[INFO] fetching crate rumbrella-rdk-db 0.1.0...
[INFO] testing rumbrella-rdk-db-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rumbrella-rdk-db 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rumbrella-rdk-db 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rumbrella-rdk-db 0.1.0
[INFO] finished tweaking crates.io crate rumbrella-rdk-db 0.1.0
[INFO] tweaked toml for crates.io crate rumbrella-rdk-db 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b59e2c0685c559d5dcbecfed6ba4a70c70427b57b49c9bf2c177d1ccb11208f
[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" "8b59e2c0685c559d5dcbecfed6ba4a70c70427b57b49c9bf2c177d1ccb11208f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b59e2c0685c559d5dcbecfed6ba4a70c70427b57b49c9bf2c177d1ccb11208f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b59e2c0685c559d5dcbecfed6ba4a70c70427b57b49c9bf2c177d1ccb11208f", kill_on_drop: false }`
[INFO] [stdout] 8b59e2c0685c559d5dcbecfed6ba4a70c70427b57b49c9bf2c177d1ccb11208f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 5bef6428f9d856548bfea7a6f5f2189621082b4a6f0b82416c49b5ffae891838
[INFO] running `Command { std: "docker" "start" "-a" "5bef6428f9d856548bfea7a6f5f2189621082b4a6f0b82416c49b5ffae891838", kill_on_drop: false }`
[INFO] [stderr]    Compiling rumbrella-rdk-db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "5bef6428f9d856548bfea7a6f5f2189621082b4a6f0b82416c49b5ffae891838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bef6428f9d856548bfea7a6f5f2189621082b4a6f0b82416c49b5ffae891838", kill_on_drop: false }`
[INFO] [stdout] 5bef6428f9d856548bfea7a6f5f2189621082b4a6f0b82416c49b5ffae891838
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da325a19f534ccca0914bc33ead24c860ea4ccb25926a714bd91ae295b9a9c9a
[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" "da325a19f534ccca0914bc33ead24c860ea4ccb25926a714bd91ae295b9a9c9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rumbrella-rdk-db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "da325a19f534ccca0914bc33ead24c860ea4ccb25926a714bd91ae295b9a9c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da325a19f534ccca0914bc33ead24c860ea4ccb25926a714bd91ae295b9a9c9a", kill_on_drop: false }`
[INFO] [stdout] da325a19f534ccca0914bc33ead24c860ea4ccb25926a714bd91ae295b9a9c9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2de8f0ceb3f2d4880e013a2f484a16604b2ab868795c5ae8e6f384c76402dac8
[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" "2de8f0ceb3f2d4880e013a2f484a16604b2ab868795c5ae8e6f384c76402dac8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rumbrella_rdk_db-df55740d7c25ee79
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests rumbrella-rdk-db
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "2de8f0ceb3f2d4880e013a2f484a16604b2ab868795c5ae8e6f384c76402dac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2de8f0ceb3f2d4880e013a2f484a16604b2ab868795c5ae8e6f384c76402dac8", kill_on_drop: false }`
[INFO] [stdout] 2de8f0ceb3f2d4880e013a2f484a16604b2ab868795c5ae8e6f384c76402dac8