[INFO] crate python-syntax 0.1.0 is already in cache
[INFO] checking python-syntax-0.1.0 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate python-syntax 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate python-syntax 0.1.0 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate python-syntax 0.1.0
[INFO] finished tweaking crates.io crate python-syntax 0.1.0
[INFO] tweaked toml for crates.io crate python-syntax 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] 0f8e944a2a2cbb990f3987b81e8ec8b9a7f9b123c8c13d19155a42797d86ecfa
[INFO] running `"docker" "start" "-a" "0f8e944a2a2cbb990f3987b81e8ec8b9a7f9b123c8c13d19155a42797d86ecfa"`
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]     Checking unicode_names2 v0.2.2
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling python-syntax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:28902:5
[INFO] [stderr]       |
[INFO] [stderr] 28902 |     (__0)
[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]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:28986:5
[INFO] [stderr]       |
[INFO] [stderr] 28986 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29048:5
[INFO] [stderr]       |
[INFO] [stderr] 29048 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29056:5
[INFO] [stderr]       |
[INFO] [stderr] 29056 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29064:5
[INFO] [stderr]       |
[INFO] [stderr] 29064 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29154:5
[INFO] [stderr]       |
[INFO] [stderr] 29154 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29162:5
[INFO] [stderr]       |
[INFO] [stderr] 29162 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29187:5
[INFO] [stderr]       |
[INFO] [stderr] 29187 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29205:5
[INFO] [stderr]       |
[INFO] [stderr] 29205 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29213:5
[INFO] [stderr]       |
[INFO] [stderr] 29213 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29221:5
[INFO] [stderr]       |
[INFO] [stderr] 29221 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29229:5
[INFO] [stderr]       |
[INFO] [stderr] 29229 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29237:5
[INFO] [stderr]       |
[INFO] [stderr] 29237 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29245:5
[INFO] [stderr]       |
[INFO] [stderr] 29245 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29253:5
[INFO] [stderr]       |
[INFO] [stderr] 29253 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29261:5
[INFO] [stderr]       |
[INFO] [stderr] 29261 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29269:5
[INFO] [stderr]       |
[INFO] [stderr] 29269 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29461:5
[INFO] [stderr]       |
[INFO] [stderr] 29461 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29469:5
[INFO] [stderr]       |
[INFO] [stderr] 29469 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29506:5
[INFO] [stderr]       |
[INFO] [stderr] 29506 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29514:5
[INFO] [stderr]       |
[INFO] [stderr] 29514 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29522:5
[INFO] [stderr]       |
[INFO] [stderr] 29522 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29530:5
[INFO] [stderr]       |
[INFO] [stderr] 29530 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29538:5
[INFO] [stderr]       |
[INFO] [stderr] 29538 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29635:5
[INFO] [stderr]       |
[INFO] [stderr] 29635 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29643:5
[INFO] [stderr]       |
[INFO] [stderr] 29643 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29738:5
[INFO] [stderr]       |
[INFO] [stderr] 29738 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29746:5
[INFO] [stderr]       |
[INFO] [stderr] 29746 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29783:5
[INFO] [stderr]       |
[INFO] [stderr] 29783 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29791:5
[INFO] [stderr]       |
[INFO] [stderr] 29791 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29857:5
[INFO] [stderr]       |
[INFO] [stderr] 29857 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29865:5
[INFO] [stderr]       |
[INFO] [stderr] 29865 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29873:5
[INFO] [stderr]       |
[INFO] [stderr] 29873 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29881:5
[INFO] [stderr]       |
[INFO] [stderr] 29881 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29889:5
[INFO] [stderr]       |
[INFO] [stderr] 29889 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29897:5
[INFO] [stderr]       |
[INFO] [stderr] 29897 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29905:5
[INFO] [stderr]       |
[INFO] [stderr] 29905 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29913:5
[INFO] [stderr]       |
[INFO] [stderr] 29913 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29921:5
[INFO] [stderr]       |
[INFO] [stderr] 29921 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29929:5
[INFO] [stderr]       |
[INFO] [stderr] 29929 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30027:5
[INFO] [stderr]       |
[INFO] [stderr] 30027 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30246:5
[INFO] [stderr]       |
[INFO] [stderr] 30246 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30265:5
