[INFO] fetching crate dssim 2.9.9...
[INFO] extracting crate dssim 2.9.9 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/dssim/2.9.9
[INFO] extracting crate dssim 2.9.9 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/dssim/2.9.9
[INFO] validating manifest of dssim-2.9.9 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dssim-2.9.9 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dssim-2.9.9
[INFO] finished frobbing dssim-2.9.9
[INFO] frobbed toml for dssim-2.9.9 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/dssim/2.9.9/Cargo.toml
[INFO] started frobbing dssim-2.9.9
[INFO] finished frobbing dssim-2.9.9
[INFO] frobbed toml for dssim-2.9.9 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/dssim/2.9.9/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing dssim-2.9.9 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/dssim/2.9.9:/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] e51b077d7a7e1b2a568c6e475a898871d3cad5534d34781878a3697ec1cbfdd9
[INFO] running `"docker" "start" "-a" "e51b077d7a7e1b2a568c6e475a898871d3cad5534d34781878a3697ec1cbfdd9"`
[INFO] [stderr]    Compiling imgref v1.3.5
[INFO] [stderr]    Compiling lodepng v2.4.2
[INFO] [stderr]    Compiling dssim v2.9.9 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/blur.rs:143:17
[INFO] [stderr]     |
[INFO] [stderr] 143 |             let mut dstrow = &mut dst[y*dst_stride..y*dst_stride+width];
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.22s
[INFO] running `"docker" "inspect" "e51b077d7a7e1b2a568c6e475a898871d3cad5534d34781878a3697ec1cbfdd9"`
[INFO] running `"docker" "rm" "-f" "e51b077d7a7e1b2a568c6e475a898871d3cad5534d34781878a3697ec1cbfdd9"`
[INFO] [stdout] e51b077d7a7e1b2a568c6e475a898871d3cad5534d34781878a3697ec1cbfdd9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/dssim/2.9.9:/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 84c44b7e407022a9f4022bd8e47c35dfc0458ceab85e488e35d87df33eb727cd
[INFO] running `"docker" "start" "-a" "84c44b7e407022a9f4022bd8e47c35dfc0458ceab85e488e35d87df33eb727cd"`
[INFO] [stderr]    Compiling dssim v2.9.9 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/blur.rs:143:17
[INFO] [stderr]     |
[INFO] [stderr] 143 |             let mut dstrow = &mut dst[y*dst_stride..y*dst_stride+width];
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.62s
[INFO] running `"docker" "inspect" "84c44b7e407022a9f4022bd8e47c35dfc0458ceab85e488e35d87df33eb727cd"`
[INFO] running `"docker" "rm" "-f" "84c44b7e407022a9f4022bd8e47c35dfc0458ceab85e488e35d87df33eb727cd"`
[INFO] [stdout] 84c44b7e407022a9f4022bd8e47c35dfc0458ceab85e488e35d87df33eb727cd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/dssim/2.9.9:/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 34ea7ad2295a07ab7fa532c7138f052628e494525c9fe41fefc437eb4dd06ae1
[INFO] running `"docker" "start" "-a" "34ea7ad2295a07ab7fa532c7138f052628e494525c9fe41fefc437eb4dd06ae1"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dssim-7f55e1f9e1179700
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test blur::blur_one_stride ... ok
[INFO] [stdout] test blur::blur_one ... ok
[INFO] [stdout] test blur::blur_two ... ok
[INFO] [stdout] test blur::blur_zero ... ok
[INFO] [stdout] test dssim::poison ... ok
[INFO] [stdout] test dssim::png_compare ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dssim-9f70a49f6f578319
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test rgblu_input ... ok
[INFO] [stdout] test image_gray ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "34ea7ad2295a07ab7fa532c7138f052628e494525c9fe41fefc437eb4dd06ae1"`
[INFO] running `"docker" "rm" "-f" "34ea7ad2295a07ab7fa532c7138f052628e494525c9fe41fefc437eb4dd06ae1"`
[INFO] [stdout] 34ea7ad2295a07ab7fa532c7138f052628e494525c9fe41fefc437eb4dd06ae1