[INFO] fetching crate webidl 0.9.0...
[INFO] testing webidl-0.9.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate webidl 0.9.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate webidl 0.9.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate webidl 0.9.0
[INFO] finished tweaking crates.io crate webidl 0.9.0
[INFO] tweaked toml for crates.io crate webidl 0.9.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b39ea6e1d1cda2e1de4f55ef18e7f4711375a270e000e71e4ca16650c1115515
[INFO] running `"docker" "start" "-a" "b39ea6e1d1cda2e1de4f55ef18e7f4711375a270e000e71e4ca16650c1115515"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling webidl v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:236:42
[INFO] [stderr]     |
[INFO] [stderr] 236 |                         Some(&(_, c @ 'A'...'Z')) |
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:237:42
[INFO] [stderr]     |
[INFO] [stderr] 237 |                         Some(&(_, c @ 'a'...'z')) => {
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:246:37
[INFO] [stderr]     |
[INFO] [stderr] 246 |                 Some((start, c @ 'A'...'Z')) |
[INFO] [stderr]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:247:37
[INFO] [stderr]     |
[INFO] [stderr] 247 |                 Some((start, c @ 'a'...'z')) => {
[INFO] [stderr]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:250:37
[INFO] [stderr]     |
[INFO] [stderr] 250 |                 Some((start, c @ '0'...'9')) => {
[INFO] [stderr]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:285:42
[INFO] [stderr]     |
[INFO] [stderr] 285 |                         Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:309:42
[INFO] [stderr]     |
[INFO] [stderr] 309 |                         Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:386:38
[INFO] [stderr]     |
[INFO] [stderr] 386 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:403:38
[INFO] [stderr]     |
[INFO] [stderr] 403 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:433:38
[INFO] [stderr]     |
[INFO] [stderr] 433 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:449:38
[INFO] [stderr]     |
[INFO] [stderr] 449 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:465:38
[INFO] [stderr]     |
[INFO] [stderr] 465 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:477:38
[INFO] [stderr]     |
[INFO] [stderr] 477 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:527:34
[INFO] [stderr]     |
[INFO] [stderr] 527 |                 Some(&(_, c @ 'A'...'Z'))
[INFO] [stderr]     |                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:528:36
[INFO] [stderr]     |
[INFO] [stderr] 528 |                 | Some(&(_, c @ 'a'...'z'))
[INFO] [stderr]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:529:36
[INFO] [stderr]     |
[INFO] [stderr] 529 |                 | Some(&(_, c @ '0'...'9'))
[INFO] [stderr]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:637:34
[INFO] [stderr]     |
[INFO] [stderr] 637 |                 Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:659:46
[INFO] [stderr]     |
[INFO] [stderr] 659 | ...                   Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:740:42
[INFO] [stderr]     |
[INFO] [stderr] 740 |                         Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:846:29
[INFO] [stderr]     |
[INFO] [stderr] 846 |                 Some((_, '0'...'9')) => continue,
[INFO] [stderr]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/webidl-b4f88a0324158137/out/parser/grammar.rs:14469:5
[INFO] [stderr]       |
[INFO] [stderr] 14469 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14507:5
[INFO] [stderr]       |
[INFO] [stderr] 14507 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14515:5
[INFO] [stderr]       |
[INFO] [stderr] 14515 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14763:5
[INFO] [stderr]       |
[INFO] [stderr] 14763 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14771:5
[INFO] [stderr]       |
[INFO] [stderr] 14771 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14903:5
[INFO] [stderr]       |
[INFO] [stderr] 14903 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14912:5
[INFO] [stderr]       |
[INFO] [stderr] 14912 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15078:5
[INFO] [stderr]       |
[INFO] [stderr] 15078 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15111:5
[INFO] [stderr]       |
[INFO] [stderr] 15111 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15133:5
[INFO] [stderr]       |
[INFO] [stderr] 15133 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15421:5
[INFO] [stderr]       |
[INFO] [stderr] 15421 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15429:5
[INFO] [stderr]       |
[INFO] [stderr] 15429 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15437:5
[INFO] [stderr]       |
[INFO] [stderr] 15437 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15445:5
[INFO] [stderr]       |
[INFO] [stderr] 15445 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15453:5
[INFO] [stderr]       |
[INFO] [stderr] 15453 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15461:5
[INFO] [stderr]       |
[INFO] [stderr] 15461 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15469:5
[INFO] [stderr]       |
[INFO] [stderr] 15469 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15477:5
[INFO] [stderr]       |
[INFO] [stderr] 15477 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15485:5
[INFO] [stderr]       |
[INFO] [stderr] 15485 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15493:5
[INFO] [stderr]       |
[INFO] [stderr] 15493 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15610:5
[INFO] [stderr]       |
[INFO] [stderr] 15610 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15714:5
[INFO] [stderr]       |
[INFO] [stderr] 15714 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15780:5
[INFO] [stderr]       |
[INFO] [stderr] 15780 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15796:5
