[INFO] fetching crate wasm-webidl-bindings-text-parser 0.8.0...
[INFO] checking wasm-webidl-bindings-text-parser-0.8.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate wasm-webidl-bindings-text-parser 0.8.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate wasm-webidl-bindings-text-parser 0.8.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasm-webidl-bindings-text-parser 0.8.0
[INFO] finished tweaking crates.io crate wasm-webidl-bindings-text-parser 0.8.0
[INFO] tweaked toml for crates.io crate wasm-webidl-bindings-text-parser 0.8.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 352bfb8d8936944472391cbc82eb0c2b8c855876f5166438fe6a6e8900319630
[INFO] running `Command { std: "docker" "start" "-a" "352bfb8d8936944472391cbc82eb0c2b8c855876f5166438fe6a6e8900319630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "352bfb8d8936944472391cbc82eb0c2b8c855876f5166438fe6a6e8900319630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "352bfb8d8936944472391cbc82eb0c2b8c855876f5166438fe6a6e8900319630", kill_on_drop: false }`
[INFO] [stdout] 352bfb8d8936944472391cbc82eb0c2b8c855876f5166438fe6a6e8900319630
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df8558280ff8b394976776f9e546513ee34fd31e4a19ee2ccf96c71e8ee823bb
[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" "df8558280ff8b394976776f9e546513ee34fd31e4a19ee2ccf96c71e8ee823bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling term v0.5.2
[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 ascii-canvas v2.0.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling walrus-macro v0.15.0
[INFO] [stderr]     Checking walrus v0.15.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling wasm-webidl-bindings-text-parser v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]       --> /opt/rustwide/target/debug/build/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122216:5
[INFO] [stdout]        |
[INFO] [stdout] 122216 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122231:5
[INFO] [stdout]        |
[INFO] [stdout] 122231 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122246:5
[INFO] [stdout]        |
[INFO] [stdout] 122246 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122261:5
[INFO] [stdout]        |
[INFO] [stdout] 122261 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122276:5
[INFO] [stdout]        |
[INFO] [stdout] 122276 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122291:5
[INFO] [stdout]        |
[INFO] [stdout] 122291 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122306:5
[INFO] [stdout]        |
[INFO] [stdout] 122306 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122321:5
[INFO] [stdout]        |
[INFO] [stdout] 122321 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122336:5
[INFO] [stdout]        |
[INFO] [stdout] 122336 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122351:5
[INFO] [stdout]        |
[INFO] [stdout] 122351 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122366:5
[INFO] [stdout]        |
[INFO] [stdout] 122366 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122381:5
[INFO] [stdout]        |
[INFO] [stdout] 122381 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122396:5
[INFO] [stdout]        |
[INFO] [stdout] 122396 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122978:5
[INFO] [stdout]        |
[INFO] [stdout] 122978 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:124266:5
[INFO] [stdout]        |
[INFO] [stdout] 124266 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:124281:5
[INFO] [stdout]        |
[INFO] [stdout] 124281 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122216:5
[INFO] [stdout]        |
[INFO] [stdout] 122216 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122231:5
[INFO] [stdout]        |
[INFO] [stdout] 122231 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122246:5
[INFO] [stdout]        |
[INFO] [stdout] 122246 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122261:5
[INFO] [stdout]        |
[INFO] [stdout] 122261 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122276:5
[INFO] [stdout]        |
[INFO] [stdout] 122276 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122291:5
[INFO] [stdout]        |
[INFO] [stdout] 122291 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122306:5
[INFO] [stdout]        |
[INFO] [stdout] 122306 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122321:5
[INFO] [stdout]        |
[INFO] [stdout] 122321 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122336:5
[INFO] [stdout]        |
[INFO] [stdout] 122336 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122351:5
[INFO] [stdout]        |
[INFO] [stdout] 122351 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122366:5
[INFO] [stdout]        |
[INFO] [stdout] 122366 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122381:5
[INFO] [stdout]        |
[INFO] [stdout] 122381 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122396:5
[INFO] [stdout]        |
[INFO] [stdout] 122396 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:122978:5
[INFO] [stdout]        |
[INFO] [stdout] 122978 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:124266:5
[INFO] [stdout]        |
[INFO] [stdout] 124266 |     (__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/wasm-webidl-bindings-text-parser-48aea6dced1adc7c/out/grammar.rs:124281:5
[INFO] [stdout]        |
[INFO] [stdout] 124281 |     (__0)
[INFO] [stdout]        |     ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 34s
[INFO] running `Command { std: "docker" "inspect" "df8558280ff8b394976776f9e546513ee34fd31e4a19ee2ccf96c71e8ee823bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df8558280ff8b394976776f9e546513ee34fd31e4a19ee2ccf96c71e8ee823bb", kill_on_drop: false }`
[INFO] [stdout] df8558280ff8b394976776f9e546513ee34fd31e4a19ee2ccf96c71e8ee823bb