[INFO] fetching crate trait_cast_rs 0.2.4...
[INFO] documenting trait_cast_rs-0.2.4 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate trait_cast_rs 0.2.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate trait_cast_rs 0.2.4 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trait_cast_rs 0.2.4
[INFO] finished tweaking crates.io crate trait_cast_rs 0.2.4
[INFO] tweaked toml for crates.io crate trait_cast_rs 0.2.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate trait_cast_rs 0.2.4 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded venial v0.4.0
[INFO] [stderr]   Downloaded const_closure v0.2.3
[INFO] [stderr]   Downloaded trait_cast_impl_rs v0.2.1
[INFO] [stderr]   Downloaded const_sort_rs v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfe8c3562af23fcba426c7b29091572c81bc6d6f90d4bf0c442fa95b348e69ec
[INFO] running `Command { std: "docker" "start" "-a" "cfe8c3562af23fcba426c7b29091572c81bc6d6f90d4bf0c442fa95b348e69ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfe8c3562af23fcba426c7b29091572c81bc6d6f90d4bf0c442fa95b348e69ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfe8c3562af23fcba426c7b29091572c81bc6d6f90d4bf0c442fa95b348e69ec", kill_on_drop: false }`
[INFO] [stdout] cfe8c3562af23fcba426c7b29091572c81bc6d6f90d4bf0c442fa95b348e69ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e0009327854777a1285767d2cc21469ab7dc80945ae1c0897278382a1c97624
[INFO] running `Command { std: "docker" "start" "-a" "0e0009327854777a1285767d2cc21469ab7dc80945ae1c0897278382a1c97624", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling venial v0.4.0
[INFO] [stderr]    Compiling trait_cast_impl_rs v0.2.1
[INFO] [stderr]  Documenting trait_cast_rs v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / #![feature(
[INFO] [stdout] 7  | |   const_type_id,      // Needed to enable `TraitcastTarget::create` to be const
[INFO] [stdout] 8  | |   const_type_name,    // Needed for `Debug` implementation
[INFO] [stdout] 9  | |   trait_upcasting,    // Needed to avoid reimplementing Any
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |   doc_cfg             // For nicer Docs
[INFO] [stdout] 13 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `trait_cast_rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name trait_cast_rs src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="alloc"' --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e00f72d5b2c7555f -L dependency=/opt/rustwide/target/debug/deps --extern trait_cast_impl_rs=/opt/rustwide/target/debug/deps/libtrait_cast_impl_rs-36b95ac5fa66c90c.so --cap-lints=warn --crate-version 0.2.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "0e0009327854777a1285767d2cc21469ab7dc80945ae1c0897278382a1c97624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e0009327854777a1285767d2cc21469ab7dc80945ae1c0897278382a1c97624", kill_on_drop: false }`
[INFO] [stdout] 0e0009327854777a1285767d2cc21469ab7dc80945ae1c0897278382a1c97624
[INFO] documenting trait_cast_rs-0.2.4 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate trait_cast_rs 0.2.4 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate trait_cast_rs 0.2.4 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trait_cast_rs 0.2.4
[INFO] finished tweaking crates.io crate trait_cast_rs 0.2.4
[INFO] tweaked toml for crates.io crate trait_cast_rs 0.2.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate trait_cast_rs 0.2.4 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59eef570e8424e5993b9f7d1501b099e664e219effeff0722ec671e9c0a13697
[INFO] running `Command { std: "docker" "start" "-a" "59eef570e8424e5993b9f7d1501b099e664e219effeff0722ec671e9c0a13697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59eef570e8424e5993b9f7d1501b099e664e219effeff0722ec671e9c0a13697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59eef570e8424e5993b9f7d1501b099e664e219effeff0722ec671e9c0a13697", kill_on_drop: false }`
[INFO] [stdout] 59eef570e8424e5993b9f7d1501b099e664e219effeff0722ec671e9c0a13697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 975a1f4f3ad6f0e081cf22bd3e4de2a7a8e9659cdbbb8d46963a50bfe6d859c9
[INFO] running `Command { std: "docker" "start" "-a" "975a1f4f3ad6f0e081cf22bd3e4de2a7a8e9659cdbbb8d46963a50bfe6d859c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling venial v0.4.0
[INFO] [stderr]    Compiling trait_cast_impl_rs v0.2.1
[INFO] [stderr]  Documenting trait_cast_rs v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / #![feature(
[INFO] [stdout] 7  | |   const_type_id,      // Needed to enable `TraitcastTarget::create` to be const
[INFO] [stdout] 8  | |   const_type_name,    // Needed for `Debug` implementation
[INFO] [stdout] 9  | |   trait_upcasting,    // Needed to avoid reimplementing Any
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |   doc_cfg             // For nicer Docs
[INFO] [stdout] 13 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `trait_upcasting` has been stable since `1.76.0` and no longer requires an attribute to enable
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `trait_cast_rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name trait_cast_rs src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="alloc"' --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e97845804455e61c -L dependency=/opt/rustwide/target/debug/deps --extern trait_cast_impl_rs=/opt/rustwide/target/debug/deps/libtrait_cast_impl_rs-0df01972162fb0c0.so --cap-lints=warn --crate-version 0.2.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "975a1f4f3ad6f0e081cf22bd3e4de2a7a8e9659cdbbb8d46963a50bfe6d859c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "975a1f4f3ad6f0e081cf22bd3e4de2a7a8e9659cdbbb8d46963a50bfe6d859c9", kill_on_drop: false }`
[INFO] [stdout] 975a1f4f3ad6f0e081cf22bd3e4de2a7a8e9659cdbbb8d46963a50bfe6d859c9
