[INFO] fetching crate sindra 0.1.0...
[INFO] documenting sindra-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate sindra 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sindra 0.1.0 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 crates.io crate sindra 0.1.0
[INFO] finished tweaking crates.io crate sindra 0.1.0
[INFO] tweaked toml for crates.io crate sindra 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wee-peg v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 00ecf889c5a63890f0ca051beb43bed7fa4ba8993f6fb06d4f98f50652f8022a
[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" "00ecf889c5a63890f0ca051beb43bed7fa4ba8993f6fb06d4f98f50652f8022a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00ecf889c5a63890f0ca051beb43bed7fa4ba8993f6fb06d4f98f50652f8022a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00ecf889c5a63890f0ca051beb43bed7fa4ba8993f6fb06d4f98f50652f8022a", kill_on_drop: false }`
[INFO] [stdout] 00ecf889c5a63890f0ca051beb43bed7fa4ba8993f6fb06d4f98f50652f8022a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 908721d8d2deb3f0c333291a997fcac3dff6f58e9df3974105f095b7945e9d18
[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" "908721d8d2deb3f0c333291a997fcac3dff6f58e9df3974105f095b7945e9d18", kill_on_drop: false }`
[INFO] [stderr]    Compiling codemap v0.1.3
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling codemap-diagnostic v0.1.1
[INFO] [stderr]    Compiling wee-peg v0.5.4
[INFO] [stderr]    Compiling sindra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting sindra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/rules/string.rs:14:43
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub static ref UNICODE_REGEX: Regex = { Regex::new(unicode_char_pattern!()).unwrap() };
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/rules/string.rs:31:42
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub static ref ESCAPE_REGEX: Regex = { Regex::new(escape_pattern!()).unwrap() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/rules/string.rs:54:42
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub static ref STRING_REGEX: Regex = { Regex::new(PTN_STRING).unwrap() };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for macro
[INFO] [stdout]   --> src/node.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | macro_rules! annotate {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:3:9
[INFO] [stdout]    |
[INFO] [stdout] 3  | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.21s
[INFO] running `Command { std: "docker" "inspect" "908721d8d2deb3f0c333291a997fcac3dff6f58e9df3974105f095b7945e9d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "908721d8d2deb3f0c333291a997fcac3dff6f58e9df3974105f095b7945e9d18", kill_on_drop: false }`
[INFO] [stdout] 908721d8d2deb3f0c333291a997fcac3dff6f58e9df3974105f095b7945e9d18