[INFO] fetching crate futures-async-runtime 0.2.1...
[INFO] testing futures-async-runtime-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate futures-async-runtime 0.2.1 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate futures-async-runtime 0.2.1 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-async-runtime 0.2.1
[INFO] finished tweaking crates.io crate futures-async-runtime 0.2.1
[INFO] tweaked toml for crates.io crate futures-async-runtime 0.2.1 written to /workspace/builds/worker-21/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-stable v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 7167faf9b12ee535a064fe848b859d16798072b7ed6e4607cb4aafd66c244b1c
[INFO] running `Command { std: "docker" "start" "-a" "7167faf9b12ee535a064fe848b859d16798072b7ed6e4607cb4aafd66c244b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7167faf9b12ee535a064fe848b859d16798072b7ed6e4607cb4aafd66c244b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7167faf9b12ee535a064fe848b859d16798072b7ed6e4607cb4aafd66c244b1c", kill_on_drop: false }`
[INFO] [stdout] 7167faf9b12ee535a064fe848b859d16798072b7ed6e4607cb4aafd66c244b1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 17dbd9616cd430d845b4a379445006d07f873c5e0bda7fef35f51d8a8499b83f
[INFO] running `Command { std: "docker" "start" "-a" "17dbd9616cd430d845b4a379445006d07f873c5e0bda7fef35f51d8a8499b83f", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling futures-core v0.2.1
[INFO] [stderr]    Compiling futures-channel v0.2.1
[INFO] [stderr]    Compiling futures-io v0.2.1
[INFO] [stderr]    Compiling futures-sink v0.2.1
[INFO] [stderr]    Compiling futures-util v0.2.1
[INFO] [stderr]    Compiling futures-executor v0.2.1
[INFO] [stderr]    Compiling futures-stable v0.2.1
[INFO] [stderr]    Compiling futures-async-runtime v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `Command { std: "docker" "inspect" "17dbd9616cd430d845b4a379445006d07f873c5e0bda7fef35f51d8a8499b83f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17dbd9616cd430d845b4a379445006d07f873c5e0bda7fef35f51d8a8499b83f", kill_on_drop: false }`
[INFO] [stdout] 17dbd9616cd430d845b4a379445006d07f873c5e0bda7fef35f51d8a8499b83f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 2318a7f12db3a65a746c584d668aa46b4e441f58fcefcebb4478626ec0d39df1
[INFO] running `Command { std: "docker" "start" "-a" "2318a7f12db3a65a746c584d668aa46b4e441f58fcefcebb4478626ec0d39df1", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-async-runtime v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "2318a7f12db3a65a746c584d668aa46b4e441f58fcefcebb4478626ec0d39df1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2318a7f12db3a65a746c584d668aa46b4e441f58fcefcebb4478626ec0d39df1", kill_on_drop: false }`
[INFO] [stdout] 2318a7f12db3a65a746c584d668aa46b4e441f58fcefcebb4478626ec0d39df1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 276ec78ac2f0dfaf1ae95c2ebc84ac95d4684c605d524144dd01114d145ca624
[INFO] running `Command { std: "docker" "start" "-a" "276ec78ac2f0dfaf1ae95c2ebc84ac95d4684c605d524144dd01114d145ca624", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_async_runtime-b499b95f7ab932b4)
[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]    Doc-tests futures-async-runtime
[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" "276ec78ac2f0dfaf1ae95c2ebc84ac95d4684c605d524144dd01114d145ca624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "276ec78ac2f0dfaf1ae95c2ebc84ac95d4684c605d524144dd01114d145ca624", kill_on_drop: false }`
[INFO] [stdout] 276ec78ac2f0dfaf1ae95c2ebc84ac95d4684c605d524144dd01114d145ca624