Dec 02 17:04:38.456 INFO testing shadiertoy-0.1.0 against 1.30.1 for beta-1.31-5
Dec 02 17:04:38.456 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/1.30.1:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 17:04:38.816 INFO [stdout] dcd5a71a8e353838d5f8d686d084c671f5d97ed39c4134f5e6cafb8338d2ff7f
Dec 02 17:04:38.818 INFO running `"docker" "start" "-a" "dcd5a71a8e353838d5f8d686d084c671f5d97ed39c4134f5e6cafb8338d2ff7f"`
Dec 02 17:04:39.640 INFO [stderr] usermod: no changes
Dec 02 17:04:39.932 INFO [stderr]    Compiling crossbeam-epoch v0.3.1
Dec 02 17:04:39.936 INFO [stderr]    Compiling glutin v0.16.0
Dec 02 17:04:39.943 INFO [stderr]    Compiling parking_lot_core v0.2.14
Dec 02 17:04:39.945 INFO [stderr]    Compiling num-derive v0.2.3
Dec 02 17:04:39.946 INFO [stderr]    Compiling gfx_core v0.8.3
Dec 02 17:04:43.974 INFO [stderr]    Compiling parking_lot v0.5.5
Dec 02 17:04:46.443 INFO [stderr]    Compiling crossbeam-deque v0.2.0
Dec 02 17:04:51.531 INFO [stderr]    Compiling winit v0.15.1
Dec 02 17:04:52.324 INFO [stderr]    Compiling rayon-core v1.4.1
Dec 02 17:05:02.652 INFO [stderr]    Compiling rayon v1.0.3
Dec 02 17:05:23.847 INFO [stderr]    Compiling jpeg-decoder v0.1.15
Dec 02 17:05:35.927 INFO [stderr]    Compiling image v0.19.0
Dec 02 17:06:07.144 INFO [stderr]    Compiling gfx_device_gl v0.15.3
Dec 02 17:06:07.144 INFO [stderr]    Compiling gfx v0.17.1
Dec 02 17:06:15.995 INFO [stderr]    Compiling gfx_window_glutin v0.24.0
Dec 02 17:06:22.111 INFO [stderr]    Compiling shadiertoy v0.1.0 (/source)
Dec 02 17:06:26.996 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 17:06:26.996 INFO [stderr]  --> src/lib.rs:2:1
Dec 02 17:06:26.996 INFO [stderr]   |
Dec 02 17:06:26.996 INFO [stderr] 2 | #![feature(use_extern_macros)]
Dec 02 17:06:26.996 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 17:06:26.996 INFO [stderr] 
Dec 02 17:06:26.996 INFO [stderr] error: aborting due to previous error
Dec 02 17:06:26.996 INFO [stderr] 
Dec 02 17:06:26.996 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 17:06:27.023 INFO [stderr] error: Could not compile `shadiertoy`.
Dec 02 17:06:27.023 INFO [stderr] 
Dec 02 17:06:27.023 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 17:06:27.023 INFO [stderr] su: No module specific data is present
Dec 02 17:06:27.482 INFO running `"docker" "inspect" "dcd5a71a8e353838d5f8d686d084c671f5d97ed39c4134f5e6cafb8338d2ff7f"`
Dec 02 17:06:27.706 INFO running `"docker" "rm" "-f" "dcd5a71a8e353838d5f8d686d084c671f5d97ed39c4134f5e6cafb8338d2ff7f"`
Dec 02 17:06:28.011 INFO [stdout] dcd5a71a8e353838d5f8d686d084c671f5d97ed39c4134f5e6cafb8338d2ff7f