[INFO] crate kernel_density 0.0.1 is already in cache
[INFO] checking kernel_density-0.0.1 against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] extracting crate kernel_density 0.0.1 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate kernel_density 0.0.1 on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate kernel_density 0.0.1
[INFO] finished tweaking crates.io crate kernel_density 0.0.1
[INFO] tweaked toml for crates.io crate kernel_density 0.0.1 written to work/builds/worker-0/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c9669b39c607d1fe0803012113149bd4cd3bd1b4d747ff001b93464c57ab8377
[INFO] running `"docker" "start" "-a" "c9669b39c607d1fe0803012113149bd4cd3bd1b4d747ff001b93464c57ab8377"`
[INFO] [stderr]     Checking ordered-float v0.2.3
[INFO] [stderr]     Checking kernel_density v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/kolmogorov_smirnov.rs:56:29
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn shrink(&self) -> Box<Iterator<Item = Samples>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Samples>`
[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]   --> tests/kolmogorov_smirnov.rs:58:25
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let shrunk: Box<Iterator<Item = Vec<u64>>> = vec.shrink();
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Vec<u64>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/ecdf.rs:34:29
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn shrink(&self) -> Box<Iterator<Item = Samples>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Samples>`
[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]   --> tests/ecdf.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let shrunk: Box<Iterator<Item = Vec<u64>>> = vec.shrink();
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Vec<u64>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/ecdf.rs:58:29
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn shrink(&self) -> Box<Iterator<Item = Percentile>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Percentile>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/ecdf.rs:59:25
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let shrunk: Box<Iterator<Item = f64>> = self.val.shrink();
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = f64>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/ecdf.rs:81:29
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn shrink(&self) -> Box<Iterator<Item = Proportion>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Proportion>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/ecdf.rs:82:25
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let shrunk: Box<Iterator<Item = f64>> = self.val.shrink();
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = f64>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.02s
[INFO] running `"docker" "inspect" "c9669b39c607d1fe0803012113149bd4cd3bd1b4d747ff001b93464c57ab8377"`
[INFO] running `"docker" "rm" "-f" "c9669b39c607d1fe0803012113149bd4cd3bd1b4d747ff001b93464c57ab8377"`
[INFO] [stdout] c9669b39c607d1fe0803012113149bd4cd3bd1b4d747ff001b93464c57ab8377