[INFO] crate usb-device 0.2.3 is already in cache
[INFO] testing usb-device-0.2.3 against 1.38.0 for beta-1.39-1
[INFO] extracting crate usb-device 0.2.3 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate usb-device 0.2.3 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate usb-device 0.2.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate usb-device 0.2.3
[INFO] tweaked toml for crates.io crate usb-device 0.2.3 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] e455f36839a1aed220487d857f05717e5affb1be2db5359805474c247f51fa0b
[INFO] running `"docker" "start" "-a" "e455f36839a1aed220487d857f05717e5affb1be2db5359805474c247f51fa0b"`
[INFO] [stderr]    Compiling usb-device v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "e455f36839a1aed220487d857f05717e5affb1be2db5359805474c247f51fa0b"`
[INFO] running `"docker" "rm" "-f" "e455f36839a1aed220487d857f05717e5affb1be2db5359805474c247f51fa0b"`
[INFO] [stdout] e455f36839a1aed220487d857f05717e5affb1be2db5359805474c247f51fa0b
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 73982235f6aa4780a3fcc1f6df352463ca70f1e736a815ebcab3a58e9076a030
[INFO] running `"docker" "start" "-a" "73982235f6aa4780a3fcc1f6df352463ca70f1e736a815ebcab3a58e9076a030"`
[INFO] [stderr]    Compiling bit-vec v0.6.1
[INFO] [stderr]    Compiling libusb-sys v0.2.3
[INFO] [stderr]    Compiling bit-set v0.2.0
[INFO] [stderr]    Compiling libusb v0.3.0
[INFO] [stderr]    Compiling usb-device v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `"docker" "inspect" "73982235f6aa4780a3fcc1f6df352463ca70f1e736a815ebcab3a58e9076a030"`
[INFO] running `"docker" "rm" "-f" "73982235f6aa4780a3fcc1f6df352463ca70f1e736a815ebcab3a58e9076a030"`
[INFO] [stdout] 73982235f6aa4780a3fcc1f6df352463ca70f1e736a815ebcab3a58e9076a030
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] d3683d2c4296a0615774d3b25f80e4c7f086d5fad697db2ab9fbcb86d6ab5876
[INFO] running `"docker" "start" "-a" "d3683d2c4296a0615774d3b25f80e4c7f086d5fad697db2ab9fbcb86d6ab5876"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/usb_device-ec9bff486f5baad8
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_class_host-a8ad4bcf9cc3413c
[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] [stdout] test_class_host starting
[INFO] [stdout] looking for device...
[INFO] [stdout] Did not find a TestClass device. Make sure the device is correctly programmed and plugged in. Last error: No such device (it may have been disconnected)
[INFO] [stderr]    Doc-tests usb-device
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/device.rs - device::UsbDevice::poll (line 144) ... ignored
[INFO] [stdout] test src/lib.rs - device (line 130) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d3683d2c4296a0615774d3b25f80e4c7f086d5fad697db2ab9fbcb86d6ab5876"`
[INFO] running `"docker" "rm" "-f" "d3683d2c4296a0615774d3b25f80e4c7f086d5fad697db2ab9fbcb86d6ab5876"`
[INFO] [stdout] d3683d2c4296a0615774d3b25f80e4c7f086d5fad697db2ab9fbcb86d6ab5876