[INFO] cloning repository https://github.com/zvyn/hello-rust-osm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zvyn/hello-rust-osm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzvyn%2Fhello-rust-osm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzvyn%2Fhello-rust-osm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b19d2fe1eacf4e829f2cb9b76b576254f0b441c
[INFO] documenting zvyn/hello-rust-osm 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%2Fzvyn%2Fhello-rust-osm" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zvyn/hello-rust-osm 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/zvyn/hello-rust-osm
[INFO] finished tweaking git repo https://github.com/zvyn/hello-rust-osm
[INFO] tweaked toml for git repo https://github.com/zvyn/hello-rust-osm written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/zvyn/hello-rust-osm 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 4f5ed01d8b6c6a7e23aab7aa8697088f243dfb12871f92e1f4975b5fbbc098c7
[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" "4f5ed01d8b6c6a7e23aab7aa8697088f243dfb12871f92e1f4975b5fbbc098c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f5ed01d8b6c6a7e23aab7aa8697088f243dfb12871f92e1f4975b5fbbc098c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f5ed01d8b6c6a7e23aab7aa8697088f243dfb12871f92e1f4975b5fbbc098c7", kill_on_drop: false }`
[INFO] [stdout] 4f5ed01d8b6c6a7e23aab7aa8697088f243dfb12871f92e1f4975b5fbbc098c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 28ac720a23b25074c5099587770f0cc26e3d8b32800d5b4ac22ad4a849c9a2f6
[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" "28ac720a23b25074c5099587770f0cc26e3d8b32800d5b4ac22ad4a849c9a2f6", kill_on_drop: false }`
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]  Documenting hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/main.rs:12:37
[INFO] [stdout]    |
[INFO] [stdout] 12 |       static ref OSM_NODE_RE: Regex = (
[INFO] [stdout]    |  _____________________________________^
[INFO] [stdout] 13 | |         Regex::new(r#"id="(\d+)" lat="([0-9.]+)" lon="([0-9.]+)""#).unwrap()
[INFO] [stdout] 14 | |     );
[INFO] [stdout]    | |_____^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.20s
[INFO] running `Command { std: "docker" "inspect" "28ac720a23b25074c5099587770f0cc26e3d8b32800d5b4ac22ad4a849c9a2f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ac720a23b25074c5099587770f0cc26e3d8b32800d5b4ac22ad4a849c9a2f6", kill_on_drop: false }`
[INFO] [stdout] 28ac720a23b25074c5099587770f0cc26e3d8b32800d5b4ac22ad4a849c9a2f6