[INFO] fetching crate wasm-bindgen-webidl 0.2.73...
[INFO] checking wasm-bindgen-webidl-0.2.73 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate wasm-bindgen-webidl 0.2.73 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate wasm-bindgen-webidl 0.2.73 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasm-bindgen-webidl 0.2.73
[INFO] finished tweaking crates.io crate wasm-bindgen-webidl 0.2.73
[INFO] tweaked toml for crates.io crate wasm-bindgen-webidl 0.2.73 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate wasm-bindgen-webidl 0.2.73 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76b2e55a13777b5e947f015863941a63931e24d17b4ab83de126e46a3f0b97fd
[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" "76b2e55a13777b5e947f015863941a63931e24d17b4ab83de126e46a3f0b97fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76b2e55a13777b5e947f015863941a63931e24d17b4ab83de126e46a3f0b97fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76b2e55a13777b5e947f015863941a63931e24d17b4ab83de126e46a3f0b97fd", kill_on_drop: false }`
[INFO] [stdout] 76b2e55a13777b5e947f015863941a63931e24d17b4ab83de126e46a3f0b97fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74bb96b7e850631c166de964236e9e609b10827d10afcd014447ec766657e584
[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" "74bb96b7e850631c166de964236e9e609b10827d10afcd014447ec766657e584", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.73
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking sourcefile v0.1.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.67
[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 heck v0.3.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking weedle v0.12.0
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking wasm-bindgen-backend v0.2.73
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking wasm-bindgen-webidl v0.2.73 (/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 48.09s
[INFO] running `Command { std: "docker" "inspect" "74bb96b7e850631c166de964236e9e609b10827d10afcd014447ec766657e584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74bb96b7e850631c166de964236e9e609b10827d10afcd014447ec766657e584", kill_on_drop: false }`
[INFO] [stdout] 74bb96b7e850631c166de964236e9e609b10827d10afcd014447ec766657e584