Dec 03 12:52:12.817 INFO testing epics-sys-0.0.5 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 12:52:12.817 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 03 12:52:13.175 INFO [stdout] 4c46fe8462d1975c35ba630ca09b007e89317ceb710231027d94abf5a2b70279
Dec 03 12:52:13.177 INFO running `"docker" "start" "-a" "4c46fe8462d1975c35ba630ca09b007e89317ceb710231027d94abf5a2b70279"`
Dec 03 12:52:13.804 INFO [stderr] usermod: no changes
Dec 03 12:52:13.851 INFO [stderr]    Compiling epics-sys v0.0.5 (/source)
Dec 03 12:52:17.127 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 12:52:17.127 INFO [stderr]  --> src/lib.rs:1:1
Dec 03 12:52:17.127 INFO [stderr]   |
Dec 03 12:52:17.127 INFO [stderr] 1 | #![feature(extern_crate_item_prelude)]
Dec 03 12:52:17.127 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 12:52:17.127 INFO [stderr] 
Dec 03 12:52:17.127 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 12:52:17.127 INFO [stderr]  --> src/lib.rs:2:1
Dec 03 12:52:17.127 INFO [stderr]   |
Dec 03 12:52:17.127 INFO [stderr] 2 | #![feature(concat_idents)]
Dec 03 12:52:17.127 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 12:52:17.127 INFO [stderr] 
Dec 03 12:52:17.135 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 12:52:17.135 INFO [stderr] 
Dec 03 12:52:17.135 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 12:52:17.137 INFO [stderr] error: Could not compile `epics-sys`.
Dec 03 12:52:17.137 INFO [stderr] 
Dec 03 12:52:17.137 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 12:52:17.139 INFO [stderr] su: No module specific data is present
Dec 03 12:52:17.465 INFO running `"docker" "inspect" "4c46fe8462d1975c35ba630ca09b007e89317ceb710231027d94abf5a2b70279"`
Dec 03 12:52:17.568 INFO running `"docker" "rm" "-f" "4c46fe8462d1975c35ba630ca09b007e89317ceb710231027d94abf5a2b70279"`
Dec 03 12:52:17.683 INFO [stdout] 4c46fe8462d1975c35ba630ca09b007e89317ceb710231027d94abf5a2b70279