Dec 02 20:43:32.440 INFO testing redox_termios-0.1.1 against 1.30.1 for beta-1.31-5
Dec 02 20:43:32.440 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 20:43:32.783 INFO [stdout] 09bfd2b837a07b21ae4361370208d426c4f58e014b16f62eb35dbc52ef259f06
Dec 02 20:43:32.791 INFO running `"docker" "start" "-a" "09bfd2b837a07b21ae4361370208d426c4f58e014b16f62eb35dbc52ef259f06"`
Dec 02 20:43:33.788 INFO [stderr] usermod: no changes
Dec 02 20:43:33.827 INFO [stderr]    Compiling redox_syscall v0.1.43
Dec 02 20:43:33.936 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 20:43:33.936 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/redox_syscall-0.1.43/src/lib.rs:2:1
Dec 02 20:43:33.936 INFO [stderr]   |
Dec 02 20:43:33.936 INFO [stderr] 2 | #![feature(asm)]
Dec 02 20:43:33.936 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 02 20:43:33.936 INFO [stderr] 
Dec 02 20:43:33.936 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 20:43:33.936 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/redox_syscall-0.1.43/src/lib.rs:3:1
Dec 02 20:43:33.936 INFO [stderr]   |
Dec 02 20:43:33.936 INFO [stderr] 3 | #![feature(const_fn)]
Dec 02 20:43:33.936 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 02 20:43:33.936 INFO [stderr] 
Dec 02 20:43:33.936 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 20:43:33.936 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/redox_syscall-0.1.43/src/lib.rs:4:1
Dec 02 20:43:33.936 INFO [stderr]   |
Dec 02 20:43:33.936 INFO [stderr] 4 | #![feature(transpose_result)]
Dec 02 20:43:33.936 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 20:43:33.936 INFO [stderr] 
Dec 02 20:43:33.938 INFO [stderr] error: aborting due to 3 previous errors
Dec 02 20:43:33.938 INFO [stderr] 
Dec 02 20:43:33.947 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 20:43:33.947 INFO [stderr] error: Could not compile `redox_syscall`.
Dec 02 20:43:33.947 INFO [stderr] 
Dec 02 20:43:33.947 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 20:43:33.947 INFO [stderr] su: No module specific data is present
Dec 02 20:43:34.291 INFO running `"docker" "inspect" "09bfd2b837a07b21ae4361370208d426c4f58e014b16f62eb35dbc52ef259f06"`
Dec 02 20:43:34.535 INFO running `"docker" "rm" "-f" "09bfd2b837a07b21ae4361370208d426c4f58e014b16f62eb35dbc52ef259f06"`
Dec 02 20:43:34.801 INFO [stdout] 09bfd2b837a07b21ae4361370208d426c4f58e014b16f62eb35dbc52ef259f06