[INFO] crate exoquant 0.2.0 is already in cache
[INFO] extracting crate exoquant 0.2.0 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/exoquant/0.2.0
[INFO] extracting crate exoquant 0.2.0 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/exoquant/0.2.0
[INFO] validating manifest of exoquant-0.2.0 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of exoquant-0.2.0 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing exoquant-0.2.0
[INFO] finished frobbing exoquant-0.2.0
[INFO] frobbed toml for exoquant-0.2.0 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/exoquant/0.2.0/Cargo.toml
[INFO] started frobbing exoquant-0.2.0
[INFO] finished frobbing exoquant-0.2.0
[INFO] frobbed toml for exoquant-0.2.0 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/exoquant/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing exoquant-0.2.0 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/exoquant/0.2.0:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] fd45fd65a4fc804e31c34cbcf866c6b444deb47cf5f99c5c9757fb9c8839da8f
[INFO] running `"docker" "start" "-a" "fd45fd65a4fc804e31c34cbcf866c6b444deb47cf5f99c5c9757fb9c8839da8f"`
[INFO] [stderr]    Compiling exoquant v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "fd45fd65a4fc804e31c34cbcf866c6b444deb47cf5f99c5c9757fb9c8839da8f"`
[INFO] running `"docker" "rm" "-f" "fd45fd65a4fc804e31c34cbcf866c6b444deb47cf5f99c5c9757fb9c8839da8f"`
[INFO] [stdout] fd45fd65a4fc804e31c34cbcf866c6b444deb47cf5f99c5c9757fb9c8839da8f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/exoquant/0.2.0:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] be30f17cf68ca0377c34c036b7e461e5216bb46d3fda84adb33679fda5e7e51b
[INFO] running `"docker" "start" "-a" "be30f17cf68ca0377c34c036b7e461e5216bb46d3fda84adb33679fda5e7e51b"`
[INFO] [stderr]    Compiling lodepng v0.8.2
[INFO] [stderr]    Compiling rgb v0.7.2
[INFO] [stderr]    Compiling c_vec v1.3.2
[INFO] [stderr]    Compiling exoquant v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.76s
[INFO] running `"docker" "inspect" "be30f17cf68ca0377c34c036b7e461e5216bb46d3fda84adb33679fda5e7e51b"`
[INFO] running `"docker" "rm" "-f" "be30f17cf68ca0377c34c036b7e461e5216bb46d3fda84adb33679fda5e7e51b"`
[INFO] [stdout] be30f17cf68ca0377c34c036b7e461e5216bb46d3fda84adb33679fda5e7e51b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/exoquant/0.2.0:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 8e8d5b82a5f8f4b53cd8d1d8d757c0866b14beabde04b07d1a5ca0802ac4c0f8
[INFO] running `"docker" "start" "-a" "8e8d5b82a5f8f4b53cd8d1d8d757c0866b14beabde04b07d1a5ca0802ac4c0f8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/exoquant-6c57c34b22ddb679
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test histogram::tests::count_duplicates ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests exoquant
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/histogram.rs - histogram::Histogram (line 17) ... ok
[INFO] [stdout] test src/histogram.rs - histogram::Histogram (line 24) ... ok
[INFO] [stdout] test src/basicapi.rs - basicapi::convert_to_indexed (line 8) ... ok
[INFO] [stdout] test src/quantizer.rs - quantizer::Quantizer (line 114) ... ok
[INFO] [stdout] test src/quantizer.rs - quantizer::Quantizer (line 126) ... ok
[INFO] [stdout] test src/basicapi.rs - basicapi::generate_palette (line 39) ... ok
[INFO] [stdout] test src/remapper.rs - remapper::Remapper (line 12) ... ok
[INFO] [stdout] test src/optimizer.rs - optimizer::Optimizer::optimize_palette (line 16) ... ok
[INFO] [stdout] test src/lib.rs -  (line 13) ... ok
[INFO] [stdout] test src/remapper.rs - remapper::Remapper (line 22) ... ok
[INFO] [stdout] test src/lib.rs -  (line 32) ... ok
[INFO] [stdout] test src/quantizer.rs - quantizer::Quantizer::optimize (line 196) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8e8d5b82a5f8f4b53cd8d1d8d757c0866b14beabde04b07d1a5ca0802ac4c0f8"`
[INFO] running `"docker" "rm" "-f" "8e8d5b82a5f8f4b53cd8d1d8d757c0866b14beabde04b07d1a5ca0802ac4c0f8"`
[INFO] [stdout] 8e8d5b82a5f8f4b53cd8d1d8d757c0866b14beabde04b07d1a5ca0802ac4c0f8