Dec 02 11:23:45.964 INFO testing wasm-rpc-macros-0.2.6 against 1.30.1 for beta-1.31-5
Dec 02 11:23:45.964 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 11:23:46.281 INFO [stdout] bc7c559aacc070874f80c3a253aef3f50ed6606271dfa12ce08472c65f30c83c
Dec 02 11:23:46.283 INFO running `"docker" "start" "-a" "bc7c559aacc070874f80c3a253aef3f50ed6606271dfa12ce08472c65f30c83c"`
Dec 02 11:23:46.860 INFO [stderr] usermod: no changes
Dec 02 11:23:46.961 INFO [stderr]    Compiling syn v0.14.9
Dec 02 11:23:58.103 INFO [stderr]    Compiling wasm-rpc-macros v0.2.6 (/source)
Dec 02 11:24:01.194 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 11:24:01.194 INFO [stderr]  --> src/lib.rs:1:1
Dec 02 11:24:01.194 INFO [stderr]   |
Dec 02 11:24:01.194 INFO [stderr] 1 | / #![feature(
Dec 02 11:24:01.194 INFO [stderr] 2 | |     type_ascription,
Dec 02 11:24:01.194 INFO [stderr] 3 | |     box_patterns,
Dec 02 11:24:01.194 INFO [stderr] 4 | |     proc_macro_quote,
Dec 02 11:24:01.194 INFO [stderr] 5 | |     rustc_private,
Dec 02 11:24:01.194 INFO [stderr] 6 | | )]
Dec 02 11:24:01.194 INFO [stderr]   | |__^
Dec 02 11:24:01.194 INFO [stderr] 
Dec 02 11:24:01.194 INFO [stderr] error: aborting due to previous error
Dec 02 11:24:01.194 INFO [stderr] 
Dec 02 11:24:01.194 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 11:24:01.196 INFO [stderr] error: Could not compile `wasm-rpc-macros`.
Dec 02 11:24:01.196 INFO [stderr] 
Dec 02 11:24:01.196 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 11:24:01.197 INFO [stderr] su: No module specific data is present
Dec 02 11:24:01.857 INFO running `"docker" "inspect" "bc7c559aacc070874f80c3a253aef3f50ed6606271dfa12ce08472c65f30c83c"`
Dec 02 11:24:02.107 INFO running `"docker" "rm" "-f" "bc7c559aacc070874f80c3a253aef3f50ed6606271dfa12ce08472c65f30c83c"`
Dec 02 11:24:02.322 INFO [stdout] bc7c559aacc070874f80c3a253aef3f50ed6606271dfa12ce08472c65f30c83c