[INFO] crate ledger-parser 3.0.0 is already in cache
[INFO] checking ledger-parser-3.0.0 against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] extracting crate ledger-parser 3.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ledger-parser 3.0.0 on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ledger-parser 3.0.0
[INFO] finished tweaking crates.io crate ledger-parser 3.0.0
[INFO] tweaked toml for crates.io crate ledger-parser 3.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 309cbf4b97680047f5a8d8e675b7e5baff08a04e88056ec067c46ffacb8a5a40
[INFO] running `"docker" "start" "-a" "309cbf4b97680047f5a8d8e675b7e5baff08a04e88056ec067c46ffacb8a5a40"`
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking rust_decimal v1.4.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking ledger-parser v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/parser.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     (c >= '0' && c <= '9')
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/parser.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     (c == ' ' || c == '\t')
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/parser.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     (c != '\r' && c != '\n')
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/parser.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     (c != '\r' && c != '\n' && c != ';')
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/parser.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     (c >= '0' && c <= '9')
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/parser.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     (c == ' ' || c == '\t')
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/parser.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     (c != '\r' && c != '\n')
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/parser.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     (c != '\r' && c != '\n' && c != ';')
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `"docker" "inspect" "309cbf4b97680047f5a8d8e675b7e5baff08a04e88056ec067c46ffacb8a5a40"`
[INFO] running `"docker" "rm" "-f" "309cbf4b97680047f5a8d8e675b7e5baff08a04e88056ec067c46ffacb8a5a40"`
[INFO] [stdout] 309cbf4b97680047f5a8d8e675b7e5baff08a04e88056ec067c46ffacb8a5a40