[INFO] fetching crate alchemy-macros 0.1.0...
[INFO] testing alchemy-macros-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate alchemy-macros 0.1.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate alchemy-macros 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec22e219d931cbb367ecad5a1a299bf4d11a29d7d5eecbe683d4f5a0f34f9631
[INFO] running `Command { std: "docker" "start" "-a" "ec22e219d931cbb367ecad5a1a299bf4d11a29d7d5eecbe683d4f5a0f34f9631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec22e219d931cbb367ecad5a1a299bf4d11a29d7d5eecbe683d4f5a0f34f9631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec22e219d931cbb367ecad5a1a299bf4d11a29d7d5eecbe683d4f5a0f34f9631", kill_on_drop: false }`
[INFO] [stdout] ec22e219d931cbb367ecad5a1a299bf4d11a29d7d5eecbe683d4f5a0f34f9631
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58eb30b98bfc461ed52670c0663c898dc6504f44b094d87d2c60db9197f24cb0
[INFO] running `Command { std: "docker" "start" "-a" "58eb30b98bfc461ed52670c0663c898dc6504f44b094d87d2c60db9197f24cb0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling procedural-masquerade v0.1.7
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling dtoa-short v0.3.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling docopt v1.1.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling lalrpop v0.16.3
[INFO] [stderr]    Compiling alchemy-styles v0.1.0
[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-b244c8cdd97aea1d/out/grammar.rs:4508:5
[INFO] [stdout]      |
[INFO] [stdout] 4508 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4508 -     (__0)
[INFO] [stdout] 4508 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4542:5
[INFO] [stdout]      |
[INFO] [stdout] 4542 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4542 -     (__0)
[INFO] [stdout] 4542 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4550:5
[INFO] [stdout]      |
[INFO] [stdout] 4550 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4550 -     (__0)
[INFO] [stdout] 4550 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4558:5
[INFO] [stdout]      |
[INFO] [stdout] 4558 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4558 -     (__0)
[INFO] [stdout] 4558 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4628:5
[INFO] [stdout]      |
[INFO] [stdout] 4628 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4628 -     (__0)
[INFO] [stdout] 4628 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4636:5
[INFO] [stdout]      |
[INFO] [stdout] 4636 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4636 -     (__0)
[INFO] [stdout] 4636 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4644:5
[INFO] [stdout]      |
[INFO] [stdout] 4644 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4644 -     (__0)
[INFO] [stdout] 4644 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4684:5
[INFO] [stdout]      |
[INFO] [stdout] 4684 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4684 -     (__0)
[INFO] [stdout] 4684 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4735:5
[INFO] [stdout]      |
[INFO] [stdout] 4735 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4735 -     (__0)
[INFO] [stdout] 4735 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4743:5
[INFO] [stdout]      |
[INFO] [stdout] 4743 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4743 -     (__0)
[INFO] [stdout] 4743 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4751:5
[INFO] [stdout]      |
[INFO] [stdout] 4751 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4751 -     (__0)
[INFO] [stdout] 4751 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4857:5
[INFO] [stdout]      |
[INFO] [stdout] 4857 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4857 -     (__0)
[INFO] [stdout] 4857 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4926:5
[INFO] [stdout]      |
[INFO] [stdout] 4926 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4926 -     (__0)
[INFO] [stdout] 4926 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4934:5
[INFO] [stdout]      |
[INFO] [stdout] 4934 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4934 -     (__0)
[INFO] [stdout] 4934 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4998:5
[INFO] [stdout]      |
[INFO] [stdout] 4998 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4998 -     (__0)
[INFO] [stdout] 4998 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5008:5
[INFO] [stdout]      |
[INFO] [stdout] 5008 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5008 -     (__0)
[INFO] [stdout] 5008 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5018:5
[INFO] [stdout]      |
[INFO] [stdout] 5018 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5018 -     (__0)
[INFO] [stdout] 5018 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5027:5
[INFO] [stdout]      |
[INFO] [stdout] 5027 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5027 -     (__0)
[INFO] [stdout] 5027 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5034:6
[INFO] [stdout]      |
[INFO] [stdout] 5034 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^                  ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5034 - ) -> (Option<Vec<Token>>)
[INFO] [stdout] 5034 + ) -> Option<Vec<Token>>
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5319:5
[INFO] [stdout]      |
[INFO] [stdout] 5319 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5319 -     (__0)
[INFO] [stdout] 5319 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5439:5
[INFO] [stdout]      |
[INFO] [stdout] 5439 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5439 -     (__0)
[INFO] [stdout] 5439 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5482:5
[INFO] [stdout]      |
[INFO] [stdout] 5482 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5482 -     (__0)
