[INFO] crate coniferous 0.2.1 is already in cache
[INFO] testing coniferous-0.2.1 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate coniferous 0.2.1 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate coniferous 0.2.1 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate coniferous 0.2.1
[INFO] finished tweaking crates.io crate coniferous 0.2.1
[INFO] tweaked toml for crates.io crate coniferous 0.2.1 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 1a203083611f3c6928f44d683caa8e8f3a8564ec93543ea2a51aedada5da675e
[INFO] running `"docker" "start" "-a" "1a203083611f3c6928f44d683caa8e8f3a8564ec93543ea2a51aedada5da675e"`
[INFO] [stderr]    Compiling parsnip v0.1.3
[INFO] [stderr]    Compiling coniferous v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `"docker" "inspect" "1a203083611f3c6928f44d683caa8e8f3a8564ec93543ea2a51aedada5da675e"`
[INFO] running `"docker" "rm" "-f" "1a203083611f3c6928f44d683caa8e8f3a8564ec93543ea2a51aedada5da675e"`
[INFO] [stdout] 1a203083611f3c6928f44d683caa8e8f3a8564ec93543ea2a51aedada5da675e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 63ed66db065b787021ed9b1d61c5a584226dbf95709a454529be50c61a324ea5
[INFO] running `"docker" "start" "-a" "63ed66db065b787021ed9b1d61c5a584226dbf95709a454529be50c61a324ea5"`
[INFO] [stderr]    Compiling coniferous v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `"docker" "inspect" "63ed66db065b787021ed9b1d61c5a584226dbf95709a454529be50c61a324ea5"`
[INFO] running `"docker" "rm" "-f" "63ed66db065b787021ed9b1d61c5a584226dbf95709a454529be50c61a324ea5"`
[INFO] [stdout] 63ed66db065b787021ed9b1d61c5a584226dbf95709a454529be50c61a324ea5
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] c60e38a612fd320508741fad3b8816b9831fb247bb69ecfa980f7e97f5d63fdb
[INFO] running `"docker" "start" "-a" "c60e38a612fd320508741fad3b8816b9831fb247bb69ecfa980f7e97f5d63fdb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/coniferous-165dc9fb27ae040c
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_eval_node ... ok
[INFO] [stdout] test tests::test_best_criteria ... ok
[INFO] [stdout] test tests::test_best_split ... ok
[INFO] [stdout] test tests::test_decision_tree ... ok
[INFO] [stdout] test tests::test_generate_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" "c60e38a612fd320508741fad3b8816b9831fb247bb69ecfa980f7e97f5d63fdb"`
[INFO] running `"docker" "rm" "-f" "c60e38a612fd320508741fad3b8816b9831fb247bb69ecfa980f7e97f5d63fdb"`
[INFO] [stdout] c60e38a612fd320508741fad3b8816b9831fb247bb69ecfa980f7e97f5d63fdb