[INFO] fetching crate btrfsutil 0.2.0...
[INFO] documenting btrfsutil-0.2.0 against beta-2025-10-28 for beta-1.92-rustdoc-1
[INFO] extracting crate btrfsutil 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate btrfsutil 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate btrfsutil 0.2.0
[INFO] tweaked toml for crates.io crate btrfsutil 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate btrfsutil 0.2.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate btrfsutil 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdce63ad212a9edd1b6492aa676d526e84c14319e27d4cdbb6f4f8c69ae31457
[INFO] running `Command { std: "docker" "start" "-a" "bdce63ad212a9edd1b6492aa676d526e84c14319e27d4cdbb6f4f8c69ae31457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdce63ad212a9edd1b6492aa676d526e84c14319e27d4cdbb6f4f8c69ae31457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdce63ad212a9edd1b6492aa676d526e84c14319e27d4cdbb6f4f8c69ae31457", kill_on_drop: false }`
[INFO] [stdout] bdce63ad212a9edd1b6492aa676d526e84c14319e27d4cdbb6f4f8c69ae31457
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4161a14e19fac04059ba0f86aa822aba45c52de24fda075c0c7549f61b3b9775
[INFO] running `Command { std: "docker" "start" "-a" "4161a14e19fac04059ba0f86aa822aba45c52de24fda075c0c7549f61b3b9775", kill_on_drop: false }`
[INFO] [stderr]    Compiling prettyplease v0.2.12
[INFO] [stderr]    Compiling serde v1.0.178
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling serde_derive v1.0.178
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]    Compiling regex-automata v0.3.4
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling regex v1.9.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]     Checking thiserror v1.0.44
[INFO] [stderr]    Compiling btrfsutil-sys v1.3.0
[INFO] [stderr]  Documenting btrfsutil v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.12s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/btrfsutil/index.html
[INFO] running `Command { std: "docker" "inspect" "4161a14e19fac04059ba0f86aa822aba45c52de24fda075c0c7549f61b3b9775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4161a14e19fac04059ba0f86aa822aba45c52de24fda075c0c7549f61b3b9775", kill_on_drop: false }`
[INFO] [stdout] 4161a14e19fac04059ba0f86aa822aba45c52de24fda075c0c7549f61b3b9775
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustflags=[\"--cfg\", \"docsrs\"]" "-Zhost-config" "-Ztarget-applies-to-host" "--config" "host.rustflags=[\"--cfg\", \"docsrs\"]" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a5f793c933a9a694565511eea7920f502413f516a394bec04ffd3ab236eef57
[INFO] running `Command { std: "docker" "start" "-a" "0a5f793c933a9a694565511eea7920f502413f516a394bec04ffd3ab236eef57", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling prettyplease v0.2.12
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling serde v1.0.178
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.178
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.7.4/src/lib.rs:183:29
[INFO] [stdout]     |
[INFO] [stdout] 183 | #![cfg_attr(docsrs, feature(doc_auto_cfg))]
[INFO] [stdout]     |                             ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]     |
[INFO] [stdout]     = note: removed in 1.92.0; see <https://github.com/rust-lang/rust/pull/138907> for more information
[INFO] [stdout]     = note: merged into `doc_cfg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr] error: could not compile `regex-syntax` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0a5f793c933a9a694565511eea7920f502413f516a394bec04ffd3ab236eef57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a5f793c933a9a694565511eea7920f502413f516a394bec04ffd3ab236eef57", kill_on_drop: false }`
[INFO] [stdout] 0a5f793c933a9a694565511eea7920f502413f516a394bec04ffd3ab236eef57