[INFO] crate stream_deck_rs 0.1.1 is already in cache
[INFO] extracting crate stream_deck_rs 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/stream_deck_rs/0.1.1
[INFO] extracting crate stream_deck_rs 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/stream_deck_rs/0.1.1
[INFO] validating manifest of stream_deck_rs-0.1.1 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 stream_deck_rs-0.1.1 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 stream_deck_rs-0.1.1
[INFO] finished frobbing stream_deck_rs-0.1.1
[INFO] frobbed toml for stream_deck_rs-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/stream_deck_rs/0.1.1/Cargo.toml
[INFO] started frobbing stream_deck_rs-0.1.1
[INFO] finished frobbing stream_deck_rs-0.1.1
[INFO] frobbed toml for stream_deck_rs-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/stream_deck_rs/0.1.1/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 stream_deck_rs-0.1.1 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-0/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/stream_deck_rs/0.1.1:/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] 3d610dc5ce31cd611cfc5002ed78bd8dcc01e1b12f2ff3eda413ffae37610954
[INFO] running `"docker" "start" "-a" "3d610dc5ce31cd611cfc5002ed78bd8dcc01e1b12f2ff3eda413ffae37610954"`
[INFO] [stderr]    Compiling hidapi v0.5.2
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling stream_deck_rs v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.53s
[INFO] running `"docker" "inspect" "3d610dc5ce31cd611cfc5002ed78bd8dcc01e1b12f2ff3eda413ffae37610954"`
[INFO] running `"docker" "rm" "-f" "3d610dc5ce31cd611cfc5002ed78bd8dcc01e1b12f2ff3eda413ffae37610954"`
[INFO] [stdout] 3d610dc5ce31cd611cfc5002ed78bd8dcc01e1b12f2ff3eda413ffae37610954
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/stream_deck_rs/0.1.1:/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] 58e8457f621e4781570d56ce1868182ef69e47bc147001ec03240fdad4056db2
[INFO] running `"docker" "start" "-a" "58e8457f621e4781570d56ce1868182ef69e47bc147001ec03240fdad4056db2"`
[INFO] [stderr]    Compiling stream_deck_rs v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> examples/image.rs:6:3
[INFO] [stderr]   |
[INFO] [stderr] 6 |   stream_deck_rs::clear_all_keys();
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/image.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     stream_deck_rs::fill_image_from_path(&path, key_index);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> examples/color.rs:4:3
[INFO] [stderr]   |
[INFO] [stderr] 4 |   stream_deck_rs::clear_all_keys();
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> examples/color.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     stream_deck_rs::fill_color(key_index * 10, key_index * 5, key_index * 8, key_index);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `"docker" "inspect" "58e8457f621e4781570d56ce1868182ef69e47bc147001ec03240fdad4056db2"`
[INFO] running `"docker" "rm" "-f" "58e8457f621e4781570d56ce1868182ef69e47bc147001ec03240fdad4056db2"`
[INFO] [stdout] 58e8457f621e4781570d56ce1868182ef69e47bc147001ec03240fdad4056db2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/stream_deck_rs/0.1.1:/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] 4e1cddb5f54d8c8318c606401ffaf5753d0d074877c54147d6f2399a7c684b42
[INFO] running `"docker" "start" "-a" "4e1cddb5f54d8c8318c606401ffaf5753d0d074877c54147d6f2399a7c684b42"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stream_deck_rs-a394f80411857a56
[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 stream_deck_rs
[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" "4e1cddb5f54d8c8318c606401ffaf5753d0d074877c54147d6f2399a7c684b42"`
[INFO] running `"docker" "rm" "-f" "4e1cddb5f54d8c8318c606401ffaf5753d0d074877c54147d6f2399a7c684b42"`
[INFO] [stdout] 4e1cddb5f54d8c8318c606401ffaf5753d0d074877c54147d6f2399a7c684b42