[INFO] fetching crate dns2 0.1.0...
[INFO] testing dns2-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate dns2 0.1.0 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate dns2 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dns2 0.1.0
[INFO] finished tweaking crates.io crate dns2 0.1.0
[INFO] tweaked toml for crates.io crate dns2 0.1.0 written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adbbf9edf507d665e1ebf7da433be7daf61eae5e4a5b503c7a9a516ab496f0c8
[INFO] running `Command { std: "docker" "start" "-a" "adbbf9edf507d665e1ebf7da433be7daf61eae5e4a5b503c7a9a516ab496f0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adbbf9edf507d665e1ebf7da433be7daf61eae5e4a5b503c7a9a516ab496f0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adbbf9edf507d665e1ebf7da433be7daf61eae5e4a5b503c7a9a516ab496f0c8", kill_on_drop: false }`
[INFO] [stdout] adbbf9edf507d665e1ebf7da433be7daf61eae5e4a5b503c7a9a516ab496f0c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13a4dca31ff4846f0d1ac9531c0f93fd1cdcaf525becdf8a89b2b451f78be20e
[INFO] running `Command { std: "docker" "start" "-a" "13a4dca31ff4846f0d1ac9531c0f93fd1cdcaf525becdf8a89b2b451f78be20e", kill_on_drop: false }`
[INFO] [stderr]    Compiling dns2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "13a4dca31ff4846f0d1ac9531c0f93fd1cdcaf525becdf8a89b2b451f78be20e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13a4dca31ff4846f0d1ac9531c0f93fd1cdcaf525becdf8a89b2b451f78be20e", kill_on_drop: false }`
[INFO] [stdout] 13a4dca31ff4846f0d1ac9531c0f93fd1cdcaf525becdf8a89b2b451f78be20e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7e2dd5bf600313ce5c1362e9694839317f9d6306a3267f4816e17db50830b63
[INFO] running `Command { std: "docker" "start" "-a" "b7e2dd5bf600313ce5c1362e9694839317f9d6306a3267f4816e17db50830b63", kill_on_drop: false }`
[INFO] [stderr]    Compiling dns2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "b7e2dd5bf600313ce5c1362e9694839317f9d6306a3267f4816e17db50830b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7e2dd5bf600313ce5c1362e9694839317f9d6306a3267f4816e17db50830b63", kill_on_drop: false }`
[INFO] [stdout] b7e2dd5bf600313ce5c1362e9694839317f9d6306a3267f4816e17db50830b63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a637bd6f18f662d63a143315ebf09a98fc3b46e61c88b65fc0a2b66d9fedbd04
[INFO] running `Command { std: "docker" "start" "-a" "a637bd6f18f662d63a143315ebf09a98fc3b46e61c88b65fc0a2b66d9fedbd04", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dns2-96520fb32428b97a)
[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] [stderr]    Doc-tests dns2
[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" "a637bd6f18f662d63a143315ebf09a98fc3b46e61c88b65fc0a2b66d9fedbd04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a637bd6f18f662d63a143315ebf09a98fc3b46e61c88b65fc0a2b66d9fedbd04", kill_on_drop: false }`
[INFO] [stdout] a637bd6f18f662d63a143315ebf09a98fc3b46e61c88b65fc0a2b66d9fedbd04