[INFO] fetching crate test_futures 0.0.1...
[INFO] testing test_futures-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate test_futures 0.0.1 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate test_futures 0.0.1 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 test_futures 0.0.1
[INFO] finished tweaking crates.io crate test_futures 0.0.1
[INFO] tweaked toml for crates.io crate test_futures 0.0.1 written to /workspace/builds/worker-49/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-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] fe1c4c2ba716f35cfe9cd8e79a8793dd6d6f8f9ed39f015711446fc72ef0cdfa
[INFO] running `Command { std: "docker" "start" "-a" "fe1c4c2ba716f35cfe9cd8e79a8793dd6d6f8f9ed39f015711446fc72ef0cdfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe1c4c2ba716f35cfe9cd8e79a8793dd6d6f8f9ed39f015711446fc72ef0cdfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe1c4c2ba716f35cfe9cd8e79a8793dd6d6f8f9ed39f015711446fc72ef0cdfa", kill_on_drop: false }`
[INFO] [stdout] fe1c4c2ba716f35cfe9cd8e79a8793dd6d6f8f9ed39f015711446fc72ef0cdfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 51b508cca998450d1ba01a94f8b1fbcb7cb076da1747cbda0e39b269450a29b5
[INFO] running `Command { std: "docker" "start" "-a" "51b508cca998450d1ba01a94f8b1fbcb7cb076da1747cbda0e39b269450a29b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling test_futures v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.77s
[INFO] running `Command { std: "docker" "inspect" "51b508cca998450d1ba01a94f8b1fbcb7cb076da1747cbda0e39b269450a29b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51b508cca998450d1ba01a94f8b1fbcb7cb076da1747cbda0e39b269450a29b5", kill_on_drop: false }`
[INFO] [stdout] 51b508cca998450d1ba01a94f8b1fbcb7cb076da1747cbda0e39b269450a29b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 86305ce1c9b0895343541f1720a4a6bb79dd69ed2cc59630c41d686d7fce1ab8
[INFO] running `Command { std: "docker" "start" "-a" "86305ce1c9b0895343541f1720a4a6bb79dd69ed2cc59630c41d686d7fce1ab8", kill_on_drop: false }`
[INFO] [stderr]    Compiling test_futures v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "86305ce1c9b0895343541f1720a4a6bb79dd69ed2cc59630c41d686d7fce1ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86305ce1c9b0895343541f1720a4a6bb79dd69ed2cc59630c41d686d7fce1ab8", kill_on_drop: false }`
[INFO] [stdout] 86305ce1c9b0895343541f1720a4a6bb79dd69ed2cc59630c41d686d7fce1ab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 83b806a121bed7b1c9afa00c03f134c3ca07e8b64b137165d4e3a374d07007aa
[INFO] running `Command { std: "docker" "start" "-a" "83b806a121bed7b1c9afa00c03f134c3ca07e8b64b137165d4e3a374d07007aa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/test_futures-d8cac38d7e2cbfdf)
[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 test_futures
[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" "83b806a121bed7b1c9afa00c03f134c3ca07e8b64b137165d4e3a374d07007aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b806a121bed7b1c9afa00c03f134c3ca07e8b64b137165d4e3a374d07007aa", kill_on_drop: false }`
[INFO] [stdout] 83b806a121bed7b1c9afa00c03f134c3ca07e8b64b137165d4e3a374d07007aa