[INFO] fetching crate openalgebra 0.0.1...
[INFO] testing openalgebra-0.0.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate openalgebra 0.0.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate openalgebra 0.0.1
[INFO] finished tweaking crates.io crate openalgebra 0.0.1
[INFO] tweaked toml for crates.io crate openalgebra 0.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate openalgebra 0.0.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[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 }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acf572e2177f758a6c4bc92ea4d854b26dd653021f4e29cb958c733dc8a1ee60
[INFO] running `Command { std: "docker" "start" "-a" "acf572e2177f758a6c4bc92ea4d854b26dd653021f4e29cb958c733dc8a1ee60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acf572e2177f758a6c4bc92ea4d854b26dd653021f4e29cb958c733dc8a1ee60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf572e2177f758a6c4bc92ea4d854b26dd653021f4e29cb958c733dc8a1ee60", kill_on_drop: false }`
[INFO] [stdout] acf572e2177f758a6c4bc92ea4d854b26dd653021f4e29cb958c733dc8a1ee60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3db68f068aa0186e9b17207a60f69b510d92f3e79257cdd17afa805fab40e1b4
[INFO] running `Command { std: "docker" "start" "-a" "3db68f068aa0186e9b17207a60f69b510d92f3e79257cdd17afa805fab40e1b4", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling arrayfire v3.8.0
[INFO] [stderr]    Compiling openalgebra v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Iter`
[INFO] [stdout]  --> src/matrix/impl_ops.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ::std::slice::{Iter};
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vector::Vector`
[INFO] [stdout]  --> src/tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use vector::Vector;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | mod tests;
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `norm::Norm`
[INFO] [stdout]  --> src/tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use norm::Norm;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | mod tests;
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: missing generics for struct `af::Array`
[INFO] [stdout]    --> src/vector/mod.rs:10:18
[INFO] [stdout]     |
[INFO] [stdout]  10 |     backend: af::Array,
[INFO] [stdout]     |                  ^^^^^ expected 1 generic argument
[INFO] [stdout]     |
[INFO] [stdout] note: struct defined here, with 1 generic parameter: `T`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub struct Array<T: HasAfEnum> {
[INFO] [stdout]     |            ^^^^^ -
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]     |
[INFO] [stdout]  10 |     backend: af::Array<T>,
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: missing generics for struct `af::Array`
[INFO] [stdout]    --> src/matrix/mod.rs:17:18
[INFO] [stdout]     |
[INFO] [stdout]  17 |     backend: af::Array,
[INFO] [stdout]     |                  ^^^^^ expected 1 generic argument
[INFO] [stdout]     |
[INFO] [stdout] note: struct defined here, with 1 generic parameter: `T`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub struct Array<T: HasAfEnum> {
[INFO] [stdout]     |            ^^^^^ -
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]     |
[INFO] [stdout]  17 |     backend: af::Array<T>,
[INFO] [stdout]     |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: missing generics for struct `af::Array`
[INFO] [stdout]    --> src/vector/impl_ops.rs:156:15
[INFO] [stdout]     |
[INFO] [stdout] 156 | impl From<af::Array> for Vector {
[INFO] [stdout]     |               ^^^^^ expected 1 generic argument
[INFO] [stdout]     |
[INFO] [stdout] note: struct defined here, with 1 generic parameter: `T`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub struct Array<T: HasAfEnum> {
[INFO] [stdout]     |            ^^^^^ -
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]     |
[INFO] [stdout] 156 | impl From<af::Array<T>> for Vector {
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: missing generics for struct `af::Array`
[INFO] [stdout]    --> src/matrix/impl_ops.rs:390:15
[INFO] [stdout]     |
[INFO] [stdout] 390 | impl From<af::Array> for Matrix {
[INFO] [stdout]     |               ^^^^^ expected 1 generic argument
[INFO] [stdout]     |
[INFO] [stdout] note: struct defined here, with 1 generic parameter: `T`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub struct Array<T: HasAfEnum> {
[INFO] [stdout]     |            ^^^^^ -
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]     |
[INFO] [stdout] 390 | impl From<af::Array<T>> for Matrix {
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: missing generics for struct `af::Array`
[INFO] [stdout]    --> src/vector/impl_ops.rs:157:24
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn from(array: af::Array) -> Vector {
[INFO] [stdout]     |                        ^^^^^ expected 1 generic argument
[INFO] [stdout]     |
[INFO] [stdout] note: struct defined here, with 1 generic parameter: `T`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub struct Array<T: HasAfEnum> {
[INFO] [stdout]     |            ^^^^^ -
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn from(array: af::Array<T>) -> Vector {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: missing generics for struct `af::Array`
[INFO] [stdout]    --> src/matrix/impl_ops.rs:391:24
[INFO] [stdout]     |
[INFO] [stdout] 391 |     fn from(array: af::Array) -> Matrix {
[INFO] [stdout]     |                        ^^^^^ expected 1 generic argument
[INFO] [stdout]     |
[INFO] [stdout] note: struct defined here, with 1 generic parameter: `T`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub struct Array<T: HasAfEnum> {
[INFO] [stdout]     |            ^^^^^ -
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]     |
[INFO] [stdout] 391 |     fn from(array: af::Array<T>) -> Matrix {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: missing generics for struct `af::Array`
[INFO] [stdout]    --> src/matrix/impl_ops.rs:313:32
[INFO] [stdout]     |
[INFO] [stdout] 313 |         let backends: Vec<&af::Array> = matrices.into_iter().map(|m| &m.backend).collect();
[INFO] [stdout]     |                                ^^^^^ expected 1 generic argument
[INFO] [stdout]     |
[INFO] [stdout] note: struct defined here, with 1 generic parameter: `T`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub struct Array<T: HasAfEnum> {
[INFO] [stdout]     |            ^^^^^ -
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]     |
[INFO] [stdout] 313 |         let backends: Vec<&af::Array<T>> = matrices.into_iter().map(|m| &m.backend).collect();
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: missing generics for struct `af::Array`
[INFO] [stdout]    --> src/matrix/impl_ops.rs:322:32
[INFO] [stdout]     |
[INFO] [stdout] 322 |         let backends: Vec<&af::Array> = matrices.into_iter().map(|m| &m.backend).collect();
[INFO] [stdout]     |                                ^^^^^ expected 1 generic argument
[INFO] [stdout]     |
[INFO] [stdout] note: struct defined here, with 1 generic parameter: `T`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayfire-3.8.0/src/core/array.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub struct Array<T: HasAfEnum> {
[INFO] [stdout]     |            ^^^^^ -
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]     |
[INFO] [stdout] 322 |         let backends: Vec<&af::Array<T>> = matrices.into_iter().map(|m| &m.backend).collect();
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> src/matrix/impl_ops.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         for row in 0..rows {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]   --> src/matrix/impl_ops.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             for col in 0..cols {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `openalgebra` (lib) due to 8 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3db68f068aa0186e9b17207a60f69b510d92f3e79257cdd17afa805fab40e1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3db68f068aa0186e9b17207a60f69b510d92f3e79257cdd17afa805fab40e1b4", kill_on_drop: false }`
[INFO] [stdout] 3db68f068aa0186e9b17207a60f69b510d92f3e79257cdd17afa805fab40e1b4
