[INFO] fetching crate optimization_engine 0.9.1...
[INFO] documenting optimization_engine-0.9.1 against beta-2026-01-26 for beta-1.94-rustdoc-2
[INFO] extracting crate optimization_engine 0.9.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate optimization_engine 0.9.1
[INFO] finished tweaking crates.io crate optimization_engine 0.9.1
[INFO] tweaked toml for crates.io crate optimization_engine 0.9.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate optimization_engine 0.9.1 on toolchain beta-2026-01-26
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-26" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate optimization_engine 0.9.1 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" "+beta-2026-01-26" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-26" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d1da57dd83bd125f1eddb19e9a4f24143f53c947695fdb80f74ee998c8c9ab8
[INFO] running `Command { std: "docker" "start" "-a" "8d1da57dd83bd125f1eddb19e9a4f24143f53c947695fdb80f74ee998c8c9ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d1da57dd83bd125f1eddb19e9a4f24143f53c947695fdb80f74ee998c8c9ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d1da57dd83bd125f1eddb19e9a4f24143f53c947695fdb80f74ee998c8c9ab8", kill_on_drop: false }`
[INFO] [stdout] 8d1da57dd83bd125f1eddb19e9a4f24143f53c947695fdb80f74ee998c8c9ab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-26" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 252d8bd92ce5382cad05d420ba082b75fd0ae093a7d95426cc26506439a94d55
[INFO] running `Command { std: "docker" "start" "-a" "252d8bd92ce5382cad05d420ba082b75fd0ae093a7d95426cc26506439a94d55", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking roots v0.0.8
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking lbfgs v0.2.1
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]     Checking modcholesky v0.1.4
[INFO] [stdout] error[E0309]: the parameter type `T` may not live long enough
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/modcholesky-0.1.4/src/utils.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn index_of_largest<'a, T>(c: &ndarray::ArrayView1<T>) -> usize
[INFO] [stdout]    |                         -- the parameter type `T` must be valid for the lifetime `'a` as defined here...
[INFO] [stdout] ...
[INFO] [stdout] 55 |         std::cmp::PartialOrd + num::traits::Signed + Clone,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ ...so that the reference type `&'a T` does not outlive the data it points at
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn index_of_largest<'a, T: 'a>(c: &ndarray::ArrayView1<T>) -> usize
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0309]: the parameter type `T` may not live long enough
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/modcholesky-0.1.4/src/utils.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn index_of_largest_abs<'a, T>(c: &ndarray::ArrayView1<T>) -> usize
[INFO] [stdout]    |                             -- the parameter type `T` must be valid for the lifetime `'a` as defined here...
[INFO] [stdout] ...
[INFO] [stdout] 76 |         std::cmp::PartialOrd + num::traits::Signed + Clone,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ ...so that the reference type `&'a T` does not outlive the data it points at
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn index_of_largest_abs<'a, T: 'a>(c: &ndarray::ArrayView1<T>) -> usize
[INFO] [stdout]    |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0309`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `modcholesky` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "252d8bd92ce5382cad05d420ba082b75fd0ae093a7d95426cc26506439a94d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "252d8bd92ce5382cad05d420ba082b75fd0ae093a7d95426cc26506439a94d55", kill_on_drop: false }`
[INFO] [stdout] 252d8bd92ce5382cad05d420ba082b75fd0ae093a7d95426cc26506439a94d55