[INFO] fetching crate alchemy-macros 0.1.0...
[INFO] checking alchemy-macros-0.1.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate alchemy-macros 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate alchemy-macros 0.1.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate alchemy-macros 0.1.0
[INFO] finished tweaking crates.io crate alchemy-macros 0.1.0
[INFO] tweaked toml for crates.io crate alchemy-macros 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] e5b5da418579abe8856155660df36ead765f6c31b51d69e026bd5e288f9d3a7f
[INFO] running `"docker" "start" "-a" "e5b5da418579abe8856155660df36ead765f6c31b51d69e026bd5e288f9d3a7f"`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling procedural-masquerade v0.1.6
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]     Checking alchemy-styles v0.1.0
[INFO] [stderr]    Compiling lalrpop v0.16.3
[INFO] [stderr]    Compiling alchemy-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4508:5
[INFO] [stderr]      |
[INFO] [stderr] 4508 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4542:5
[INFO] [stderr]      |
[INFO] [stderr] 4542 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4550:5
[INFO] [stderr]      |
[INFO] [stderr] 4550 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4558:5
[INFO] [stderr]      |
[INFO] [stderr] 4558 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4628:5
[INFO] [stderr]      |
[INFO] [stderr] 4628 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4636:5
[INFO] [stderr]      |
[INFO] [stderr] 4636 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4644:5
[INFO] [stderr]      |
[INFO] [stderr] 4644 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4684:5
[INFO] [stderr]      |
[INFO] [stderr] 4684 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4735:5
[INFO] [stderr]      |
[INFO] [stderr] 4735 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4743:5
[INFO] [stderr]      |
[INFO] [stderr] 4743 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4751:5
[INFO] [stderr]      |
[INFO] [stderr] 4751 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4857:5
[INFO] [stderr]      |
[INFO] [stderr] 4857 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4926:5
[INFO] [stderr]      |
[INFO] [stderr] 4926 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4934:5
[INFO] [stderr]      |
[INFO] [stderr] 4934 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4998:5
[INFO] [stderr]      |
[INFO] [stderr] 4998 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:5008:5
[INFO] [stderr]      |
[INFO] [stderr] 5008 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:5018:5
[INFO] [stderr]      |
[INFO] [stderr] 5018 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:5027:5
[INFO] [stderr]      |
[INFO] [stderr] 5027 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:5034:6
[INFO] [stderr]      |
[INFO] [stderr] 5034 | ) -> (Option<Vec<Token>>)
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:5319:5
[INFO] [stderr]      |
[INFO] [stderr] 5319 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:5439:5
[INFO] [stderr]      |
[INFO] [stderr] 5439 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:5482:5
[INFO] [stderr]      |
[INFO] [stderr] 5482 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:6562:6
[INFO] [stderr]      |
[INFO] [stderr] 6562 | ) -> (Option<Vec<Token>>)
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:6579:6
[INFO] [stderr]      |
[INFO] [stderr] 6579 | ) -> (Option<Vec<Token>>)
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4508:5
[INFO] [stderr]      |
[INFO] [stderr] 4508 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4542:5
[INFO] [stderr]      |
[INFO] [stderr] 4542 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4550:5
[INFO] [stderr]      |
[INFO] [stderr] 4550 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4558:5
[INFO] [stderr]      |
[INFO] [stderr] 4558 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4628:5
[INFO] [stderr]      |
[INFO] [stderr] 4628 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4636:5
[INFO] [stderr]      |
[INFO] [stderr] 4636 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4644:5
[INFO] [stderr]      |
[INFO] [stderr] 4644 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4684:5
[INFO] [stderr]      |
[INFO] [stderr] 4684 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4735:5
[INFO] [stderr]      |
[INFO] [stderr] 4735 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4743:5
[INFO] [stderr]      |
[INFO] [stderr] 4743 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4751:5
[INFO] [stderr]      |
[INFO] [stderr] 4751 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4857:5
[INFO] [stderr]      |
[INFO] [stderr] 4857 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4926:5
[INFO] [stderr]      |
[INFO] [stderr] 4926 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4934:5
[INFO] [stderr]      |
[INFO] [stderr] 4934 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:4998:5
[INFO] [stderr]      |
[INFO] [stderr] 4998 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:5008:5
[INFO] [stderr]      |
[INFO] [stderr] 5008 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:5018:5
[INFO] [stderr]      |
[INFO] [stderr] 5018 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:5027:5
[INFO] [stderr]      |
[INFO] [stderr] 5027 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:5034:6
[INFO] [stderr]      |
[INFO] [stderr] 5034 | ) -> (Option<Vec<Token>>)
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:5319:5
[INFO] [stderr]      |
[INFO] [stderr] 5319 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:5439:5
[INFO] [stderr]      |
[INFO] [stderr] 5439 |     (__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/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:5482:5
[INFO] [stderr]      |
[INFO] [stderr] 5482 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:6562:6
[INFO] [stderr]      |
[INFO] [stderr] 6562 | ) -> (Option<Vec<Token>>)
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-1bcd9175bb47a3ce/out/grammar.rs:6579:6
[INFO] [stderr]      |
[INFO] [stderr] 6579 | ) -> (Option<Vec<Token>>)
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 00s
[INFO] running `"docker" "inspect" "e5b5da418579abe8856155660df36ead765f6c31b51d69e026bd5e288f9d3a7f"`
[INFO] running `"docker" "rm" "-f" "e5b5da418579abe8856155660df36ead765f6c31b51d69e026bd5e288f9d3a7f"`
[INFO] [stdout] e5b5da418579abe8856155660df36ead765f6c31b51d69e026bd5e288f9d3a7f