Dec 02 14:23:38.584 INFO testing termrect-0.1.2 against 1.30.1 for beta-1.31-5 Dec 02 14:23:38.584 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 02 14:23:39.028 INFO [stdout] 832bd5aed59b433ea7b1fdd9dbe0d80440d70bb7313e00ee2424400508bd0dbd Dec 02 14:23:39.033 INFO running `"docker" "start" "-a" "832bd5aed59b433ea7b1fdd9dbe0d80440d70bb7313e00ee2424400508bd0dbd"` Dec 02 14:23:39.763 INFO [stderr] usermod: no changes Dec 02 14:23:39.793 INFO [stderr] Compiling bitfield v0.13.1 Dec 02 14:23:39.793 INFO [stderr] Compiling termion v1.5.1 Dec 02 14:23:41.521 INFO [stderr] Compiling termrect v0.1.2 (/source) Dec 02 14:23:42.191 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel Dec 02 14:23:42.191 INFO [stderr] --> src/lib.rs:1:1 Dec 02 14:23:42.191 INFO [stderr] | Dec 02 14:23:42.191 INFO [stderr] 1 | #![feature(collections_range)] Dec 02 14:23:42.191 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 02 14:23:42.191 INFO [stderr] Dec 02 14:23:42.192 INFO [stderr] error: aborting due to previous error Dec 02 14:23:42.192 INFO [stderr] Dec 02 14:23:42.192 INFO [stderr] For more information about this error, try `rustc --explain E0554`. Dec 02 14:23:42.198 INFO [stderr] error: Could not compile `termrect`. Dec 02 14:23:42.198 INFO [stderr] Dec 02 14:23:42.198 INFO [stderr] To learn more, run the command again with --verbose. Dec 02 14:23:42.200 INFO [stderr] su: No module specific data is present Dec 02 14:23:42.522 INFO running `"docker" "inspect" "832bd5aed59b433ea7b1fdd9dbe0d80440d70bb7313e00ee2424400508bd0dbd"` Dec 02 14:23:42.654 INFO running `"docker" "rm" "-f" "832bd5aed59b433ea7b1fdd9dbe0d80440d70bb7313e00ee2424400508bd0dbd"` Dec 02 14:23:42.714 INFO [stdout] 832bd5aed59b433ea7b1fdd9dbe0d80440d70bb7313e00ee2424400508bd0dbd