[INFO] cloning repository https://github.com/sim82/lalrpop_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sim82/lalrpop_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsim82%2Flalrpop_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsim82%2Flalrpop_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 603dccb09c6771534f938ef6acac483406cd8087
[INFO] checking sim82/lalrpop_test against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsim82%2Flalrpop_test" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sim82/lalrpop_test on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sim82/lalrpop_test
[INFO] finished tweaking git repo https://github.com/sim82/lalrpop_test
[INFO] tweaked toml for git repo https://github.com/sim82/lalrpop_test written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/sim82/lalrpop_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 451ac2a5023009072c5afc64f5fe9fec10344f12464f0c6e1382b456030bd099
[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" "451ac2a5023009072c5afc64f5fe9fec10344f12464f0c6e1382b456030bd099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "451ac2a5023009072c5afc64f5fe9fec10344f12464f0c6e1382b456030bd099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "451ac2a5023009072c5afc64f5fe9fec10344f12464f0c6e1382b456030bd099", kill_on_drop: false }`
[INFO] [stdout] 451ac2a5023009072c5afc64f5fe9fec10344f12464f0c6e1382b456030bd099
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 74b940715a625a6d9903a748de910532ce49197448fcc1939257761bb1fdc1bf
[INFO] running `Command { std: "docker" "start" "-a" "74b940715a625a6d9903a748de910532ce49197448fcc1939257761bb1fdc1bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking handy v0.1.3
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.0
[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]     Checking regex v1.3.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling lalrpop_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3116:5
[INFO] [stdout]      |
[INFO] [stdout] 3116 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3127:5
[INFO] [stdout]      |
[INFO] [stdout] 3127 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3162:5
[INFO] [stdout]      |
[INFO] [stdout] 3162 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3173:5
[INFO] [stdout]      |
[INFO] [stdout] 3173 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3186:5
[INFO] [stdout]      |
[INFO] [stdout] 3186 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3197:5
[INFO] [stdout]      |
[INFO] [stdout] 3197 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3208:5
[INFO] [stdout]      |
[INFO] [stdout] 3208 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3219:5
[INFO] [stdout]      |
[INFO] [stdout] 3219 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3230:5
[INFO] [stdout]      |
[INFO] [stdout] 3230 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3241:5
[INFO] [stdout]      |
[INFO] [stdout] 3241 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3252:5
[INFO] [stdout]      |
[INFO] [stdout] 3252 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3263:5
[INFO] [stdout]      |
[INFO] [stdout] 3263 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3285:5
[INFO] [stdout]      |
[INFO] [stdout] 3285 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3572:5
[INFO] [stdout]      |
[INFO] [stdout] 3572 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3618:5
[INFO] [stdout]      |
[INFO] [stdout] 3618 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3629:5
[INFO] [stdout]      |
[INFO] [stdout] 3629 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3640:5
[INFO] [stdout]      |
[INFO] [stdout] 3640 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3651:5
[INFO] [stdout]      |
[INFO] [stdout] 3651 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:8816:5
[INFO] [stdout]      |
[INFO] [stdout] 8816 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:8830:5
[INFO] [stdout]      |
[INFO] [stdout] 8830 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:8844:5
[INFO] [stdout]      |
[INFO] [stdout] 8844 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:8906:5
[INFO] [stdout]      |
[INFO] [stdout] 8906 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:8920:5
[INFO] [stdout]      |
[INFO] [stdout] 8920 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:8934:5
[INFO] [stdout]      |
[INFO] [stdout] 8934 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:8948:5
[INFO] [stdout]      |
[INFO] [stdout] 8948 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:8962:5
[INFO] [stdout]      |
[INFO] [stdout] 8962 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:8976:5
[INFO] [stdout]      |
[INFO] [stdout] 8976 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:8990:5
[INFO] [stdout]      |
[INFO] [stdout] 8990 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9004:5
[INFO] [stdout]      |
[INFO] [stdout] 9004 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9135:5
[INFO] [stdout]      |
[INFO] [stdout] 9135 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9149:5
[INFO] [stdout]      |
[INFO] [stdout] 9149 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9177:5
[INFO] [stdout]      |
[INFO] [stdout] 9177 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9289:5
[INFO] [stdout]      |
[INFO] [stdout] 9289 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9303:5
[INFO] [stdout]      |
[INFO] [stdout] 9303 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9317:5
[INFO] [stdout]      |
[INFO] [stdout] 9317 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9417:5
[INFO] [stdout]      |
[INFO] [stdout] 9417 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9487:5
[INFO] [stdout]      |
[INFO] [stdout] 9487 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9501:5
[INFO] [stdout]      |
[INFO] [stdout] 9501 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9515:5
[INFO] [stdout]      |
[INFO] [stdout] 9515 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9529:5
[INFO] [stdout]      |
[INFO] [stdout] 9529 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9543:5
[INFO] [stdout]      |
[INFO] [stdout] 9543 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9629:5
[INFO] [stdout]      |
[INFO] [stdout] 9629 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9659:5
