[INFO] cloning repository https://github.com/Plesoun/rust_crawler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Plesoun/rust_crawler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPlesoun%2Frust_crawler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPlesoun%2Frust_crawler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b14be6338cebe175e2c3adfb58db9644db0d848
[INFO] documenting Plesoun/rust_crawler against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPlesoun%2Frust_crawler" "/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/Plesoun/rust_crawler on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Plesoun/rust_crawler
[INFO] finished tweaking git repo https://github.com/Plesoun/rust_crawler
[INFO] tweaked toml for git repo https://github.com/Plesoun/rust_crawler written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Plesoun/rust_crawler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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" "+1.47.0" "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] 14da8b1e420fb0790043dfabfb27ff721c9dfc915c1afaac71458c0f15f4cf33
[INFO] running `Command { std: "docker" "start" "-a" "14da8b1e420fb0790043dfabfb27ff721c9dfc915c1afaac71458c0f15f4cf33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14da8b1e420fb0790043dfabfb27ff721c9dfc915c1afaac71458c0f15f4cf33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14da8b1e420fb0790043dfabfb27ff721c9dfc915c1afaac71458c0f15f4cf33", kill_on_drop: false }`
[INFO] [stdout] 14da8b1e420fb0790043dfabfb27ff721c9dfc915c1afaac71458c0f15f4cf33
[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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e18986a0bfb77c454a56599a7420b64144cf35180f6f6f994bdf6ef60ad9540e
[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" "e18986a0bfb77c454a56599a7420b64144cf35180f6f6f994bdf6ef60ad9540e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.57
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling curl v0.4.30
[INFO] [stderr]    Compiling isahc v0.7.6
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking sluice v0.4.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling curl-sys v0.4.32+curl-7.70.0
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking blocking v0.4.6
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking surf v1.0.3
[INFO] [stderr]  Documenting crawler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found keyword `return`
[INFO] [stdout]   --> src/main.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 41 | ...   println!("Available flags: use -u to select url to crawl, use -h or -help to get this help message, use -d to specify depth (int) of the search")
[INFO] [stdout]    |                                                                                                                                                        - expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 42 | ...   return Err("help");
[INFO] [stdout]    |       ^^^^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `}`
[INFO] [stdout]   --> src/main.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         }
[INFO] [stdout]    |         ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `crawler`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name crawler src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-cdc8936aec6757cd.rmeta --extern html5ever=/opt/rustwide/target/debug/deps/libhtml5ever-f3c6032df20161ad.rmeta --extern surf=/opt/rustwide/target/debug/deps/libsurf-b9682e3d44f6ed22.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-24edc0e2123a0479.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "e18986a0bfb77c454a56599a7420b64144cf35180f6f6f994bdf6ef60ad9540e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e18986a0bfb77c454a56599a7420b64144cf35180f6f6f994bdf6ef60ad9540e", kill_on_drop: false }`
[INFO] [stdout] e18986a0bfb77c454a56599a7420b64144cf35180f6f6f994bdf6ef60ad9540e
