[INFO] fetching crate vikos 0.3.1...
[INFO] extracting crate vikos 0.3.1 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/vikos/0.3.1
[INFO] extracting crate vikos 0.3.1 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/vikos/0.3.1
[INFO] validating manifest of vikos-0.3.1 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of vikos-0.3.1 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/vikos/0.3.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing vikos-0.3.1 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] d294843569b9d243270b1bab44f95562a362b6c4f7e75adb8873215ca7a06c64
[INFO] running `"docker" "start" "-a" "d294843569b9d243270b1bab44f95562a362b6c4f7e75adb8873215ca7a06c64"`
[INFO] [stderr]    Compiling num-complex v0.2.2
[INFO] [stderr]    Compiling num-rational v0.2.2
[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 4.79s
[INFO] running `"docker" "inspect" "d294843569b9d243270b1bab44f95562a362b6c4f7e75adb8873215ca7a06c64"`
[INFO] running `"docker" "rm" "-f" "d294843569b9d243270b1bab44f95562a362b6c4f7e75adb8873215ca7a06c64"`
[INFO] [stdout] d294843569b9d243270b1bab44f95562a362b6c4f7e75adb8873215ca7a06c64
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9cf11b098bfc1569203de1523f4edde13e75ff7596376f0e4d3866d8ef5ad12e
[INFO] running `"docker" "start" "-a" "9cf11b098bfc1569203de1523f4edde13e75ff7596376f0e4d3866d8ef5ad12e"`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling csv v1.0.7
[INFO] [stderr]    Compiling vikos v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cost.rs:117:40
[INFO] [stderr]     |
[INFO] [stderr] 117 |     fn approx_derivate<T: Copy>(cost: &Cost<T>, prediction: f64, truth: T) -> f64 {
[INFO] [stderr]     |                                        ^^^^^^^ help: use `dyn`: `dyn Cost<T>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cost.rs:129:39
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn check_derivate<T: Copy>(cost: &Cost<T>, prediction: f64, truth: T) -> f64 {
[INFO] [stderr]     |                                       ^^^^^^^ help: use `dyn`: `dyn Cost<T>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.19s
[INFO] running `"docker" "inspect" "9cf11b098bfc1569203de1523f4edde13e75ff7596376f0e4d3866d8ef5ad12e"`
[INFO] running `"docker" "rm" "-f" "9cf11b098bfc1569203de1523f4edde13e75ff7596376f0e4d3866d8ef5ad12e"`
[INFO] [stdout] 9cf11b098bfc1569203de1523f4edde13e75ff7596376f0e4d3866d8ef5ad12e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 6e4b277fc885bcedfd7745abf62eb7912c671490f189b1be834804b6044bab59
[INFO] running `"docker" "start" "-a" "6e4b277fc885bcedfd7745abf62eb7912c671490f189b1be834804b6044bab59"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vikos-6d9647a97f317282
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test cost::test::least_absolute_derivation ... ok
[INFO] [stdout] test cost::test::least_squares_derivation ... ok
[INFO] [stdout] test cost::test::neg_log_likelihood_derivation ... ok
[INFO] [stdout] test linear_algebra::tests::dot ... 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-e85e07054b424fcf
[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 logistic_adagard_2d_max_likelihood_bool ... ok
[INFO] [stdout] test logistic_sgd_2d_least_squares ... ok
[INFO] [stdout] test logistic_sgd_2d_max_likelihood ... ok
[INFO] [stdout] test linear_sgd_2d ... ok
[INFO] [stdout] test linear_stochastic_gradient_descent ... ok
[INFO] [stdout] test linear_stochastic_gradient_descent_iter ... 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/cost.rs - cost::MaxLikelihood (line 49) ... ok
[INFO] [stdout] test src/model.rs - model::GeneralizedLinearModel (line 154) ... 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/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" "6e4b277fc885bcedfd7745abf62eb7912c671490f189b1be834804b6044bab59"`
[INFO] running `"docker" "rm" "-f" "6e4b277fc885bcedfd7745abf62eb7912c671490f189b1be834804b6044bab59"`
[INFO] [stdout] 6e4b277fc885bcedfd7745abf62eb7912c671490f189b1be834804b6044bab59