[INFO] fetching crate ctest2 0.4.3...
[INFO] documenting ctest2-0.4.3 against try#6fd27704e643b25711e6a97ec2b04873b411b97d for pr-96676
[INFO] extracting crate ctest2 0.4.3 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate ctest2 0.4.3 on toolchain 6fd27704e643b25711e6a97ec2b04873b411b97d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ctest2 0.4.3
[INFO] finished tweaking crates.io crate ctest2 0.4.3
[INFO] tweaked toml for crates.io crate ctest2 0.4.3 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2a13f0c16038777a9149c03750db1b88addb7d81928e85aff10eb3138c6d113
[INFO] running `Command { std: "docker" "start" "-a" "e2a13f0c16038777a9149c03750db1b88addb7d81928e85aff10eb3138c6d113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2a13f0c16038777a9149c03750db1b88addb7d81928e85aff10eb3138c6d113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2a13f0c16038777a9149c03750db1b88addb7d81928e85aff10eb3138c6d113", kill_on_drop: false }`
[INFO] [stdout] e2a13f0c16038777a9149c03750db1b88addb7d81928e85aff10eb3138c6d113
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6e24b15495f38adb52919dfd3efcab78de1bb1d2287a50faae4c6ded8955328
[INFO] running `Command { std: "docker" "start" "-a" "a6e24b15495f38adb52919dfd3efcab78de1bb1d2287a50faae4c6ded8955328", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cc v1.0.73
[INFO] [stderr]     Checking rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.18
[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 garando_pos v0.1.0
[INFO] [stderr]     Checking garando_errors v0.1.0
[INFO] [stderr]     Checking garando_syntax v0.1.0
[INFO] [stderr]  Documenting ctest2 v0.4.3 (/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 `garando_syntax::ast::FieldPat`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::codemap::Spanned<garando_syntax::ast::FieldPat>`
[INFO] [stdout]   = note: required because it appears within the type `*const garando_syntax::codemap::Spanned<garando_syntax::ast::FieldPat>`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::NonNull<garando_syntax::codemap::Spanned<garando_syntax::ast::FieldPat>>`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::Unique<garando_syntax::codemap::Spanned<garando_syntax::ast::FieldPat>>`
[INFO] [stdout]   = note: required because it appears within the type `alloc::raw_vec::RawVec<garando_syntax::codemap::Spanned<garando_syntax::ast::FieldPat>>`
[INFO] [stdout]   = note: required because it appears within the type `std::vec::Vec<garando_syntax::codemap::Spanned<garando_syntax::ast::FieldPat>>`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ast::PatKind`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ast::Pat`
[INFO] [stdout]   = note: required because it appears within the type `*const garando_syntax::ast::Pat`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::NonNull<garando_syntax::ast::Pat>`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::Unique<garando_syntax::ast::Pat>`
[INFO] [stdout]   = note: required because it appears within the type `std::boxed::Box<garando_syntax::ast::Pat>`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ptr::P<garando_syntax::ast::Pat>`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ast::Local`
[INFO] [stdout]   = note: required because it appears within the type `*const garando_syntax::ast::Local`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::NonNull<garando_syntax::ast::Local>`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::Unique<garando_syntax::ast::Local>`
[INFO] [stdout]   = note: required because it appears within the type `std::boxed::Box<garando_syntax::ast::Local>`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ptr::P<garando_syntax::ast::Local>`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ast::StmtKind`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ast::Stmt`
[INFO] [stdout]   = note: required because it appears within the type `*const garando_syntax::ast::Stmt`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::NonNull<garando_syntax::ast::Stmt>`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::Unique<garando_syntax::ast::Stmt>`
[INFO] [stdout]   = note: required because it appears within the type `alloc::raw_vec::RawVec<garando_syntax::ast::Stmt>`
[INFO] [stdout]   = note: required because it appears within the type `std::vec::Vec<garando_syntax::ast::Stmt>`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ast::Block`
[INFO] [stdout]   = note: required because it appears within the type `*const garando_syntax::ast::Block`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::NonNull<garando_syntax::ast::Block>`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::Unique<garando_syntax::ast::Block>`
[INFO] [stdout]   = note: required because it appears within the type `std::boxed::Box<garando_syntax::ast::Block>`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ptr::P<garando_syntax::ast::Block>`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ast::ExprKind`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ast::Expr`
[INFO] [stdout]   = note: required because it appears within the type `*const garando_syntax::ast::Expr`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::NonNull<garando_syntax::ast::Expr>`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::Unique<garando_syntax::ast::Expr>`
