Dec 02 08:18:14.318 INFO testing DevHeap/karma_slap against 1.30.1 for beta-1.31-5
Dec 02 08:18:14.318 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 08:18:14.586 INFO [stdout] 61cbdf6bd5d4c9be20da915406f2e22a6a492bfe8cd3f84abf1353b35d9bb418
Dec 02 08:18:14.588 INFO running `"docker" "start" "-a" "61cbdf6bd5d4c9be20da915406f2e22a6a492bfe8cd3f84abf1353b35d9bb418"`
Dec 02 08:18:15.784 INFO [stderr] usermod: no changes
Dec 02 08:18:15.886 INFO [stderr]    Compiling chrono v0.4.0
Dec 02 08:18:19.520 INFO [stderr]    Compiling karma_slap v0.1.0 (/source)
Dec 02 08:18:21.663 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 08:18:21.663 INFO [stderr]  --> src/main.rs:1:1
Dec 02 08:18:21.663 INFO [stderr]   |
Dec 02 08:18:21.663 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 02 08:18:21.663 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:18:21.663 INFO [stderr] 
Dec 02 08:18:21.666 INFO [stderr] error: aborting due to previous error
Dec 02 08:18:21.666 INFO [stderr] 
Dec 02 08:18:21.666 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 08:18:21.685 INFO [stderr] error: Could not compile `karma_slap`.
Dec 02 08:18:21.685 INFO [stderr] 
Dec 02 08:18:21.685 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 08:18:21.687 INFO [stderr] su: No module specific data is present
Dec 02 08:18:22.052 INFO running `"docker" "inspect" "61cbdf6bd5d4c9be20da915406f2e22a6a492bfe8cd3f84abf1353b35d9bb418"`
Dec 02 08:18:22.196 INFO running `"docker" "rm" "-f" "61cbdf6bd5d4c9be20da915406f2e22a6a492bfe8cd3f84abf1353b35d9bb418"`
Dec 02 08:18:22.334 INFO [stdout] 61cbdf6bd5d4c9be20da915406f2e22a6a492bfe8cd3f84abf1353b35d9bb418
