[INFO] fetching crate fanova 0.1.1...
[INFO] testing fanova-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate fanova 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fanova 0.1.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fanova 0.1.1
[INFO] finished tweaking crates.io crate fanova 0.1.1
[INFO] tweaked toml for crates.io crate fanova 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2a48f5bae87f71df6870390cf6c2e8b6693626a439786352a1b7fd3b12eb7f8
[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" "d2a48f5bae87f71df6870390cf6c2e8b6693626a439786352a1b7fd3b12eb7f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2a48f5bae87f71df6870390cf6c2e8b6693626a439786352a1b7fd3b12eb7f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2a48f5bae87f71df6870390cf6c2e8b6693626a439786352a1b7fd3b12eb7f8", kill_on_drop: false }`
[INFO] [stdout] d2a48f5bae87f71df6870390cf6c2e8b6693626a439786352a1b7fd3b12eb7f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52f9c9b14982b7154c0d0e85ca0926eb30520ac9f4ec7b9237eaa13fe5da17fd
[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" "52f9c9b14982b7154c0d0e85ca0926eb30520ac9f4ec7b9237eaa13fe5da17fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling ordered-float v2.0.1
[INFO] [stderr]    Compiling fanova v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.65s
[INFO] running `Command { std: "docker" "inspect" "52f9c9b14982b7154c0d0e85ca0926eb30520ac9f4ec7b9237eaa13fe5da17fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52f9c9b14982b7154c0d0e85ca0926eb30520ac9f4ec7b9237eaa13fe5da17fd", kill_on_drop: false }`
[INFO] [stdout] 52f9c9b14982b7154c0d0e85ca0926eb30520ac9f4ec7b9237eaa13fe5da17fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 498148ee3ef5d0ef1998bd61aa183fa77c0d51c96a77cfab3de2b4d0081e40c3
[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" "498148ee3ef5d0ef1998bd61aa183fa77c0d51c96a77cfab3de2b4d0081e40c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling fanova v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `Command { std: "docker" "inspect" "498148ee3ef5d0ef1998bd61aa183fa77c0d51c96a77cfab3de2b4d0081e40c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "498148ee3ef5d0ef1998bd61aa183fa77c0d51c96a77cfab3de2b4d0081e40c3", kill_on_drop: false }`
[INFO] [stdout] 498148ee3ef5d0ef1998bd61aa183fa77c0d51c96a77cfab3de2b4d0081e40c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ba929940e4e08f24851cb824cea3a7ec2f6ebfdd25c687c8bed9c92e226b1708
[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" "ba929940e4e08f24851cb824cea3a7ec2f6ebfdd25c687c8bed9c92e226b1708", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fanova-01c97283bc780e62
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test decision_tree::tests::regression_works ... ok
[INFO] [stdout] test random_forest::tests::regression_works ... ok
[INFO] [stdout] test fanova::tests::quantify_importance_k2_works ... ok
[INFO] [stderr]    Doc-tests fanova
[INFO] [stdout] test fanova::tests::quantify_importance_k1_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.25s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ba929940e4e08f24851cb824cea3a7ec2f6ebfdd25c687c8bed9c92e226b1708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba929940e4e08f24851cb824cea3a7ec2f6ebfdd25c687c8bed9c92e226b1708", kill_on_drop: false }`
[INFO] [stdout] ba929940e4e08f24851cb824cea3a7ec2f6ebfdd25c687c8bed9c92e226b1708