[INFO] fetching crate sequoia-rfc2822 0.10.0...
[INFO] checking sequoia-rfc2822-0.10.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate sequoia-rfc2822 0.10.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sequoia-rfc2822 0.10.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sequoia-rfc2822 0.10.0
[INFO] finished tweaking crates.io crate sequoia-rfc2822 0.10.0
[INFO] tweaked toml for crates.io crate sequoia-rfc2822 0.10.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f7811abd4920b2628a8e2c1bebdaa3285bd5e83c622c59461aacb443313b250c
[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" "f7811abd4920b2628a8e2c1bebdaa3285bd5e83c622c59461aacb443313b250c"`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[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 generic-array v0.12.3
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling sequoia-rfc2822 v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]       --> /opt/rustwide/target/debug/build/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324863:5
[INFO] [stderr]        |
[INFO] [stderr] 324863 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324874:5
[INFO] [stderr]        |
[INFO] [stderr] 324874 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324885:5
[INFO] [stderr]        |
[INFO] [stderr] 324885 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324896:5
[INFO] [stderr]        |
[INFO] [stderr] 324896 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324907:5
[INFO] [stderr]        |
[INFO] [stderr] 324907 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324918:5
[INFO] [stderr]        |
[INFO] [stderr] 324918 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324929:5
[INFO] [stderr]        |
[INFO] [stderr] 324929 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324940:5
[INFO] [stderr]        |
[INFO] [stderr] 324940 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324951:5
[INFO] [stderr]        |
[INFO] [stderr] 324951 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324962:5
[INFO] [stderr]        |
[INFO] [stderr] 324962 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324973:5
[INFO] [stderr]        |
[INFO] [stderr] 324973 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324984:5
[INFO] [stderr]        |
[INFO] [stderr] 324984 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324995:5
[INFO] [stderr]        |
[INFO] [stderr] 324995 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325006:5
[INFO] [stderr]        |
[INFO] [stderr] 325006 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325017:5
[INFO] [stderr]        |
[INFO] [stderr] 325017 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325028:5
[INFO] [stderr]        |
[INFO] [stderr] 325028 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325039:5
[INFO] [stderr]        |
[INFO] [stderr] 325039 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325050:5
[INFO] [stderr]        |
[INFO] [stderr] 325050 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325061:5
[INFO] [stderr]        |
[INFO] [stderr] 325061 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325072:5
[INFO] [stderr]        |
[INFO] [stderr] 325072 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325083:5
[INFO] [stderr]        |
[INFO] [stderr] 325083 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325094:5
[INFO] [stderr]        |
[INFO] [stderr] 325094 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325105:5
[INFO] [stderr]        |
[INFO] [stderr] 325105 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325128:5
[INFO] [stderr]        |
[INFO] [stderr] 325128 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325139:5
[INFO] [stderr]        |
[INFO] [stderr] 325139 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325150:5
[INFO] [stderr]        |
[INFO] [stderr] 325150 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325161:5
[INFO] [stderr]        |
[INFO] [stderr] 325161 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325172:5
[INFO] [stderr]        |
[INFO] [stderr] 325172 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325183:5
[INFO] [stderr]        |
[INFO] [stderr] 325183 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325194:5
[INFO] [stderr]        |
[INFO] [stderr] 325194 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325205:5
[INFO] [stderr]        |
[INFO] [stderr] 325205 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325216:5
[INFO] [stderr]        |
[INFO] [stderr] 325216 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325227:5
[INFO] [stderr]        |
[INFO] [stderr] 325227 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325238:5
[INFO] [stderr]        |
[INFO] [stderr] 325238 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325249:5
[INFO] [stderr]        |
[INFO] [stderr] 325249 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325260:5
[INFO] [stderr]        |
[INFO] [stderr] 325260 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325271:5
[INFO] [stderr]        |
[INFO] [stderr] 325271 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325282:5
[INFO] [stderr]        |
[INFO] [stderr] 325282 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325293:5
[INFO] [stderr]        |
[INFO] [stderr] 325293 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325304:5
[INFO] [stderr]        |
[INFO] [stderr] 325304 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325315:5
[INFO] [stderr]        |
[INFO] [stderr] 325315 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325326:5
[INFO] [stderr]        |
[INFO] [stderr] 325326 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325338:5
[INFO] [stderr]        |
[INFO] [stderr] 325338 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325349:5
[INFO] [stderr]        |
[INFO] [stderr] 325349 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325372:5
[INFO] [stderr]        |
[INFO] [stderr] 325372 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325383:5
[INFO] [stderr]        |
[INFO] [stderr] 325383 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325394:5
[INFO] [stderr]        |
[INFO] [stderr] 325394 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325405:5
[INFO] [stderr]        |
[INFO] [stderr] 325405 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325416:5
