Dec 01 07:25:57.392 INFO testing nikomatsakis/grep-test against 1.30.1 for beta-1.31-5
Dec 01 07:25:57.392 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 01 07:25:57.863 INFO [stdout] a53592e6ab9209728a9d6e190d1986241cc9dfb968ef4c00526aa13f3d9c6d80
Dec 01 07:25:57.869 INFO running `"docker" "start" "-a" "a53592e6ab9209728a9d6e190d1986241cc9dfb968ef4c00526aa13f3d9c6d80"`
Dec 01 07:25:59.490 INFO [stderr] usermod: no changes
Dec 01 07:25:59.635 INFO [stderr]    Compiling grep-test v0.1.0 (/source)
Dec 01 07:26:00.215 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 07:26:00.216 INFO [stderr]  --> src/main.rs:1:1
Dec 01 07:26:00.216 INFO [stderr]   |
Dec 01 07:26:00.216 INFO [stderr] 1 | / #![feature(crate_in_paths, crate_visibility_modifier, extern_in_paths, decl_macro,
Dec 01 07:26:00.216 INFO [stderr] 2 | |            termination_trait, use_nested_groups, universal_impl_trait)]
Dec 01 07:26:00.216 INFO [stderr]   | |_______________________________________________________________________^
Dec 01 07:26:00.216 INFO [stderr] 
Dec 01 07:26:00.216 INFO [stderr] error: aborting due to previous error
Dec 01 07:26:00.216 INFO [stderr] 
Dec 01 07:26:00.216 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 07:26:00.216 INFO [stderr] error: Could not compile `grep-test`.
Dec 01 07:26:00.216 INFO [stderr] 
Dec 01 07:26:00.216 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 07:26:00.219 INFO [stderr] su: No module specific data is present
Dec 01 07:26:00.997 INFO running `"docker" "inspect" "a53592e6ab9209728a9d6e190d1986241cc9dfb968ef4c00526aa13f3d9c6d80"`
Dec 01 07:26:01.387 INFO running `"docker" "rm" "-f" "a53592e6ab9209728a9d6e190d1986241cc9dfb968ef4c00526aa13f3d9c6d80"`
Dec 01 07:26:01.751 INFO [stdout] a53592e6ab9209728a9d6e190d1986241cc9dfb968ef4c00526aa13f3d9c6d80
