[INFO] cloning repository https://github.com/nkoehring/nanobe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nkoehring/nanobe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnkoehring%2Fnanobe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnkoehring%2Fnanobe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 456e04d73553de4fcdadedb722d3ac817e36b5b7
[INFO] documenting nkoehring/nanobe 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%2Fnkoehring%2Fnanobe" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nkoehring/nanobe 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/nkoehring/nanobe
[INFO] removed path dependency bart_derive from git repo https://github.com/nkoehring/nanobe
[INFO] finished tweaking git repo https://github.com/nkoehring/nanobe
[INFO] tweaked toml for git repo https://github.com/nkoehring/nanobe written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/nkoehring/nanobe 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]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typed-arena v1.7.0
[INFO] [stderr]   Downloaded trackable_derive v0.1.3
[INFO] [stderr]   Downloaded trackable v0.2.23
[INFO] [stderr]   Downloaded slog-stdlog v3.0.5
[INFO] [stderr]   Downloaded slog-scope v4.3.0
[INFO] [stderr]   Downloaded bart_derive v0.1.4
[INFO] [stderr]   Downloaded itertools v0.6.5
[INFO] [stderr]   Downloaded bart v0.1.4
[INFO] [stderr]   Downloaded serde_yaml v0.7.5
[INFO] [stderr]   Downloaded sloggers v0.2.9
[INFO] [stderr]   Downloaded entities v1.0.1
[INFO] [stderr]   Downloaded term_size v0.3.2
[INFO] [stderr]   Downloaded slog-kvfilter v0.6.1
[INFO] [stderr]   Downloaded nom v2.2.1
[INFO] [stderr]   Downloaded comrak v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 34efa9f09780b42694045051a413291c9a1396cda22eb6f30897d51edb4a57c6
[INFO] running `Command { std: "docker" "start" "-a" "34efa9f09780b42694045051a413291c9a1396cda22eb6f30897d51edb4a57c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34efa9f09780b42694045051a413291c9a1396cda22eb6f30897d51edb4a57c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34efa9f09780b42694045051a413291c9a1396cda22eb6f30897d51edb4a57c6", kill_on_drop: false }`
[INFO] [stdout] 34efa9f09780b42694045051a413291c9a1396cda22eb6f30897d51edb4a57c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] c72570ec7c679f20f2b14625c4e29c24a29863e9482458ff5fa0b2b54c4333a3
[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" "c72570ec7c679f20f2b14625c4e29c24a29863e9482458ff5fa0b2b54c4333a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]     Checking bart v0.1.4
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking slog-async v2.5.0
[INFO] [stderr]     Checking slog-kvfilter v0.6.1
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]     Checking slog-term v2.6.0
[INFO] [stderr]     Checking trackable v0.2.23
[INFO] [stderr]    Compiling bart_derive v0.1.4
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking comrak v0.1.9
[INFO] [stderr]     Checking sloggers v0.2.9
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]  Documenting nanobe v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.65s
[INFO] running `Command { std: "docker" "inspect" "c72570ec7c679f20f2b14625c4e29c24a29863e9482458ff5fa0b2b54c4333a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c72570ec7c679f20f2b14625c4e29c24a29863e9482458ff5fa0b2b54c4333a3", kill_on_drop: false }`
[INFO] [stdout] c72570ec7c679f20f2b14625c4e29c24a29863e9482458ff5fa0b2b54c4333a3