[INFO] [stderr]        |
[INFO] [stderr] 325416 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325427:5
[INFO] [stderr]        |
[INFO] [stderr] 325427 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325438:5
[INFO] [stderr]        |
[INFO] [stderr] 325438 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325492:5
[INFO] [stderr]        |
[INFO] [stderr] 325492 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325753:5
[INFO] [stderr]        |
[INFO] [stderr] 325753 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325764:5
[INFO] [stderr]        |
[INFO] [stderr] 325764 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325775:5
[INFO] [stderr]        |
[INFO] [stderr] 325775 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325786:5
[INFO] [stderr]        |
[INFO] [stderr] 325786 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325797:5
[INFO] [stderr]        |
[INFO] [stderr] 325797 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325808:5
[INFO] [stderr]        |
[INFO] [stderr] 325808 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325819:5
[INFO] [stderr]        |
[INFO] [stderr] 325819 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326003:5
[INFO] [stderr]        |
[INFO] [stderr] 326003 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326014:5
[INFO] [stderr]        |
[INFO] [stderr] 326014 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326378:5
[INFO] [stderr]        |
[INFO] [stderr] 326378 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326424:5
[INFO] [stderr]        |
[INFO] [stderr] 326424 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326435:5
[INFO] [stderr]        |
[INFO] [stderr] 326435 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326457:5
[INFO] [stderr]        |
[INFO] [stderr] 326457 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326468:5
[INFO] [stderr]        |
[INFO] [stderr] 326468 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326578:5
[INFO] [stderr]        |
[INFO] [stderr] 326578 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326589:5
[INFO] [stderr]        |
[INFO] [stderr] 326589 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326600:5
[INFO] [stderr]        |
[INFO] [stderr] 326600 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326611:5
[INFO] [stderr]        |
[INFO] [stderr] 326611 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326622:5
[INFO] [stderr]        |
[INFO] [stderr] 326622 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326633:5
[INFO] [stderr]        |
[INFO] [stderr] 326633 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326644:5
[INFO] [stderr]        |
[INFO] [stderr] 326644 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326655:5
[INFO] [stderr]        |
[INFO] [stderr] 326655 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326666:5
[INFO] [stderr]        |
[INFO] [stderr] 326666 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:327137:5
[INFO] [stderr]        |
[INFO] [stderr] 327137 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324863:5
[INFO] [stderr]        |
[INFO] [stderr] 324863 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324874:5
[INFO] [stderr]        |
[INFO] [stderr] 324874 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324885:5
[INFO] [stderr]        |
[INFO] [stderr] 324885 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324896:5
[INFO] [stderr]        |
[INFO] [stderr] 324896 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324907:5
[INFO] [stderr]        |
[INFO] [stderr] 324907 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324918:5
[INFO] [stderr]        |
[INFO] [stderr] 324918 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324929:5
[INFO] [stderr]        |
[INFO] [stderr] 324929 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324940:5
[INFO] [stderr]        |
[INFO] [stderr] 324940 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324951:5
[INFO] [stderr]        |
[INFO] [stderr] 324951 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324962:5
[INFO] [stderr]        |
[INFO] [stderr] 324962 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324973:5
[INFO] [stderr]        |
[INFO] [stderr] 324973 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324984:5
[INFO] [stderr]        |
[INFO] [stderr] 324984 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:324995:5
[INFO] [stderr]        |
[INFO] [stderr] 324995 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325006:5
[INFO] [stderr]        |
[INFO] [stderr] 325006 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325017:5
[INFO] [stderr]        |
[INFO] [stderr] 325017 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325028:5
[INFO] [stderr]        |
[INFO] [stderr] 325028 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325039:5
[INFO] [stderr]        |
[INFO] [stderr] 325039 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325050:5
[INFO] [stderr]        |
[INFO] [stderr] 325050 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325061:5
[INFO] [stderr]        |
[INFO] [stderr] 325061 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325072:5
[INFO] [stderr]        |
[INFO] [stderr] 325072 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325083:5
[INFO] [stderr]        |
[INFO] [stderr] 325083 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325094:5
[INFO] [stderr]        |
[INFO] [stderr] 325094 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325105:5
[INFO] [stderr]        |
[INFO] [stderr] 325105 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325128:5
[INFO] [stderr]        |
[INFO] [stderr] 325128 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325139:5
[INFO] [stderr]        |
[INFO] [stderr] 325139 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325150:5
[INFO] [stderr]        |
[INFO] [stderr] 325150 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325161:5
[INFO] [stderr]        |
[INFO] [stderr] 325161 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325172:5
[INFO] [stderr]        |
[INFO] [stderr] 325172 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325183:5
[INFO] [stderr]        |
[INFO] [stderr] 325183 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325194:5
[INFO] [stderr]        |
[INFO] [stderr] 325194 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325205:5
