[INFO] cloning repository https://github.com/neerajbisht1987/hellocargo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neerajbisht1987/hellocargo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneerajbisht1987%2Fhellocargo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneerajbisht1987%2Fhellocargo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 898c0403c77f18e63b407329e244627069ced582
[INFO] documenting neerajbisht1987/hellocargo 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%2Fneerajbisht1987%2Fhellocargo" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neerajbisht1987/hellocargo 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/neerajbisht1987/hellocargo
[INFO] finished tweaking git repo https://github.com/neerajbisht1987/hellocargo
[INFO] tweaked toml for git repo https://github.com/neerajbisht1987/hellocargo written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/neerajbisht1987/hellocargo 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 32e169a5935f394e0a54ad99a0d37d02bec3b3c7d2f75989338aeea2fa57432b
[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" "32e169a5935f394e0a54ad99a0d37d02bec3b3c7d2f75989338aeea2fa57432b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32e169a5935f394e0a54ad99a0d37d02bec3b3c7d2f75989338aeea2fa57432b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32e169a5935f394e0a54ad99a0d37d02bec3b3c7d2f75989338aeea2fa57432b", kill_on_drop: false }`
[INFO] [stdout] 32e169a5935f394e0a54ad99a0d37d02bec3b3c7d2f75989338aeea2fa57432b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 316834784a4bfb3db68106be9a78255e0ec0c926347e6349be12d43a6a9daae4
[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" "316834784a4bfb3db68106be9a78255e0ec0c926347e6349be12d43a6a9daae4", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]  Documenting hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `item_list` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:98:6
[INFO] [stdout]    |
[INFO] [stdout] 98 | enum item_list {
[INFO] [stdout]    |      ^^^^^^^^^ help: convert the identifier to upper camel case: `ItemList`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `pair` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:99:2
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pair{x:u32,y:Box<item_list>},
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Pair`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `refCount` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 | struct refCount<T>
[INFO] [stdout]     |        ^^^^^^^^ help: convert the identifier to upper camel case: `RefCount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.74s
[INFO] running `Command { std: "docker" "inspect" "316834784a4bfb3db68106be9a78255e0ec0c926347e6349be12d43a6a9daae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "316834784a4bfb3db68106be9a78255e0ec0c926347e6349be12d43a6a9daae4", kill_on_drop: false }`
[INFO] [stdout] 316834784a4bfb3db68106be9a78255e0ec0c926347e6349be12d43a6a9daae4