[INFO] crate zypo-parser 0.0.1 is already in cache
[INFO] testing zypo-parser-0.0.1 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate zypo-parser 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate zypo-parser 0.0.1 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate zypo-parser 0.0.1
[INFO] finished tweaking crates.io crate zypo-parser 0.0.1
[INFO] tweaked toml for crates.io crate zypo-parser 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stdout] 644e83e708b884dd43c6f5fb9e8970668b547fb732ed01a30bb1fcd08969e0b0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "644e83e708b884dd43c6f5fb9e8970668b547fb732ed01a30bb1fcd08969e0b0"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[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 v0.8.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling zypo-parser v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/zypo-parser-62c1095374e7afe2/out/grammar.rs:2986:5
[INFO] [stderr]      |
[INFO] [stderr] 2986 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:2997:5
[INFO] [stderr]      |
[INFO] [stderr] 2997 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3027:5
[INFO] [stderr]      |
[INFO] [stderr] 3027 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3147:5
[INFO] [stderr]      |
[INFO] [stderr] 3147 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3193:5
[INFO] [stderr]      |
[INFO] [stderr] 3193 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3239:5
[INFO] [stderr]      |
[INFO] [stderr] 3239 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3285:5
[INFO] [stderr]      |
[INFO] [stderr] 3285 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3399:5
[INFO] [stderr]      |
[INFO] [stderr] 3399 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3467:5
[INFO] [stderr]      |
[INFO] [stderr] 3467 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3502:5
[INFO] [stderr]      |
[INFO] [stderr] 3502 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3559:5
[INFO] [stderr]      |
[INFO] [stderr] 3559 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 12s
[INFO] running `"docker" "inspect" "644e83e708b884dd43c6f5fb9e8970668b547fb732ed01a30bb1fcd08969e0b0"`
[INFO] running `"docker" "rm" "-f" "644e83e708b884dd43c6f5fb9e8970668b547fb732ed01a30bb1fcd08969e0b0"`
[INFO] [stdout] 644e83e708b884dd43c6f5fb9e8970668b547fb732ed01a30bb1fcd08969e0b0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a55fa0dad61d6ad2d916c6b32e5f039eadf9906a379cddf6fac32681eb99c85c
[INFO] running `"docker" "start" "-a" "a55fa0dad61d6ad2d916c6b32e5f039eadf9906a379cddf6fac32681eb99c85c"`
[INFO] [stderr]    Compiling zypo-parser v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/zypo-parser-62c1095374e7afe2/out/grammar.rs:2986:5
[INFO] [stderr]      |
[INFO] [stderr] 2986 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:2997:5
[INFO] [stderr]      |
[INFO] [stderr] 2997 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3027:5
[INFO] [stderr]      |
[INFO] [stderr] 3027 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3147:5
[INFO] [stderr]      |
[INFO] [stderr] 3147 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3193:5
[INFO] [stderr]      |
[INFO] [stderr] 3193 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3239:5
[INFO] [stderr]      |
[INFO] [stderr] 3239 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3285:5
[INFO] [stderr]      |
[INFO] [stderr] 3285 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3399:5
[INFO] [stderr]      |
[INFO] [stderr] 3399 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3467:5
[INFO] [stderr]      |
[INFO] [stderr] 3467 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3502:5
[INFO] [stderr]      |
[INFO] [stderr] 3502 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3559:5
[INFO] [stderr]      |
[INFO] [stderr] 3559 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/zypo-parser-62c1095374e7afe2/out/grammar.rs:2986:5
[INFO] [stderr]      |
[INFO] [stderr] 2986 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:2997:5
[INFO] [stderr]      |
[INFO] [stderr] 2997 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3027:5
[INFO] [stderr]      |
[INFO] [stderr] 3027 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3147:5
[INFO] [stderr]      |
[INFO] [stderr] 3147 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3193:5
[INFO] [stderr]      |