[INFO] [stdout] 5482 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:6562:6
[INFO] [stdout]      |
[INFO] [stdout] 6562 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^                  ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 6562 - ) -> (Option<Vec<Token>>)
[INFO] [stdout] 6562 + ) -> Option<Vec<Token>>
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:6579:6
[INFO] [stdout]      |
[INFO] [stdout] 6579 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^                  ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 6579 - ) -> (Option<Vec<Token>>)
[INFO] [stdout] 6579 + ) -> Option<Vec<Token>>
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.69s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: alchemy-styles v0.1.0, cssparser v0.25.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "58eb30b98bfc461ed52670c0663c898dc6504f44b094d87d2c60db9197f24cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58eb30b98bfc461ed52670c0663c898dc6504f44b094d87d2c60db9197f24cb0", kill_on_drop: false }`
[INFO] [stdout] 58eb30b98bfc461ed52670c0663c898dc6504f44b094d87d2c60db9197f24cb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bf4f5f4b10eb95c759ab4cdb45234e2aea2de0441370a03f3dac61bc7f25b6f
[INFO] running `Command { std: "docker" "start" "-a" "2bf4f5f4b10eb95c759ab4cdb45234e2aea2de0441370a03f3dac61bc7f25b6f", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4508:5
[INFO] [stdout]      |
[INFO] [stdout] 4508 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4508 -     (__0)
[INFO] [stdout] 4508 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[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-b244c8cdd97aea1d/out/grammar.rs:4542:5
[INFO] [stdout]      |
[INFO] [stdout] 4542 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4542 -     (__0)
[INFO] [stdout] 4542 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4550:5
[INFO] [stdout]      |
[INFO] [stdout] 4550 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4550 -     (__0)
[INFO] [stdout] 4550 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4558:5
[INFO] [stdout]      |
[INFO] [stdout] 4558 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4558 -     (__0)
[INFO] [stdout] 4558 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4628:5
[INFO] [stdout]      |
[INFO] [stdout] 4628 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4628 -     (__0)
[INFO] [stdout] 4628 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4636:5
[INFO] [stdout]      |
[INFO] [stdout] 4636 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4636 -     (__0)
[INFO] [stdout] 4636 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4644:5
[INFO] [stdout]      |
[INFO] [stdout] 4644 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4644 -     (__0)
[INFO] [stdout] 4644 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4684:5
[INFO] [stdout]      |
[INFO] [stdout] 4684 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4684 -     (__0)
[INFO] [stdout] 4684 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4735:5
[INFO] [stdout]      |
[INFO] [stdout] 4735 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4735 -     (__0)
[INFO] [stdout] 4735 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4743:5
[INFO] [stdout]      |
[INFO] [stdout] 4743 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4743 -     (__0)
[INFO] [stdout] 4743 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4751:5
[INFO] [stdout]      |
[INFO] [stdout] 4751 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4751 -     (__0)
[INFO] [stdout] 4751 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4857:5
[INFO] [stdout]      |
[INFO] [stdout] 4857 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4857 -     (__0)
[INFO] [stdout] 4857 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4926:5
[INFO] [stdout]      |
[INFO] [stdout] 4926 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4926 -     (__0)
[INFO] [stdout] 4926 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4934:5
[INFO] [stdout]      |
[INFO] [stdout] 4934 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4934 -     (__0)
[INFO] [stdout] 4934 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4998:5
[INFO] [stdout]      |
[INFO] [stdout] 4998 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4998 -     (__0)
[INFO] [stdout] 4998 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5008:5
[INFO] [stdout]      |
[INFO] [stdout] 5008 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5008 -     (__0)
[INFO] [stdout] 5008 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5018:5
[INFO] [stdout]      |
[INFO] [stdout] 5018 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5018 -     (__0)
[INFO] [stdout] 5018 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5027:5
[INFO] [stdout]      |
[INFO] [stdout] 5027 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5027 -     (__0)
[INFO] [stdout] 5027 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5034:6
[INFO] [stdout]      |
[INFO] [stdout] 5034 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^                  ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5034 - ) -> (Option<Vec<Token>>)
[INFO] [stdout] 5034 + ) -> Option<Vec<Token>>
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5319:5
[INFO] [stdout]      |
[INFO] [stdout] 5319 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5319 -     (__0)
[INFO] [stdout] 5319 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5439:5
[INFO] [stdout]      |
[INFO] [stdout] 5439 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5439 -     (__0)
[INFO] [stdout] 5439 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5482:5
[INFO] [stdout]      |
