[INFO] fetching crate mathru 0.16.2...
[INFO] documenting mathru-0.16.2 against da3f5c31e5535b3dc210067de660a45784ae1e9c for pr-162169
[INFO] extracting crate mathru 0.16.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mathru 0.16.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mathru 0.16.2
[INFO] tweaked toml for crates.io crate mathru 0.16.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mathru 0.16.2 on toolchain da3f5c31e5535b3dc210067de660a45784ae1e9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mathru 0.16.2 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" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a6a5c24513fb30c5492e7827c826f8eabe7f4da29fabdf743b0432c7c156cfa5
[INFO] running `Command { std: "docker" "start" "a6a5c24513fb30c5492e7827c826f8eabe7f4da29fabdf743b0432c7c156cfa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6a5c24513fb30c5492e7827c826f8eabe7f4da29fabdf743b0432c7c156cfa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a6a5c24513fb30c5492e7827c826f8eabe7f4da29fabdf743b0432c7c156cfa5" "/opt/rustwide/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6a5c24513fb30c5492e7827c826f8eabe7f4da29fabdf743b0432c7c156cfa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a6a5c24513fb30c5492e7827c826f8eabe7f4da29fabdf743b0432c7c156cfa5" "/opt/rustwide/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling lambert_w v1.2.28
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking thread-tree v0.3.3
[INFO] [stderr]  Documenting mathru v0.16.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]   --> src/optimization/conjugategradient.rs:94:1
[INFO] [stdout]    |
[INFO] [stdout] 94 | / pub struct ConjugateGradient<T> {
[INFO] [stdout] 95 | |     iters: u64,
[INFO] [stdout] 96 | |     epsilon: T,
[INFO] [stdout] 97 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the way this is parsed might change in the future
[INFO] [stdout]    = help: starts near `Conjugate Gradient method`
[INFO] [stdout]    = help: ends near `Conjugate Gradient method`
[INFO] [stdout]    = note: `#[deny(rustdoc::unportable_markdown)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]   --> src/optimization/gaussnewton.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / pub struct GaussNewton<T> {
[INFO] [stdout] 17 | |     iters: u64,
[INFO] [stdout] 18 | |     __phantom: PhantomData<T>,
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the way this is parsed might change in the future
[INFO] [stdout]    = help: starts near `Gauss-Newton method`
[INFO] [stdout]    = help: ends near `Gauss-Newton method`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]   --> src/optimization/gradient.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | / pub struct Gradient<T> {
[INFO] [stdout] 38 | |     /// Learning rate
[INFO] [stdout] 39 | |     sigma: T,
[INFO] [stdout] 40 | |     /// The number of iterations to run.
[INFO] [stdout] 41 | |     iters: usize,
[INFO] [stdout] 42 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the way this is parsed might change in the future
[INFO] [stdout]    = help: starts near `Gradient mehtod`
[INFO] [stdout]    = help: ends near `Gradient method`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]   --> src/optimization/gradient.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | / pub struct Gradient<T> {
[INFO] [stdout] 38 | |     /// Learning rate
[INFO] [stdout] 39 | |     sigma: T,
[INFO] [stdout] 40 | |     /// The number of iterations to run.
[INFO] [stdout] 41 | |     iters: usize,
[INFO] [stdout] 42 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the way this is parsed might change in the future
[INFO] [stdout]    = help: starts near `Gradient method`
[INFO] [stdout]    = help: ends near `Gradient method`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]   --> src/optimization/levenbergmarquardt.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | / pub struct LevenbergMarquardt<T> {
[INFO] [stdout] 36 | |     iters: u64,
[INFO] [stdout] 37 | |     beta_0: T,
[INFO] [stdout] 38 | |     beta_1: T,
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the way this is parsed might change in the future
[INFO] [stdout]    = help: starts near `Levenberg Marquardt method`
[INFO] [stdout]    = help: ends near `Levenberg-Marquardt method`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]   --> src/optimization/levenbergmarquardt.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | / pub struct LevenbergMarquardt<T> {
[INFO] [stdout] 36 | |     iters: u64,
[INFO] [stdout] 37 | |     beta_0: T,
[INFO] [stdout] 38 | |     beta_1: T,
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the way this is parsed might change in the future
[INFO] [stdout]    = help: starts near `Levenberg-Marquardt method`
[INFO] [stdout]    = help: ends near `Levenberg-Marquardt method`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]   --> src/optimization/newton.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | / pub struct Newton<T> {
[INFO] [stdout] 47 | |     iters: u64,
[INFO] [stdout] 48 | |     sigma: T,
[INFO] [stdout] 49 | |     rho: T,
[INFO] [stdout] 50 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the way this is parsed might change in the future
[INFO] [stdout]    = help: starts near `Newton's method`
[INFO] [stdout]    = help: ends near `Newton's method`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `mathru`
[INFO] running `Command { std: "docker" "inspect" "a6a5c24513fb30c5492e7827c826f8eabe7f4da29fabdf743b0432c7c156cfa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a5c24513fb30c5492e7827c826f8eabe7f4da29fabdf743b0432c7c156cfa5", kill_on_drop: false }`
[INFO] [stdout] a6a5c24513fb30c5492e7827c826f8eabe7f4da29fabdf743b0432c7c156cfa5
