Dec 02 15:32:01.426 INFO testing state-0.4.1 against 1.30.1 for beta-1.31-5
Dec 02 15:32:01.426 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 15:32:01.917 INFO [stdout] a6a5bd6b97c52598eca77d3c5dea4a8fa4b421280bd0a331a46b534478ca7c99
Dec 02 15:32:01.919 INFO running `"docker" "start" "-a" "a6a5bd6b97c52598eca77d3c5dea4a8fa4b421280bd0a331a46b534478ca7c99"`
Dec 02 15:32:02.956 INFO [stderr] usermod: no changes
Dec 02 15:32:02.998 INFO [stderr]    Compiling state v0.4.1 (/source)
Dec 02 15:32:03.874 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
Dec 02 15:32:03.875 INFO [stderr] su: No module specific data is present
Dec 02 15:32:04.420 INFO running `"docker" "inspect" "a6a5bd6b97c52598eca77d3c5dea4a8fa4b421280bd0a331a46b534478ca7c99"`
Dec 02 15:32:04.621 INFO running `"docker" "rm" "-f" "a6a5bd6b97c52598eca77d3c5dea4a8fa4b421280bd0a331a46b534478ca7c99"`
Dec 02 15:32:04.851 INFO [stdout] a6a5bd6b97c52598eca77d3c5dea4a8fa4b421280bd0a331a46b534478ca7c99
Dec 02 15:32:04.859 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 02 15:32:05.233 INFO [stdout] 25c9b76452fbbe2b2aa448925585a6244100b5c145288682d05b3462d9a09a6d
Dec 02 15:32:05.236 INFO running `"docker" "start" "-a" "25c9b76452fbbe2b2aa448925585a6244100b5c145288682d05b3462d9a09a6d"`
Dec 02 15:32:06.433 INFO [stderr] usermod: no changes
Dec 02 15:32:06.503 INFO [stderr]    Compiling state v0.4.1 (/source)
Dec 02 15:32:07.615 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 15:32:07.615 INFO [stderr]  --> tests/main.rs:1:1
Dec 02 15:32:07.615 INFO [stderr]   |
Dec 02 15:32:07.615 INFO [stderr] 1 | #![feature(const_fn)]
Dec 02 15:32:07.615 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 02 15:32:07.615 INFO [stderr] 
Dec 02 15:32:07.615 INFO [stderr] error: aborting due to previous error
Dec 02 15:32:07.615 INFO [stderr] 
Dec 02 15:32:07.615 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 15:32:07.643 INFO [stderr] error: Could not compile `state`.
Dec 02 15:32:07.643 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 15:32:08.315 INFO [stderr] error: build failed
Dec 02 15:32:08.315 INFO [stderr] su: No module specific data is present
Dec 02 15:32:08.979 INFO running `"docker" "inspect" "25c9b76452fbbe2b2aa448925585a6244100b5c145288682d05b3462d9a09a6d"`
Dec 02 15:32:09.220 INFO running `"docker" "rm" "-f" "25c9b76452fbbe2b2aa448925585a6244100b5c145288682d05b3462d9a09a6d"`
Dec 02 15:32:09.423 INFO [stdout] 25c9b76452fbbe2b2aa448925585a6244100b5c145288682d05b3462d9a09a6d