[INFO] fetching crate oxide-spark-utils 0.3.3...
[INFO] checking oxide-spark-utils-0.3.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate oxide-spark-utils 0.3.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate oxide-spark-utils 0.3.3 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 oxide-spark-utils 0.3.3
[INFO] finished tweaking crates.io crate oxide-spark-utils 0.3.3
[INFO] tweaked toml for crates.io crate oxide-spark-utils 0.3.3 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 111 packages
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding config v0.13.4 (latest: v0.14.0)
[INFO] [stderr]       Adding dlv-list v0.3.0 (latest: v0.5.2)
[INFO] [stderr]       Adding embedded-io v0.4.0 (latest: v0.6.1)
[INFO] [stderr]       Adding embedded-svc v0.25.3 (latest: v0.27.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding hash32 v0.2.1 (latest: v0.3.1)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding heapless v0.7.17 (latest: v0.8.0)
[INFO] [stderr]       Adding heck v0.3.3 (latest: v0.5.0)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding no-std-net v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding num_enum v0.5.11 (latest: v0.7.2)
[INFO] [stderr]       Adding num_enum_derive v0.5.11 (latest: v0.7.2)
[INFO] [stderr]       Adding ordered-multimap v0.4.3 (latest: v0.7.3)
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (latest: v3.1.0)
[INFO] [stderr]       Adding ron v0.7.1 (latest: v0.8.1)
[INFO] [stderr]       Adding rust-ini v0.18.0 (latest: v0.21.0)
[INFO] [stderr]       Adding smart-leds v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding smart-leds-trait v0.2.1 (latest: v0.3.0)
[INFO] [stderr]       Adding strum v0.23.0 (latest: v0.26.2)
[INFO] [stderr]       Adding strum v0.25.0 (latest: v0.26.2)
[INFO] [stderr]       Adding strum_macros v0.23.1 (latest: v0.26.2)
[INFO] [stderr]       Adding strum_macros v0.25.3 (latest: v0.26.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.12)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.9)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[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 strum v0.23.0
[INFO] [stderr]   Downloaded embedded-io v0.4.0
[INFO] [stderr]   Downloaded smart-leds-trait v0.2.1
[INFO] [stderr]   Downloaded no-std-net v0.5.0
[INFO] [stderr]   Downloaded smart-leds v0.3.0
[INFO] [stderr]   Downloaded embedded-svc v0.25.3
[INFO] [stderr]   Downloaded strum_macros v0.23.1
[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] e170c9b253ebba33682829a3ab8a01049b4ba1d96e792be3e379f1f3b6093e3a
[INFO] running `Command { std: "docker" "start" "-a" "e170c9b253ebba33682829a3ab8a01049b4ba1d96e792be3e379f1f3b6093e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e170c9b253ebba33682829a3ab8a01049b4ba1d96e792be3e379f1f3b6093e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e170c9b253ebba33682829a3ab8a01049b4ba1d96e792be3e379f1f3b6093e3a", kill_on_drop: false }`
[INFO] [stdout] e170c9b253ebba33682829a3ab8a01049b4ba1d96e792be3e379f1f3b6093e3a
[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] a599a6a44b84f3e912406c2b12a27c67b128bf52f1ed60941db41b60d132913e
[INFO] running `Command { std: "docker" "start" "-a" "a599a6a44b84f3e912406c2b12a27c67b128bf52f1ed60941db41b60d132913e", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking dlv-list v0.3.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking pest v2.7.9
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]     Checking embedded-io v0.4.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking rgb v0.8.37
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking smart-leds-trait v0.2.1
[INFO] [stderr]     Checking smart-leds v0.3.0
[INFO] [stderr]     Checking ordered-multimap v0.4.3
[INFO] [stderr]     Checking rust-ini v0.18.0
[INFO] [stderr]    Compiling pest_meta v2.7.9
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]    Compiling pest_generator v2.7.9
[INFO] [stderr]    Compiling darling_macro v0.20.8
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]    Compiling pest_derive v2.7.9
[INFO] [stderr]    Compiling darling v0.20.8
[INFO] [stderr]     Checking ron v0.7.1
