[INFO] cloning repository https://github.com/mygnu/rcue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mygnu/rcue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmygnu%2Frcue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmygnu%2Frcue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2a42483c023bc651849f9fc95c00ab8e9474e1b
[INFO] testing mygnu/rcue against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmygnu%2Frcue" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mygnu/rcue on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mygnu/rcue
[INFO] finished tweaking git repo https://github.com/mygnu/rcue
[INFO] tweaked toml for git repo https://github.com/mygnu/rcue written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mygnu/rcue already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libusb1-sys v0.3.7
[INFO] [stderr]   Downloaded rusb v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", 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] f8a70bea3b8786677382839429d8b38b6b724d335a3da86da97e0b9a520283d4
[INFO] running `Command { std: "docker" "start" "-a" "f8a70bea3b8786677382839429d8b38b6b724d335a3da86da97e0b9a520283d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8a70bea3b8786677382839429d8b38b6b724d335a3da86da97e0b9a520283d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a70bea3b8786677382839429d8b38b6b724d335a3da86da97e0b9a520283d4", kill_on_drop: false }`
[INFO] [stdout] f8a70bea3b8786677382839429d8b38b6b724d335a3da86da97e0b9a520283d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 8cc4e3527b7b0ad31120bc85d7c924e2d2909d2502b8ea4138a6e9cca5fd4fba
[INFO] running `Command { std: "docker" "start" "-a" "8cc4e3527b7b0ad31120bc85d7c924e2d2909d2502b8ea4138a6e9cca5fd4fba", kill_on_drop: false }`
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling tar v0.4.29
[INFO] [stderr]    Compiling libusb1-sys v0.3.7
[INFO] [stderr]    Compiling rusb v0.6.2
[INFO] [stderr]    Compiling rcue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `print_device_info`
[INFO] [stdout]   --> src/main.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn print_device_info<T: UsbContext>(handle: &mut DeviceHandle<T>) -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.11s
[INFO] running `Command { std: "docker" "inspect" "8cc4e3527b7b0ad31120bc85d7c924e2d2909d2502b8ea4138a6e9cca5fd4fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc4e3527b7b0ad31120bc85d7c924e2d2909d2502b8ea4138a6e9cca5fd4fba", kill_on_drop: false }`
[INFO] [stdout] 8cc4e3527b7b0ad31120bc85d7c924e2d2909d2502b8ea4138a6e9cca5fd4fba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d496582d8e16088bdc9604bf68e304fad0c47e617f5616277a41bced774cc0f4
[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" "d496582d8e16088bdc9604bf68e304fad0c47e617f5616277a41bced774cc0f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `print_device_info`
[INFO] [stdout]   --> src/main.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn print_device_info<T: UsbContext>(handle: &mut DeviceHandle<T>) -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "d496582d8e16088bdc9604bf68e304fad0c47e617f5616277a41bced774cc0f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d496582d8e16088bdc9604bf68e304fad0c47e617f5616277a41bced774cc0f4", kill_on_drop: false }`
[INFO] [stdout] d496582d8e16088bdc9604bf68e304fad0c47e617f5616277a41bced774cc0f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e03fe58fce1e4b8f1b12cca2baa79aeff6b5b11a941dacd4af1795cbbf56a488
[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" "e03fe58fce1e4b8f1b12cca2baa79aeff6b5b11a941dacd4af1795cbbf56a488", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `print_device_info`
[INFO] [stderr]   --> src/main.rs:81:4
[INFO] [stderr]    |
[INFO] [stderr] 81 | fn print_device_info<T: UsbContext>(handle: &mut DeviceHandle<T>) -> Result<()> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rcue` (bin "rcue" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rcue-bfda6192168841ad)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e03fe58fce1e4b8f1b12cca2baa79aeff6b5b11a941dacd4af1795cbbf56a488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e03fe58fce1e4b8f1b12cca2baa79aeff6b5b11a941dacd4af1795cbbf56a488", kill_on_drop: false }`
[INFO] [stdout] e03fe58fce1e4b8f1b12cca2baa79aeff6b5b11a941dacd4af1795cbbf56a488