[INFO] crate alchemy-macros 0.1.0 is already in cache
[INFO] testing alchemy-macros-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate alchemy-macros 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate alchemy-macros 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alchemy-styles v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1607042862a6c3115b903dd327d44006105ac39e4ed58bd2ecc21b489349ab20
[INFO] running `Command { std: "docker" "start" "-a" "1607042862a6c3115b903dd327d44006105ac39e4ed58bd2ecc21b489349ab20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1607042862a6c3115b903dd327d44006105ac39e4ed58bd2ecc21b489349ab20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1607042862a6c3115b903dd327d44006105ac39e4ed58bd2ecc21b489349ab20", kill_on_drop: false }`
[INFO] [stdout] 1607042862a6c3115b903dd327d44006105ac39e4ed58bd2ecc21b489349ab20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08030287c513c48497496f8b8c4e8df3c0d12f2ef2eb4820f77fad60078bf16f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "08030287c513c48497496f8b8c4e8df3c0d12f2ef2eb4820f77fad60078bf16f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling procedural-masquerade v0.1.7
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]    Compiling dtoa-short v0.3.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling toml v0.5.6
[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-9259c30977da5529/out/grammar.rs:4508:5
[INFO] [stdout]      |
[INFO] [stdout] 4508 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4542:5
[INFO] [stdout]      |
[INFO] [stdout] 4542 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4550:5
[INFO] [stdout]      |
[INFO] [stdout] 4550 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4558:5
[INFO] [stdout]      |
[INFO] [stdout] 4558 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4628:5
[INFO] [stdout]      |
[INFO] [stdout] 4628 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4636:5
[INFO] [stdout]      |
[INFO] [stdout] 4636 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4644:5
[INFO] [stdout]      |
[INFO] [stdout] 4644 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4684:5
[INFO] [stdout]      |
[INFO] [stdout] 4684 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4735:5
[INFO] [stdout]      |
[INFO] [stdout] 4735 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4743:5
[INFO] [stdout]      |
[INFO] [stdout] 4743 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4751:5
[INFO] [stdout]      |
[INFO] [stdout] 4751 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4857:5
[INFO] [stdout]      |
[INFO] [stdout] 4857 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4926:5
[INFO] [stdout]      |
[INFO] [stdout] 4926 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4934:5
[INFO] [stdout]      |
[INFO] [stdout] 4934 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4998:5
[INFO] [stdout]      |
[INFO] [stdout] 4998 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5008:5
[INFO] [stdout]      |
[INFO] [stdout] 5008 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5018:5
[INFO] [stdout]      |
[INFO] [stdout] 5018 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5027:5
[INFO] [stdout]      |
[INFO] [stdout] 5027 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5034:6
[INFO] [stdout]      |
[INFO] [stdout] 5034 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5319:5
[INFO] [stdout]      |
[INFO] [stdout] 5319 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5439:5
[INFO] [stdout]      |
[INFO] [stdout] 5439 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5482:5
[INFO] [stdout]      |
[INFO] [stdout] 5482 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:6562:6
[INFO] [stdout]      |
[INFO] [stdout] 6562 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:6579:6
[INFO] [stdout]      |
[INFO] [stdout] 6579 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 34s
[INFO] running `Command { std: "docker" "inspect" "08030287c513c48497496f8b8c4e8df3c0d12f2ef2eb4820f77fad60078bf16f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08030287c513c48497496f8b8c4e8df3c0d12f2ef2eb4820f77fad60078bf16f", kill_on_drop: false }`
[INFO] [stdout] 08030287c513c48497496f8b8c4e8df3c0d12f2ef2eb4820f77fad60078bf16f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79429dd72761415b877177354fd7e5d25fde517cd3372c5d53433db746049961
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "79429dd72761415b877177354fd7e5d25fde517cd3372c5d53433db746049961", kill_on_drop: false }`
[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-9259c30977da5529/out/grammar.rs:4508:5
[INFO] [stdout]      |
[INFO] [stdout] 4508 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4542:5
[INFO] [stdout]      |
[INFO] [stdout] 4542 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4550:5
[INFO] [stdout]      |
[INFO] [stdout] 4550 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4558:5
[INFO] [stdout]      |
[INFO] [stdout] 4558 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4628:5
[INFO] [stdout]      |
[INFO] [stdout] 4628 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4636:5
[INFO] [stdout]      |
[INFO] [stdout] 4636 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4644:5
[INFO] [stdout]      |
[INFO] [stdout] 4644 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4684:5
[INFO] [stdout]      |
[INFO] [stdout] 4684 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4735:5
