[INFO] fetching crate rusty-machine 0.5.4...
[INFO] documenting rusty-machine-0.5.4 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate rusty-machine 0.5.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rusty-machine 0.5.4 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 rusty-machine 0.5.4
[INFO] finished tweaking crates.io crate rusty-machine 0.5.4
[INFO] tweaked toml for crates.io crate rusty-machine 0.5.4 written to /workspace/builds/worker-2-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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rulinalg v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a4bc74f5d481e7d38919b1ac91a9b5c857343944c6b8f77189fd5f4eb738e041
[INFO] running `Command { std: "docker" "start" "-a" "a4bc74f5d481e7d38919b1ac91a9b5c857343944c6b8f77189fd5f4eb738e041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4bc74f5d481e7d38919b1ac91a9b5c857343944c6b8f77189fd5f4eb738e041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4bc74f5d481e7d38919b1ac91a9b5c857343944c6b8f77189fd5f4eb738e041", kill_on_drop: false }`
[INFO] [stdout] a4bc74f5d481e7d38919b1ac91a9b5c857343944c6b8f77189fd5f4eb738e041
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a1c37ad0bbe0982433cf0af51aaf8deef369870cfe80807cf1bfcc6ea72f8f78
[INFO] running `Command { std: "docker" "start" "-a" "a1c37ad0bbe0982433cf0af51aaf8deef369870cfe80807cf1bfcc6ea72f8f78", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rulinalg v0.3.7
[INFO] [stderr]  Documenting rusty-machine v0.5.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/learning/toolkit/kernel.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 292 |         (self.ampl * x.exp())
[INFO] [stdout]     |         ^                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 292 -         (self.ampl * x.exp())
[INFO] [stdout] 292 +         self.ampl * x.exp()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/learning/toolkit/kernel.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |         (self.ampl * x.exp())
[INFO] [stdout]     |         ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 354 -         (self.ampl * x.exp())
[INFO] [stdout] 354 +         self.ampl * x.exp()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `UNSTABLE`
[INFO] [stdout]    --> src/learning/gp.rs:181:45
[INFO] [stdout]     |
[INFO] [stdout] 181 |     /// Compute the posterior distribution [UNSTABLE]
[INFO] [stdout]     |                                             ^^^^^^^^ no item named `UNSTABLE` 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 `1,0,0`
[INFO] [stdout]    --> src/learning/naive_bayes.rs:106:29
[INFO] [stdout]     |
[INFO] [stdout] 106 | /// the input class. e.g. [[1,0,0],[0,0,1]] shows class 1 first, then class 3.
[INFO] [stdout]     |                             ^^^^^ no item named `1,0,0` 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 `0,0,1`
[INFO] [stdout]    --> src/learning/naive_bayes.rs:106:37
[INFO] [stdout]     |
[INFO] [stdout] 106 | /// the input class. e.g. [[1,0,0],[0,0,1]] shows class 1 first, then class 3.
[INFO] [stdout]     |                                     ^^^^^ no item named `0,0,1` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `f64`
[INFO] [stdout]    --> src/learning/gmm.rs:187:34
[INFO] [stdout]     |
[INFO] [stdout] 187 |     /// Returns an Option<&Matrix<f64>> containing
[INFO] [stdout]     |                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_html_tags)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `f64`
[INFO] [stdout]    --> src/learning/gmm.rs:196:38
[INFO] [stdout]     |
[INFO] [stdout] 196 |     /// Returns an Option<&Vec<Matrix<f64>>> containing
[INFO] [stdout]     |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "a1c37ad0bbe0982433cf0af51aaf8deef369870cfe80807cf1bfcc6ea72f8f78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1c37ad0bbe0982433cf0af51aaf8deef369870cfe80807cf1bfcc6ea72f8f78", kill_on_drop: false }`
[INFO] [stdout] a1c37ad0bbe0982433cf0af51aaf8deef369870cfe80807cf1bfcc6ea72f8f78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f1d4af987f21e9f98707717c3e09211398b0aa0d19a3309ea66a4acf2b26b487
[INFO] running `Command { std: "docker" "start" "-a" "f1d4af987f21e9f98707717c3e09211398b0aa0d19a3309ea66a4acf2b26b487", kill_on_drop: false }`
[INFO] [stderr]  Documenting rusty-machine v0.5.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/learning/toolkit/kernel.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 292 |         (self.ampl * x.exp())
[INFO] [stdout]     |         ^                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 292 -         (self.ampl * x.exp())
[INFO] [stdout] 292 +         self.ampl * x.exp()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/learning/toolkit/kernel.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |         (self.ampl * x.exp())
[INFO] [stdout]     |         ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 354 -         (self.ampl * x.exp())
[INFO] [stdout] 354 +         self.ampl * x.exp()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `UNSTABLE`
[INFO] [stdout]    --> src/learning/gp.rs:181:45
[INFO] [stdout]     |
[INFO] [stdout] 181 |     /// Compute the posterior distribution [UNSTABLE]
[INFO] [stdout]     |                                             ^^^^^^^^ no item named `UNSTABLE` 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 `1,0,0`
[INFO] [stdout]    --> src/learning/naive_bayes.rs:106:29
[INFO] [stdout]     |
[INFO] [stdout] 106 | /// the input class. e.g. [[1,0,0],[0,0,1]] shows class 1 first, then class 3.
[INFO] [stdout]     |                             ^^^^^ no item named `1,0,0` 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 `0,0,1`
[INFO] [stdout]    --> src/learning/naive_bayes.rs:106:37
[INFO] [stdout]     |
[INFO] [stdout] 106 | /// the input class. e.g. [[1,0,0],[0,0,1]] shows class 1 first, then class 3.
[INFO] [stdout]     |                                     ^^^^^ no item named `0,0,1` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `f64`
[INFO] [stdout]    --> src/learning/gmm.rs:187:34
[INFO] [stdout]     |
[INFO] [stdout] 187 |     /// Returns an Option<&Matrix<f64>> containing
[INFO] [stdout]     |                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_html_tags)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `f64`
[INFO] [stdout]    --> src/learning/gmm.rs:196:38
[INFO] [stdout]     |
[INFO] [stdout] 196 |     /// Returns an Option<&Vec<Matrix<f64>>> containing
[INFO] [stdout]     |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "f1d4af987f21e9f98707717c3e09211398b0aa0d19a3309ea66a4acf2b26b487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d4af987f21e9f98707717c3e09211398b0aa0d19a3309ea66a4acf2b26b487", kill_on_drop: false }`
[INFO] [stdout] f1d4af987f21e9f98707717c3e09211398b0aa0d19a3309ea66a4acf2b26b487