[INFO] [stderr]       |
[INFO] [stderr] 15796 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:16430:5
[INFO] [stderr]       |
[INFO] [stderr] 16430 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:16438:5
[INFO] [stderr]       |
[INFO] [stderr] 16438 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:16446:5
[INFO] [stderr]       |
[INFO] [stderr] 16446 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17069:5
[INFO] [stderr]       |
[INFO] [stderr] 17069 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17078:5
[INFO] [stderr]       |
[INFO] [stderr] 17078 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17210:5
[INFO] [stderr]       |
[INFO] [stderr] 17210 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17227:5
[INFO] [stderr]       |
[INFO] [stderr] 17227 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17314:5
[INFO] [stderr]       |
[INFO] [stderr] 17314 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17322:5
[INFO] [stderr]       |
[INFO] [stderr] 17322 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17376:5
[INFO] [stderr]       |
[INFO] [stderr] 17376 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17384:5
[INFO] [stderr]       |
[INFO] [stderr] 17384 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17477:5
[INFO] [stderr]       |
[INFO] [stderr] 17477 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17541:5
[INFO] [stderr]       |
[INFO] [stderr] 17541 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17592:5
[INFO] [stderr]       |
[INFO] [stderr] 17592 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17883:5
[INFO] [stderr]       |
[INFO] [stderr] 17883 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:18024:5
[INFO] [stderr]       |
[INFO] [stderr] 18024 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:18175:5
[INFO] [stderr]       |
[INFO] [stderr] 18175 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:18271:5
[INFO] [stderr]       |
[INFO] [stderr] 18271 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lexer/mod.rs:63:30
[INFO] [stderr]    |
[INFO] [stderr] 63 |         write!(f, "{}", self.description())
[INFO] [stderr]    |                              ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 63 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `"docker" "inspect" "b39ea6e1d1cda2e1de4f55ef18e7f4711375a270e000e71e4ca16650c1115515"`
[INFO] running `"docker" "rm" "-f" "b39ea6e1d1cda2e1de4f55ef18e7f4711375a270e000e71e4ca16650c1115515"`
[INFO] [stdout] b39ea6e1d1cda2e1de4f55ef18e7f4711375a270e000e71e4ca16650c1115515
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6ba70e0b4de39c770479cff7b90f4d91a63ed4e20839c980ab9220ff997f3664
[INFO] running `"docker" "start" "-a" "6ba70e0b4de39c770479cff7b90f4d91a63ed4e20839c980ab9220ff997f3664"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:236:42
[INFO] [stderr]     |
[INFO] [stderr] 236 |                         Some(&(_, c @ 'A'...'Z')) |
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:237:42
[INFO] [stderr]     |
[INFO] [stderr] 237 |                         Some(&(_, c @ 'a'...'z')) => {
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:246:37
[INFO] [stderr]     |
[INFO] [stderr] 246 |                 Some((start, c @ 'A'...'Z')) |
[INFO] [stderr]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:247:37
[INFO] [stderr]     |
[INFO] [stderr] 247 |                 Some((start, c @ 'a'...'z')) => {
[INFO] [stderr]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:250:37
[INFO] [stderr]     |
[INFO] [stderr] 250 |                 Some((start, c @ '0'...'9')) => {
[INFO] [stderr]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:285:42
[INFO] [stderr]     |
[INFO] [stderr] 285 |                         Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:309:42
[INFO] [stderr]     |
[INFO] [stderr] 309 |                         Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:386:38
[INFO] [stderr]     |
[INFO] [stderr] 386 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:403:38
[INFO] [stderr]     |
[INFO] [stderr] 403 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:433:38
[INFO] [stderr]     |
[INFO] [stderr] 433 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:449:38
[INFO] [stderr]     |
[INFO] [stderr] 449 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:465:38
[INFO] [stderr]     |
[INFO] [stderr] 465 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:477:38
[INFO] [stderr]     |
[INFO] [stderr] 477 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:527:34
[INFO] [stderr]     |
[INFO] [stderr] 527 |                 Some(&(_, c @ 'A'...'Z'))
[INFO] [stderr]     |                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:528:36
[INFO] [stderr]     |
[INFO] [stderr] 528 |                 | Some(&(_, c @ 'a'...'z'))
[INFO] [stderr]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:529:36
[INFO] [stderr]     |
[INFO] [stderr] 529 |                 | Some(&(_, c @ '0'...'9'))
[INFO] [stderr]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:637:34
[INFO] [stderr]     |
[INFO] [stderr] 637 |                 Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:659:46
[INFO] [stderr]     |
[INFO] [stderr] 659 | ...                   Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:740:42
[INFO] [stderr]     |
[INFO] [stderr] 740 |                         Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:846:29
[INFO] [stderr]     |
[INFO] [stderr] 846 |                 Some((_, '0'...'9')) => continue,
[INFO] [stderr]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/webidl-b4f88a0324158137/out/parser/grammar.rs:14469:5
[INFO] [stderr]       |
[INFO] [stderr] 14469 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14507:5
[INFO] [stderr]       |
[INFO] [stderr] 14507 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14515:5
[INFO] [stderr]       |
[INFO] [stderr] 14515 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14763:5
