[INFO] fetching crate xu4-hal 0.2.3...
[INFO] testing xu4-hal-0.2.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate xu4-hal 0.2.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate xu4-hal 0.2.3 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xu4-hal 0.2.3
[INFO] finished tweaking crates.io crate xu4-hal 0.2.3
[INFO] tweaked toml for crates.io crate xu4-hal 0.2.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate xu4-hal 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded embedded-hal v0.2.3
[INFO] [stderr]   Downloaded version_check v0.9.1
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] [stderr]   Downloaded nb v0.1.2
[INFO] [stderr]   Downloaded error-chain v0.12.2
[INFO] [stderr]   Downloaded nix v0.11.1
[INFO] [stderr]   Downloaded gpio-cdev v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] b21d503901f9e4c60063460ddcb70514592167f4b87fc8724c75e71152cc16a1
[INFO] running `Command { std: "docker" "start" "-a" "b21d503901f9e4c60063460ddcb70514592167f4b87fc8724c75e71152cc16a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b21d503901f9e4c60063460ddcb70514592167f4b87fc8724c75e71152cc16a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b21d503901f9e4c60063460ddcb70514592167f4b87fc8724c75e71152cc16a1", kill_on_drop: false }`
[INFO] [stdout] b21d503901f9e4c60063460ddcb70514592167f4b87fc8724c75e71152cc16a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8973eac6bbf1f8567f6251496d4bdcbbb562c0d8bd551f3a796eeb903378b9b5
[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" "8973eac6bbf1f8567f6251496d4bdcbbb562c0d8bd551f3a796eeb903378b9b5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling nb v0.1.2
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling backtrace v0.3.44
[INFO] [stderr]    Compiling gpio-cdev v0.2.0
[INFO] [stderr]    Compiling xu4-hal v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.64s
[INFO] running `Command { std: "docker" "inspect" "8973eac6bbf1f8567f6251496d4bdcbbb562c0d8bd551f3a796eeb903378b9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8973eac6bbf1f8567f6251496d4bdcbbb562c0d8bd551f3a796eeb903378b9b5", kill_on_drop: false }`
[INFO] [stdout] 8973eac6bbf1f8567f6251496d4bdcbbb562c0d8bd551f3a796eeb903378b9b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f11150f023a5620092bab5b463e222bdc9df3154f430cb808259ca30f031a42
[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" "5f11150f023a5620092bab5b463e222bdc9df3154f430cb808259ca30f031a42", kill_on_drop: false }`
[INFO] [stderr]    Compiling xu4-hal v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "5f11150f023a5620092bab5b463e222bdc9df3154f430cb808259ca30f031a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f11150f023a5620092bab5b463e222bdc9df3154f430cb808259ca30f031a42", kill_on_drop: false }`
[INFO] [stdout] 5f11150f023a5620092bab5b463e222bdc9df3154f430cb808259ca30f031a42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b7a84598795e414c05706f3c458686e237e59be826d9685365b95c1c1eb18aac
[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" "b7a84598795e414c05706f3c458686e237e59be826d9685365b95c1c1eb18aac", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xu4_hal-3a4eb65fa4383ca3
[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] [stderr]    Doc-tests xu4-hal
[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" "b7a84598795e414c05706f3c458686e237e59be826d9685365b95c1c1eb18aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7a84598795e414c05706f3c458686e237e59be826d9685365b95c1c1eb18aac", kill_on_drop: false }`
[INFO] [stdout] b7a84598795e414c05706f3c458686e237e59be826d9685365b95c1c1eb18aac