[INFO] fetching crate yield-return 0.2.0... [INFO] testing yield-return-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate yield-return 0.2.0 into /workspace/builds/worker-0-tc1/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-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate yield-return 0.2.0 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 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded structmeta-derive v0.3.0 [INFO] [stderr] Downloaded slabmap v0.2.1 [INFO] [stderr] Downloaded structmeta v0.3.0 [INFO] [stderr] Downloaded derive-ex v0.1.8 [INFO] [stderr] Downloaded rt-local-core v0.1.3 [INFO] [stderr] Downloaded rt-local-macros v0.1.4 [INFO] [stderr] Downloaded rt-local v0.1.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bfe80bf737dbaf9f5869ee01083af4ade7cf027106041005a2f16399ca4d7d5d [INFO] running `Command { std: "docker" "start" "-a" "bfe80bf737dbaf9f5869ee01083af4ade7cf027106041005a2f16399ca4d7d5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bfe80bf737dbaf9f5869ee01083af4ade7cf027106041005a2f16399ca4d7d5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfe80bf737dbaf9f5869ee01083af4ade7cf027106041005a2f16399ca4d7d5d", kill_on_drop: false }` [INFO] [stdout] bfe80bf737dbaf9f5869ee01083af4ade7cf027106041005a2f16399ca4d7d5d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 17b879bdc8ea3cd25289661d07b9bc550314d24c7ad008b7765a05516c4ce5de [INFO] running `Command { std: "docker" "start" "-a" "17b879bdc8ea3cd25289661d07b9bc550314d24c7ad008b7765a05516c4ce5de", kill_on_drop: false }` [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling yield-return v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "17b879bdc8ea3cd25289661d07b9bc550314d24c7ad008b7765a05516c4ce5de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17b879bdc8ea3cd25289661d07b9bc550314d24c7ad008b7765a05516c4ce5de", kill_on_drop: false }` [INFO] [stdout] 17b879bdc8ea3cd25289661d07b9bc550314d24c7ad008b7765a05516c4ce5de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f3d55fe989d55f7716f8058d3c14efe76e3b56d316d5e5e0dfb1518257e517b0 [INFO] running `Command { std: "docker" "start" "-a" "f3d55fe989d55f7716f8058d3c14efe76e3b56d316d5e5e0dfb1518257e517b0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling slab v0.4.9 [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 structmeta v0.3.0 [INFO] [stderr] Compiling derive-ex v0.1.8 [INFO] [stderr] Compiling futures-util v0.3.31 [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 18.60s [INFO] running `Command { std: "docker" "inspect" "f3d55fe989d55f7716f8058d3c14efe76e3b56d316d5e5e0dfb1518257e517b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3d55fe989d55f7716f8058d3c14efe76e3b56d316d5e5e0dfb1518257e517b0", kill_on_drop: false }` [INFO] [stdout] f3d55fe989d55f7716f8058d3c14efe76e3b56d316d5e5e0dfb1518257e517b0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 93db099dbf2ea006d68f6c096642a5329f379f421ea1aee674110c776cc078ad [INFO] running `Command { std: "docker" "start" "-a" "93db099dbf2ea006d68f6c096642a5329f379f421ea1aee674110c776cc078ad", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/yield_return-cd69788baecf76dc) [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-d2e0b1679f052d52) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test check_sync_send ... ok [INFO] [stdout] test no_value ... ok [INFO] [stdout] test values_with_lifetime ... ok [INFO] [stdout] test values ... ok [INFO] [stdout] test values_ret_iter ... ok [INFO] [stdout] test fused ... 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 0.12s [INFO] [stdout] [INFO] [stderr] Running tests/iter.rs (/opt/rustwide/target/debug/deps/iter-1a56b00a3152b45d) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test no_value ... ok [INFO] [stdout] test values_ret_iter ... ok [INFO] [stdout] test values ... ok [INFO] [stdout] test check_sync_send ... ok [INFO] [stdout] test fused ... ok [INFO] [stdout] test values_with_lifetime ... ok [INFO] [stdout] test no_await_1 - should panic ... ok [INFO] [stdout] test no_await_2 - 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 0.04s [INFO] [stdout] [INFO] [stderr] Running tests/local_async_iter.rs (/opt/rustwide/target/debug/deps/local_async_iter-ac3bb9a36b8ceff2) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test values ... ok [INFO] [stdout] test values_ret_iter ... ok [INFO] [stdout] test no_value ... ok [INFO] [stdout] test fused ... ok [INFO] [stdout] test check_not_send ... ok [INFO] [stdout] test values_with_lifetime ... ok [INFO] [stdout] test no_await_1 - should panic ... ok [INFO] [stdout] test no_await_2 - 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-785304e41650d50e) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test check_not_send ... ok [INFO] [stdout] test fused ... ok [INFO] [stdout] test values ... ok [INFO] [stdout] test no_value ... 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_pending - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-3cb8dd1d9b358ccf) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test values ... ok [INFO] [stdout] test no_value ... ok [INFO] [stdout] test values_with_lifetime ... ok [INFO] [stdout] test values_ret_iter ... ok [INFO] [stdout] test fused ... ok [INFO] [stdout] test no_await_2 - should panic ... ok [INFO] [stdout] test no_await_1 - should panic ... ok [INFO] [stdout] test invalid_await - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Doc-tests yield_return [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/lib.rs - (line 5) ... ok [INFO] [stdout] test src/tests_readme.rs - tests_readme (line 12) ... ok [INFO] [stdout] test src/local_iter.rs - local_iter::LocalIter<'a,T>::new (line 97) ... ok [INFO] [stdout] test src/local_iter.rs - local_iter::LocalAsyncIter<'a,T>::new (line 152) ... ok [INFO] [stdout] test src/iter.rs - iter::Iter<'a,T>::new (line 100) ... ok [INFO] [stdout] test src/iter.rs - iter::AsyncIter<'a,T>::new (line 157) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.87s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "93db099dbf2ea006d68f6c096642a5329f379f421ea1aee674110c776cc078ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93db099dbf2ea006d68f6c096642a5329f379f421ea1aee674110c776cc078ad", kill_on_drop: false }` [INFO] [stdout] 93db099dbf2ea006d68f6c096642a5329f379f421ea1aee674110c776cc078ad