[INFO] fetching crate flipdot-serial 0.8.0...
[INFO] documenting flipdot-serial-0.8.0 against beta-2025-04-20 for beta-1.87-rustdoc-2
[INFO] extracting crate flipdot-serial 0.8.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate flipdot-serial 0.8.0 on toolchain beta-2025-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flipdot-serial 0.8.0
[INFO] finished tweaking crates.io crate flipdot-serial 0.8.0
[INFO] tweaked toml for crates.io crate flipdot-serial 0.8.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate flipdot-serial 0.8.0 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-2025-04-20" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32d827b9a4ba90034276b1f14981c6dd16add75e788f8b718ba785d612a5c0c3
[INFO] running `Command { std: "docker" "start" "-a" "32d827b9a4ba90034276b1f14981c6dd16add75e788f8b718ba785d612a5c0c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32d827b9a4ba90034276b1f14981c6dd16add75e788f8b718ba785d612a5c0c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32d827b9a4ba90034276b1f14981c6dd16add75e788f8b718ba785d612a5c0c3", kill_on_drop: false }`
[INFO] [stdout] 32d827b9a4ba90034276b1f14981c6dd16add75e788f8b718ba785d612a5c0c3
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbe62f650afb479d0fdbb8bbbcfc7229acd5456b9065cf31da31f048b3f8ef78
[INFO] running `Command { std: "docker" "start" "-a" "dbe62f650afb479d0fdbb8bbbcfc7229acd5456b9065cf31da31f048b3f8ef78", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]     Checking flipdot-core v0.8.0
[INFO] [stderr]  Documenting flipdot-serial v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.91s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/flipdot_serial/index.html
[INFO] running `Command { std: "docker" "inspect" "dbe62f650afb479d0fdbb8bbbcfc7229acd5456b9065cf31da31f048b3f8ef78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe62f650afb479d0fdbb8bbbcfc7229acd5456b9065cf31da31f048b3f8ef78", kill_on_drop: false }`
[INFO] [stdout] dbe62f650afb479d0fdbb8bbbcfc7229acd5456b9065cf31da31f048b3f8ef78
[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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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-2025-04-20" "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] 3a0abd29965d20134b316a20b7c1283098322e3d28fab80aed720be29cdfb3a7
[INFO] running `Command { std: "docker" "start" "-a" "3a0abd29965d20134b316a20b7c1283098322e3d28fab80aed720be29cdfb3a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]     Checking flipdot-core v0.8.0
[INFO] [stderr]  Documenting flipdot-serial v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.31s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/flipdot_serial/index.html
[INFO] running `Command { std: "docker" "inspect" "3a0abd29965d20134b316a20b7c1283098322e3d28fab80aed720be29cdfb3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a0abd29965d20134b316a20b7c1283098322e3d28fab80aed720be29cdfb3a7", kill_on_drop: false }`
[INFO] [stdout] 3a0abd29965d20134b316a20b7c1283098322e3d28fab80aed720be29cdfb3a7