[INFO] cloning repository https://github.com/kzoacn/yao-gc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kzoacn/yao-gc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkzoacn%2Fyao-gc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkzoacn%2Fyao-gc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54b3f7b71fd05ea05507d2b1bcc7591bee82de68
[INFO] documenting kzoacn/yao-gc against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkzoacn%2Fyao-gc" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kzoacn/yao-gc on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kzoacn/yao-gc
[INFO] finished tweaking git repo https://github.com/kzoacn/yao-gc
[INFO] tweaked toml for git repo https://github.com/kzoacn/yao-gc written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/kzoacn/yao-gc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5952c3b3627455f931982674f9ce6511b40bf9d277dc8eaf7676645a0bd06035
[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" "5952c3b3627455f931982674f9ce6511b40bf9d277dc8eaf7676645a0bd06035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5952c3b3627455f931982674f9ce6511b40bf9d277dc8eaf7676645a0bd06035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5952c3b3627455f931982674f9ce6511b40bf9d277dc8eaf7676645a0bd06035", kill_on_drop: false }`
[INFO] [stdout] 5952c3b3627455f931982674f9ce6511b40bf9d277dc8eaf7676645a0bd06035
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 001fc0aa03af9a5a28aee9aa4598f5e0bfe6344912ff558bc38fd4d4df6c10da
[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" "001fc0aa03af9a5a28aee9aa4598f5e0bfe6344912ff558bc38fd4d4df6c10da", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]  Documenting yao-gc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.37s
[INFO] running `Command { std: "docker" "inspect" "001fc0aa03af9a5a28aee9aa4598f5e0bfe6344912ff558bc38fd4d4df6c10da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "001fc0aa03af9a5a28aee9aa4598f5e0bfe6344912ff558bc38fd4d4df6c10da", kill_on_drop: false }`
[INFO] [stdout] 001fc0aa03af9a5a28aee9aa4598f5e0bfe6344912ff558bc38fd4d4df6c10da