[INFO] fetching crate fbleau 0.2.2...
[INFO] extracting crate fbleau 0.2.2 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/fbleau/0.2.2
[INFO] extracting crate fbleau 0.2.2 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/fbleau/0.2.2
[INFO] validating manifest of fbleau-0.2.2 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fbleau-0.2.2 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "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/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/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/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/fbleau/0.2.2/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking fbleau-0.2.2 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/fbleau/0.2.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d50858a693fa4479fcafe8b73756f0064f6336631646d77a8e83a43d67e5cd1f
[INFO] running `"docker" "start" "-a" "d50858a693fa4479fcafe8b73756f0064f6336631646d77a8e83a43d67e5cd1f"`
[INFO] [stderr]    Compiling rustlearn v0.5.0
[INFO] [stderr]     Checking ndarray v0.11.2
[INFO] [stderr]     Checking bstr v0.2.2
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking ndarray-parallel v0.8.0
[INFO] [stderr]     Checking fbleau v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::ndarray::free_functions::array macros>:6:25
[INFO] [stderr]   |
[INFO] [stderr] 2 | $ ( [ $ ( [ $ ( $ x : expr ) , * $ ( , ) * ] ) , + $ ( , ) * ] ) , + $ ( , ) *
[INFO] [stderr]   |                                                                    - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 6 | vec ! [ $ ( [ $ ( [ $ ( $ x , ) * ] , ) * ] , ) * ] ) } } ; (
[INFO] [stderr]   |                         ^^^                     - conflicting repetition
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::ndarray::free_functions::array macros>:8:49
[INFO] [stderr]   |
[INFO] [stderr] 7 | $ ( [ $ ( $ x : expr ) , * $ ( , ) * ] ) , + $ ( , ) * ) => {
[INFO] [stderr]   |                                            - expected repetition
[INFO] [stderr] 8 | { $ crate :: Array2 :: from ( vec ! [ $ ( [ $ ( $ x , ) * ] , ) * ] ) } } ; (
[INFO] [stderr]   |                                                 ^^^             - conflicting repetition
[INFO] [stderr] 
[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] 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] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/estimates/mod.rs:19:30
[INFO] [stderr]    |
[INFO] [stderr] 19 |     KNN(KNNEstimator<D>, Box<Fn(usize) -> usize>),
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> usize`
[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/estimates/mod.rs:19:30
[INFO] [stderr]    |
[INFO] [stderr] 19 |     KNN(KNNEstimator<D>, Box<Fn(usize) -> usize>),
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> usize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `fbleau`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> benches/knn.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 7 parameters but 6 parameters were supplied
[INFO] [stderr]   --> benches/knn.rs:83:20
[INFO] [stderr]    |
[INFO] [stderr] 83 |           let _knn = KNNEstimator::from_data(&train_x.view(), &train_y.view(),
[INFO] [stderr]    |  ____________________^
[INFO] [stderr] 84 | |                                 &test_x.view(), &test_y.view(), max_k, max_k);
[INFO] [stderr]    | |_____________________________________________________________________________^ expected 7 parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 5 parameters but 4 parameters were supplied
[INFO] [stderr]   --> benches/knn.rs:95:23
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let mut knn = KNNEstimator::new(&test_x.view(), &test_y.view(), 1, max_k);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected 5 parameters
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::ndarray::free_functions::array macros>:6:25
[INFO] [stderr]   |
[INFO] [stderr] 2 | $ ( [ $ ( [ $ ( $ x : expr ) , * $ ( , ) * ] ) , + $ ( , ) * ] ) , + $ ( , ) *
[INFO] [stderr]   |                                                                    - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 6 | vec ! [ $ ( [ $ ( [ $ ( $ x , ) * ] , ) * ] , ) * ] ) } } ; (
[INFO] [stderr]   |                         ^^^                     - conflicting repetition
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::ndarray::free_functions::array macros>:8:49
[INFO] [stderr]   |
[INFO] [stderr] 7 | $ ( [ $ ( $ x : expr ) , * $ ( , ) * ] ) , + $ ( , ) * ) => {
[INFO] [stderr]   |                                            - expected repetition
[INFO] [stderr] 8 | { $ crate :: Array2 :: from ( vec ! [ $ ( [ $ ( $ x , ) * ] , ) * ] ) } } ; (
[INFO] [stderr]   |                                                 ^^^             - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:20:51
[INFO] [stderr]    |
[INFO] [stderr] 20 |         -> Result<(Array2<T>, Array1<Label>), Box<Error>> 
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[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/main.rs:175:33
[INFO] [stderr]     |
[INFO] [stderr] 175 | fn k_from_n(args: &Args) -> Box<Fn(usize) -> usize> {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> usize`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0061`.
[INFO] [stderr] error: Could not compile `fbleau`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:20:51
[INFO] [stderr]    |
[INFO] [stderr] 20 |         -> Result<(Array2<T>, Array1<Label>), Box<Error>> 
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Error`
[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/main.rs:175:33
[INFO] [stderr]     |
[INFO] [stderr] 175 | fn k_from_n(args: &Args) -> Box<Fn(usize) -> usize> {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> usize`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `fbleau`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d50858a693fa4479fcafe8b73756f0064f6336631646d77a8e83a43d67e5cd1f"`
[INFO] running `"docker" "rm" "-f" "d50858a693fa4479fcafe8b73756f0064f6336631646d77a8e83a43d67e5cd1f"`
[INFO] [stdout] d50858a693fa4479fcafe8b73756f0064f6336631646d77a8e83a43d67e5cd1f