[INFO] fetching crate const-str 0.5.3...
[INFO] documenting const-str-0.5.3 against 1.66.0 for beta-1.67-rustdoc-3
[INFO] extracting crate const-str 0.5.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate const-str 0.5.3 on toolchain 1.66.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.66.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate const-str 0.5.3
[INFO] finished tweaking crates.io crate const-str 0.5.3
[INFO] tweaked toml for crates.io crate const-str 0.5.3 written to /workspace/builds/worker-5-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" "+1.66.0" "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" "+1.66.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const-str-proc-macro v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+1.66.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52ed0700b36a31de1ae75a4a1e3691e044cfbcc047e912b9be57384a5a6e4ec4
[INFO] running `Command { std: "docker" "start" "-a" "52ed0700b36a31de1ae75a4a1e3691e044cfbcc047e912b9be57384a5a6e4ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52ed0700b36a31de1ae75a4a1e3691e044cfbcc047e912b9be57384a5a6e4ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52ed0700b36a31de1ae75a4a1e3691e044cfbcc047e912b9be57384a5a6e4ec4", kill_on_drop: false }`
[INFO] [stdout] 52ed0700b36a31de1ae75a4a1e3691e044cfbcc047e912b9be57384a5a6e4ec4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+1.66.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56d62ea01692618ca1a9e216a67d22900b7d02feb1518c43be9765f0fa6520ac
[INFO] running `Command { std: "docker" "start" "-a" "56d62ea01692618ca1a9e216a67d22900b7d02feb1518c43be9765f0fa6520ac", kill_on_drop: false }`
[INFO] [stderr]  Documenting const-str v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "56d62ea01692618ca1a9e216a67d22900b7d02feb1518c43be9765f0fa6520ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56d62ea01692618ca1a9e216a67d22900b7d02feb1518c43be9765f0fa6520ac", kill_on_drop: false }`
[INFO] [stdout] 56d62ea01692618ca1a9e216a67d22900b7d02feb1518c43be9765f0fa6520ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+1.66.0" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87513513330b2bc4398319296060e04352818356d4b0847ba47a62f7993497d9
[INFO] running `Command { std: "docker" "start" "-a" "87513513330b2bc4398319296060e04352818356d4b0847ba47a62f7993497d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bytes v1.3.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling const-str-proc-macro v0.5.3
[INFO] [stderr]  Documenting const-str v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `const_char_from_u32_unchecked`
[INFO] [stdout]   --> src/lib.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     feature(const_char_from_u32_unchecked), // https://github.com/rust-lang/rust/issues/89259
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `const-str`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name const_str src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="all"' --cfg 'feature="case"' --cfg 'feature="default"' --cfg 'feature="http"' --cfg 'feature="proc"' --cfg 'feature="regex"' --cfg 'feature="std"' --cfg 'feature="unstable"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -C metadata=9970ca659e5a8377 -L dependency=/opt/rustwide/target/debug/deps --extern const_str_proc_macro=/opt/rustwide/target/debug/deps/libconst_str_proc_macro-c39b3313dc30aa58.so --extern-html-root-url 'const_str_proc_macro=https://docs.rs/const-str-proc-macro/0.5.3/' -Zunstable-options --cap-lints=warn --crate-version 0.5.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "87513513330b2bc4398319296060e04352818356d4b0847ba47a62f7993497d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87513513330b2bc4398319296060e04352818356d4b0847ba47a62f7993497d9", kill_on_drop: false }`
[INFO] [stdout] 87513513330b2bc4398319296060e04352818356d4b0847ba47a62f7993497d9