[INFO] [stderr]        |
[INFO] [stderr] 325205 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325216:5
[INFO] [stderr]        |
[INFO] [stderr] 325216 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325227:5
[INFO] [stderr]        |
[INFO] [stderr] 325227 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325238:5
[INFO] [stderr]        |
[INFO] [stderr] 325238 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325249:5
[INFO] [stderr]        |
[INFO] [stderr] 325249 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325260:5
[INFO] [stderr]        |
[INFO] [stderr] 325260 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325271:5
[INFO] [stderr]        |
[INFO] [stderr] 325271 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325282:5
[INFO] [stderr]        |
[INFO] [stderr] 325282 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325293:5
[INFO] [stderr]        |
[INFO] [stderr] 325293 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325304:5
[INFO] [stderr]        |
[INFO] [stderr] 325304 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325315:5
[INFO] [stderr]        |
[INFO] [stderr] 325315 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325326:5
[INFO] [stderr]        |
[INFO] [stderr] 325326 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325338:5
[INFO] [stderr]        |
[INFO] [stderr] 325338 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325349:5
[INFO] [stderr]        |
[INFO] [stderr] 325349 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325372:5
[INFO] [stderr]        |
[INFO] [stderr] 325372 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325383:5
[INFO] [stderr]        |
[INFO] [stderr] 325383 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325394:5
[INFO] [stderr]        |
[INFO] [stderr] 325394 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325405:5
[INFO] [stderr]        |
[INFO] [stderr] 325405 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325416:5
[INFO] [stderr]        |
[INFO] [stderr] 325416 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325427:5
[INFO] [stderr]        |
[INFO] [stderr] 325427 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325438:5
[INFO] [stderr]        |
[INFO] [stderr] 325438 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325492:5
[INFO] [stderr]        |
[INFO] [stderr] 325492 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325753:5
[INFO] [stderr]        |
[INFO] [stderr] 325753 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325764:5
[INFO] [stderr]        |
[INFO] [stderr] 325764 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325775:5
[INFO] [stderr]        |
[INFO] [stderr] 325775 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325786:5
[INFO] [stderr]        |
[INFO] [stderr] 325786 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325797:5
[INFO] [stderr]        |
[INFO] [stderr] 325797 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325808:5
[INFO] [stderr]        |
[INFO] [stderr] 325808 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:325819:5
[INFO] [stderr]        |
[INFO] [stderr] 325819 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326003:5
[INFO] [stderr]        |
[INFO] [stderr] 326003 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326014:5
[INFO] [stderr]        |
[INFO] [stderr] 326014 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326378:5
[INFO] [stderr]        |
[INFO] [stderr] 326378 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326424:5
[INFO] [stderr]        |
[INFO] [stderr] 326424 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326435:5
[INFO] [stderr]        |
[INFO] [stderr] 326435 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326457:5
[INFO] [stderr]        |
[INFO] [stderr] 326457 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326468:5
[INFO] [stderr]        |
[INFO] [stderr] 326468 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326578:5
[INFO] [stderr]        |
[INFO] [stderr] 326578 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326589:5
[INFO] [stderr]        |
[INFO] [stderr] 326589 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326600:5
[INFO] [stderr]        |
[INFO] [stderr] 326600 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326611:5
[INFO] [stderr]        |
[INFO] [stderr] 326611 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326622:5
[INFO] [stderr]        |
[INFO] [stderr] 326622 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326633:5
[INFO] [stderr]        |
[INFO] [stderr] 326633 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326644:5
[INFO] [stderr]        |
[INFO] [stderr] 326644 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326655:5
[INFO] [stderr]        |
[INFO] [stderr] 326655 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:326666:5
[INFO] [stderr]        |
[INFO] [stderr] 326666 |     (__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/sequoia-rfc2822-eb84aefefc892854/out/grammar.rs:327137:5
[INFO] [stderr]        |
[INFO] [stderr] 327137 |     (__0)
[INFO] [stderr]        |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `sequoia-rfc2822`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name sequoia_rfc2822 --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,metadata -C debuginfo=2 --test -C metadata=c8426d077ab85bf3 -C extra-filename=-c8426d077ab85bf3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern failure=/opt/rustwide/target/debug/deps/libfailure-28f421cb283e0b4a.rmeta --extern lalrpop_util=/opt/rustwide/target/debug/deps/liblalrpop_util-6a9a6de1c2b1451b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-372fdf000ef7cf7b.rmeta --extern quickcheck=/opt/rustwide/target/debug/deps/libquickcheck-3932d31e7bd549c4.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-beb95fd72fb52a7a.rmeta --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/backtrace-sys-fcdacc8e5855309b/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: 76 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f7811abd4920b2628a8e2c1bebdaa3285bd5e83c622c59461aacb443313b250c"`
[INFO] running `"docker" "rm" "-f" "f7811abd4920b2628a8e2c1bebdaa3285bd5e83c622c59461aacb443313b250c"`
[INFO] [stdout] f7811abd4920b2628a8e2c1bebdaa3285bd5e83c622c59461aacb443313b250c