[INFO] fetching crate webidl 0.9.0...
[INFO] documenting webidl-0.9.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate webidl 0.9.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate webidl 0.9.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc8f9db770ddd95da77a76b772303399817418130187da32f7e00afa4622ea6a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fc8f9db770ddd95da77a76b772303399817418130187da32f7e00afa4622ea6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc8f9db770ddd95da77a76b772303399817418130187da32f7e00afa4622ea6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc8f9db770ddd95da77a76b772303399817418130187da32f7e00afa4622ea6a", kill_on_drop: false }`
[INFO] [stdout] fc8f9db770ddd95da77a76b772303399817418130187da32f7e00afa4622ea6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 796b100d0b627e3b89033e0de33c21081cedbbd6e4aacc5301e40d035ceaec62
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "796b100d0b627e3b89033e0de33c21081cedbbd6e4aacc5301e40d035ceaec62", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling webidl v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting webidl v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:236:42
[INFO] [stdout]     |
[INFO] [stdout] 236 |                         Some(&(_, c @ 'A'...'Z')) |
[INFO] [stdout]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:237:42
[INFO] [stdout]     |
[INFO] [stdout] 237 |                         Some(&(_, c @ 'a'...'z')) => {
[INFO] [stdout]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:246:37
[INFO] [stdout]     |
[INFO] [stdout] 246 |                 Some((start, c @ 'A'...'Z')) |
[INFO] [stdout]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:247:37
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 Some((start, c @ 'a'...'z')) => {
[INFO] [stdout]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:250:37
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 Some((start, c @ '0'...'9')) => {
[INFO] [stdout]     |                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:285:42
[INFO] [stdout]     |
[INFO] [stdout] 285 |                         Some(&(_, c @ '0'...'9')) => {
[INFO] [stdout]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:309:42
[INFO] [stdout]     |
[INFO] [stdout] 309 |                         Some(&(_, c @ '0'...'9')) => {
[INFO] [stdout]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:386:38
[INFO] [stdout]     |
[INFO] [stdout] 386 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stdout]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:403:38
[INFO] [stdout]     |
[INFO] [stdout] 403 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stdout]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:433:38
[INFO] [stdout]     |
[INFO] [stdout] 433 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stdout]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:449:38
[INFO] [stdout]     |
[INFO] [stdout] 449 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stdout]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:465:38
[INFO] [stdout]     |
[INFO] [stdout] 465 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stdout]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:477:38
[INFO] [stdout]     |
[INFO] [stdout] 477 |                     Some(&(_, c @ '0'...'9')) => {
[INFO] [stdout]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:527:34
[INFO] [stdout]     |
[INFO] [stdout] 527 |                 Some(&(_, c @ 'A'...'Z'))
[INFO] [stdout]     |                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:528:36
[INFO] [stdout]     |
[INFO] [stdout] 528 |                 | Some(&(_, c @ 'a'...'z'))
[INFO] [stdout]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:529:36
[INFO] [stdout]     |
[INFO] [stdout] 529 |                 | Some(&(_, c @ '0'...'9'))
[INFO] [stdout]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:637:34
[INFO] [stdout]     |
[INFO] [stdout] 637 |                 Some(&(_, c @ '0'...'9')) => {
[INFO] [stdout]     |                                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:659:46
[INFO] [stdout]     |
[INFO] [stdout] 659 | ...                   Some(&(_, c @ '0'...'9')) => {
[INFO] [stdout]     |                                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:740:42
[INFO] [stdout]     |
[INFO] [stdout] 740 |                         Some(&(_, c @ '0'...'9')) => {
[INFO] [stdout]     |                                          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer/mod.rs:846:29
[INFO] [stdout]     |
[INFO] [stdout] 846 |                 Some((_, '0'...'9')) => continue,
[INFO] [stdout]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:14469:5
[INFO] [stdout]       |
[INFO] [stdout] 14469 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout]       |
