[INFO] fetching crate ledger-parser 3.1.0...
[INFO] documenting ledger-parser-3.1.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate ledger-parser 3.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ledger-parser 3.1.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ledger-parser 3.1.0
[INFO] finished tweaking crates.io crate ledger-parser 3.1.0
[INFO] tweaked toml for crates.io crate ledger-parser 3.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f3fca33a165e9ea469ac6f335165feb01f533bbec0a4f6058495b0d01604d5f
[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" "6f3fca33a165e9ea469ac6f335165feb01f533bbec0a4f6058495b0d01604d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f3fca33a165e9ea469ac6f335165feb01f533bbec0a4f6058495b0d01604d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f3fca33a165e9ea469ac6f335165feb01f533bbec0a4f6058495b0d01604d5f", kill_on_drop: false }`
[INFO] [stdout] 6f3fca33a165e9ea469ac6f335165feb01f533bbec0a4f6058495b0d01604d5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58227d6e43a8bc94b144c2bb7d606c639d453a74e3fa1d62da6d1c33a2f6e790
[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" "58227d6e43a8bc94b144c2bb7d606c639d453a74e3fa1d62da6d1c33a2f6e790", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking rust_decimal v1.8.1
[INFO] [stderr]  Documenting ledger-parser v3.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/parser.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     (c >= '0' && c <= '9')
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/parser.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     (c == ' ' || c == '\t')
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/parser.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     (c != '\r' && c != '\n')
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/parser.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     (c != '\r' && c != '\n' && c != ';')
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.70s
[INFO] running `Command { std: "docker" "inspect" "58227d6e43a8bc94b144c2bb7d606c639d453a74e3fa1d62da6d1c33a2f6e790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58227d6e43a8bc94b144c2bb7d606c639d453a74e3fa1d62da6d1c33a2f6e790", kill_on_drop: false }`
[INFO] [stdout] 58227d6e43a8bc94b144c2bb7d606c639d453a74e3fa1d62da6d1c33a2f6e790