[INFO] [stderr]       |
[INFO] [stderr] 14763 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14771:5
[INFO] [stderr]       |
[INFO] [stderr] 14771 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14903:5
[INFO] [stderr]       |
[INFO] [stderr] 14903 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14912:5
[INFO] [stderr]       |
[INFO] [stderr] 14912 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15078:5
[INFO] [stderr]       |
[INFO] [stderr] 15078 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15111:5
[INFO] [stderr]       |
[INFO] [stderr] 15111 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15133:5
[INFO] [stderr]       |
[INFO] [stderr] 15133 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15421:5
[INFO] [stderr]       |
[INFO] [stderr] 15421 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15429:5
[INFO] [stderr]       |
[INFO] [stderr] 15429 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15437:5
[INFO] [stderr]       |
[INFO] [stderr] 15437 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15445:5
[INFO] [stderr]       |
[INFO] [stderr] 15445 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15453:5
[INFO] [stderr]       |
[INFO] [stderr] 15453 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15461:5
[INFO] [stderr]       |
[INFO] [stderr] 15461 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15469:5
[INFO] [stderr]       |
[INFO] [stderr] 15469 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15477:5
[INFO] [stderr]       |
[INFO] [stderr] 15477 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15485:5
[INFO] [stderr]       |
[INFO] [stderr] 15485 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15493:5
[INFO] [stderr]       |
[INFO] [stderr] 15493 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15610:5
[INFO] [stderr]       |
[INFO] [stderr] 15610 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15714:5
[INFO] [stderr]       |
[INFO] [stderr] 15714 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15780:5
[INFO] [stderr]       |
[INFO] [stderr] 15780 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15796:5
[INFO] [stderr]       |
[INFO] [stderr] 15796 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:16430:5
[INFO] [stderr]       |
[INFO] [stderr] 16430 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:16438:5
[INFO] [stderr]       |
[INFO] [stderr] 16438 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:16446:5
[INFO] [stderr]       |
[INFO] [stderr] 16446 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17069:5
[INFO] [stderr]       |
[INFO] [stderr] 17069 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17078:5
[INFO] [stderr]       |
[INFO] [stderr] 17078 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17210:5
[INFO] [stderr]       |
[INFO] [stderr] 17210 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17227:5
[INFO] [stderr]       |
[INFO] [stderr] 17227 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17314:5
[INFO] [stderr]       |
[INFO] [stderr] 17314 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17322:5
[INFO] [stderr]       |
[INFO] [stderr] 17322 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17376:5
[INFO] [stderr]       |
[INFO] [stderr] 17376 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17384:5
[INFO] [stderr]       |
[INFO] [stderr] 17384 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17477:5
[INFO] [stderr]       |
[INFO] [stderr] 17477 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17541:5
[INFO] [stderr]       |
[INFO] [stderr] 17541 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17592:5
[INFO] [stderr]       |
[INFO] [stderr] 17592 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17883:5
[INFO] [stderr]       |
[INFO] [stderr] 17883 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:18024:5
[INFO] [stderr]       |
[INFO] [stderr] 18024 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:18175:5
[INFO] [stderr]       |
[INFO] [stderr] 18175 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:18271:5
[INFO] [stderr]       |
[INFO] [stderr] 18271 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lexer/mod.rs:63:30
[INFO] [stderr]    |
[INFO] [stderr] 63 |         write!(f, "{}", self.description())
[INFO] [stderr]    |                              ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 63 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling zip v0.5.5
[INFO] [stderr]    Compiling webidl v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:236:42
[INFO] [stderr]     |
[INFO] [stderr] 236 |                         Some(&(_, c @ 'A'...'Z')) |
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:237:42
[INFO] [stderr]     |
[INFO] [stderr] 237 |                         Some(&(_, c @ 'a'...'z')) => {
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:246:37
[INFO] [stderr]     |
[INFO] [stderr] 246 |                 Some((start, c @ 'A'...'Z')) |
[INFO] [stderr]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:247:37
[INFO] [stderr]     |
[INFO] [stderr] 247 |                 Some((start, c @ 'a'...'z')) => {
[INFO] [stderr]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:250:37
[INFO] [stderr]     |
[INFO] [stderr] 250 |                 Some((start, c @ '0'...'9')) => {
[INFO] [stderr]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:285:42
[INFO] [stderr]     |
[INFO] [stderr] 285 |                         Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:309:42
[INFO] [stderr]     |
[INFO] [stderr] 309 |                         Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:386:38
[INFO] [stderr]     |
[INFO] [stderr] 386 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:403:38
[INFO] [stderr]     |
[INFO] [stderr] 403 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:433:38
[INFO] [stderr]     |
[INFO] [stderr] 433 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:449:38
[INFO] [stderr]     |
