[INFO] fetching crate omen 0.1.0...
[INFO] testing omen-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate omen 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate omen 0.1.0
[INFO] finished tweaking crates.io crate omen 0.1.0
[INFO] tweaked toml for crates.io crate omen 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate omen 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46b0dee432fc82d133a3ee2c29ae31ffbb847d8f7098307d1a466867e1eb8b4b
[INFO] running `Command { std: "docker" "start" "-a" "46b0dee432fc82d133a3ee2c29ae31ffbb847d8f7098307d1a466867e1eb8b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46b0dee432fc82d133a3ee2c29ae31ffbb847d8f7098307d1a466867e1eb8b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46b0dee432fc82d133a3ee2c29ae31ffbb847d8f7098307d1a466867e1eb8b4b", kill_on_drop: false }`
[INFO] [stdout] 46b0dee432fc82d133a3ee2c29ae31ffbb847d8f7098307d1a466867e1eb8b4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7d9321a099546858a321353eadaaf5f4dd6cdfa8662f0f97bc1d3514383263b
[INFO] running `Command { std: "docker" "start" "-a" "f7d9321a099546858a321353eadaaf5f4dd6cdfa8662f0f97bc1d3514383263b", kill_on_drop: false }`
[INFO] [stderr]    Compiling omen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `out_dim`
[INFO] [stdout]   --> src/tensors/mod.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let out_dim = self.shape.ndim() - index.len();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_dim`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "f7d9321a099546858a321353eadaaf5f4dd6cdfa8662f0f97bc1d3514383263b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7d9321a099546858a321353eadaaf5f4dd6cdfa8662f0f97bc1d3514383263b", kill_on_drop: false }`
[INFO] [stdout] f7d9321a099546858a321353eadaaf5f4dd6cdfa8662f0f97bc1d3514383263b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae8baca0c85e9d0560e2dce1a38ae8b5f3ee637fcdb8ed897ee4ae66b43d6b29
[INFO] running `Command { std: "docker" "start" "-a" "ae8baca0c85e9d0560e2dce1a38ae8b5f3ee637fcdb8ed897ee4ae66b43d6b29", kill_on_drop: false }`
[INFO] [stderr]    Compiling omen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `out_dim`
[INFO] [stdout]   --> src/tensors/mod.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let out_dim = self.shape.ndim() - index.len();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_dim`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out_dim`
[INFO] [stdout]   --> src/tensors/mod.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let out_dim = self.shape.ndim() - index.len();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_dim`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "ae8baca0c85e9d0560e2dce1a38ae8b5f3ee637fcdb8ed897ee4ae66b43d6b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8baca0c85e9d0560e2dce1a38ae8b5f3ee637fcdb8ed897ee4ae66b43d6b29", kill_on_drop: false }`
[INFO] [stdout] ae8baca0c85e9d0560e2dce1a38ae8b5f3ee637fcdb8ed897ee4ae66b43d6b29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0c80fbe590063b94e24027af612654af482e70a55d08eafbaea1257b7cb390ce
[INFO] running `Command { std: "docker" "start" "-a" "0c80fbe590063b94e24027af612654af482e70a55d08eafbaea1257b7cb390ce", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `out_dim`
[INFO] [stderr]   --> src/tensors/mod.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let out_dim = self.shape.ndim() - index.len();
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_dim`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `omen` (lib) generated 1 warning
[INFO] [stderr] warning: `omen` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/omen-7ff4039f5517f916)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tensors::tests::create_3d_tensor ... ok
[INFO] [stdout] test tensors::tests::get_vector_from_tensor ... ok
[INFO] [stdout] test tensors::tests::fail_if_tensor_dims_are_not_uniform - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests omen
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0c80fbe590063b94e24027af612654af482e70a55d08eafbaea1257b7cb390ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c80fbe590063b94e24027af612654af482e70a55d08eafbaea1257b7cb390ce", kill_on_drop: false }`
[INFO] [stdout] 0c80fbe590063b94e24027af612654af482e70a55d08eafbaea1257b7cb390ce