[INFO] fetching crate ckb-metrics-config 0.38.0...
[INFO] testing ckb-metrics-config-0.38.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate ckb-metrics-config 0.38.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ckb-metrics-config 0.38.0 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 ckb-metrics-config 0.38.0
[INFO] finished tweaking crates.io crate ckb-metrics-config 0.38.0
[INFO] tweaked toml for crates.io crate ckb-metrics-config 0.38.0 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 2881595d2a5735c1140fb287af385350e7d63c0cbc9dba245b1c20d34ba5184a
[INFO] running `Command { std: "docker" "start" "-a" "2881595d2a5735c1140fb287af385350e7d63c0cbc9dba245b1c20d34ba5184a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2881595d2a5735c1140fb287af385350e7d63c0cbc9dba245b1c20d34ba5184a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2881595d2a5735c1140fb287af385350e7d63c0cbc9dba245b1c20d34ba5184a", kill_on_drop: false }`
[INFO] [stdout] 2881595d2a5735c1140fb287af385350e7d63c0cbc9dba245b1c20d34ba5184a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 816a79d4a2754780f658a51fe5bba99c2b56ceb0409d5b9f0e34ec6b38972ee8
[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" "816a79d4a2754780f658a51fe5bba99c2b56ceb0409d5b9f0e34ec6b38972ee8", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling ckb-metrics-config v0.38.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `Command { std: "docker" "inspect" "816a79d4a2754780f658a51fe5bba99c2b56ceb0409d5b9f0e34ec6b38972ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "816a79d4a2754780f658a51fe5bba99c2b56ceb0409d5b9f0e34ec6b38972ee8", kill_on_drop: false }`
[INFO] [stdout] 816a79d4a2754780f658a51fe5bba99c2b56ceb0409d5b9f0e34ec6b38972ee8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 46004d590f0a8eb0cab31892614f14f7f74dd38bcc51ca118464995c44888ff5
[INFO] running `Command { std: "docker" "start" "-a" "46004d590f0a8eb0cab31892614f14f7f74dd38bcc51ca118464995c44888ff5", kill_on_drop: false }`
[INFO] [stderr]    Compiling ckb-metrics-config v0.38.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "46004d590f0a8eb0cab31892614f14f7f74dd38bcc51ca118464995c44888ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46004d590f0a8eb0cab31892614f14f7f74dd38bcc51ca118464995c44888ff5", kill_on_drop: false }`
[INFO] [stdout] 46004d590f0a8eb0cab31892614f14f7f74dd38bcc51ca118464995c44888ff5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 04771ec1a91c1ff61380b14458e08e156d8e6104dc8203232ee4be6de10165af
[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" "04771ec1a91c1ff61380b14458e08e156d8e6104dc8203232ee4be6de10165af", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ckb_metrics_config-0d6fbc39b9dbf0e4
[INFO] [stderr]    Doc-tests ckb-metrics-config
[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] [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" "04771ec1a91c1ff61380b14458e08e156d8e6104dc8203232ee4be6de10165af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04771ec1a91c1ff61380b14458e08e156d8e6104dc8203232ee4be6de10165af", kill_on_drop: false }`
[INFO] [stdout] 04771ec1a91c1ff61380b14458e08e156d8e6104dc8203232ee4be6de10165af