[INFO] [stderr] 449 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:465:38
[INFO] [stderr]     |
[INFO] [stderr] 465 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:477:38
[INFO] [stderr]     |
[INFO] [stderr] 477 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:527:34
[INFO] [stderr]     |
[INFO] [stderr] 527 |                 Some(&(_, c @ 'A'...'Z'))
[INFO] [stderr]     |                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:528:36
[INFO] [stderr]     |
[INFO] [stderr] 528 |                 | Some(&(_, c @ 'a'...'z'))
[INFO] [stderr]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:529:36
[INFO] [stderr]     |
[INFO] [stderr] 529 |                 | Some(&(_, c @ '0'...'9'))
[INFO] [stderr]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:637:34
[INFO] [stderr]     |
[INFO] [stderr] 637 |                 Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:659:46
[INFO] [stderr]     |
[INFO] [stderr] 659 | ...                   Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:740:42
[INFO] [stderr]     |
[INFO] [stderr] 740 |                         Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:846:29
[INFO] [stderr]     |
[INFO] [stderr] 846 |                 Some((_, '0'...'9')) => continue,
[INFO] [stderr]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/webidl-b4f88a0324158137/out/parser/grammar.rs:14469:5
[INFO] [stderr]       |
[INFO] [stderr] 14469 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14507:5
[INFO] [stderr]       |
[INFO] [stderr] 14507 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14515:5
[INFO] [stderr]       |
[INFO] [stderr] 14515 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14763:5
[INFO] [stderr]       |
[INFO] [stderr] 14763 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14771:5
[INFO] [stderr]       |
[INFO] [stderr] 14771 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14903:5
[INFO] [stderr]       |
[INFO] [stderr] 14903 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14912:5
[INFO] [stderr]       |
[INFO] [stderr] 14912 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15078:5
[INFO] [stderr]       |
[INFO] [stderr] 15078 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15111:5
[INFO] [stderr]       |
[INFO] [stderr] 15111 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15133:5
[INFO] [stderr]       |
[INFO] [stderr] 15133 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15421:5
[INFO] [stderr]       |
[INFO] [stderr] 15421 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15429:5
[INFO] [stderr]       |
[INFO] [stderr] 15429 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15437:5
[INFO] [stderr]       |
[INFO] [stderr] 15437 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15445:5
[INFO] [stderr]       |
[INFO] [stderr] 15445 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15453:5
[INFO] [stderr]       |
[INFO] [stderr] 15453 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15461:5
[INFO] [stderr]       |
[INFO] [stderr] 15461 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15469:5
[INFO] [stderr]       |
[INFO] [stderr] 15469 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15477:5
[INFO] [stderr]       |
[INFO] [stderr] 15477 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15485:5
[INFO] [stderr]       |
[INFO] [stderr] 15485 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15493:5
[INFO] [stderr]       |
[INFO] [stderr] 15493 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15610:5
[INFO] [stderr]       |
[INFO] [stderr] 15610 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15714:5
[INFO] [stderr]       |
[INFO] [stderr] 15714 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15780:5
[INFO] [stderr]       |
[INFO] [stderr] 15780 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15796:5
[INFO] [stderr]       |
[INFO] [stderr] 15796 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:16430:5
[INFO] [stderr]       |
[INFO] [stderr] 16430 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:16438:5
[INFO] [stderr]       |
[INFO] [stderr] 16438 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:16446:5
[INFO] [stderr]       |
[INFO] [stderr] 16446 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17069:5
[INFO] [stderr]       |
[INFO] [stderr] 17069 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17078:5
[INFO] [stderr]       |
[INFO] [stderr] 17078 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17210:5
[INFO] [stderr]       |
[INFO] [stderr] 17210 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17227:5
[INFO] [stderr]       |
[INFO] [stderr] 17227 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17314:5
[INFO] [stderr]       |
[INFO] [stderr] 17314 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17322:5
[INFO] [stderr]       |
[INFO] [stderr] 17322 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17376:5
[INFO] [stderr]       |
[INFO] [stderr] 17376 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17384:5
[INFO] [stderr]       |
[INFO] [stderr] 17384 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17477:5
[INFO] [stderr]       |
[INFO] [stderr] 17477 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17541:5
[INFO] [stderr]       |
[INFO] [stderr] 17541 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17592:5
[INFO] [stderr]       |
[INFO] [stderr] 17592 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17883:5
[INFO] [stderr]       |
[INFO] [stderr] 17883 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:18024:5
[INFO] [stderr]       |
[INFO] [stderr] 18024 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:18175:5
[INFO] [stderr]       |
[INFO] [stderr] 18175 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:18271:5
[INFO] [stderr]       |
[INFO] [stderr] 18271 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lexer/mod.rs:63:30
[INFO] [stderr]    |
[INFO] [stderr] 63 |         write!(f, "{}", self.description())