[INFO] [stdout] 5482 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5482 -     (__0)
[INFO] [stdout] 5482 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:6562:6
[INFO] [stdout]      |
[INFO] [stdout] 6562 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^                  ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 6562 - ) -> (Option<Vec<Token>>)
[INFO] [stdout] 6562 + ) -> Option<Vec<Token>>
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:6579:6
[INFO] [stdout]      |
[INFO] [stdout] 6579 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^                  ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 6579 - ) -> (Option<Vec<Token>>)
[INFO] [stdout] 6579 + ) -> Option<Vec<Token>>
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4508:5
[INFO] [stdout]      |
[INFO] [stdout] 4508 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4508 -     (__0)
[INFO] [stdout] 4508 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4542:5
[INFO] [stdout]      |
[INFO] [stdout] 4542 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4542 -     (__0)
[INFO] [stdout] 4542 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4550:5
[INFO] [stdout]      |
[INFO] [stdout] 4550 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4550 -     (__0)
[INFO] [stdout] 4550 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4558:5
[INFO] [stdout]      |
[INFO] [stdout] 4558 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4558 -     (__0)
[INFO] [stdout] 4558 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4628:5
[INFO] [stdout]      |
[INFO] [stdout] 4628 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4628 -     (__0)
[INFO] [stdout] 4628 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4636:5
[INFO] [stdout]      |
[INFO] [stdout] 4636 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4636 -     (__0)
[INFO] [stdout] 4636 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4644:5
[INFO] [stdout]      |
[INFO] [stdout] 4644 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4644 -     (__0)
[INFO] [stdout] 4644 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4684:5
[INFO] [stdout]      |
[INFO] [stdout] 4684 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4684 -     (__0)
[INFO] [stdout] 4684 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4735:5
[INFO] [stdout]      |
[INFO] [stdout] 4735 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4735 -     (__0)
[INFO] [stdout] 4735 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4743:5
[INFO] [stdout]      |
[INFO] [stdout] 4743 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4743 -     (__0)
[INFO] [stdout] 4743 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4751:5
[INFO] [stdout]      |
[INFO] [stdout] 4751 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4751 -     (__0)
[INFO] [stdout] 4751 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4857:5
[INFO] [stdout]      |
[INFO] [stdout] 4857 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4857 -     (__0)
[INFO] [stdout] 4857 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4926:5
[INFO] [stdout]      |
[INFO] [stdout] 4926 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4926 -     (__0)
[INFO] [stdout] 4926 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4934:5
[INFO] [stdout]      |
[INFO] [stdout] 4934 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4934 -     (__0)
[INFO] [stdout] 4934 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4998:5
[INFO] [stdout]      |
[INFO] [stdout] 4998 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4998 -     (__0)
[INFO] [stdout] 4998 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5008:5
[INFO] [stdout]      |
[INFO] [stdout] 5008 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5008 -     (__0)
[INFO] [stdout] 5008 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5018:5
[INFO] [stdout]      |
[INFO] [stdout] 5018 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5018 -     (__0)
[INFO] [stdout] 5018 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5027:5
[INFO] [stdout]      |
[INFO] [stdout] 5027 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5027 -     (__0)
[INFO] [stdout] 5027 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5034:6
[INFO] [stdout]      |
[INFO] [stdout] 5034 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^                  ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5034 - ) -> (Option<Vec<Token>>)
[INFO] [stdout] 5034 + ) -> Option<Vec<Token>>
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5319:5
[INFO] [stdout]      |
[INFO] [stdout] 5319 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5319 -     (__0)
[INFO] [stdout] 5319 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5439:5
[INFO] [stdout]      |
[INFO] [stdout] 5439 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5439 -     (__0)
[INFO] [stdout] 5439 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5482:5
[INFO] [stdout]      |
[INFO] [stdout] 5482 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5482 -     (__0)
[INFO] [stdout] 5482 +     __0
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:6562:6
[INFO] [stdout]      |
[INFO] [stdout] 6562 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^                  ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 6562 - ) -> (Option<Vec<Token>>)
[INFO] [stdout] 6562 + ) -> Option<Vec<Token>>
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:6579:6
[INFO] [stdout]      |
[INFO] [stdout] 6579 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^                  ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 6579 - ) -> (Option<Vec<Token>>)
[INFO] [stdout] 6579 + ) -> Option<Vec<Token>>
