[INFO] fetching crate ws2818-rgb-led-spi-driver 1.0.0...
[INFO] testing ws2818-rgb-led-spi-driver-1.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate ws2818-rgb-led-spi-driver 1.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ws2818-rgb-led-spi-driver 1.0.0 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 ws2818-rgb-led-spi-driver 1.0.0
[INFO] finished tweaking crates.io crate ws2818-rgb-led-spi-driver 1.0.0
[INFO] tweaked toml for crates.io crate ws2818-rgb-led-spi-driver 1.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] cb9578af630e64c1fa2a7f44ec7e807fc4b6035cb2cac6b0279ad9a84c1e49f5
[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" "cb9578af630e64c1fa2a7f44ec7e807fc4b6035cb2cac6b0279ad9a84c1e49f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb9578af630e64c1fa2a7f44ec7e807fc4b6035cb2cac6b0279ad9a84c1e49f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb9578af630e64c1fa2a7f44ec7e807fc4b6035cb2cac6b0279ad9a84c1e49f5", kill_on_drop: false }`
[INFO] [stdout] cb9578af630e64c1fa2a7f44ec7e807fc4b6035cb2cac6b0279ad9a84c1e49f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ecc87978900474e8f840cfd979a308c5f416e9dae6cfdf6f857e335bd47390ac
[INFO] running `Command { std: "docker" "start" "-a" "ecc87978900474e8f840cfd979a308c5f416e9dae6cfdf6f857e335bd47390ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling spidev v0.4.0
[INFO] [stderr]    Compiling ws2818-rgb-led-spi-driver v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.93s
[INFO] running `Command { std: "docker" "inspect" "ecc87978900474e8f840cfd979a308c5f416e9dae6cfdf6f857e335bd47390ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc87978900474e8f840cfd979a308c5f416e9dae6cfdf6f857e335bd47390ac", kill_on_drop: false }`
[INFO] [stdout] ecc87978900474e8f840cfd979a308c5f416e9dae6cfdf6f857e335bd47390ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8b22389805571ce1a60d6ba4683679a2f42d6c212468575075a46bd0af691221
[INFO] running `Command { std: "docker" "start" "-a" "8b22389805571ce1a60d6ba4683679a2f42d6c212468575075a46bd0af691221", kill_on_drop: false }`
[INFO] [stderr]    Compiling ws2818-rgb-led-spi-driver v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "8b22389805571ce1a60d6ba4683679a2f42d6c212468575075a46bd0af691221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b22389805571ce1a60d6ba4683679a2f42d6c212468575075a46bd0af691221", kill_on_drop: false }`
[INFO] [stdout] 8b22389805571ce1a60d6ba4683679a2f42d6c212468575075a46bd0af691221
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8327f23b12d52dbc0f5ea3d79f83975fd61961a7bddae32b0c3802726f6c67d7
[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" "8327f23b12d52dbc0f5ea3d79f83975fd61961a7bddae32b0c3802726f6c67d7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ws2818_rgb_led_spi_driver-1682c6ff40bcd159
[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 ws2818-rgb-led-spi-driver
[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" "8327f23b12d52dbc0f5ea3d79f83975fd61961a7bddae32b0c3802726f6c67d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8327f23b12d52dbc0f5ea3d79f83975fd61961a7bddae32b0c3802726f6c67d7", kill_on_drop: false }`
[INFO] [stdout] 8327f23b12d52dbc0f5ea3d79f83975fd61961a7bddae32b0c3802726f6c67d7