[INFO] crate hidapi 0.5.2 is already in cache
[INFO] extracting crate hidapi 0.5.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/hidapi/0.5.2
[INFO] extracting crate hidapi 0.5.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/hidapi/0.5.2
[INFO] validating manifest of hidapi-0.5.2 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 hidapi-0.5.2 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 hidapi-0.5.2
[INFO] finished frobbing hidapi-0.5.2
[INFO] frobbed toml for hidapi-0.5.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/hidapi/0.5.2/Cargo.toml
[INFO] started frobbing hidapi-0.5.2
[INFO] finished frobbing hidapi-0.5.2
[INFO] frobbed toml for hidapi-0.5.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/hidapi/0.5.2/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 hidapi-0.5.2 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-4/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/hidapi/0.5.2:/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] 62063b95d2576354041dd3dcd27b09ffa276801a906c4379db02351177568edc
[INFO] running `"docker" "start" "-a" "62063b95d2576354041dd3dcd27b09ffa276801a906c4379db02351177568edc"`
[INFO] [stderr]    Compiling hidapi v0.5.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> build.rs:43:45
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let avail_backends: [(&'static str, Box<Fn()>); 4] = [
[INFO] [stderr]    |                                             ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: etc/hidapi/libusb/hid.c: In function 'hid_error':
[INFO] [stderr] warning: etc/hidapi/libusb/hid.c:1299:68: warning: unused parameter 'dev' [-Wunused-parameter]
[INFO] [stderr] warning:  HID_API_EXPORT const wchar_t * HID_API_CALL  hid_error(hid_device *dev)
[INFO] [stderr] warning:                                                                     ^~~
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `"docker" "inspect" "62063b95d2576354041dd3dcd27b09ffa276801a906c4379db02351177568edc"`
[INFO] running `"docker" "rm" "-f" "62063b95d2576354041dd3dcd27b09ffa276801a906c4379db02351177568edc"`
[INFO] [stdout] 62063b95d2576354041dd3dcd27b09ffa276801a906c4379db02351177568edc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/hidapi/0.5.2:/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] 713e7b1279596e02b2166192a35215a7eda82ddf573249a106261c0b37ed70c5
[INFO] running `"docker" "start" "-a" "713e7b1279596e02b2166192a35215a7eda82ddf573249a106261c0b37ed70c5"`
[INFO] [stderr] warning: etc/hidapi/libusb/hid.c: In function 'hid_error':
[INFO] [stderr] warning: etc/hidapi/libusb/hid.c:1299:68: warning: unused parameter 'dev' [-Wunused-parameter]
[INFO] [stderr] warning:  HID_API_EXPORT const wchar_t * HID_API_CALL  hid_error(hid_device *dev)
[INFO] [stderr] warning:                                                                     ^~~
[INFO] [stderr]    Compiling hidapi v0.5.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> examples/open_first_device.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         Ok(())
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "713e7b1279596e02b2166192a35215a7eda82ddf573249a106261c0b37ed70c5"`
[INFO] running `"docker" "rm" "-f" "713e7b1279596e02b2166192a35215a7eda82ddf573249a106261c0b37ed70c5"`
[INFO] [stdout] 713e7b1279596e02b2166192a35215a7eda82ddf573249a106261c0b37ed70c5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/hidapi/0.5.2:/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] 751d26e8e181a7453d5b82efe9c3138b980d05c311833a8308f7547ed22811e8
[INFO] running `"docker" "start" "-a" "751d26e8e181a7453d5b82efe9c3138b980d05c311833a8308f7547ed22811e8"`
[INFO] [stderr] warning: etc/hidapi/libusb/hid.c: In function 'hid_error':
[INFO] [stderr] warning: etc/hidapi/libusb/hid.c:1299:68: warning: unused parameter 'dev' [-Wunused-parameter]
[INFO] [stderr] warning:  HID_API_EXPORT const wchar_t * HID_API_CALL  hid_error(hid_device *dev)
[INFO] [stderr] warning:                                                                     ^~~
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hidapi-bd6ad9adf601d255
[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 hidapi
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "751d26e8e181a7453d5b82efe9c3138b980d05c311833a8308f7547ed22811e8"`
[INFO] running `"docker" "rm" "-f" "751d26e8e181a7453d5b82efe9c3138b980d05c311833a8308f7547ed22811e8"`
[INFO] [stdout] 751d26e8e181a7453d5b82efe9c3138b980d05c311833a8308f7547ed22811e8