[INFO] cloning repository https://github.com/jumpyoshim/ferris-watch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jumpyoshim/ferris-watch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjumpyoshim%2Fferris-watch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjumpyoshim%2Fferris-watch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10aded0d201a6a2e7c0b30a3b223c24494b8bc37
[INFO] documenting jumpyoshim/ferris-watch against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjumpyoshim%2Fferris-watch" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jumpyoshim/ferris-watch on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jumpyoshim/ferris-watch
[INFO] finished tweaking git repo https://github.com/jumpyoshim/ferris-watch
[INFO] tweaked toml for git repo https://github.com/jumpyoshim/ferris-watch written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/jumpyoshim/ferris-watch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fcf864622fef2bf64791f0162a634ed9e5a399a969970301682a8c9620116cd
[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" "2fcf864622fef2bf64791f0162a634ed9e5a399a969970301682a8c9620116cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fcf864622fef2bf64791f0162a634ed9e5a399a969970301682a8c9620116cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fcf864622fef2bf64791f0162a634ed9e5a399a969970301682a8c9620116cd", kill_on_drop: false }`
[INFO] [stdout] 2fcf864622fef2bf64791f0162a634ed9e5a399a969970301682a8c9620116cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "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] 9e76bd475453606650154f472181b6d367e2f52322944e593e856597423124bd
[INFO] running `Command { std: "docker" "start" "-a" "9e76bd475453606650154f472181b6d367e2f52322944e593e856597423124bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking arc-swap v0.3.6
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]     Checking signal-hook v0.1.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling ncurses v5.97.0
[INFO] [stderr]     Checking pancurses v0.16.0
[INFO] [stderr]     Checking backtrace v0.3.12
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]  Documenting ferris_watch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.56s
[INFO] running `Command { std: "docker" "inspect" "9e76bd475453606650154f472181b6d367e2f52322944e593e856597423124bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e76bd475453606650154f472181b6d367e2f52322944e593e856597423124bd", kill_on_drop: false }`
[INFO] [stdout] 9e76bd475453606650154f472181b6d367e2f52322944e593e856597423124bd