[INFO] fetching crate alchemy-macros 0.1.0...
[INFO] checking alchemy-macros-0.1.0 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate alchemy-macros 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate alchemy-macros 0.1.0 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alchemy-styles v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c9185a414e292fad5e8df8910e8cd5813472f1ee12ad44e2499a2a25d5187ca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3c9185a414e292fad5e8df8910e8cd5813472f1ee12ad44e2499a2a25d5187ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c9185a414e292fad5e8df8910e8cd5813472f1ee12ad44e2499a2a25d5187ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c9185a414e292fad5e8df8910e8cd5813472f1ee12ad44e2499a2a25d5187ca", kill_on_drop: false }`
[INFO] [stdout] 3c9185a414e292fad5e8df8910e8cd5813472f1ee12ad44e2499a2a25d5187ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4d48e6d77fa372ab8af8381fd6d5e30cd247311c1559a4965d713eef75e36a7f
[INFO] running `Command { std: "docker" "start" "-a" "4d48e6d77fa372ab8af8381fd6d5e30cd247311c1559a4965d713eef75e36a7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]    Compiling procedural-masquerade v0.1.7
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking dtoa-short v0.3.3
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[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 regex v1.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling docopt v1.1.1
[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] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4508:5
[INFO] [stdout]      |
[INFO] [stdout] 4508 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4542:5
[INFO] [stdout]      |
[INFO] [stdout] 4542 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4550:5
[INFO] [stdout]      |
[INFO] [stdout] 4550 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4558:5
[INFO] [stdout]      |
[INFO] [stdout] 4558 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4628:5
[INFO] [stdout]      |
[INFO] [stdout] 4628 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4636:5
[INFO] [stdout]      |
[INFO] [stdout] 4636 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4644:5
[INFO] [stdout]      |
[INFO] [stdout] 4644 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4684:5
[INFO] [stdout]      |
[INFO] [stdout] 4684 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4735:5
[INFO] [stdout]      |
[INFO] [stdout] 4735 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4743:5
[INFO] [stdout]      |
[INFO] [stdout] 4743 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4751:5
[INFO] [stdout]      |
[INFO] [stdout] 4751 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4857:5
[INFO] [stdout]      |
[INFO] [stdout] 4857 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4926:5
[INFO] [stdout]      |
[INFO] [stdout] 4926 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4934:5
[INFO] [stdout]      |
[INFO] [stdout] 4934 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4998:5
[INFO] [stdout]      |
[INFO] [stdout] 4998 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:5008:5
[INFO] [stdout]      |
[INFO] [stdout] 5008 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:5018:5
[INFO] [stdout]      |
[INFO] [stdout] 5018 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:5027:5
[INFO] [stdout]      |
[INFO] [stdout] 5027 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:5034:6
[INFO] [stdout]      |
[INFO] [stdout] 5034 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:5319:5
[INFO] [stdout]      |
[INFO] [stdout] 5319 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:5439:5
[INFO] [stdout]      |
[INFO] [stdout] 5439 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:5482:5
[INFO] [stdout]      |
[INFO] [stdout] 5482 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:6562:6
[INFO] [stdout]      |
[INFO] [stdout] 6562 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:6579:6
[INFO] [stdout]      |
[INFO] [stdout] 6579 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4508:5
[INFO] [stdout]      |
[INFO] [stdout] 4508 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4542:5
[INFO] [stdout]      |
[INFO] [stdout] 4542 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4550:5
[INFO] [stdout]      |
[INFO] [stdout] 4550 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4558:5
[INFO] [stdout]      |
[INFO] [stdout] 4558 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4628:5
[INFO] [stdout]      |
[INFO] [stdout] 4628 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4636:5
[INFO] [stdout]      |
[INFO] [stdout] 4636 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4644:5
[INFO] [stdout]      |
[INFO] [stdout] 4644 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4684:5
[INFO] [stdout]      |
[INFO] [stdout] 4684 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4735:5
[INFO] [stdout]      |
[INFO] [stdout] 4735 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4743:5
[INFO] [stdout]      |
[INFO] [stdout] 4743 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4751:5
[INFO] [stdout]      |
[INFO] [stdout] 4751 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4857:5
[INFO] [stdout]      |
[INFO] [stdout] 4857 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4926:5
[INFO] [stdout]      |
[INFO] [stdout] 4926 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4934:5
[INFO] [stdout]      |
[INFO] [stdout] 4934 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:4998:5
[INFO] [stdout]      |
[INFO] [stdout] 4998 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:5008:5
[INFO] [stdout]      |
[INFO] [stdout] 5008 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:5018:5
[INFO] [stdout]      |
[INFO] [stdout] 5018 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:5027:5
[INFO] [stdout]      |
[INFO] [stdout] 5027 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:5034:6
[INFO] [stdout]      |
[INFO] [stdout] 5034 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:5319:5
[INFO] [stdout]      |
[INFO] [stdout] 5319 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:5439:5
[INFO] [stdout]      |
[INFO] [stdout] 5439 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:5482:5
[INFO] [stdout]      |
[INFO] [stdout] 5482 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:6562:6
[INFO] [stdout]      |
[INFO] [stdout] 6562 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-72dfc2b01a1644a6/out/grammar.rs:6579:6
[INFO] [stdout]      |
[INFO] [stdout] 6579 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "4d48e6d77fa372ab8af8381fd6d5e30cd247311c1559a4965d713eef75e36a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d48e6d77fa372ab8af8381fd6d5e30cd247311c1559a4965d713eef75e36a7f", kill_on_drop: false }`
[INFO] [stdout] 4d48e6d77fa372ab8af8381fd6d5e30cd247311c1559a4965d713eef75e36a7f