Dec 03 18:22:22.100 INFO testing bigint-4.4.1 against 1.30.1 for beta-1.31-5
Dec 03 18:22:22.100 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 03 18:22:22.571 INFO [stdout] 86a2d1572470c5e467794c5c9521fc484c48660a07ff693b48303d7103a16427
Dec 03 18:22:22.583 INFO running `"docker" "start" "-a" "86a2d1572470c5e467794c5c9521fc484c48660a07ff693b48303d7103a16427"`
Dec 03 18:22:23.691 INFO [stderr] usermod: no changes
Dec 03 18:22:23.804 INFO [stderr]    Compiling bigint v4.4.1 (/source)
Dec 03 18:22:27.735 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.02s
Dec 03 18:22:27.741 INFO [stderr] su: No module specific data is present
Dec 03 18:22:28.471 INFO running `"docker" "inspect" "86a2d1572470c5e467794c5c9521fc484c48660a07ff693b48303d7103a16427"`
Dec 03 18:22:28.718 INFO running `"docker" "rm" "-f" "86a2d1572470c5e467794c5c9521fc484c48660a07ff693b48303d7103a16427"`
Dec 03 18:22:29.094 INFO [stdout] 86a2d1572470c5e467794c5c9521fc484c48660a07ff693b48303d7103a16427
Dec 03 18:22:29.099 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 test --frozen --no-run" "-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 18:22:29.513 INFO [stdout] a17ef017605233ba9f26e7743c2b84545d2d69d021c1a15d284b1952e416995a
Dec 03 18:22:29.520 INFO running `"docker" "start" "-a" "a17ef017605233ba9f26e7743c2b84545d2d69d021c1a15d284b1952e416995a"`
Dec 03 18:22:30.674 INFO [stderr] usermod: no changes
Dec 03 18:22:30.788 INFO [stderr]    Compiling bigint v4.4.1 (/source)
Dec 03 18:22:31.635 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 18:22:31.635 INFO [stderr]   --> src/lib.rs:12:44
Dec 03 18:22:31.635 INFO [stderr]    |
Dec 03 18:22:31.635 INFO [stderr] 12 | #![cfg_attr(all(not(feature="std"), test), feature(alloc))]
Dec 03 18:22:31.635 INFO [stderr]    |                                            ^^^^^^^^^^^^^^^
Dec 03 18:22:31.635 INFO [stderr] 
Dec 03 18:22:31.635 INFO [stderr] error: aborting due to previous error
Dec 03 18:22:31.635 INFO [stderr] 
Dec 03 18:22:31.635 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 18:22:31.667 INFO [stderr] error: Could not compile `bigint`.
Dec 03 18:22:31.667 INFO [stderr] 
Dec 03 18:22:31.667 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 18:22:31.673 INFO [stderr] su: No module specific data is present
Dec 03 18:22:32.174 INFO running `"docker" "inspect" "a17ef017605233ba9f26e7743c2b84545d2d69d021c1a15d284b1952e416995a"`
Dec 03 18:22:32.345 INFO running `"docker" "rm" "-f" "a17ef017605233ba9f26e7743c2b84545d2d69d021c1a15d284b1952e416995a"`
Dec 03 18:22:32.527 INFO [stdout] a17ef017605233ba9f26e7743c2b84545d2d69d021c1a15d284b1952e416995a