[INFO] fetching crate netutils 0.1.1...
[INFO] testing netutils-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate netutils 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate netutils 0.1.1 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 netutils 0.1.1
[INFO] finished tweaking crates.io crate netutils 0.1.1
[INFO] tweaked toml for crates.io crate netutils 0.1.1 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 594a9b08f1133405a746816de13e0ae1dc08b76537bd78d158821e2f255e9626
[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" "594a9b08f1133405a746816de13e0ae1dc08b76537bd78d158821e2f255e9626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "594a9b08f1133405a746816de13e0ae1dc08b76537bd78d158821e2f255e9626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "594a9b08f1133405a746816de13e0ae1dc08b76537bd78d158821e2f255e9626", kill_on_drop: false }`
[INFO] [stdout] 594a9b08f1133405a746816de13e0ae1dc08b76537bd78d158821e2f255e9626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a1e24d07fdf80d3aaf6738a1b58e2f66be8bbe7763ef2a73800005345c9b9473
[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" "a1e24d07fdf80d3aaf6738a1b58e2f66be8bbe7763ef2a73800005345c9b9473", kill_on_drop: false }`
[INFO] [stderr]    Compiling netutils v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "a1e24d07fdf80d3aaf6738a1b58e2f66be8bbe7763ef2a73800005345c9b9473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1e24d07fdf80d3aaf6738a1b58e2f66be8bbe7763ef2a73800005345c9b9473", kill_on_drop: false }`
[INFO] [stdout] a1e24d07fdf80d3aaf6738a1b58e2f66be8bbe7763ef2a73800005345c9b9473
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 699709629fe913438166e3675f8a479a894e4245811142684955d3a9fa984c70
[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" "699709629fe913438166e3675f8a479a894e4245811142684955d3a9fa984c70", kill_on_drop: false }`
[INFO] [stderr]    Compiling netutils v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "699709629fe913438166e3675f8a479a894e4245811142684955d3a9fa984c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699709629fe913438166e3675f8a479a894e4245811142684955d3a9fa984c70", kill_on_drop: false }`
[INFO] [stdout] 699709629fe913438166e3675f8a479a894e4245811142684955d3a9fa984c70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] bf6736577c4a151a5e0e493c17e080c4fe7e6e880e0093341a601d1865d55cf0
[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" "bf6736577c4a151a5e0e493c17e080c4fe7e6e880e0093341a601d1865d55cf0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/netutils-94040977fc021e0b
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tcp::tests::test_tcp_free_port ... ok
[INFO] [stdout] test udp::tests::test_udp_free_port ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests netutils
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/udp.rs - udp::free_port (line 6) ... ok
[INFO] [stdout] test src/tcp.rs - tcp::free_port (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bf6736577c4a151a5e0e493c17e080c4fe7e6e880e0093341a601d1865d55cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf6736577c4a151a5e0e493c17e080c4fe7e6e880e0093341a601d1865d55cf0", kill_on_drop: false }`
[INFO] [stdout] bf6736577c4a151a5e0e493c17e080c4fe7e6e880e0093341a601d1865d55cf0