[INFO] cloning repository https://github.com/mi-wada/rust_dns_resolver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mi-wada/rust_dns_resolver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmi-wada%2Frust_dns_resolver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmi-wada%2Frust_dns_resolver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ecde21a58022ef64f444bad330e51b2222fe6ad3
[INFO] testing mi-wada/rust_dns_resolver against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmi-wada%2Frust_dns_resolver" "/workspace/builds/worker-40/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mi-wada/rust_dns_resolver on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mi-wada/rust_dns_resolver
[INFO] finished tweaking git repo https://github.com/mi-wada/rust_dns_resolver
[INFO] tweaked toml for git repo https://github.com/mi-wada/rust_dns_resolver written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate git repo https://github.com/mi-wada/rust_dns_resolver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a45da86e1478efb95b4d45dee563ee094d0742f1eaf8505bb9acf2492bf2e89
[INFO] running `Command { std: "docker" "start" "-a" "7a45da86e1478efb95b4d45dee563ee094d0742f1eaf8505bb9acf2492bf2e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a45da86e1478efb95b4d45dee563ee094d0742f1eaf8505bb9acf2492bf2e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a45da86e1478efb95b4d45dee563ee094d0742f1eaf8505bb9acf2492bf2e89", kill_on_drop: false }`
[INFO] [stdout] 7a45da86e1478efb95b4d45dee563ee094d0742f1eaf8505bb9acf2492bf2e89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aa3f009f4486ff456ccfe56624f2e8eb8bf574aef6c10747eb5238e0c6ff429
[INFO] running `Command { std: "docker" "start" "-a" "7aa3f009f4486ff456ccfe56624f2e8eb8bf574aef6c10747eb5238e0c6ff429", kill_on_drop: false }`
[INFO] [stderr]    Compiling dns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `Command { std: "docker" "inspect" "7aa3f009f4486ff456ccfe56624f2e8eb8bf574aef6c10747eb5238e0c6ff429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa3f009f4486ff456ccfe56624f2e8eb8bf574aef6c10747eb5238e0c6ff429", kill_on_drop: false }`
[INFO] [stdout] 7aa3f009f4486ff456ccfe56624f2e8eb8bf574aef6c10747eb5238e0c6ff429
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20dcde410587f95cfd997c0267992acd13d280f4975d0e1deee08002d4950fe3
[INFO] running `Command { std: "docker" "start" "-a" "20dcde410587f95cfd997c0267992acd13d280f4975d0e1deee08002d4950fe3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "20dcde410587f95cfd997c0267992acd13d280f4975d0e1deee08002d4950fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20dcde410587f95cfd997c0267992acd13d280f4975d0e1deee08002d4950fe3", kill_on_drop: false }`
[INFO] [stdout] 20dcde410587f95cfd997c0267992acd13d280f4975d0e1deee08002d4950fe3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3bca3213ff22151c6264646c118922bd5e64b041aee4fcda5f51870a6f0f70af
[INFO] running `Command { std: "docker" "start" "-a" "3bca3213ff22151c6264646c118922bd5e64b041aee4fcda5f51870a6f0f70af", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dns-df88645b49cb18e6)
[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" "3bca3213ff22151c6264646c118922bd5e64b041aee4fcda5f51870a6f0f70af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bca3213ff22151c6264646c118922bd5e64b041aee4fcda5f51870a6f0f70af", kill_on_drop: false }`
[INFO] [stdout] 3bca3213ff22151c6264646c118922bd5e64b041aee4fcda5f51870a6f0f70af