[INFO] fetching crate custom-elements 0.2.0... [INFO] checking custom-elements-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate custom-elements 0.2.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate custom-elements 0.2.0 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 custom-elements 0.2.0 [INFO] finished tweaking crates.io crate custom-elements 0.2.0 [INFO] tweaked toml for crates.io crate custom-elements 0.2.0 written to /workspace/builds/worker-1-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 16 packages [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] 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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2bcc57db9f3b589c33bf38f5319eacbbdbe3f0bbdf81b1c90b1b7b89cb0e4a03 [INFO] running `Command { std: "docker" "start" "-a" "2bcc57db9f3b589c33bf38f5319eacbbdbe3f0bbdf81b1c90b1b7b89cb0e4a03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2bcc57db9f3b589c33bf38f5319eacbbdbe3f0bbdf81b1c90b1b7b89cb0e4a03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2bcc57db9f3b589c33bf38f5319eacbbdbe3f0bbdf81b1c90b1b7b89cb0e4a03", kill_on_drop: false }` [INFO] [stdout] 2bcc57db9f3b589c33bf38f5319eacbbdbe3f0bbdf81b1c90b1b7b89cb0e4a03 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a13ee5c3ab5c57910f0d62f606963f6ab6c78d5b1be63dc3e06b330570446524 [INFO] running `Command { std: "docker" "start" "-a" "a13ee5c3ab5c57910f0d62f606963f6ab6c78d5b1be63dc3e06b330570446524", kill_on_drop: false }` [INFO] [stderr] Checking web-sys v0.3.69 [INFO] [stderr] Checking custom-elements v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `UnwrapThrowExt` is imported redundantly [INFO] [stdout] --> src/lib.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 51 | use wasm_bindgen::prelude::*; [INFO] [stdout] | ------------------------ the item `UnwrapThrowExt` is already imported here [INFO] [stdout] 52 | use wasm_bindgen::UnwrapThrowExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `UnwrapThrowExt` is imported redundantly [INFO] [stdout] --> src/lib.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 51 | use wasm_bindgen::prelude::*; [INFO] [stdout] | ------------------------ the item `UnwrapThrowExt` is already imported here [INFO] [stdout] 52 | use wasm_bindgen::UnwrapThrowExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `HtmlElementConstructor` should have an upper case name [INFO] [stdout] --> src/lib.rs:308:16 [INFO] [stdout] | [INFO] [stdout] 308 | pub static HtmlElementConstructor: js_sys::Function; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `HTML_ELEMENT_CONSTRUCTOR` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `HtmlElementConstructor` should have an upper case name [INFO] [stdout] --> src/lib.rs:308:16 [INFO] [stdout] | [INFO] [stdout] 308 | pub static HtmlElementConstructor: js_sys::Function; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `HTML_ELEMENT_CONSTRUCTOR` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.50s [INFO] running `Command { std: "docker" "inspect" "a13ee5c3ab5c57910f0d62f606963f6ab6c78d5b1be63dc3e06b330570446524", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a13ee5c3ab5c57910f0d62f606963f6ab6c78d5b1be63dc3e06b330570446524", kill_on_drop: false }` [INFO] [stdout] a13ee5c3ab5c57910f0d62f606963f6ab6c78d5b1be63dc3e06b330570446524 [INFO] checking custom-elements-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate custom-elements 0.2.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate custom-elements 0.2.0 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 custom-elements 0.2.0 [INFO] finished tweaking crates.io crate custom-elements 0.2.0 [INFO] tweaked toml for crates.io crate custom-elements 0.2.0 written to /workspace/builds/worker-1-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] 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a0161455b0fe1e33ef4c90b1491f43eab13e61b3d40822a725c0b6c8f2c468c3 [INFO] running `Command { std: "docker" "start" "-a" "a0161455b0fe1e33ef4c90b1491f43eab13e61b3d40822a725c0b6c8f2c468c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a0161455b0fe1e33ef4c90b1491f43eab13e61b3d40822a725c0b6c8f2c468c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0161455b0fe1e33ef4c90b1491f43eab13e61b3d40822a725c0b6c8f2c468c3", kill_on_drop: false }` [INFO] [stdout] a0161455b0fe1e33ef4c90b1491f43eab13e61b3d40822a725c0b6c8f2c468c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2abcc053b0d8d999ba3caf5762d9c4d9e1be95cec32daca26a45a455c170902c [INFO] running `Command { std: "docker" "start" "-a" "2abcc053b0d8d999ba3caf5762d9c4d9e1be95cec32daca26a45a455c170902c", kill_on_drop: false }` [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.92 [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::().is_ok() { [INFO] [stdout] 304 | | let ident = input.parse::()?.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] [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] running `Command { std: "docker" "inspect" "2abcc053b0d8d999ba3caf5762d9c4d9e1be95cec32daca26a45a455c170902c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2abcc053b0d8d999ba3caf5762d9c4d9e1be95cec32daca26a45a455c170902c", kill_on_drop: false }` [INFO] [stdout] 2abcc053b0d8d999ba3caf5762d9c4d9e1be95cec32daca26a45a455c170902c