[INFO] fetching crate ctest2 0.4.5...
[INFO] documenting ctest2-0.4.5 against master#c04832643d70479988a3ad9d92b63d9bc95e9c6d for pr-107291
[INFO] extracting crate ctest2 0.4.5 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ctest2 0.4.5 on toolchain c04832643d70479988a3ad9d92b63d9bc95e9c6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c04832643d70479988a3ad9d92b63d9bc95e9c6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ctest2 0.4.5
[INFO] finished tweaking crates.io crate ctest2 0.4.5
[INFO] tweaked toml for crates.io crate ctest2 0.4.5 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+c04832643d70479988a3ad9d92b63d9bc95e9c6d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c04832643d70479988a3ad9d92b63d9bc95e9c6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded garando_syntax v0.1.0
[INFO] [stderr]   Downloaded garando_errors v0.1.0
[INFO] [stderr]   Downloaded garando_pos v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:542af8c9c691278ea8427c9f55ce1005b509eeebcbbcbc893145cd6832507671" "/opt/rustwide/cargo-home/bin/cargo" "+c04832643d70479988a3ad9d92b63d9bc95e9c6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f917fb2b63176f50e0986105b6200da9f54124129fa7e3afa60f674f9b74bf47
[INFO] running `Command { std: "docker" "start" "-a" "f917fb2b63176f50e0986105b6200da9f54124129fa7e3afa60f674f9b74bf47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f917fb2b63176f50e0986105b6200da9f54124129fa7e3afa60f674f9b74bf47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f917fb2b63176f50e0986105b6200da9f54124129fa7e3afa60f674f9b74bf47", kill_on_drop: false }`
[INFO] [stdout] f917fb2b63176f50e0986105b6200da9f54124129fa7e3afa60f674f9b74bf47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:542af8c9c691278ea8427c9f55ce1005b509eeebcbbcbc893145cd6832507671" "/opt/rustwide/cargo-home/bin/cargo" "+c04832643d70479988a3ad9d92b63d9bc95e9c6d" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fdca03951c3a27caa56412a9be6cc7256e5249b70be4c82311c1d9bf41813ec
[INFO] running `Command { std: "docker" "start" "-a" "4fdca03951c3a27caa56412a9be6cc7256e5249b70be4c82311c1d9bf41813ec", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]     Checking cc v1.0.79
[INFO] [stderr]     Checking semver v1.0.16
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rustc_version v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]     Checking serde v1.0.152
[INFO] [stderr]     Checking garando_pos v0.1.0
[INFO] [stderr]     Checking serde_json v1.0.92
[INFO] [stderr]     Checking garando_errors v0.1.0
[INFO] [stderr]     Checking garando_syntax v0.1.0
[INFO] [stderr]  Documenting ctest2 v0.4.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0275]: overflow evaluating the requirement `garando_syntax::util::ThinVec<garando_syntax::ast::Attribute>: std::panic::RefUnwindSafe`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`ctest2`)
[INFO] [stdout]   = note: required because it appears within the type `FieldPat`
[INFO] [stdout]   = note: required because it appears within the type `Spanned<FieldPat>`
[INFO] [stdout]   = note: required because it appears within the type `*const Spanned<FieldPat>`
[INFO] [stdout]   = note: required because it appears within the type `NonNull<Spanned<FieldPat>>`
[INFO] [stdout]   = note: required because it appears within the type `Unique<Spanned<FieldPat>>`
[INFO] [stdout]   = note: required because it appears within the type `RawVec<Spanned<FieldPat>>`
[INFO] [stdout]   = note: required because it appears within the type `Vec<Spanned<FieldPat>>`
[INFO] [stdout]   = note: required because it appears within the type `PatKind`
[INFO] [stdout]   = note: required because it appears within the type `Pat`
[INFO] [stdout]   = note: required because it appears within the type `*const Pat`
[INFO] [stdout]   = note: required because it appears within the type `NonNull<Pat>`
[INFO] [stdout]   = note: required because it appears within the type `Unique<Pat>`
[INFO] [stdout]   = note: required because it appears within the type `Box<Pat>`
[INFO] [stdout]   = note: required because it appears within the type `P<Pat>`
[INFO] [stdout]   = note: required because it appears within the type `Local`
[INFO] [stdout]   = note: required because it appears within the type `*const Local`
[INFO] [stdout]   = note: required because it appears within the type `NonNull<Local>`
[INFO] [stdout]   = note: required because it appears within the type `Unique<Local>`
[INFO] [stdout]   = note: required because it appears within the type `Box<Local>`
[INFO] [stdout]   = note: required because it appears within the type `P<Local>`
[INFO] [stdout]   = note: required because it appears within the type `StmtKind`
[INFO] [stdout]   = note: required because it appears within the type `Stmt`
[INFO] [stdout]   = note: required because it appears within the type `*const Stmt`
[INFO] [stdout]   = note: required because it appears within the type `NonNull<Stmt>`
[INFO] [stdout]   = note: required because it appears within the type `Unique<Stmt>`
[INFO] [stdout]   = note: required because it appears within the type `RawVec<Stmt>`
[INFO] [stdout]   = note: required because it appears within the type `Vec<Stmt>`
[INFO] [stdout]   = note: required because it appears within the type `Block`
[INFO] [stdout]   = note: required because it appears within the type `*const Block`
[INFO] [stdout]   = note: required because it appears within the type `NonNull<Block>`
[INFO] [stdout]   = note: required because it appears within the type `Unique<Block>`
[INFO] [stdout]   = note: required because it appears within the type `Box<Block>`
