[INFO] crate basic_dsp_interop 0.8.0 is already in cache
[INFO] extracting crate basic_dsp_interop 0.8.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/basic_dsp_interop/0.8.0
[INFO] extracting crate basic_dsp_interop 0.8.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/basic_dsp_interop/0.8.0
[INFO] validating manifest of basic_dsp_interop-0.8.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of basic_dsp_interop-0.8.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing basic_dsp_interop-0.8.0
[INFO] finished frobbing basic_dsp_interop-0.8.0
[INFO] frobbed toml for basic_dsp_interop-0.8.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/basic_dsp_interop/0.8.0/Cargo.toml
[INFO] started frobbing basic_dsp_interop-0.8.0
[INFO] finished frobbing basic_dsp_interop-0.8.0
[INFO] frobbed toml for basic_dsp_interop-0.8.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/basic_dsp_interop/0.8.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing basic_dsp_interop-0.8.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/basic_dsp_interop/0.8.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f963b71c35fd6a473691847a9bb180e47ecaafb3c941a41312902d415a7b7aa6
[INFO] running `"docker" "start" "-a" "f963b71c35fd6a473691847a9bb180e47ecaafb3c941a41312902d415a7b7aa6"`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling transpose v0.1.0
[INFO] [stderr]    Compiling strength_reduce v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling crossbeam v0.7.2
[INFO] [stderr]    Compiling linreg v0.1.3
[INFO] [stderr]    Compiling rustfft v3.0.0
[INFO] [stderr]    Compiling basic_dsp_vector v0.8.0
[INFO] [stderr]    Compiling basic_dsp_interop v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facade32.rs:203:31
[INFO] [stderr]     |
[INFO] [stderr] 203 |     let vec = &vector.vec as &StatisticsOps<f32, Result = Statistics<f32>>;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StatisticsOps<f32, Result = Statistics<f32>>`
[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/facade32.rs:209:31
[INFO] [stderr]     |
[INFO] [stderr] 209 |     let vec = &vector.vec as &StatisticsOps<Complex32, Result = Statistics<Complex32>>;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StatisticsOps<Complex32, Result = Statistics<Complex32>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facade32.rs:254:31
[INFO] [stderr]     |
[INFO] [stderr] 254 |     let vec = &vector.vec as &PreciseStatisticsOps<f64, Result = Statistics<f64>>;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PreciseStatisticsOps<f64, Result = Statistics<f64>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facade32.rs:260:31
[INFO] [stderr]     |
[INFO] [stderr] 260 |     let vec = &vector.vec as &PreciseStatisticsOps<Complex64, Result = Statistics<Complex64>>;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PreciseStatisticsOps<Complex64, Result = Statistics<Complex64>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facade32.rs:792:31
[INFO] [stderr]     |
[INFO] [stderr] 792 |     let vec = &vector.vec as &StatisticsSplitOps<f32, Result = StatsVec<Statistics<f32>>>;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StatisticsSplitOps<f32, Result = StatsVec<Statistics<f32>>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facade32.rs:812:31
[INFO] [stderr]     |
[INFO] [stderr] 812 |       let vec = &vector.vec as &StatisticsSplitOps<Complex32,
[INFO] [stderr]     |  _______________________________^
[INFO] [stderr] 813 | |                                                  Result = StatsVec<Statistics<Complex32>>>;
[INFO] [stderr]     | |__________________________________________________________________________________________^
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 812 |     let vec = &vector.vec as &dyn StatisticsSplitOps<Complex32,
[INFO] [stderr] 813 |                                                  Result = StatsVec<Statistics<Complex32>>>;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facade32.rs:833:31
[INFO] [stderr]     |
[INFO] [stderr] 833 |     let vec = &vector.vec as &PreciseStatisticsSplitOps<f64, Result = StatsVec<Statistics<f64>>>;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PreciseStatisticsSplitOps<f64, Result = StatsVec<Statistics<f64>>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facade32.rs:853:31
[INFO] [stderr]     |
[INFO] [stderr] 853 |       let vec = &vector.vec as &PreciseStatisticsSplitOps<Complex64,
[INFO] [stderr]     |  _______________________________^
[INFO] [stderr] 854 | |                                                         Result = StatsVec<Statistics<Complex64>>>;