[INFO] [stderr]       |
[INFO] [stderr] 30265 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30273:5
[INFO] [stderr]       |
[INFO] [stderr] 30273 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30281:5
[INFO] [stderr]       |
[INFO] [stderr] 30281 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30310:5
[INFO] [stderr]       |
[INFO] [stderr] 30310 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30318:5
[INFO] [stderr]       |
[INFO] [stderr] 30318 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30342:5
[INFO] [stderr]       |
[INFO] [stderr] 30342 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30350:5
[INFO] [stderr]       |
[INFO] [stderr] 30350 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30375:5
[INFO] [stderr]       |
[INFO] [stderr] 30375 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30512:5
[INFO] [stderr]       |
[INFO] [stderr] 30512 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30528:5
[INFO] [stderr]       |
[INFO] [stderr] 30528 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30544:5
[INFO] [stderr]       |
[INFO] [stderr] 30544 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30568:5
[INFO] [stderr]       |
[INFO] [stderr] 30568 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30592:5
[INFO] [stderr]       |
[INFO] [stderr] 30592 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30640:5
[INFO] [stderr]       |
[INFO] [stderr] 30640 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30689:5
[INFO] [stderr]       |
[INFO] [stderr] 30689 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30798:5
[INFO] [stderr]       |
[INFO] [stderr] 30798 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30834:5
[INFO] [stderr]       |
[INFO] [stderr] 30834 |     { (Some(__0), None) }
[INFO] [stderr]       |     ^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]       |
[INFO] [stderr]       = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30873:5
[INFO] [stderr]       |
[INFO] [stderr] 30873 |     { (None, Some(ast::Keyword { arg: None, value: Box::new(__0) })) }
[INFO] [stderr]       |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30953:5
[INFO] [stderr]       |
[INFO] [stderr] 30953 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30963:5
[INFO] [stderr]       |
[INFO] [stderr] 30963 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31294:5
[INFO] [stderr]       |
[INFO] [stderr] 31294 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31302:5
[INFO] [stderr]       |
[INFO] [stderr] 31302 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31310:5
[INFO] [stderr]       |
[INFO] [stderr] 31310 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31318:5
[INFO] [stderr]       |
[INFO] [stderr] 31318 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31326:5
[INFO] [stderr]       |
[INFO] [stderr] 31326 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31334:5
[INFO] [stderr]       |
[INFO] [stderr] 31334 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31342:5
[INFO] [stderr]       |
[INFO] [stderr] 31342 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31453:5
[INFO] [stderr]       |
[INFO] [stderr] 31453 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31546:5
[INFO] [stderr]       |
[INFO] [stderr] 31546 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31571:5
[INFO] [stderr]       |
[INFO] [stderr] 31571 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31614:5
[INFO] [stderr]       |
[INFO] [stderr] 31614 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31640:5
[INFO] [stderr]       |
[INFO] [stderr] 31640 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31648:5
[INFO] [stderr]       |
[INFO] [stderr] 31648 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31691:5
[INFO] [stderr]       |
[INFO] [stderr] 31691 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31959:5
[INFO] [stderr]       |
[INFO] [stderr] 31959 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31985:5
[INFO] [stderr]       |
[INFO] [stderr] 31985 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31993:5
[INFO] [stderr]       |
[INFO] [stderr] 31993 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32054:5
[INFO] [stderr]       |
[INFO] [stderr] 32054 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32081:5
[INFO] [stderr]       |
[INFO] [stderr] 32081 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32124:5
[INFO] [stderr]       |
[INFO] [stderr] 32124 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32132:5
[INFO] [stderr]       |
[INFO] [stderr] 32132 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32149:5
[INFO] [stderr]       |
[INFO] [stderr] 32149 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32157:5
[INFO] [stderr]       |
[INFO] [stderr] 32157 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32183:5
[INFO] [stderr]       |
[INFO] [stderr] 32183 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32276:5
[INFO] [stderr]       |
[INFO] [stderr] 32276 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32302:5
[INFO] [stderr]       |
[INFO] [stderr] 32302 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32328:5
[INFO] [stderr]       |
[INFO] [stderr] 32328 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32380:5
[INFO] [stderr]       |
[INFO] [stderr] 32380 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32403:5
[INFO] [stderr]       |