[INFO] [stdout]      |
[INFO] [stdout] 4735 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4743:5
[INFO] [stdout]      |
[INFO] [stdout] 4743 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4751:5
[INFO] [stdout]      |
[INFO] [stdout] 4751 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4857:5
[INFO] [stdout]      |
[INFO] [stdout] 4857 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4926:5
[INFO] [stdout]      |
[INFO] [stdout] 4926 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4934:5
[INFO] [stdout]      |
[INFO] [stdout] 4934 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4998:5
[INFO] [stdout]      |
[INFO] [stdout] 4998 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5008:5
[INFO] [stdout]      |
[INFO] [stdout] 5008 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5018:5
[INFO] [stdout]      |
[INFO] [stdout] 5018 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5027:5
[INFO] [stdout]      |
[INFO] [stdout] 5027 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5034:6
[INFO] [stdout]      |
[INFO] [stdout] 5034 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5319:5
[INFO] [stdout]      |
[INFO] [stdout] 5319 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5439:5
[INFO] [stdout]      |
[INFO] [stdout] 5439 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5482:5
[INFO] [stdout]      |
[INFO] [stdout] 5482 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:6562:6
[INFO] [stdout]      |
[INFO] [stdout] 6562 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:6579:6
[INFO] [stdout]      |
[INFO] [stdout] 6579 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4508:5
[INFO] [stdout]      |
[INFO] [stdout] 4508 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4542:5
[INFO] [stdout]      |
[INFO] [stdout] 4542 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4550:5
[INFO] [stdout]      |
[INFO] [stdout] 4550 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4558:5
[INFO] [stdout]      |
[INFO] [stdout] 4558 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4628:5
[INFO] [stdout]      |
[INFO] [stdout] 4628 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4636:5
[INFO] [stdout]      |
[INFO] [stdout] 4636 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4644:5
[INFO] [stdout]      |
[INFO] [stdout] 4644 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4684:5
[INFO] [stdout]      |
[INFO] [stdout] 4684 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4735:5
[INFO] [stdout]      |
[INFO] [stdout] 4735 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4743:5
[INFO] [stdout]      |
[INFO] [stdout] 4743 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4751:5
[INFO] [stdout]      |
[INFO] [stdout] 4751 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4857:5
[INFO] [stdout]      |
[INFO] [stdout] 4857 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4926:5
[INFO] [stdout]      |
[INFO] [stdout] 4926 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4934:5
[INFO] [stdout]      |
[INFO] [stdout] 4934 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4998:5
[INFO] [stdout]      |
[INFO] [stdout] 4998 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5008:5
[INFO] [stdout]      |
[INFO] [stdout] 5008 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5018:5
[INFO] [stdout]      |
[INFO] [stdout] 5018 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5027:5
[INFO] [stdout]      |
[INFO] [stdout] 5027 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5034:6
[INFO] [stdout]      |
[INFO] [stdout] 5034 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5319:5
[INFO] [stdout]      |
[INFO] [stdout] 5319 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5439:5
[INFO] [stdout]      |
[INFO] [stdout] 5439 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5482:5
[INFO] [stdout]      |
[INFO] [stdout] 5482 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:6562:6
[INFO] [stdout]      |
[INFO] [stdout] 6562 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:6579:6
[INFO] [stdout]      |
[INFO] [stdout] 6579 | ) -> (Option<Vec<Token>>)
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "79429dd72761415b877177354fd7e5d25fde517cd3372c5d53433db746049961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79429dd72761415b877177354fd7e5d25fde517cd3372c5d53433db746049961", kill_on_drop: false }`
[INFO] [stdout] 79429dd72761415b877177354fd7e5d25fde517cd3372c5d53433db746049961
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a28b965bac13c7caa07bae157f2e4dcac385324fbc5be4351cee5f9ee54b9833
[INFO] running `Command { std: "docker" "start" "-a" "a28b965bac13c7caa07bae157f2e4dcac385324fbc5be4351cee5f9ee54b9833", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4508:5
[INFO] [stderr]      |
[INFO] [stderr] 4508 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4542:5
[INFO] [stderr]      |
[INFO] [stderr] 4542 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4550:5
[INFO] [stderr]      |
[INFO] [stderr] 4550 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4558:5
[INFO] [stderr]      |
[INFO] [stderr] 4558 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4628:5
[INFO] [stderr]      |
[INFO] [stderr] 4628 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4636:5
[INFO] [stderr]      |
[INFO] [stderr] 4636 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4644:5
[INFO] [stderr]      |