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: alchemy-styles v0.1.0, cssparser v0.25.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "2bf4f5f4b10eb95c759ab4cdb45234e2aea2de0441370a03f3dac61bc7f25b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf4f5f4b10eb95c759ab4cdb45234e2aea2de0441370a03f3dac61bc7f25b6f", kill_on_drop: false }`
[INFO] [stdout] 2bf4f5f4b10eb95c759ab4cdb45234e2aea2de0441370a03f3dac61bc7f25b6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02c15e7121eeb29bb8759a8d45c3fae3d89e65e3083f87a36b16256167c0e17c
[INFO] running `Command { std: "docker" "start" "-a" "02c15e7121eeb29bb8759a8d45c3fae3d89e65e3083f87a36b16256167c0e17c", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4508:5
[INFO] [stderr]      |
[INFO] [stderr] 4508 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4508 -     (__0)
[INFO] [stderr] 4508 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4542:5
[INFO] [stderr]      |
[INFO] [stderr] 4542 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4542 -     (__0)
[INFO] [stderr] 4542 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4550:5
[INFO] [stderr]      |
[INFO] [stderr] 4550 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4550 -     (__0)
[INFO] [stderr] 4550 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4558:5
[INFO] [stderr]      |
[INFO] [stderr] 4558 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4558 -     (__0)
[INFO] [stderr] 4558 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4628:5
[INFO] [stderr]      |
[INFO] [stderr] 4628 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4628 -     (__0)
[INFO] [stderr] 4628 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4636:5
[INFO] [stderr]      |
[INFO] [stderr] 4636 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4636 -     (__0)
[INFO] [stderr] 4636 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4644:5
[INFO] [stderr]      |
[INFO] [stderr] 4644 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4644 -     (__0)
[INFO] [stderr] 4644 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4684:5
[INFO] [stderr]      |
[INFO] [stderr] 4684 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4684 -     (__0)
[INFO] [stderr] 4684 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4735:5
[INFO] [stderr]      |
[INFO] [stderr] 4735 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4735 -     (__0)
[INFO] [stderr] 4735 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4743:5
[INFO] [stderr]      |
[INFO] [stderr] 4743 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4743 -     (__0)
[INFO] [stderr] 4743 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4751:5
[INFO] [stderr]      |
[INFO] [stderr] 4751 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4751 -     (__0)
[INFO] [stderr] 4751 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4857:5
[INFO] [stderr]      |
[INFO] [stderr] 4857 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4857 -     (__0)
[INFO] [stderr] 4857 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4926:5
[INFO] [stderr]      |
[INFO] [stderr] 4926 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4926 -     (__0)
[INFO] [stderr] 4926 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4934:5
[INFO] [stderr]      |
[INFO] [stderr] 4934 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4934 -     (__0)
[INFO] [stderr] 4934 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4998:5
[INFO] [stderr]      |
[INFO] [stderr] 4998 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4998 -     (__0)
[INFO] [stderr] 4998 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5008:5
[INFO] [stderr]      |
[INFO] [stderr] 5008 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 5008 -     (__0)
[INFO] [stderr] 5008 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5018:5
[INFO] [stderr]      |
[INFO] [stderr] 5018 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 5018 -     (__0)
[INFO] [stderr] 5018 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5027:5
[INFO] [stderr]      |
[INFO] [stderr] 5027 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 5027 -     (__0)
[INFO] [stderr] 5027 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5034:6
[INFO] [stderr]      |
[INFO] [stderr] 5034 | ) -> (Option<Vec<Token>>)
[INFO] [stderr]      |      ^                  ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 5034 - ) -> (Option<Vec<Token>>)
[INFO] [stderr] 5034 + ) -> Option<Vec<Token>>
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5319:5
[INFO] [stderr]      |
[INFO] [stderr] 5319 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 5319 -     (__0)
[INFO] [stderr] 5319 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5439:5
[INFO] [stderr]      |
[INFO] [stderr] 5439 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 5439 -     (__0)
[INFO] [stderr] 5439 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5482:5
[INFO] [stderr]      |
[INFO] [stderr] 5482 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 5482 -     (__0)
[INFO] [stderr] 5482 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:6562:6
[INFO] [stderr]      |
[INFO] [stderr] 6562 | ) -> (Option<Vec<Token>>)
[INFO] [stderr]      |      ^                  ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 6562 - ) -> (Option<Vec<Token>>)
[INFO] [stderr] 6562 + ) -> Option<Vec<Token>>
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:6579:6
[INFO] [stderr]      |
[INFO] [stderr] 6579 | ) -> (Option<Vec<Token>>)
[INFO] [stderr]      |      ^                  ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 6579 - ) -> (Option<Vec<Token>>)
[INFO] [stderr] 6579 + ) -> Option<Vec<Token>>
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: `alchemy-macros` (lib) generated 24 warnings
