Dec 03 16:03:53.492 INFO testing cities_heightfield_from_gsi-1.1.0 against 1.30.1 for beta-1.31-5
Dec 03 16:03:53.493 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 03 16:03:54.040 INFO [stdout] ee97c6a3bfd816dc5c4e0716b6c41cc02c919fceeea7bbcc5cf3d3cf8a9ef383
Dec 03 16:03:54.043 INFO running `"docker" "start" "-a" "ee97c6a3bfd816dc5c4e0716b6c41cc02c919fceeea7bbcc5cf3d3cf8a9ef383"`
Dec 03 16:03:56.161 INFO [stderr] usermod: no changes
Dec 03 16:03:56.623 INFO [stderr]    Compiling resize v0.3.0
Dec 03 16:03:56.631 INFO [stderr]    Compiling rayon-core v1.4.1
Dec 03 16:04:00.727 INFO [stderr]    Compiling rayon v1.0.3
Dec 03 16:04:06.367 INFO [stderr]    Compiling jpeg-decoder v0.1.15
Dec 03 16:04:10.845 INFO [stderr]    Compiling image v0.19.0
Dec 03 16:04:26.903 INFO [stderr]    Compiling cities_heightfield_from_gsi v1.1.0 (/source)
Dec 03 16:04:40.099 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 16:04:40.099 INFO [stderr]  --> src/lib.rs:1:1
Dec 03 16:04:40.099 INFO [stderr]   |
Dec 03 16:04:40.099 INFO [stderr] 1 | #![feature(extern_prelude)]
Dec 03 16:04:40.099 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 16:04:40.099 INFO [stderr] 
Dec 03 16:04:40.099 INFO [stderr] error: aborting due to previous error
Dec 03 16:04:40.099 INFO [stderr] 
Dec 03 16:04:40.099 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 16:04:40.112 INFO [stderr] error: Could not compile `cities_heightfield_from_gsi`.
Dec 03 16:04:40.112 INFO [stderr] 
Dec 03 16:04:40.112 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 16:04:40.112 INFO [stderr] su: No module specific data is present
Dec 03 16:04:41.108 INFO running `"docker" "inspect" "ee97c6a3bfd816dc5c4e0716b6c41cc02c919fceeea7bbcc5cf3d3cf8a9ef383"`
Dec 03 16:04:41.459 INFO running `"docker" "rm" "-f" "ee97c6a3bfd816dc5c4e0716b6c41cc02c919fceeea7bbcc5cf3d3cf8a9ef383"`
Dec 03 16:04:41.776 INFO [stdout] ee97c6a3bfd816dc5c4e0716b6c41cc02c919fceeea7bbcc5cf3d3cf8a9ef383