[INFO] fetching crate trait-cast 0.4.0...
[INFO] testing trait-cast-0.4.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate trait-cast 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate trait-cast 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate trait-cast 0.4.0
[INFO] tweaked toml for crates.io crate trait-cast 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate trait-cast 0.4.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate trait-cast 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `lints.clippy.doc-markdown` is deprecated in favor of `lints.clippy.doc_markdown` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: duplicate lint `doc-markdown` in `[lints.clippy]`, conflicts with `doc_markdown` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.array-into-iter` is deprecated in favor of `lints.rust.array_into_iter` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.bare-trait-objects` is deprecated in favor of `lints.rust.bare_trait_objects` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.ellipsis-inclusive-range-patterns` is deprecated in favor of `lints.rust.ellipsis_inclusive_range_patterns` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.explicit-outlives-requirements` is deprecated in favor of `lints.rust.explicit_outlives_requirements` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.future-incompatible` is deprecated in favor of `lints.rust.future_incompatible` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.non-fmt-panics` is deprecated in favor of `lints.rust.non_fmt_panics` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.nonstandard-style` is deprecated in favor of `lints.rust.nonstandard_style` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.rust-2024-compatibility` is deprecated in favor of `lints.rust.rust_2024_compatibility` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.unused-extern-crates` is deprecated in favor of `lints.rust.unused_extern_crates` and will not work in a future edition
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]    --> Cargo.toml:121:12
[INFO] [stderr]     |
[INFO] [stderr] 121 | homepage = "https://github.com/ink-feather-org/trait-cast-rs"
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 126 | repository = "https://github.com/ink-feather-org/trait-cast-rs"
[INFO] [stderr]     |              --------------------------------------------------
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `trait-cast` (manifest) generated 12 warnings
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2d0cd186b4ea30d49167ffd02ae7e075aef996b1c5ef8fd7d423f0fde2e6c57d
[INFO] running `Command { std: "docker" "start" "2d0cd186b4ea30d49167ffd02ae7e075aef996b1c5ef8fd7d423f0fde2e6c57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d0cd186b4ea30d49167ffd02ae7e075aef996b1c5ef8fd7d423f0fde2e6c57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2d0cd186b4ea30d49167ffd02ae7e075aef996b1c5ef8fd7d423f0fde2e6c57d" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d0cd186b4ea30d49167ffd02ae7e075aef996b1c5ef8fd7d423f0fde2e6c57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2d0cd186b4ea30d49167ffd02ae7e075aef996b1c5ef8fd7d423f0fde2e6c57d" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `lints.clippy.doc-markdown` is deprecated in favor of `lints.clippy.doc_markdown` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: duplicate lint `doc-markdown` in `[lints.clippy]`, conflicts with `doc_markdown` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.array-into-iter` is deprecated in favor of `lints.rust.array_into_iter` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.bare-trait-objects` is deprecated in favor of `lints.rust.bare_trait_objects` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.ellipsis-inclusive-range-patterns` is deprecated in favor of `lints.rust.ellipsis_inclusive_range_patterns` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.explicit-outlives-requirements` is deprecated in favor of `lints.rust.explicit_outlives_requirements` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.future-incompatible` is deprecated in favor of `lints.rust.future_incompatible` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.non-fmt-panics` is deprecated in favor of `lints.rust.non_fmt_panics` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.nonstandard-style` is deprecated in favor of `lints.rust.nonstandard_style` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.rust-2024-compatibility` is deprecated in favor of `lints.rust.rust_2024_compatibility` and will not work in a future edition
[INFO] [stderr] warning: Cargo.toml: `lints.rust.unused-extern-crates` is deprecated in favor of `lints.rust.unused_extern_crates` and will not work in a future edition
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]    --> Cargo.toml:121:12
[INFO] [stderr]     |
[INFO] [stderr] 121 | homepage = "https://github.com/ink-feather-org/trait-cast-rs"
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 126 | repository = "https://github.com/ink-feather-org/trait-cast-rs"
[INFO] [stderr]     |              --------------------------------------------------
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `trait-cast` (manifest) generated 12 warnings
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling winnow v0.6.24
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling toml_edit v0.23.9
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling cargo-manifest-proc-macros v0.4.3
[INFO] [stderr]    Compiling trait-cast-macros v0.4.0
[INFO] [stderr]    Compiling trait-cast v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | / #![feature(
[INFO] [stdout]  9 | |   const_type_name,    // Needed for `Debug` implementation
[INFO] [stdout] 10 | |   min_specialization, // Needed to unify the interface between downcast and traitcast (could be avoided with !Trait bounds or trai...
[INFO] [stdout] 11 | |   ptr_metadata,       // Needed to deal with pointer address(and provenance) separately from metadata
[INFO] [stdout] 12 | |   doc_cfg             // For nicer Docs
[INFO] [stdout] 13 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trait-cast` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2d0cd186b4ea30d49167ffd02ae7e075aef996b1c5ef8fd7d423f0fde2e6c57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d0cd186b4ea30d49167ffd02ae7e075aef996b1c5ef8fd7d423f0fde2e6c57d", kill_on_drop: false }`
[INFO] [stdout] 2d0cd186b4ea30d49167ffd02ae7e075aef996b1c5ef8fd7d423f0fde2e6c57d
