[INFO] fetching crate enumx 0.4.3... [INFO] checking enumx-0.4.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate enumx 0.4.3 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate enumx 0.4.3 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 enumx 0.4.3 [INFO] finished tweaking crates.io crate enumx 0.4.3 [INFO] tweaked toml for crates.io crate enumx 0.4.3 written to /workspace/builds/worker-6-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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 9 packages [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 syn v1.0.109 (latest: v2.0.58) [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 enumx_derive v0.4.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6b2bc26ffdac77b18dd51c9db26c672859d27d32fe45fcba0a708f7f074a89d0 [INFO] running `Command { std: "docker" "start" "-a" "6b2bc26ffdac77b18dd51c9db26c672859d27d32fe45fcba0a708f7f074a89d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6b2bc26ffdac77b18dd51c9db26c672859d27d32fe45fcba0a708f7f074a89d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b2bc26ffdac77b18dd51c9db26c672859d27d32fe45fcba0a708f7f074a89d0", kill_on_drop: false }` [INFO] [stdout] 6b2bc26ffdac77b18dd51c9db26c672859d27d32fe45fcba0a708f7f074a89d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4f315703065033473cd936a4e83fa7703668782ba48e45fc0a8a9f3e245f5f90 [INFO] running `Command { std: "docker" "start" "-a" "4f315703065033473cd936a4e83fa7703668782ba48e45fc0a8a9f3e245f5f90", kill_on_drop: false }` [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling enumx_derive v0.4.2 [INFO] [stderr] Checking enumx v0.4.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `FromVariant as _` [INFO] [stdout] --> src/lib.rs:43:13 [INFO] [stdout] | [INFO] [stdout] 43 | FromVariant as _, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FromVariant as _` [INFO] [stdout] --> src/lib.rs:43:13 [INFO] [stdout] | [INFO] [stdout] 43 | FromVariant as _, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ESI0` is never constructed [INFO] [stdout] --> tests/syntax.rs:105:12 [INFO] [stdout] | [INFO] [stdout] 105 | struct ESI0; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ESI1` is never constructed [INFO] [stdout] --> tests/syntax.rs:113:12 [INFO] [stdout] | [INFO] [stdout] 113 | struct ESI1; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.57s [INFO] running `Command { std: "docker" "inspect" "4f315703065033473cd936a4e83fa7703668782ba48e45fc0a8a9f3e245f5f90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f315703065033473cd936a4e83fa7703668782ba48e45fc0a8a9f3e245f5f90", kill_on_drop: false }` [INFO] [stdout] 4f315703065033473cd936a4e83fa7703668782ba48e45fc0a8a9f3e245f5f90 [INFO] checking enumx-0.4.3 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate enumx 0.4.3 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate enumx 0.4.3 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 enumx 0.4.3 [INFO] finished tweaking crates.io crate enumx 0.4.3 [INFO] tweaked toml for crates.io crate enumx 0.4.3 written to /workspace/builds/worker-6-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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5bcb0f7dfe7879f510194ea679b243a6a876a83610a0537770b94ff0b4ddf57d [INFO] running `Command { std: "docker" "start" "-a" "5bcb0f7dfe7879f510194ea679b243a6a876a83610a0537770b94ff0b4ddf57d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5bcb0f7dfe7879f510194ea679b243a6a876a83610a0537770b94ff0b4ddf57d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bcb0f7dfe7879f510194ea679b243a6a876a83610a0537770b94ff0b4ddf57d", kill_on_drop: false }` [INFO] [stdout] 5bcb0f7dfe7879f510194ea679b243a6a876a83610a0537770b94ff0b4ddf57d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 03d7b905fa5977572e135710a3551e54f7c10239641c510adbab3523fddb7b22 [INFO] running `Command { std: "docker" "start" "-a" "03d7b905fa5977572e135710a3551e54f7c10239641c510adbab3523fddb7b22", kill_on_drop: false }` [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling enumx_derive v0.4.2 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/enumx_derive-0.4.2/src/lib.rs:1141:5 [INFO] [stdout] | [INFO] [stdout] 1141 | / if let Some( item_enum ) = item_enum { [INFO] [stdout] 1142 | | let enum_ident = &item_enum.ident; [INFO] [stdout] 1143 | | iterative_impl.self_ty = Some( parse_quote!( #enum_ident )); [INFO] [stdout] ... | [INFO] [stdout] 1183 | | panic!( "{}", "The enum's variants are unknown to `def_impls!{}`. Consider using `_def!{}` to provide the variants of the enum de... [INFO] [stdout] 1184 | | }; [INFO] [stdout] | |_____^ cannot infer type [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 E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `enumx_derive` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "03d7b905fa5977572e135710a3551e54f7c10239641c510adbab3523fddb7b22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03d7b905fa5977572e135710a3551e54f7c10239641c510adbab3523fddb7b22", kill_on_drop: false }` [INFO] [stdout] 03d7b905fa5977572e135710a3551e54f7c10239641c510adbab3523fddb7b22