Dec 02 20:43:33.204 INFO testing redox_syscall-0.1.42 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 20:43:33.204 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 20:43:33.650 INFO [stdout] cf5e23d0d939eeefab4975c1d98eefa68ee743658683f431ea12eaed58ed092c
Dec 02 20:43:33.652 INFO running `"docker" "start" "-a" "cf5e23d0d939eeefab4975c1d98eefa68ee743658683f431ea12eaed58ed092c"`
Dec 02 20:43:34.501 INFO [stderr] usermod: no changes
Dec 02 20:43:34.554 INFO [stderr]    Compiling redox_syscall v0.1.42 (/source)
Dec 02 20:43:34.695 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 20:43:34.695 INFO [stderr]  --> src/lib.rs:2:1
Dec 02 20:43:34.695 INFO [stderr]   |
Dec 02 20:43:34.695 INFO [stderr] 2 | #![feature(asm)]
Dec 02 20:43:34.695 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 02 20:43:34.695 INFO [stderr] 
Dec 02 20:43:34.695 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 20:43:34.695 INFO [stderr]  --> src/lib.rs:3:1
Dec 02 20:43:34.695 INFO [stderr]   |
Dec 02 20:43:34.695 INFO [stderr] 3 | #![feature(const_fn)]
Dec 02 20:43:34.695 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 02 20:43:34.695 INFO [stderr] 
Dec 02 20:43:34.695 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 20:43:34.695 INFO [stderr]  --> src/lib.rs:4:1
Dec 02 20:43:34.695 INFO [stderr]   |
Dec 02 20:43:34.695 INFO [stderr] 4 | #![feature(transpose_result)]
Dec 02 20:43:34.695 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 20:43:34.695 INFO [stderr] 
Dec 02 20:43:34.695 INFO [stderr] error: aborting due to 3 previous errors
Dec 02 20:43:34.695 INFO [stderr] 
Dec 02 20:43:34.695 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 20:43:34.711 INFO [stderr] error: Could not compile `redox_syscall`.
Dec 02 20:43:34.711 INFO [stderr] 
Dec 02 20:43:34.711 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 20:43:34.711 INFO [stderr] su: No module specific data is present
Dec 02 20:43:35.211 INFO running `"docker" "inspect" "cf5e23d0d939eeefab4975c1d98eefa68ee743658683f431ea12eaed58ed092c"`
Dec 02 20:43:35.500 INFO running `"docker" "rm" "-f" "cf5e23d0d939eeefab4975c1d98eefa68ee743658683f431ea12eaed58ed092c"`
Dec 02 20:43:35.821 INFO [stdout] cf5e23d0d939eeefab4975c1d98eefa68ee743658683f431ea12eaed58ed092c