[INFO] updating cached repository https://github.com/ProgrammingRust/fingertips
[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] 71b3c9f9faf431aa9d5deb31062e9eeb247945a9
[INFO] documenting ProgrammingRust/fingertips against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProgrammingRust%2Ffingertips" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ProgrammingRust/fingertips 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/ProgrammingRust/fingertips
[INFO] finished tweaking git repo https://github.com/ProgrammingRust/fingertips
[INFO] tweaked toml for git repo https://github.com/ProgrammingRust/fingertips written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/ProgrammingRust/fingertips 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 15cf028bb61036bc50b55c72c187cad1d6df96871649bd1aaca2a9a0e55c50f0
[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" "15cf028bb61036bc50b55c72c187cad1d6df96871649bd1aaca2a9a0e55c50f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15cf028bb61036bc50b55c72c187cad1d6df96871649bd1aaca2a9a0e55c50f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15cf028bb61036bc50b55c72c187cad1d6df96871649bd1aaca2a9a0e55c50f0", kill_on_drop: false }`
[INFO] [stdout] 15cf028bb61036bc50b55c72c187cad1d6df96871649bd1aaca2a9a0e55c50f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 4d374889e7c9c063457ed24dcf0e2c48902c43cf2daa495921c3cc036b598ea8
[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" "4d374889e7c9c063457ed24dcf0e2c48902c43cf2daa495921c3cc036b598ea8", kill_on_drop: false }`
[INFO] [stderr]     Checking argparse v0.2.1
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]  Documenting fingertips v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `Command { std: "docker" "inspect" "4d374889e7c9c063457ed24dcf0e2c48902c43cf2daa495921c3cc036b598ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d374889e7c9c063457ed24dcf0e2c48902c43cf2daa495921c3cc036b598ea8", kill_on_drop: false }`
[INFO] [stdout] 4d374889e7c9c063457ed24dcf0e2c48902c43cf2daa495921c3cc036b598ea8