[INFO] cloning repository https://github.com/csharad/cargo-ruukh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/csharad/cargo-ruukh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsharad%2Fcargo-ruukh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsharad%2Fcargo-ruukh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9af34455bb180890838773645334c33401844b05
[INFO] documenting csharad/cargo-ruukh 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%2Fcsharad%2Fcargo-ruukh" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/csharad/cargo-ruukh 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/csharad/cargo-ruukh
[INFO] finished tweaking git repo https://github.com/csharad/cargo-ruukh
[INFO] tweaked toml for git repo https://github.com/csharad/cargo-ruukh written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/csharad/cargo-ruukh 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 filetime v0.2.1
[INFO] [stderr]   Downloaded colored v1.6.1
[INFO] [stderr]   Downloaded fsevent v0.2.17
[INFO] [stderr]   Downloaded fsevent-sys v0.1.6
[INFO] [stderr]   Downloaded heck v0.3.0
[INFO] [stderr]   Downloaded futures v0.1.24
[INFO] [stderr]   Downloaded tokio-codec v0.1.0
[INFO] [stderr]   Downloaded tokio-fs v0.1.3
[INFO] [stderr]   Downloaded notify v4.0.6
[INFO] [stderr]   Downloaded serde_json v1.0.28
[INFO] [stderr]   Downloaded structopt v0.2.13
[INFO] [stderr]   Downloaded lazycell v1.1.0
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.7
[INFO] [stderr]   Downloaded tokio-reactor v0.1.5
[INFO] [stderr]   Downloaded proc-macro2 v0.4.19
[INFO] [stderr]   Downloaded serde_derive v1.0.79
[INFO] [stderr]   Downloaded tokio-tcp v0.1.1
[INFO] [stderr]   Downloaded tokio-timer v0.2.6
[INFO] [stderr]   Downloaded lock_api v0.1.3
[INFO] [stderr]   Downloaded tokio-io v0.1.8
[INFO] [stderr]   Downloaded httparse v1.3.2
[INFO] [stderr]   Downloaded digest v0.7.5
[INFO] [stderr]   Downloaded indexmap v1.0.1
[INFO] [stderr]   Downloaded warp v0.1.9
[INFO] [stderr]   Downloaded mime v0.3.9
[INFO] [stderr]   Downloaded structopt-derive v0.2.13
[INFO] [stderr]   Downloaded walkdir v2.2.5
[INFO] [stderr]   Downloaded h2 v0.1.12
[INFO] [stderr]   Downloaded same-file v1.0.3
[INFO] [stderr]   Downloaded unicase v2.1.0
[INFO] [stderr]   Downloaded hyper v0.12.10
[INFO] [stderr]   Downloaded syn v0.15.4
[INFO] [stderr]   Downloaded tokio-uds v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 78f5710a3cef6ee26a3d3b6bb67a2cb44e62cdecd304f1d1308ca047606cf6a2
[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" "78f5710a3cef6ee26a3d3b6bb67a2cb44e62cdecd304f1d1308ca047606cf6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78f5710a3cef6ee26a3d3b6bb67a2cb44e62cdecd304f1d1308ca047606cf6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78f5710a3cef6ee26a3d3b6bb67a2cb44e62cdecd304f1d1308ca047606cf6a2", kill_on_drop: false }`
[INFO] [stdout] 78f5710a3cef6ee26a3d3b6bb67a2cb44e62cdecd304f1d1308ca047606cf6a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 6a25be859933c059ac33fdf6103c453644de42328f6fb0e102b573a2bb77bd9c
[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" "6a25be859933c059ac33fdf6103c453644de42328f6fb0e102b573a2bb77bd9c", kill_on_drop: false }`
[INFO] [stderr]     Checking lazycell v1.1.0
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking digest v0.7.5
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.6
[INFO] [stderr]     Checking tokio-current-thread v0.1.3
[INFO] [stderr]     Checking tungstenite v0.6.0
[INFO] [stderr]     Checking tokio-reactor v0.1.5
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.1
[INFO] [stderr]     Checking tokio-uds v0.2.1
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking headers-core v0.0.1
[INFO] [stderr]     Checking h2 v0.1.12
[INFO] [stderr]     Checking notify v4.0.6
[INFO] [stderr]    Compiling synstructure v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling headers-derive v0.0.1
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking hyper v0.12.10
[INFO] [stderr]     Checking headers-ext v0.0.3
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking structopt v0.2.13
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking serde_json v1.0.28
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking warp v0.1.9
[INFO] [stderr]  Documenting cargo-ruukh v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.09s
[INFO] running `Command { std: "docker" "inspect" "6a25be859933c059ac33fdf6103c453644de42328f6fb0e102b573a2bb77bd9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a25be859933c059ac33fdf6103c453644de42328f6fb0e102b573a2bb77bd9c", kill_on_drop: false }`
[INFO] [stdout] 6a25be859933c059ac33fdf6103c453644de42328f6fb0e102b573a2bb77bd9c