Dec 03 14:15:13.204 INFO testing devise_core-0.1.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 14:15:13.204 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 14:15:13.601 INFO [stdout] 1935714636a5a00d004472a5417bcb4b113aef4d015acc1eb3efceb33445a41e
Dec 03 14:15:13.607 INFO running `"docker" "start" "-a" "1935714636a5a00d004472a5417bcb4b113aef4d015acc1eb3efceb33445a41e"`
Dec 03 14:15:15.014 INFO [stderr] usermod: no changes
Dec 03 14:15:15.091 INFO [stderr]    Compiling syn v0.15.22
Dec 03 14:15:32.739 INFO [stderr]    Compiling devise_core v0.1.0 (/source)
Dec 03 14:15:36.423 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 14:15:36.423 INFO [stderr]  --> src/lib.rs:1:1
Dec 03 14:15:36.424 INFO [stderr]   |
Dec 03 14:15:36.424 INFO [stderr] 1 | #![feature(proc_macro_diagnostic, proc_macro_span)]
Dec 03 14:15:36.424 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 14:15:36.425 INFO [stderr] 
Dec 03 14:15:36.425 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 14:15:36.425 INFO [stderr]  --> src/lib.rs:2:1
Dec 03 14:15:36.426 INFO [stderr]   |
Dec 03 14:15:36.426 INFO [stderr] 2 | #![feature(crate_visibility_modifier)]
Dec 03 14:15:36.426 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 14:15:36.426 INFO [stderr] 
Dec 03 14:15:36.427 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 14:15:36.427 INFO [stderr]  --> src/lib.rs:3:1
Dec 03 14:15:36.427 INFO [stderr]   |
Dec 03 14:15:36.428 INFO [stderr] 3 | #![feature(concat_idents)]
Dec 03 14:15:36.428 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 14:15:36.428 INFO [stderr] 
Dec 03 14:15:36.433 INFO [stderr] error: aborting due to 3 previous errors
Dec 03 14:15:36.433 INFO [stderr] 
Dec 03 14:15:36.433 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 14:15:36.444 INFO [stderr] error: Could not compile `devise_core`.
Dec 03 14:15:36.444 INFO [stderr] 
Dec 03 14:15:36.444 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 14:15:36.446 INFO [stderr] su: No module specific data is present
Dec 03 14:15:37.387 INFO running `"docker" "inspect" "1935714636a5a00d004472a5417bcb4b113aef4d015acc1eb3efceb33445a41e"`
Dec 03 14:15:37.765 INFO running `"docker" "rm" "-f" "1935714636a5a00d004472a5417bcb4b113aef4d015acc1eb3efceb33445a41e"`
Dec 03 14:15:38.075 INFO [stdout] 1935714636a5a00d004472a5417bcb4b113aef4d015acc1eb3efceb33445a41e