[INFO] [stderr]     Checking no-std-net v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]    Compiling enumset_derive v0.8.1
[INFO] [stderr]     Checking json5 v0.4.1
[INFO] [stderr]     Checking config v0.13.4
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]     Checking strum v0.23.0
[INFO] [stderr]     Checking enumset v1.1.3
[INFO] [stderr]     Checking embedded-svc v0.25.3
[INFO] [stderr]     Checking oxide-spark-utils v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `Command { std: "docker" "inspect" "a599a6a44b84f3e912406c2b12a27c67b128bf52f1ed60941db41b60d132913e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a599a6a44b84f3e912406c2b12a27c67b128bf52f1ed60941db41b60d132913e", kill_on_drop: false }`
[INFO] [stdout] a599a6a44b84f3e912406c2b12a27c67b128bf52f1ed60941db41b60d132913e
[INFO] checking oxide-spark-utils-0.3.3 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate oxide-spark-utils 0.3.3 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate oxide-spark-utils 0.3.3 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 oxide-spark-utils 0.3.3
[INFO] finished tweaking crates.io crate oxide-spark-utils 0.3.3
[INFO] tweaked toml for crates.io crate oxide-spark-utils 0.3.3 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] 659e4b4e04e18b81429305205ae8c3b5252dbf3a0645409c01dd36d1b101e0e9
[INFO] running `Command { std: "docker" "start" "-a" "659e4b4e04e18b81429305205ae8c3b5252dbf3a0645409c01dd36d1b101e0e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "659e4b4e04e18b81429305205ae8c3b5252dbf3a0645409c01dd36d1b101e0e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "659e4b4e04e18b81429305205ae8c3b5252dbf3a0645409c01dd36d1b101e0e9", kill_on_drop: false }`
[INFO] [stdout] 659e4b4e04e18b81429305205ae8c3b5252dbf3a0645409c01dd36d1b101e0e9
[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] 3d59f8323a694b85bafc15d09ca400ff35c6f7ac878d0908d3f20d609fb296de
[INFO] running `Command { std: "docker" "start" "-a" "3d59f8323a694b85bafc15d09ca400ff35c6f7ac878d0908d3f20d609fb296de", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking dlv-list v0.3.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking pest v2.7.9
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking rgb v0.8.37
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking embedded-io v0.4.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking smart-leds-trait v0.2.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking smart-leds v0.3.0
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]     Checking ordered-multimap v0.4.3
[INFO] [stderr]     Checking rust-ini v0.18.0
[INFO] [stderr]    Compiling pest_meta v2.7.9
[INFO] [stderr]    Compiling darling_macro v0.20.8
[INFO] [stderr]    Compiling pest_generator v2.7.9
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]    Compiling darling v0.20.8
[INFO] [stderr]    Compiling enumset_derive v0.8.1
[INFO] [stderr]    Compiling pest_derive v2.7.9
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/enumset_derive-0.8.1/src/lib.rs:212:21
[INFO] [stdout]     |
[INFO] [stdout] 212 |                     error(expr.span(), "Enum discriminants must not be negative.")?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `T` declared on the function `error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/enumset_derive-0.8.1/src/lib.rs:283:13
[INFO] [stdout]     |
[INFO] [stdout] 283 | /             error(
[INFO] [stdout] 284 | |                 largest_discriminant_span,
[INFO] [stdout] 285 | |                 "`repr` is too small to contain the largest discriminant.",
[INFO] [stdout] 286 | |             )?;
[INFO] [stdout]     | |_____________^ cannot infer type for type parameter `T` declared on the function `error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `enumset_derive` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3d59f8323a694b85bafc15d09ca400ff35c6f7ac878d0908d3f20d609fb296de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d59f8323a694b85bafc15d09ca400ff35c6f7ac878d0908d3f20d609fb296de", kill_on_drop: false }`
[INFO] [stdout] 3d59f8323a694b85bafc15d09ca400ff35c6f7ac878d0908d3f20d609fb296de