[INFO] [stderr] 3193 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3239:5
[INFO] [stderr]      |
[INFO] [stderr] 3239 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3285:5
[INFO] [stderr]      |
[INFO] [stderr] 3285 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3399:5
[INFO] [stderr]      |
[INFO] [stderr] 3399 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3467:5
[INFO] [stderr]      |
[INFO] [stderr] 3467 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3502:5
[INFO] [stderr]      |
[INFO] [stderr] 3502 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3559:5
[INFO] [stderr]      |
[INFO] [stderr] 3559 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `"docker" "inspect" "a55fa0dad61d6ad2d916c6b32e5f039eadf9906a379cddf6fac32681eb99c85c"`
[INFO] running `"docker" "rm" "-f" "a55fa0dad61d6ad2d916c6b32e5f039eadf9906a379cddf6fac32681eb99c85c"`
[INFO] [stdout] a55fa0dad61d6ad2d916c6b32e5f039eadf9906a379cddf6fac32681eb99c85c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 467d033b08a079c1575fdddaf7da56ff0f457a67f8e45e5bb7d6c28de48209ba
[INFO] running `"docker" "start" "-a" "467d033b08a079c1575fdddaf7da56ff0f457a67f8e45e5bb7d6c28de48209ba"`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/zypo-parser-62c1095374e7afe2/out/grammar.rs:2986:5
[INFO] [stderr]      |
[INFO] [stderr] 2986 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:2997:5
[INFO] [stderr]      |
[INFO] [stderr] 2997 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3027:5
[INFO] [stderr]      |
[INFO] [stderr] 3027 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3147:5
[INFO] [stderr]      |
[INFO] [stderr] 3147 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3193:5
[INFO] [stderr]      |
[INFO] [stderr] 3193 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3239:5
[INFO] [stderr]      |
[INFO] [stderr] 3239 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3285:5
[INFO] [stderr]      |
[INFO] [stderr] 3285 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3399:5
[INFO] [stderr]      |
[INFO] [stderr] 3399 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3467:5
[INFO] [stderr]      |
[INFO] [stderr] 3467 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3502:5
[INFO] [stderr]      |
[INFO] [stderr] 3502 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3559:5
[INFO] [stderr]      |
[INFO] [stderr] 3559 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/zypo-parser-62c1095374e7afe2/out/grammar.rs:2986:5
[INFO] [stderr]      |
[INFO] [stderr] 2986 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:2997:5
[INFO] [stderr]      |
[INFO] [stderr] 2997 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3027:5
[INFO] [stderr]      |
[INFO] [stderr] 3027 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3147:5
[INFO] [stderr]      |
[INFO] [stderr] 3147 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3193:5
[INFO] [stderr]      |
[INFO] [stderr] 3193 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3239:5
[INFO] [stderr]      |
[INFO] [stderr] 3239 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3285:5
[INFO] [stderr]      |
[INFO] [stderr] 3285 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3399:5
[INFO] [stderr]      |
[INFO] [stderr] 3399 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3467:5
[INFO] [stderr]      |
[INFO] [stderr] 3467 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3502:5
[INFO] [stderr]      |
[INFO] [stderr] 3502 |     (__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/zypo-parser-62c1095374e7afe2/out/grammar.rs:3559:5
[INFO] [stderr]      |
[INFO] [stderr] 3559 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zypo_parser-96ceda4829ebdeee
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::while_loop_ast ... ok
[INFO] [stdout] test tests::basic_function_ast ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zypo-parser
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs -  (line 19) ... ok
[INFO] [stdout] test src/lib.rs -  (line 47) ... ok
[INFO] [stdout] test src/lib.rs - ast_result (line 89) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "467d033b08a079c1575fdddaf7da56ff0f457a67f8e45e5bb7d6c28de48209ba"`
[INFO] running `"docker" "rm" "-f" "467d033b08a079c1575fdddaf7da56ff0f457a67f8e45e5bb7d6c28de48209ba"`
[INFO] [stdout] 467d033b08a079c1575fdddaf7da56ff0f457a67f8e45e5bb7d6c28de48209ba