Dec 02 07:05:13.355 INFO testing Hevienz/thunder_test against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 07:05:13.355 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 07:05:13.612 INFO [stdout] 4355536da8dc2b919a6c89f29392789eb453ed282b9f8561df4adb9af1f59d57
Dec 02 07:05:13.616 INFO running `"docker" "start" "-a" "4355536da8dc2b919a6c89f29392789eb453ed282b9f8561df4adb9af1f59d57"`
Dec 02 07:05:14.315 INFO [stderr] usermod: no changes
Dec 02 07:05:14.399 INFO [stderr]    Compiling syn v0.12.15
Dec 02 07:05:36.895 INFO [stderr]    Compiling thunder v0.3.1
Dec 02 07:05:39.396 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 07:05:39.396 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/thunder-0.3.1/src/lib.rs:2:1
Dec 02 07:05:39.396 INFO [stderr]   |
Dec 02 07:05:39.396 INFO [stderr] 2 | #![feature(external_doc)]
Dec 02 07:05:39.396 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:05:39.396 INFO [stderr] 
Dec 02 07:05:39.396 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 07:05:39.396 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/thunder-0.3.1/src/lib.rs:4:1
Dec 02 07:05:39.396 INFO [stderr]   |
Dec 02 07:05:39.396 INFO [stderr] 4 | #![feature(proc_macro, proc_macro_lib)]
Dec 02 07:05:39.396 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:05:39.396 INFO [stderr] 
Dec 02 07:05:39.398 INFO [stderr] error: aborting due to 2 previous errors
Dec 02 07:05:39.398 INFO [stderr] 
Dec 02 07:05:39.398 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 07:05:39.408 INFO [stderr] error: Could not compile `thunder`.
Dec 02 07:05:39.408 INFO [stderr] 
Dec 02 07:05:39.408 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 07:05:39.409 INFO [stderr] su: No module specific data is present
Dec 02 07:05:39.761 INFO running `"docker" "inspect" "4355536da8dc2b919a6c89f29392789eb453ed282b9f8561df4adb9af1f59d57"`
Dec 02 07:05:39.828 INFO running `"docker" "rm" "-f" "4355536da8dc2b919a6c89f29392789eb453ed282b9f8561df4adb9af1f59d57"`
Dec 02 07:05:39.942 INFO [stdout] 4355536da8dc2b919a6c89f29392789eb453ed282b9f8561df4adb9af1f59d57