[INFO] fetching crate unicorn_hat_hd 0.2.1...
[INFO] testing unicorn_hat_hd-0.2.1 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate unicorn_hat_hd 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate unicorn_hat_hd 0.2.1 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rgb v0.8.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 139c46808dc45becf230cc7a06cfc58f2fee5759daae22d381eb0b1cd14e2dcb
[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" "139c46808dc45becf230cc7a06cfc58f2fee5759daae22d381eb0b1cd14e2dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "139c46808dc45becf230cc7a06cfc58f2fee5759daae22d381eb0b1cd14e2dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "139c46808dc45becf230cc7a06cfc58f2fee5759daae22d381eb0b1cd14e2dcb", kill_on_drop: false }`
[INFO] [stdout] 139c46808dc45becf230cc7a06cfc58f2fee5759daae22d381eb0b1cd14e2dcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bc99c0b8ab450d933bf70b9c0d44c5cdf2a13b1a060aec9dac76c9c8c55e3d3
[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" "9bc99c0b8ab450d933bf70b9c0d44c5cdf2a13b1a060aec9dac76c9c8c55e3d3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling bytemuck v1.4.1
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling rgb v0.8.25
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling spidev v0.3.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[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:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let mut spidev = try!(Spidev::open(spi_path));
[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:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         try!(spidev.configure(&options));
[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]     = help: add `#![feature(array_methods)]` to the crate attributes to enable
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9bc99c0b8ab450d933bf70b9c0d44c5cdf2a13b1a060aec9dac76c9c8c55e3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bc99c0b8ab450d933bf70b9c0d44c5cdf2a13b1a060aec9dac76c9c8c55e3d3", kill_on_drop: false }`
[INFO] [stdout] 9bc99c0b8ab450d933bf70b9c0d44c5cdf2a13b1a060aec9dac76c9c8c55e3d3