[INFO] fetching crate qualinvest 0.2.1...
[INFO] testing qualinvest-0.2.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate qualinvest 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate qualinvest 0.2.1
[INFO] finished tweaking crates.io crate qualinvest 0.2.1
[INFO] tweaked toml for crates.io crate qualinvest 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate qualinvest 0.2.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate qualinvest 0.2.1 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 82a43ce644a3b9c25d424e95c0db28ce5c8e9752363252fb96496b2a4c14e8fe
[INFO] running `Command { std: "docker" "start" "-a" "82a43ce644a3b9c25d424e95c0db28ce5c8e9752363252fb96496b2a4c14e8fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82a43ce644a3b9c25d424e95c0db28ce5c8e9752363252fb96496b2a4c14e8fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a43ce644a3b9c25d424e95c0db28ce5c8e9752363252fb96496b2a4c14e8fe", kill_on_drop: false }`
[INFO] [stdout] 82a43ce644a3b9c25d424e95c0db28ce5c8e9752363252fb96496b2a4c14e8fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9414469704a2e6faafc2d8a7f01380cb7472fceead53269abf35e1ebffe1f37
[INFO] running `Command { std: "docker" "start" "-a" "a9414469704a2e6faafc2d8a7f01380cb7472fceead53269abf35e1ebffe1f37", kill_on_drop: false }`
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[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-0.1.2/src/utils.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 54 | 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] 57 |         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] 54 | 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-0.1.2/src/utils.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | 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] 80 |         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] 77 | 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" "a9414469704a2e6faafc2d8a7f01380cb7472fceead53269abf35e1ebffe1f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9414469704a2e6faafc2d8a7f01380cb7472fceead53269abf35e1ebffe1f37", kill_on_drop: false }`
[INFO] [stdout] a9414469704a2e6faafc2d8a7f01380cb7472fceead53269abf35e1ebffe1f37
