[INFO] fetching crate port_sniffer 0.1.0...
[INFO] testing port_sniffer-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate port_sniffer 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate port_sniffer 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 port_sniffer 0.1.0
[INFO] finished tweaking crates.io crate port_sniffer 0.1.0
[INFO] tweaked toml for crates.io crate port_sniffer 0.1.0 written to /workspace/builds/worker-8/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-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" "+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] 205b6d9a592dd1aa2fe8d67ce915d1468bca6af407ed25324ecde6210bfee917
[INFO] running `Command { std: "docker" "start" "-a" "205b6d9a592dd1aa2fe8d67ce915d1468bca6af407ed25324ecde6210bfee917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "205b6d9a592dd1aa2fe8d67ce915d1468bca6af407ed25324ecde6210bfee917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "205b6d9a592dd1aa2fe8d67ce915d1468bca6af407ed25324ecde6210bfee917", kill_on_drop: false }`
[INFO] [stdout] 205b6d9a592dd1aa2fe8d67ce915d1468bca6af407ed25324ecde6210bfee917
[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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce9831f5b6a4e888fd5dcbb1358b41ab97b46d04ff7b726dec1edb146a38a978
[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" "ce9831f5b6a4e888fd5dcbb1358b41ab97b46d04ff7b726dec1edb146a38a978", kill_on_drop: false }`
[INFO] [stderr]    Compiling port_sniffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `Command { std: "docker" "inspect" "ce9831f5b6a4e888fd5dcbb1358b41ab97b46d04ff7b726dec1edb146a38a978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce9831f5b6a4e888fd5dcbb1358b41ab97b46d04ff7b726dec1edb146a38a978", kill_on_drop: false }`
[INFO] [stdout] ce9831f5b6a4e888fd5dcbb1358b41ab97b46d04ff7b726dec1edb146a38a978
[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" "+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] b6b68893f8e5005b34636895af45062144815234fb8e8c1aaf147a07813b493e
[INFO] running `Command { std: "docker" "start" "-a" "b6b68893f8e5005b34636895af45062144815234fb8e8c1aaf147a07813b493e", kill_on_drop: false }`
[INFO] [stderr]    Compiling port_sniffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "b6b68893f8e5005b34636895af45062144815234fb8e8c1aaf147a07813b493e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6b68893f8e5005b34636895af45062144815234fb8e8c1aaf147a07813b493e", kill_on_drop: false }`
[INFO] [stdout] b6b68893f8e5005b34636895af45062144815234fb8e8c1aaf147a07813b493e
[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" "+1.49.0" "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] 81832c5f7985ccdee870ae3319f89b29b50edf1dc59a912871878714c8c555dc
[INFO] running `Command { std: "docker" "start" "-a" "81832c5f7985ccdee870ae3319f89b29b50edf1dc59a912871878714c8c555dc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/port_sniffer-3ade86ac7ed0c016
[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" "81832c5f7985ccdee870ae3319f89b29b50edf1dc59a912871878714c8c555dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81832c5f7985ccdee870ae3319f89b29b50edf1dc59a912871878714c8c555dc", kill_on_drop: false }`
[INFO] [stdout] 81832c5f7985ccdee870ae3319f89b29b50edf1dc59a912871878714c8c555dc