[INFO] fetching crate fanova 0.1.1...
[INFO] testing fanova-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate fanova 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate fanova 0.1.1 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 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] bec6c1e6db2eb8a3e5a2098774d3997f78e88377dc3006c4f3075067d4bd80d7
[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" "bec6c1e6db2eb8a3e5a2098774d3997f78e88377dc3006c4f3075067d4bd80d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bec6c1e6db2eb8a3e5a2098774d3997f78e88377dc3006c4f3075067d4bd80d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bec6c1e6db2eb8a3e5a2098774d3997f78e88377dc3006c4f3075067d4bd80d7", kill_on_drop: false }`
[INFO] [stdout] bec6c1e6db2eb8a3e5a2098774d3997f78e88377dc3006c4f3075067d4bd80d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 2b1ff877d4cc17742c2c2d86543340353b567d3698cff556c48f98b769fcaed1
[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" "2b1ff877d4cc17742c2c2d86543340353b567d3698cff556c48f98b769fcaed1", kill_on_drop: false }`
[INFO] [stderr]    Compiling ordered-float v2.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling fanova v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.39s
[INFO] running `Command { std: "docker" "inspect" "2b1ff877d4cc17742c2c2d86543340353b567d3698cff556c48f98b769fcaed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b1ff877d4cc17742c2c2d86543340353b567d3698cff556c48f98b769fcaed1", kill_on_drop: false }`
[INFO] [stdout] 2b1ff877d4cc17742c2c2d86543340353b567d3698cff556c48f98b769fcaed1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8cef5d2d7fe8391189e2101359bccc73ceebfffd9f7d6fa512b3db03043f68fb
[INFO] running `Command { std: "docker" "start" "-a" "8cef5d2d7fe8391189e2101359bccc73ceebfffd9f7d6fa512b3db03043f68fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling fanova v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.67s
[INFO] running `Command { std: "docker" "inspect" "8cef5d2d7fe8391189e2101359bccc73ceebfffd9f7d6fa512b3db03043f68fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cef5d2d7fe8391189e2101359bccc73ceebfffd9f7d6fa512b3db03043f68fb", kill_on_drop: false }`
[INFO] [stdout] 8cef5d2d7fe8391189e2101359bccc73ceebfffd9f7d6fa512b3db03043f68fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a8a52ea1b203dd153c18787ceb94349938ea8fd02a7ca1aee5df754214ed6f2e
[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" "a8a52ea1b203dd153c18787ceb94349938ea8fd02a7ca1aee5df754214ed6f2e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fanova-4de301127fd40120
[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] [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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fanova
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a8a52ea1b203dd153c18787ceb94349938ea8fd02a7ca1aee5df754214ed6f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8a52ea1b203dd153c18787ceb94349938ea8fd02a7ca1aee5df754214ed6f2e", kill_on_drop: false }`
[INFO] [stdout] a8a52ea1b203dd153c18787ceb94349938ea8fd02a7ca1aee5df754214ed6f2e