Dec 03 13:27:59.544 INFO testing e2r-0.9.2 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 13:27:59.544 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 13:28:00.040 INFO [stdout] 0591cb01e9543365848ac3c6be26a48a4c385e751b75bbaa1ad2177da26171da
Dec 03 13:28:00.042 INFO running `"docker" "start" "-a" "0591cb01e9543365848ac3c6be26a48a4c385e751b75bbaa1ad2177da26171da"`
Dec 03 13:28:01.337 INFO [stderr] usermod: no changes
Dec 03 13:28:01.720 INFO [stderr]    Compiling mazth v0.2.1
Dec 03 13:28:01.720 INFO [stderr]    Compiling zpatial v0.0.0
Dec 03 13:28:01.739 INFO [stderr]    Compiling image v0.17.0
Dec 03 13:28:21.887 INFO [stderr]    Compiling e2r v0.9.2 (/source)
Dec 03 13:28:28.647 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 13:28:28.647 INFO [stderr]  --> core/core.rs:1:1
Dec 03 13:28:28.647 INFO [stderr]   |
Dec 03 13:28:28.647 INFO [stderr] 1 | #![feature(type_ascription)]
Dec 03 13:28:28.647 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 13:28:28.647 INFO [stderr] 
Dec 03 13:28:28.647 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 13:28:28.647 INFO [stderr]  --> core/core.rs:2:1
Dec 03 13:28:28.647 INFO [stderr]   |
Dec 03 13:28:28.647 INFO [stderr] 2 | #![feature(associated_type_defaults)]
Dec 03 13:28:28.647 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 13:28:28.647 INFO [stderr] 
Dec 03 13:28:28.663 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 13:28:28.663 INFO [stderr] 
Dec 03 13:28:28.663 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 13:28:28.689 INFO [stderr] error: Could not compile `e2r`.
Dec 03 13:28:28.689 INFO [stderr] 
Dec 03 13:28:28.689 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 13:28:28.708 INFO [stderr] su: No module specific data is present
Dec 03 13:28:29.093 INFO running `"docker" "inspect" "0591cb01e9543365848ac3c6be26a48a4c385e751b75bbaa1ad2177da26171da"`
Dec 03 13:28:29.244 INFO running `"docker" "rm" "-f" "0591cb01e9543365848ac3c6be26a48a4c385e751b75bbaa1ad2177da26171da"`
Dec 03 13:28:29.375 INFO [stdout] 0591cb01e9543365848ac3c6be26a48a4c385e751b75bbaa1ad2177da26171da