[INFO] cloning repository https://github.com/arpith/dns-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arpith/dns-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farpith%2Fdns-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farpith%2Fdns-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4c6e60728481e3f20f863dfa57acbc741cbdb95
[INFO] checking arpith/dns-client against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farpith%2Fdns-client" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arpith/dns-client on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arpith/dns-client
[INFO] finished tweaking git repo https://github.com/arpith/dns-client
[INFO] tweaked toml for git repo https://github.com/arpith/dns-client written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/arpith/dns-client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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] 5a518b407bfa6ad023508ef285e13b829cc7d53ee4eff55840ce13767643f5d6
[INFO] running `Command { std: "docker" "start" "-a" "5a518b407bfa6ad023508ef285e13b829cc7d53ee4eff55840ce13767643f5d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a518b407bfa6ad023508ef285e13b829cc7d53ee4eff55840ce13767643f5d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a518b407bfa6ad023508ef285e13b829cc7d53ee4eff55840ce13767643f5d6", kill_on_drop: false }`
[INFO] [stdout] 5a518b407bfa6ad023508ef285e13b829cc7d53ee4eff55840ce13767643f5d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f44821d67b9ea752947223543fb64ece1f086d46962d6895f197af5b68c89c1d
[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" "f44821d67b9ea752947223543fb64ece1f086d46962d6895f197af5b68c89c1d", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking dns-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "f44821d67b9ea752947223543fb64ece1f086d46962d6895f197af5b68c89c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f44821d67b9ea752947223543fb64ece1f086d46962d6895f197af5b68c89c1d", kill_on_drop: false }`
[INFO] [stdout] f44821d67b9ea752947223543fb64ece1f086d46962d6895f197af5b68c89c1d