[INFO] fetching crate typ 0.1.1...
[INFO] documenting typ-0.1.1 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate typ 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate typ 0.1.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate typ 0.1.1
[INFO] finished tweaking crates.io crate typ 0.1.1
[INFO] tweaked toml for crates.io crate typ 0.1.1 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" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 471e012ee046ba5f1a9d9a6d6b993ce4c97b83f604c744f53687a132ed45c64c
[INFO] running `Command { std: "docker" "start" "-a" "471e012ee046ba5f1a9d9a6d6b993ce4c97b83f604c744f53687a132ed45c64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "471e012ee046ba5f1a9d9a6d6b993ce4c97b83f604c744f53687a132ed45c64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "471e012ee046ba5f1a9d9a6d6b993ce4c97b83f604c744f53687a132ed45c64c", kill_on_drop: false }`
[INFO] [stdout] 471e012ee046ba5f1a9d9a6d6b993ce4c97b83f604c744f53687a132ed45c64c
[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=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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1126bc4a2d322c4a3c5af39411ebcec836f75307e7d4e54d92273c0c350fd878
[INFO] running `Command { std: "docker" "start" "-a" "1126bc4a2d322c4a3c5af39411ebcec836f75307e7d4e54d92273c0c350fd878", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking by_address v1.1.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]  Documenting typ v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(hash_set_entry)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[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 `typ`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type proc-macro --crate-name typ src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8d85379b7858bc41 -L dependency=/opt/rustwide/target/debug/deps --extern by_address=/opt/rustwide/target/debug/deps/libby_address-c3aa2ee3bb09e903.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-87306980a5530fe0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-7728a5cde6301295.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1bc556be54688c37.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-44762e16f83d10ff.rmeta --extern radix_trie=/opt/rustwide/target/debug/deps/libradix_trie-574a04cef06997d0.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-6ef12ce64f86da08.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1126bc4a2d322c4a3c5af39411ebcec836f75307e7d4e54d92273c0c350fd878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1126bc4a2d322c4a3c5af39411ebcec836f75307e7d4e54d92273c0c350fd878", kill_on_drop: false }`
[INFO] [stdout] 1126bc4a2d322c4a3c5af39411ebcec836f75307e7d4e54d92273c0c350fd878
