[INFO] updating cached repository b-m-f/pixelPrint
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/b-m-f/pixelPrint
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/b-m-f/pixelPrint" "work/ex/beta-1.38-1/sources/1.37.0/gh/b-m-f/pixelPrint"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/b-m-f/pixelPrint'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/b-m-f/pixelPrint" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/b-m-f/pixelPrint"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/b-m-f/pixelPrint'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e6e46d0aa5908d8839f37cf13bf1a14cd249aa7c
[INFO] sha for GitHub repo b-m-f/pixelPrint: e6e46d0aa5908d8839f37cf13bf1a14cd249aa7c
[INFO] validating manifest of b-m-f/pixelPrint 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 b-m-f/pixelPrint 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 b-m-f/pixelPrint
[INFO] finished frobbing b-m-f/pixelPrint
[INFO] frobbed toml for b-m-f/pixelPrint written to work/ex/beta-1.38-1/sources/1.37.0/gh/b-m-f/pixelPrint/Cargo.toml
[INFO] started frobbing b-m-f/pixelPrint
[INFO] finished frobbing b-m-f/pixelPrint
[INFO] frobbed toml for b-m-f/pixelPrint written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/b-m-f/pixelPrint/Cargo.toml
[INFO] crate b-m-f/pixelPrint already has a lockfile, it will not be regenerated
[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 b-m-f/pixelPrint 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-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/b-m-f/pixelPrint:/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] 01721b80f05a8d8f157434a4b7394bfb12d29d26f1224c69c0ac0048b28fb8e0
[INFO] running `"docker" "start" "-a" "01721b80f05a8d8f157434a4b7394bfb12d29d26f1224c69c0ac0048b28fb8e0"`
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling deflate v0.7.17
[INFO] [stderr]    Compiling num-rational v0.1.39
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling image v0.17.0
[INFO] [stderr]    Compiling pixel_sorter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `tmp_image`
[INFO] [stderr]   --> src/main.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let tmp_image = rgba_image.clone();
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_tmp_image`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.23s
[INFO] running `"docker" "inspect" "01721b80f05a8d8f157434a4b7394bfb12d29d26f1224c69c0ac0048b28fb8e0"`
[INFO] running `"docker" "rm" "-f" "01721b80f05a8d8f157434a4b7394bfb12d29d26f1224c69c0ac0048b28fb8e0"`
[INFO] [stdout] 01721b80f05a8d8f157434a4b7394bfb12d29d26f1224c69c0ac0048b28fb8e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/b-m-f/pixelPrint:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0c7367d32cf96105f159eee21494fc79fe11ab54ab75f52f229c568392523e1e
[INFO] running `"docker" "start" "-a" "0c7367d32cf96105f159eee21494fc79fe11ab54ab75f52f229c568392523e1e"`
[INFO] [stderr]    Compiling pixel_sorter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `tmp_image`
[INFO] [stderr]   --> src/main.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let tmp_image = rgba_image.clone();
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_tmp_image`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "0c7367d32cf96105f159eee21494fc79fe11ab54ab75f52f229c568392523e1e"`
[INFO] running `"docker" "rm" "-f" "0c7367d32cf96105f159eee21494fc79fe11ab54ab75f52f229c568392523e1e"`
[INFO] [stdout] 0c7367d32cf96105f159eee21494fc79fe11ab54ab75f52f229c568392523e1e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/b-m-f/pixelPrint:/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" "test" "--frozen"`
[INFO] [stdout] 4df3288f16d706a7e8069541aa00928b17032705a6d4759a8f0a45a363acf17a
[INFO] running `"docker" "start" "-a" "4df3288f16d706a7e8069541aa00928b17032705a6d4759a8f0a45a363acf17a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pixel_sorter-81a88f532232643c
[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] running `"docker" "inspect" "4df3288f16d706a7e8069541aa00928b17032705a6d4759a8f0a45a363acf17a"`
[INFO] running `"docker" "rm" "-f" "4df3288f16d706a7e8069541aa00928b17032705a6d4759a8f0a45a363acf17a"`
[INFO] [stdout] 4df3288f16d706a7e8069541aa00928b17032705a6d4759a8f0a45a363acf17a