a0728cd348e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling syn v2.0.96 [INFO] [stderr] Compiling structmeta-derive v0.3.0 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling rt-local-macros v0.1.4 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling structmeta v0.3.0 [INFO] [stderr] Compiling derive-ex v0.1.8 [INFO] [stderr] Compiling slabmap v0.2.1 [INFO] [stderr] Compiling rt-local-core v0.1.3 [INFO] [stderr] Compiling rt-local v0.1.4 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling yield-return v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 13.77s [INFO] running `Command { std: "docker" "inspect" "271e83b6675ae225302c9e98ced885e316de8135df2b27750b356a0728cd348e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "271e83b6675ae225302c9e98ced885e316de8135df2b27750b356a0728cd348e", kill_on_drop: false }` [INFO] [stdout] 271e83b6675ae225302c9e98ced885e316de8135df2b27750b356a0728cd348e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b7686b3300200b9f6f1b2e024590e5b06fd0be0142ae1ef276f91b3d00fc72ca [INFO] running `Command { std: "docker" "start" "-a" "b7686b3300200b9f6f1b2e024590e5b06fd0be0142ae1ef276f91b3d00fc72ca", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/yield_return-6bce268c16f0e970) [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/async_iter.rs (/opt/rustwide/target/debug/deps/async_iter-a233fba2d6b0f1b9) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test check_sync_send ... ok [INFO] [stdout] test fused ... ok [INFO] [stdout] test no_value ... ok [INFO] [stdout] test values ... ok [INFO] [stdout] test values_ret_iter ... ok [INFO] [stdout] test values_with_lifetime ... ok [INFO] [stdout] test no_await_2 - should panic ... ok [INFO] [stdout] test no_await_1 - should panic ... ok [INFO] [stdout] test use_sleep ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Running tests/iter.rs (/opt/rustwide/target/debug/deps/iter-cf241142f39c9e43) [INFO] [stdout] running 9 tests [INFO] [stdout] test check_sync_send ... ok [INFO] [stdout] test no_value ... ok [INFO] [stdout] test fused ... ok [INFO] [stdout] test values_with_lifetime ... ok [INFO] [stdout] test values_ret_iter ... ok [INFO] [stdout] test values ... ok [INFO] [stdout] test no_await_2 - should panic ... ok [INFO] [stdout] test no_await_1 - should panic ... ok [INFO] [stdout] test use_pending - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Running tests/local_async_iter.rs (/opt/rustwide/target/debug/deps/local_async_iter-a5a60197ba130c19) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test check_not_send ... ok [INFO] [stdout] test fused ... ok [INFO] [stdout] test values_with_lifetime ... ok [INFO] [stdout] test values ... ok [INFO] [stdout] test no_value ... ok [INFO] [stdout] test values_ret_iter ... ok [INFO] [stdout] test no_await_2 - should panic ... ok [INFO] [stdout] test no_await_1 - should panic ... ok [INFO] [stdout] test use_sleep ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s [INFO] [stdout] [INFO] [stderr] Running tests/local_iter.rs (/opt/rustwide/target/debug/deps/local_iter-d3261b268b6ffada) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test check_not_send ... ok [INFO] [stdout] test fused ... ok [INFO] [stdout] test no_value ... ok [INFO] [stdout] test values ... ok [INFO] [stdout] test values_with_lifetime ... ok [INFO] [stdout] test values_ret_iter ... ok [INFO] [stdout] test no_await_1 - should panic ... ok [INFO] [stdout] test use_pending - should panic ... ok [INFO] [stdout] test no_await_2 - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s [INFO] [stdout] [INFO] [stderr] Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-fef9913fd13a9bfe) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test fused ... ok [INFO] [stdout] test values_with_lifetime ... ok [INFO] [stdout] test no_value ... ok [INFO] [stdout] test values_ret_iter ... ok [INFO] [stdout] test values ... ok [INFO] [stdout] test invalid_await - should panic ... ok [INFO] [stderr] Doc-tests yield_return [INFO] [stdout] test no_await_2 - should panic ... ok [INFO] [stdout] test no_await_1 - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/lib.rs - (line 5) ... ok [INFO] [stdout] test src/iter.rs - iter::AsyncIter<'a,T>::new (line 157) ... ok [INFO] [stdout] test src/local_iter.rs - local_iter::LocalAsyncIter<'a,T>::new (line 152) ... ok [INFO] [stdout] test src/tests_readme.rs - tests_readme (line 12) ... ok [INFO] [stdout] test src/iter.rs - iter::Iter<'a,T>::new (line 100) ... ok [INFO] [stdout] test src/local_iter.rs - local_iter::LocalIter<'a,T>::new (line 97) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.91s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b7686b3300200b9f6f1b2e024590e5b06fd0be0142ae1ef276f91b3d00fc72ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7686b3300200b9f6f1b2e024590e5b06fd0be0142ae1ef276f91b3d00fc72ca", kill_on_drop: false }` [INFO] [stdout] b7686b3300200b9f6f1b2e024590e5b06fd0be0142ae1ef276f91b3d00fc72ca