[INFO] fetching crate blobary 0.3.0...
[INFO] documenting blobary-0.3.0 against beta-2026-04-21 for beta-1.96-rustdoc-1
[INFO] extracting crate blobary 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate blobary 0.3.0
[INFO] finished tweaking crates.io crate blobary 0.3.0
[INFO] tweaked toml for crates.io crate blobary 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate blobary 0.3.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 229 packages to latest compatible versions
[INFO] [stderr]       Adding cap-std v2.0.2 (available: v4.0.2)
[INFO] [stderr]       Adding cap-tempfile v2.0.2 (available: v4.0.2)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding infer v0.15.0 (available: v0.19.0)
[INFO] [stderr]       Adding lz4_flex v0.11.6 (available: v0.13.0)
[INFO] [stderr]       Adding redis v0.23.3 (available: v1.2.0)
[INFO] [stderr]       Adding rusqlite v0.29.0 (available: v0.39.0)
[INFO] [stderr]       Adding rust-s3 v0.33.0 (available: v0.37.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] [stderr]       Adding zerocopy v0.7.35 (available: v0.8.48)
[INFO] [stderr]       Adding zerocopy-derive v0.7.35 (available: v0.8.48)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded md5 v0.7.0
[INFO] [stderr]   Downloaded quick-xml v0.26.0
[INFO] [stderr]   Downloaded aws-region v0.25.5
[INFO] [stderr]   Downloaded aws-creds v0.34.1
[INFO] [stderr]   Downloaded libflate_lz77 v2.3.0
[INFO] [stderr]   Downloaded fs-set-times v0.20.3
[INFO] [stderr]   Downloaded maybe-owned v0.3.4
[INFO] [stderr]   Downloaded winx v0.36.4
[INFO] [stderr]   Downloaded rust-ini v0.18.0
[INFO] [stderr]   Downloaded memmap2 v0.9.10
[INFO] [stderr]   Downloaded ambient-authority v0.0.2
[INFO] [stderr]   Downloaded rle-decode-fast v1.0.3
[INFO] [stderr]   Downloaded socket2 v0.4.10
[INFO] [stderr]   Downloaded cap-primitives v2.0.2
[INFO] [stderr]   Downloaded attohttpc v0.22.0
[INFO] [stderr]   Downloaded ahash v0.7.8
[INFO] [stderr]   Downloaded no_std_io2 v0.9.3
[INFO] [stderr]   Downloaded libflate v2.3.0
[INFO] [stderr]   Downloaded rusqlite v0.29.0
[INFO] [stderr]   Downloaded redis v0.23.3
[INFO] [stderr]   Downloaded blake3 v1.8.5
[INFO] [stderr]   Downloaded lz4_flex v0.11.6
[INFO] [stderr]   Downloaded io-extras v0.18.4
[INFO] [stderr]   Downloaded io-lifetimes v2.0.4
[INFO] [stderr]   Downloaded cap-std v2.0.2
[INFO] [stderr]   Downloaded dary_heap v0.3.9
[INFO] [stderr]   Downloaded fallible-iterator v0.2.0
[INFO] [stderr]   Downloaded ordered-multimap v0.4.3
[INFO] [stderr]   Downloaded cap-tempfile v2.0.2
[INFO] [stderr]   Downloaded infer v0.15.0
[INFO] [stderr]   Downloaded dlv-list v0.3.0
[INFO] [stderr]   Downloaded rust-s3 v0.33.0
[INFO] [stderr]   Downloaded maybe-async v0.2.10
[INFO] [stderr]   Downloaded libsqlite3-sys v0.26.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7cd124790b8b9489123e8ac2cff2e556a9c796e0e204b5577eb38fb45a5a2ed
[INFO] running `Command { std: "docker" "start" "-a" "c7cd124790b8b9489123e8ac2cff2e556a9c796e0e204b5577eb38fb45a5a2ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7cd124790b8b9489123e8ac2cff2e556a9c796e0e204b5577eb38fb45a5a2ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7cd124790b8b9489123e8ac2cff2e556a9c796e0e204b5577eb38fb45a5a2ed", kill_on_drop: false }`
[INFO] [stdout] c7cd124790b8b9489123e8ac2cff2e556a9c796e0e204b5577eb38fb45a5a2ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 933c56bcd197b269caddf6b93e4fe98580c4534a88fe34d220feba40fdad50bf
[INFO] running `Command { std: "docker" "start" "-a" "933c56bcd197b269caddf6b93e4fe98580c4534a88fe34d220feba40fdad50bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling io-lifetimes v2.0.4
