[INFO] fetching crate potpourri 0.0.1...
[INFO] testing potpourri-0.0.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate potpourri 0.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate potpourri 0.0.1
[INFO] finished tweaking crates.io crate potpourri 0.0.1
[INFO] tweaked toml for crates.io crate potpourri 0.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate potpourri 0.0.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 54 packages to latest compatible versions
[INFO] [stderr]       Adding ndarray v0.15.6 (available: v0.17.1)
[INFO] [stderr]       Adding ndarray-rand v0.14.0 (available: v0.16.0)
[INFO] [stderr]       Adding ractor v0.7.6 (available: v0.15.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45ba6a2849ae5448f248ef36679cfbb4d95abe61f9bb5cd4b3bf3b4799839206
[INFO] running `Command { std: "docker" "start" "-a" "45ba6a2849ae5448f248ef36679cfbb4d95abe61f9bb5cd4b3bf3b4799839206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45ba6a2849ae5448f248ef36679cfbb4d95abe61f9bb5cd4b3bf3b4799839206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45ba6a2849ae5448f248ef36679cfbb4d95abe61f9bb5cd4b3bf3b4799839206", kill_on_drop: false }`
[INFO] [stdout] 45ba6a2849ae5448f248ef36679cfbb4d95abe61f9bb5cd4b3bf3b4799839206
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 425ff77f918431d624f1c7c616d2b205ba8d14aab51438b69f08b2a726469fa9
[INFO] running `Command { std: "docker" "start" "-a" "425ff77f918431d624f1c7c616d2b205ba8d14aab51438b69f08b2a726469fa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling potpourri v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/lib.rs:97:23
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn fit(&mut self, data: Self::DataIn<'_>) {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lib.rs:101:23
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn predict(&self, data: &Self::DataIn<'_>) -> Self::DataOut {
[INFO] [stdout]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "425ff77f918431d624f1c7c616d2b205ba8d14aab51438b69f08b2a726469fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "425ff77f918431d624f1c7c616d2b205ba8d14aab51438b69f08b2a726469fa9", kill_on_drop: false }`
[INFO] [stdout] 425ff77f918431d624f1c7c616d2b205ba8d14aab51438b69f08b2a726469fa9
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc3b7ccdd017554af21f9aae1e294e45c3c9b4679080d8345aa34b86bc42d721
[INFO] running `Command { std: "docker" "start" "-a" "bc3b7ccdd017554af21f9aae1e294e45c3c9b4679080d8345aa34b86bc42d721", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/lib.rs:97:23
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn fit(&mut self, data: Self::DataIn<'_>) {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lib.rs:101:23
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn predict(&self, data: &Self::DataIn<'_>) -> Self::DataOut {
[INFO] [stdout]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling potpourri v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/lib.rs:97:23
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn fit(&mut self, data: Self::DataIn<'_>) {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lib.rs:101:23
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn predict(&self, data: &Self::DataIn<'_>) -> Self::DataOut {
[INFO] [stdout]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "bc3b7ccdd017554af21f9aae1e294e45c3c9b4679080d8345aa34b86bc42d721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc3b7ccdd017554af21f9aae1e294e45c3c9b4679080d8345aa34b86bc42d721", kill_on_drop: false }`
[INFO] [stdout] bc3b7ccdd017554af21f9aae1e294e45c3c9b4679080d8345aa34b86bc42d721
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9373eb899af8bb2f355fa86f1256c2bd816f69ff01bf7cc94bacfdf430f75384
[INFO] running `Command { std: "docker" "start" "-a" "9373eb899af8bb2f355fa86f1256c2bd816f69ff01bf7cc94bacfdf430f75384", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/lib.rs:97:23
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn fit(&mut self, data: Self::DataIn<'_>) {
[INFO] [stderr]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/lib.rs:101:23
[INFO] [stderr]     |
[INFO] [stderr] 101 |     fn predict(&self, data: &Self::DataIn<'_>) -> Self::DataOut {
[INFO] [stderr]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: `potpourri` (lib) generated 2 warnings (run `cargo fix --lib -p potpourri` to apply 2 suggestions)
[INFO] [stderr] warning: `potpourri` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/potpourri-ceef59efc7d984a0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests potpourri
[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" "9373eb899af8bb2f355fa86f1256c2bd816f69ff01bf7cc94bacfdf430f75384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9373eb899af8bb2f355fa86f1256c2bd816f69ff01bf7cc94bacfdf430f75384", kill_on_drop: false }`
[INFO] [stdout] 9373eb899af8bb2f355fa86f1256c2bd816f69ff01bf7cc94bacfdf430f75384