[INFO] [stdout]       = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:14507:5
[INFO] [stdout]       |
[INFO] [stdout] 14507 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:14515:5
[INFO] [stdout]       |
[INFO] [stdout] 14515 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:14763:5
[INFO] [stdout]       |
[INFO] [stdout] 14763 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:14771:5
[INFO] [stdout]       |
[INFO] [stdout] 14771 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:14903:5
[INFO] [stdout]       |
[INFO] [stdout] 14903 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:14912:5
[INFO] [stdout]       |
[INFO] [stdout] 14912 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:15078:5
[INFO] [stdout]       |
[INFO] [stdout] 15078 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:15111:5
[INFO] [stdout]       |
[INFO] [stdout] 15111 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:15133:5
[INFO] [stdout]       |
[INFO] [stdout] 15133 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:15421:5
[INFO] [stdout]       |
[INFO] [stdout] 15421 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:15429:5
[INFO] [stdout]       |
[INFO] [stdout] 15429 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:15437:5
[INFO] [stdout]       |
[INFO] [stdout] 15437 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:15445:5
[INFO] [stdout]       |
[INFO] [stdout] 15445 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:15453:5
[INFO] [stdout]       |
[INFO] [stdout] 15453 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:15461:5
[INFO] [stdout]       |
[INFO] [stdout] 15461 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:15469:5
[INFO] [stdout]       |
[INFO] [stdout] 15469 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:15477:5
[INFO] [stdout]       |
[INFO] [stdout] 15477 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:15485:5
[INFO] [stdout]       |
[INFO] [stdout] 15485 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:15493:5
[INFO] [stdout]       |
[INFO] [stdout] 15493 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:15610:5
[INFO] [stdout]       |
[INFO] [stdout] 15610 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:15714:5
[INFO] [stdout]       |
[INFO] [stdout] 15714 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:15780:5
[INFO] [stdout]       |
[INFO] [stdout] 15780 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:15796:5
[INFO] [stdout]       |
[INFO] [stdout] 15796 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:16430:5
[INFO] [stdout]       |
[INFO] [stdout] 16430 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:16438:5
[INFO] [stdout]       |
[INFO] [stdout] 16438 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:16446:5
[INFO] [stdout]       |
[INFO] [stdout] 16446 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:17069:5
[INFO] [stdout]       |
[INFO] [stdout] 17069 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:17078:5
[INFO] [stdout]       |
[INFO] [stdout] 17078 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:17210:5
[INFO] [stdout]       |
[INFO] [stdout] 17210 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:17227:5
[INFO] [stdout]       |
[INFO] [stdout] 17227 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:17314:5
[INFO] [stdout]       |
[INFO] [stdout] 17314 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:17322:5
[INFO] [stdout]       |
[INFO] [stdout] 17322 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:17376:5
[INFO] [stdout]       |
[INFO] [stdout] 17376 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:17384:5
[INFO] [stdout]       |
[INFO] [stdout] 17384 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:17477:5
[INFO] [stdout]       |
[INFO] [stdout] 17477 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:17541:5
[INFO] [stdout]       |
[INFO] [stdout] 17541 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:17592:5
[INFO] [stdout]       |
[INFO] [stdout] 17592 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:17883:5
[INFO] [stdout]       |
[INFO] [stdout] 17883 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:18024:5
[INFO] [stdout]       |
[INFO] [stdout] 18024 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:18175:5
[INFO] [stdout]       |
[INFO] [stdout] 18175 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/webidl-5f06c0e6314ffa56/out/parser/grammar.rs:18271:5
[INFO] [stdout]       |
[INFO] [stdout] 18271 |     (__0)
[INFO] [stdout]       |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 62 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "796b100d0b627e3b89033e0de33c21081cedbbd6e4aacc5301e40d035ceaec62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "796b100d0b627e3b89033e0de33c21081cedbbd6e4aacc5301e40d035ceaec62", kill_on_drop: false }`
[INFO] [stdout] 796b100d0b627e3b89033e0de33c21081cedbbd6e4aacc5301e40d035ceaec62