Dec 03 13:44:52.574 INFO testing domafic-0.2.0 against 1.30.1 for beta-1.31-5
Dec 03 13:44:52.574 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 13:44:52.923 INFO [stdout] f3cd04dbc71f28ee4a43ae693e2b6fda8a199e19ac784b22b2cf1d0dac8d320e
Dec 03 13:44:52.931 INFO running `"docker" "start" "-a" "f3cd04dbc71f28ee4a43ae693e2b6fda8a199e19ac784b22b2cf1d0dac8d320e"`
Dec 03 13:44:54.197 INFO [stderr] usermod: no changes
Dec 03 13:44:54.333 INFO [stderr]    Compiling marksman_escape v0.1.2
Dec 03 13:44:54.334 INFO [stderr]    Compiling either_n v0.2.0
Dec 03 13:45:04.995 INFO [stderr]    Compiling domafic v0.2.0 (/source)
Dec 03 13:45:07.404 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.15s
Dec 03 13:45:07.408 INFO [stderr] su: No module specific data is present
Dec 03 13:45:07.951 INFO running `"docker" "inspect" "f3cd04dbc71f28ee4a43ae693e2b6fda8a199e19ac784b22b2cf1d0dac8d320e"`
Dec 03 13:45:08.207 INFO running `"docker" "rm" "-f" "f3cd04dbc71f28ee4a43ae693e2b6fda8a199e19ac784b22b2cf1d0dac8d320e"`
Dec 03 13:45:08.490 INFO [stdout] f3cd04dbc71f28ee4a43ae693e2b6fda8a199e19ac784b22b2cf1d0dac8d320e
Dec 03 13:45:08.493 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 13:45:08.939 INFO [stdout] 1de10f27cdb2ba22a7706e81df7cb6419316f92f7aa1a668284d3f109b6e6f50
Dec 03 13:45:08.941 INFO running `"docker" "start" "-a" "1de10f27cdb2ba22a7706e81df7cb6419316f92f7aa1a668284d3f109b6e6f50"`
Dec 03 13:45:10.782 INFO [stderr] usermod: no changes
Dec 03 13:45:10.867 INFO [stderr]    Compiling domafic v0.2.0 (/source)
Dec 03 13:45:14.415 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 13:45:14.415 INFO [stderr]    --> src/lib.rs:126:19
Dec 03 13:45:14.415 INFO [stderr]     |
Dec 03 13:45:14.415 INFO [stderr] 126 | #![cfg_attr(test, feature(conservative_impl_trait))]
Dec 03 13:45:14.415 INFO [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 13:45:14.415 INFO [stderr] 
Dec 03 13:45:14.441 INFO [stderr] error: aborting due to previous error
Dec 03 13:45:14.441 INFO [stderr] 
Dec 03 13:45:14.447 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 13:45:14.464 INFO [stderr] error: Could not compile `domafic`.
Dec 03 13:45:14.464 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 13:45:15.811 INFO [stderr] error: build failed
Dec 03 13:45:15.812 INFO [stderr] su: No module specific data is present
Dec 03 13:45:16.800 INFO running `"docker" "inspect" "1de10f27cdb2ba22a7706e81df7cb6419316f92f7aa1a668284d3f109b6e6f50"`
Dec 03 13:45:17.120 INFO running `"docker" "rm" "-f" "1de10f27cdb2ba22a7706e81df7cb6419316f92f7aa1a668284d3f109b6e6f50"`
Dec 03 13:45:17.522 INFO [stdout] 1de10f27cdb2ba22a7706e81df7cb6419316f92f7aa1a668284d3f109b6e6f50