[INFO] crate fbleau 0.2.2 is already in cache
[INFO] extracting crate fbleau 0.2.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/fbleau/0.2.2
[INFO] extracting crate fbleau 0.2.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fbleau/0.2.2
[INFO] validating manifest of fbleau-0.2.2 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 fbleau-0.2.2 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 fbleau-0.2.2
[INFO] finished frobbing fbleau-0.2.2
[INFO] frobbed toml for fbleau-0.2.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/fbleau/0.2.2/Cargo.toml
[INFO] started frobbing fbleau-0.2.2
[INFO] finished frobbing fbleau-0.2.2
[INFO] frobbed toml for fbleau-0.2.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fbleau/0.2.2/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 fbleau-0.2.2 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/fbleau/0.2.2:/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] cca27fb4eea87501a09872d75caa83d7583667e38d6c10eacabbd16be6f1d4da
[INFO] running `"docker" "start" "-a" "cca27fb4eea87501a09872d75caa83d7583667e38d6c10eacabbd16be6f1d4da"`
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]    Compiling bstr v0.2.6
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling ndarray-parallel v0.8.0
[INFO] [stderr]    Compiling fbleau v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.00s
[INFO] running `"docker" "inspect" "cca27fb4eea87501a09872d75caa83d7583667e38d6c10eacabbd16be6f1d4da"`
[INFO] running `"docker" "rm" "-f" "cca27fb4eea87501a09872d75caa83d7583667e38d6c10eacabbd16be6f1d4da"`
[INFO] [stdout] cca27fb4eea87501a09872d75caa83d7583667e38d6c10eacabbd16be6f1d4da
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/fbleau/0.2.2:/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] e78c0a6ef075b38c3a63f41111c66959d823bbf26c328e8f53fb2fd8b4576a42
[INFO] running `"docker" "start" "-a" "e78c0a6ef075b38c3a63f41111c66959d823bbf26c328e8f53fb2fd8b4576a42"`
[INFO] [stderr]    Compiling rustlearn v0.5.0
[INFO] [stderr]    Compiling fbleau v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.05s
[INFO] running `"docker" "inspect" "e78c0a6ef075b38c3a63f41111c66959d823bbf26c328e8f53fb2fd8b4576a42"`
[INFO] running `"docker" "rm" "-f" "e78c0a6ef075b38c3a63f41111c66959d823bbf26c328e8f53fb2fd8b4576a42"`
[INFO] [stdout] e78c0a6ef075b38c3a63f41111c66959d823bbf26c328e8f53fb2fd8b4576a42
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/fbleau/0.2.2:/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] ff0f87af49ed8083187902ad8d9a64e5a8110355a15f2517e380e6c7e2db5758
[INFO] running `"docker" "start" "-a" "ff0f87af49ed8083187902ad8d9a64e5a8110355a15f2517e380e6c7e2db5758"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fbleau-e25c907e9f1a8528
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test estimates::convergence::tests::forward_checker_init ... ok
[INFO] [stdout] test estimates::convergence::tests::absolute_convergence ... ok
[INFO] [stdout] test estimates::convergence::tests::forward_checker_convergence ... ok
[INFO] [stdout] test estimates::knn::tests::knn_init ... ok
[INFO] [stdout] test estimates::knn::tests::knn_forward_predictions ... ok
[INFO] [stdout] test estimates::frequentist::tests::frequentist_init ... ok
[INFO] [stdout] test estimates::frequentist::tests::frequentist_estimate_backward ... ok
[INFO] [stdout] test estimates::frequentist::tests::frequentist_estimate_forward ... ok
[INFO] [stdout] test estimates::knn::tests::ties_after_max_k ... ok
[INFO] [stdout] test estimates::knn::tests::knn_predictions_multivariate ... ok
[INFO] [stdout] test estimates::knn::tests::knn_predictions_ties ... ok
[INFO] [stdout] test estimates::knn::tests::test_updated_k ... ok
[INFO] [stdout] test estimates::knn::tests::knn_forward_errors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fbleau-5b2f342a54003629
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test utils::tests::test_scale ... ok
[INFO] [stdout] test utils::tests::test_vectors_to_ids ... ok
[INFO] [stderr]    Doc-tests fbleau
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/estimates/knn.rs - estimates::knn (line 15) ... 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" "ff0f87af49ed8083187902ad8d9a64e5a8110355a15f2517e380e6c7e2db5758"`
[INFO] running `"docker" "rm" "-f" "ff0f87af49ed8083187902ad8d9a64e5a8110355a15f2517e380e6c7e2db5758"`
[INFO] [stdout] ff0f87af49ed8083187902ad8d9a64e5a8110355a15f2517e380e6c7e2db5758