[INFO] fetching crate backtrack 0.3.0...
[INFO] documenting backtrack-0.3.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate backtrack 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate backtrack 0.3.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate backtrack 0.3.0
[INFO] finished tweaking crates.io crate backtrack 0.3.0
[INFO] tweaked toml for crates.io crate backtrack 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate backtrack 0.3.0 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.74
[INFO] [stderr]   Downloaded js-sys v0.3.51
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.74
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.74
[INFO] [stderr]   Downloaded semver v1.0.3
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.74
[INFO] [stderr]   Downloaded serde_derive v1.0.126
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.74
[INFO] [stderr]   Downloaded syn v1.0.73
[INFO] [stderr]   Downloaded libc v0.2.98
[INFO] [stderr]   Downloaded web-sys v0.3.51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e3f428e8f7daddc1f37a707bc445f8960d7ee39c26e1c166ea56ba3ba0d936a
[INFO] running `Command { std: "docker" "start" "-a" "1e3f428e8f7daddc1f37a707bc445f8960d7ee39c26e1c166ea56ba3ba0d936a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e3f428e8f7daddc1f37a707bc445f8960d7ee39c26e1c166ea56ba3ba0d936a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e3f428e8f7daddc1f37a707bc445f8960d7ee39c26e1c166ea56ba3ba0d936a", kill_on_drop: false }`
[INFO] [stdout] 1e3f428e8f7daddc1f37a707bc445f8960d7ee39c26e1c166ea56ba3ba0d936a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 356fe6b48274171eb8ae09f6defafe71e12a8e1ed3d40435bdb39bf352ce79bf
[INFO] running `Command { std: "docker" "start" "-a" "356fe6b48274171eb8ae09f6defafe71e12a8e1ed3d40435bdb39bf352ce79bf", kill_on_drop: false }`
[INFO] [stderr]  Documenting backtrack v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `0,2,2,0`
[INFO] [stdout]  --> src/problems/total_sum.rs:5:73
[INFO] [stdout]   |
[INFO] [stdout] 5 | /// If e.g. `sum_at_least` is 3 and 4 arbitrary integers are required, [0,2,2,0],
[INFO] [stdout]   |                                                                         ^^^^^^^ no item named `0,2,2,0` 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: unresolved link to `1,1,0,1`
[INFO] [stdout]  --> src/problems/total_sum.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | /// [1,1,0,1] and [2,0,3,0] are valid while [1,1,1,1] is not.
[INFO] [stdout]   |      ^^^^^^^ no item named `1,1,0,1` in scope
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `2,0,3,0`
[INFO] [stdout]  --> src/problems/total_sum.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | /// [1,1,0,1] and [2,0,3,0] are valid while [1,1,1,1] is not.
[INFO] [stdout]   |                    ^^^^^^^ no item named `2,0,3,0` in scope
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `1,1,1,1`
[INFO] [stdout]  --> src/problems/total_sum.rs:6:46
[INFO] [stdout]   |
[INFO] [stdout] 6 | /// [1,1,0,1] and [2,0,3,0] are valid while [1,1,1,1] is not.
[INFO] [stdout]   |                                              ^^^^^^^ no item named `1,1,1,1` in scope
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "356fe6b48274171eb8ae09f6defafe71e12a8e1ed3d40435bdb39bf352ce79bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "356fe6b48274171eb8ae09f6defafe71e12a8e1ed3d40435bdb39bf352ce79bf", kill_on_drop: false }`
[INFO] [stdout] 356fe6b48274171eb8ae09f6defafe71e12a8e1ed3d40435bdb39bf352ce79bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "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] f42837e4cb60f50e9f1bda5f97241805a87b2085d111096631dd0c30f18b2d0a
[INFO] running `Command { std: "docker" "start" "-a" "f42837e4cb60f50e9f1bda5f97241805a87b2085d111096631dd0c30f18b2d0a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting backtrack v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `0,2,2,0`
[INFO] [stdout]  --> src/problems/total_sum.rs:5:73
[INFO] [stdout]   |
[INFO] [stdout] 5 | /// If e.g. `sum_at_least` is 3 and 4 arbitrary integers are required, [0,2,2,0],
[INFO] [stdout]   |                                                                         ^^^^^^^ no item named `0,2,2,0` 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: unresolved link to `1,1,0,1`
[INFO] [stdout]  --> src/problems/total_sum.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | /// [1,1,0,1] and [2,0,3,0] are valid while [1,1,1,1] is not.
[INFO] [stdout]   |      ^^^^^^^ no item named `1,1,0,1` in scope
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `2,0,3,0`
[INFO] [stdout]  --> src/problems/total_sum.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | /// [1,1,0,1] and [2,0,3,0] are valid while [1,1,1,1] is not.
[INFO] [stdout]   |                    ^^^^^^^ no item named `2,0,3,0` in scope
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `1,1,1,1`
[INFO] [stdout]  --> src/problems/total_sum.rs:6:46
[INFO] [stdout]   |
[INFO] [stdout] 6 | /// [1,1,0,1] and [2,0,3,0] are valid while [1,1,1,1] is not.
[INFO] [stdout]   |                                              ^^^^^^^ no item named `1,1,1,1` in scope
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "f42837e4cb60f50e9f1bda5f97241805a87b2085d111096631dd0c30f18b2d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f42837e4cb60f50e9f1bda5f97241805a87b2085d111096631dd0c30f18b2d0a", kill_on_drop: false }`
[INFO] [stdout] f42837e4cb60f50e9f1bda5f97241805a87b2085d111096631dd0c30f18b2d0a
