[INFO] fetching crate neco-kmeans 0.1.0...
[INFO] testing neco-kmeans-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate neco-kmeans 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate neco-kmeans 0.1.0
[INFO] finished tweaking crates.io crate neco-kmeans 0.1.0
[INFO] tweaked toml for crates.io crate neco-kmeans 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate neco-kmeans 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate neco-kmeans 0.1.0 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0e4b98aac5efbe52dd76538d04feb340c62f9678de19e010e7688846abe5d51
[INFO] running `Command { std: "docker" "start" "-a" "e0e4b98aac5efbe52dd76538d04feb340c62f9678de19e010e7688846abe5d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0e4b98aac5efbe52dd76538d04feb340c62f9678de19e010e7688846abe5d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0e4b98aac5efbe52dd76538d04feb340c62f9678de19e010e7688846abe5d51", kill_on_drop: false }`
[INFO] [stdout] e0e4b98aac5efbe52dd76538d04feb340c62f9678de19e010e7688846abe5d51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d081f3b2a37bc53433154a4ac2b967f16529cd43e0fe560a077e3599016ca3f
[INFO] running `Command { std: "docker" "start" "-a" "6d081f3b2a37bc53433154a4ac2b967f16529cd43e0fe560a077e3599016ca3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling neco-kmeans v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "6d081f3b2a37bc53433154a4ac2b967f16529cd43e0fe560a077e3599016ca3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d081f3b2a37bc53433154a4ac2b967f16529cd43e0fe560a077e3599016ca3f", kill_on_drop: false }`
[INFO] [stdout] 6d081f3b2a37bc53433154a4ac2b967f16529cd43e0fe560a077e3599016ca3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05c807da55d75a6e006bdba6ceee53985c996bdb35c6c9767af5c83f46f44fe1
[INFO] running `Command { std: "docker" "start" "-a" "05c807da55d75a6e006bdba6ceee53985c996bdb35c6c9767af5c83f46f44fe1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling clap v4.6.0
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling neco-kmeans v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.35s
[INFO] running `Command { std: "docker" "inspect" "05c807da55d75a6e006bdba6ceee53985c996bdb35c6c9767af5c83f46f44fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c807da55d75a6e006bdba6ceee53985c996bdb35c6c9767af5c83f46f44fe1", kill_on_drop: false }`
[INFO] [stdout] 05c807da55d75a6e006bdba6ceee53985c996bdb35c6c9767af5c83f46f44fe1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e46b5beb7d9254f0992cbd3ee69adf8936c1fd8b32a60c457a946b5f3ebf1e95
[INFO] running `Command { std: "docker" "start" "-a" "e46b5beb7d9254f0992cbd3ee69adf8936c1fd8b32a60c457a946b5f3ebf1e95", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/neco_kmeans-510671e81baf9882)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test kmeans::tests::centroid_accessor ... ok
[INFO] [stdout] test kmeans::tests::converges_in_few_iterations ... ok
[INFO] [stdout] test kmeans::tests::invalid_inputs_return_errors ... ok
[INFO] [stdout] test kmeans::tests::k_equals_n ... ok
[INFO] [stdout] test kmeans::tests::single_cluster ... ok
[INFO] [stdout] test kmeans::tests::three_clusters_2d ... ok
[INFO] [stdout] test kmeans::tests::two_clusters_1d ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests neco_kmeans
[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" "e46b5beb7d9254f0992cbd3ee69adf8936c1fd8b32a60c457a946b5f3ebf1e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e46b5beb7d9254f0992cbd3ee69adf8936c1fd8b32a60c457a946b5f3ebf1e95", kill_on_drop: false }`
[INFO] [stdout] e46b5beb7d9254f0992cbd3ee69adf8936c1fd8b32a60c457a946b5f3ebf1e95