[INFO] [stderr]     | |_________________________________________________________________________________________________^
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 853 |     let vec = &vector.vec as &dyn PreciseStatisticsSplitOps<Complex64,
[INFO] [stderr] 854 |                                                         Result = StatsVec<Statistics<Complex64>>>;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/facade32.rs:1112:24
[INFO] [stderr]      |
[INFO] [stderr] 1112 |         let function: &RealImpulseResponse<f32> = &ForeignRealConvolutionFunction {
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RealImpulseResponse<f32>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/facade32.rs:1135:24
[INFO] [stderr]      |
[INFO] [stderr] 1135 |         let function: &ComplexImpulseResponse<f32> = &ForeignComplexConvolutionFunction {
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ComplexImpulseResponse<f32>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/facade32.rs:1172:24
[INFO] [stderr]      |
[INFO] [stderr] 1172 |         let function: &RealFrequencyResponse<f32> = &ForeignRealConvolutionFunction {
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RealFrequencyResponse<f32>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/facade32.rs:1192:24
[INFO] [stderr]      |
[INFO] [stderr] 1192 |         let function: &ComplexFrequencyResponse<f32> = &ForeignComplexConvolutionFunction {
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ComplexFrequencyResponse<f32>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/facade32.rs:1231:24
[INFO] [stderr]      |
[INFO] [stderr] 1231 |         let function: &RealImpulseResponse<f32> = &ForeignRealConvolutionFunction {
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RealImpulseResponse<f32>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/facade32.rs:1273:24
[INFO] [stderr]      |
[INFO] [stderr] 1273 |         let function: &RealFrequencyResponse<f32> = &ForeignRealConvolutionFunction {
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RealFrequencyResponse<f32>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/facade32.rs:1319:24
[INFO] [stderr]      |
[INFO] [stderr] 1319 |         let function: &RealFrequencyResponse<f32> = &ForeignRealConvolutionFunction {
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RealFrequencyResponse<f32>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facade64.rs:204:31
[INFO] [stderr]     |
[INFO] [stderr] 204 |     let vec = &vector.vec as &StatisticsOps<f64, Result = Statistics<f64>>;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StatisticsOps<f64, Result = Statistics<f64>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facade64.rs:210:31
[INFO] [stderr]     |
[INFO] [stderr] 210 |     let vec = &vector.vec as &StatisticsOps<Complex64, Result = Statistics<Complex64>>;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StatisticsOps<Complex64, Result = Statistics<Complex64>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facade64.rs:255:31
[INFO] [stderr]     |
[INFO] [stderr] 255 |     let vec = &vector.vec as &PreciseStatisticsOps<f64, Result = Statistics<f64>>;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PreciseStatisticsOps<f64, Result = Statistics<f64>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facade64.rs:261:31
[INFO] [stderr]     |
[INFO] [stderr] 261 |     let vec = &vector.vec as &PreciseStatisticsOps<Complex64, Result = Statistics<Complex64>>;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PreciseStatisticsOps<Complex64, Result = Statistics<Complex64>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facade64.rs:793:31
[INFO] [stderr]     |
[INFO] [stderr] 793 |     let vec = &vector.vec as &StatisticsSplitOps<f64, Result = StatsVec<Statistics<f64>>>;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StatisticsSplitOps<f64, Result = StatsVec<Statistics<f64>>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facade64.rs:813:31
[INFO] [stderr]     |
[INFO] [stderr] 813 |       let vec = &vector.vec as &StatisticsSplitOps<Complex64,
[INFO] [stderr]     |  _______________________________^
[INFO] [stderr] 814 | |                                                  Result = StatsVec<Statistics<Complex64>>>;
[INFO] [stderr]     | |__________________________________________________________________________________________^
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 813 |     let vec = &vector.vec as &dyn StatisticsSplitOps<Complex64,
[INFO] [stderr] 814 |                                                  Result = StatsVec<Statistics<Complex64>>>;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facade64.rs:834:31
