Dec 03 17:24:37.597 INFO testing calculate-0.5.1 against 1.30.1 for beta-1.31-5
Dec 03 17:24:37.597 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 17:24:37.795 INFO [stdout] ce4def2e771d02a3a742fde35ce1cd39b9a64d2108ee1e8be6567c4aa8f9af95
Dec 03 17:24:37.797 INFO running `"docker" "start" "-a" "ce4def2e771d02a3a742fde35ce1cd39b9a64d2108ee1e8be6567c4aa8f9af95"`
Dec 03 17:24:38.811 INFO [stderr] usermod: no changes
Dec 03 17:24:38.975 INFO [stderr]    Compiling ord_subset v3.1.1
Dec 03 17:24:38.983 INFO [stderr]    Compiling decimal v2.0.4
Dec 03 17:24:38.983 INFO [stderr]    Compiling liner v0.4.4
Dec 03 17:24:47.711 INFO [stderr]    Compiling calculate v0.5.1 (/source)
Dec 03 17:24:53.707 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.86s
Dec 03 17:24:53.710 INFO [stderr] su: No module specific data is present
Dec 03 17:24:54.104 INFO running `"docker" "inspect" "ce4def2e771d02a3a742fde35ce1cd39b9a64d2108ee1e8be6567c4aa8f9af95"`
Dec 03 17:24:54.248 INFO running `"docker" "rm" "-f" "ce4def2e771d02a3a742fde35ce1cd39b9a64d2108ee1e8be6567c4aa8f9af95"`
Dec 03 17:24:54.455 INFO [stdout] ce4def2e771d02a3a742fde35ce1cd39b9a64d2108ee1e8be6567c4aa8f9af95
Dec 03 17:24:54.457 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 17:24:54.717 INFO [stdout] 591b07e3d9ba3b6cd221a387e4c43b85e93f258429e90891326b9839609ca462
Dec 03 17:24:54.719 INFO running `"docker" "start" "-a" "591b07e3d9ba3b6cd221a387e4c43b85e93f258429e90891326b9839609ca462"`
Dec 03 17:24:55.675 INFO [stderr] usermod: no changes
Dec 03 17:24:55.783 INFO [stderr]    Compiling calculate v0.5.1 (/source)
Dec 03 17:24:57.754 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 17:24:57.754 INFO [stderr]  --> src/lib.rs:1:19
Dec 03 17:24:57.754 INFO [stderr]   |
Dec 03 17:24:57.754 INFO [stderr] 1 | #![cfg_attr(test, feature(test))]
Dec 03 17:24:57.754 INFO [stderr]   |                   ^^^^^^^^^^^^^^
Dec 03 17:24:57.754 INFO [stderr] 
Dec 03 17:24:57.754 INFO [stderr] error: aborting due to previous error
Dec 03 17:24:57.754 INFO [stderr] 
Dec 03 17:24:57.754 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 17:24:57.754 INFO [stderr] error: Could not compile `calculate`.
Dec 03 17:24:57.754 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 17:24:58.695 INFO [stderr] error: build failed
Dec 03 17:24:58.695 INFO [stderr] su: No module specific data is present
Dec 03 17:24:59.328 INFO running `"docker" "inspect" "591b07e3d9ba3b6cd221a387e4c43b85e93f258429e90891326b9839609ca462"`
Dec 03 17:24:59.481 INFO running `"docker" "rm" "-f" "591b07e3d9ba3b6cd221a387e4c43b85e93f258429e90891326b9839609ca462"`
Dec 03 17:24:59.645 INFO [stdout] 591b07e3d9ba3b6cd221a387e4c43b85e93f258429e90891326b9839609ca462