[INFO] fetching crate async-stream-impl 0.3.3...
[INFO] testing async-stream-impl-0.3.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate async-stream-impl 0.3.3 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate async-stream-impl 0.3.3 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-stream-impl 0.3.3
[INFO] finished tweaking crates.io crate async-stream-impl 0.3.3
[INFO] tweaked toml for crates.io crate async-stream-impl 0.3.3 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8eb68937a0474fa3416b70415390047a2fc0841859b4c039a23d11718a93cb4
[INFO] running `Command { std: "docker" "start" "-a" "e8eb68937a0474fa3416b70415390047a2fc0841859b4c039a23d11718a93cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8eb68937a0474fa3416b70415390047a2fc0841859b4c039a23d11718a93cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8eb68937a0474fa3416b70415390047a2fc0841859b4c039a23d11718a93cb4", kill_on_drop: false }`
[INFO] [stdout] e8eb68937a0474fa3416b70415390047a2fc0841859b4c039a23d11718a93cb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6db299d896a6966b02c4e8a404f8db68d96f9cdfe87b28255a3e35c1f3d5130
[INFO] running `Command { std: "docker" "start" "-a" "b6db299d896a6966b02c4e8a404f8db68d96f9cdfe87b28255a3e35c1f3d5130", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling async-stream-impl v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.03s
[INFO] running `Command { std: "docker" "inspect" "b6db299d896a6966b02c4e8a404f8db68d96f9cdfe87b28255a3e35c1f3d5130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6db299d896a6966b02c4e8a404f8db68d96f9cdfe87b28255a3e35c1f3d5130", kill_on_drop: false }`
[INFO] [stdout] b6db299d896a6966b02c4e8a404f8db68d96f9cdfe87b28255a3e35c1f3d5130
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 602ac31bc1929d20a214604b1da9d51f5f905afd6247fae43960185d19342c3f
[INFO] running `Command { std: "docker" "start" "-a" "602ac31bc1929d20a214604b1da9d51f5f905afd6247fae43960185d19342c3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.85s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_stream_impl-5ae080b633a05b7e)
[INFO] running `Command { std: "docker" "inspect" "602ac31bc1929d20a214604b1da9d51f5f905afd6247fae43960185d19342c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "602ac31bc1929d20a214604b1da9d51f5f905afd6247fae43960185d19342c3f", kill_on_drop: false }`
[INFO] [stdout] 602ac31bc1929d20a214604b1da9d51f5f905afd6247fae43960185d19342c3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3dc95e2db6c1e97149ef53590eec0eedc3286f541f21348c4a85dd4ef37a0ba7
[INFO] running `Command { std: "docker" "start" "-a" "3dc95e2db6c1e97149ef53590eec0eedc3286f541f21348c4a85dd4ef37a0ba7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_stream_impl-5ae080b633a05b7e)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests async-stream-impl
[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 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" "3dc95e2db6c1e97149ef53590eec0eedc3286f541f21348c4a85dd4ef37a0ba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dc95e2db6c1e97149ef53590eec0eedc3286f541f21348c4a85dd4ef37a0ba7", kill_on_drop: false }`
[INFO] [stdout] 3dc95e2db6c1e97149ef53590eec0eedc3286f541f21348c4a85dd4ef37a0ba7