[INFO] fetching crate metrics-datadog 0.1.0...
[INFO] testing metrics-datadog-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate metrics-datadog 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate metrics-datadog 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 metrics-datadog 0.1.0
[INFO] finished tweaking crates.io crate metrics-datadog 0.1.0
[INFO] tweaked toml for crates.io crate metrics-datadog 0.1.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 06e7e08e84e8c71e5b5e861532bb129214968056338fe01575fd9d03839093ef
[INFO] running `Command { std: "docker" "start" "-a" "06e7e08e84e8c71e5b5e861532bb129214968056338fe01575fd9d03839093ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06e7e08e84e8c71e5b5e861532bb129214968056338fe01575fd9d03839093ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06e7e08e84e8c71e5b5e861532bb129214968056338fe01575fd9d03839093ef", kill_on_drop: false }`
[INFO] [stdout] 06e7e08e84e8c71e5b5e861532bb129214968056338fe01575fd9d03839093ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6691f0a10dd676484ac5586a6f31554e898f0db237c5c4b29213e7ad2e6471d1
[INFO] running `Command { std: "docker" "start" "-a" "6691f0a10dd676484ac5586a6f31554e898f0db237c5c4b29213e7ad2e6471d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling metrics-datadog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "6691f0a10dd676484ac5586a6f31554e898f0db237c5c4b29213e7ad2e6471d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6691f0a10dd676484ac5586a6f31554e898f0db237c5c4b29213e7ad2e6471d1", kill_on_drop: false }`
[INFO] [stdout] 6691f0a10dd676484ac5586a6f31554e898f0db237c5c4b29213e7ad2e6471d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3f42f52d28f7a657c8c2602f581ac3925dd3f5fdb80e5a21c72af33fedb47a5c
[INFO] running `Command { std: "docker" "start" "-a" "3f42f52d28f7a657c8c2602f581ac3925dd3f5fdb80e5a21c72af33fedb47a5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling metrics-datadog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "3f42f52d28f7a657c8c2602f581ac3925dd3f5fdb80e5a21c72af33fedb47a5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f42f52d28f7a657c8c2602f581ac3925dd3f5fdb80e5a21c72af33fedb47a5c", kill_on_drop: false }`
[INFO] [stdout] 3f42f52d28f7a657c8c2602f581ac3925dd3f5fdb80e5a21c72af33fedb47a5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 4bc6814fa4fca832c54179d33abe990b65ab932bcf15cf0bca7b53c030ef728b
[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" "4bc6814fa4fca832c54179d33abe990b65ab932bcf15cf0bca7b53c030ef728b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/metrics_datadog-39f03522a6b17980
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests metrics-datadog
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4bc6814fa4fca832c54179d33abe990b65ab932bcf15cf0bca7b53c030ef728b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc6814fa4fca832c54179d33abe990b65ab932bcf15cf0bca7b53c030ef728b", kill_on_drop: false }`
[INFO] [stdout] 4bc6814fa4fca832c54179d33abe990b65ab932bcf15cf0bca7b53c030ef728b