[INFO] cloning repository https://github.com/j-1in/nanoflare
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/j-1in/nanoflare" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-1in%2Fnanoflare", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-1in%2Fnanoflare'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 000727aaa0b6464af661e01ec57df2710f897ec8
[INFO] testing j-1in/nanoflare against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-1in%2Fnanoflare" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/j-1in/nanoflare
[INFO] finished tweaking git repo https://github.com/j-1in/nanoflare
[INFO] tweaked toml for git repo https://github.com/j-1in/nanoflare written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/j-1in/nanoflare on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/j-1in/nanoflare 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a2642fb269556dfce676131a76bae61d75e4da5eb8b197baf1fc1c20a03365d
[INFO] running `Command { std: "docker" "start" "-a" "2a2642fb269556dfce676131a76bae61d75e4da5eb8b197baf1fc1c20a03365d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a2642fb269556dfce676131a76bae61d75e4da5eb8b197baf1fc1c20a03365d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a2642fb269556dfce676131a76bae61d75e4da5eb8b197baf1fc1c20a03365d", kill_on_drop: false }`
[INFO] [stdout] 2a2642fb269556dfce676131a76bae61d75e4da5eb8b197baf1fc1c20a03365d
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29781ae8e89e151e4653bc82b6fec9e72b956cc50d9a152202c3c126ed3ed652
[INFO] running `Command { std: "docker" "start" "-a" "29781ae8e89e151e4653bc82b6fec9e72b956cc50d9a152202c3c126ed3ed652", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling nanoflare v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend/cpu.rs:63:22
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn matmul(&self, a: &Tensor<T, Self>, b: &Tensor<T, Self>) -> Result<Tensor<T, Self>> {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend/cpu.rs:63:43
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn matmul(&self, a: &Tensor<T, Self>, b: &Tensor<T, Self>) -> Result<Tensor<T, Self>> {
[INFO] [stdout]    |                                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indices`
[INFO] [stdout]   --> src/layout.rs:37:48
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn get<I: AsRef<[TensorIndex]>>(&self, indices: I) -> Result<Self> {
[INFO] [stdout]    |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_indices`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inputs`
[INFO] [stdout]    --> src/ops.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |         inputs: &[Tensor<T, B>],
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inputs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grad`
[INFO] [stdout]    --> src/ops.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         grad: &Tensor<T, B>,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_grad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `backend`
[INFO] [stdout]    --> src/ops.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         backend: &Arc<B>,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_backend`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/ops.rs:257:24
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn validate_shapes(a: &Tensor<T, B>, b: &Tensor<T, B>) -> Result<()> {
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/ops.rs:257:42
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn validate_shapes(a: &Tensor<T, B>, b: &Tensor<T, B>) -> Result<()> {
[INFO] [stdout]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.79s
[INFO] running `Command { std: "docker" "inspect" "29781ae8e89e151e4653bc82b6fec9e72b956cc50d9a152202c3c126ed3ed652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29781ae8e89e151e4653bc82b6fec9e72b956cc50d9a152202c3c126ed3ed652", kill_on_drop: false }`
[INFO] [stdout] 29781ae8e89e151e4653bc82b6fec9e72b956cc50d9a152202c3c126ed3ed652
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10cd0751fc17e11784249e60afdac72e03ae548c6db5d4fd2e2a598c6c7233dd
[INFO] running `Command { std: "docker" "start" "-a" "10cd0751fc17e11784249e60afdac72e03ae548c6db5d4fd2e2a598c6c7233dd", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend/cpu.rs:63:22
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn matmul(&self, a: &Tensor<T, Self>, b: &Tensor<T, Self>) -> Result<Tensor<T, Self>> {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend/cpu.rs:63:43
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn matmul(&self, a: &Tensor<T, Self>, b: &Tensor<T, Self>) -> Result<Tensor<T, Self>> {
[INFO] [stdout]    |                                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nanoflare v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `indices`
[INFO] [stdout]   --> src/layout.rs:37:48
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn get<I: AsRef<[TensorIndex]>>(&self, indices: I) -> Result<Self> {
[INFO] [stdout]    |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_indices`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inputs`
[INFO] [stdout]    --> src/ops.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |         inputs: &[Tensor<T, B>],
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inputs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grad`
[INFO] [stdout]    --> src/ops.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         grad: &Tensor<T, B>,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_grad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `backend`
[INFO] [stdout]    --> src/ops.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         backend: &Arc<B>,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_backend`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/ops.rs:257:24
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn validate_shapes(a: &Tensor<T, B>, b: &Tensor<T, B>) -> Result<()> {
