[INFO] fetching crate rkm 0.8.1...
[INFO] testing rkm-0.8.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate rkm 0.8.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rkm 0.8.1
[INFO] finished tweaking crates.io crate rkm 0.8.1
[INFO] tweaked toml for crates.io crate rkm 0.8.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rkm 0.8.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rkm 0.8.1 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray-parallel v0.9.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.6
[INFO] [stderr]   Downloaded csv-core v0.1.6
[INFO] [stderr]   Downloaded rayon-core v1.7.0
[INFO] [stderr]   Downloaded memchr v2.3.0
[INFO] [stderr]   Downloaded bencher v0.1.5
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.1
[INFO] [stderr]   Downloaded num-bigint v0.2.5
[INFO] [stderr]   Downloaded rayon v1.3.0
[INFO] [stderr]   Downloaded regex-automata v0.1.8
[INFO] [stderr]   Downloaded ndarray v0.12.1
[INFO] [stderr]   Downloaded bstr v0.2.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2de98e21aa97cc3ea94efb393806f7d2a4de47a1e51ecfe601d2cb1543b86caf
[INFO] running `Command { std: "docker" "start" "-a" "2de98e21aa97cc3ea94efb393806f7d2a4de47a1e51ecfe601d2cb1543b86caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2de98e21aa97cc3ea94efb393806f7d2a4de47a1e51ecfe601d2cb1543b86caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2de98e21aa97cc3ea94efb393806f7d2a4de47a1e51ecfe601d2cb1543b86caf", kill_on_drop: false }`
[INFO] [stdout] 2de98e21aa97cc3ea94efb393806f7d2a4de47a1e51ecfe601d2cb1543b86caf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3c315ddb12f9e1400dca02ff78d388c5e76ffa1c78f49c2ed9fbdf6b5cc50e4
[INFO] running `Command { std: "docker" "start" "-a" "c3c315ddb12f9e1400dca02ff78d388c5e76ffa1c78f49c2ed9fbdf6b5cc50e4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling num-bigint v0.2.5
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling bstr v0.2.9
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling rkm v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.19s
[INFO] running `Command { std: "docker" "inspect" "c3c315ddb12f9e1400dca02ff78d388c5e76ffa1c78f49c2ed9fbdf6b5cc50e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3c315ddb12f9e1400dca02ff78d388c5e76ffa1c78f49c2ed9fbdf6b5cc50e4", kill_on_drop: false }`
[INFO] [stdout] c3c315ddb12f9e1400dca02ff78d388c5e76ffa1c78f49c2ed9fbdf6b5cc50e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dde47bdcd6d198fd626a537263bc05daf131ce16369f2fb0ab5655d7c9e0a7d4
[INFO] running `Command { std: "docker" "start" "-a" "dde47bdcd6d198fd626a537263bc05daf131ce16369f2fb0ab5655d7c9e0a7d4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling rkm v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "dde47bdcd6d198fd626a537263bc05daf131ce16369f2fb0ab5655d7c9e0a7d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dde47bdcd6d198fd626a537263bc05daf131ce16369f2fb0ab5655d7c9e0a7d4", kill_on_drop: false }`
[INFO] [stdout] dde47bdcd6d198fd626a537263bc05daf131ce16369f2fb0ab5655d7c9e0a7d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2b4c63abf232e56b036d5ec2f25bc07dcbb907ca99688035621d6cf7c34fdb9
[INFO] running `Command { std: "docker" "start" "-a" "a2b4c63abf232e56b036d5ec2f25bc07dcbb907ca99688035621d6cf7c34fdb9", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rkm-f50f896cd819a19d)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_closest_distances ... ok
[INFO] [stdout] test tests::test_closest_mean ... ok
[INFO] [stdout] test tests::test_distance ... ok
[INFO] [stdout] test tests::test_small_kmeans ... ok
[INFO] [stdout] test tests::test_calculate_means ... ok
[INFO] [stdout] test tests::test_min_k - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/example.rs (/opt/rustwide/target/debug/deps/rkm_example-8fd623425176a9a0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rkm
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "a2b4c63abf232e56b036d5ec2f25bc07dcbb907ca99688035621d6cf7c34fdb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b4c63abf232e56b036d5ec2f25bc07dcbb907ca99688035621d6cf7c34fdb9", kill_on_drop: false }`
[INFO] [stdout] a2b4c63abf232e56b036d5ec2f25bc07dcbb907ca99688035621d6cf7c34fdb9