[INFO] cloning repository https://github.com/axel-kaliff/zuul
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/axel-kaliff/zuul" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxel-kaliff%2Fzuul", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxel-kaliff%2Fzuul'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 793066c10761e91789c2ba3d16f8f11fad3339d5
[INFO] documenting axel-kaliff/zuul 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%2Faxel-kaliff%2Fzuul" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/axel-kaliff/zuul 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/axel-kaliff/zuul
[INFO] finished tweaking git repo https://github.com/axel-kaliff/zuul
[INFO] tweaked toml for git repo https://github.com/axel-kaliff/zuul written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/axel-kaliff/zuul 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] d2d5d5d47a8974e322293a183b5ace2621d66480b872cf1b6cdf24b936f4bdb3
[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" "d2d5d5d47a8974e322293a183b5ace2621d66480b872cf1b6cdf24b936f4bdb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2d5d5d47a8974e322293a183b5ace2621d66480b872cf1b6cdf24b936f4bdb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d5d5d47a8974e322293a183b5ace2621d66480b872cf1b6cdf24b936f4bdb3", kill_on_drop: false }`
[INFO] [stdout] d2d5d5d47a8974e322293a183b5ace2621d66480b872cf1b6cdf24b936f4bdb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 65b508f089d3c1a91531dba8c71a45781879b8438d01f588068b584f68b54cda
[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" "65b508f089d3c1a91531dba8c71a45781879b8438d01f588068b584f68b54cda", kill_on_drop: false }`
[INFO] [stderr]  Documenting zuul v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `south` should have an upper camel case name
[INFO] [stdout]  --> src/direction.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     south,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `South`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `north` should have an upper camel case name
[INFO] [stdout]  --> src/direction.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     north,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `North`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `east` should have an upper camel case name
[INFO] [stdout]  --> src/direction.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     east,
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `East`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `west` should have an upper camel case name
[INFO] [stdout]  --> src/direction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     west
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `West`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "65b508f089d3c1a91531dba8c71a45781879b8438d01f588068b584f68b54cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65b508f089d3c1a91531dba8c71a45781879b8438d01f588068b584f68b54cda", kill_on_drop: false }`
[INFO] [stdout] 65b508f089d3c1a91531dba8c71a45781879b8438d01f588068b584f68b54cda