[INFO] [stderr]     Checking bitflags v2.11.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling io-extras v0.18.4
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling rustls v0.20.9
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling pkg-config v0.3.33
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling cap-primitives v2.0.2
[INFO] [stderr]     Checking ring v0.17.14
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]     Checking dlv-list v0.3.0
[INFO] [stderr]     Checking deranged v0.5.8
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling cap-std v2.0.2
[INFO] [stderr]     Checking maybe-owned v0.3.4
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking ambient-authority v0.0.2
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking ordered-multimap v0.4.3
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]    Compiling blake3 v1.8.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling libsqlite3-sys v0.26.0
[INFO] [stderr]     Checking no_std_io2 v0.9.3
[INFO] [stderr]     Checking rle-decode-fast v1.0.3
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking uuid v1.23.1
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking combine v4.6.7
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking rust-ini v0.18.0
[INFO] [stderr]     Checking memmap2 v0.9.10
[INFO] [stderr]     Checking sha1_smol v1.0.1
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking libflate_lz77 v2.3.0
[INFO] [stderr]     Checking constant_time_eq v0.4.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking dary_heap v0.3.9
[INFO] [stderr]     Checking twox-hash v2.1.2
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking bs58 v0.5.1
[INFO] [stderr]     Checking infer v0.15.0
[INFO] [stderr]     Checking libflate v2.3.0
[INFO] [stderr]     Checking lz4_flex v0.11.6
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking sct v0.7.1
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[INFO] [stderr]     Checking webpki-roots v0.22.6
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking rusqlite v0.29.0
[INFO] [stderr]     Checking fs-set-times v0.20.3
[INFO] [stderr]     Checking cap-tempfile v2.0.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.7
[INFO] [stderr]    Compiling yoke-derive v0.8.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling maybe-async v0.2.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerofrom v0.1.7
[INFO] [stderr]     Checking yoke v0.8.2
[INFO] [stderr]     Checking aws-region v0.25.5
[INFO] [stderr]     Checking zerovec v0.11.6
[INFO] [stderr]     Checking zerotrie v0.2.4
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking tinystr v0.8.3
[INFO] [stderr]     Checking potential_utf v0.1.5
[INFO] [stderr]     Checking icu_collections v2.2.0
[INFO] [stderr]     Checking icu_locale_core v2.2.0
[INFO] [stderr]     Checking icu_provider v2.2.0
[INFO] [stderr]     Checking icu_properties v2.2.0
[INFO] [stderr]     Checking icu_normalizer v2.2.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking quick-xml v0.26.0
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking attohttpc v0.22.0
[INFO] [stderr]     Checking redis v0.23.3
[INFO] [stderr]     Checking aws-creds v0.34.1
[INFO] [stderr]     Checking rust-s3 v0.33.0
[INFO] [stderr]  Documenting blobary v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(seek_stream_len)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `blobary`
[INFO] running `Command { std: "docker" "inspect" "933c56bcd197b269caddf6b93e4fe98580c4534a88fe34d220feba40fdad50bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "933c56bcd197b269caddf6b93e4fe98580c4534a88fe34d220feba40fdad50bf", kill_on_drop: false }`
[INFO] [stdout] 933c56bcd197b269caddf6b93e4fe98580c4534a88fe34d220feba40fdad50bf