[INFO] [stderr]    |                              ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 63 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.10s
[INFO] running `"docker" "inspect" "6ba70e0b4de39c770479cff7b90f4d91a63ed4e20839c980ab9220ff997f3664"`
[INFO] running `"docker" "rm" "-f" "6ba70e0b4de39c770479cff7b90f4d91a63ed4e20839c980ab9220ff997f3664"`
[INFO] [stdout] 6ba70e0b4de39c770479cff7b90f4d91a63ed4e20839c980ab9220ff997f3664
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 131907f4a45429f616a5ddbaf9f3ee09dc324affc9dc4d0d3cec0b14e1df8630
[INFO] running `"docker" "start" "-a" "131907f4a45429f616a5ddbaf9f3ee09dc324affc9dc4d0d3cec0b14e1df8630"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:236:42
[INFO] [stderr]     |
[INFO] [stderr] 236 |                         Some(&(_, c @ 'A'...'Z')) |
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:237:42
[INFO] [stderr]     |
[INFO] [stderr] 237 |                         Some(&(_, c @ 'a'...'z')) => {
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:246:37
[INFO] [stderr]     |
[INFO] [stderr] 246 |                 Some((start, c @ 'A'...'Z')) |
[INFO] [stderr]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:247:37
[INFO] [stderr]     |
[INFO] [stderr] 247 |                 Some((start, c @ 'a'...'z')) => {
[INFO] [stderr]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:250:37
[INFO] [stderr]     |
[INFO] [stderr] 250 |                 Some((start, c @ '0'...'9')) => {
[INFO] [stderr]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:285:42
[INFO] [stderr]     |
[INFO] [stderr] 285 |                         Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:309:42
[INFO] [stderr]     |
[INFO] [stderr] 309 |                         Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:386:38
[INFO] [stderr]     |
[INFO] [stderr] 386 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:403:38
[INFO] [stderr]     |
[INFO] [stderr] 403 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:433:38
[INFO] [stderr]     |
[INFO] [stderr] 433 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:449:38
[INFO] [stderr]     |
[INFO] [stderr] 449 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:465:38
[INFO] [stderr]     |
[INFO] [stderr] 465 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:477:38
[INFO] [stderr]     |
[INFO] [stderr] 477 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:527:34
[INFO] [stderr]     |
[INFO] [stderr] 527 |                 Some(&(_, c @ 'A'...'Z'))
[INFO] [stderr]     |                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:528:36
[INFO] [stderr]     |
[INFO] [stderr] 528 |                 | Some(&(_, c @ 'a'...'z'))
[INFO] [stderr]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:529:36
[INFO] [stderr]     |
[INFO] [stderr] 529 |                 | Some(&(_, c @ '0'...'9'))
[INFO] [stderr]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:637:34
[INFO] [stderr]     |
[INFO] [stderr] 637 |                 Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:659:46
[INFO] [stderr]     |
[INFO] [stderr] 659 | ...                   Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:740:42
[INFO] [stderr]     |
[INFO] [stderr] 740 |                         Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:846:29
[INFO] [stderr]     |
[INFO] [stderr] 846 |                 Some((_, '0'...'9')) => continue,
[INFO] [stderr]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/webidl-b4f88a0324158137/out/parser/grammar.rs:14469:5
[INFO] [stderr]       |
[INFO] [stderr] 14469 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14507:5
[INFO] [stderr]       |
[INFO] [stderr] 14507 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14515:5
[INFO] [stderr]       |
[INFO] [stderr] 14515 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14763:5
[INFO] [stderr]       |
[INFO] [stderr] 14763 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14771:5
[INFO] [stderr]       |
[INFO] [stderr] 14771 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14903:5
[INFO] [stderr]       |
[INFO] [stderr] 14903 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14912:5
[INFO] [stderr]       |
[INFO] [stderr] 14912 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15078:5
[INFO] [stderr]       |
[INFO] [stderr] 15078 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15111:5
[INFO] [stderr]       |
[INFO] [stderr] 15111 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15133:5
[INFO] [stderr]       |
[INFO] [stderr] 15133 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15421:5
[INFO] [stderr]       |
[INFO] [stderr] 15421 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15429:5
[INFO] [stderr]       |
[INFO] [stderr] 15429 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15437:5
[INFO] [stderr]       |
[INFO] [stderr] 15437 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15445:5
[INFO] [stderr]       |
[INFO] [stderr] 15445 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15453:5
[INFO] [stderr]       |
[INFO] [stderr] 15453 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15461:5
[INFO] [stderr]       |
[INFO] [stderr] 15461 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15469:5
[INFO] [stderr]       |
[INFO] [stderr] 15469 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15477:5
[INFO] [stderr]       |
[INFO] [stderr] 15477 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15485:5
[INFO] [stderr]       |
[INFO] [stderr] 15485 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15493:5
[INFO] [stderr]       |
[INFO] [stderr] 15493 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15610:5
[INFO] [stderr]       |
[INFO] [stderr] 15610 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15714:5
[INFO] [stderr]       |
[INFO] [stderr] 15714 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15780:5
[INFO] [stderr]       |
[INFO] [stderr] 15780 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15796:5
