[INFO] crate simplecv 0.0.1 is already in cache
[INFO] extracting crate simplecv 0.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/simplecv/0.0.1
[INFO] extracting crate simplecv 0.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/simplecv/0.0.1
[INFO] validating manifest of simplecv-0.0.1 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 simplecv-0.0.1 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 simplecv-0.0.1
[INFO] finished frobbing simplecv-0.0.1
[INFO] frobbed toml for simplecv-0.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/simplecv/0.0.1/Cargo.toml
[INFO] started frobbing simplecv-0.0.1
[INFO] finished frobbing simplecv-0.0.1
[INFO] frobbed toml for simplecv-0.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/simplecv/0.0.1/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 simplecv-0.0.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/simplecv/0.0.1:/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=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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 251b85a5cc87d101d26a1cf90e7e3f98dcd43da1490f2269be105e5d218b1d97
[INFO] running `"docker" "start" "-a" "251b85a5cc87d101d26a1cf90e7e3f98dcd43da1490f2269be105e5d218b1d97"`
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling image v0.21.3
[INFO] [stderr]    Compiling simplecv v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.27s
[INFO] running `"docker" "inspect" "251b85a5cc87d101d26a1cf90e7e3f98dcd43da1490f2269be105e5d218b1d97"`
[INFO] running `"docker" "rm" "-f" "251b85a5cc87d101d26a1cf90e7e3f98dcd43da1490f2269be105e5d218b1d97"`
[INFO] [stdout] 251b85a5cc87d101d26a1cf90e7e3f98dcd43da1490f2269be105e5d218b1d97
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/simplecv/0.0.1:/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=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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c4f097db1f781db8d832bd8f5e5fa5f8b73e4895302fb14208cec1b0fc5feae8
[INFO] running `"docker" "start" "-a" "c4f097db1f781db8d832bd8f5e5fa5f8b73e4895302fb14208cec1b0fc5feae8"`
[INFO] [stderr]    Compiling simplecv v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/sobel_norm/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ndarray::prelude::*`
[INFO] [stderr]  --> examples/sobel_norm/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ndarray::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/canny_edge_detector/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ndarray::prelude::*`
[INFO] [stderr]  --> examples/canny_edge_detector/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ndarray::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `simplecv::color::*`
[INFO] [stderr]  --> examples/gaussian_blur/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use simplecv::color::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `"docker" "inspect" "c4f097db1f781db8d832bd8f5e5fa5f8b73e4895302fb14208cec1b0fc5feae8"`
[INFO] running `"docker" "rm" "-f" "c4f097db1f781db8d832bd8f5e5fa5f8b73e4895302fb14208cec1b0fc5feae8"`
[INFO] [stdout] c4f097db1f781db8d832bd8f5e5fa5f8b73e4895302fb14208cec1b0fc5feae8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/simplecv/0.0.1:/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=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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 35e66ef297ddbc8f60a42099c86089fe0dba515c7f5f5d8f0fb6f55a40a74c6d
[INFO] running `"docker" "start" "-a" "35e66ef297ddbc8f60a42099c86089fe0dba515c7f5f5d8f0fb6f55a40a74c6d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/simplecv-2697accdcc00cbf5
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simplecv
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/utils.rs - utils::f2u (line 31) ... ok
[INFO] [stdout] test src/filter/mod.rs - filter::border_interpolate (line 23) ... ok
[INFO] [stdout] test src/filter/mod.rs - filter::filter (line 112) ... ok
[INFO] [stdout] test src/filter/mod.rs - filter::mean_smooth (line 204) ... ok
[INFO] [stdout] test src/utils.rs - utils::max_diff (line 10) ... ok
[INFO] [stdout] test src/color.rs - color::rgb2gray (line 39) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "35e66ef297ddbc8f60a42099c86089fe0dba515c7f5f5d8f0fb6f55a40a74c6d"`
[INFO] running `"docker" "rm" "-f" "35e66ef297ddbc8f60a42099c86089fe0dba515c7f5f5d8f0fb6f55a40a74c6d"`
[INFO] [stdout] 35e66ef297ddbc8f60a42099c86089fe0dba515c7f5f5d8f0fb6f55a40a74c6d