[INFO] fetching crate petal-clustering 0.2.2...
[INFO] testing petal-clustering-0.2.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate petal-clustering 0.2.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate petal-clustering 0.2.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate petal-clustering 0.2.2
[INFO] finished tweaking crates.io crate petal-clustering 0.2.2
[INFO] tweaked toml for crates.io crate petal-clustering 0.2.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ea591539a81de1847ec68fd779f8333156207d449323bcc49bf70ffd71ccae66
[INFO] running `Command { std: "docker" "start" "-a" "ea591539a81de1847ec68fd779f8333156207d449323bcc49bf70ffd71ccae66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea591539a81de1847ec68fd779f8333156207d449323bcc49bf70ffd71ccae66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea591539a81de1847ec68fd779f8333156207d449323bcc49bf70ffd71ccae66", kill_on_drop: false }`
[INFO] [stdout] ea591539a81de1847ec68fd779f8333156207d449323bcc49bf70ffd71ccae66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88c7c81299a9c15e3dba2158a125fa13621bfe9e2c12ceceb0983644f2825cb6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "88c7c81299a9c15e3dba2158a125fa13621bfe9e2c12ceceb0983644f2825cb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling ordered-float v2.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling petal-neighbors v0.5.1
[INFO] [stderr]    Compiling petal-clustering v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `ndarray::ArrayBase<ndarray::CowRepr<'_, _>, ndarray::dimension::dim::Dim<[usize; 2]>>: From<ArrayBase<ViewRepr<&A>, Dim<[usize; 2]>>>` is not satisfied
[INFO] [stdout]    --> src/dbscan.rs:105:14
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let db = BallTree::euclidean(input.view()).expect("non-empty array");
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^ the trait `From<ArrayBase<ViewRepr<&A>, Dim<[usize; 2]>>>` is not implemented for `ndarray::ArrayBase<ndarray::CowRepr<'_, _>, ndarray::dimension::dim::Dim<[usize; 2]>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following implementations were found:
[INFO] [stdout]               <ndarray::ArrayBase<S, ndarray::dimension::dim::Dim<[usize; 1]>> as From<Vec<A>>>
[INFO] [stdout]               <ndarray::ArrayBase<ndarray::CowRepr<'a, A>, D> as From<ndarray::ArrayBase<ndarray::ViewRepr<&'a A>, D>>>
[INFO] [stdout]               <ndarray::ArrayBase<ndarray::CowRepr<'a, A>, D> as From<ndarray::ArrayBase<ndarray::data_repr::OwnedRepr<A>, D>>>
[INFO] [stdout]               <ndarray::ArrayBase<ndarray::ViewRepr<&'a A>, D> as From<&'a ndarray::ArrayBase<S, D>>>
[INFO] [stdout]             and 5 others
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<ndarray::ArrayBase<ndarray::CowRepr<'_, _>, ndarray::dimension::dim::Dim<[usize; 2]>>>` for `ArrayBase<ViewRepr<&A>, Dim<[usize; 2]>>`
[INFO] [stdout]     = note: required by `BallTree::<'a, A>::euclidean`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/dbscan.rs:107:34
[INFO] [stdout]     |
[INFO] [stdout] 107 |         .map(|p| db.query_radius(&p, eps).into_iter().collect::<Vec<usize>>())
[INFO] [stdout]     |                                  ^^ expected struct `ndarray::ArrayBase`, found struct `ArrayBase`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&ndarray::ArrayBase<_, ndarray::dimension::dim::Dim<[usize; 1]>>`
[INFO] [stdout]                found reference `&ArrayBase<ViewRepr<&A>, Dim<[usize; 1]>>`
[INFO] [stdout]     = note: perhaps two different versions of crate `ndarray` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `ndarray::ArrayBase<ndarray::CowRepr<'_, _>, ndarray::dimension::dim::Dim<[usize; 2]>>: From<ArrayBase<ViewRepr<&A>, Dim<[usize; 2]>>>` is not satisfied
[INFO] [stdout]    --> src/optics.rs:239:14
[INFO] [stdout]     |
[INFO] [stdout] 239 |     let db = BallTree::euclidean(input.view()).expect("non-empty array");
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^ the trait `From<ArrayBase<ViewRepr<&A>, Dim<[usize; 2]>>>` is not implemented for `ndarray::ArrayBase<ndarray::CowRepr<'_, _>, ndarray::dimension::dim::Dim<[usize; 2]>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following implementations were found:
[INFO] [stdout]               <ndarray::ArrayBase<S, ndarray::dimension::dim::Dim<[usize; 1]>> as From<Vec<A>>>
[INFO] [stdout]               <ndarray::ArrayBase<ndarray::CowRepr<'a, A>, D> as From<ndarray::ArrayBase<ndarray::ViewRepr<&'a A>, D>>>
[INFO] [stdout]               <ndarray::ArrayBase<ndarray::CowRepr<'a, A>, D> as From<ndarray::ArrayBase<ndarray::data_repr::OwnedRepr<A>, D>>>
[INFO] [stdout]               <ndarray::ArrayBase<ndarray::ViewRepr<&'a A>, D> as From<&'a ndarray::ArrayBase<S, D>>>
[INFO] [stdout]             and 5 others
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<ndarray::ArrayBase<ndarray::CowRepr<'_, _>, ndarray::dimension::dim::Dim<[usize; 2]>>>` for `ArrayBase<ViewRepr<&A>, Dim<[usize; 2]>>`
[INFO] [stdout]     = note: required by `BallTree::<'a, A>::euclidean`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/optics.rs:242:45
[INFO] [stdout]     |
[INFO] [stdout] 242 |             let neighbors = db.query_radius(&p, eps).into_iter().collect::<Vec<usize>>();
[INFO] [stdout]     |                                             ^^ expected struct `ndarray::ArrayBase`, found struct `ArrayBase`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&ndarray::ArrayBase<_, ndarray::dimension::dim::Dim<[usize; 1]>>`
[INFO] [stdout]                found reference `&ArrayBase<ViewRepr<&A>, Dim<[usize; 1]>>`
[INFO] [stdout]     = note: perhaps two different versions of crate `ndarray` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/optics.rs:244:26
[INFO] [stdout]     |
[INFO] [stdout] 244 |                 db.query(&p, 2).1[1]
[INFO] [stdout]     |                          ^^ expected struct `ndarray::ArrayBase`, found struct `ArrayBase`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&ndarray::ArrayBase<_, ndarray::dimension::dim::Dim<[usize; 1]>>`
[INFO] [stdout]                found reference `&ArrayBase<ViewRepr<&A>, Dim<[usize; 1]>>`
[INFO] [stdout]     = note: perhaps two different versions of crate `ndarray` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `petal-clustering`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "88c7c81299a9c15e3dba2158a125fa13621bfe9e2c12ceceb0983644f2825cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88c7c81299a9c15e3dba2158a125fa13621bfe9e2c12ceceb0983644f2825cb6", kill_on_drop: false }`
[INFO] [stdout] 88c7c81299a9c15e3dba2158a125fa13621bfe9e2c12ceceb0983644f2825cb6