[INFO] [stdout]      |
[INFO] [stdout] 9659 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9689:5
[INFO] [stdout]      |
[INFO] [stdout] 9689 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9719:5
[INFO] [stdout]      |
[INFO] [stdout] 9719 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9749:5
[INFO] [stdout]      |
[INFO] [stdout] 9749 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9844:5
[INFO] [stdout]      |
[INFO] [stdout] 9844 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9997:5
[INFO] [stdout]      |
[INFO] [stdout] 9997 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:10099:5
[INFO] [stdout]       |
[INFO] [stdout] 10099 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3116:5
[INFO] [stdout]      |
[INFO] [stdout] 3116 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3127:5
[INFO] [stdout]      |
[INFO] [stdout] 3127 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3162:5
[INFO] [stdout]      |
[INFO] [stdout] 3162 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3173:5
[INFO] [stdout]      |
[INFO] [stdout] 3173 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3186:5
[INFO] [stdout]      |
[INFO] [stdout] 3186 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3197:5
[INFO] [stdout]      |
[INFO] [stdout] 3197 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3208:5
[INFO] [stdout]      |
[INFO] [stdout] 3208 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3219:5
[INFO] [stdout]      |
[INFO] [stdout] 3219 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3230:5
[INFO] [stdout]      |
[INFO] [stdout] 3230 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3241:5
[INFO] [stdout]      |
[INFO] [stdout] 3241 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3252:5
[INFO] [stdout]      |
[INFO] [stdout] 3252 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3263:5
[INFO] [stdout]      |
[INFO] [stdout] 3263 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3285:5
[INFO] [stdout]      |
[INFO] [stdout] 3285 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3572:5
[INFO] [stdout]      |
[INFO] [stdout] 3572 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3618:5
[INFO] [stdout]      |
[INFO] [stdout] 3618 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3629:5
[INFO] [stdout]      |
[INFO] [stdout] 3629 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3640:5
[INFO] [stdout]      |
[INFO] [stdout] 3640 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/xas.rs:3651:5
[INFO] [stdout]      |
[INFO] [stdout] 3651 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:8816:5
[INFO] [stdout]      |
[INFO] [stdout] 8816 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:8830:5
[INFO] [stdout]      |
[INFO] [stdout] 8830 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:8844:5
[INFO] [stdout]      |
[INFO] [stdout] 8844 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:8906:5
[INFO] [stdout]      |
[INFO] [stdout] 8906 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:8920:5
[INFO] [stdout]      |
[INFO] [stdout] 8920 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:8934:5
[INFO] [stdout]      |
[INFO] [stdout] 8934 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:8948:5
[INFO] [stdout]      |
[INFO] [stdout] 8948 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:8962:5
[INFO] [stdout]      |
[INFO] [stdout] 8962 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:8976:5
[INFO] [stdout]      |
[INFO] [stdout] 8976 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:8990:5
[INFO] [stdout]      |
[INFO] [stdout] 8990 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9004:5
[INFO] [stdout]      |
[INFO] [stdout] 9004 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9135:5
[INFO] [stdout]      |
[INFO] [stdout] 9135 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9149:5
[INFO] [stdout]      |
[INFO] [stdout] 9149 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9177:5
[INFO] [stdout]      |
[INFO] [stdout] 9177 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9289:5
[INFO] [stdout]      |
[INFO] [stdout] 9289 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9303:5
[INFO] [stdout]      |
[INFO] [stdout] 9303 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9317:5
[INFO] [stdout]      |
[INFO] [stdout] 9317 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9417:5
[INFO] [stdout]      |
[INFO] [stdout] 9417 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9487:5
[INFO] [stdout]      |
[INFO] [stdout] 9487 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9501:5
[INFO] [stdout]      |
[INFO] [stdout] 9501 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9515:5
[INFO] [stdout]      |
[INFO] [stdout] 9515 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9529:5
[INFO] [stdout]      |
[INFO] [stdout] 9529 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9543:5
[INFO] [stdout]      |
[INFO] [stdout] 9543 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9629:5
[INFO] [stdout]      |
[INFO] [stdout] 9629 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9659:5
[INFO] [stdout]      |
[INFO] [stdout] 9659 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9689:5
[INFO] [stdout]      |
[INFO] [stdout] 9689 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9719:5
[INFO] [stdout]      |
[INFO] [stdout] 9719 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9749:5
[INFO] [stdout]      |
[INFO] [stdout] 9749 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9844:5
[INFO] [stdout]      |
[INFO] [stdout] 9844 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:9997:5
[INFO] [stdout]      |
[INFO] [stdout] 9997 |     (__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/lalrpop_test-55d0e7cfe3134bea/out/lang1.rs:10099:5
[INFO] [stdout]       |
[INFO] [stdout] 10099 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 49 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 49 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 2m 45s
[INFO] running `Command { std: "docker" "inspect" "74b940715a625a6d9903a748de910532ce49197448fcc1939257761bb1fdc1bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b940715a625a6d9903a748de910532ce49197448fcc1939257761bb1fdc1bf", kill_on_drop: false }`
[INFO] [stdout] 74b940715a625a6d9903a748de910532ce49197448fcc1939257761bb1fdc1bf