[INFO] [stderr] 32403 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32426:5
[INFO] [stderr]       |
[INFO] [stderr] 32426 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32452:5
[INFO] [stderr]       |
[INFO] [stderr] 32452 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32547:5
[INFO] [stderr]       |
[INFO] [stderr] 32547 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32624:5
[INFO] [stderr]       |
[INFO] [stderr] 32624 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32677:5
[INFO] [stderr]       |
[INFO] [stderr] 32677 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32685:5
[INFO] [stderr]       |
[INFO] [stderr] 32685 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32693:5
[INFO] [stderr]       |
[INFO] [stderr] 32693 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32719:5
[INFO] [stderr]       |
[INFO] [stderr] 32719 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32772:5
[INFO] [stderr]       |
[INFO] [stderr] 32772 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32780:5
[INFO] [stderr]       |
[INFO] [stderr] 32780 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32788:5
[INFO] [stderr]       |
[INFO] [stderr] 32788 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32814:5
[INFO] [stderr]       |
[INFO] [stderr] 32814 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32867:5
[INFO] [stderr]       |
[INFO] [stderr] 32867 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33214:5
[INFO] [stderr]       |
[INFO] [stderr] 33214 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33257:5
[INFO] [stderr]       |
[INFO] [stderr] 33257 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33334:5
[INFO] [stderr]       |
[INFO] [stderr] 33334 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33360:5
[INFO] [stderr]       |
[INFO] [stderr] 33360 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33522:5
[INFO] [stderr]       |
[INFO] [stderr] 33522 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33548:5
[INFO] [stderr]       |
[INFO] [stderr] 33548 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33591:5
[INFO] [stderr]       |
[INFO] [stderr] 33591 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33617:5
[INFO] [stderr]       |
[INFO] [stderr] 33617 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33704:5
[INFO] [stderr]       |
[INFO] [stderr] 33704 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33748:5
[INFO] [stderr]       |
[INFO] [stderr] 33748 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33836:5
[INFO] [stderr]       |
[INFO] [stderr] 33836 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33880:5
[INFO] [stderr]       |
[INFO] [stderr] 33880 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33924:5
[INFO] [stderr]       |
[INFO] [stderr] 33924 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33950:5
[INFO] [stderr]       |
[INFO] [stderr] 33950 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:28902:5
[INFO] [stderr]       |
[INFO] [stderr] 28902 |     (__0)
[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]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:28986:5
[INFO] [stderr]       |
[INFO] [stderr] 28986 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29048:5
[INFO] [stderr]       |
[INFO] [stderr] 29048 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29056:5
[INFO] [stderr]       |
[INFO] [stderr] 29056 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29064:5
[INFO] [stderr]       |
[INFO] [stderr] 29064 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29154:5
[INFO] [stderr]       |
[INFO] [stderr] 29154 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29162:5
[INFO] [stderr]       |
[INFO] [stderr] 29162 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29187:5
[INFO] [stderr]       |
[INFO] [stderr] 29187 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29205:5
[INFO] [stderr]       |
[INFO] [stderr] 29205 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29213:5
[INFO] [stderr]       |
[INFO] [stderr] 29213 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29221:5
[INFO] [stderr]       |
[INFO] [stderr] 29221 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29229:5
[INFO] [stderr]       |
[INFO] [stderr] 29229 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29237:5
[INFO] [stderr]       |
[INFO] [stderr] 29237 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29245:5
[INFO] [stderr]       |
[INFO] [stderr] 29245 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29253:5
[INFO] [stderr]       |
[INFO] [stderr] 29253 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29261:5
[INFO] [stderr]       |
[INFO] [stderr] 29261 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29269:5
[INFO] [stderr]       |
[INFO] [stderr] 29269 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29461:5
[INFO] [stderr]       |
[INFO] [stderr] 29461 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29469:5
[INFO] [stderr]       |
[INFO] [stderr] 29469 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29506:5
[INFO] [stderr]       |
[INFO] [stderr] 29506 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29514:5
[INFO] [stderr]       |
[INFO] [stderr] 29514 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29522:5
[INFO] [stderr]       |
[INFO] [stderr] 29522 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29530:5
[INFO] [stderr]       |
