[INFO] fetching crate new-home-ws281x 1.0.4...
[INFO] testing new-home-ws281x-1.0.4 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate new-home-ws281x 1.0.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate new-home-ws281x 1.0.4 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 crates.io crate new-home-ws281x 1.0.4
[INFO] finished tweaking crates.io crate new-home-ws281x 1.0.4
[INFO] tweaked toml for crates.io crate new-home-ws281x 1.0.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate new-home-ws281x 1.0.4 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 palette_derive v0.5.0
[INFO] [stderr]   Downloaded palette v0.5.0
[INFO] [stderr]   Downloaded bindgen v0.37.4
[INFO] [stderr]   Downloaded new-home-application v0.1.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.13
[INFO] [stderr]   Downloaded syn v1.0.23
[INFO] [stderr]   Downloaded rs_ws281x v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 08d820dc9f302f5a0a2d70b143cd189677a2c68a162c7b6c6d85486260ac23cc
[INFO] running `Command { std: "docker" "start" "-a" "08d820dc9f302f5a0a2d70b143cd189677a2c68a162c7b6c6d85486260ac23cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08d820dc9f302f5a0a2d70b143cd189677a2c68a162c7b6c6d85486260ac23cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d820dc9f302f5a0a2d70b143cd189677a2c68a162c7b6c6d85486260ac23cc", kill_on_drop: false }`
[INFO] [stdout] 08d820dc9f302f5a0a2d70b143cd189677a2c68a162c7b6c6d85486260ac23cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 17f27bc26244788609d65755e7c9a32535b42847b1f0b4847f91a386cd4cfb3d
[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" "17f27bc26244788609d65755e7c9a32535b42847b1f0b4847f91a386cd4cfb3d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling rs_ws281x v0.2.3
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling new-home-application v0.1.3
[INFO] [stderr]    Compiling new-home-ws281x v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.23s
[INFO] running `Command { std: "docker" "inspect" "17f27bc26244788609d65755e7c9a32535b42847b1f0b4847f91a386cd4cfb3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f27bc26244788609d65755e7c9a32535b42847b1f0b4847f91a386cd4cfb3d", kill_on_drop: false }`
[INFO] [stdout] 17f27bc26244788609d65755e7c9a32535b42847b1f0b4847f91a386cd4cfb3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] cd3f00f291c831ccb0fcb0ae3501ddb0edbe36a49d29a27b08ecfd7e8c785ee4
[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" "cd3f00f291c831ccb0fcb0ae3501ddb0edbe36a49d29a27b08ecfd7e8c785ee4", kill_on_drop: false }`
[INFO] [stderr]    Compiling new-home-ws281x v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "cd3f00f291c831ccb0fcb0ae3501ddb0edbe36a49d29a27b08ecfd7e8c785ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd3f00f291c831ccb0fcb0ae3501ddb0edbe36a49d29a27b08ecfd7e8c785ee4", kill_on_drop: false }`
[INFO] [stdout] cd3f00f291c831ccb0fcb0ae3501ddb0edbe36a49d29a27b08ecfd7e8c785ee4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b512fb775b85a9981abf3064880c46ca8fa52273b4e532553c10e739f9fde546
[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" "b512fb775b85a9981abf3064880c46ca8fa52273b4e532553c10e739f9fde546", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/new_home_ws281x-0e0809135d6ff5ae)
[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" "b512fb775b85a9981abf3064880c46ca8fa52273b4e532553c10e739f9fde546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b512fb775b85a9981abf3064880c46ca8fa52273b4e532553c10e739f9fde546", kill_on_drop: false }`
[INFO] [stdout] b512fb775b85a9981abf3064880c46ca8fa52273b4e532553c10e739f9fde546