[INFO] fetching crate dominant_color 0.2.2...
[INFO] extracting crate dominant_color 0.2.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/dominant_color/0.2.2
[INFO] extracting crate dominant_color 0.2.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/dominant_color/0.2.2
[INFO] validating manifest of dominant_color-0.2.2 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 dominant_color-0.2.2 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 dominant_color-0.2.2
[INFO] finished frobbing dominant_color-0.2.2
[INFO] frobbed toml for dominant_color-0.2.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/dominant_color/0.2.2/Cargo.toml
[INFO] started frobbing dominant_color-0.2.2
[INFO] finished frobbing dominant_color-0.2.2
[INFO] frobbed toml for dominant_color-0.2.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/dominant_color/0.2.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing dominant_color-0.2.2 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/reg/dominant_color/0.2.2:/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] 0a5fa9073582108402854b04ab6b7f8b7b347f612cdbb076b0cd2d93d45ed6be
[INFO] running `"docker" "start" "-a" "0a5fa9073582108402854b04ab6b7f8b7b347f612cdbb076b0cd2d93d45ed6be"`
[INFO] [stderr]    Compiling dominant_color v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "0a5fa9073582108402854b04ab6b7f8b7b347f612cdbb076b0cd2d93d45ed6be"`
[INFO] running `"docker" "rm" "-f" "0a5fa9073582108402854b04ab6b7f8b7b347f612cdbb076b0cd2d93d45ed6be"`
[INFO] [stdout] 0a5fa9073582108402854b04ab6b7f8b7b347f612cdbb076b0cd2d93d45ed6be
[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/reg/dominant_color/0.2.2:/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] 21982ecd5cdc18119a4605fbb595559c6d13e2f7f034bfbedab59aadfcd578dd
[INFO] running `"docker" "start" "-a" "21982ecd5cdc18119a4605fbb595559c6d13e2f7f034bfbedab59aadfcd578dd"`
[INFO] [stderr]    Compiling image v0.21.2
[INFO] [stderr]    Compiling dominant_color v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.00s
[INFO] running `"docker" "inspect" "21982ecd5cdc18119a4605fbb595559c6d13e2f7f034bfbedab59aadfcd578dd"`
[INFO] running `"docker" "rm" "-f" "21982ecd5cdc18119a4605fbb595559c6d13e2f7f034bfbedab59aadfcd578dd"`
[INFO] [stdout] 21982ecd5cdc18119a4605fbb595559c6d13e2f7f034bfbedab59aadfcd578dd
[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/reg/dominant_color/0.2.2:/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] 2b5b706ce702ff9d9312a3dbb3e4119f8c1d15a728584ec067ffc04059df0a6c
[INFO] running `"docker" "start" "-a" "2b5b706ce702ff9d9312a3dbb3e4119f8c1d15a728584ec067ffc04059df0a6c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dominant_color-f3bd3e928238b721
[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]      Running /opt/crater/target/debug/deps/test-99b1145a517fbd00
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test two_colors ... ok
[INFO] [stdout] test transparent_image ... ok
[INFO] [stdout] test single_pixel ... ok
[INFO] [stdout] test one_color ... ok
[INFO] [stdout] test mixed_colors ... ok
[INFO] [stdout] test empty_image ... ok
[INFO] [stdout] test two_colors_and_one_transparent ... ok
[INFO] [stdout] test image ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dominant_color
[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" "2b5b706ce702ff9d9312a3dbb3e4119f8c1d15a728584ec067ffc04059df0a6c"`
[INFO] running `"docker" "rm" "-f" "2b5b706ce702ff9d9312a3dbb3e4119f8c1d15a728584ec067ffc04059df0a6c"`
[INFO] [stdout] 2b5b706ce702ff9d9312a3dbb3e4119f8c1d15a728584ec067ffc04059df0a6c