[INFO] fetching crate pebble-sys 0.0.1...
[INFO] testing pebble-sys-0.0.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate pebble-sys 0.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate pebble-sys 0.0.1
[INFO] finished tweaking crates.io crate pebble-sys 0.0.1
[INFO] tweaked toml for crates.io crate pebble-sys 0.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pebble-sys 0.0.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83ad4da5256a97df62351fdf0abfa44ccac4dd2d89511188151beaab02aa026e
[INFO] running `Command { std: "docker" "start" "-a" "83ad4da5256a97df62351fdf0abfa44ccac4dd2d89511188151beaab02aa026e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83ad4da5256a97df62351fdf0abfa44ccac4dd2d89511188151beaab02aa026e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ad4da5256a97df62351fdf0abfa44ccac4dd2d89511188151beaab02aa026e", kill_on_drop: false }`
[INFO] [stdout] 83ad4da5256a97df62351fdf0abfa44ccac4dd2d89511188151beaab02aa026e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3373a8f4f0f2c5c09141243ea1405db3d5aad9cf341139b5bf577bad46b40a2
[INFO] running `Command { std: "docker" "start" "-a" "a3373a8f4f0f2c5c09141243ea1405db3d5aad9cf341139b5bf577bad46b40a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling pebble-sys v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(extern_types)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `window::Window` cannot be known
[INFO] [stdout]    --> src/lib.rs:360:19
[INFO] [stdout]     |
[INFO] [stdout] 360 |                 type Target = Window;
[INFO] [stdout]     |                               ^^^^^^ doesn't have a known size
[INFO] [stdout]     |
[INFO] [stdout]     = help: the nightly-only, unstable trait `MetaSized` is not implemented for `window::Window`
[INFO] [stdout] note: required by a bound in `core::ops::Deref::Target`
[INFO] [stdout]    --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/deref.rs:144:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pebble-sys` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a3373a8f4f0f2c5c09141243ea1405db3d5aad9cf341139b5bf577bad46b40a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3373a8f4f0f2c5c09141243ea1405db3d5aad9cf341139b5bf577bad46b40a2", kill_on_drop: false }`
[INFO] [stdout] a3373a8f4f0f2c5c09141243ea1405db3d5aad9cf341139b5bf577bad46b40a2
