[INFO] fetching crate gbdt 0.1.1...
[INFO] documenting gbdt-0.1.1 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate gbdt 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate gbdt 0.1.1 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 gbdt 0.1.1
[INFO] finished tweaking crates.io crate gbdt 0.1.1
[INFO] tweaked toml for crates.io crate gbdt 0.1.1 written to /workspace/builds/worker-6-tc1/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" "+1.69.0" "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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0f1dd0964e887623968b94ca38e1a85f458d6ecdc1a14d9b6db20346d7f887f6
[INFO] running `Command { std: "docker" "start" "-a" "0f1dd0964e887623968b94ca38e1a85f458d6ecdc1a14d9b6db20346d7f887f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f1dd0964e887623968b94ca38e1a85f458d6ecdc1a14d9b6db20346d7f887f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f1dd0964e887623968b94ca38e1a85f458d6ecdc1a14d9b6db20346d7f887f6", kill_on_drop: false }`
[INFO] [stdout] 0f1dd0964e887623968b94ca38e1a85f458d6ecdc1a14d9b6db20346d7f887f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cdd73c23037602233e7d234407f7e028f10087e0abe1f09f27764655cc510f50
[INFO] running `Command { std: "docker" "start" "-a" "cdd73c23037602233e7d234407f7e028f10087e0abe1f09f27764655cc510f50", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]     Checking regex v1.8.1
[INFO] [stderr]  Documenting gbdt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `i`
[INFO] [stdout]    --> src/decision_tree.rs:272:26
[INFO] [stdout]     |
[INFO] [stdout] 272 |     /// ordered_features[i] is the data sorted by (i+1)th feature.
[INFO] [stdout]     |                          ^ no item named `i` 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 `i`
[INFO] [stdout]    --> src/decision_tree.rs:278:21
[INFO] [stdout]     |
[INFO] [stdout] 278 |     /// cache_value[i] is the (i+1)th sample's `CacheValue`
[INFO] [stdout]     |                     ^ no item named `i` 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 `i`
[INFO] [stdout]    --> src/decision_tree.rs:280:22
[INFO] [stdout]     |
[INFO] [stdout] 280 |     /// cache_target[i] is the (i+1)th sample's `target` value (not the label). Organizing the `target` and `CacheValue` together will ha...
[INFO] [stdout]     |                      ^ no item named `i` 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 `i`
[INFO] [stdout]    --> src/decision_tree.rs:282:17
[INFO] [stdout]     |
[INFO] [stdout] 282 |     /// loigt_c[i] is the (i+1)th sample's logit value. let y = target.abs(); let logit_value = y * (2.0 - y) * weight;
[INFO] [stdout]     |                 ^ no item named `i` 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 `i`
[INFO] [stdout]    --> src/decision_tree.rs:606:26
[INFO] [stdout]     |
[INFO] [stdout] 606 |     /// ordered_features[i] is the data sorted by (i+1)th feature.
[INFO] [stdout]     |                          ^ no item named `i` 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 `i`
[INFO] [stdout]     --> src/decision_tree.rs:1242:68
[INFO] [stdout]      |
[INFO] [stdout] 1242 |     /// predicted values. If the `i` is in the subset, then output[i] is the prediction.
[INFO] [stdout]      |                                                                    ^ no item named `i` 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 `i`
[INFO] [stdout]     --> src/decision_tree.rs:1243:50
[INFO] [stdout]      |
[INFO] [stdout] 1243 |     /// If `i` is not in the subset, then output[i] is 0.0
[INFO] [stdout]      |                                                  ^ no item named `i` in scope
[INFO] [stdout]      |
[INFO] [stdout]      = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.45s
[INFO] running `Command { std: "docker" "inspect" "cdd73c23037602233e7d234407f7e028f10087e0abe1f09f27764655cc510f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdd73c23037602233e7d234407f7e028f10087e0abe1f09f27764655cc510f50", kill_on_drop: false }`
[INFO] [stdout] cdd73c23037602233e7d234407f7e028f10087e0abe1f09f27764655cc510f50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "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" "+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] 276e6ee78cc3516a25a9853271f64f638717d5d12e577c5d532e30c5a0a51cdd
[INFO] running `Command { std: "docker" "start" "-a" "276e6ee78cc3516a25a9853271f64f638717d5d12e577c5d532e30c5a0a51cdd", kill_on_drop: false }`
[INFO] [stderr]  Documenting gbdt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `i`
[INFO] [stdout]    --> src/decision_tree.rs:272:26
[INFO] [stdout]     |
[INFO] [stdout] 272 |     /// ordered_features[i] is the data sorted by (i+1)th feature.
[INFO] [stdout]     |                          ^ no item named `i` 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 `i`
[INFO] [stdout]    --> src/decision_tree.rs:278:21
[INFO] [stdout]     |
[INFO] [stdout] 278 |     /// cache_value[i] is the (i+1)th sample's `CacheValue`
[INFO] [stdout]     |                     ^ no item named `i` 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 `i`
[INFO] [stdout]    --> src/decision_tree.rs:280:22
[INFO] [stdout]     |
[INFO] [stdout] 280 |     /// cache_target[i] is the (i+1)th sample's `target` value (not the label). Organizing the `target` and `CacheValue` together will ha...
[INFO] [stdout]     |                      ^ no item named `i` 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 `i`
[INFO] [stdout]    --> src/decision_tree.rs:282:17
[INFO] [stdout]     |
[INFO] [stdout] 282 |     /// loigt_c[i] is the (i+1)th sample's logit value. let y = target.abs(); let logit_value = y * (2.0 - y) * weight;
[INFO] [stdout]     |                 ^ no item named `i` 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 `i`
[INFO] [stdout]     --> src/decision_tree.rs:1242:68
[INFO] [stdout]      |
[INFO] [stdout] 1242 |     /// predicted values. If the `i` is in the subset, then output[i] is the prediction.
[INFO] [stdout]      |                                                                    ^ no item named `i` 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 `i`
[INFO] [stdout]     --> src/decision_tree.rs:1243:50
[INFO] [stdout]      |
[INFO] [stdout] 1243 |     /// If `i` is not in the subset, then output[i] is 0.0
[INFO] [stdout]      |                                                  ^ no item named `i` in scope
[INFO] [stdout]      |
[INFO] [stdout]      = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "276e6ee78cc3516a25a9853271f64f638717d5d12e577c5d532e30c5a0a51cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "276e6ee78cc3516a25a9853271f64f638717d5d12e577c5d532e30c5a0a51cdd", kill_on_drop: false }`
[INFO] [stdout] 276e6ee78cc3516a25a9853271f64f638717d5d12e577c5d532e30c5a0a51cdd
