Dec 03 13:54:47.008 INFO testing divrem-0.1.0 against 1.30.1 for beta-1.31-5
Dec 03 13:54:47.008 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 13:54:47.657 INFO [stdout] 5d67828eb4c9fe384afed2e3054c25e447dbc95b5ebc91392979e9dcd261f727
Dec 03 13:54:47.660 INFO running `"docker" "start" "-a" "5d67828eb4c9fe384afed2e3054c25e447dbc95b5ebc91392979e9dcd261f727"`
Dec 03 13:54:48.695 INFO [stderr] usermod: no changes
Dec 03 13:54:48.736 INFO [stderr]    Compiling divrem v0.1.0 (/source)
Dec 03 13:54:50.110 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
Dec 03 13:54:50.111 INFO [stderr] su: No module specific data is present
Dec 03 13:54:51.071 INFO running `"docker" "inspect" "5d67828eb4c9fe384afed2e3054c25e447dbc95b5ebc91392979e9dcd261f727"`
Dec 03 13:54:51.389 INFO running `"docker" "rm" "-f" "5d67828eb4c9fe384afed2e3054c25e447dbc95b5ebc91392979e9dcd261f727"`
Dec 03 13:54:51.767 INFO [stdout] 5d67828eb4c9fe384afed2e3054c25e447dbc95b5ebc91392979e9dcd261f727
Dec 03 13:54:51.771 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 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 13:54:52.354 INFO [stdout] ec978ad3b971903ea1c0bfcc5ad4ec4837005af0643328d9b517c80114e639a0
Dec 03 13:54:52.356 INFO running `"docker" "start" "-a" "ec978ad3b971903ea1c0bfcc5ad4ec4837005af0643328d9b517c80114e639a0"`
Dec 03 13:54:53.586 INFO [stderr] usermod: no changes
Dec 03 13:54:53.639 INFO [stderr]    Compiling divrem v0.1.0 (/source)
Dec 03 13:54:55.137 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 13:54:55.137 INFO [stderr]  --> tests/lib.rs:1:1
Dec 03 13:54:55.137 INFO [stderr]   |
Dec 03 13:54:55.137 INFO [stderr] 1 | #![feature(test)]
Dec 03 13:54:55.138 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 03 13:54:55.138 INFO [stderr] 
Dec 03 13:54:55.138 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 13:54:55.138 INFO [stderr]  --> tests/lib.rs:2:1
Dec 03 13:54:55.139 INFO [stderr]   |
Dec 03 13:54:55.139 INFO [stderr] 2 | #![feature(concat_idents)]
Dec 03 13:54:55.139 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 13:54:55.139 INFO [stderr] 
Dec 03 13:54:55.147 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 13:54:55.147 INFO [stderr] 
Dec 03 13:54:55.147 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 13:54:55.159 INFO [stderr] error: Could not compile `divrem`.
Dec 03 13:54:55.160 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 13:54:56.688 INFO [stderr] error: build failed
Dec 03 13:54:56.691 INFO [stderr] su: No module specific data is present
Dec 03 13:54:57.569 INFO running `"docker" "inspect" "ec978ad3b971903ea1c0bfcc5ad4ec4837005af0643328d9b517c80114e639a0"`
Dec 03 13:54:57.859 INFO running `"docker" "rm" "-f" "ec978ad3b971903ea1c0bfcc5ad4ec4837005af0643328d9b517c80114e639a0"`
Dec 03 13:54:58.187 INFO [stdout] ec978ad3b971903ea1c0bfcc5ad4ec4837005af0643328d9b517c80114e639a0