[INFO] cloning repository https://github.com/wdullaer/scotty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wdullaer/scotty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwdullaer%2Fscotty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwdullaer%2Fscotty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1238cfbe01426bcd18ccad5736f8099162b812cb
[INFO] documenting wdullaer/scotty against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwdullaer%2Fscotty" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wdullaer/scotty on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wdullaer/scotty
[INFO] finished tweaking git repo https://github.com/wdullaer/scotty
[INFO] tweaked toml for git repo https://github.com/wdullaer/scotty written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/wdullaer/scotty already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fst v0.4.4
[INFO] [stderr]   Downloaded sled v0.34.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e35ba6779551c6bbc8f3e1c82197702e5e3902551a313a2818fac8b8c5a3b3e
[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" "7e35ba6779551c6bbc8f3e1c82197702e5e3902551a313a2818fac8b8c5a3b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e35ba6779551c6bbc8f3e1c82197702e5e3902551a313a2818fac8b8c5a3b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e35ba6779551c6bbc8f3e1c82197702e5e3902551a313a2818fac8b8c5a3b3e", kill_on_drop: false }`
[INFO] [stdout] 7e35ba6779551c6bbc8f3e1c82197702e5e3902551a313a2818fac8b8c5a3b3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ef98330f68b676d6d698e49ba4fca1a9d8b00bc03b1241c3d860fb48f974060
[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" "2ef98330f68b676d6d698e49ba4fca1a9d8b00bc03b1241c3d860fb48f974060", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling fst v0.4.4
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking thread_local v1.0.0
[INFO] [stderr]     Checking tabwriter v1.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking fuzzy-matcher v0.3.5
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking directories v3.0.1
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking sled v0.34.3
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]  Documenting scotty v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.23s
[INFO] running `Command { std: "docker" "inspect" "2ef98330f68b676d6d698e49ba4fca1a9d8b00bc03b1241c3d860fb48f974060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef98330f68b676d6d698e49ba4fca1a9d8b00bc03b1241c3d860fb48f974060", kill_on_drop: false }`
[INFO] [stdout] 2ef98330f68b676d6d698e49ba4fca1a9d8b00bc03b1241c3d860fb48f974060