[INFO] [stderr] 4644 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4684:5
[INFO] [stderr]      |
[INFO] [stderr] 4684 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4735:5
[INFO] [stderr]      |
[INFO] [stderr] 4735 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4508:5
[INFO] [stderr]      |
[INFO] [stderr] 4508 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4542:5
[INFO] [stderr]      |
[INFO] [stderr] 4542 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4550:5
[INFO] [stderr]      |
[INFO] [stderr] 4550 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4743:5
[INFO] [stderr]      |
[INFO] [stderr] 4743 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4751:5
[INFO] [stderr]      |
[INFO] [stderr] 4751 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4558:5
[INFO] [stderr]      |
[INFO] [stderr] 4558 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4628:5
[INFO] [stderr]      |
[INFO] [stderr] 4628 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4857:5
[INFO] [stderr]      |
[INFO] [stderr] 4857 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4926:5
[INFO] [stderr]      |
[INFO] [stderr] 4926 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4636:5
[INFO] [stderr]      |
[INFO] [stderr] 4636 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4644:5
[INFO] [stderr]      |
[INFO] [stderr] 4644 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4684:5
[INFO] [stderr]      |
[INFO] [stderr] 4684 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4934:5
[INFO] [stderr]      |
[INFO] [stderr] 4934 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4998:5
[INFO] [stderr]      |
[INFO] [stderr] 4998 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5008:5
[INFO] [stderr]      |
[INFO] [stderr] 5008 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4735:5
[INFO] [stderr]      |
[INFO] [stderr] 4735 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4743:5
[INFO] [stderr]      |
[INFO] [stderr] 4743 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4751:5
[INFO] [stderr]      |
[INFO] [stderr] 4751 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5018:5
[INFO] [stderr]      |
[INFO] [stderr] 5018 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5027:5
[INFO] [stderr]      |
[INFO] [stderr] 5027 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5034:6
[INFO] [stderr]      |
[INFO] [stderr] 5034 | ) -> (Option<Vec<Token>>)
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4857:5
[INFO] [stderr]      |
[INFO] [stderr] 4857 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4926:5
[INFO] [stderr]      |
[INFO] [stderr] 4926 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4934:5
[INFO] [stderr]      |
[INFO] [stderr] 4934 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5319:5
[INFO] [stderr]      |
[INFO] [stderr] 5319 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5439:5
[INFO] [stderr]      |
[INFO] [stderr] 5439 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5482:5
[INFO] [stderr]      |
[INFO] [stderr] 5482 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:4998:5
[INFO] [stderr]      |
[INFO] [stderr] 4998 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5008:5
[INFO] [stderr]      |
[INFO] [stderr] 5008 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5018:5
[INFO] [stderr]      |
[INFO] [stderr] 5018 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:6562:6
[INFO] [stderr]      |
[INFO] [stderr] 6562 | ) -> (Option<Vec<Token>>)
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:6579:6
[INFO] [stderr]      |
[INFO] [stderr] 6579 | ) -> (Option<Vec<Token>>)
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5027:5
[INFO] [stderr]      |
[INFO] [stderr] 5027 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5034:6
[INFO] [stderr]      |
[INFO] [stderr] 5034 | ) -> (Option<Vec<Token>>)
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5319:5
[INFO] [stderr]      |
[INFO] [stderr] 5319 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5439:5
[INFO] [stderr]      |
[INFO] [stderr] 5439 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5482:5
[INFO] [stderr]      |
[INFO] [stderr] 5482 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:6562:6
[INFO] [stderr]      |
[INFO] [stderr] 6562 | ) -> (Option<Vec<Token>>)
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:6579:6
[INFO] [stderr]      |
[INFO] [stderr] 6579 | ) -> (Option<Vec<Token>>)
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/alchemy_macros-e35767f7f1cd4e18
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests alchemy-macros
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:5034:6
[INFO] [stderr]      |
[INFO] [stderr] 5034 | ) -> (Option<Vec<Token>>)
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:6562:6
[INFO] [stderr]      |
[INFO] [stderr] 6562 | ) -> (Option<Vec<Token>>)
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/alchemy-macros-9259c30977da5529/out/grammar.rs:6579:6
[INFO] [stderr]      |
[INFO] [stderr] 6579 | ) -> (Option<Vec<Token>>)
[INFO] [stderr]      |      ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a28b965bac13c7caa07bae157f2e4dcac385324fbc5be4351cee5f9ee54b9833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a28b965bac13c7caa07bae157f2e4dcac385324fbc5be4351cee5f9ee54b9833", kill_on_drop: false }`
[INFO] [stdout] a28b965bac13c7caa07bae157f2e4dcac385324fbc5be4351cee5f9ee54b9833