[INFO] cloning repository https://github.com/ammongit/markov-music
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ammongit/markov-music" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fammongit%2Fmarkov-music", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fammongit%2Fmarkov-music'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68dea06d36893e7050d554ddc802504ddc3dddff
[INFO] documenting ammongit/markov-music 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%2Fammongit%2Fmarkov-music" "/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/ammongit/markov-music 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/ammongit/markov-music
[INFO] finished tweaking git repo https://github.com/ammongit/markov-music
[INFO] tweaked toml for git repo https://github.com/ammongit/markov-music written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/ammongit/markov-music 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 simple-logging v2.0.1
[INFO] [stderr]   Downloaded mpd v0.0.12
[INFO] [stderr]   Downloaded thread-id v3.2.0
[INFO] [stderr]   Downloaded toml v0.4.4
[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] 3a6914e086915b8a222a179b84087ef8fc36fab95bcdecd52ebd4afdebdff146
[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" "3a6914e086915b8a222a179b84087ef8fc36fab95bcdecd52ebd4afdebdff146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a6914e086915b8a222a179b84087ef8fc36fab95bcdecd52ebd4afdebdff146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a6914e086915b8a222a179b84087ef8fc36fab95bcdecd52ebd4afdebdff146", kill_on_drop: false }`
[INFO] [stdout] 3a6914e086915b8a222a179b84087ef8fc36fab95bcdecd52ebd4afdebdff146
[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] a77c1beda49cd1ae5abab4f135db132410c972220c5bb5868cb81e117f334a96
[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" "a77c1beda49cd1ae5abab4f135db132410c972220c5bb5868cb81e117f334a96", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking bufstream v0.1.3
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.1
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking thread-id v3.2.0
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking simple-logging v2.0.1
[INFO] [stderr]     Checking textwrap v0.7.0
[INFO] [stderr]     Checking clap v2.26.0
[INFO] [stderr]     Checking mpd v0.0.12
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling diesel_derives v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]     Checking diesel v1.1.1
[INFO] [stderr]     Checking serde v1.0.11
[INFO] [stderr]     Checking toml v0.4.4
[INFO] [stderr]  Documenting markov-music v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.04s
[INFO] running `Command { std: "docker" "inspect" "a77c1beda49cd1ae5abab4f135db132410c972220c5bb5868cb81e117f334a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a77c1beda49cd1ae5abab4f135db132410c972220c5bb5868cb81e117f334a96", kill_on_drop: false }`
[INFO] [stdout] a77c1beda49cd1ae5abab4f135db132410c972220c5bb5868cb81e117f334a96