Dec 03 17:41:27.484 INFO testing btree-0.1.0 against 1.30.1 for beta-1.31-5
Dec 03 17:41:27.484 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 03 17:41:27.703 INFO [stdout] 3c4d808b7adb07674220e69eb2198a98ad0ebf2d1cfe53ad0f3144eb57702cd1
Dec 03 17:41:27.704 INFO running `"docker" "start" "-a" "3c4d808b7adb07674220e69eb2198a98ad0ebf2d1cfe53ad0f3144eb57702cd1"`
Dec 03 17:41:28.275 INFO [stderr] usermod: no changes
Dec 03 17:41:28.302 INFO [stderr] warning: `panic` setting is ignored for `test` profile
Dec 03 17:41:28.313 INFO [stderr]    Compiling raw_serde_derive v0.1.2
Dec 03 17:41:32.983 INFO [stderr]    Compiling raw_serde v0.1.4
Dec 03 17:41:33.806 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 17:41:33.806 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/raw_serde-0.1.4/src/lib.rs:1:1
Dec 03 17:41:33.806 INFO [stderr]   |
Dec 03 17:41:33.806 INFO [stderr] 1 | #![feature(i128_type)]
Dec 03 17:41:33.806 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 03 17:41:33.806 INFO [stderr] 
Dec 03 17:41:33.827 INFO [stderr] error: aborting due to previous error
Dec 03 17:41:33.827 INFO [stderr] 
Dec 03 17:41:33.827 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 17:41:33.832 INFO [stderr] error: Could not compile `raw_serde`.
Dec 03 17:41:33.832 INFO [stderr] 
Dec 03 17:41:33.832 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 17:41:33.833 INFO [stderr] su: No module specific data is present
Dec 03 17:41:34.100 INFO running `"docker" "inspect" "3c4d808b7adb07674220e69eb2198a98ad0ebf2d1cfe53ad0f3144eb57702cd1"`
Dec 03 17:41:34.178 INFO running `"docker" "rm" "-f" "3c4d808b7adb07674220e69eb2198a98ad0ebf2d1cfe53ad0f3144eb57702cd1"`
Dec 03 17:41:34.277 INFO [stdout] 3c4d808b7adb07674220e69eb2198a98ad0ebf2d1cfe53ad0f3144eb57702cd1