[INFO] fetching crate near-safe-cell 0.1.5...
[INFO] documenting near-safe-cell-0.1.5 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate near-safe-cell 0.1.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate near-safe-cell 0.1.5 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate near-safe-cell 0.1.5
[INFO] finished tweaking crates.io crate near-safe-cell 0.1.5
[INFO] tweaked toml for crates.io crate near-safe-cell 0.1.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49c975f9e879d5f3eccd7adf8014e5f244fd94f18e3ae5e76e3d50bcc38ee3b1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "49c975f9e879d5f3eccd7adf8014e5f244fd94f18e3ae5e76e3d50bcc38ee3b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49c975f9e879d5f3eccd7adf8014e5f244fd94f18e3ae5e76e3d50bcc38ee3b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49c975f9e879d5f3eccd7adf8014e5f244fd94f18e3ae5e76e3d50bcc38ee3b1", kill_on_drop: false }`
[INFO] [stdout] 49c975f9e879d5f3eccd7adf8014e5f244fd94f18e3ae5e76e3d50bcc38ee3b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2f6d3d14f90ecea05e4d6b91b684dd77a2b4f4f658dd50f70beb1b6523204493
[INFO] running `Command { std: "docker" "start" "-a" "2f6d3d14f90ecea05e4d6b91b684dd77a2b4f4f658dd50f70beb1b6523204493", kill_on_drop: false }`
[INFO] [stderr]  Documenting near-safe-cell v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `std::panic::RefUnwindSafe`
[INFO] [stdout]   --> src/lib.rs:21:108
[INFO] [stdout]    |
[INFO] [stdout] 21 | ...plement [`Sync`]\(and [`RefUnwindSafe`](std::panic::RefUnwindSafe) if std is enabled) where `T: Sync`.
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `std` in scope
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  |     rustdoc::broken_intra_doc_links,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "2f6d3d14f90ecea05e4d6b91b684dd77a2b4f4f658dd50f70beb1b6523204493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f6d3d14f90ecea05e4d6b91b684dd77a2b4f4f658dd50f70beb1b6523204493", kill_on_drop: false }`
[INFO] [stdout] 2f6d3d14f90ecea05e4d6b91b684dd77a2b4f4f658dd50f70beb1b6523204493
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 573d7be153dc913024d3bfd0fe9bc6ea11df28784b5dfa052023494b1e93eb71
[INFO] running `Command { std: "docker" "start" "-a" "573d7be153dc913024d3bfd0fe9bc6ea11df28784b5dfa052023494b1e93eb71", kill_on_drop: false }`
[INFO] [stderr]  Documenting near-safe-cell v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: unresolved link to `std::panic::RefUnwindSafe`
[INFO] [stdout]   --> src/lib.rs:21:108
[INFO] [stdout]    |
[INFO] [stdout] 21 | ...plement [`Sync`]\(and [`RefUnwindSafe`](std::panic::RefUnwindSafe) if std is enabled) where `T: Sync`.
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `std` in scope
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  |     rustdoc::broken_intra_doc_links,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `near-safe-cell`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name near_safe_cell src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -Z unstable-options --document-private-items -C metadata=0b2f7a30408621b4 -L dependency=/opt/rustwide/target/debug/deps --crate-version 0.1.5` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "573d7be153dc913024d3bfd0fe9bc6ea11df28784b5dfa052023494b1e93eb71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "573d7be153dc913024d3bfd0fe9bc6ea11df28784b5dfa052023494b1e93eb71", kill_on_drop: false }`
[INFO] [stdout] 573d7be153dc913024d3bfd0fe9bc6ea11df28784b5dfa052023494b1e93eb71