[INFO] [stderr]       |
[INFO] [stderr] 15796 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:16430:5
[INFO] [stderr]       |
[INFO] [stderr] 16430 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:16438:5
[INFO] [stderr]       |
[INFO] [stderr] 16438 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:16446:5
[INFO] [stderr]       |
[INFO] [stderr] 16446 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17069:5
[INFO] [stderr]       |
[INFO] [stderr] 17069 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17078:5
[INFO] [stderr]       |
[INFO] [stderr] 17078 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17210:5
[INFO] [stderr]       |
[INFO] [stderr] 17210 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17227:5
[INFO] [stderr]       |
[INFO] [stderr] 17227 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17314:5
[INFO] [stderr]       |
[INFO] [stderr] 17314 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17322:5
[INFO] [stderr]       |
[INFO] [stderr] 17322 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17376:5
[INFO] [stderr]       |
[INFO] [stderr] 17376 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17384:5
[INFO] [stderr]       |
[INFO] [stderr] 17384 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17477:5
[INFO] [stderr]       |
[INFO] [stderr] 17477 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17541:5
[INFO] [stderr]       |
[INFO] [stderr] 17541 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17592:5
[INFO] [stderr]       |
[INFO] [stderr] 17592 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17883:5
[INFO] [stderr]       |
[INFO] [stderr] 17883 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:18024:5
[INFO] [stderr]       |
[INFO] [stderr] 18024 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:18175:5
[INFO] [stderr]       |
[INFO] [stderr] 18175 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:18271:5
[INFO] [stderr]       |
[INFO] [stderr] 18271 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lexer/mod.rs:63:30
[INFO] [stderr]    |
[INFO] [stderr] 63 |         write!(f, "{}", self.description())
[INFO] [stderr]    |                              ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 63 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:236:42
[INFO] [stderr]     |
[INFO] [stderr] 236 |                         Some(&(_, c @ 'A'...'Z')) |
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:237:42
[INFO] [stderr]     |
[INFO] [stderr] 237 |                         Some(&(_, c @ 'a'...'z')) => {
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:246:37
[INFO] [stderr]     |
[INFO] [stderr] 246 |                 Some((start, c @ 'A'...'Z')) |
[INFO] [stderr]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:247:37
[INFO] [stderr]     |
[INFO] [stderr] 247 |                 Some((start, c @ 'a'...'z')) => {
[INFO] [stderr]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:250:37
[INFO] [stderr]     |
[INFO] [stderr] 250 |                 Some((start, c @ '0'...'9')) => {
[INFO] [stderr]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:285:42
[INFO] [stderr]     |
[INFO] [stderr] 285 |                         Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:309:42
[INFO] [stderr]     |
[INFO] [stderr] 309 |                         Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:386:38
[INFO] [stderr]     |
[INFO] [stderr] 386 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:403:38
[INFO] [stderr]     |
[INFO] [stderr] 403 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:433:38
[INFO] [stderr]     |
[INFO] [stderr] 433 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:449:38
[INFO] [stderr]     |
[INFO] [stderr] 449 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:465:38
[INFO] [stderr]     |
[INFO] [stderr] 465 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:477:38
[INFO] [stderr]     |
[INFO] [stderr] 477 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:527:34
[INFO] [stderr]     |
[INFO] [stderr] 527 |                 Some(&(_, c @ 'A'...'Z'))
[INFO] [stderr]     |                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:528:36
[INFO] [stderr]     |
[INFO] [stderr] 528 |                 | Some(&(_, c @ 'a'...'z'))
[INFO] [stderr]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:529:36
[INFO] [stderr]     |
[INFO] [stderr] 529 |                 | Some(&(_, c @ '0'...'9'))
[INFO] [stderr]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:637:34
[INFO] [stderr]     |
[INFO] [stderr] 637 |                 Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:659:46
[INFO] [stderr]     |
[INFO] [stderr] 659 | ...                   Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:740:42
[INFO] [stderr]     |
[INFO] [stderr] 740 |                         Some(&(_, c @ '0'...'9')) => {
[INFO] [stderr]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lexer/mod.rs:846:29
[INFO] [stderr]     |
[INFO] [stderr] 846 |                 Some((_, '0'...'9')) => continue,
[INFO] [stderr]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/webidl-b4f88a0324158137/out/parser/grammar.rs:14469:5
[INFO] [stderr]       |
[INFO] [stderr] 14469 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14507:5
[INFO] [stderr]       |
[INFO] [stderr] 14507 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14515:5
[INFO] [stderr]       |
[INFO] [stderr] 14515 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14763:5
[INFO] [stderr]       |
[INFO] [stderr] 14763 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14771:5
[INFO] [stderr]       |
[INFO] [stderr] 14771 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14903:5
[INFO] [stderr]       |
[INFO] [stderr] 14903 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:14912:5
[INFO] [stderr]       |
[INFO] [stderr] 14912 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15078:5
[INFO] [stderr]       |