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/ops.rs:257:42
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn validate_shapes(a: &Tensor<T, B>, b: &Tensor<T, B>) -> Result<()> {
[INFO] [stdout]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend/cpu.rs:63:22
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn matmul(&self, a: &Tensor<T, Self>, b: &Tensor<T, Self>) -> Result<Tensor<T, Self>> {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend/cpu.rs:63:43
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn matmul(&self, a: &Tensor<T, Self>, b: &Tensor<T, Self>) -> Result<Tensor<T, Self>> {
[INFO] [stdout]    |                                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indices`
[INFO] [stdout]   --> src/layout.rs:37:48
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn get<I: AsRef<[TensorIndex]>>(&self, indices: I) -> Result<Self> {
[INFO] [stdout]    |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_indices`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inputs`
[INFO] [stdout]    --> src/ops.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |         inputs: &[Tensor<T, B>],
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inputs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grad`
[INFO] [stdout]    --> src/ops.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         grad: &Tensor<T, B>,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_grad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `backend`
[INFO] [stdout]    --> src/ops.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         backend: &Arc<B>,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_backend`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/ops.rs:257:24
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn validate_shapes(a: &Tensor<T, B>, b: &Tensor<T, B>) -> Result<()> {
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/ops.rs:257:42
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn validate_shapes(a: &Tensor<T, B>, b: &Tensor<T, B>) -> Result<()> {
[INFO] [stdout]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "10cd0751fc17e11784249e60afdac72e03ae548c6db5d4fd2e2a598c6c7233dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10cd0751fc17e11784249e60afdac72e03ae548c6db5d4fd2e2a598c6c7233dd", kill_on_drop: false }`
[INFO] [stdout] 10cd0751fc17e11784249e60afdac72e03ae548c6db5d4fd2e2a598c6c7233dd
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bf6640f114e7c9b2a3d377b7207f36a86a37367be9a06665ba13f161a32038c8
[INFO] running `Command { std: "docker" "start" "-a" "bf6640f114e7c9b2a3d377b7207f36a86a37367be9a06665ba13f161a32038c8", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/backend/cpu.rs:63:22
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn matmul(&self, a: &Tensor<T, Self>, b: &Tensor<T, Self>) -> Result<Tensor<T, Self>> {
[INFO] [stderr]    |                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/backend/cpu.rs:63:43
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn matmul(&self, a: &Tensor<T, Self>, b: &Tensor<T, Self>) -> Result<Tensor<T, Self>> {
[INFO] [stderr]    |                                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `indices`
[INFO] [stderr]   --> src/layout.rs:37:48
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn get<I: AsRef<[TensorIndex]>>(&self, indices: I) -> Result<Self> {
[INFO] [stderr]    |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_indices`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `inputs`
[INFO] [stderr]    --> src/ops.rs:236:9
[INFO] [stderr]     |
[INFO] [stderr] 236 |         inputs: &[Tensor<T, B>],
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_inputs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `grad`
[INFO] [stderr]    --> src/ops.rs:237:9
[INFO] [stderr]     |
[INFO] [stderr] 237 |         grad: &Tensor<T, B>,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_grad`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `backend`
[INFO] [stderr]    --> src/ops.rs:238:9
[INFO] [stderr]     |
[INFO] [stderr] 238 |         backend: &Arc<B>,
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_backend`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/ops.rs:257:24
[INFO] [stderr]     |
[INFO] [stderr] 257 |     fn validate_shapes(a: &Tensor<T, B>, b: &Tensor<T, B>) -> Result<()> {
[INFO] [stderr]     |                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/ops.rs:257:42
[INFO] [stderr]     |
[INFO] [stderr] 257 |     fn validate_shapes(a: &Tensor<T, B>, b: &Tensor<T, B>) -> Result<()> {
[INFO] [stderr]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: `nanoflare` (lib) generated 8 warnings (run `cargo fix --lib -p nanoflare` to apply 8 suggestions)
[INFO] [stderr] warning: `nanoflare` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nanoflare-700ef47cd4d9a531)
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test backend::cpu::tests::tensor_addition ... ok
[INFO] [stdout] test layout::tests::merge_invalid_range ... ok
[INFO] [stdout] test layout::tests::merge_success ... ok
[INFO] [stdout] test layout::tests::ravel_index_correctly ... ok
[INFO] [stdout] test layout::tests::ravel_index_shape_mismatch ... ok
[INFO] [stdout] test layout::tests::reshape_from_noncontiguous_layout_returns_contiguous_strides ... ok
[INFO] [stdout] test layout::tests::reshape_preserves_size_and_recomputes_strides ... ok
[INFO] [stdout] test layout::tests::reshape_size_mismatch_error ... ok
[INFO] [stdout] test layout::tests::skip_axis_out_of_bounds_error ... ok
[INFO] [stdout] test layout::tests::skip_ravel_mapping_consistency ... ok
[INFO] [stdout] test layout::tests::compute_stride_correctly ... ok
[INFO] [stdout] test layout::tests::reshape_ravel_unravel_consistency ... ok
