[INFO] cloning repository https://github.com/Hiptic/c-ares-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hiptic/c-ares-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHiptic%2Fc-ares-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHiptic%2Fc-ares-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 903b8a5c5e75395942a8dd1db9ea6267aec7a890
[INFO] documenting Hiptic/c-ares-experiment against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHiptic%2Fc-ares-experiment" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hiptic/c-ares-experiment on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Hiptic/c-ares-experiment
[INFO] finished tweaking git repo https://github.com/Hiptic/c-ares-experiment
[INFO] tweaked toml for git repo https://github.com/Hiptic/c-ares-experiment written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Hiptic/c-ares-experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c-ares-resolver v0.4.2
[INFO] [stderr]   Downloaded c-types v1.1.1
[INFO] [stderr]   Downloaded c-ares v1.1.2
[INFO] [stderr]   Downloaded c-ares-sys v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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] e4741c62f8f069b8f250a62b96cf95d96c73ecd1a27d0c19043b84582110d9d4
[INFO] running `Command { std: "docker" "start" "-a" "e4741c62f8f069b8f250a62b96cf95d96c73ecd1a27d0c19043b84582110d9d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4741c62f8f069b8f250a62b96cf95d96c73ecd1a27d0c19043b84582110d9d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4741c62f8f069b8f250a62b96cf95d96c73ecd1a27d0c19043b84582110d9d4", kill_on_drop: false }`
[INFO] [stdout] e4741c62f8f069b8f250a62b96cf95d96c73ecd1a27d0c19043b84582110d9d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bc928d9eef6423988042361f3ad8b39334107b4f4e27528d51db3ce292af385
[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" "6bc928d9eef6423988042361f3ad8b39334107b4f4e27528d51db3ce292af385", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking futures v0.1.11
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking itertools v0.5.9
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking net2 v0.2.27
[INFO] [stderr]     Checking c-types v1.1.1
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]     Checking bytes v0.4.1
[INFO] [stderr]     Checking mio v0.6.6
[INFO] [stderr]    Compiling c-ares-sys v1.0.2
[INFO] [stderr]     Checking c-ares v1.1.2
[INFO] [stderr]     Checking tokio-io v0.1.1
[INFO] [stderr]     Checking tokio-core v0.1.6
[INFO] [stderr]     Checking c-ares-resolver v0.4.2
[INFO] [stderr]  Documenting c-ares-experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.18s
[INFO] running `Command { std: "docker" "inspect" "6bc928d9eef6423988042361f3ad8b39334107b4f4e27528d51db3ce292af385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bc928d9eef6423988042361f3ad8b39334107b4f4e27528d51db3ce292af385", kill_on_drop: false }`
[INFO] [stdout] 6bc928d9eef6423988042361f3ad8b39334107b4f4e27528d51db3ce292af385