[INFO] fetching crate zypo-lib 0.0.2...
[INFO] checking zypo-lib-0.0.2 against try#dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e for pr-153721
[INFO] extracting crate zypo-lib 0.0.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate zypo-lib 0.0.2
[INFO] finished tweaking crates.io crate zypo-lib 0.0.2
[INFO] tweaked toml for crates.io crate zypo-lib 0.0.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zypo-lib 0.0.2 on toolchain dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 84 packages to latest compatible versions
[INFO] [stderr]       Adding lalrpop v0.17.2 (available: v0.23.1)
[INFO] [stderr]       Adding lalrpop-util v0.17.2 (available: v0.23.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7217a1dd64c66b282daf031e7ec467661edd2787730d50bfd14d7d85bb0dd100
[INFO] running `Command { std: "docker" "start" "7217a1dd64c66b282daf031e7ec467661edd2787730d50bfd14d7d85bb0dd100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7217a1dd64c66b282daf031e7ec467661edd2787730d50bfd14d7d85bb0dd100" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7217a1dd64c66b282daf031e7ec467661edd2787730d50bfd14d7d85bb0dd100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7217a1dd64c66b282daf031e7ec467661edd2787730d50bfd14d7d85bb0dd100" "/opt/rustwide/cargo-home/bin/cargo" "+dcc22e5232dd0dbe95a4b3ab84c8d24a0880771e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling regex v1.12.4
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling either v1.16.0
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling 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 serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling docopt v1.1.1
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling zypo-lib v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::parser::scope::Scope`
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::parser::scope::Scope;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:4452:5
[INFO] [stdout]      |
[INFO] [stdout] 4452 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4452 -     (___0)
[INFO] [stdout] 4452 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:4463:5
[INFO] [stdout]      |
[INFO] [stdout] 4463 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4463 -     (___0)
[INFO] [stdout] 4463 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:4500:5
[INFO] [stdout]      |
[INFO] [stdout] 4500 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4500 -     (___0)
[INFO] [stdout] 4500 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:4522:5
[INFO] [stdout]      |
[INFO] [stdout] 4522 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4522 -     (___0)
[INFO] [stdout] 4522 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:4602:5
[INFO] [stdout]      |
[INFO] [stdout] 4602 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4602 -     (___0)
[INFO] [stdout] 4602 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:4707:5
[INFO] [stdout]      |
[INFO] [stdout] 4707 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4707 -     (___0)
[INFO] [stdout] 4707 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:4797:5
[INFO] [stdout]      |
[INFO] [stdout] 4797 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4797 -     (___0)
[INFO] [stdout] 4797 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:4843:5
[INFO] [stdout]      |
[INFO] [stdout] 4843 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4843 -     (___0)
[INFO] [stdout] 4843 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:4911:5
[INFO] [stdout]      |
[INFO] [stdout] 4911 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4911 -     (___0)
[INFO] [stdout] 4911 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:4957:5
[INFO] [stdout]      |
[INFO] [stdout] 4957 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4957 -     (___0)
[INFO] [stdout] 4957 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:5003:5
[INFO] [stdout]      |
[INFO] [stdout] 5003 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5003 -     (___0)
[INFO] [stdout] 5003 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:5246:5
[INFO] [stdout]      |
[INFO] [stdout] 5246 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5246 -     (___0)
[INFO] [stdout] 5246 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:5281:5
[INFO] [stdout]      |
[INFO] [stdout] 5281 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5281 -     (___0)
[INFO] [stdout] 5281 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:5361:5
[INFO] [stdout]      |
[INFO] [stdout] 5361 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5361 -     (___0)
[INFO] [stdout] 5361 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::scope::Scope`
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::parser::scope::Scope;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:4452:5
[INFO] [stdout]      |
[INFO] [stdout] 4452 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4452 -     (___0)
[INFO] [stdout] 4452 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:4463:5
[INFO] [stdout]      |
[INFO] [stdout] 4463 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4463 -     (___0)
[INFO] [stdout] 4463 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:4500:5
[INFO] [stdout]      |
[INFO] [stdout] 4500 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4500 -     (___0)
[INFO] [stdout] 4500 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:4522:5
[INFO] [stdout]      |
[INFO] [stdout] 4522 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4522 -     (___0)
[INFO] [stdout] 4522 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:4602:5
[INFO] [stdout]      |
[INFO] [stdout] 4602 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4602 -     (___0)
[INFO] [stdout] 4602 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:4707:5
[INFO] [stdout]      |
[INFO] [stdout] 4707 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4707 -     (___0)
[INFO] [stdout] 4707 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:4797:5
[INFO] [stdout]      |
[INFO] [stdout] 4797 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4797 -     (___0)
[INFO] [stdout] 4797 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:4843:5
[INFO] [stdout]      |
[INFO] [stdout] 4843 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4843 -     (___0)
[INFO] [stdout] 4843 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:4911:5
[INFO] [stdout]      |
[INFO] [stdout] 4911 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4911 -     (___0)
[INFO] [stdout] 4911 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:4957:5
[INFO] [stdout]      |
[INFO] [stdout] 4957 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4957 -     (___0)
[INFO] [stdout] 4957 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:5003:5
[INFO] [stdout]      |
[INFO] [stdout] 5003 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5003 -     (___0)
[INFO] [stdout] 5003 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:5246:5
[INFO] [stdout]      |
[INFO] [stdout] 5246 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5246 -     (___0)
[INFO] [stdout] 5246 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:5281:5
[INFO] [stdout]      |
[INFO] [stdout] 5281 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5281 -     (___0)
[INFO] [stdout] 5281 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/zypo-lib-d74fe6f6d4b2897a/out/parser/grammar.rs:5361:5
[INFO] [stdout]      |
[INFO] [stdout] 5361 |     (___0)
[INFO] [stdout]      |     ^    ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 5361 -     (___0)
[INFO] [stdout] 5361 +     ___0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.17s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.17.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 8`
[INFO] running `Command { std: "docker" "inspect" "7217a1dd64c66b282daf031e7ec467661edd2787730d50bfd14d7d85bb0dd100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7217a1dd64c66b282daf031e7ec467661edd2787730d50bfd14d7d85bb0dd100", kill_on_drop: false }`
[INFO] [stdout] 7217a1dd64c66b282daf031e7ec467661edd2787730d50bfd14d7d85bb0dd100
