Dec 01 07:14:19.928 INFO testing nrc/stupid-stats against 1.30.1 for beta-1.31-5
Dec 01 07:14:19.930 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 07:14:20.367 INFO [stdout] 5b13f4a223cdea2750eed04ea32acdbe0f844829872b6fe9a197d1060d581b20
Dec 01 07:14:20.373 INFO running `"docker" "start" "-a" "5b13f4a223cdea2750eed04ea32acdbe0f844829872b6fe9a197d1060d581b20"`
Dec 01 07:14:21.135 INFO [stderr] usermod: no changes
Dec 01 07:14:21.200 INFO [stderr]    Compiling stupid-stats v0.0.1 (/source)
Dec 01 07:14:23.639 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 07:14:23.639 INFO [stderr]  --> src/mod.rs:9:1
Dec 01 07:14:23.639 INFO [stderr]   |
Dec 01 07:14:23.639 INFO [stderr] 9 | #![feature(box_syntax)]
Dec 01 07:14:23.639 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 07:14:23.639 INFO [stderr] 
Dec 01 07:14:23.639 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 07:14:23.639 INFO [stderr]   --> src/mod.rs:10:1
Dec 01 07:14:23.639 INFO [stderr]    |
Dec 01 07:14:23.639 INFO [stderr] 10 | #![feature(extern_crate_item_prelude)]
Dec 01 07:14:23.639 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 07:14:23.639 INFO [stderr] 
Dec 01 07:14:23.639 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 07:14:23.639 INFO [stderr]   --> src/mod.rs:11:1
Dec 01 07:14:23.639 INFO [stderr]    |
Dec 01 07:14:23.639 INFO [stderr] 11 | #![feature(rustc_private)]
Dec 01 07:14:23.639 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 07:14:23.639 INFO [stderr] 
Dec 01 07:14:23.639 INFO [stderr] error: aborting due to 3 previous errors
Dec 01 07:14:23.639 INFO [stderr] 
Dec 01 07:14:23.639 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 07:14:23.650 INFO [stderr] error: Could not compile `stupid-stats`.
Dec 01 07:14:23.650 INFO [stderr] 
Dec 01 07:14:23.650 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 07:14:23.652 INFO [stderr] su: No module specific data is present
Dec 01 07:14:24.076 INFO running `"docker" "inspect" "5b13f4a223cdea2750eed04ea32acdbe0f844829872b6fe9a197d1060d581b20"`
Dec 01 07:14:24.169 INFO running `"docker" "rm" "-f" "5b13f4a223cdea2750eed04ea32acdbe0f844829872b6fe9a197d1060d581b20"`
Dec 01 07:14:24.372 INFO [stdout] 5b13f4a223cdea2750eed04ea32acdbe0f844829872b6fe9a197d1060d581b20
