[INFO] cloning repository https://github.com/Askannz/unicorn-board
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Askannz/unicorn-board" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAskannz%2Funicorn-board", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAskannz%2Funicorn-board'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f48ff0f38ce1c0bc90c0ae22d3bdaec2381ad74
[INFO] testing Askannz/unicorn-board against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAskannz%2Funicorn-board" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Askannz/unicorn-board on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Askannz/unicorn-board
[INFO] finished tweaking git repo https://github.com/Askannz/unicorn-board
[INFO] tweaked toml for git repo https://github.com/Askannz/unicorn-board written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Askannz/unicorn-board already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c9a45ff5ce6e4215e34b9dee4d298c13ea869d7a4485aabab486fedf28d23bf
[INFO] running `Command { std: "docker" "start" "-a" "0c9a45ff5ce6e4215e34b9dee4d298c13ea869d7a4485aabab486fedf28d23bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c9a45ff5ce6e4215e34b9dee4d298c13ea869d7a4485aabab486fedf28d23bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c9a45ff5ce6e4215e34b9dee4d298c13ea869d7a4485aabab486fedf28d23bf", kill_on_drop: false }`
[INFO] [stdout] 0c9a45ff5ce6e4215e34b9dee4d298c13ea869d7a4485aabab486fedf28d23bf
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 761b92bbe8e2cda9a81770ab5da9cb74c6a434a7309932c2b04e6320ca629034
[INFO] running `Command { std: "docker" "start" "-a" "761b92bbe8e2cda9a81770ab5da9cb74c6a434a7309932c2b04e6320ca629034", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling rgb v0.8.14
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]    Compiling num_cpus v1.11.0
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling spidev v0.3.0
[INFO] [stderr]    Compiling ctrlc v3.1.3
[INFO] [stderr]    Compiling jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling image v0.22.3
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling unicorn_hat_hd v0.2.1
[INFO] [stdout] error[E0658]: use of unstable library feature 'array_methods'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/unicorn_hat_hd-0.2.1/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]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/unicorn_hat_hd-0.2.1/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
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "761b92bbe8e2cda9a81770ab5da9cb74c6a434a7309932c2b04e6320ca629034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "761b92bbe8e2cda9a81770ab5da9cb74c6a434a7309932c2b04e6320ca629034", kill_on_drop: false }`
[INFO] [stdout] 761b92bbe8e2cda9a81770ab5da9cb74c6a434a7309932c2b04e6320ca629034
