[INFO] crate ws2812-spi 0.3.0 is already in cache
[INFO] testing ws2812-spi-0.3.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate ws2812-spi 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ws2812-spi 0.3.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/.cargo/config
[INFO] started tweaking crates.io crate ws2812-spi 0.3.0
[INFO] finished tweaking crates.io crate ws2812-spi 0.3.0
[INFO] tweaked toml for crates.io crate ws2812-spi 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ef7126623fce8d6c4a5cab239ff80f78a2b9e3221ff931a7a6654c0c53f6d46
[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" "4ef7126623fce8d6c4a5cab239ff80f78a2b9e3221ff931a7a6654c0c53f6d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ef7126623fce8d6c4a5cab239ff80f78a2b9e3221ff931a7a6654c0c53f6d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ef7126623fce8d6c4a5cab239ff80f78a2b9e3221ff931a7a6654c0c53f6d46", kill_on_drop: false }`
[INFO] [stdout] 4ef7126623fce8d6c4a5cab239ff80f78a2b9e3221ff931a7a6654c0c53f6d46
[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" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be7873165befb947eeaa1ab654a2ada76bc88ec9c2e9c9c3885c9bb6e2651c4e
[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" "be7873165befb947eeaa1ab654a2ada76bc88ec9c2e9c9c3885c9bb6e2651c4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.3.1
[INFO] [stderr]    Compiling rgb v0.8.20
[INFO] [stderr]    Compiling smart-leds-trait v0.2.0
[INFO] [stderr]    Compiling ws2812-spi v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "be7873165befb947eeaa1ab654a2ada76bc88ec9c2e9c9c3885c9bb6e2651c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be7873165befb947eeaa1ab654a2ada76bc88ec9c2e9c9c3885c9bb6e2651c4e", kill_on_drop: false }`
[INFO] [stdout] be7873165befb947eeaa1ab654a2ada76bc88ec9c2e9c9c3885c9bb6e2651c4e
[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" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59418a17f3f46339a1a047dc7c796b36018346b847e625ad206d95e048a79c0a
[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" "59418a17f3f46339a1a047dc7c796b36018346b847e625ad206d95e048a79c0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ws2812-spi v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "59418a17f3f46339a1a047dc7c796b36018346b847e625ad206d95e048a79c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59418a17f3f46339a1a047dc7c796b36018346b847e625ad206d95e048a79c0a", kill_on_drop: false }`
[INFO] [stdout] 59418a17f3f46339a1a047dc7c796b36018346b847e625ad206d95e048a79c0a
[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" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 113af9222e60f673fac74176a2a5f4334e5dc02edbe27a9c03f8ddfa3dda529b
[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" "113af9222e60f673fac74176a2a5f4334e5dc02edbe27a9c03f8ddfa3dda529b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ws2812_spi-4a3951f86f63f197
[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 ws2812-spi
[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] running `Command { std: "docker" "inspect" "113af9222e60f673fac74176a2a5f4334e5dc02edbe27a9c03f8ddfa3dda529b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "113af9222e60f673fac74176a2a5f4334e5dc02edbe27a9c03f8ddfa3dda529b", kill_on_drop: false }`
[INFO] [stdout] 113af9222e60f673fac74176a2a5f4334e5dc02edbe27a9c03f8ddfa3dda529b