Dec 02 14:50:50.028 INFO testing syscall-alt-0.0.14 against 1.30.1 for beta-1.31-5
Dec 02 14:50:50.028 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 02 14:50:50.218 INFO [stdout] 860511e1cb1e1bc2b3c897f664ebc839f9a57adba588ff114217f19f0fe067a5
Dec 02 14:50:50.221 INFO running `"docker" "start" "-a" "860511e1cb1e1bc2b3c897f664ebc839f9a57adba588ff114217f19f0fe067a5"`
Dec 02 14:50:50.600 INFO [stderr] usermod: no changes
Dec 02 14:50:50.625 INFO [stderr]    Compiling syscall-alt v0.0.14 (/source)
Dec 02 14:50:50.859 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 14:50:50.859 INFO [stderr]  --> src/lib.rs:7:1
Dec 02 14:50:50.859 INFO [stderr]   |
Dec 02 14:50:50.859 INFO [stderr] 7 | #![feature(asm)]
Dec 02 14:50:50.859 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 02 14:50:50.859 INFO [stderr] 
Dec 02 14:50:50.859 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 14:50:50.859 INFO [stderr]  --> src/lib.rs:8:1
Dec 02 14:50:50.859 INFO [stderr]   |
Dec 02 14:50:50.859 INFO [stderr] 8 | #![feature(associated_consts)]
Dec 02 14:50:50.859 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 14:50:50.859 INFO [stderr] 
Dec 02 14:50:50.859 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 14:50:50.859 INFO [stderr]  --> src/lib.rs:9:1
Dec 02 14:50:50.859 INFO [stderr]   |
Dec 02 14:50:50.859 INFO [stderr] 9 | #![feature(const_fn)]
Dec 02 14:50:50.859 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 02 14:50:50.859 INFO [stderr] 
Dec 02 14:50:50.870 INFO [stderr] error: aborting due to 3 previous errors
Dec 02 14:50:50.870 INFO [stderr] 
Dec 02 14:50:50.870 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 14:50:50.876 INFO [stderr] error: Could not compile `syscall-alt`.
Dec 02 14:50:50.876 INFO [stderr] 
Dec 02 14:50:50.876 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 14:50:50.877 INFO [stderr] su: No module specific data is present
Dec 02 14:50:51.168 INFO running `"docker" "inspect" "860511e1cb1e1bc2b3c897f664ebc839f9a57adba588ff114217f19f0fe067a5"`
Dec 02 14:50:51.242 INFO running `"docker" "rm" "-f" "860511e1cb1e1bc2b3c897f664ebc839f9a57adba588ff114217f19f0fe067a5"`
Dec 02 14:50:51.329 INFO [stdout] 860511e1cb1e1bc2b3c897f664ebc839f9a57adba588ff114217f19f0fe067a5