[INFO] [stdout] test layout::tests::split_middle_dim_preserves_flat_index ... ok
[INFO] [stdout] test layout::tests::split_success_exact ... ok
[INFO] [stdout] test layout::tests::unravel_index_correctly ... ok
[INFO] [stdout] test layout::tests::split_success_with_wildcard ... ok
[INFO] [stdout] test layout::tests::unravel_index_empty_shape ... ok
[INFO] [stdout] test layout::tests::unravel_index_out_of_range ... ok
[INFO] [stdout] test storage::tests::immut_cpu_storage_indexing ... ok
[INFO] [stdout] test storage::tests::tensor_storage_cpu_indexing ... ok
[INFO] [stdout] test layout::tests::skip_rounding_behavior_last_element_maps ... ok
[INFO] [stdout] test layout::tests::skip_shape_and_stride_changes ... ok
[INFO] [stdout] test layout::tests::skip_step_one_returns_identical ... ok
[INFO] [stdout] test layout::tests::slice_axis_out_of_bounds ... ok
[INFO] [stdout] test layout::tests::slice_invalid_range ... ok
[INFO] [stdout] test layout::tests::split_too_many_wildcards ... ok
[INFO] [stdout] test layout::tests::split_axis_out_of_bounds ... ok
[INFO] [stdout] test storage::tests::mut_cpu_storage_indexing ... ok
[INFO] [stdout] test layout::tests::split_invalid_dimension_split_with_wildcard ... ok
[INFO] [stdout] test layout::tests::skip_invalid_step_error ... ok
[INFO] [stdout] test layout::tests::slice_ravel_unravel_consistency ... ok
[INFO] [stdout] test layout::tests::slice_valid_shape_and_offset_preserved ... ok
[INFO] [stdout] test tensor::tests::test_tensor_indexing ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tensor::tests::test_tensor_indexing stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tensor::tests::test_tensor_indexing' (57) panicked at src/layout.rs:38:9:
[INFO] [stdout] not implemented
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a1813f5de82 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a1813f5de82 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a1813f5de82 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5a1813f5de82 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5a1813f6ea5a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5a1813f6ea5a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x5a1813f2ce06 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5a1813f2ce06 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5a1813f3d369 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5a1813f3d369 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5a1813f3d201 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5a1813f0177e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5a1813f0177e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5a1813f3d5e2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5a1813f3d5e2 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5a1813f3d45a - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5a1813f389b9 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5a1813f219fd - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5a1813f7601c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5a1813f75fe2 - core::panicking::panic::h6519d2e94a76dd19
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5a1813eca9d4 - nanoflare::layout::TensorLayout::get::h9a467404e5d700a7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/layout.rs:38:9
[INFO] [stdout]   21:     0x5a1813edf288 - nanoflare::tensor::Tensor<T,B>::get::h282fd79e99dcd12e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tensor.rs:162:34
[INFO] [stdout]   22:     0x5a1813ee06ed - nanoflare::tensor::tests::test_tensor_indexing::hb830c97e4622c200
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tensor.rs:457:30
[INFO] [stdout]   23:     0x5a1813ee10e7 - nanoflare::tensor::tests::test_tensor_indexing::{{closure}}::h922ca7035205fc80
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tensor.rs:451:30
[INFO] [stdout]   24:     0x5a1813ece3b6 - core::ops::function::FnOnce::call_once::h598a9bf7480abd66
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5a1813f0157b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5a1813f0157b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x5a1813f14f4a - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x5a1813f14f4a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x5a1813f14f4a - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x5a1813f14f4a - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x5a1813f14f4a - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5a1813f14f4a - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x5a1813f14f4a - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x5a1813eef3a4 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x5a1813eef3a4 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   36:     0x5a1813ef2c62 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   37:     0x5a1813ef2c62 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x5a1813ef2c62 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x5a1813ef2c62 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x5a1813ef2c62 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5a1813ef2c62 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   42:     0x5a1813ef2c62 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5a1813f33c4f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   44:     0x5a1813f33c4f - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   45:     0x71f7a9e54aa4 - <unknown>
[INFO] [stdout]   46:     0x71f7a9ee1a64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tensor::tests::test_tensor_indexing
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 32 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "bf6640f114e7c9b2a3d377b7207f36a86a37367be9a06665ba13f161a32038c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf6640f114e7c9b2a3d377b7207f36a86a37367be9a06665ba13f161a32038c8", kill_on_drop: false }`
[INFO] [stdout] bf6640f114e7c9b2a3d377b7207f36a86a37367be9a06665ba13f161a32038c8
