[INFO] fetching crate futures-test-sink 0.1.1...
[INFO] testing futures-test-sink-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate futures-test-sink 0.1.1 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate futures-test-sink 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-test-sink 0.1.1
[INFO] finished tweaking crates.io crate futures-test-sink 0.1.1
[INFO] tweaked toml for crates.io crate futures-test-sink 0.1.1 written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c5355b0fc2864f824dcdb47e19476508c87fb0bce1c97ae888e28613a4bd1af
[INFO] running `Command { std: "docker" "start" "-a" "6c5355b0fc2864f824dcdb47e19476508c87fb0bce1c97ae888e28613a4bd1af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c5355b0fc2864f824dcdb47e19476508c87fb0bce1c97ae888e28613a4bd1af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c5355b0fc2864f824dcdb47e19476508c87fb0bce1c97ae888e28613a4bd1af", kill_on_drop: false }`
[INFO] [stdout] 6c5355b0fc2864f824dcdb47e19476508c87fb0bce1c97ae888e28613a4bd1af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1df1d0e3f180e2ed693c8c559bfbd71807468794fe0bffe5b1368ac688f59576
[INFO] running `Command { std: "docker" "start" "-a" "1df1d0e3f180e2ed693c8c559bfbd71807468794fe0bffe5b1368ac688f59576", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling futures-test-sink v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.59s
[INFO] running `Command { std: "docker" "inspect" "1df1d0e3f180e2ed693c8c559bfbd71807468794fe0bffe5b1368ac688f59576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1df1d0e3f180e2ed693c8c559bfbd71807468794fe0bffe5b1368ac688f59576", kill_on_drop: false }`
[INFO] [stdout] 1df1d0e3f180e2ed693c8c559bfbd71807468794fe0bffe5b1368ac688f59576
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8def6834b61a69f7cf5a5ed0444149c82992bc11ff75dd7d1bfb866972d36fb
[INFO] running `Command { std: "docker" "start" "-a" "c8def6834b61a69f7cf5a5ed0444149c82992bc11ff75dd7d1bfb866972d36fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-task v1.3.1
[INFO] [stderr]    Compiling futures-test-sink v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "c8def6834b61a69f7cf5a5ed0444149c82992bc11ff75dd7d1bfb866972d36fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8def6834b61a69f7cf5a5ed0444149c82992bc11ff75dd7d1bfb866972d36fb", kill_on_drop: false }`
[INFO] [stdout] c8def6834b61a69f7cf5a5ed0444149c82992bc11ff75dd7d1bfb866972d36fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0dc99d9401981f07fb9f47bcb24bc3d4f95dea09512c3868ab4cec7613d1d22
[INFO] running `Command { std: "docker" "start" "-a" "f0dc99d9401981f07fb9f47bcb24bc3d4f95dea09512c3868ab4cec7613d1d22", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stdout] running 11 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_test_sink-d581045baf000951)
[INFO] [stdout] test fuse_last::test::compile ... ok
[INFO] [stdout] test mock_sink::tests::drain_test ... ok
[INFO] [stdout] test mock_sink::tests::error ... ok
[INFO] [stdout] test mock_sink::tests::interleave_pending ... ok
[INFO] [stdout] test tests::test_from_iter ... ok
[INFO] [stdout] test tests::test_interleave_pending ... ok
[INFO] [stdout] test tests::test_ok ... ok
[INFO] [stdout] test mock_sink::tests::panic_after_close - should panic ... ok
[INFO] [stdout] test mock_sink::tests::panic_when_flus_feedback_ends - should panic ... ok
[INFO] [stdout] test mock_sink::tests::panic_no_call_poll_ready_test - should panic ... ok
[INFO] [stdout] test tests::test_panic_on_iter_end - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures-test-sink
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/fuse_last.rs - fuse_last::IteratorExt::fuse_last (line 25) ... ok
[INFO] [stdout] test src/fuse_last.rs - fuse_last::IteratorExt::fuse_last (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 114) ... ok
[INFO] [stdout] test src/lib.rs - (line 59) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.73s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f0dc99d9401981f07fb9f47bcb24bc3d4f95dea09512c3868ab4cec7613d1d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0dc99d9401981f07fb9f47bcb24bc3d4f95dea09512c3868ab4cec7613d1d22", kill_on_drop: false }`
[INFO] [stdout] f0dc99d9401981f07fb9f47bcb24bc3d4f95dea09512c3868ab4cec7613d1d22