[INFO] fetching crate pretty-git-prompt 0.2.1...
[INFO] documenting pretty-git-prompt-0.2.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate pretty-git-prompt 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pretty-git-prompt 0.2.1 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 crates.io crate pretty-git-prompt 0.2.1
[INFO] finished tweaking crates.io crate pretty-git-prompt 0.2.1
[INFO] tweaked toml for crates.io crate pretty-git-prompt 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate pretty-git-prompt 0.2.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pkg-config v0.3.14
[INFO] [stderr]   Downloaded vcpkg v0.2.6
[INFO] [stderr]   Downloaded cfg-if v0.1.6
[INFO] [stderr]   Downloaded unicode-normalization v0.1.8
[INFO] [stderr]   Downloaded textwrap v0.10.0
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded git2 v0.13.1
[INFO] [stderr]   Downloaded clap v2.32.0
[INFO] [stderr]   Downloaded smallvec v0.6.9
[INFO] [stderr]   Downloaded libgit2-sys v0.12.2+1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9dd95ee091b40bd268fcae632fc87fe0a77f6974249db050ee4892224767127c
[INFO] running `Command { std: "docker" "start" "-a" "9dd95ee091b40bd268fcae632fc87fe0a77f6974249db050ee4892224767127c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dd95ee091b40bd268fcae632fc87fe0a77f6974249db050ee4892224767127c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd95ee091b40bd268fcae632fc87fe0a77f6974249db050ee4892224767127c", kill_on_drop: false }`
[INFO] [stdout] 9dd95ee091b40bd268fcae632fc87fe0a77f6974249db050ee4892224767127c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ff56ceffcfac036c6855db59b79abeea77e7715190c58a645bc5cb13be0f6cfa
[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" "ff56ceffcfac036c6855db59b79abeea77e7715190c58a645bc5cb13be0f6cfa", kill_on_drop: false }`
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libgit2-sys v0.12.2+1.0.0
[INFO] [stderr]     Checking git2 v0.13.1
[INFO] [stderr]  Documenting pretty-git-prompt v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.61s
[INFO] running `Command { std: "docker" "inspect" "ff56ceffcfac036c6855db59b79abeea77e7715190c58a645bc5cb13be0f6cfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff56ceffcfac036c6855db59b79abeea77e7715190c58a645bc5cb13be0f6cfa", kill_on_drop: false }`
[INFO] [stdout] ff56ceffcfac036c6855db59b79abeea77e7715190c58a645bc5cb13be0f6cfa