[INFO] fetching crate rumbrella-cargo 0.1.0...
[INFO] testing rumbrella-cargo-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rumbrella-cargo 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rumbrella-cargo 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rumbrella-cargo 0.1.0
[INFO] finished tweaking crates.io crate rumbrella-cargo 0.1.0
[INFO] tweaked toml for crates.io crate rumbrella-cargo 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] bfa8a535ab1c0678cd8ce026c029ded7e97f8103e07ef21daf79923b3e2eaffc
[INFO] running `Command { std: "docker" "start" "-a" "bfa8a535ab1c0678cd8ce026c029ded7e97f8103e07ef21daf79923b3e2eaffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfa8a535ab1c0678cd8ce026c029ded7e97f8103e07ef21daf79923b3e2eaffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfa8a535ab1c0678cd8ce026c029ded7e97f8103e07ef21daf79923b3e2eaffc", kill_on_drop: false }`
[INFO] [stdout] bfa8a535ab1c0678cd8ce026c029ded7e97f8103e07ef21daf79923b3e2eaffc
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 227bc245c7e0e4d9258b586fed452602f8c2403c4f2aa05997cf23cebfb8a75a
[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" "227bc245c7e0e4d9258b586fed452602f8c2403c4f2aa05997cf23cebfb8a75a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rumbrella-cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "227bc245c7e0e4d9258b586fed452602f8c2403c4f2aa05997cf23cebfb8a75a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227bc245c7e0e4d9258b586fed452602f8c2403c4f2aa05997cf23cebfb8a75a", kill_on_drop: false }`
[INFO] [stdout] 227bc245c7e0e4d9258b586fed452602f8c2403c4f2aa05997cf23cebfb8a75a
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 573a27a5a745c9447c246b9d048ae2f01e5f87fbb5a9018b67e7b6294cc821bc
[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" "573a27a5a745c9447c246b9d048ae2f01e5f87fbb5a9018b67e7b6294cc821bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rumbrella-cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "573a27a5a745c9447c246b9d048ae2f01e5f87fbb5a9018b67e7b6294cc821bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "573a27a5a745c9447c246b9d048ae2f01e5f87fbb5a9018b67e7b6294cc821bc", kill_on_drop: false }`
[INFO] [stdout] 573a27a5a745c9447c246b9d048ae2f01e5f87fbb5a9018b67e7b6294cc821bc
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] 01ce4003f907e9a6138e5daf3f3f1be900b23a01f4480410fb9630d074296a6d
[INFO] running `Command { std: "docker" "start" "-a" "01ce4003f907e9a6138e5daf3f3f1be900b23a01f4480410fb9630d074296a6d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rumbrella_cargo-4bcadef9d68bdd1f
[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" "01ce4003f907e9a6138e5daf3f3f1be900b23a01f4480410fb9630d074296a6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01ce4003f907e9a6138e5daf3f3f1be900b23a01f4480410fb9630d074296a6d", kill_on_drop: false }`
[INFO] [stdout] 01ce4003f907e9a6138e5daf3f3f1be900b23a01f4480410fb9630d074296a6d