[INFO] [stderr] warning: `alchemy-macros` (lib test) generated 24 warnings (24 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: alchemy-styles v0.1.0, cssparser v0.25.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/alchemy_macros-6739c9809fe8cbec)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests alchemy-macros
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4508:5
[INFO] [stderr]      |
[INFO] [stderr] 4508 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4508 -     (__0)
[INFO] [stderr] 4508 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4542:5
[INFO] [stderr]      |
[INFO] [stderr] 4542 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4542 -     (__0)
[INFO] [stderr] 4542 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4550:5
[INFO] [stderr]      |
[INFO] [stderr] 4550 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4550 -     (__0)
[INFO] [stderr] 4550 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4558:5
[INFO] [stderr]      |
[INFO] [stderr] 4558 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4558 -     (__0)
[INFO] [stderr] 4558 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4628:5
[INFO] [stderr]      |
[INFO] [stderr] 4628 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4628 -     (__0)
[INFO] [stderr] 4628 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4636:5
[INFO] [stderr]      |
[INFO] [stderr] 4636 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4636 -     (__0)
[INFO] [stderr] 4636 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4644:5
[INFO] [stderr]      |
[INFO] [stderr] 4644 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4644 -     (__0)
[INFO] [stderr] 4644 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4684:5
[INFO] [stderr]      |
[INFO] [stderr] 4684 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4684 -     (__0)
[INFO] [stderr] 4684 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4735:5
[INFO] [stderr]      |
[INFO] [stderr] 4735 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4735 -     (__0)
[INFO] [stderr] 4735 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4743:5
[INFO] [stderr]      |
[INFO] [stderr] 4743 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4743 -     (__0)
[INFO] [stderr] 4743 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4751:5
[INFO] [stderr]      |
[INFO] [stderr] 4751 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4751 -     (__0)
[INFO] [stderr] 4751 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4857:5
[INFO] [stderr]      |
[INFO] [stderr] 4857 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4857 -     (__0)
[INFO] [stderr] 4857 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4926:5
[INFO] [stderr]      |
[INFO] [stderr] 4926 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4926 -     (__0)
[INFO] [stderr] 4926 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4934:5
[INFO] [stderr]      |
[INFO] [stderr] 4934 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4934 -     (__0)
[INFO] [stderr] 4934 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:4998:5
[INFO] [stderr]      |
[INFO] [stderr] 4998 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 4998 -     (__0)
[INFO] [stderr] 4998 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5008:5
[INFO] [stderr]      |
[INFO] [stderr] 5008 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 5008 -     (__0)
[INFO] [stderr] 5008 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5018:5
[INFO] [stderr]      |
[INFO] [stderr] 5018 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 5018 -     (__0)
[INFO] [stderr] 5018 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5027:5
[INFO] [stderr]      |
[INFO] [stderr] 5027 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 5027 -     (__0)
[INFO] [stderr] 5027 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5034:6
[INFO] [stderr]      |
[INFO] [stderr] 5034 | ) -> (Option<Vec<Token>>)
[INFO] [stderr]      |      ^                  ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 5034 - ) -> (Option<Vec<Token>>)
[INFO] [stderr] 5034 + ) -> Option<Vec<Token>>
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5319:5
[INFO] [stderr]      |
[INFO] [stderr] 5319 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 5319 -     (__0)
[INFO] [stderr] 5319 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5439:5
[INFO] [stderr]      |
[INFO] [stderr] 5439 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 5439 -     (__0)
[INFO] [stderr] 5439 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:5482:5
[INFO] [stderr]      |
[INFO] [stderr] 5482 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 5482 -     (__0)
[INFO] [stderr] 5482 +     __0
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:6562:6
[INFO] [stderr]      |
[INFO] [stderr] 6562 | ) -> (Option<Vec<Token>>)
[INFO] [stderr]      |      ^                  ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 6562 - ) -> (Option<Vec<Token>>)
[INFO] [stderr] 6562 + ) -> Option<Vec<Token>>
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-b244c8cdd97aea1d/out/grammar.rs:6579:6
[INFO] [stderr]      |
[INFO] [stderr] 6579 | ) -> (Option<Vec<Token>>)
[INFO] [stderr]      |      ^                  ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 6579 - ) -> (Option<Vec<Token>>)
[INFO] [stderr] 6579 + ) -> Option<Vec<Token>>
[INFO] [stderr]      | 
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "02c15e7121eeb29bb8759a8d45c3fae3d89e65e3083f87a36b16256167c0e17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02c15e7121eeb29bb8759a8d45c3fae3d89e65e3083f87a36b16256167c0e17c", kill_on_drop: false }`
[INFO] [stdout] 02c15e7121eeb29bb8759a8d45c3fae3d89e65e3083f87a36b16256167c0e17c