[INFO] fetching crate mrml-wasm 1.2.3... [INFO] checking mrml-wasm-1.2.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate mrml-wasm 1.2.3 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate mrml-wasm 1.2.3 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 mrml-wasm 1.2.3 [INFO] finished tweaking crates.io crate mrml-wasm 1.2.3 [INFO] tweaked toml for crates.io crate mrml-wasm 1.2.3 written to /workspace/builds/worker-0-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 35 packages [INFO] [stderr] Adding mrml v1.2.11 (latest: v3.1.3) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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 mrml v1.2.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b77dbef16632afc37d50d00cb8a737cbd64ad96d1fbe48636f8a0cbe03845e95 [INFO] running `Command { std: "docker" "start" "-a" "b77dbef16632afc37d50d00cb8a737cbd64ad96d1fbe48636f8a0cbe03845e95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b77dbef16632afc37d50d00cb8a737cbd64ad96d1fbe48636f8a0cbe03845e95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b77dbef16632afc37d50d00cb8a737cbd64ad96d1fbe48636f8a0cbe03845e95", kill_on_drop: false }` [INFO] [stdout] b77dbef16632afc37d50d00cb8a737cbd64ad96d1fbe48636f8a0cbe03845e95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3626e89b367a26676b27277acb0a0b201dd149f4834040cfd2a4e6667e8f3580 [INFO] running `Command { std: "docker" "start" "-a" "3626e89b367a26676b27277acb0a0b201dd149f4834040cfd2a4e6667e8f3580", kill_on_drop: false }` [INFO] [stderr] Checking xmlparser v0.13.6 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.92 [INFO] [stderr] Compiling wasm-bindgen-test-macro v0.3.42 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.92 [INFO] [stderr] Checking mrml v1.2.11 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.92 [INFO] [stderr] Checking wasm-bindgen v0.2.92 [INFO] [stderr] Checking console_error_panic_hook v0.1.7 [INFO] [stderr] Checking js-sys v0.3.69 [INFO] [stderr] Checking mrml-wasm v1.2.3 (/opt/rustwide/workdir) [INFO] [stderr] Checking wasm-bindgen-futures v0.4.42 [INFO] [stderr] Checking wasm-bindgen-test v0.3.42 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.01s [INFO] running `Command { std: "docker" "inspect" "3626e89b367a26676b27277acb0a0b201dd149f4834040cfd2a4e6667e8f3580", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3626e89b367a26676b27277acb0a0b201dd149f4834040cfd2a4e6667e8f3580", kill_on_drop: false }` [INFO] [stdout] 3626e89b367a26676b27277acb0a0b201dd149f4834040cfd2a4e6667e8f3580 [INFO] checking mrml-wasm-1.2.3 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate mrml-wasm 1.2.3 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate mrml-wasm 1.2.3 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 mrml-wasm 1.2.3 [INFO] finished tweaking crates.io crate mrml-wasm 1.2.3 [INFO] tweaked toml for crates.io crate mrml-wasm 1.2.3 written to /workspace/builds/worker-0-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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f7c74ff5667044727694f2ce6b0d4fdf1ff33c8e05913765bc2acacf5a0bf729 [INFO] running `Command { std: "docker" "start" "-a" "f7c74ff5667044727694f2ce6b0d4fdf1ff33c8e05913765bc2acacf5a0bf729", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f7c74ff5667044727694f2ce6b0d4fdf1ff33c8e05913765bc2acacf5a0bf729", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7c74ff5667044727694f2ce6b0d4fdf1ff33c8e05913765bc2acacf5a0bf729", kill_on_drop: false }` [INFO] [stdout] f7c74ff5667044727694f2ce6b0d4fdf1ff33c8e05913765bc2acacf5a0bf729 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a7de0eeff20fd0ddd70875c45a06ceb6f98207b981586e0d047a4f8dec4648c9 [INFO] running `Command { std: "docker" "start" "-a" "a7de0eeff20fd0ddd70875c45a06ceb6f98207b981586e0d047a4f8dec4648c9", kill_on_drop: false }` [INFO] [stderr] Compiling wasm-bindgen v0.2.92 [INFO] [stderr] Checking xmlparser v0.13.6 [INFO] [stderr] Checking scoped-tls v1.0.1 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.92 [INFO] [stderr] Compiling wasm-bindgen-test-macro v0.3.42 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a7de0eeff20fd0ddd70875c45a06ceb6f98207b981586e0d047a4f8dec4648c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7de0eeff20fd0ddd70875c45a06ceb6f98207b981586e0d047a4f8dec4648c9", kill_on_drop: false }` [INFO] [stdout] a7de0eeff20fd0ddd70875c45a06ceb6f98207b981586e0d047a4f8dec4648c9