[INFO] fetching crate datadog-logs 0.1.0...
[INFO] testing datadog-logs-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate datadog-logs 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate datadog-logs 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "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] bb668b96172361667559c067c9aa6bb0e4c80912a1dabf1a54bfb0b1788c21fb
[INFO] running `Command { std: "docker" "start" "-a" "bb668b96172361667559c067c9aa6bb0e4c80912a1dabf1a54bfb0b1788c21fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb668b96172361667559c067c9aa6bb0e4c80912a1dabf1a54bfb0b1788c21fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb668b96172361667559c067c9aa6bb0e4c80912a1dabf1a54bfb0b1788c21fb", kill_on_drop: false }`
[INFO] [stdout] bb668b96172361667559c067c9aa6bb0e4c80912a1dabf1a54bfb0b1788c21fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6841c67ca5e71a335efdd620caeb7ce677527ed22985058fc672a679f6e50485
[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" "6841c67ca5e71a335efdd620caeb7ce677527ed22985058fc672a679f6e50485", kill_on_drop: false }`
[INFO] [stderr]    Compiling flate2 v1.0.19
[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 15.21s
[INFO] running `Command { std: "docker" "inspect" "6841c67ca5e71a335efdd620caeb7ce677527ed22985058fc672a679f6e50485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6841c67ca5e71a335efdd620caeb7ce677527ed22985058fc672a679f6e50485", kill_on_drop: false }`
[INFO] [stdout] 6841c67ca5e71a335efdd620caeb7ce677527ed22985058fc672a679f6e50485
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0915a6171f27bf587e8e1b55dcd2951949e6b62a1fa782d611ade9f2166d10d
[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" "b0915a6171f27bf587e8e1b55dcd2951949e6b62a1fa782d611ade9f2166d10d", kill_on_drop: false }`
[INFO] [stderr]    Compiling datadog-logs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `Command { std: "docker" "inspect" "b0915a6171f27bf587e8e1b55dcd2951949e6b62a1fa782d611ade9f2166d10d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0915a6171f27bf587e8e1b55dcd2951949e6b62a1fa782d611ade9f2166d10d", kill_on_drop: false }`
[INFO] [stdout] b0915a6171f27bf587e8e1b55dcd2951949e6b62a1fa782d611ade9f2166d10d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 96f4680a631f363b644ec44090b53c6fbd705fcf9a744414483fcfeaeae3d872
[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" "96f4680a631f363b644ec44090b53c6fbd705fcf9a744414483fcfeaeae3d872", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/datadog_logs-a41ec61313214d14
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "96f4680a631f363b644ec44090b53c6fbd705fcf9a744414483fcfeaeae3d872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96f4680a631f363b644ec44090b53c6fbd705fcf9a744414483fcfeaeae3d872", kill_on_drop: false }`
[INFO] [stdout] 96f4680a631f363b644ec44090b53c6fbd705fcf9a744414483fcfeaeae3d872