Dec 01 08:15:24.603 INFO testing museun/md2 against 1.30.1 for beta-1.31-5
Dec 01 08:15:24.605 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/1.30.1:/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 +1.30.1 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 01 08:15:25.139 INFO [stdout] 59e623ebcd0e1c6fb09d553ff7e351f1c35d3ef4404718eb79fe7ced2b4c7fc2
Dec 01 08:15:25.145 INFO running `"docker" "start" "-a" "59e623ebcd0e1c6fb09d553ff7e351f1c35d3ef4404718eb79fe7ced2b4c7fc2"`
Dec 01 08:15:26.405 INFO [stderr] usermod: no changes
Dec 01 08:15:26.565 INFO [stderr]    Compiling nom v4.0.0
Dec 01 08:15:26.571 INFO [stderr]    Compiling regex v1.0.2
Dec 01 08:15:39.643 INFO [stderr]    Compiling env_logger v0.5.12
Dec 01 08:15:41.463 INFO [stderr]    Compiling md2 v0.1.0 (/source)
Dec 01 08:15:42.182 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 08:15:42.182 INFO [stderr]  --> src/lib.rs:1:1
Dec 01 08:15:42.182 INFO [stderr]   |
Dec 01 08:15:42.182 INFO [stderr] 1 | #![feature(tool_attributes)]
Dec 01 08:15:42.182 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 08:15:42.182 INFO [stderr] 
Dec 01 08:15:42.182 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 08:15:42.182 INFO [stderr]  --> src/lib.rs:2:1
Dec 01 08:15:42.182 INFO [stderr]   |
Dec 01 08:15:42.182 INFO [stderr] 2 | #![feature(concat_idents)]
Dec 01 08:15:42.182 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 08:15:42.183 INFO [stderr] 
Dec 01 08:15:42.183 INFO [stderr] error: aborting due to 2 previous errors
Dec 01 08:15:42.183 INFO [stderr] 
Dec 01 08:15:42.183 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 08:15:42.189 INFO [stderr] error: Could not compile `md2`.
Dec 01 08:15:42.189 INFO [stderr] 
Dec 01 08:15:42.189 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 08:15:42.191 INFO [stderr] su: No module specific data is present
Dec 01 08:15:42.940 INFO running `"docker" "inspect" "59e623ebcd0e1c6fb09d553ff7e351f1c35d3ef4404718eb79fe7ced2b4c7fc2"`
Dec 01 08:15:43.251 INFO running `"docker" "rm" "-f" "59e623ebcd0e1c6fb09d553ff7e351f1c35d3ef4404718eb79fe7ced2b4c7fc2"`
Dec 01 08:15:43.571 INFO [stdout] 59e623ebcd0e1c6fb09d553ff7e351f1c35d3ef4404718eb79fe7ced2b4c7fc2
