[INFO] fetching crate hooks-yew 1.0.0-alpha.2...
[INFO] checking hooks-yew-1.0.0-alpha.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate hooks-yew 1.0.0-alpha.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate hooks-yew 1.0.0-alpha.2 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hooks-yew 1.0.0-alpha.2
[INFO] finished tweaking crates.io crate hooks-yew 1.0.0-alpha.2
[INFO] tweaked toml for crates.io crate hooks-yew 1.0.0-alpha.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 60 packages
[INFO] [stderr]       Adding darling v0.14.4 (latest: v0.20.8)
[INFO] [stderr]       Adding darling_core v0.14.4 (latest: v0.20.8)
[INFO] [stderr]       Adding darling_macro v0.14.4 (latest: v0.20.8)
[INFO] [stderr]       Adding gloo v0.4.2 (latest: v0.11.0)
[INFO] [stderr]       Adding gloo-console v0.2.3 (latest: v0.3.0)
[INFO] [stderr]       Adding gloo-dialogs v0.1.1 (latest: v0.2.0)
[INFO] [stderr]       Adding gloo-events v0.1.2 (latest: v0.2.0)
[INFO] [stderr]       Adding gloo-file v0.2.3 (latest: v0.3.0)
[INFO] [stderr]       Adding gloo-render v0.1.1 (latest: v0.2.0)
[INFO] [stderr]       Adding gloo-storage v0.2.2 (latest: v0.3.0)
[INFO] [stderr]       Adding gloo-timers v0.2.6 (latest: v0.3.0)
[INFO] [stderr]       Adding gloo-utils v0.1.7 (latest: v0.2.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding yew v0.19.3 (latest: v0.21.0)
[INFO] [stderr]       Adding yew-macro v0.19.3 (latest: v0.21.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scoped-tls-hkt v0.1.4
[INFO] [stderr]   Downloaded hooks-derive-core v1.0.0-alpha.8
[INFO] [stderr]   Downloaded hooks v1.0.0-alpha.21
[INFO] [stderr]   Downloaded hooks-derive v1.0.0-alpha.8
[INFO] [stderr]   Downloaded hooks-yew-derive v1.0.0-alpha.1
[INFO] [stderr]   Downloaded hooks-core v1.0.0-alpha.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c552242ce7a57ca7e38f41d2baf28cd43140c67cc4a611de49b546e20ce2ffd
[INFO] running `Command { std: "docker" "start" "-a" "3c552242ce7a57ca7e38f41d2baf28cd43140c67cc4a611de49b546e20ce2ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c552242ce7a57ca7e38f41d2baf28cd43140c67cc4a611de49b546e20ce2ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c552242ce7a57ca7e38f41d2baf28cd43140c67cc4a611de49b546e20ce2ffd", kill_on_drop: false }`
[INFO] [stdout] 3c552242ce7a57ca7e38f41d2baf28cd43140c67cc4a611de49b546e20ce2ffd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40d1ac8086d1c10ee57c2ad4b134724449611521393fe784c982d4b1151c9910
[INFO] running `Command { std: "docker" "start" "-a" "40d1ac8086d1c10ee57c2ad4b134724449611521393fe784c982d4b1151c9910", kill_on_drop: false }`
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]     Checking hooks-core v1.0.0-alpha.10
[INFO] [stderr]     Checking scoped-tls-hkt v0.1.4
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking gloo-timers v0.2.6
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling yew-macro v0.19.3
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling hooks-derive-core v1.0.0-alpha.8
[INFO] [stderr]    Compiling hooks-yew-derive v1.0.0-alpha.1
[INFO] [stderr]    Compiling hooks-derive v1.0.0-alpha.8
[INFO] [stderr]     Checking hooks v1.0.0-alpha.21
[INFO] [stderr]     Checking gloo-utils v0.1.7
[INFO] [stderr]     Checking gloo-events v0.1.2
[INFO] [stderr]     Checking gloo-dialogs v0.1.1
[INFO] [stderr]     Checking gloo-render v0.1.1
[INFO] [stderr]     Checking gloo-file v0.2.3
[INFO] [stderr]     Checking gloo-console v0.2.3
[INFO] [stderr]     Checking gloo-storage v0.2.2
[INFO] [stderr]     Checking gloo v0.4.2
[INFO] [stderr]     Checking yew v0.19.3
[INFO] [stderr]     Checking hooks-yew v1.0.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.96s
[INFO] running `Command { std: "docker" "inspect" "40d1ac8086d1c10ee57c2ad4b134724449611521393fe784c982d4b1151c9910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40d1ac8086d1c10ee57c2ad4b134724449611521393fe784c982d4b1151c9910", kill_on_drop: false }`
[INFO] [stdout] 40d1ac8086d1c10ee57c2ad4b134724449611521393fe784c982d4b1151c9910
[INFO] checking hooks-yew-1.0.0-alpha.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate hooks-yew 1.0.0-alpha.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate hooks-yew 1.0.0-alpha.2 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hooks-yew 1.0.0-alpha.2
[INFO] finished tweaking crates.io crate hooks-yew 1.0.0-alpha.2
[INFO] tweaked toml for crates.io crate hooks-yew 1.0.0-alpha.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bad0488951a0fa033113199b4c16df235e86a75642947968d9b4b2ee0ebbb835
[INFO] running `Command { std: "docker" "start" "-a" "bad0488951a0fa033113199b4c16df235e86a75642947968d9b4b2ee0ebbb835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bad0488951a0fa033113199b4c16df235e86a75642947968d9b4b2ee0ebbb835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bad0488951a0fa033113199b4c16df235e86a75642947968d9b4b2ee0ebbb835", kill_on_drop: false }`
[INFO] [stdout] bad0488951a0fa033113199b4c16df235e86a75642947968d9b4b2ee0ebbb835
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c346cf38f68853955908a09aa0350ae834711a65c7748cce3e34f685490d2132
[INFO] running `Command { std: "docker" "start" "-a" "c346cf38f68853955908a09aa0350ae834711a65c7748cce3e34f685490d2132", kill_on_drop: false }`
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking hooks-core v1.0.0-alpha.10
[INFO] [stderr]     Checking scoped-tls-hkt v0.1.4
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasm-bindgen-macro-support-0.2.92/src/parser.rs:303:17
[INFO] [stdout]     |
[INFO] [stdout] 303 | /                 if input.parse::<Token![=]>().is_ok() {
[INFO] [stdout] 304 | |                     let ident = input.parse::<AnyIdent>()?.0;
[INFO] [stdout] 305 | |                     return Ok(BindgenAttr::$variant(attr_span, Some(ident)))
[INFO] [stdout] 306 | |                 } else {
[INFO] [stdout] 307 | |                     return Ok(BindgenAttr::$variant(attr_span, None));
[INFO] [stdout] 308 | |                 }
[INFO] [stdout]     | |_________________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 363 |           attrgen!(parsers);
[INFO] [stdout]     |           ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `parsers` which comes from the expansion of the macro `attrgen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling yew-macro v0.19.3
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasm-bindgen-macro-support` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c346cf38f68853955908a09aa0350ae834711a65c7748cce3e34f685490d2132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c346cf38f68853955908a09aa0350ae834711a65c7748cce3e34f685490d2132", kill_on_drop: false }`
[INFO] [stdout] c346cf38f68853955908a09aa0350ae834711a65c7748cce3e34f685490d2132