[INFO] crate vikos 0.3.1 is already in cache
[INFO] extracting crate vikos 0.3.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/vikos/0.3.1
[INFO] extracting crate vikos 0.3.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/vikos/0.3.1
[INFO] validating manifest of vikos-0.3.1 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 vikos-0.3.1 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 vikos-0.3.1
[INFO] finished frobbing vikos-0.3.1
[INFO] frobbed toml for vikos-0.3.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/vikos/0.3.1/Cargo.toml
[INFO] started frobbing vikos-0.3.1
[INFO] finished frobbing vikos-0.3.1
[INFO] frobbed toml for vikos-0.3.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/vikos/0.3.1/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 vikos-0.3.1 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/vikos/0.3.1:/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] 131dbfbe831c7c8337d41570fdca152d5bf96cc3860fe3a93695f596de07b1db
[INFO] running `"docker" "start" "-a" "131dbfbe831c7c8337d41570fdca152d5bf96cc3860fe3a93695f596de07b1db"`
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling vikos v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `"docker" "inspect" "131dbfbe831c7c8337d41570fdca152d5bf96cc3860fe3a93695f596de07b1db"`
[INFO] running `"docker" "rm" "-f" "131dbfbe831c7c8337d41570fdca152d5bf96cc3860fe3a93695f596de07b1db"`
[INFO] [stdout] 131dbfbe831c7c8337d41570fdca152d5bf96cc3860fe3a93695f596de07b1db
[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/vikos/0.3.1:/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] 86ea4752c074dc0863c31d5222a756cfd294204b9669f011a56aa859b60e8369
[INFO] running `"docker" "start" "-a" "86ea4752c074dc0863c31d5222a756cfd294204b9669f011a56aa859b60e8369"`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling bstr v0.2.6
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling vikos v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.87s
[INFO] running `"docker" "inspect" "86ea4752c074dc0863c31d5222a756cfd294204b9669f011a56aa859b60e8369"`
[INFO] running `"docker" "rm" "-f" "86ea4752c074dc0863c31d5222a756cfd294204b9669f011a56aa859b60e8369"`
[INFO] [stdout] 86ea4752c074dc0863c31d5222a756cfd294204b9669f011a56aa859b60e8369
[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/vikos/0.3.1:/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] 600f26848ec98a9ceda69e50ecd227300a2d24e38fa1bb1314abdb66ee419baa
[INFO] running `"docker" "start" "-a" "600f26848ec98a9ceda69e50ecd227300a2d24e38fa1bb1314abdb66ee419baa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vikos-7897b5dbddfcdc4a
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test cost::test::least_absolute_derivation ... ok
[INFO] [stdout] test linear_algebra::tests::dot ... ok
[INFO] [stdout] test cost::test::neg_log_likelihood_derivation ... ok
[INFO] [stdout] test cost::test::least_squares_derivation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lib-9ec3bce9f8e6af21
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test estimate_median ... ok
[INFO] [stdout] test estimate_mean ... ok
[INFO] [stdout] test generalized_linear_model_as_logistic_regression ... ok
[INFO] [stdout] test linear_sgd_2d ... ok
[INFO] [stdout] test linear_stochastic_gradient_descent ... ok
[INFO] [stdout] test logistic_adagard_2d_max_likelihood_bool ... ok
[INFO] [stdout] test linear_stochastic_gradient_descent_iter ... ok
[INFO] [stdout] test logistic_sgd_2d_least_squares ... ok
[INFO] [stdout] test logistic_sgd_2d_max_likelihood ... ok
[INFO] [stdout] test logistic_sgd_2d_max_likelihood_bool ... ok
[INFO] [stdout] test linear_nesterov_2d ... ok
[INFO] [stdout] test iris ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vikos
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/tutorial.rs - tutorial (line 13) ... ok
[INFO] [stdout] test src/tutorial.rs - tutorial (line 61) ... ok
[INFO] [stdout] test src/tutorial.rs - tutorial (line 29) ... ok
[INFO] [stdout] test src/tutorial.rs - tutorial (line 86) ... ok
[INFO] [stdout] test src/model.rs - model::GeneralizedLinearModel (line 154) ... ok
[INFO] [stdout] test src/cost.rs - cost::MaxLikelihood (line 49) ... ok
[INFO] [stdout] test src/tutorial.rs - tutorial (line 120) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "600f26848ec98a9ceda69e50ecd227300a2d24e38fa1bb1314abdb66ee419baa"`
[INFO] running `"docker" "rm" "-f" "600f26848ec98a9ceda69e50ecd227300a2d24e38fa1bb1314abdb66ee419baa"`
[INFO] [stdout] 600f26848ec98a9ceda69e50ecd227300a2d24e38fa1bb1314abdb66ee419baa