[INFO] [stdout]   = note: required because it appears within the type `P<Block>`
[INFO] [stdout]   = note: required because it appears within the type `ExprKind`
[INFO] [stdout]   = note: required because it appears within the type `Expr`
[INFO] [stdout]   = note: required because it appears within the type `*const Expr`
[INFO] [stdout]   = note: required because it appears within the type `NonNull<Expr>`
[INFO] [stdout]   = note: required because it appears within the type `Unique<Expr>`
[INFO] [stdout]   = note: required because it appears within the type `Box<Expr>`
[INFO] [stdout]   = note: required because it appears within the type `P<Expr>`
[INFO] [stdout]   = note: required because it appears within the type `TyKind`
[INFO] [stdout]   = note: required because it appears within the type `Ty`
[INFO] [stdout]   = note: required because it appears within the type `*const Ty`
[INFO] [stdout]   = note: required because it appears within the type `NonNull<Ty>`
[INFO] [stdout]   = note: required because it appears within the type `Unique<Ty>`
[INFO] [stdout]   = note: required because it appears within the type `Box<Ty>`
[INFO] [stdout]   = note: required because it appears within the type `P<Ty>`
[INFO] [stdout]   = note: required because it appears within the type `*const P<Ty>`
[INFO] [stdout]   = note: required because it appears within the type `NonNull<P<Ty>>`
[INFO] [stdout]   = note: required because it appears within the type `Unique<P<Ty>>`
[INFO] [stdout]   = note: required because it appears within the type `RawVec<P<Ty>>`
[INFO] [stdout]   = note: required because it appears within the type `Vec<P<Ty>>`
[INFO] [stdout]   = note: required because it appears within the type `AngleBracketedParameterData`
[INFO] [stdout]   = note: required because it appears within the type `PathParameters`
[INFO] [stdout]   = note: required because it appears within the type `*const PathParameters`
[INFO] [stdout]   = note: required because it appears within the type `NonNull<PathParameters>`
[INFO] [stdout]   = note: required because it appears within the type `Unique<PathParameters>`
[INFO] [stdout]   = note: required because it appears within the type `Box<PathParameters>`
[INFO] [stdout]   = note: required because it appears within the type `P<PathParameters>`
[INFO] [stdout]   = note: required because it appears within the type `Option<P<PathParameters>>`
[INFO] [stdout]   = note: required because it appears within the type `PathSegment`
[INFO] [stdout]   = note: required because it appears within the type `*const PathSegment`
[INFO] [stdout]   = note: required because it appears within the type `NonNull<PathSegment>`
[INFO] [stdout]   = note: required because it appears within the type `Unique<PathSegment>`
[INFO] [stdout]   = note: required because it appears within the type `RawVec<PathSegment>`
[INFO] [stdout]   = note: required because it appears within the type `Vec<PathSegment>`
[INFO] [stdout]   = note: required because it appears within the type `Path`
[INFO] [stdout]   = note: required because it appears within the type `Attribute`
[INFO] [stdout]   = note: required because it appears within the type `*const Attribute`
[INFO] [stdout]   = note: required because it appears within the type `NonNull<Attribute>`
[INFO] [stdout]   = note: required because it appears within the type `Unique<Attribute>`
[INFO] [stdout]   = note: required because it appears within the type `RawVec<Attribute>`
[INFO] [stdout]   = note: required because it appears within the type `Vec<Attribute>`
[INFO] [stdout]   = note: required because it appears within the type `Item`
[INFO] [stdout]   = note: required because it appears within the type `*const Item`
[INFO] [stdout]   = note: required because it appears within the type `NonNull<Item>`
[INFO] [stdout]   = note: required because it appears within the type `Unique<Item>`
[INFO] [stdout]   = note: required because it appears within the type `Box<Item>`
[INFO] [stdout]   = note: required because it appears within the type `P<Item>`
[INFO] [stdout]   = note: required because it appears within the type `Nonterminal`
[INFO] [stdout]   = note: required for `std::rc::Rc<garando_syntax::parse::token::Nonterminal>` to implement `std::panic::UnwindSafe`
[INFO] [stdout]   = note: required because it appears within the type `Token`
[INFO] [stdout]   = note: required because it appears within the type `TokenTree`
[INFO] [stdout]   = note: required because it appears within the type `TokenStreamKind`
[INFO] [stdout]   = note: required because it appears within the type `TokenStream`
[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 E0275`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `ctest2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name ctest2 src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=19c2999b71252d08 -L dependency=/opt/rustwide/target/debug/deps --extern cc=/opt/rustwide/target/debug/deps/libcc-2c2d07fe74ba145f.rmeta --extern garando_syntax=/opt/rustwide/target/debug/deps/libgarando_syntax-190cd957726fbed7.rmeta --extern rustc_version=/opt/rustwide/target/debug/deps/librustc_version-3d58692aed4b786e.rmeta --cap-lints=forbid --crate-version 0.4.5` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "4fdca03951c3a27caa56412a9be6cc7256e5249b70be4c82311c1d9bf41813ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fdca03951c3a27caa56412a9be6cc7256e5249b70be4c82311c1d9bf41813ec", kill_on_drop: false }`
[INFO] [stdout] 4fdca03951c3a27caa56412a9be6cc7256e5249b70be4c82311c1d9bf41813ec