[INFO] [stdout]   = note: required because it appears within the type `std::boxed::Box<garando_syntax::ast::Expr>`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ptr::P<garando_syntax::ast::Expr>`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ast::TyKind`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ast::Ty`
[INFO] [stdout]   = note: required because it appears within the type `*const garando_syntax::ast::Ty`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::NonNull<garando_syntax::ast::Ty>`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::Unique<garando_syntax::ast::Ty>`
[INFO] [stdout]   = note: required because it appears within the type `std::boxed::Box<garando_syntax::ast::Ty>`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ptr::P<garando_syntax::ast::Ty>`
[INFO] [stdout]   = note: required because it appears within the type `*const garando_syntax::ptr::P<garando_syntax::ast::Ty>`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::NonNull<garando_syntax::ptr::P<garando_syntax::ast::Ty>>`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::Unique<garando_syntax::ptr::P<garando_syntax::ast::Ty>>`
[INFO] [stdout]   = note: required because it appears within the type `alloc::raw_vec::RawVec<garando_syntax::ptr::P<garando_syntax::ast::Ty>>`
[INFO] [stdout]   = note: required because it appears within the type `std::vec::Vec<garando_syntax::ptr::P<garando_syntax::ast::Ty>>`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ast::AngleBracketedParameterData`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ast::PathParameters`
[INFO] [stdout]   = note: required because it appears within the type `*const garando_syntax::ast::PathParameters`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::NonNull<garando_syntax::ast::PathParameters>`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::Unique<garando_syntax::ast::PathParameters>`
[INFO] [stdout]   = note: required because it appears within the type `std::boxed::Box<garando_syntax::ast::PathParameters>`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ptr::P<garando_syntax::ast::PathParameters>`
[INFO] [stdout]   = note: required because it appears within the type `std::option::Option<garando_syntax::ptr::P<garando_syntax::ast::PathParameters>>`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ast::PathSegment`
[INFO] [stdout]   = note: required because it appears within the type `*const garando_syntax::ast::PathSegment`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::NonNull<garando_syntax::ast::PathSegment>`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::Unique<garando_syntax::ast::PathSegment>`
[INFO] [stdout]   = note: required because it appears within the type `alloc::raw_vec::RawVec<garando_syntax::ast::PathSegment>`
[INFO] [stdout]   = note: required because it appears within the type `std::vec::Vec<garando_syntax::ast::PathSegment>`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ast::Path`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ast::Attribute`
[INFO] [stdout]   = note: required because it appears within the type `*const garando_syntax::ast::Attribute`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::NonNull<garando_syntax::ast::Attribute>`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::Unique<garando_syntax::ast::Attribute>`
[INFO] [stdout]   = note: required because it appears within the type `alloc::raw_vec::RawVec<garando_syntax::ast::Attribute>`
[INFO] [stdout]   = note: required because it appears within the type `std::vec::Vec<garando_syntax::ast::Attribute>`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ast::Item`
[INFO] [stdout]   = note: required because it appears within the type `*const garando_syntax::ast::Item`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::NonNull<garando_syntax::ast::Item>`
[INFO] [stdout]   = note: required because it appears within the type `std::ptr::Unique<garando_syntax::ast::Item>`
[INFO] [stdout]   = note: required because it appears within the type `std::boxed::Box<garando_syntax::ast::Item>`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::ptr::P<garando_syntax::ast::Item>`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::parse::token::Nonterminal`
[INFO] [stdout]   = note: required because of the requirements on the impl of `std::panic::UnwindSafe` for `std::rc::Rc<garando_syntax::parse::token::Nonterminal>`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::parse::token::Token`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::tokenstream::TokenTree`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::tokenstream::TokenStreamKind`
[INFO] [stdout]   = note: required because it appears within the type `garando_syntax::tokenstream::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=4bf90face3b94c98 -L dependency=/opt/rustwide/target/debug/deps --extern cc=/opt/rustwide/target/debug/deps/libcc-932fe16b0fc89a5e.rmeta --extern garando_syntax=/opt/rustwide/target/debug/deps/libgarando_syntax-adc94ef4ed8af612.rmeta --extern rustc_version=/opt/rustwide/target/debug/deps/librustc_version-26e0d3aea10baf27.rmeta --cap-lints=forbid --crate-version 0.4.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a6e24b15495f38adb52919dfd3efcab78de1bb1d2287a50faae4c6ded8955328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6e24b15495f38adb52919dfd3efcab78de1bb1d2287a50faae4c6ded8955328", kill_on_drop: false }`
[INFO] [stdout] a6e24b15495f38adb52919dfd3efcab78de1bb1d2287a50faae4c6ded8955328