[INFO] updating cached repository https://github.com/DdZ-Fred/rust_nth_fibonacci_number
[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] 1c32896563af82afb8aa4f5fd685c5af31f7f364
[INFO] documenting DdZ-Fred/rust_nth_fibonacci_number against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDdZ-Fred%2Frust_nth_fibonacci_number" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DdZ-Fred/rust_nth_fibonacci_number 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/DdZ-Fred/rust_nth_fibonacci_number
[INFO] finished tweaking git repo https://github.com/DdZ-Fred/rust_nth_fibonacci_number
[INFO] tweaked toml for git repo https://github.com/DdZ-Fred/rust_nth_fibonacci_number written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/DdZ-Fred/rust_nth_fibonacci_number 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 915baf85d037fa0d194d54c0855ddd33793579104d4714e7a24e9ea1ff7d978f
[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" "915baf85d037fa0d194d54c0855ddd33793579104d4714e7a24e9ea1ff7d978f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "915baf85d037fa0d194d54c0855ddd33793579104d4714e7a24e9ea1ff7d978f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "915baf85d037fa0d194d54c0855ddd33793579104d4714e7a24e9ea1ff7d978f", kill_on_drop: false }`
[INFO] [stdout] 915baf85d037fa0d194d54c0855ddd33793579104d4714e7a24e9ea1ff7d978f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ef6be9f5b2766aacf0e95b922d542d4eb9b91a54817a28639a39d8420f8f6156
[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" "ef6be9f5b2766aacf0e95b922d542d4eb9b91a54817a28639a39d8420f8f6156", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust_nth_fibonacci_number v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "ef6be9f5b2766aacf0e95b922d542d4eb9b91a54817a28639a39d8420f8f6156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef6be9f5b2766aacf0e95b922d542d4eb9b91a54817a28639a39d8420f8f6156", kill_on_drop: false }`
[INFO] [stdout] ef6be9f5b2766aacf0e95b922d542d4eb9b91a54817a28639a39d8420f8f6156