[INFO] fetching crate wasm-bindgen-webidl 0.2.74...
[INFO] checking wasm-bindgen-webidl-0.2.74 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate wasm-bindgen-webidl 0.2.74 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate wasm-bindgen-webidl 0.2.74 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasm-bindgen-webidl 0.2.74
[INFO] finished tweaking crates.io crate wasm-bindgen-webidl 0.2.74
[INFO] tweaked toml for crates.io crate wasm-bindgen-webidl 0.2.74 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate wasm-bindgen-webidl 0.2.74 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 454202d5630ffa88b3f29ff0944db5fea43cb0fa4182ae213491eabc5aea5305
[INFO] running `Command { std: "docker" "start" "-a" "454202d5630ffa88b3f29ff0944db5fea43cb0fa4182ae213491eabc5aea5305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "454202d5630ffa88b3f29ff0944db5fea43cb0fa4182ae213491eabc5aea5305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "454202d5630ffa88b3f29ff0944db5fea43cb0fa4182ae213491eabc5aea5305", kill_on_drop: false }`
[INFO] [stdout] 454202d5630ffa88b3f29ff0944db5fea43cb0fa4182ae213491eabc5aea5305
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d8dd4e9000ac0baf4ca15ea1ea38e01ebf6cbb41800a794797c74180171a09f
[INFO] running `Command { std: "docker" "start" "-a" "4d8dd4e9000ac0baf4ca15ea1ea38e01ebf6cbb41800a794797c74180171a09f", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bumpalo v3.6.1
[INFO] [stderr]     Checking sourcefile v0.1.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking wasm-bindgen-shared v0.2.74
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking weedle v0.12.0
[INFO] [stderr]     Checking wasm-bindgen-backend v0.2.74
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking wasm-bindgen-webidl v0.2.74 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `partial`
[INFO] [stdout]   --> src/first_pass.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub(crate) partial: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `partial`
[INFO] [stdout]   --> src/first_pass.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub(crate) partial: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `definition_attributes`
[INFO] [stdout]   --> src/first_pass.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub(crate) definition_attributes: Option<&'src ExtendedAttributeList<'src>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stability`
[INFO] [stdout]   --> src/first_pass.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub(crate) stability: ApiStability,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `partial`
[INFO] [stdout]   --> src/first_pass.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub(crate) partial: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `partial`
[INFO] [stdout]   --> src/first_pass.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub(crate) partial: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `definition_attributes`
[INFO] [stdout]   --> src/first_pass.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub(crate) definition_attributes: Option<&'src ExtendedAttributeList<'src>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stability`
[INFO] [stdout]   --> src/first_pass.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub(crate) stability: ApiStability,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.51s
[INFO] running `Command { std: "docker" "inspect" "4d8dd4e9000ac0baf4ca15ea1ea38e01ebf6cbb41800a794797c74180171a09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d8dd4e9000ac0baf4ca15ea1ea38e01ebf6cbb41800a794797c74180171a09f", kill_on_drop: false }`
[INFO] [stdout] 4d8dd4e9000ac0baf4ca15ea1ea38e01ebf6cbb41800a794797c74180171a09f