[INFO] [stderr] 15078 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15111:5
[INFO] [stderr]       |
[INFO] [stderr] 15111 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15133:5
[INFO] [stderr]       |
[INFO] [stderr] 15133 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15421:5
[INFO] [stderr]       |
[INFO] [stderr] 15421 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15429:5
[INFO] [stderr]       |
[INFO] [stderr] 15429 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15437:5
[INFO] [stderr]       |
[INFO] [stderr] 15437 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15445:5
[INFO] [stderr]       |
[INFO] [stderr] 15445 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15453:5
[INFO] [stderr]       |
[INFO] [stderr] 15453 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15461:5
[INFO] [stderr]       |
[INFO] [stderr] 15461 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15469:5
[INFO] [stderr]       |
[INFO] [stderr] 15469 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15477:5
[INFO] [stderr]       |
[INFO] [stderr] 15477 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15485:5
[INFO] [stderr]       |
[INFO] [stderr] 15485 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15493:5
[INFO] [stderr]       |
[INFO] [stderr] 15493 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15610:5
[INFO] [stderr]       |
[INFO] [stderr] 15610 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15714:5
[INFO] [stderr]       |
[INFO] [stderr] 15714 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15780:5
[INFO] [stderr]       |
[INFO] [stderr] 15780 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:15796:5
[INFO] [stderr]       |
[INFO] [stderr] 15796 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:16430:5
[INFO] [stderr]       |
[INFO] [stderr] 16430 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:16438:5
[INFO] [stderr]       |
[INFO] [stderr] 16438 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:16446:5
[INFO] [stderr]       |
[INFO] [stderr] 16446 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17069:5
[INFO] [stderr]       |
[INFO] [stderr] 17069 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17078:5
[INFO] [stderr]       |
[INFO] [stderr] 17078 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17210:5
[INFO] [stderr]       |
[INFO] [stderr] 17210 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17227:5
[INFO] [stderr]       |
[INFO] [stderr] 17227 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17314:5
[INFO] [stderr]       |
[INFO] [stderr] 17314 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17322:5
[INFO] [stderr]       |
[INFO] [stderr] 17322 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17376:5
[INFO] [stderr]       |
[INFO] [stderr] 17376 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17384:5
[INFO] [stderr]       |
[INFO] [stderr] 17384 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17477:5
[INFO] [stderr]       |
[INFO] [stderr] 17477 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17541:5
[INFO] [stderr]       |
[INFO] [stderr] 17541 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17592:5
[INFO] [stderr]       |
[INFO] [stderr] 17592 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:17883:5
[INFO] [stderr]       |
[INFO] [stderr] 17883 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:18024:5
[INFO] [stderr]       |
[INFO] [stderr] 18024 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:18175:5
[INFO] [stderr]       |
[INFO] [stderr] 18175 |     (__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/webidl-b4f88a0324158137/out/parser/grammar.rs:18271:5
[INFO] [stderr]       |
[INFO] [stderr] 18271 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lexer/mod.rs:63:30
[INFO] [stderr]    |
[INFO] [stderr] 63 |         write!(f, "{}", self.description())
[INFO] [stderr]    |                              ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 63 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/webidl-335880a714c7708b
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test lexer::test::lex_comma ... ok
[INFO] [stdout] test lexer::test::lex_hyphen ... ok
[INFO] [stdout] test lexer::test::lex_less_than ... ok
[INFO] [stdout] test lexer::test::lex_left_parenthesis ... ok
[INFO] [stdout] test lexer::test::lex_left_bracket ... ok
[INFO] [stdout] test lexer::test::lex_colon ... ok
[INFO] [stdout] test lexer::test::lex_equals ... ok
[INFO] [stdout] test lexer::test::lex_identifier ... ok
[INFO] [stdout] test lexer::test::lex_integer_literal ... ok
[INFO] [stdout] test lexer::test::lex_left_brace ... ok
[INFO] [stdout] test lexer::test::lex_ellipsis ... ok
[INFO] [stdout] test lexer::test::lex_keyword ... ok
[INFO] [stdout] test lexer::test::lex_comment ... ok
[INFO] [stdout] test lexer::test::lex_negative_infinity ... ok
[INFO] [stdout] test lexer::test::lex_other_literal ... ok
[INFO] [stdout] test lexer::test::lex_greater_than ... ok
[INFO] [stdout] test lexer::test::lex_string ... ok
[INFO] [stdout] test lexer::test::lex_whitespace ... ok
[INFO] [stdout] test parser::ast::test::test_flatten_asts ... ok
[INFO] [stdout] test lexer::test::lex_float_literal ... ok
[INFO] [stdout] test lexer::test::lex_period ... ok
[INFO] [stdout] test lexer::test::lex_right_brace ... ok
[INFO] [stdout] test lexer::test::lex_right_bracket ... ok
[INFO] [stdout] test lexer::test::lex_question_mark ... ok
[INFO] [stdout] test lexer::test::lex_right_parenthesis ... ok
[INFO] [stdout] test lexer::test::lex_semicolon ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/parse_test-8bcc3dc18051f4ae
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test parse_integer_literals ... ok
[INFO] [stdout] test parse_includes ... ok
[INFO] [stdout] test parse_mixin ... ok
[INFO] [stdout] test parse_servo_webidls ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- parse_servo_webidls stdout ----
