[INFO] fetching crate lovm2_internals 0.2.2...
[INFO] testing lovm2_internals-0.2.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate lovm2_internals 0.2.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate lovm2_internals 0.2.2 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 lovm2_internals 0.2.2
[INFO] finished tweaking crates.io crate lovm2_internals 0.2.2
[INFO] tweaked toml for crates.io crate lovm2_internals 0.2.2 written to /workspace/builds/worker-8/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lovm2_error v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dd3ddff1d2e2996cf5183aa17e2af0490486bf06668037776012556ec6e3e8e
[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" "4dd3ddff1d2e2996cf5183aa17e2af0490486bf06668037776012556ec6e3e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dd3ddff1d2e2996cf5183aa17e2af0490486bf06668037776012556ec6e3e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd3ddff1d2e2996cf5183aa17e2af0490486bf06668037776012556ec6e3e8e", kill_on_drop: false }`
[INFO] [stdout] 4dd3ddff1d2e2996cf5183aa17e2af0490486bf06668037776012556ec6e3e8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 6052d491319ab86ce3b25997f73a03ad82fb8371a9fe810a68055334e632e90a
[INFO] running `Command { std: "docker" "start" "-a" "6052d491319ab86ce3b25997f73a03ad82fb8371a9fe810a68055334e632e90a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling lovm2_error v0.1.1
[INFO] [stderr]    Compiling lovm2_internals v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.92s
[INFO] running `Command { std: "docker" "inspect" "6052d491319ab86ce3b25997f73a03ad82fb8371a9fe810a68055334e632e90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6052d491319ab86ce3b25997f73a03ad82fb8371a9fe810a68055334e632e90a", kill_on_drop: false }`
[INFO] [stdout] 6052d491319ab86ce3b25997f73a03ad82fb8371a9fe810a68055334e632e90a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3b1cce3a8039f0111cd2d4177c1759fafb70fec9fb443eb3cd180f2764ad92a
[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" "c3b1cce3a8039f0111cd2d4177c1759fafb70fec9fb443eb3cd180f2764ad92a", kill_on_drop: false }`
[INFO] [stderr]    Compiling lovm2_internals v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "c3b1cce3a8039f0111cd2d4177c1759fafb70fec9fb443eb3cd180f2764ad92a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b1cce3a8039f0111cd2d4177c1759fafb70fec9fb443eb3cd180f2764ad92a", kill_on_drop: false }`
[INFO] [stdout] c3b1cce3a8039f0111cd2d4177c1759fafb70fec9fb443eb3cd180f2764ad92a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e634f63d08fb18c181b546c7e5c151e6780b8bcea2b903eaa80bc113bafd9ba9
[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" "e634f63d08fb18c181b546c7e5c151e6780b8bcea2b903eaa80bc113bafd9ba9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lovm2_internals-6e05e12d4258a20b
[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 lovm2_internals
[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" "e634f63d08fb18c181b546c7e5c151e6780b8bcea2b903eaa80bc113bafd9ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e634f63d08fb18c181b546c7e5c151e6780b8bcea2b903eaa80bc113bafd9ba9", kill_on_drop: false }`
[INFO] [stdout] e634f63d08fb18c181b546c7e5c151e6780b8bcea2b903eaa80bc113bafd9ba9