[INFO] fetching crate klu-rs 0.4.0... [INFO] testing klu-rs-0.4.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate klu-rs 0.4.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate klu-rs 0.4.0 [INFO] finished tweaking crates.io crate klu-rs 0.4.0 [INFO] tweaked toml for crates.io crate klu-rs 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate klu-rs 0.4.0 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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 45 packages to latest compatible versions [INFO] [stderr] Adding float-cmp v0.9.0 (available: v0.10.0) [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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d7df7fe884c67ff0def01c2dbc9411c61a5ddf41e8867607b305c17f85fcaccd [INFO] running `Command { std: "docker" "start" "-a" "d7df7fe884c67ff0def01c2dbc9411c61a5ddf41e8867607b305c17f85fcaccd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d7df7fe884c67ff0def01c2dbc9411c61a5ddf41e8867607b305c17f85fcaccd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7df7fe884c67ff0def01c2dbc9411c61a5ddf41e8867607b305c17f85fcaccd", kill_on_drop: false }` [INFO] [stdout] d7df7fe884c67ff0def01c2dbc9411c61a5ddf41e8867607b305c17f85fcaccd [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 37595c4f32fc0ecaae83f058d9ae1abc52aadb3b3e96220bd9673cd11909c677 [INFO] running `Command { std: "docker" "start" "-a" "37595c4f32fc0ecaae83f058d9ae1abc52aadb3b3e96220bd9673cd11909c677", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling klu_sys v0.2.0 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling klu-rs v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:305:17 [INFO] [stdout] | [INFO] [stdout] 305 | Box::from_raw(data.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 305 | let _ = Box::from_raw(data.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.28s [INFO] running `Command { std: "docker" "inspect" "37595c4f32fc0ecaae83f058d9ae1abc52aadb3b3e96220bd9673cd11909c677", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37595c4f32fc0ecaae83f058d9ae1abc52aadb3b3e96220bd9673cd11909c677", kill_on_drop: false }` [INFO] [stdout] 37595c4f32fc0ecaae83f058d9ae1abc52aadb3b3e96220bd9673cd11909c677 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c537753095c20e367861630bf902ee16ec7a0876e5bbdc13383e63b90485e6d7 [INFO] running `Command { std: "docker" "start" "-a" "c537753095c20e367861630bf902ee16ec7a0876e5bbdc13383e63b90485e6d7", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling rustix v1.1.2 [INFO] [stderr] Compiling linux-raw-sys v0.11.0 [INFO] [stderr] Compiling bitflags v2.9.4 [INFO] [stderr] Compiling fastrand v2.3.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling wait-timeout v0.2.1 [INFO] [stderr] Compiling bit-vec v0.8.0 [INFO] [stderr] Compiling bit-set v0.8.0 [INFO] [stderr] Compiling unarray v0.1.4 [INFO] [stderr] Compiling float-cmp v0.9.0 [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:305:17 [INFO] [stdout] | [INFO] [stdout] 305 | Box::from_raw(data.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 305 | let _ = Box::from_raw(data.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_core v0.9.3 [INFO] [stderr] Compiling rand v0.9.2 [INFO] [stderr] Compiling rand_xorshift v0.4.0 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Compiling tempfile v3.23.0 [INFO] [stderr] Compiling rusty-fork v0.3.0 [INFO] [stderr] Compiling proptest v1.8.0 [INFO] [stderr] Compiling klu-rs v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:305:17 [INFO] [stdout] | [INFO] [stdout] 305 | Box::from_raw(data.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 305 | let _ = Box::from_raw(data.as_ptr()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 13.11s [INFO] running `Command { std: "docker" "inspect" "c537753095c20e367861630bf902ee16ec7a0876e5bbdc13383e63b90485e6d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c537753095c20e367861630bf902ee16ec7a0876e5bbdc13383e63b90485e6d7", kill_on_drop: false }` [INFO] [stdout] c537753095c20e367861630bf902ee16ec7a0876e5bbdc13383e63b90485e6d7 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ee018e9c03c9992eeba497772f35dd889bc32b2a4cda4eeae6214afb244b159f [INFO] running `Command { std: "docker" "start" "-a" "ee018e9c03c9992eeba497772f35dd889bc32b2a4cda4eeae6214afb244b159f", kill_on_drop: false }` [INFO] [stderr] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stderr] --> src/lib.rs:305:17 [INFO] [stderr] | [INFO] [stderr] 305 | Box::from_raw(data.as_ptr()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 305 | let _ = Box::from_raw(data.as_ptr()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `klu-rs` (lib) generated 1 warning [INFO] [stderr] warning: `klu-rs` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/klu_rs-299dda3d6560140a) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test test::smoke_test ... ok [INFO] [stdout] test test::solve_real_linear_system ... ok [INFO] [stdout] test test::solve_complex_linear_system ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 27.13s [INFO] [stdout] [INFO] [stderr] Doc-tests klu_rs [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" "ee018e9c03c9992eeba497772f35dd889bc32b2a4cda4eeae6214afb244b159f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee018e9c03c9992eeba497772f35dd889bc32b2a4cda4eeae6214afb244b159f", kill_on_drop: false }` [INFO] [stdout] ee018e9c03c9992eeba497772f35dd889bc32b2a4cda4eeae6214afb244b159f