[INFO] fetching crate guidon-cli 0.2.7...
[INFO] documenting guidon-cli-0.2.7 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate guidon-cli 0.2.7 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate guidon-cli 0.2.7 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 guidon-cli 0.2.7
[INFO] finished tweaking crates.io crate guidon-cli 0.2.7
[INFO] tweaked toml for crates.io crate guidon-cli 0.2.7 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate guidon-cli 0.2.7 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 guidon v0.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 4f5aa987bbe31bf7224f1c4d31ced19ccc8d9d61209c8e28ea4e9a72c3264cd8
[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" "4f5aa987bbe31bf7224f1c4d31ced19ccc8d9d61209c8e28ea4e9a72c3264cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f5aa987bbe31bf7224f1c4d31ced19ccc8d9d61209c8e28ea4e9a72c3264cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f5aa987bbe31bf7224f1c4d31ced19ccc8d9d61209c8e28ea4e9a72c3264cd8", kill_on_drop: false }`
[INFO] [stdout] 4f5aa987bbe31bf7224f1c4d31ced19ccc8d9d61209c8e28ea4e9a72c3264cd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1fd85b022c3f924bca9cb5427f894de3649076524d719c3ec08442f23bee8be3
[INFO] running `Command { std: "docker" "start" "-a" "1fd85b022c3f924bca9cb5427f894de3649076524d719c3ec08442f23bee8be3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking simple_logger v1.6.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libssh2-sys v0.2.18
[INFO] [stderr]    Compiling libgit2-sys v0.12.7+1.0.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking git2 v0.13.6
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling gumdrop_derive v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking handlebars v3.2.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking gumdrop v0.8.0
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking guidon v0.2.7
[INFO] [stderr]  Documenting guidon-cli v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "1fd85b022c3f924bca9cb5427f894de3649076524d719c3ec08442f23bee8be3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fd85b022c3f924bca9cb5427f894de3649076524d719c3ec08442f23bee8be3", kill_on_drop: false }`
[INFO] [stdout] 1fd85b022c3f924bca9cb5427f894de3649076524d719c3ec08442f23bee8be3