Dec 02 11:33:42.748 INFO testing w5500-0.1.5 against 1.30.1 for beta-1.31-5
Dec 02 11:33:42.748 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 02 11:33:43.138 INFO [stdout] e63eda92b57c381a7c1251aef03f5d7f8232f3291c8b3287ed83ef4a5020cbf1
Dec 02 11:33:43.140 INFO running `"docker" "start" "-a" "e63eda92b57c381a7c1251aef03f5d7f8232f3291c8b3287ed83ef4a5020cbf1"`
Dec 02 11:33:44.527 INFO [stderr] usermod: no changes
Dec 02 11:33:44.599 INFO [stderr]    Compiling byteorder v1.2.7
Dec 02 11:33:45.183 INFO [stderr]    Compiling w5500 v0.1.5 (/source)
Dec 02 11:33:45.397 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 11:33:45.397 INFO [stderr]  --> src/lib.rs:3:1
Dec 02 11:33:45.397 INFO [stderr]   |
Dec 02 11:33:45.397 INFO [stderr] 3 | #![feature(const_fn)]
Dec 02 11:33:45.397 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 02 11:33:45.397 INFO [stderr] 
Dec 02 11:33:45.397 INFO [stderr] error: aborting due to previous error
Dec 02 11:33:45.397 INFO [stderr] 
Dec 02 11:33:45.397 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 11:33:45.400 INFO [stderr] error: Could not compile `w5500`.
Dec 02 11:33:45.400 INFO [stderr] 
Dec 02 11:33:45.400 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 11:33:45.401 INFO [stderr] su: No module specific data is present
Dec 02 11:33:45.867 INFO running `"docker" "inspect" "e63eda92b57c381a7c1251aef03f5d7f8232f3291c8b3287ed83ef4a5020cbf1"`
Dec 02 11:33:46.109 INFO running `"docker" "rm" "-f" "e63eda92b57c381a7c1251aef03f5d7f8232f3291c8b3287ed83ef4a5020cbf1"`
Dec 02 11:33:46.339 INFO [stdout] e63eda92b57c381a7c1251aef03f5d7f8232f3291c8b3287ed83ef4a5020cbf1