[INFO] fetching crate soliterm-model 0.1.0...
[INFO] documenting soliterm-model-0.1.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate soliterm-model 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate soliterm-model 0.1.0 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 soliterm-model 0.1.0
[INFO] finished tweaking crates.io crate soliterm-model 0.1.0
[INFO] tweaked toml for crates.io crate soliterm-model 0.1.0 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" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert2-macros v0.3.11
[INFO] [stderr]   Downloaded velcro_macros v0.5.4
[INFO] [stderr]   Downloaded velcro v0.5.4
[INFO] [stderr]   Downloaded velcro_core v0.5.4
[INFO] [stderr]   Downloaded assert2 v0.3.11
[INFO] [stderr]   Downloaded rstest_macros v0.14.0
[INFO] [stderr]   Downloaded permutations v0.1.1
[INFO] [stderr]   Downloaded rstest v0.15.0
[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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53d85519fe5acf75ca37a9dadf4a36707a12bd88b793ad36cd128e666a4a46de
[INFO] running `Command { std: "docker" "start" "-a" "53d85519fe5acf75ca37a9dadf4a36707a12bd88b793ad36cd128e666a4a46de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53d85519fe5acf75ca37a9dadf4a36707a12bd88b793ad36cd128e666a4a46de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53d85519fe5acf75ca37a9dadf4a36707a12bd88b793ad36cd128e666a4a46de", kill_on_drop: false }`
[INFO] [stdout] 53d85519fe5acf75ca37a9dadf4a36707a12bd88b793ad36cd128e666a4a46de
[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" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 118e3d3feaf898cc419ebf07768aac32616ec16dcb3127088c0c36c56c0e3863
[INFO] running `Command { std: "docker" "start" "-a" "118e3d3feaf898cc419ebf07768aac32616ec16dcb3127088c0c36c56c0e3863", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking permutations v0.1.1
[INFO] [stderr]    Compiling enum-map-derive v0.17.0
[INFO] [stderr]     Checking enum-map v2.7.3
[INFO] [stderr]    Compiling velcro_core v0.5.4
[INFO] [stderr]    Compiling velcro_macros v0.5.4
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking velcro v0.5.4
[INFO] [stderr]  Documenting soliterm-model v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / #![feature(
[INFO] [stdout] 22 | |     array_windows,
[INFO] [stdout] 23 | |     exhaustive_patterns,
[INFO] [stdout] 24 | |     extend_one,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     type_alias_impl_trait
[INFO] [stdout] 30 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/deal.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |     type Iter = impl Iterator<Item = tableau::Index>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/enums.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |       type Iter = impl Iterator<Item = Self>
[INFO] [stdout]    |  _________________^
[INFO] [stdout] 31 | |         + DoubleEndedIterator<Item = Self>
[INFO] [stdout] 32 | |         + ExactSizeIterator<Item = Self>;
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/piles/cards.rs:82:21
[INFO] [stdout]    |
[INFO] [stdout] 82 |       type IntoIter = impl Iterator<Item = Self::Item>
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 83 | |         + DoubleEndedIterator<Item = Self::Item>
[INFO] [stdout] 84 | |         + ExactSizeIterator<Item = Self::Item>;
[INFO] [stdout]    | |______________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/piles/cards.rs:93:21
[INFO] [stdout]    |
[INFO] [stdout] 93 |       type IntoIter = impl Iterator<Item = Self::Item>
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 94 | |         + DoubleEndedIterator<Item = Self::Item>
[INFO] [stdout] 95 | |         + ExactSizeIterator<Item = Self::Item>;
[INFO] [stdout]    | |______________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/piles/split.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 |       type IntoIter = impl Iterator<Item = Self::Item>
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 80 | |         + DoubleEndedIterator<Item = Self::Item>
[INFO] [stdout] 81 | |         + ExactSizeIterator<Item = Self::Item>;
[INFO] [stdout]    | |______________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/piles/split.rs:90:21
[INFO] [stdout]    |
[INFO] [stdout] 90 |       type IntoIter = impl Iterator<Item = Self::Item>
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 91 | |         + DoubleEndedIterator<Item = Self::Item>
[INFO] [stdout] 92 | |         + ExactSizeIterator<Item = Self::Item>;
[INFO] [stdout]    | |______________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/piles/split.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |       type IntoIter = impl Iterator<Item = Self::Item>
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 102 | |         + DoubleEndedIterator<Item = Self::Item>
[INFO] [stdout] 103 | |         + ExactSizeIterator<Item = Self::Item>;
[INFO] [stdout]     | |______________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/piles/split.rs:112:21
[INFO] [stdout]     |
[INFO] [stdout] 112 |       type IntoIter = impl Iterator<Item = Self::Item>
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 113 | |         + DoubleEndedIterator<Item = Self::Item>
[INFO] [stdout] 114 | |         + ExactSizeIterator<Item = Self::Item>;
[INFO] [stdout]     | |______________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/piles/split.rs:123:21
[INFO] [stdout]     |
[INFO] [stdout] 123 |       type IntoIter = impl Iterator<Item = Self::Item>
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 124 | |         + DoubleEndedIterator<Item = Self::Item>
[INFO] [stdout] 125 | |         + ExactSizeIterator<Item = Self::Item>;
[INFO] [stdout]     | |______________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/piles/split.rs:134:21
[INFO] [stdout]     |
[INFO] [stdout] 134 |       type IntoIter = impl Iterator<Item = Self::Item>
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 135 | |         + DoubleEndedIterator<Item = Self::Item>
[INFO] [stdout] 136 | |         + ExactSizeIterator<Item = Self::Item>;
[INFO] [stdout]     | |______________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `soliterm-model`
[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 soliterm_model src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3a95275d90075d8a -L dependency=/opt/rustwide/target/debug/deps --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-a037313749f4a271.so --extern enum_map=/opt/rustwide/target/debug/deps/libenum_map-eebbfb117b11bfa4.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-dbd7922ddc771bc2.rmeta --extern permutations=/opt/rustwide/target/debug/deps/libpermutations-2f1410a05fad065d.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-84eed1b77a990a3c.rmeta --extern seq_macro=/opt/rustwide/target/debug/deps/libseq_macro-bf3b780898af29d8.so --extern velcro=/opt/rustwide/target/debug/deps/libvelcro-1e5eaec52bb00248.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "118e3d3feaf898cc419ebf07768aac32616ec16dcb3127088c0c36c56c0e3863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "118e3d3feaf898cc419ebf07768aac32616ec16dcb3127088c0c36c56c0e3863", kill_on_drop: false }`
[INFO] [stdout] 118e3d3feaf898cc419ebf07768aac32616ec16dcb3127088c0c36c56c0e3863
