[INFO] cloning repository https://github.com/Vinicios13/image-comparator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vinicios13/image-comparator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVinicios13%2Fimage-comparator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVinicios13%2Fimage-comparator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f3deb30793e0125d01169bd68d869cba74f9f0c
[INFO] documenting Vinicios13/image-comparator 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%2FVinicios13%2Fimage-comparator" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Vinicios13/image-comparator 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/Vinicios13/image-comparator
[INFO] finished tweaking git repo https://github.com/Vinicios13/image-comparator
[INFO] tweaked toml for git repo https://github.com/Vinicios13/image-comparator written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Vinicios13/image-comparator 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 2fce9035b23512467ebbb1dfa1c3610fdbd8aa16ef255a1cc207f8ffede1e938
[INFO] running `Command { std: "docker" "start" "-a" "2fce9035b23512467ebbb1dfa1c3610fdbd8aa16ef255a1cc207f8ffede1e938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fce9035b23512467ebbb1dfa1c3610fdbd8aa16ef255a1cc207f8ffede1e938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fce9035b23512467ebbb1dfa1c3610fdbd8aa16ef255a1cc207f8ffede1e938", kill_on_drop: false }`
[INFO] [stdout] 2fce9035b23512467ebbb1dfa1c3610fdbd8aa16ef255a1cc207f8ffede1e938
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 28d07c860fc71bf23e934bc53a0a1532d494f394ee9bb7d0d2a6828120721f20
[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" "28d07c860fc71bf23e934bc53a0a1532d494f394ee9bb7d0d2a6828120721f20", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]     Checking safe-transmute v0.10.1
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]  Documenting image-comparator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.70s
[INFO] running `Command { std: "docker" "inspect" "28d07c860fc71bf23e934bc53a0a1532d494f394ee9bb7d0d2a6828120721f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d07c860fc71bf23e934bc53a0a1532d494f394ee9bb7d0d2a6828120721f20", kill_on_drop: false }`
[INFO] [stdout] 28d07c860fc71bf23e934bc53a0a1532d494f394ee9bb7d0d2a6828120721f20