[INFO] fetching crate sp-finality-tracker 2.0.0...
[INFO] testing sp-finality-tracker-2.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate sp-finality-tracker 2.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate sp-finality-tracker 2.0.0 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 sp-finality-tracker 2.0.0
[INFO] finished tweaking crates.io crate sp-finality-tracker 2.0.0
[INFO] tweaked toml for crates.io crate sp-finality-tracker 2.0.0 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] [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" "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] [stdout] db921c5f516f5c0e24689b833e7ece4d2f42c3393bb8c4312513a2d1edd2b04d
[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" "db921c5f516f5c0e24689b833e7ece4d2f42c3393bb8c4312513a2d1edd2b04d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db921c5f516f5c0e24689b833e7ece4d2f42c3393bb8c4312513a2d1edd2b04d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db921c5f516f5c0e24689b833e7ece4d2f42c3393bb8c4312513a2d1edd2b04d", kill_on_drop: false }`
[INFO] [stdout] db921c5f516f5c0e24689b833e7ece4d2f42c3393bb8c4312513a2d1edd2b04d
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6388e204c9d7e6d91d5bc2b6c62aeca8fd9754e2f6b7c851bbccabd0bdf848e1
[INFO] running `Command { std: "docker" "start" "-a" "6388e204c9d7e6d91d5bc2b6c62aeca8fd9754e2f6b7c851bbccabd0bdf848e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling sp-core v2.0.0
[INFO] [stderr]    Compiling sp-inherents v2.0.0
[INFO] [stderr]    Compiling sp-finality-tracker v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.42s
[INFO] running `Command { std: "docker" "inspect" "6388e204c9d7e6d91d5bc2b6c62aeca8fd9754e2f6b7c851bbccabd0bdf848e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6388e204c9d7e6d91d5bc2b6c62aeca8fd9754e2f6b7c851bbccabd0bdf848e1", kill_on_drop: false }`
[INFO] [stdout] 6388e204c9d7e6d91d5bc2b6c62aeca8fd9754e2f6b7c851bbccabd0bdf848e1
[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] e29bc01f7b50e5735106193dcb0a73c5349305e335ed7dba5160540ffa8a2974
[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" "e29bc01f7b50e5735106193dcb0a73c5349305e335ed7dba5160540ffa8a2974", kill_on_drop: false }`
[INFO] [stderr]    Compiling sp-finality-tracker v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "e29bc01f7b50e5735106193dcb0a73c5349305e335ed7dba5160540ffa8a2974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e29bc01f7b50e5735106193dcb0a73c5349305e335ed7dba5160540ffa8a2974", kill_on_drop: false }`
[INFO] [stdout] e29bc01f7b50e5735106193dcb0a73c5349305e335ed7dba5160540ffa8a2974
[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] 623f681feafbe48fa0af154bc15b8ffd44ba316d8f492d29aaf62b85ef57fa6f
[INFO] running `Command { std: "docker" "start" "-a" "623f681feafbe48fa0af154bc15b8ffd44ba316d8f492d29aaf62b85ef57fa6f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sp_finality_tracker-9edc5f32a57ec39e
[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 sp-finality-tracker
[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" "623f681feafbe48fa0af154bc15b8ffd44ba316d8f492d29aaf62b85ef57fa6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "623f681feafbe48fa0af154bc15b8ffd44ba316d8f492d29aaf62b85ef57fa6f", kill_on_drop: false }`
[INFO] [stdout] 623f681feafbe48fa0af154bc15b8ffd44ba316d8f492d29aaf62b85ef57fa6f