[INFO] crate color_counter 0.2.2 is already in cache
[INFO] extracting crate color_counter 0.2.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/color_counter/0.2.2
[INFO] extracting crate color_counter 0.2.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/color_counter/0.2.2
[INFO] validating manifest of color_counter-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 color_counter-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 color_counter-0.2.2
[INFO] finished frobbing color_counter-0.2.2
[INFO] frobbed toml for color_counter-0.2.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/color_counter/0.2.2/Cargo.toml
[INFO] started frobbing color_counter-0.2.2
[INFO] finished frobbing color_counter-0.2.2
[INFO] frobbed toml for color_counter-0.2.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/color_counter/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 color_counter-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/color_counter/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] 7e07e13803f0bea3af48e4856c2741128205b0323df847c6f95aedd3b4fe7188
[INFO] running `"docker" "start" "-a" "7e07e13803f0bea3af48e4856c2741128205b0323df847c6f95aedd3b4fe7188"`
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling gif v0.10.2
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling color_processing v0.3.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.2
[INFO] [stderr]    Compiling color_counter v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.62s
[INFO] running `"docker" "inspect" "7e07e13803f0bea3af48e4856c2741128205b0323df847c6f95aedd3b4fe7188"`
[INFO] running `"docker" "rm" "-f" "7e07e13803f0bea3af48e4856c2741128205b0323df847c6f95aedd3b4fe7188"`
[INFO] [stdout] 7e07e13803f0bea3af48e4856c2741128205b0323df847c6f95aedd3b4fe7188
[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/color_counter/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] 910aec3caae546feb72efc03109501afe29a60b531929e74a70e788fc15c2858
[INFO] running `"docker" "start" "-a" "910aec3caae546feb72efc03109501afe29a60b531929e74a70e788fc15c2858"`
[INFO] [stderr]    Compiling color_counter v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `"docker" "inspect" "910aec3caae546feb72efc03109501afe29a60b531929e74a70e788fc15c2858"`
[INFO] running `"docker" "rm" "-f" "910aec3caae546feb72efc03109501afe29a60b531929e74a70e788fc15c2858"`
[INFO] [stdout] 910aec3caae546feb72efc03109501afe29a60b531929e74a70e788fc15c2858
[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/color_counter/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] 088f048b439fa0ddd4588a8b0e20d1d0510dcdbb53113da394f3d44fa597dde4
[INFO] running `"docker" "start" "-a" "088f048b439fa0ddd4588a8b0e20d1d0510dcdbb53113da394f3d44fa597dde4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/color_counter-c181f84251332fe1
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test space::tests::test_color_freq ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/color_counter-ab752c23a3ff8726
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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 color_counter
[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" "088f048b439fa0ddd4588a8b0e20d1d0510dcdbb53113da394f3d44fa597dde4"`
[INFO] running `"docker" "rm" "-f" "088f048b439fa0ddd4588a8b0e20d1d0510dcdbb53113da394f3d44fa597dde4"`
[INFO] [stdout] 088f048b439fa0ddd4588a8b0e20d1d0510dcdbb53113da394f3d44fa597dde4