[INFO] crate hypertask_engine 0.2.0 is already in cache
[INFO] testing hypertask_engine-0.2.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate hypertask_engine 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate hypertask_engine 0.2.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hypertask_engine 0.2.0
[INFO] finished tweaking crates.io crate hypertask_engine 0.2.0
[INFO] tweaked toml for crates.io crate hypertask_engine 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 21fe711fa056d42ab1fcb7ea3af937b04d8e5b0957be02550ee720d30dc8ac88
[INFO] running `Command { std: "docker" "start" "-a" "21fe711fa056d42ab1fcb7ea3af937b04d8e5b0957be02550ee720d30dc8ac88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21fe711fa056d42ab1fcb7ea3af937b04d8e5b0957be02550ee720d30dc8ac88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21fe711fa056d42ab1fcb7ea3af937b04d8e5b0957be02550ee720d30dc8ac88", kill_on_drop: false }`
[INFO] [stdout] 21fe711fa056d42ab1fcb7ea3af937b04d8e5b0957be02550ee720d30dc8ac88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] f5d626785ff4ebd15cff610e5f895945d41325ca42fcedde707c531892adaefa
[INFO] running `Command { std: "docker" "start" "-a" "f5d626785ff4ebd15cff610e5f895945d41325ca42fcedde707c531892adaefa", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling hypertask_engine v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.21s
[INFO] running `Command { std: "docker" "inspect" "f5d626785ff4ebd15cff610e5f895945d41325ca42fcedde707c531892adaefa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5d626785ff4ebd15cff610e5f895945d41325ca42fcedde707c531892adaefa", kill_on_drop: false }`
[INFO] [stdout] f5d626785ff4ebd15cff610e5f895945d41325ca42fcedde707c531892adaefa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a0c2523bca67db2f1f4299ca8ca18f6b68b6c6127d28f04ddf15f496dd3d8ca
[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" "3a0c2523bca67db2f1f4299ca8ca18f6b68b6c6127d28f04ddf15f496dd3d8ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling hypertask_engine v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "3a0c2523bca67db2f1f4299ca8ca18f6b68b6c6127d28f04ddf15f496dd3d8ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a0c2523bca67db2f1f4299ca8ca18f6b68b6c6127d28f04ddf15f496dd3d8ca", kill_on_drop: false }`
[INFO] [stdout] 3a0c2523bca67db2f1f4299ca8ca18f6b68b6c6127d28f04ddf15f496dd3d8ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 82362fbf5fea8b6f230d6fd25bba2fc7ebb38123f958bc20ded163fc9729cbbd
[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" "82362fbf5fea8b6f230d6fd25bba2fc7ebb38123f958bc20ded163fc9729cbbd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hypertask_engine-a100f7ccf6af34fe
[INFO] [stderr]    Doc-tests hypertask_engine
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "82362fbf5fea8b6f230d6fd25bba2fc7ebb38123f958bc20ded163fc9729cbbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82362fbf5fea8b6f230d6fd25bba2fc7ebb38123f958bc20ded163fc9729cbbd", kill_on_drop: false }`
[INFO] [stdout] 82362fbf5fea8b6f230d6fd25bba2fc7ebb38123f958bc20ded163fc9729cbbd