[INFO] [stderr] 29530 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29538:5
[INFO] [stderr]       |
[INFO] [stderr] 29538 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29635:5
[INFO] [stderr]       |
[INFO] [stderr] 29635 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29643:5
[INFO] [stderr]       |
[INFO] [stderr] 29643 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29738:5
[INFO] [stderr]       |
[INFO] [stderr] 29738 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29746:5
[INFO] [stderr]       |
[INFO] [stderr] 29746 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29783:5
[INFO] [stderr]       |
[INFO] [stderr] 29783 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29791:5
[INFO] [stderr]       |
[INFO] [stderr] 29791 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29857:5
[INFO] [stderr]       |
[INFO] [stderr] 29857 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29865:5
[INFO] [stderr]       |
[INFO] [stderr] 29865 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29873:5
[INFO] [stderr]       |
[INFO] [stderr] 29873 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29881:5
[INFO] [stderr]       |
[INFO] [stderr] 29881 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29889:5
[INFO] [stderr]       |
[INFO] [stderr] 29889 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29897:5
[INFO] [stderr]       |
[INFO] [stderr] 29897 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29905:5
[INFO] [stderr]       |
[INFO] [stderr] 29905 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29913:5
[INFO] [stderr]       |
[INFO] [stderr] 29913 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29921:5
[INFO] [stderr]       |
[INFO] [stderr] 29921 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:29929:5
[INFO] [stderr]       |
[INFO] [stderr] 29929 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30027:5
[INFO] [stderr]       |
[INFO] [stderr] 30027 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30246:5
[INFO] [stderr]       |
[INFO] [stderr] 30246 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30265:5
[INFO] [stderr]       |
[INFO] [stderr] 30265 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30273:5
[INFO] [stderr]       |
[INFO] [stderr] 30273 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30281:5
[INFO] [stderr]       |
[INFO] [stderr] 30281 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30310:5
[INFO] [stderr]       |
[INFO] [stderr] 30310 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30318:5
[INFO] [stderr]       |
[INFO] [stderr] 30318 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30342:5
[INFO] [stderr]       |
[INFO] [stderr] 30342 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30350:5
[INFO] [stderr]       |
[INFO] [stderr] 30350 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30375:5
[INFO] [stderr]       |
[INFO] [stderr] 30375 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30512:5
[INFO] [stderr]       |
[INFO] [stderr] 30512 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30528:5
[INFO] [stderr]       |
[INFO] [stderr] 30528 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30544:5
[INFO] [stderr]       |
[INFO] [stderr] 30544 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30568:5
[INFO] [stderr]       |
[INFO] [stderr] 30568 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30592:5
[INFO] [stderr]       |
[INFO] [stderr] 30592 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30640:5
[INFO] [stderr]       |
[INFO] [stderr] 30640 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30689:5
[INFO] [stderr]       |
[INFO] [stderr] 30689 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30798:5
[INFO] [stderr]       |
[INFO] [stderr] 30798 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30834:5
[INFO] [stderr]       |
[INFO] [stderr] 30834 |     { (Some(__0), None) }
[INFO] [stderr]       |     ^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]       |
[INFO] [stderr]       = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30873:5
[INFO] [stderr]       |
[INFO] [stderr] 30873 |     { (None, Some(ast::Keyword { arg: None, value: Box::new(__0) })) }
[INFO] [stderr]       |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30953:5
[INFO] [stderr]       |
[INFO] [stderr] 30953 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:30963:5
[INFO] [stderr]       |
[INFO] [stderr] 30963 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31294:5
[INFO] [stderr]       |
[INFO] [stderr] 31294 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31302:5
[INFO] [stderr]       |
[INFO] [stderr] 31302 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31310:5
[INFO] [stderr]       |
[INFO] [stderr] 31310 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31318:5
[INFO] [stderr]       |
[INFO] [stderr] 31318 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31326:5
[INFO] [stderr]       |
[INFO] [stderr] 31326 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31334:5
[INFO] [stderr]       |
[INFO] [stderr] 31334 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31342:5
[INFO] [stderr]       |
[INFO] [stderr] 31342 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31453:5
[INFO] [stderr]       |
[INFO] [stderr] 31453 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31546:5
[INFO] [stderr]       |
