Dec 02 14:23:38.340 INFO testing termrect-0.1.2 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 14:23:38.340 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 14:23:38.553 INFO [stdout] cb769adbbd44bbbe1bcf0538133aefd9f2d20cdfb7fda1458c58b0d804de1f01
Dec 02 14:23:38.555 INFO running `"docker" "start" "-a" "cb769adbbd44bbbe1bcf0538133aefd9f2d20cdfb7fda1458c58b0d804de1f01"`
Dec 02 14:23:39.332 INFO [stderr] usermod: no changes
Dec 02 14:23:39.369 INFO [stderr]    Compiling bitfield v0.13.1
Dec 02 14:23:39.707 INFO [stderr]    Compiling termrect v0.1.2 (/source)
Dec 02 14:23:40.326 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 14:23:40.326 INFO [stderr]  --> src/lib.rs:1:1
Dec 02 14:23:40.326 INFO [stderr]   |
Dec 02 14:23:40.326 INFO [stderr] 1 | #![feature(collections_range)]
Dec 02 14:23:40.326 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 14:23:40.326 INFO [stderr] 
Dec 02 14:23:40.327 INFO [stderr] error: aborting due to previous error
Dec 02 14:23:40.327 INFO [stderr] 
Dec 02 14:23:40.327 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 14:23:40.333 INFO [stderr] error: Could not compile `termrect`.
Dec 02 14:23:40.333 INFO [stderr] 
Dec 02 14:23:40.333 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 14:23:40.335 INFO [stderr] su: No module specific data is present
Dec 02 14:23:40.589 INFO running `"docker" "inspect" "cb769adbbd44bbbe1bcf0538133aefd9f2d20cdfb7fda1458c58b0d804de1f01"`
Dec 02 14:23:40.817 INFO running `"docker" "rm" "-f" "cb769adbbd44bbbe1bcf0538133aefd9f2d20cdfb7fda1458c58b0d804de1f01"`
Dec 02 14:23:41.102 INFO [stdout] cb769adbbd44bbbe1bcf0538133aefd9f2d20cdfb7fda1458c58b0d804de1f01