[INFO] crate k2so 2.1.0 is already in cache
[INFO] documenting k2so-2.1.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate k2so 2.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate k2so 2.1.0 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 crates.io crate k2so 2.1.0
[INFO] finished tweaking crates.io crate k2so 2.1.0
[INFO] tweaked toml for crates.io crate k2so 2.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 53d6421b9a27ce8166c106e506764d742007e84ddda77685e2e48d7c7f6ee5ac
[INFO] running `Command { std: "docker" "start" "-a" "53d6421b9a27ce8166c106e506764d742007e84ddda77685e2e48d7c7f6ee5ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53d6421b9a27ce8166c106e506764d742007e84ddda77685e2e48d7c7f6ee5ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53d6421b9a27ce8166c106e506764d742007e84ddda77685e2e48d7c7f6ee5ac", kill_on_drop: false }`
[INFO] [stdout] 53d6421b9a27ce8166c106e506764d742007e84ddda77685e2e48d7c7f6ee5ac
[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] f92e27ca5bcea0ce46afbba96796e7aef6bcdb7d2207ec529992085099e7c10a
[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" "f92e27ca5bcea0ce46afbba96796e7aef6bcdb7d2207ec529992085099e7c10a", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking unicode-segmentation v0.1.3
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking clap v2.19.3
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stderr]  Documenting k2so v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.07s
[INFO] running `Command { std: "docker" "inspect" "f92e27ca5bcea0ce46afbba96796e7aef6bcdb7d2207ec529992085099e7c10a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f92e27ca5bcea0ce46afbba96796e7aef6bcdb7d2207ec529992085099e7c10a", kill_on_drop: false }`
[INFO] [stdout] f92e27ca5bcea0ce46afbba96796e7aef6bcdb7d2207ec529992085099e7c10a