[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-1.38-1/sources/1.37.0/reg/stream_deck_rs/0.1.1
[INFO] extracting crate stream_deck_rs 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stream_deck_rs/0.1.1
[INFO] validating manifest of stream_deck_rs-0.1.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stream_deck_rs-0.1.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/stream_deck_rs/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing stream_deck_rs-0.1.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 89fdd785939811615b0bb3f9fb6e91fe95d14ddc24de78b4ef2403f602c7d2a4
[INFO] running `"docker" "start" "-a" "89fdd785939811615b0bb3f9fb6e91fe95d14ddc24de78b4ef2403f602c7d2a4"`
[INFO] [stderr]    Compiling hidapi v0.5.2
[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 15.62s
[INFO] running `"docker" "inspect" "89fdd785939811615b0bb3f9fb6e91fe95d14ddc24de78b4ef2403f602c7d2a4"`
[INFO] running `"docker" "rm" "-f" "89fdd785939811615b0bb3f9fb6e91fe95d14ddc24de78b4ef2403f602c7d2a4"`
[INFO] [stdout] 89fdd785939811615b0bb3f9fb6e91fe95d14ddc24de78b4ef2403f602c7d2a4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 481b07eeb91c64a43d61c5aa446093a088062ea2858e5ae438d183d33068e8c3
[INFO] running `"docker" "start" "-a" "481b07eeb91c64a43d61c5aa446093a088062ea2858e5ae438d183d33068e8c3"`
[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/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] 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]     Finished dev [unoptimized + debuginfo] target(s) in 4.21s
[INFO] running `"docker" "inspect" "481b07eeb91c64a43d61c5aa446093a088062ea2858e5ae438d183d33068e8c3"`
[INFO] running `"docker" "rm" "-f" "481b07eeb91c64a43d61c5aa446093a088062ea2858e5ae438d183d33068e8c3"`
[INFO] [stdout] 481b07eeb91c64a43d61c5aa446093a088062ea2858e5ae438d183d33068e8c3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 6288f55fd02360ce0b51ac1cb066198aef73d8e05122e853f8e7739c2e1321a4
[INFO] running `"docker" "start" "-a" "6288f55fd02360ce0b51ac1cb066198aef73d8e05122e853f8e7739c2e1321a4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stream_deck_rs-518001976d605cfb
[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" "6288f55fd02360ce0b51ac1cb066198aef73d8e05122e853f8e7739c2e1321a4"`
[INFO] running `"docker" "rm" "-f" "6288f55fd02360ce0b51ac1cb066198aef73d8e05122e853f8e7739c2e1321a4"`
[INFO] [stdout] 6288f55fd02360ce0b51ac1cb066198aef73d8e05122e853f8e7739c2e1321a4