[INFO] fetching crate playdate-sys 0.5.6...
[INFO] testing playdate-sys-0.5.6 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate playdate-sys 0.5.6 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate playdate-sys 0.5.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate playdate-sys 0.5.6
[INFO] tweaked toml for crates.io crate playdate-sys 0.5.6 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate playdate-sys 0.5.6 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate playdate-sys 0.5.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded playdate-bindgen-cfg v0.3.2
[INFO] [stderr]   Downloaded errno v0.3.11
[INFO] [stderr]   Downloaded playdate-bindgen v0.4.0
[INFO] [stderr]   Downloaded which v7.0.2
[INFO] [stderr]   Downloaded siphasher v1.0.1
[INFO] [stderr]   Downloaded string_cache_codegen v0.5.4
[INFO] [stderr]   Downloaded playdate-build-utils v0.3.11
[INFO] [stderr]   Downloaded windows-strings v0.4.0
[INFO] [stderr]   Downloaded futf v0.1.5
[INFO] [stderr]   Downloaded env_home v0.1.0
[INFO] [stderr]   Downloaded windows-registry v0.5.1
[INFO] [stderr]   Downloaded windows-result v0.3.2
[INFO] [stderr]   Downloaded markup5ever_rcdom v0.3.0
[INFO] [stderr]   Downloaded mac v0.1.1
[INFO] [stderr]   Downloaded html2md-rs v0.10.2
[INFO] [stderr]   Downloaded convert_case v0.8.0
[INFO] [stderr]   Downloaded xml5ever v0.18.1
[INFO] [stderr]   Downloaded tendril v0.4.3
[INFO] [stderr]   Downloaded smallvec v1.14.0
[INFO] [stderr]   Downloaded redox_syscall v0.5.10
[INFO] [stderr]   Downloaded markup5ever v0.12.1
[INFO] [stderr]   Downloaded html5ever v0.27.0
[INFO] [stderr]   Downloaded prettyplease v0.2.32
[INFO] [stderr]   Downloaded winsafe v0.0.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9ecc6ea9c49fb3dea64cf0e1b2ffa8661e136ce3c0b2c54c0684168335bd7c80
[INFO] running `Command { std: "docker" "start" "9ecc6ea9c49fb3dea64cf0e1b2ffa8661e136ce3c0b2c54c0684168335bd7c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ecc6ea9c49fb3dea64cf0e1b2ffa8661e136ce3c0b2c54c0684168335bd7c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9ecc6ea9c49fb3dea64cf0e1b2ffa8661e136ce3c0b2c54c0684168335bd7c80" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ecc6ea9c49fb3dea64cf0e1b2ffa8661e136ce3c0b2c54c0684168335bd7c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9ecc6ea9c49fb3dea64cf0e1b2ffa8661e136ce3c0b2c54c0684168335bd7c80" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling playdate-bindgen-cfg v0.3.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/playdate-bindgen-cfg-0.3.2/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_split_once)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `playdate-bindgen-cfg` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "9ecc6ea9c49fb3dea64cf0e1b2ffa8661e136ce3c0b2c54c0684168335bd7c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ecc6ea9c49fb3dea64cf0e1b2ffa8661e136ce3c0b2c54c0684168335bd7c80", kill_on_drop: false }`
[INFO] [stdout] 9ecc6ea9c49fb3dea64cf0e1b2ffa8661e136ce3c0b2c54c0684168335bd7c80
