[INFO] fetching crate kmedoids 0.3.0...
[INFO] testing kmedoids-0.3.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate kmedoids 0.3.0 into /workspace/builds/worker-46/source
[INFO] validating manifest of crates.io crate kmedoids 0.3.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kmedoids 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate kmedoids 0.3.0
[INFO] tweaked toml for crates.io crate kmedoids 0.3.0 written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] crate crates.io crate kmedoids 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96e2f75909d4d24c97eebdf9a4256f3646e635452d2dbefb47e7672ecb73bf5d
[INFO] running `Command { std: "docker" "start" "-a" "96e2f75909d4d24c97eebdf9a4256f3646e635452d2dbefb47e7672ecb73bf5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96e2f75909d4d24c97eebdf9a4256f3646e635452d2dbefb47e7672ecb73bf5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96e2f75909d4d24c97eebdf9a4256f3646e635452d2dbefb47e7672ecb73bf5d", kill_on_drop: false }`
[INFO] [stdout] 96e2f75909d4d24c97eebdf9a4256f3646e635452d2dbefb47e7672ecb73bf5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f84aa9554d5acea21ed9d17fb2a4170b467f2a382022ca05901f575797ab2ada
[INFO] running `Command { std: "docker" "start" "-a" "f84aa9554d5acea21ed9d17fb2a4170b467f2a382022ca05901f575797ab2ada", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[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 v0.15.4
[INFO] [stderr]    Compiling kmedoids v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.87s
[INFO] running `Command { std: "docker" "inspect" "f84aa9554d5acea21ed9d17fb2a4170b467f2a382022ca05901f575797ab2ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f84aa9554d5acea21ed9d17fb2a4170b467f2a382022ca05901f575797ab2ada", kill_on_drop: false }`
[INFO] [stdout] f84aa9554d5acea21ed9d17fb2a4170b467f2a382022ca05901f575797ab2ada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c1476d0064b945189ad9dc90d203d6d7b1917354e8248eecc8596abac5b6ea4
[INFO] running `Command { std: "docker" "start" "-a" "4c1476d0064b945189ad9dc90d203d6d7b1917354e8248eecc8596abac5b6ea4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling kmedoids v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.67s
[INFO] [stderr]   Executable unittests src/mod.rs (/opt/rustwide/target/debug/deps/kmedoids-e89ed76c042d36d3)
[INFO] running `Command { std: "docker" "inspect" "4c1476d0064b945189ad9dc90d203d6d7b1917354e8248eecc8596abac5b6ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c1476d0064b945189ad9dc90d203d6d7b1917354e8248eecc8596abac5b6ea4", kill_on_drop: false }`
[INFO] [stdout] 4c1476d0064b945189ad9dc90d203d6d7b1917354e8248eecc8596abac5b6ea4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f54ee7a4787d3bd1b014dfe60be2e6772bd625fd03c5b84cd3e969d813e51d17
[INFO] running `Command { std: "docker" "start" "-a" "f54ee7a4787d3bd1b014dfe60be2e6772bd625fd03c5b84cd3e969d813e51d17", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/mod.rs (/opt/rustwide/target/debug/deps/kmedoids-e89ed76c042d36d3)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test fasterpam::tests::testfasterpam_single_cluster ... ok
[INFO] [stdout] test fastpam1::tests::test_fastpam1_simple ... ok
[INFO] [stdout] test fasterpam::tests::testfasterpam_simple ... ok
[INFO] [stdout] test pam::tests::test_pam_simple ... ok
[INFO] [stdout] test pam::tests::test_pam_build_simple ... ok
[INFO] [stdout] test fasterpam::tests::testrand_fasterpam ... ok
[INFO] [stdout] test alternating::tests::test_alternating ... ok
[INFO] [stdout] test pam::tests::test_pam_swap_simple ... ok
[INFO] [stdout] test par_fasterpam::tests::test_fasterpam_par ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kmedoids
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/initialization.rs - initialization::first_k (line 33) ... ok
[INFO] [stdout] test src/pam.rs - pam::pam_build (line 77) ... ok
[INFO] [stdout] test src/initialization.rs - initialization::random_initialization (line 14) ... ok
[INFO] [stdout] test src/pam.rs - pam::pam (line 126) ... ok
[INFO] [stdout] test src/arrayadapter.rs - arrayadapter::LowerTriangle (line 40) ... ok
[INFO] [stdout] test src/mod.rs - (line 25) ... ok
[INFO] [stdout] test src/fasterpam.rs - fasterpam::rand_fasterpam (line 120) ... ok
[INFO] [stdout] test src/fasterpam.rs - fasterpam::fasterpam (line 33) ... ok
[INFO] [stdout] test src/silhouette.rs - silhouette::silhouette (line 34) ... ok
[INFO] [stdout] test src/fastpam1.rs - fastpam1::fastpam1 (line 36) ... ok
[INFO] [stdout] test src/pam.rs - pam::pam_swap (line 34) ... ok
[INFO] [stdout] test src/alternating.rs - alternating::alternating (line 34) ... ok
[INFO] [stdout] test src/par_silhouette.rs - par_silhouette::par_silhouette (line 36) ... ok
[INFO] [stdout] test src/par_fasterpam.rs - par_fasterpam::par_fasterpam (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f54ee7a4787d3bd1b014dfe60be2e6772bd625fd03c5b84cd3e969d813e51d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f54ee7a4787d3bd1b014dfe60be2e6772bd625fd03c5b84cd3e969d813e51d17", kill_on_drop: false }`
[INFO] [stdout] f54ee7a4787d3bd1b014dfe60be2e6772bd625fd03c5b84cd3e969d813e51d17