[INFO] crate coniferous 0.2.1 is already in cache
[INFO] extracting crate coniferous 0.2.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/coniferous/0.2.1
[INFO] extracting crate coniferous 0.2.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/coniferous/0.2.1
[INFO] validating manifest of coniferous-0.2.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of coniferous-0.2.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing coniferous-0.2.1
[INFO] finished frobbing coniferous-0.2.1
[INFO] frobbed toml for coniferous-0.2.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/coniferous/0.2.1/Cargo.toml
[INFO] started frobbing coniferous-0.2.1
[INFO] finished frobbing coniferous-0.2.1
[INFO] frobbed toml for coniferous-0.2.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/coniferous/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing coniferous-0.2.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/coniferous/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 7eac8de727257fa3bc560cf1ba7a2b9d6044c4d7703ba0f2cd9434400861e93d
[INFO] running `"docker" "start" "-a" "7eac8de727257fa3bc560cf1ba7a2b9d6044c4d7703ba0f2cd9434400861e93d"`
[INFO] [stderr]    Compiling parsnip v0.1.3
[INFO] [stderr]    Compiling coniferous v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.70s
[INFO] running `"docker" "inspect" "7eac8de727257fa3bc560cf1ba7a2b9d6044c4d7703ba0f2cd9434400861e93d"`
[INFO] running `"docker" "rm" "-f" "7eac8de727257fa3bc560cf1ba7a2b9d6044c4d7703ba0f2cd9434400861e93d"`
[INFO] [stdout] 7eac8de727257fa3bc560cf1ba7a2b9d6044c4d7703ba0f2cd9434400861e93d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/coniferous/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ed4925ddef8bbe57c005d86307d5bb339e1eb9f41f1a78b2b2cc0b1436c0f41b
[INFO] running `"docker" "start" "-a" "ed4925ddef8bbe57c005d86307d5bb339e1eb9f41f1a78b2b2cc0b1436c0f41b"`
[INFO] [stderr]    Compiling coniferous v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `"docker" "inspect" "ed4925ddef8bbe57c005d86307d5bb339e1eb9f41f1a78b2b2cc0b1436c0f41b"`
[INFO] running `"docker" "rm" "-f" "ed4925ddef8bbe57c005d86307d5bb339e1eb9f41f1a78b2b2cc0b1436c0f41b"`
[INFO] [stdout] ed4925ddef8bbe57c005d86307d5bb339e1eb9f41f1a78b2b2cc0b1436c0f41b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/coniferous/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] f3dfb50a68cf18b75ae1e5f38eff0993047c6aa99e73ec1efbf8dcc49afd380b
[INFO] running `"docker" "start" "-a" "f3dfb50a68cf18b75ae1e5f38eff0993047c6aa99e73ec1efbf8dcc49afd380b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/coniferous-c21ebd17ec00262f
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_eval_node ... ok
[INFO] [stdout] test tests::test_decision_tree ... ok
[INFO] [stdout] test tests::test_best_split ... ok
[INFO] [stdout] test tests::test_generate_criteria ... ok
[INFO] [stdout] test tests::test_best_criteria ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests coniferous
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - CARTree::fit (line 82) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f3dfb50a68cf18b75ae1e5f38eff0993047c6aa99e73ec1efbf8dcc49afd380b"`
[INFO] running `"docker" "rm" "-f" "f3dfb50a68cf18b75ae1e5f38eff0993047c6aa99e73ec1efbf8dcc49afd380b"`
[INFO] [stdout] f3dfb50a68cf18b75ae1e5f38eff0993047c6aa99e73ec1efbf8dcc49afd380b