[INFO] fetching crate kmedoids 0.1.2...
[INFO] testing kmedoids-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate kmedoids 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate kmedoids 0.1.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kmedoids 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate kmedoids 0.1.2
[INFO] tweaked toml for crates.io crate kmedoids 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate kmedoids 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66da3440eb1adab7f79ba734cc7e8fdac16100a197f900a4d1cfef7461dca308
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "66da3440eb1adab7f79ba734cc7e8fdac16100a197f900a4d1cfef7461dca308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66da3440eb1adab7f79ba734cc7e8fdac16100a197f900a4d1cfef7461dca308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66da3440eb1adab7f79ba734cc7e8fdac16100a197f900a4d1cfef7461dca308", kill_on_drop: false }`
[INFO] [stdout] 66da3440eb1adab7f79ba734cc7e8fdac16100a197f900a4d1cfef7461dca308
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b194c840a41cc10d4bde5fc146bbd110da4f4a67cdcb8cfd380dc8e1c095756
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3b194c840a41cc10d4bde5fc146bbd110da4f4a67cdcb8cfd380dc8e1c095756", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling kmedoids v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.05s
[INFO] running `Command { std: "docker" "inspect" "3b194c840a41cc10d4bde5fc146bbd110da4f4a67cdcb8cfd380dc8e1c095756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b194c840a41cc10d4bde5fc146bbd110da4f4a67cdcb8cfd380dc8e1c095756", kill_on_drop: false }`
[INFO] [stdout] 3b194c840a41cc10d4bde5fc146bbd110da4f4a67cdcb8cfd380dc8e1c095756
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00e0dc6b209564ef12c3976b02bbd748eed034137fde6075a21bf1252d27201b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "00e0dc6b209564ef12c3976b02bbd748eed034137fde6075a21bf1252d27201b", kill_on_drop: false }`
[INFO] [stderr]    Compiling kmedoids v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `Command { std: "docker" "inspect" "00e0dc6b209564ef12c3976b02bbd748eed034137fde6075a21bf1252d27201b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e0dc6b209564ef12c3976b02bbd748eed034137fde6075a21bf1252d27201b", kill_on_drop: false }`
[INFO] [stdout] 00e0dc6b209564ef12c3976b02bbd748eed034137fde6075a21bf1252d27201b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fc19532d7e444ba603c565cda78e61a19c0856e140e710e790db90d540ae182a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fc19532d7e444ba603c565cda78e61a19c0856e140e710e790db90d540ae182a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kmedoids-dec83dacdaf69923
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::testpam_build_simple ... ok
[INFO] [stdout] test tests::testfasterpam_simple ... ok
[INFO] [stdout] test tests::testfastpam_simple ... ok
[INFO] [stdout] test tests::testpam_swap_simple ... ok
[INFO] [stderr]    Doc-tests kmedoids
[INFO] [stdout] test tests::testpam_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/kmedoids.rs - pam (line 751) ... ok
[INFO] [stdout] test src/arrayadapter.rs - arrayadapter::LowerTriangle (line 36) ... ok
[INFO] [stdout] test src/kmedoids.rs - pam_build (line 705) ... ok
[INFO] [stdout] test src/kmedoids.rs - random_initialization (line 328) ... ok
[INFO] [stdout] test src/kmedoids.rs - (line 26) ... ok
[INFO] [stdout] test src/kmedoids.rs - pam_swap (line 663) ... ok
[INFO] [stdout] test src/kmedoids.rs - fasterpam (line 359) ... ok
[INFO] [stdout] test src/kmedoids.rs - fastpam1 (line 450) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fc19532d7e444ba603c565cda78e61a19c0856e140e710e790db90d540ae182a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc19532d7e444ba603c565cda78e61a19c0856e140e710e790db90d540ae182a", kill_on_drop: false }`
[INFO] [stdout] fc19532d7e444ba603c565cda78e61a19c0856e140e710e790db90d540ae182a