Dec 03 14:42:46.676 INFO testing culqi-0.2.1 against 1.30.1 for beta-1.31-5
Dec 03 14:42:46.676 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 14:42:46.907 INFO [stdout] 69e318f2e8211e7cce24cd8e4261d83b5051b9db301b74e660292796e2ebb54d
Dec 03 14:42:46.913 INFO running `"docker" "start" "-a" "69e318f2e8211e7cce24cd8e4261d83b5051b9db301b74e660292796e2ebb54d"`
Dec 03 14:42:47.378 INFO [stderr] usermod: no changes
Dec 03 14:42:47.539 INFO [stderr]    Compiling serde_qs v0.0.2
Dec 03 14:42:47.539 INFO [stderr]    Compiling reqwest v0.5.2
Dec 03 14:42:52.444 INFO [stderr]    Compiling culqi v0.2.1 (/source)
Dec 03 14:42:55.425 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 14:42:55.425 INFO [stderr]   --> src/lib.rs:48:1
Dec 03 14:42:55.425 INFO [stderr]    |
Dec 03 14:42:55.425 INFO [stderr] 48 | #![feature(box_syntax)]
Dec 03 14:42:55.425 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 14:42:55.425 INFO [stderr] 
Dec 03 14:42:55.425 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 14:42:55.425 INFO [stderr]   --> src/lib.rs:49:1
Dec 03 14:42:55.425 INFO [stderr]    |
Dec 03 14:42:55.425 INFO [stderr] 49 | #![feature(custom_attribute)]
Dec 03 14:42:55.425 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 14:42:55.425 INFO [stderr] 
Dec 03 14:42:55.427 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 14:42:55.427 INFO [stderr] 
Dec 03 14:42:55.427 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 14:42:55.442 INFO [stderr] error: Could not compile `culqi`.
Dec 03 14:42:55.442 INFO [stderr] 
Dec 03 14:42:55.442 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 14:42:55.446 INFO [stderr] su: No module specific data is present
Dec 03 14:42:55.766 INFO running `"docker" "inspect" "69e318f2e8211e7cce24cd8e4261d83b5051b9db301b74e660292796e2ebb54d"`
Dec 03 14:42:55.840 INFO running `"docker" "rm" "-f" "69e318f2e8211e7cce24cd8e4261d83b5051b9db301b74e660292796e2ebb54d"`
Dec 03 14:42:55.924 INFO [stdout] 69e318f2e8211e7cce24cd8e4261d83b5051b9db301b74e660292796e2ebb54d