[INFO] fetching crate datadog-logs 0.1.0...
[INFO] testing datadog-logs-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate datadog-logs 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate datadog-logs 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 datadog-logs 0.1.0
[INFO] finished tweaking crates.io crate datadog-logs 0.1.0
[INFO] tweaked toml for crates.io crate datadog-logs 0.1.0 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 attohttpc v0.15.0
[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: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] 8dd0d15768f30ecd1cbb9b21de145d88e9eefb8d20de9823c19fc3183d160b8c
[INFO] running `Command { std: "docker" "start" "-a" "8dd0d15768f30ecd1cbb9b21de145d88e9eefb8d20de9823c19fc3183d160b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dd0d15768f30ecd1cbb9b21de145d88e9eefb8d20de9823c19fc3183d160b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dd0d15768f30ecd1cbb9b21de145d88e9eefb8d20de9823c19fc3183d160b8c", kill_on_drop: false }`
[INFO] [stdout] 8dd0d15768f30ecd1cbb9b21de145d88e9eefb8d20de9823c19fc3183d160b8c
[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: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] 21d3507b5f8375a8374df5d66963fe93d8a9a0de358ff24dc527ec1d111dbab6
[INFO] running `Command { std: "docker" "start" "-a" "21d3507b5f8375a8374df5d66963fe93d8a9a0de358ff24dc527ec1d111dbab6", kill_on_drop: false }`
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling attohttpc v0.15.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling datadog-logs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.14s
[INFO] running `Command { std: "docker" "inspect" "21d3507b5f8375a8374df5d66963fe93d8a9a0de358ff24dc527ec1d111dbab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21d3507b5f8375a8374df5d66963fe93d8a9a0de358ff24dc527ec1d111dbab6", kill_on_drop: false }`
[INFO] [stdout] 21d3507b5f8375a8374df5d66963fe93d8a9a0de358ff24dc527ec1d111dbab6
[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: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] 7cba8548941043ee62ab970935ee83dc3b9315a2366e911480a2b2e164e2f4b9
[INFO] running `Command { std: "docker" "start" "-a" "7cba8548941043ee62ab970935ee83dc3b9315a2366e911480a2b2e164e2f4b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling datadog-logs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `Command { std: "docker" "inspect" "7cba8548941043ee62ab970935ee83dc3b9315a2366e911480a2b2e164e2f4b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cba8548941043ee62ab970935ee83dc3b9315a2366e911480a2b2e164e2f4b9", kill_on_drop: false }`
[INFO] [stdout] 7cba8548941043ee62ab970935ee83dc3b9315a2366e911480a2b2e164e2f4b9
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f89105be5f5e07c641929b02283df8463c01e4cc674ea0bf27f9cd475294f88e
[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" "f89105be5f5e07c641929b02283df8463c01e4cc674ea0bf27f9cd475294f88e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/datadog_logs-1d169e12cc5c6182
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test logger::logger::tests::test_logger_stops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests datadog-logs
[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" "f89105be5f5e07c641929b02283df8463c01e4cc674ea0bf27f9cd475294f88e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f89105be5f5e07c641929b02283df8463c01e4cc674ea0bf27f9cd475294f88e", kill_on_drop: false }`
[INFO] [stdout] f89105be5f5e07c641929b02283df8463c01e4cc674ea0bf27f9cd475294f88e