[INFO] fetching crate boxcar 0.2.11...
[INFO] documenting boxcar-0.2.11 against beta-2025-04-20 for beta-1.87-rustdoc-2
[INFO] extracting crate boxcar 0.2.11 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate boxcar 0.2.11 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 boxcar 0.2.11
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate boxcar 0.2.11
[INFO] tweaked toml for crates.io crate boxcar 0.2.11 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate boxcar 0.2.11 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dc7f0074e96d627bd76c14c2891436633de4fd9fcb6295f3992ce16a40034754
[INFO] running `Command { std: "docker" "start" "-a" "dc7f0074e96d627bd76c14c2891436633de4fd9fcb6295f3992ce16a40034754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc7f0074e96d627bd76c14c2891436633de4fd9fcb6295f3992ce16a40034754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7f0074e96d627bd76c14c2891436633de4fd9fcb6295f3992ce16a40034754", kill_on_drop: false }`
[INFO] [stdout] dc7f0074e96d627bd76c14c2891436633de4fd9fcb6295f3992ce16a40034754
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6fe30e21feb0667e04643d681d11ece280b20fd4fbd2c687de94139c2a7be8a9
[INFO] running `Command { std: "docker" "start" "-a" "6fe30e21feb0667e04643d681d11ece280b20fd4fbd2c687de94139c2a7be8a9", kill_on_drop: false }`
[INFO] [stderr]  Documenting boxcar v0.2.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `std::sync::Arc`
[INFO] [stdout]   --> src/lib.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 | /// an [`Arc`](std::sync::Arc) or similar.
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ no item named `std` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/boxcar/index.html
[INFO] running `Command { std: "docker" "inspect" "6fe30e21feb0667e04643d681d11ece280b20fd4fbd2c687de94139c2a7be8a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe30e21feb0667e04643d681d11ece280b20fd4fbd2c687de94139c2a7be8a9", kill_on_drop: false }`
[INFO] [stdout] 6fe30e21feb0667e04643d681d11ece280b20fd4fbd2c687de94139c2a7be8a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] cd5250b5c29f49719a3751378723fd51185069740629b1a2dc6574f15a0466aa
[INFO] running `Command { std: "docker" "start" "-a" "cd5250b5c29f49719a3751378723fd51185069740629b1a2dc6574f15a0466aa", kill_on_drop: false }`
[INFO] [stderr]  Documenting boxcar v0.2.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `std::sync::Arc`
[INFO] [stdout]   --> src/lib.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 | /// an [`Arc`](std::sync::Arc) or similar.
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ no item named `std` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/boxcar/index.html
[INFO] running `Command { std: "docker" "inspect" "cd5250b5c29f49719a3751378723fd51185069740629b1a2dc6574f15a0466aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd5250b5c29f49719a3751378723fd51185069740629b1a2dc6574f15a0466aa", kill_on_drop: false }`
[INFO] [stdout] cd5250b5c29f49719a3751378723fd51185069740629b1a2dc6574f15a0466aa