[INFO] fetching crate backon 0.4.0...
[INFO] documenting backon-0.4.0 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate backon 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate backon 0.4.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate backon 0.4.0
[INFO] finished tweaking crates.io crate backon 0.4.0
[INFO] tweaked toml for crates.io crate backon 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd90157ab6e85e977ff290cdea12d7366324ad07c86eafa485c48389d3b497d8
[INFO] running `Command { std: "docker" "start" "-a" "dd90157ab6e85e977ff290cdea12d7366324ad07c86eafa485c48389d3b497d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd90157ab6e85e977ff290cdea12d7366324ad07c86eafa485c48389d3b497d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd90157ab6e85e977ff290cdea12d7366324ad07c86eafa485c48389d3b497d8", kill_on_drop: false }`
[INFO] [stdout] dd90157ab6e85e977ff290cdea12d7366324ad07c86eafa485c48389d3b497d8
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae60758ec689ba7305779d54bbd3ed7ecd31f855f7181fb730a4a1188b44de0f
[INFO] running `Command { std: "docker" "start" "-a" "ae60758ec689ba7305779d54bbd3ed7ecd31f855f7181fb730a4a1188b44de0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]  Documenting backon v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Retryable`
[INFO] [stdout]   --> src/blocking_retry.rs:60:33
[INFO] [stdout]    |
[INFO] [stdout] 60 | /// Retry struct generated by [`Retryable`].
[INFO] [stdout]    |                                 ^^^^^^^^^ no item named `Retryable` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.17s
[INFO] running `Command { std: "docker" "inspect" "ae60758ec689ba7305779d54bbd3ed7ecd31f855f7181fb730a4a1188b44de0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae60758ec689ba7305779d54bbd3ed7ecd31f855f7181fb730a4a1188b44de0f", kill_on_drop: false }`
[INFO] [stdout] ae60758ec689ba7305779d54bbd3ed7ecd31f855f7181fb730a4a1188b44de0f
[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" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f65e41695db27b6ad3455b540b9b3af2d6705cd1cb1e25916b9e61a7d03be7ba
[INFO] running `Command { std: "docker" "start" "-a" "f65e41695db27b6ad3455b540b9b3af2d6705cd1cb1e25916b9e61a7d03be7ba", kill_on_drop: false }`
[INFO] [stderr]  Documenting backon v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Retryable`
[INFO] [stdout]   --> src/blocking_retry.rs:60:33
[INFO] [stdout]    |
[INFO] [stdout] 60 | /// Retry struct generated by [`Retryable`].
[INFO] [stdout]    |                                 ^^^^^^^^^ no item named `Retryable` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "f65e41695db27b6ad3455b540b9b3af2d6705cd1cb1e25916b9e61a7d03be7ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f65e41695db27b6ad3455b540b9b3af2d6705cd1cb1e25916b9e61a7d03be7ba", kill_on_drop: false }`
[INFO] [stdout] f65e41695db27b6ad3455b540b9b3af2d6705cd1cb1e25916b9e61a7d03be7ba
