[INFO] fetching crate xcell-core 0.1.0...
[INFO] documenting xcell-core-0.1.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate xcell-core 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate xcell-core 0.1.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xcell-core 0.1.0
[INFO] finished tweaking crates.io crate xcell-core 0.1.0
[INFO] tweaked toml for crates.io crate xcell-core 0.1.0 written to /workspace/builds/worker-2-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" "+1.69.0" "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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stream-io v0.0.0
[INFO] [stderr]   Downloaded codepage v0.1.1
[INFO] [stderr]   Downloaded async-walkdir v0.2.0
[INFO] [stderr]   Downloaded calamine v0.19.1
[INFO] [stderr]   Downloaded diagnostic v0.4.3
[INFO] [stderr]   Downloaded peginator v0.6.0
[INFO] [stderr]   Downloaded vlq-rust v0.4.0
[INFO] [stderr]   Downloaded xcell-errors v0.1.2
[INFO] [stderr]   Downloaded xcell-types v0.2.1
[INFO] [stderr]   Downloaded csscolorparser v0.6.2
[INFO] [stderr]   Downloaded serde-types v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a4ec45179e18339a5d3ff90dd79487ad04ab7110d2cc77af9337e2a5c67594b
[INFO] running `Command { std: "docker" "start" "-a" "6a4ec45179e18339a5d3ff90dd79487ad04ab7110d2cc77af9337e2a5c67594b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a4ec45179e18339a5d3ff90dd79487ad04ab7110d2cc77af9337e2a5c67594b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a4ec45179e18339a5d3ff90dd79487ad04ab7110d2cc77af9337e2a5c67594b", kill_on_drop: false }`
[INFO] [stdout] 6a4ec45179e18339a5d3ff90dd79487ad04ab7110d2cc77af9337e2a5c67594b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c61818399711ac2eb810f75e01e1d36f22613fcecaa3e030330e527e453cb173
[INFO] running `Command { std: "docker" "start" "-a" "c61818399711ac2eb810f75e01e1d36f22613fcecaa3e030330e527e453cb173", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling uncased v0.9.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking bstr v1.4.0
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking iana-time-zone v0.1.56
[INFO] [stderr]     Checking async-channel v1.8.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking atomic-waker v1.1.1
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking async-task v4.4.0
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking blocking v1.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking filetime v0.2.21
[INFO] [stderr]     Checking zip v0.6.4
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking humansize v2.1.3
[INFO] [stderr]     Checking quick-xml v0.25.0
[INFO] [stderr]     Checking codepage v0.1.1
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking async-walkdir v0.2.0
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking vlq-rust v0.4.0
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking integer-encoding v3.0.4
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling chrono-tz-build v0.0.2
[INFO] [stderr]    Compiling chrono-tz v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tokio v1.28.0
[INFO] [stderr]    Compiling phf_macros v0.11.1
[INFO] [stderr]    Compiling concat-idents v1.1.4
[INFO] [stderr]     Checking futures-util v0.3.28
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling pest v2.6.0
[INFO] [stderr]     Checking stream-io v0.0.0
[INFO] [stderr]     Checking phf v0.11.1
[INFO] [stderr]    Compiling pest_meta v2.6.0
[INFO] [stderr]     Checking serde v1.0.160
[INFO] [stderr]    Compiling pest_generator v2.6.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]    Compiling pest_derive v2.6.0
[INFO] [stderr]     Checking globset v0.4.10
[INFO] [stderr]     Checking chrono v0.4.24
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking serde_json v1.0.96
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking diagnostic v0.4.3
[INFO] [stderr]     Checking csscolorparser v0.6.2
[INFO] [stderr]     Checking notify v5.1.0
[INFO] [stderr]     Checking serde-types v0.1.1
[INFO] [stderr]     Checking ignore v0.4.20
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking calamine v0.19.1
[INFO] [stderr]     Checking bigdecimal v0.3.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking tera v1.18.1
[INFO] [stderr]     Checking xcell-errors v0.1.2
[INFO] [stderr]     Checking xcell-types v0.2.1
[INFO] [stderr]  Documenting xcell-core 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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax)]
[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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(try_blocks)]
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(type_alias_impl_trait)]
[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:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(once_cell)]
[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:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(path_file_prefix)]
[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:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(file_create_new)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 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 `xcell-core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name xcell_core src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=fa2a2cd5c2be0d8b -L dependency=/opt/rustwide/target/debug/deps --extern calamine=/opt/rustwide/target/debug/deps/libcalamine-adee6a9b96552b41.rmeta --extern convert_case=/opt/rustwide/target/debug/deps/libconvert_case-5a157455a61e2e84.rmeta --extern integer_encoding=/opt/rustwide/target/debug/deps/libinteger_encoding-79fec7928acbf761.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-578991b5e0b8e761.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-43372439ad3c157d.rmeta --extern notify=/opt/rustwide/target/debug/deps/libnotify-622aa12a64c9b251.rmeta --extern pathdiff=/opt/rustwide/target/debug/deps/libpathdiff-6c8eb4228556ddb1.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-551828a6df28d000.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-c328f1015fdb0e77.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-517f391becebfa9b.rmeta --extern tera=/opt/rustwide/target/debug/deps/libtera-e9846b810a5449b2.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-190a21523a8a5552.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-1df476a94d252922.rmeta --extern twox_hash=/opt/rustwide/target/debug/deps/libtwox_hash-f2a84016c231ca27.rmeta --extern xcell_errors=/opt/rustwide/target/debug/deps/libxcell_errors-a6d70ff9c031d477.rmeta --extern xcell_types=/opt/rustwide/target/debug/deps/libxcell_types-9e6ca14fc74b08ff.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "c61818399711ac2eb810f75e01e1d36f22613fcecaa3e030330e527e453cb173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c61818399711ac2eb810f75e01e1d36f22613fcecaa3e030330e527e453cb173", kill_on_drop: false }`
[INFO] [stdout] c61818399711ac2eb810f75e01e1d36f22613fcecaa3e030330e527e453cb173
