[INFO] crate coniferous 0.2.1 is already in cache
[INFO] extracting crate coniferous 0.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/coniferous/0.2.1
[INFO] extracting crate coniferous 0.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/coniferous/0.2.1
[INFO] validating manifest of coniferous-0.2.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of coniferous-0.2.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/coniferous/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing coniferous-0.2.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 18c0327a73132d09811625d6c687b3018ea44af180db1b7df218e9a83d08bae3
[INFO] running `"docker" "start" "-a" "18c0327a73132d09811625d6c687b3018ea44af180db1b7df218e9a83d08bae3"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 2.93s
[INFO] running `"docker" "inspect" "18c0327a73132d09811625d6c687b3018ea44af180db1b7df218e9a83d08bae3"`
[INFO] running `"docker" "rm" "-f" "18c0327a73132d09811625d6c687b3018ea44af180db1b7df218e9a83d08bae3"`
[INFO] [stdout] 18c0327a73132d09811625d6c687b3018ea44af180db1b7df218e9a83d08bae3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0d9d281d9a0cd096d7cc880f72fad64dae1929aae7d08a6c723dd5943eec0ec8
[INFO] running `"docker" "start" "-a" "0d9d281d9a0cd096d7cc880f72fad64dae1929aae7d08a6c723dd5943eec0ec8"`
[INFO] [stderr]    Compiling coniferous v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `"docker" "inspect" "0d9d281d9a0cd096d7cc880f72fad64dae1929aae7d08a6c723dd5943eec0ec8"`
[INFO] running `"docker" "rm" "-f" "0d9d281d9a0cd096d7cc880f72fad64dae1929aae7d08a6c723dd5943eec0ec8"`
[INFO] [stdout] 0d9d281d9a0cd096d7cc880f72fad64dae1929aae7d08a6c723dd5943eec0ec8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] fde16806cedc3aa504c9ed5ccecfb8dff936e7eacb9cd221ae66d54514604b36
[INFO] running `"docker" "start" "-a" "fde16806cedc3aa504c9ed5ccecfb8dff936e7eacb9cd221ae66d54514604b36"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/coniferous-b4564d124103bb05
[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" "fde16806cedc3aa504c9ed5ccecfb8dff936e7eacb9cd221ae66d54514604b36"`
[INFO] running `"docker" "rm" "-f" "fde16806cedc3aa504c9ed5ccecfb8dff936e7eacb9cd221ae66d54514604b36"`
[INFO] [stdout] fde16806cedc3aa504c9ed5ccecfb8dff936e7eacb9cd221ae66d54514604b36