[INFO] updating cached repository https://github.com/Kreyren/rustlang-ping
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c182c76baa8ca3fd639b353367dbc2e2f4514709
[INFO] documenting Kreyren/rustlang-ping against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKreyren%2Frustlang-ping" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kreyren/rustlang-ping 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/Kreyren/rustlang-ping
[INFO] finished tweaking git repo https://github.com/Kreyren/rustlang-ping
[INFO] tweaked toml for git repo https://github.com/Kreyren/rustlang-ping written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Kreyren/rustlang-ping 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 60cd08e112ae050b6cd569ac7be614919d028fb2fe5e5c73ccd29d918c9b3c3f
[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" "60cd08e112ae050b6cd569ac7be614919d028fb2fe5e5c73ccd29d918c9b3c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60cd08e112ae050b6cd569ac7be614919d028fb2fe5e5c73ccd29d918c9b3c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60cd08e112ae050b6cd569ac7be614919d028fb2fe5e5c73ccd29d918c9b3c3f", kill_on_drop: false }`
[INFO] [stdout] 60cd08e112ae050b6cd569ac7be614919d028fb2fe5e5c73ccd29d918c9b3c3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 32bc86796d0627c6843b7531d2910bf4cf733afbf5d1a4dd365cc254d0a86aec
[INFO] running `Command { std: "docker" "start" "-a" "32bc86796d0627c6843b7531d2910bf4cf733afbf5d1a4dd365cc254d0a86aec", kill_on_drop: false }`
[INFO] [stderr]  Documenting rustlang-ping v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "32bc86796d0627c6843b7531d2910bf4cf733afbf5d1a4dd365cc254d0a86aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32bc86796d0627c6843b7531d2910bf4cf733afbf5d1a4dd365cc254d0a86aec", kill_on_drop: false }`
[INFO] [stdout] 32bc86796d0627c6843b7531d2910bf4cf733afbf5d1a4dd365cc254d0a86aec