[INFO] fetching crate rust_graphics_window 0.1.2...
[INFO] testing rust_graphics_window-0.1.2 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate rust_graphics_window 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate rust_graphics_window 0.1.2 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_graphics_window 0.1.2
[INFO] finished tweaking crates.io crate rust_graphics_window 0.1.2
[INFO] tweaked toml for crates.io crate rust_graphics_window 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate rust_graphics_window 0.1.2 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust_graphics_log v0.1.0
[INFO] [stderr]   Downloaded rust_graphics_library_loader v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b642dbdc66174b4c1109cd2943cdcb262bb0087df9c0e21336777151ce3dceb
[INFO] running `Command { std: "docker" "start" "-a" "7b642dbdc66174b4c1109cd2943cdcb262bb0087df9c0e21336777151ce3dceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b642dbdc66174b4c1109cd2943cdcb262bb0087df9c0e21336777151ce3dceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b642dbdc66174b4c1109cd2943cdcb262bb0087df9c0e21336777151ce3dceb", kill_on_drop: false }`
[INFO] [stdout] 7b642dbdc66174b4c1109cd2943cdcb262bb0087df9c0e21336777151ce3dceb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d92c17429235583757c44dfc7ee6656d7cd709c20508f8eca63664bd13178791
[INFO] running `Command { std: "docker" "start" "-a" "d92c17429235583757c44dfc7ee6656d7cd709c20508f8eca63664bd13178791", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling rust_graphics_log v0.1.0
[INFO] [stderr]    Compiling rust_graphics_library_loader v0.1.3
[INFO] [stderr]    Compiling rust_graphics_window v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_graphics_window` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d92c17429235583757c44dfc7ee6656d7cd709c20508f8eca63664bd13178791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d92c17429235583757c44dfc7ee6656d7cd709c20508f8eca63664bd13178791", kill_on_drop: false }`
[INFO] [stdout] d92c17429235583757c44dfc7ee6656d7cd709c20508f8eca63664bd13178791
