[INFO] fetching crate task_yield 0.1.0...
[INFO] testing task_yield-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate task_yield 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate task_yield 0.1.0
[INFO] finished tweaking crates.io crate task_yield 0.1.0
[INFO] tweaked toml for crates.io crate task_yield 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate task_yield 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 64 packages to latest compatible versions
[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-attributes v1.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 315fe7dd6b9e92fc3fb2fd5de3fbb214a66b466c3111bb66922e2b1f6be142ed
[INFO] running `Command { std: "docker" "start" "-a" "315fe7dd6b9e92fc3fb2fd5de3fbb214a66b466c3111bb66922e2b1f6be142ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "315fe7dd6b9e92fc3fb2fd5de3fbb214a66b466c3111bb66922e2b1f6be142ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "315fe7dd6b9e92fc3fb2fd5de3fbb214a66b466c3111bb66922e2b1f6be142ed", kill_on_drop: false }`
[INFO] [stdout] 315fe7dd6b9e92fc3fb2fd5de3fbb214a66b466c3111bb66922e2b1f6be142ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e07cfed427b42e9181cdbacf6279ad9f58e20d152e4642c3dde832ff53ff7cd0
[INFO] running `Command { std: "docker" "start" "-a" "e07cfed427b42e9181cdbacf6279ad9f58e20d152e4642c3dde832ff53ff7cd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling task_yield v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "e07cfed427b42e9181cdbacf6279ad9f58e20d152e4642c3dde832ff53ff7cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e07cfed427b42e9181cdbacf6279ad9f58e20d152e4642c3dde832ff53ff7cd0", kill_on_drop: false }`
[INFO] [stdout] e07cfed427b42e9181cdbacf6279ad9f58e20d152e4642c3dde832ff53ff7cd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e810761100d088e0d571934df29679284571b582a688e12b6bfdb0fe78e386b3
[INFO] running `Command { std: "docker" "start" "-a" "e810761100d088e0d571934df29679284571b582a688e12b6bfdb0fe78e386b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling async-lock v3.4.2
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling async-std v1.13.2
[INFO] [stderr]    Compiling task_yield v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.88s
[INFO] running `Command { std: "docker" "inspect" "e810761100d088e0d571934df29679284571b582a688e12b6bfdb0fe78e386b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e810761100d088e0d571934df29679284571b582a688e12b6bfdb0fe78e386b3", kill_on_drop: false }`
[INFO] [stdout] e810761100d088e0d571934df29679284571b582a688e12b6bfdb0fe78e386b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fb2e386dcf62239417f094d0a2a46f7e296c099106f2d892e6b8dcae8998237e
[INFO] running `Command { std: "docker" "start" "-a" "fb2e386dcf62239417f094d0a2a46f7e296c099106f2d892e6b8dcae8998237e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/task_yield-847e6060e73e2b1d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::tokio_test ... ok
[INFO] [stdout] test tests::async_std_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests task_yield
[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] running `Command { std: "docker" "inspect" "fb2e386dcf62239417f094d0a2a46f7e296c099106f2d892e6b8dcae8998237e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb2e386dcf62239417f094d0a2a46f7e296c099106f2d892e6b8dcae8998237e", kill_on_drop: false }`
[INFO] [stdout] fb2e386dcf62239417f094d0a2a46f7e296c099106f2d892e6b8dcae8998237e