[INFO] cloning repository https://github.com/batisteo/checkboxes-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/batisteo/checkboxes-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbatisteo%2Fcheckboxes-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbatisteo%2Fcheckboxes-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a73bb3c63c8520372234489af72886a13b958c8
[INFO] documenting batisteo/checkboxes-example 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%2Fbatisteo%2Fcheckboxes-example" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/batisteo/checkboxes-example 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/batisteo/checkboxes-example
[INFO] finished tweaking git repo https://github.com/batisteo/checkboxes-example
[INFO] tweaked toml for git repo https://github.com/batisteo/checkboxes-example written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/batisteo/checkboxes-example 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 serde v1.0.92
[INFO] [stderr]   Downloaded humantime v1.2.0
[INFO] [stderr]   Downloaded signal-hook v0.1.9
[INFO] [stderr]   Downloaded awc v0.2.1
[INFO] [stderr]   Downloaded actix-connect v0.2.0
[INFO] [stderr]   Downloaded actix-server-config v0.1.1
[INFO] [stderr]   Downloaded winreg v0.6.0
[INFO] [stderr]   Downloaded tokio-sync v0.1.5
[INFO] [stderr]   Downloaded copyless v0.1.3
[INFO] [stderr]   Downloaded string v0.2.0
[INFO] [stderr]   Downloaded actix-rt v0.2.2
[INFO] [stderr]   Downloaded actix-http v0.2.3
[INFO] [stderr]   Downloaded hashbrown v0.3.1
[INFO] [stderr]   Downloaded env_logger v0.6.1
[INFO] [stderr]   Downloaded actix-service v0.4.0
[INFO] [stderr]   Downloaded serde_derive v1.0.92
[INFO] [stderr]   Downloaded actix-utils v0.4.1
[INFO] [stderr]   Downloaded ring v0.14.6
[INFO] [stderr]   Downloaded actix-web v1.0.0
[INFO] [stderr]   Downloaded ipconfig v0.2.0
[INFO] [stderr]   Downloaded futures v0.1.27
[INFO] [stderr]   Downloaded h2 v0.1.23
[INFO] [stderr]   Downloaded backtrace v0.3.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 56d9743eef6b29c28de829227a306479815e3b904881ea2024fba6f31682d894
[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" "56d9743eef6b29c28de829227a306479815e3b904881ea2024fba6f31682d894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56d9743eef6b29c28de829227a306479815e3b904881ea2024fba6f31682d894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56d9743eef6b29c28de829227a306479815e3b904881ea2024fba6f31682d894", kill_on_drop: false }`
[INFO] [stdout] 56d9743eef6b29c28de829227a306479815e3b904881ea2024fba6f31682d894
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 524f46f6a01223e1f1e5a53b90935e92db5a99aac6616b937b6748af2704203f
[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" "524f46f6a01223e1f1e5a53b90935e92db5a99aac6616b937b6748af2704203f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]     Checking copyless v0.1.3
[INFO] [stderr]     Checking actix-service v0.4.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking socket2 v0.3.9
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking brotli-sys v0.3.2
[INFO] [stderr]     Checking miniz-sys v0.1.12
[INFO] [stderr]     Checking ring v0.14.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling actix-web-codegen v0.1.2
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking string v0.2.0
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking actix-codec v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking actix-utils v0.4.1
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking actix-server-config v0.1.1
[INFO] [stderr]     Checking h2 v0.1.23
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking trust-dns-proto v0.7.4
[INFO] [stderr]     Checking actix-threadpool v0.1.1
[INFO] [stderr]     Checking actix-rt v0.2.2
[INFO] [stderr]     Checking actix-server v0.5.1
[INFO] [stderr]     Checking trust-dns-resolver v0.11.1
[INFO] [stderr]     Checking actix-connect v0.2.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking actix-router v0.1.5
[INFO] [stderr]     Checking actix-http v0.2.3
[INFO] [stderr]     Checking awc v0.2.1
[INFO] [stderr]     Checking actix-web v1.0.0
[INFO] [stderr]  Documenting checkboxes-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.31s
[INFO] running `Command { std: "docker" "inspect" "524f46f6a01223e1f1e5a53b90935e92db5a99aac6616b937b6748af2704203f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "524f46f6a01223e1f1e5a53b90935e92db5a99aac6616b937b6748af2704203f", kill_on_drop: false }`
[INFO] [stdout] 524f46f6a01223e1f1e5a53b90935e92db5a99aac6616b937b6748af2704203f