[INFO] fetching crate test_futures 0.0.1...
[INFO] testing test_futures-0.0.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate test_futures 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate test_futures 0.0.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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" "+beta-2022-02-22" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 38831b5f51af633d92ccb87c778f953c0685c6b6783581ee21423b06b284a670
[INFO] running `Command { std: "docker" "start" "-a" "38831b5f51af633d92ccb87c778f953c0685c6b6783581ee21423b06b284a670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38831b5f51af633d92ccb87c778f953c0685c6b6783581ee21423b06b284a670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38831b5f51af633d92ccb87c778f953c0685c6b6783581ee21423b06b284a670", kill_on_drop: false }`
[INFO] [stdout] 38831b5f51af633d92ccb87c778f953c0685c6b6783581ee21423b06b284a670
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2427a2e7bd090cc3ed4ee93ee18aa2b4a3a09f2ca3f59c573c11cfa8a79ee7fb
[INFO] running `Command { std: "docker" "start" "-a" "2427a2e7bd090cc3ed4ee93ee18aa2b4a3a09f2ca3f59c573c11cfa8a79ee7fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling test_futures v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "2427a2e7bd090cc3ed4ee93ee18aa2b4a3a09f2ca3f59c573c11cfa8a79ee7fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2427a2e7bd090cc3ed4ee93ee18aa2b4a3a09f2ca3f59c573c11cfa8a79ee7fb", kill_on_drop: false }`
[INFO] [stdout] 2427a2e7bd090cc3ed4ee93ee18aa2b4a3a09f2ca3f59c573c11cfa8a79ee7fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 236ef6c758611da7ff075dc6edbaca3dad1a9403d681a74d6b06056311a4e8cc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "236ef6c758611da7ff075dc6edbaca3dad1a9403d681a74d6b06056311a4e8cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling test_futures v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "236ef6c758611da7ff075dc6edbaca3dad1a9403d681a74d6b06056311a4e8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "236ef6c758611da7ff075dc6edbaca3dad1a9403d681a74d6b06056311a4e8cc", kill_on_drop: false }`
[INFO] [stdout] 236ef6c758611da7ff075dc6edbaca3dad1a9403d681a74d6b06056311a4e8cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a70c8b367668a5d86011ea7cb97b0eadaef2cd249cbde733544d9a4b9b84e61b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a70c8b367668a5d86011ea7cb97b0eadaef2cd249cbde733544d9a4b9b84e61b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/test_futures-5bb63360c81aed6f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests test_futures
[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" "a70c8b367668a5d86011ea7cb97b0eadaef2cd249cbde733544d9a4b9b84e61b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a70c8b367668a5d86011ea7cb97b0eadaef2cd249cbde733544d9a4b9b84e61b", kill_on_drop: false }`
[INFO] [stdout] a70c8b367668a5d86011ea7cb97b0eadaef2cd249cbde733544d9a4b9b84e61b