[INFO] [stderr]     |
[INFO] [stderr] 834 |     let vec = &vector.vec as &PreciseStatisticsSplitOps<f64, Result = StatsVec<Statistics<f64>>>;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PreciseStatisticsSplitOps<f64, Result = StatsVec<Statistics<f64>>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/facade64.rs:854:31
[INFO] [stderr]     |
[INFO] [stderr] 854 |       let vec = &vector.vec as &PreciseStatisticsSplitOps<Complex64,
[INFO] [stderr]     |  _______________________________^
[INFO] [stderr] 855 | |                                                         Result = StatsVec<Statistics<Complex64>>>;
[INFO] [stderr]     | |_________________________________________________________________________________________________^
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 854 |     let vec = &vector.vec as &dyn PreciseStatisticsSplitOps<Complex64,
[INFO] [stderr] 855 |                                                         Result = StatsVec<Statistics<Complex64>>>;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/facade64.rs:1113:24
[INFO] [stderr]      |
[INFO] [stderr] 1113 |         let function: &RealImpulseResponse<f64> = &ForeignRealConvolutionFunction {
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RealImpulseResponse<f64>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/facade64.rs:1136:24
[INFO] [stderr]      |
[INFO] [stderr] 1136 |         let function: &ComplexImpulseResponse<f64> = &ForeignComplexConvolutionFunction {
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ComplexImpulseResponse<f64>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/facade64.rs:1173:24
[INFO] [stderr]      |
[INFO] [stderr] 1173 |         let function: &RealFrequencyResponse<f64> = &ForeignRealConvolutionFunction {
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RealFrequencyResponse<f64>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/facade64.rs:1193:24
[INFO] [stderr]      |
[INFO] [stderr] 1193 |         let function: &ComplexFrequencyResponse<f64> = &ForeignComplexConvolutionFunction {
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ComplexFrequencyResponse<f64>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/facade64.rs:1232:24
[INFO] [stderr]      |
[INFO] [stderr] 1232 |         let function: &RealImpulseResponse<f64> = &ForeignRealConvolutionFunction {
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RealImpulseResponse<f64>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/facade64.rs:1274:24
[INFO] [stderr]      |
[INFO] [stderr] 1274 |         let function: &RealFrequencyResponse<f64> = &ForeignRealConvolutionFunction {
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RealFrequencyResponse<f64>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/facade64.rs:1320:24
[INFO] [stderr]      |
[INFO] [stderr] 1320 |         let function: &RealFrequencyResponse<f64> = &ForeignRealConvolutionFunction {
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RealFrequencyResponse<f64>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:148:59
[INFO] [stderr]     |
[INFO] [stderr] 148 | pub fn translate_to_window_function<T>(value: i32) -> Box<WindowFunction<T>>
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn WindowFunction<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:160:57
[INFO] [stderr]     |
[INFO] [stderr] 160 |                                                  -> Box<RealImpulseResponse<T>>
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RealImpulseResponse<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:172:55
[INFO] [stderr]     |
[INFO] [stderr] 172 |                                                -> Box<RealFrequencyResponse<T>>
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RealFrequencyResponse<T>`
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `basic_dsp_interop`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name basic_dsp_interop src/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C codegen-units=4 -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=e364dcdf056a6d1d -C extra-filename=-e364dcdf056a6d1d --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern basic_dsp_vector=/opt/crater/target/debug/deps/libbasic_dsp_vector-ba817e2ab267e738.rmeta --extern num_complex=/opt/crater/target/debug/deps/libnum_complex-0f603a0f59fcf93b.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "f963b71c35fd6a473691847a9bb180e47ecaafb3c941a41312902d415a7b7aa6"`
[INFO] running `"docker" "rm" "-f" "f963b71c35fd6a473691847a9bb180e47ecaafb3c941a41312902d415a7b7aa6"`
[INFO] [stdout] f963b71c35fd6a473691847a9bb180e47ecaafb3c941a41312902d415a7b7aa6