Dec 03 16:04:59.496 INFO testing circle_boundary-0.1.16 against 1.30.1 for beta-1.31-5
Dec 03 16:04:59.496 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 16:04:59.963 INFO [stdout] 9475019fc92a5916818e63e69c66ef6e69ae084115dbb84416d466f250e6e645
Dec 03 16:04:59.965 INFO running `"docker" "start" "-a" "9475019fc92a5916818e63e69c66ef6e69ae084115dbb84416d466f250e6e645"`
Dec 03 16:05:01.059 INFO [stderr] usermod: no changes
Dec 03 16:05:01.179 INFO [stderr]    Compiling wasm-bindgen v0.2.28
Dec 03 16:05:04.955 INFO [stderr]    Compiling circle_boundary v0.1.16 (/source)
Dec 03 16:05:06.678 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 16:05:06.678 INFO [stderr]  --> src/lib.rs:1:1
Dec 03 16:05:06.678 INFO [stderr]   |
Dec 03 16:05:06.678 INFO [stderr] 1 | #![feature(use_extern_macros)]
Dec 03 16:05:06.678 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 16:05:06.678 INFO [stderr] 
Dec 03 16:05:06.678 INFO [stderr] error: aborting due to previous error
Dec 03 16:05:06.678 INFO [stderr] 
Dec 03 16:05:06.678 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 16:05:06.685 INFO [stderr] error: Could not compile `circle_boundary`.
Dec 03 16:05:06.685 INFO [stderr] 
Dec 03 16:05:06.685 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 16:05:06.686 INFO [stderr] su: No module specific data is present
Dec 03 16:05:07.456 INFO running `"docker" "inspect" "9475019fc92a5916818e63e69c66ef6e69ae084115dbb84416d466f250e6e645"`
Dec 03 16:05:07.797 INFO running `"docker" "rm" "-f" "9475019fc92a5916818e63e69c66ef6e69ae084115dbb84416d466f250e6e645"`
Dec 03 16:05:08.250 INFO [stdout] 9475019fc92a5916818e63e69c66ef6e69ae084115dbb84416d466f250e6e645
