[INFO] fetching crate unicorn_hat_hd 0.2.1...
[INFO] testing unicorn_hat_hd-0.2.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate unicorn_hat_hd 0.2.1 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate unicorn_hat_hd 0.2.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unicorn_hat_hd 0.2.1
[INFO] finished tweaking crates.io crate unicorn_hat_hd 0.2.1
[INFO] tweaked toml for crates.io crate unicorn_hat_hd 0.2.1 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ansi_term v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4d5ff153a59b66c69818b2398ba8df5e61302bebaff41e6da27f92daa97b19b
[INFO] running `Command { std: "docker" "start" "-a" "e4d5ff153a59b66c69818b2398ba8df5e61302bebaff41e6da27f92daa97b19b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4d5ff153a59b66c69818b2398ba8df5e61302bebaff41e6da27f92daa97b19b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4d5ff153a59b66c69818b2398ba8df5e61302bebaff41e6da27f92daa97b19b", kill_on_drop: false }`
[INFO] [stdout] e4d5ff153a59b66c69818b2398ba8df5e61302bebaff41e6da27f92daa97b19b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64933901d3d94a11c7e5f5728358c5eda7fbf083a61eed29c9f950731420cc33
[INFO] running `Command { std: "docker" "start" "-a" "64933901d3d94a11c7e5f5728358c5eda7fbf083a61eed29c9f950731420cc33", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling rgb v0.8.27
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling spidev v0.3.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling unicorn_hat_hd v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         try!(spidev.configure(&options));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let mut spidev = try!(Spidev::open(spi_path));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'array_methods'
[INFO] [stdout]    --> src/lib.rs:165:64
[INFO] [stdout]     |
[INFO] [stdout] 165 |             Rotate::RotNone => arr.extend_from_slice(self.leds.as_slice()),
[INFO] [stdout]     |                                                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #76118 <https://github.com/rust-lang/rust/issues/76118> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:165:54
[INFO] [stdout]     |
[INFO] [stdout] 165 |             Rotate::RotNone => arr.extend_from_slice(self.leds.as_slice()),
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^ expected `u8`, found struct `RGB`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[u8]`
[INFO] [stdout]                found reference `&[RGB<u8>]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unicorn_hat_hd` due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "64933901d3d94a11c7e5f5728358c5eda7fbf083a61eed29c9f950731420cc33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64933901d3d94a11c7e5f5728358c5eda7fbf083a61eed29c9f950731420cc33", kill_on_drop: false }`
[INFO] [stdout] 64933901d3d94a11c7e5f5728358c5eda7fbf083a61eed29c9f950731420cc33