[INFO] [stderr] 31546 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31571:5
[INFO] [stderr]       |
[INFO] [stderr] 31571 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31614:5
[INFO] [stderr]       |
[INFO] [stderr] 31614 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31640:5
[INFO] [stderr]       |
[INFO] [stderr] 31640 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31648:5
[INFO] [stderr]       |
[INFO] [stderr] 31648 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31691:5
[INFO] [stderr]       |
[INFO] [stderr] 31691 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31959:5
[INFO] [stderr]       |
[INFO] [stderr] 31959 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31985:5
[INFO] [stderr]       |
[INFO] [stderr] 31985 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:31993:5
[INFO] [stderr]       |
[INFO] [stderr] 31993 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32054:5
[INFO] [stderr]       |
[INFO] [stderr] 32054 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32081:5
[INFO] [stderr]       |
[INFO] [stderr] 32081 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32124:5
[INFO] [stderr]       |
[INFO] [stderr] 32124 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32132:5
[INFO] [stderr]       |
[INFO] [stderr] 32132 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32149:5
[INFO] [stderr]       |
[INFO] [stderr] 32149 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32157:5
[INFO] [stderr]       |
[INFO] [stderr] 32157 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32183:5
[INFO] [stderr]       |
[INFO] [stderr] 32183 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32276:5
[INFO] [stderr]       |
[INFO] [stderr] 32276 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32302:5
[INFO] [stderr]       |
[INFO] [stderr] 32302 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32328:5
[INFO] [stderr]       |
[INFO] [stderr] 32328 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32380:5
[INFO] [stderr]       |
[INFO] [stderr] 32380 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32403:5
[INFO] [stderr]       |
[INFO] [stderr] 32403 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32426:5
[INFO] [stderr]       |
[INFO] [stderr] 32426 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32452:5
[INFO] [stderr]       |
[INFO] [stderr] 32452 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32547:5
[INFO] [stderr]       |
[INFO] [stderr] 32547 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32624:5
[INFO] [stderr]       |
[INFO] [stderr] 32624 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32677:5
[INFO] [stderr]       |
[INFO] [stderr] 32677 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32685:5
[INFO] [stderr]       |
[INFO] [stderr] 32685 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32693:5
[INFO] [stderr]       |
[INFO] [stderr] 32693 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32719:5
[INFO] [stderr]       |
[INFO] [stderr] 32719 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32772:5
[INFO] [stderr]       |
[INFO] [stderr] 32772 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32780:5
[INFO] [stderr]       |
[INFO] [stderr] 32780 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32788:5
[INFO] [stderr]       |
[INFO] [stderr] 32788 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32814:5
[INFO] [stderr]       |
[INFO] [stderr] 32814 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:32867:5
[INFO] [stderr]       |
[INFO] [stderr] 32867 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33214:5
[INFO] [stderr]       |
[INFO] [stderr] 33214 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33257:5
[INFO] [stderr]       |
[INFO] [stderr] 33257 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33334:5
[INFO] [stderr]       |
[INFO] [stderr] 33334 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33360:5
[INFO] [stderr]       |
[INFO] [stderr] 33360 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33522:5
[INFO] [stderr]       |
[INFO] [stderr] 33522 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33548:5
[INFO] [stderr]       |
[INFO] [stderr] 33548 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33591:5
[INFO] [stderr]       |
[INFO] [stderr] 33591 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33617:5
[INFO] [stderr]       |
[INFO] [stderr] 33617 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33704:5
[INFO] [stderr]       |
[INFO] [stderr] 33704 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33748:5
[INFO] [stderr]       |
[INFO] [stderr] 33748 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33836:5
[INFO] [stderr]       |
[INFO] [stderr] 33836 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33880:5
[INFO] [stderr]       |
[INFO] [stderr] 33880 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33924:5
[INFO] [stderr]       |
[INFO] [stderr] 33924 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/python-syntax-426520e0242a4471/out/grammar.rs:33950:5
[INFO] [stderr]       |
[INFO] [stderr] 33950 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 58s
[INFO] running `"docker" "inspect" "0f8e944a2a2cbb990f3987b81e8ec8b9a7f9b123c8c13d19155a42797d86ecfa"`
[INFO] running `"docker" "rm" "-f" "0f8e944a2a2cbb990f3987b81e8ec8b9a7f9b123c8c13d19155a42797d86ecfa"`
[INFO] [stdout] 0f8e944a2a2cbb990f3987b81e8ec8b9a7f9b123c8c13d19155a42797d86ecfa
