[INFO] fetching crate but 0.1.0...
[INFO] documenting but-0.1.0 against beta-2025-04-13 for beta-1.87-rustdoc-1
[INFO] extracting crate but 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate but 0.1.0 on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate but 0.1.0
[INFO] finished tweaking crates.io crate but 0.1.0
[INFO] tweaked toml for crates.io crate but 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cab1111733369834c2157ac6cbaacb9dcd077dade79c25a93b1029866cff355
[INFO] running `Command { std: "docker" "start" "-a" "8cab1111733369834c2157ac6cbaacb9dcd077dade79c25a93b1029866cff355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cab1111733369834c2157ac6cbaacb9dcd077dade79c25a93b1029866cff355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cab1111733369834c2157ac6cbaacb9dcd077dade79c25a93b1029866cff355", kill_on_drop: false }`
[INFO] [stdout] 8cab1111733369834c2157ac6cbaacb9dcd077dade79c25a93b1029866cff355
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c53d8687c6b1f45c3ea262a738b78a9264e3f5b425d407166cfbd53791ae01cb
[INFO] running `Command { std: "docker" "start" "-a" "c53d8687c6b1f45c3ea262a738b78a9264e3f5b425d407166cfbd53791ae01cb", kill_on_drop: false }`
[INFO] [stderr]  Documenting but v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/but/index.html
[INFO] running `Command { std: "docker" "inspect" "c53d8687c6b1f45c3ea262a738b78a9264e3f5b425d407166cfbd53791ae01cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c53d8687c6b1f45c3ea262a738b78a9264e3f5b425d407166cfbd53791ae01cb", kill_on_drop: false }`
[INFO] [stdout] c53d8687c6b1f45c3ea262a738b78a9264e3f5b425d407166cfbd53791ae01cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64c8204bb0b8827bd05290cd590fbb68654d3c96bfba4c0a6de98bd3ffad82ec
[INFO] running `Command { std: "docker" "start" "-a" "64c8204bb0b8827bd05290cd590fbb68654d3c96bfba4c0a6de98bd3ffad82ec", kill_on_drop: false }`
[INFO] [stderr]  Documenting but v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't generate documentation: No space left on device (os error 28)
[INFO] [stdout]   |
[INFO] [stdout]   = note: failed to create or modify "/opt/rustwide/target/doc/src/but"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `but`
[INFO] running `Command { std: "docker" "inspect" "64c8204bb0b8827bd05290cd590fbb68654d3c96bfba4c0a6de98bd3ffad82ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c8204bb0b8827bd05290cd590fbb68654d3c96bfba4c0a6de98bd3ffad82ec", kill_on_drop: false }`
[INFO] [stdout] 64c8204bb0b8827bd05290cd590fbb68654d3c96bfba4c0a6de98bd3ffad82ec