Dec 02 14:13:04.308 INFO testing thin_cstr-0.1.0 against 1.30.1 for beta-1.31-5
Dec 02 14:13:04.308 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 02 14:13:04.496 INFO [stdout] c8f34ddae1e652ff02f8730fe0f7afa8dbb677befbcc53e0aedbd91df54e9e42
Dec 02 14:13:04.498 INFO running `"docker" "start" "-a" "c8f34ddae1e652ff02f8730fe0f7afa8dbb677befbcc53e0aedbd91df54e9e42"`
Dec 02 14:13:05.007 INFO [stderr] usermod: no changes
Dec 02 14:13:05.068 INFO [stderr]    Compiling thin_cstr v0.1.0 (/source)
Dec 02 14:13:05.631 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 14:13:05.631 INFO [stderr]  --> src/lib.rs:1:1
Dec 02 14:13:05.631 INFO [stderr]   |
Dec 02 14:13:05.631 INFO [stderr] 1 | #![feature(extern_types)]
Dec 02 14:13:05.639 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 14:13:05.639 INFO [stderr] 
Dec 02 14:13:05.639 INFO [stderr] error: aborting due to previous error
Dec 02 14:13:05.639 INFO [stderr] 
Dec 02 14:13:05.639 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 14:13:05.639 INFO [stderr] error: Could not compile `thin_cstr`.
Dec 02 14:13:05.639 INFO [stderr] 
Dec 02 14:13:05.639 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 14:13:05.639 INFO [stderr] su: No module specific data is present
Dec 02 14:13:06.463 INFO running `"docker" "inspect" "c8f34ddae1e652ff02f8730fe0f7afa8dbb677befbcc53e0aedbd91df54e9e42"`
Dec 02 14:13:06.721 INFO running `"docker" "rm" "-f" "c8f34ddae1e652ff02f8730fe0f7afa8dbb677befbcc53e0aedbd91df54e9e42"`
Dec 02 14:13:07.043 INFO [stdout] c8f34ddae1e652ff02f8730fe0f7afa8dbb677befbcc53e0aedbd91df54e9e42