[INFO] fetching crate alchemy-macros 0.1.0...
[INFO] checking alchemy-macros-0.1.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate alchemy-macros 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate alchemy-macros 0.1.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "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-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf_codegen v0.7.24
[INFO] [stderr]   Downloaded siphasher v0.2.3
[INFO] [stderr]   Downloaded string_cache_shared v0.3.0
[INFO] [stderr]   Downloaded phf v0.7.24
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[INFO] [stderr]   Downloaded lalrpop-util v0.16.3
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[INFO] [stderr]   Downloaded phf_shared v0.7.24
[INFO] [stderr]   Downloaded cssparser-macros v0.3.6
[INFO] [stderr]   Downloaded generic-array v0.12.4
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[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded docopt v1.1.1
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[INFO] [stderr]   Downloaded cssparser v0.25.9
[INFO] [stderr]   Downloaded itertools v0.8.2
[INFO] [stderr]   Downloaded petgraph v0.4.13
[INFO] [stderr]   Downloaded lalrpop v0.16.3
[INFO] [stderr]   Downloaded sha2 v0.8.2
[INFO] [stderr]   Downloaded ascii-canvas v1.0.0
[INFO] [stderr]   Downloaded ena v0.11.0
[INFO] [stderr]   Downloaded dtoa v1.0.9
[INFO] [stderr]   Downloaded fixedbitset v0.1.9
[INFO] [stderr]   Downloaded string_cache v0.7.5
[INFO] [stderr]   Downloaded alchemy-styles v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23fb3b95534dc000cebfdb50d7dc619837a9639f2fbf0862e5f737dd6ad6c2cf
[INFO] running `Command { std: "docker" "start" "-a" "23fb3b95534dc000cebfdb50d7dc619837a9639f2fbf0862e5f737dd6ad6c2cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23fb3b95534dc000cebfdb50d7dc619837a9639f2fbf0862e5f737dd6ad6c2cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23fb3b95534dc000cebfdb50d7dc619837a9639f2fbf0862e5f737dd6ad6c2cf", kill_on_drop: false }`
[INFO] [stdout] 23fb3b95534dc000cebfdb50d7dc619837a9639f2fbf0862e5f737dd6ad6c2cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b77fbd0c2f52c79f136b903939ee63cacf7f9e19e26b19f403c4cf2ddca2839
[INFO] running `Command { std: "docker" "start" "-a" "3b77fbd0c2f52c79f136b903939ee63cacf7f9e19e26b19f403c4cf2ddca2839", kill_on_drop: false }`
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[INFO] [stderr]    Compiling itertools v0.8.2
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[INFO] [stderr]     Checking smallvec v0.6.14
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[INFO] [stderr]    Compiling version_check v0.1.5
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[INFO] [stderr]     Checking ansi_term v0.11.0
[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 serde_derive v1.0.197
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]    Compiling docopt v1.1.1
[INFO] [stderr]    Compiling lalrpop v0.16.3
[INFO] [stderr]     Checking 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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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 block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-aa50e11967a5f354/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 type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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-aa50e11967a5f354/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 block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-aa50e11967a5f354/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 type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-aa50e11967a5f354/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-aa50e11967a5f354/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 block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-aa50e11967a5f354/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 type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-aa50e11967a5f354/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 block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-aa50e11967a5f354/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 type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-aa50e11967a5f354/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: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-aa50e11967a5f354/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: the item `proc_macro` is imported redundantly
[INFO] [stdout]   --> src/span.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use proc_macro;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `proc_macro` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate proc_macro;
[INFO] [stdout]    | ------------------------ the item `proc_macro` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-aa50e11967a5f354/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: the item `proc_macro2` is imported redundantly
[INFO] [stdout]  --> src/span.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use proc_macro2;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `proc_macro2` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-aa50e11967a5f354/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: the item `proc_macro` is imported redundantly
[INFO] [stdout]   --> src/span.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use proc_macro;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `proc_macro` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate proc_macro;
[INFO] [stdout]    | ------------------------ the item `proc_macro` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `proc_macro2` is imported redundantly
[INFO] [stdout]  --> src/span.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use proc_macro2;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `proc_macro2` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0615]: attempted to take value of method `line` on type `proc_macro::Span`
[INFO] [stdout]    --> src/rsx.rs:148:53
[INFO] [stdout]     |
[INFO] [stdout] 148 | ...                   span.unstable().start().line,
[INFO] [stdout]     |                                               ^^^^ method, not a field
[INFO] [stdout]     |
[INFO] [stdout] help: use parentheses to call the method
[INFO] [stdout]     |
[INFO] [stdout] 148 |                             span.unstable().start().line(),
[INFO] [stdout]     |                                                         ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0615]: attempted to take value of method `column` on type `proc_macro::Span`
[INFO] [stdout]    --> src/rsx.rs:149:53
[INFO] [stdout]     |
[INFO] [stdout] 149 | ...                   span.unstable().start().column
[INFO] [stdout]     |                                               ^^^^^^ method, not a field
[INFO] [stdout]     |
[INFO] [stdout] help: use parentheses to call the method
[INFO] [stdout]     |
[INFO] [stdout] 149 |                             span.unstable().start().column()
[INFO] [stdout]     |                                                           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0615]: attempted to take value of method `line` on type `proc_macro::Span`
[INFO] [stdout]    --> src/rsx.rs:148:53
[INFO] [stdout]     |
[INFO] [stdout] 148 | ...                   span.unstable().start().line,
[INFO] [stdout]     |                                               ^^^^ method, not a field
[INFO] [stdout]     |
[INFO] [stdout] help: use parentheses to call the method
[INFO] [stdout]     |
[INFO] [stdout] 148 |                             span.unstable().start().line(),
[INFO] [stdout]     |                                                         ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0615]: attempted to take value of method `column` on type `proc_macro::Span`
[INFO] [stdout]    --> src/rsx.rs:149:53
[INFO] [stdout]     |
[INFO] [stdout] 149 | ...                   span.unstable().start().column
[INFO] [stdout]     |                                               ^^^^^^ method, not a field
[INFO] [stdout]     |
[INFO] [stdout] help: use parentheses to call the method
[INFO] [stdout]     |
[INFO] [stdout] 149 |                             span.unstable().start().column()
[INFO] [stdout]     |                                                           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0615`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0615`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alchemy-macros` (lib test) due to 3 previous errors; 26 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `alchemy-macros` (lib) due to 3 previous errors; 26 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3b77fbd0c2f52c79f136b903939ee63cacf7f9e19e26b19f403c4cf2ddca2839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b77fbd0c2f52c79f136b903939ee63cacf7f9e19e26b19f403c4cf2ddca2839", kill_on_drop: false }`
[INFO] [stdout] 3b77fbd0c2f52c79f136b903939ee63cacf7f9e19e26b19f403c4cf2ddca2839
