[INFO] cloning repository https://github.com/S-YOU/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/S-YOU/ferris_watch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FS-YOU%2Fferris_watch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FS-YOU%2Fferris_watch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 262e5db36f5d4162f1c202af6c3d39a8aea51359
[INFO] documenting S-YOU/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%2FS-YOU%2Fferris_watch" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/S-YOU/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/S-YOU/ferris_watch
[INFO] finished tweaking git repo https://github.com/S-YOU/ferris_watch
[INFO] tweaked toml for git repo https://github.com/S-YOU/ferris_watch written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/S-YOU/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 12e3cb100654d346093c5680477a5a967bd1ce0485b757bc6b458aa8d46153a9
[INFO] running `Command { std: "docker" "start" "-a" "12e3cb100654d346093c5680477a5a967bd1ce0485b757bc6b458aa8d46153a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12e3cb100654d346093c5680477a5a967bd1ce0485b757bc6b458aa8d46153a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12e3cb100654d346093c5680477a5a967bd1ce0485b757bc6b458aa8d46153a9", kill_on_drop: false }`
[INFO] [stdout] 12e3cb100654d346093c5680477a5a967bd1ce0485b757bc6b458aa8d46153a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 04cbdc8ddfb6cbfdd0a44e4d25eb4655e66cd1ec6b5dd7b4a2ef06bf04b8521c
[INFO] running `Command { std: "docker" "start" "-a" "04cbdc8ddfb6cbfdd0a44e4d25eb4655e66cd1ec6b5dd7b4a2ef06bf04b8521c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]     Checking arc-swap v0.3.6
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking signal-hook v0.1.6
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling ncurses v5.97.0
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking pancurses v0.16.0
[INFO] [stderr]     Checking backtrace v0.3.12
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]  Documenting ferris_watch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.93s
[INFO] running `Command { std: "docker" "inspect" "04cbdc8ddfb6cbfdd0a44e4d25eb4655e66cd1ec6b5dd7b4a2ef06bf04b8521c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04cbdc8ddfb6cbfdd0a44e4d25eb4655e66cd1ec6b5dd7b4a2ef06bf04b8521c", kill_on_drop: false }`
[INFO] [stdout] 04cbdc8ddfb6cbfdd0a44e4d25eb4655e66cd1ec6b5dd7b4a2ef06bf04b8521c