[INFO] fetching crate ddc_bucket 0.5.1...
[INFO] documenting ddc_bucket-0.5.1 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate ddc_bucket 0.5.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ddc_bucket 0.5.1 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 ddc_bucket 0.5.1
[INFO] finished tweaking crates.io crate ddc_bucket 0.5.1
[INFO] tweaked toml for crates.io crate ddc_bucket 0.5.1 written to /workspace/builds/worker-0-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]     Blocking waiting for file lock on package cache
[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 radium v0.6.2
[INFO] [stderr]   Downloaded sp-debug-derive v3.0.0
[INFO] [stderr]   Downloaded scale-info-derive v0.4.0
[INFO] [stderr]   Downloaded byte-slice-cast v1.2.2
[INFO] [stderr]   Downloaded sp-std v3.0.0
[INFO] [stderr]   Downloaded parity-scale-codec-derive v2.3.1
[INFO] [stderr]   Downloaded impl-trait-for-tuples v0.2.2
[INFO] [stderr]   Downloaded parity-scale-codec v2.3.1
[INFO] [stderr]   Downloaded sp-arithmetic v3.0.0
[INFO] [stderr]   Downloaded impl-serde v0.3.2
[INFO] [stderr]   Downloaded bitvec v0.20.4
[INFO] [stderr]   Downloaded array-init v2.1.0
[INFO] [stderr]   Downloaded integer-sqrt v0.1.5
[INFO] [stderr]   Downloaded ink_primitives v3.0.0-rc4
[INFO] [stderr]   Downloaded ink_allocator v3.0.0-rc4
[INFO] [stderr]   Downloaded ink_prelude v3.0.0-rc4
[INFO] [stderr]   Downloaded ink_lang v3.0.0-rc4
[INFO] [stderr]   Downloaded ink_storage_derive v3.0.0-rc4
[INFO] [stderr]   Downloaded ink_lang_macro v3.0.0-rc4
[INFO] [stderr]   Downloaded ink_metadata v3.0.0-rc4
[INFO] [stderr]   Downloaded ink_lang_ir v3.0.0-rc4
[INFO] [stderr]   Downloaded ink_lang_codegen v3.0.0-rc4
[INFO] [stderr]   Downloaded ink_env v3.0.0-rc4
[INFO] [stderr]   Downloaded scale-info v0.6.0
[INFO] [stderr]   Downloaded ink_storage v3.0.0-rc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a7e3ab3060b7e5da19e042be62e1bebd4c1bbdecc79009ef39dabf92192c5f5a
[INFO] running `Command { std: "docker" "start" "-a" "a7e3ab3060b7e5da19e042be62e1bebd4c1bbdecc79009ef39dabf92192c5f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7e3ab3060b7e5da19e042be62e1bebd4c1bbdecc79009ef39dabf92192c5f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e3ab3060b7e5da19e042be62e1bebd4c1bbdecc79009ef39dabf92192c5f5a", kill_on_drop: false }`
[INFO] [stdout] a7e3ab3060b7e5da19e042be62e1bebd4c1bbdecc79009ef39dabf92192c5f5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9aa0ffed7fbca6b63e342d8d2fd7267196659ac3ceb12ede295189436edd038f
[INFO] running `Command { std: "docker" "start" "-a" "9aa0ffed7fbca6b63e342d8d2fd7267196659ac3ceb12ede295189436edd038f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling winnow v0.5.33
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking crossbeam-epoch v0.9.17
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]     Checking ink_prelude v3.0.0-rc4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking sp-std v3.0.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ink_allocator v3.0.0-rc4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling impl-serde v0.3.2
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling ink_lang_ir v3.0.0-rc4
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.3.1
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling scale-info-derive v0.4.0
[INFO] [stderr]    Compiling sp-debug-derive v3.0.0
[INFO] [stderr]    Compiling ink_storage_derive v3.0.0-rc4
[INFO] [stderr]    Compiling parity-scale-codec v2.3.1
[INFO] [stderr]    Compiling scale-info v0.6.0
[INFO] [stderr]    Compiling ink_lang_codegen v3.0.0-rc4
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]    Compiling ink_primitives v3.0.0-rc4
[INFO] [stderr]     Checking sp-arithmetic v3.0.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]    Compiling ink_lang_macro v3.0.0-rc4
[INFO] [stderr]     Checking ink_metadata v3.0.0-rc4
[INFO] [stderr]     Checking ink_env v3.0.0-rc4
[INFO] [stderr]     Checking ink_storage v3.0.0-rc4
[INFO] [stderr]     Checking ink_lang v3.0.0-rc4
[INFO] [stderr]  Documenting ddc_bucket v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(proc_macro_hygiene)] // for tests in a separate file
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `ddc_bucket`
[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 cdylib --crate-type rlib --crate-name ddc_bucket lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="ink_allocator"' --cfg 'feature="ink_lang_codegen"' --cfg 'feature="ink_lang_ir"' --cfg 'feature="ink_lang_macro"' --cfg 'feature="ink_metadata"' --cfg 'feature="scale-info"' --cfg 'feature="serde"' --cfg 'feature="serde_json"' --cfg 'feature="std"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=31350d378ce6f85f -L dependency=/opt/rustwide/target/debug/deps --extern ink_allocator=/opt/rustwide/target/debug/deps/libink_allocator-f0fc218e6e37355f.rmeta --extern ink_env=/opt/rustwide/target/debug/deps/libink_env-95e14ffd06313ae3.rmeta --extern ink_lang=/opt/rustwide/target/debug/deps/libink_lang-ac9ee710dcb9d152.rmeta --extern ink_lang_codegen=/opt/rustwide/target/debug/deps/libink_lang_codegen-555ac820ddd030f4.rmeta --extern ink_lang_ir=/opt/rustwide/target/debug/deps/libink_lang_ir-b11ca0b8168d8d3a.rmeta --extern ink_lang_macro=/opt/rustwide/target/debug/deps/libink_lang_macro-2360e09584f1e92e.so --extern ink_metadata=/opt/rustwide/target/debug/deps/libink_metadata-187bb1f455e37569.rmeta --extern ink_prelude=/opt/rustwide/target/debug/deps/libink_prelude-d1a951ab72002da4.rmeta --extern ink_primitives=/opt/rustwide/target/debug/deps/libink_primitives-43c1b5389951a2da.rmeta --extern ink_storage=/opt/rustwide/target/debug/deps/libink_storage-43a7ff1f7739f73d.rmeta --extern scale=/opt/rustwide/target/debug/deps/libparity_scale_codec-2811c761f3558d7c.rmeta --extern scale_info=/opt/rustwide/target/debug/deps/libscale_info-98f9cbc942c7c666.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-e5fd2342b525c8ef.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-8ecc9dbd8e93ed40.rmeta --cap-lints=warn --crate-version 0.5.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "9aa0ffed7fbca6b63e342d8d2fd7267196659ac3ceb12ede295189436edd038f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aa0ffed7fbca6b63e342d8d2fd7267196659ac3ceb12ede295189436edd038f", kill_on_drop: false }`
[INFO] [stdout] 9aa0ffed7fbca6b63e342d8d2fd7267196659ac3ceb12ede295189436edd038f
