[INFO] fetching crate futures-async 0.0.0...
[INFO] testing futures-async-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate futures-async 0.0.0 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate futures-async 0.0.0 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 0.0.0
[INFO] finished tweaking crates.io crate futures-async 0.0.0
[INFO] tweaked toml for crates.io crate futures-async 0.0.0 written to /workspace/builds/worker-54/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 69554cec480f0a514e565b69fdfb5b50b43cf388136e2bf59e417401b59a05d3
[INFO] running `Command { std: "docker" "start" "-a" "69554cec480f0a514e565b69fdfb5b50b43cf388136e2bf59e417401b59a05d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69554cec480f0a514e565b69fdfb5b50b43cf388136e2bf59e417401b59a05d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69554cec480f0a514e565b69fdfb5b50b43cf388136e2bf59e417401b59a05d3", kill_on_drop: false }`
[INFO] [stdout] 69554cec480f0a514e565b69fdfb5b50b43cf388136e2bf59e417401b59a05d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 0e02d654997a2035a1caf8ac395f944e4607c9f15090e767264cfd8a4fc3d9ff
[INFO] running `Command { std: "docker" "start" "-a" "0e02d654997a2035a1caf8ac395f944e4607c9f15090e767264cfd8a4fc3d9ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-async v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "0e02d654997a2035a1caf8ac395f944e4607c9f15090e767264cfd8a4fc3d9ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e02d654997a2035a1caf8ac395f944e4607c9f15090e767264cfd8a4fc3d9ff", kill_on_drop: false }`
[INFO] [stdout] 0e02d654997a2035a1caf8ac395f944e4607c9f15090e767264cfd8a4fc3d9ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] ef2972a8753c5f52f6f53f3b803af4555dd8726fae3d5b339f6c1068882e46cd
[INFO] running `Command { std: "docker" "start" "-a" "ef2972a8753c5f52f6f53f3b803af4555dd8726fae3d5b339f6c1068882e46cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-async v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "ef2972a8753c5f52f6f53f3b803af4555dd8726fae3d5b339f6c1068882e46cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef2972a8753c5f52f6f53f3b803af4555dd8726fae3d5b339f6c1068882e46cd", kill_on_drop: false }`
[INFO] [stdout] ef2972a8753c5f52f6f53f3b803af4555dd8726fae3d5b339f6c1068882e46cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] f28f62f7f4e770819379133159638bc4bd7c749334c48e0c1802478e61638902
[INFO] running `Command { std: "docker" "start" "-a" "f28f62f7f4e770819379133159638bc4bd7c749334c48e0c1802478e61638902", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_async-0b36d7cf9f65ca60)
[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
[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" "f28f62f7f4e770819379133159638bc4bd7c749334c48e0c1802478e61638902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28f62f7f4e770819379133159638bc4bd7c749334c48e0c1802478e61638902", kill_on_drop: false }`
[INFO] [stdout] f28f62f7f4e770819379133159638bc4bd7c749334c48e0c1802478e61638902