[INFO] fetching crate kmedoids 0.1.6...
[INFO] testing kmedoids-0.1.6 against 1.55.0 for beta-1.56-1
[INFO] extracting crate kmedoids 0.1.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate kmedoids 0.1.6 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kmedoids 0.1.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate kmedoids 0.1.6
[INFO] tweaked toml for crates.io crate kmedoids 0.1.6 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate kmedoids 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acc3b017872b74169cc4bfd8aca8fcd9df2e8676f848b4b4f7d0f848b75a1f1e
[INFO] running `Command { std: "docker" "start" "-a" "acc3b017872b74169cc4bfd8aca8fcd9df2e8676f848b4b4f7d0f848b75a1f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acc3b017872b74169cc4bfd8aca8fcd9df2e8676f848b4b4f7d0f848b75a1f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acc3b017872b74169cc4bfd8aca8fcd9df2e8676f848b4b4f7d0f848b75a1f1e", kill_on_drop: false }`
[INFO] [stdout] acc3b017872b74169cc4bfd8aca8fcd9df2e8676f848b4b4f7d0f848b75a1f1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 624d47e8d1dd6ede23568221a5fd0db1791c447f3407c8a91d8ff4197e05454c
[INFO] running `Command { std: "docker" "start" "-a" "624d47e8d1dd6ede23568221a5fd0db1791c447f3407c8a91d8ff4197e05454c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling ndarray v0.15.3
[INFO] [stderr]    Compiling kmedoids v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.38s
[INFO] running `Command { std: "docker" "inspect" "624d47e8d1dd6ede23568221a5fd0db1791c447f3407c8a91d8ff4197e05454c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "624d47e8d1dd6ede23568221a5fd0db1791c447f3407c8a91d8ff4197e05454c", kill_on_drop: false }`
[INFO] [stdout] 624d47e8d1dd6ede23568221a5fd0db1791c447f3407c8a91d8ff4197e05454c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 939ad764d97d1e999ae6240111962bc37fc69ff617b34e3feb0ef481be6d05a7
[INFO] running `Command { std: "docker" "start" "-a" "939ad764d97d1e999ae6240111962bc37fc69ff617b34e3feb0ef481be6d05a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling kmedoids v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "939ad764d97d1e999ae6240111962bc37fc69ff617b34e3feb0ef481be6d05a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "939ad764d97d1e999ae6240111962bc37fc69ff617b34e3feb0ef481be6d05a7", kill_on_drop: false }`
[INFO] [stdout] 939ad764d97d1e999ae6240111962bc37fc69ff617b34e3feb0ef481be6d05a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 86c560f09421d3b8802cfb26157f86bd76463020cc289d3e617240fc681d5eee
[INFO] running `Command { std: "docker" "start" "-a" "86c560f09421d3b8802cfb26157f86bd76463020cc289d3e617240fc681d5eee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kmedoids-277a1968db4aedbb)
[INFO] [stdout] test tests::testalternating ... ok
[INFO] [stdout] test tests::testfasterpam_simple ... ok
[INFO] [stdout] test tests::testfastpam_simple ... ok
[INFO] [stdout] test tests::testpam_build_simple ... ok
[INFO] [stdout] test tests::testpam_simple ... ok
[INFO] [stdout] test tests::testpam_swap_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests kmedoids
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/kmedoids.rs - pam_build (line 701) ... ok
[INFO] [stdout] test src/kmedoids.rs - pam (line 747) ... ok
[INFO] [stdout] test src/arrayadapter.rs - arrayadapter::LowerTriangle (line 40) ... ok
[INFO] [stdout] test src/kmedoids.rs - random_initialization (line 324) ... ok
[INFO] [stdout] test src/kmedoids.rs - alternating (line 868) ... ok
[INFO] [stdout] test src/kmedoids.rs - (line 26) ... ok
[INFO] [stdout] test src/kmedoids.rs - fasterpam (line 355) ... ok
[INFO] [stdout] test src/kmedoids.rs - fastpam1 (line 446) ... ok
[INFO] [stdout] test src/kmedoids.rs - pam_swap (line 659) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.98s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "86c560f09421d3b8802cfb26157f86bd76463020cc289d3e617240fc681d5eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86c560f09421d3b8802cfb26157f86bd76463020cc289d3e617240fc681d5eee", kill_on_drop: false }`
[INFO] [stdout] 86c560f09421d3b8802cfb26157f86bd76463020cc289d3e617240fc681d5eee