Dec 03 16:31:48.005 INFO testing chalk-engine-0.8.1 against 1.30.1 for beta-1.31-5
Dec 03 16:31:48.005 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 16:31:48.154 INFO [stdout] cb011d5d1b658d79b96d183c4dfc5ff555a25367c71681854686842d23fd8df7
Dec 03 16:31:48.156 INFO running `"docker" "start" "-a" "cb011d5d1b658d79b96d183c4dfc5ff555a25367c71681854686842d23fd8df7"`
Dec 03 16:31:48.507 INFO [stderr] usermod: no changes
Dec 03 16:31:48.551 INFO [stderr]    Compiling stacker v0.1.3
Dec 03 16:31:48.551 INFO [stderr]    Compiling chalk-macros v0.1.0
Dec 03 16:31:49.205 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 16:31:49.205 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/chalk-macros-0.1.0/src/lib.rs:1:1
Dec 03 16:31:49.205 INFO [stderr]   |
Dec 03 16:31:49.205 INFO [stderr] 1 | #![feature(crate_visibility_modifier)]
Dec 03 16:31:49.205 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 16:31:49.205 INFO [stderr] 
Dec 03 16:31:49.205 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 16:31:49.205 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/chalk-macros-0.1.0/src/lib.rs:2:1
Dec 03 16:31:49.205 INFO [stderr]   |
Dec 03 16:31:49.205 INFO [stderr] 2 | #![feature(macro_vis_matcher)]
Dec 03 16:31:49.205 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 16:31:49.205 INFO [stderr] 
Dec 03 16:31:49.205 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 16:31:49.205 INFO [stderr] 
Dec 03 16:31:49.205 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 16:31:49.210 INFO [stderr] error: Could not compile `chalk-macros`.
Dec 03 16:31:49.210 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 16:31:49.650 INFO [stderr] error: build failed
Dec 03 16:31:49.652 INFO [stderr] su: No module specific data is present
Dec 03 16:31:49.892 INFO running `"docker" "inspect" "cb011d5d1b658d79b96d183c4dfc5ff555a25367c71681854686842d23fd8df7"`
Dec 03 16:31:49.992 INFO running `"docker" "rm" "-f" "cb011d5d1b658d79b96d183c4dfc5ff555a25367c71681854686842d23fd8df7"`
Dec 03 16:31:50.076 INFO [stdout] cb011d5d1b658d79b96d183c4dfc5ff555a25367c71681854686842d23fd8df7
