[INFO] fetching crate usb-device 0.2.7...
[INFO] testing usb-device-0.2.7 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate usb-device 0.2.7 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate usb-device 0.2.7 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate usb-device 0.2.7
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate usb-device 0.2.7
[INFO] tweaked toml for crates.io crate usb-device 0.2.7 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] deb0ebc70b61d896afe1d5a6d7ed0725c522cddf08ae9ab289005a163650edf9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "deb0ebc70b61d896afe1d5a6d7ed0725c522cddf08ae9ab289005a163650edf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "deb0ebc70b61d896afe1d5a6d7ed0725c522cddf08ae9ab289005a163650edf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deb0ebc70b61d896afe1d5a6d7ed0725c522cddf08ae9ab289005a163650edf9", kill_on_drop: false }`
[INFO] [stdout] deb0ebc70b61d896afe1d5a6d7ed0725c522cddf08ae9ab289005a163650edf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 797c000ff19bf3147e80a4aff27dd0ffead1bbb7042e693ef7b944fe6f899547
[INFO] running `Command { std: "docker" "start" "-a" "797c000ff19bf3147e80a4aff27dd0ffead1bbb7042e693ef7b944fe6f899547", kill_on_drop: false }`
[INFO] [stderr]    Compiling usb-device v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "797c000ff19bf3147e80a4aff27dd0ffead1bbb7042e693ef7b944fe6f899547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "797c000ff19bf3147e80a4aff27dd0ffead1bbb7042e693ef7b944fe6f899547", kill_on_drop: false }`
[INFO] [stdout] 797c000ff19bf3147e80a4aff27dd0ffead1bbb7042e693ef7b944fe6f899547
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51c0dabce59a7913d3e5e54fd7fe9be004d4367aedaa47ba5d322313a3a10d5a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "51c0dabce59a7913d3e5e54fd7fe9be004d4367aedaa47ba5d322313a3a10d5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling bit-set v0.2.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling libusb-sys v0.2.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling libusb v0.3.0
[INFO] [stderr]    Compiling usb-device v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.48s
[INFO] running `Command { std: "docker" "inspect" "51c0dabce59a7913d3e5e54fd7fe9be004d4367aedaa47ba5d322313a3a10d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c0dabce59a7913d3e5e54fd7fe9be004d4367aedaa47ba5d322313a3a10d5a", kill_on_drop: false }`
[INFO] [stdout] 51c0dabce59a7913d3e5e54fd7fe9be004d4367aedaa47ba5d322313a3a10d5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e863c09b034b1b9faf0984cc0a98fb9fcfc54864c42548ded27ef29546434201
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e863c09b034b1b9faf0984cc0a98fb9fcfc54864c42548ded27ef29546434201", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/usb_device-8f73861fafcbedc4
[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]      Running /opt/rustwide/target/debug/deps/test_class_host-79dd32e4cef36e33
[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 145) ... ignored
[INFO] [stdout] test src/lib.rs - device (line 131) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e863c09b034b1b9faf0984cc0a98fb9fcfc54864c42548ded27ef29546434201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e863c09b034b1b9faf0984cc0a98fb9fcfc54864c42548ded27ef29546434201", kill_on_drop: false }`
[INFO] [stdout] e863c09b034b1b9faf0984cc0a98fb9fcfc54864c42548ded27ef29546434201