[INFO] [stdout] thread 'parse_servo_webidls' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', tests/parse_test.rs:11:16
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d2338e76a5 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55d2338e76a5 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55d2338e76a5 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55d2338e76a5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3ec6bdab62f1e8d9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55d233910d3c - core::fmt::write::h935cb0ed4078a853
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55d2337b7645 - std::io::Write::write_fmt::h944a31ab04b0dfe4
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x55d2338e1be1 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h6bd94c41a9c566d2
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x55d2338e9ed0 - std::sys_common::backtrace::_print::h460db802d801ccf8
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x55d2338e9ed0 - std::sys_common::backtrace::print::h399d664f56640530
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x55d2338e9ed0 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x55d2338e9bca - std::panicking::default_hook::hfdceba6d6d1a18ae
[INFO] [stdout]                                at src/libstd/panicking.rs:215
[INFO] [stdout]   11:     0x55d2338ea507 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63
[INFO] [stdout]                                at src/libstd/panicking.rs:486
[INFO] [stdout]   12:     0x55d2338ea10b - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:388
[INFO] [stdout]   13:     0x55d23390f6d1 - core::panicking::panic_fmt::habd7df443069602c
[INFO] [stdout]                                at src/libcore/panicking.rs:101
[INFO] [stdout]   14:     0x55d23390f4f3 - core::option::expect_none_failed::h721078758a086285
[INFO] [stdout]                                at src/libcore/option.rs:1272
[INFO] [stdout]   15:     0x55d2337a467b - core::result::Result<T,E>::unwrap::he4bb16e400ab43e4
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/result.rs:1005
[INFO] [stdout]   16:     0x55d23379e4e4 - parse_test::parse_servo_webidls::h8c23df9fab2d528b
[INFO] [stdout]                                at tests/parse_test.rs:11
[INFO] [stdout]   17:     0x55d23379e49a - parse_test::parse_servo_webidls::{{closure}}::hd6a9b69f5fe3dbce
[INFO] [stdout]                                at tests/parse_test.rs:10
[INFO] [stdout]   18:     0x55d2337a337e - core::ops::function::FnOnce::call_once::heb0b715808757e74
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232
[INFO] [stdout]   19:     0x55d2337dea32 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd23431bd7b767a0c
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076
[INFO] [stdout]   20:     0x55d2337dea32 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h6986d2e83b783a4e
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318
[INFO] [stdout]   21:     0x55d2337dea32 - std::panicking::try::do_call::haee67871ebe8ee92
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297
[INFO] [stdout]   22:     0x55d2337dea32 - std::panicking::try::hcba534043f17f42d
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274
[INFO] [stdout]   23:     0x55d2337dea32 - std::panic::catch_unwind::h6908c2ae7517b434
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394
[INFO] [stdout]   24:     0x55d2337dea32 - test::run_test_in_process::h66277a63b8267865
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   25:     0x55d2337dea32 - test::run_test::run_test_inner::{{closure}}::h591f321b83c3f302
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   26:     0x55d2337b6b06 - std::sys_common::backtrace::__rust_begin_short_backtrace::h843e47ea29613666
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   27:     0x55d2337bc0a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha6c43669df0cbe25
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:475
[INFO] [stdout]   28:     0x55d2337bc0a5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc86e5439e615a14a
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:318
[INFO] [stdout]   29:     0x55d2337bc0a5 - std::panicking::try::do_call::h4b45bcf4d5d82a80
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:297
[INFO] [stdout]   30:     0x55d2337bc0a5 - std::panicking::try::h297c0c407d3f8196
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:274
[INFO] [stdout]   31:     0x55d2337bc0a5 - std::panic::catch_unwind::h877baa9fbef2eafe
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panic.rs:394
[INFO] [stdout]   32:     0x55d2337bc0a5 - std::thread::Builder::spawn_unchecked::{{closure}}::hdb000626ad29158a
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/thread/mod.rs:474
[INFO] [stdout]   33:     0x55d2337bc0a5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h87e786b011f05b5c
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/ops/function.rs:232
[INFO] [stdout]   34:     0x55d2338f07ca - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hfc5c0e64036d1b09
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076
[INFO] [stdout]   35:     0x55d2338f07ca - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hf3d73184efc070c1
[INFO] [stdout]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/liballoc/boxed.rs:1076
[INFO] [stdout]   36:     0x55d2338f07ca - std::sys::unix::thread::Thread::new::thread_start::hb9eb749d91dfe8e2
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   37:     0x7fb34af2a609 - start_thread
[INFO] [stdout]   38:     0x7fb34ae36103 - __clone
[INFO] [stdout]   39:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     parse_servo_webidls
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test parse_test'
[INFO] running `"docker" "inspect" "131907f4a45429f616a5ddbaf9f3ee09dc324affc9dc4d0d3cec0b14e1df8630"`
[INFO] running `"docker" "rm" "-f" "131907f4a45429f616a5ddbaf9f3ee09dc324affc9dc4d0d3cec0b14e1df8630"`
[INFO] [stdout] 131907f4a45429f616a5ddbaf9f3ee09dc324affc9dc4d0d3cec0b14e1df8630