[INFO] fetching crate awint_dag 0.13.0...
[INFO] documenting awint_dag-0.13.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate awint_dag 0.13.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate awint_dag 0.13.0 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 awint_dag 0.13.0
[INFO] finished tweaking crates.io crate awint_dag 0.13.0
[INFO] tweaked toml for crates.io crate awint_dag 0.13.0 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" "+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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded triple_arena v0.12.1
[INFO] [stderr]   Downloaded awint_internals v0.13.0
[INFO] [stderr]   Downloaded awint_core v0.13.0
[INFO] [stderr]   Downloaded awint_ext v0.13.0
[INFO] [stderr]   Downloaded awint_macro_internals v0.13.0
[INFO] [stderr]   Downloaded awint_macros v0.13.0
[INFO] [stderr]   Downloaded recasting v0.2.1
[INFO] [stderr]   Downloaded triple_arena_render v0.12.0
[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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f6a3a6814db99eecd724ac3bb4868cea3b621ad6bc39982aa53a6ac4fe8afbe
[INFO] running `Command { std: "docker" "start" "-a" "7f6a3a6814db99eecd724ac3bb4868cea3b621ad6bc39982aa53a6ac4fe8afbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f6a3a6814db99eecd724ac3bb4868cea3b621ad6bc39982aa53a6ac4fe8afbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f6a3a6814db99eecd724ac3bb4868cea3b621ad6bc39982aa53a6ac4fe8afbe", kill_on_drop: false }`
[INFO] [stdout] 7f6a3a6814db99eecd724ac3bb4868cea3b621ad6bc39982aa53a6ac4fe8afbe
[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=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] 6be40f56290b0fb8d9b76cfd5d1e571ebee33762cc54be5114d02968f6d85587
[INFO] running `Command { std: "docker" "start" "-a" "6be40f56290b0fb8d9b76cfd5d1e571ebee33762cc54be5114d02968f6d85587", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling recasting v0.2.1
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking triple_arena v0.12.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling awint_internals v0.13.0
[INFO] [stderr]     Checking awint_core v0.13.0
[INFO] [stderr]     Checking awint_ext v0.13.0
[INFO] [stderr]     Checking awint_macro_internals v0.13.0
[INFO] [stderr]    Compiling awint_macros v0.13.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]  Documenting awint_dag v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:196:38
[INFO] [stdout]     |
[INFO] [stdout] 196 | #![cfg_attr(feature = "try_support", feature(try_trait_v2))]
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:197:38
[INFO] [stdout]     |
[INFO] [stdout] 197 | #![cfg_attr(feature = "try_support", feature(try_trait_v2_residual))]
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:198:38
[INFO] [stdout]     |
[INFO] [stdout] 198 | #![cfg_attr(feature = "try_support", feature(never_type))]
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `awint_dag`
[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=2021 --crate-type lib --crate-name awint_dag src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="try_support"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2c1f32c029bdd11d -L dependency=/opt/rustwide/target/debug/deps --extern awint_ext=/opt/rustwide/target/debug/deps/libawint_ext-49552bceec5cadd5.rmeta --extern awint_macro_internals=/opt/rustwide/target/debug/deps/libawint_macro_internals-5e227c5db6169b08.rmeta --extern awint_macros=/opt/rustwide/target/debug/deps/libawint_macros-f477ace15dc061b8.so --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-538bc9f176ceeeb1.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-3a363482faf4dc11.rmeta --cap-lints=warn --crate-version 0.13.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6be40f56290b0fb8d9b76cfd5d1e571ebee33762cc54be5114d02968f6d85587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6be40f56290b0fb8d9b76cfd5d1e571ebee33762cc54be5114d02968f6d85587", kill_on_drop: false }`
[INFO] [stdout] 6be40f56290b0fb8d9b76cfd5d1e571ebee33762cc54be5114d02968f6d85587
