[INFO] fetching crate rs_web_component 0.1.8...
[INFO] checking rs_web_component-0.1.8 against master#24139cf844095e574708faf406034dc78cb39143 for pr-149518-1
[INFO] extracting crate rs_web_component 0.1.8 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rs_web_component 0.1.8
[INFO] finished tweaking crates.io crate rs_web_component 0.1.8
[INFO] tweaked toml for crates.io crate rs_web_component 0.1.8 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rs_web_component 0.1.8 on toolchain 24139cf844095e574708faf406034dc78cb39143
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24139cf844095e574708faf406034dc78cb39143" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rs_web_component 0.1.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24139cf844095e574708faf406034dc78cb39143" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.105
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.105
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.105
[INFO] [stderr]   Downloaded js-sys v0.3.82
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.105
[INFO] [stderr]   Downloaded syn v2.0.110
[INFO] [stderr]   Downloaded web-sys v0.3.82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+24139cf844095e574708faf406034dc78cb39143" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 809d96ef214afcccaeb6d8b982d4150c6923dc06fa2ce093894dab691dce9969
[INFO] running `Command { std: "docker" "start" "-a" "809d96ef214afcccaeb6d8b982d4150c6923dc06fa2ce093894dab691dce9969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "809d96ef214afcccaeb6d8b982d4150c6923dc06fa2ce093894dab691dce9969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "809d96ef214afcccaeb6d8b982d4150c6923dc06fa2ce093894dab691dce9969", kill_on_drop: false }`
[INFO] [stdout] 809d96ef214afcccaeb6d8b982d4150c6923dc06fa2ce093894dab691dce9969
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+24139cf844095e574708faf406034dc78cb39143" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d4a4a05c3ad01b6dbcc84cb366591d3f0c8839e228b8b93d4440c21c3867ed6
[INFO] running `Command { std: "docker" "start" "-a" "1d4a4a05c3ad01b6dbcc84cb366591d3f0c8839e228b8b93d4440c21c3867ed6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.105
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling wasm-bindgen v0.2.105
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.105
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.105
[INFO] [stderr]     Checking js-sys v0.3.82
[INFO] [stderr]     Checking web-sys v0.3.82
[INFO] [stderr]     Checking rs_web_component v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:19:23
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Value(fn() -> Box<(dyn Component + 'static)>),
[INFO] [stdout]    |                       ^                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -     Value(fn() -> Box<(dyn Component + 'static)>),
[INFO] [stdout] 19 +     Value(fn() -> Box<dyn Component + 'static >),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |     ValueV2(fn() -> Box<(dyn ComponentV2 + 'static)>),
[INFO] [stdout]    |                         ^                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 -     ValueV2(fn() -> Box<(dyn ComponentV2 + 'static)>),
[INFO] [stdout] 20 +     ValueV2(fn() -> Box<dyn ComponentV2 + 'static >),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `None` is never constructed
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum ConstructorVal {
[INFO] [stdout]    |      -------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 21 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:19:23
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Value(fn() -> Box<(dyn Component + 'static)>),
[INFO] [stdout]    |                       ^                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -     Value(fn() -> Box<(dyn Component + 'static)>),
[INFO] [stdout] 19 +     Value(fn() -> Box<dyn Component + 'static >),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:20:25
[INFO] [stdout]    |
[INFO] [stdout] 20 |     ValueV2(fn() -> Box<(dyn ComponentV2 + 'static)>),
[INFO] [stdout]    |                         ^                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 -     ValueV2(fn() -> Box<(dyn ComponentV2 + 'static)>),
[INFO] [stdout] 20 +     ValueV2(fn() -> Box<dyn ComponentV2 + 'static >),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `None` is never constructed
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum ConstructorVal {
[INFO] [stdout]    |      -------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 21 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.78s
[INFO] running `Command { std: "docker" "inspect" "1d4a4a05c3ad01b6dbcc84cb366591d3f0c8839e228b8b93d4440c21c3867ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d4a4a05c3ad01b6dbcc84cb366591d3f0c8839e228b8b93d4440c21c3867ed6", kill_on_drop: false }`
[INFO] [stdout] 1d4a4a05c3ad01b6dbcc84cb366591d3f0c8839e228b8b93d4440c21c3867ed6