[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-1.37-6/sources/1.36.0/gh/b-m-f/pixelPrint"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/b-m-f/pixelPrint'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/b-m-f/pixelPrint" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/b-m-f/pixelPrint"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of b-m-f/pixelPrint on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing b-m-f/pixelPrint against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 04d71582c99acd06b517c33df48fb2ee2d6d8ecfb8943887267bc331b69ddbe5
[INFO] running `"docker" "start" "-a" "04d71582c99acd06b517c33df48fb2ee2d6d8ecfb8943887267bc331b69ddbe5"`
[INFO] [stderr]    Compiling either v1.3.0
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling futures v0.1.16
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling deflate v0.7.17
[INFO] [stderr]    Compiling inflate v0.3.3
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-rational v0.1.39
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling png v0.11.0
[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 37.16s
[INFO] running `"docker" "inspect" "04d71582c99acd06b517c33df48fb2ee2d6d8ecfb8943887267bc331b69ddbe5"`
[INFO] running `"docker" "rm" "-f" "04d71582c99acd06b517c33df48fb2ee2d6d8ecfb8943887267bc331b69ddbe5"`
[INFO] [stdout] 04d71582c99acd06b517c33df48fb2ee2d6d8ecfb8943887267bc331b69ddbe5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 52bc5be21c22a48f641a4c078878cb3ef16ec067bba2b05096ed4c8b253342b1
[INFO] running `"docker" "start" "-a" "52bc5be21c22a48f641a4c078878cb3ef16ec067bba2b05096ed4c8b253342b1"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.73s
[INFO] running `"docker" "inspect" "52bc5be21c22a48f641a4c078878cb3ef16ec067bba2b05096ed4c8b253342b1"`
[INFO] running `"docker" "rm" "-f" "52bc5be21c22a48f641a4c078878cb3ef16ec067bba2b05096ed4c8b253342b1"`
[INFO] [stdout] 52bc5be21c22a48f641a4c078878cb3ef16ec067bba2b05096ed4c8b253342b1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 04a8288fac42c48b2332721512129c40b634dd95308648b064908896b5b28e5b
[INFO] running `"docker" "start" "-a" "04a8288fac42c48b2332721512129c40b634dd95308648b064908896b5b28e5b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pixel_sorter-f265f9161fa2847d
[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" "04a8288fac42c48b2332721512129c40b634dd95308648b064908896b5b28e5b"`
[INFO] running `"docker" "rm" "-f" "04a8288fac42c48b2332721512129c40b634dd95308648b064908896b5b28e5b"`
[INFO] [stdout] 04a8288fac42c48b2332721512129c40b634dd95308648b064908896b5b28e5b