[INFO] fetching crate rDNS 0.0.1...
[INFO] testing rDNS-0.0.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate rDNS 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rDNS 0.0.1 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rDNS 0.0.1
[INFO] finished tweaking crates.io crate rDNS 0.0.1
[INFO] tweaked toml for crates.io crate rDNS 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate rDNS 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eae774e739ab76cc5133962a1e9403d443c2a38bd92f3f05f261a3de85383f4c
[INFO] running `Command { std: "docker" "start" "-a" "eae774e739ab76cc5133962a1e9403d443c2a38bd92f3f05f261a3de85383f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eae774e739ab76cc5133962a1e9403d443c2a38bd92f3f05f261a3de85383f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eae774e739ab76cc5133962a1e9403d443c2a38bd92f3f05f261a3de85383f4c", kill_on_drop: false }`
[INFO] [stdout] eae774e739ab76cc5133962a1e9403d443c2a38bd92f3f05f261a3de85383f4c
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94d71b16de70d9d6721c6dae6c8a47e527fa803e490f50115f45c61c8d2f8e21
[INFO] running `Command { std: "docker" "start" "-a" "94d71b16de70d9d6721c6dae6c8a47e527fa803e490f50115f45c61c8d2f8e21", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling dns-lookup v1.0.5
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling rDNS v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.26s
[INFO] running `Command { std: "docker" "inspect" "94d71b16de70d9d6721c6dae6c8a47e527fa803e490f50115f45c61c8d2f8e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94d71b16de70d9d6721c6dae6c8a47e527fa803e490f50115f45c61c8d2f8e21", kill_on_drop: false }`
[INFO] [stdout] 94d71b16de70d9d6721c6dae6c8a47e527fa803e490f50115f45c61c8d2f8e21
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0269a0186d88e6b6f3cc1e2933265229549a0b57a4c60eff6fa7042ca56ad611
[INFO] running `Command { std: "docker" "start" "-a" "0269a0186d88e6b6f3cc1e2933265229549a0b57a4c60eff6fa7042ca56ad611", kill_on_drop: false }`
[INFO] [stderr]    Compiling rDNS v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "0269a0186d88e6b6f3cc1e2933265229549a0b57a4c60eff6fa7042ca56ad611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0269a0186d88e6b6f3cc1e2933265229549a0b57a4c60eff6fa7042ca56ad611", kill_on_drop: false }`
[INFO] [stdout] 0269a0186d88e6b6f3cc1e2933265229549a0b57a4c60eff6fa7042ca56ad611
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e4636912d150fe956361a85327511b44f0a06bbc3d4b7e5add24c7ca415a46f2
[INFO] running `Command { std: "docker" "start" "-a" "e4636912d150fe956361a85327511b44f0a06bbc3d4b7e5add24c7ca415a46f2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rDNS-4e2d4bfda1921888)
[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" "e4636912d150fe956361a85327511b44f0a06bbc3d4b7e5add24c7ca415a46f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4636912d150fe956361a85327511b44f0a06bbc3d4b7e5add24c7ca415a46f2", kill_on_drop: false }`
[INFO] [stdout] e4636912d150fe956361a85327511b44f0a06bbc3d4b7e5add24c7ca415a46f2