Dec 02 07:02:25.013 INFO testing Hikkygaya/rost_install against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 07:02:25.014 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 07:02:25.608 INFO [stdout] 3e50d778e47be1eeb4262509ae6b65330c831eb7eba4f1f2110792ffb75ffed7
Dec 02 07:02:25.610 INFO running `"docker" "start" "-a" "3e50d778e47be1eeb4262509ae6b65330c831eb7eba4f1f2110792ffb75ffed7"`
Dec 02 07:02:27.247 INFO [stderr] usermod: no changes
Dec 02 07:02:27.536 INFO [stderr]    Compiling mio v0.6.14
Dec 02 07:02:27.536 INFO [stderr]    Compiling tokio-threadpool v0.1.4
Dec 02 07:02:27.539 INFO [stderr]    Compiling serde_urlencoded v0.5.2
Dec 02 07:02:34.256 INFO [stderr]    Compiling tokio-reactor v0.1.2
Dec 02 07:02:34.279 INFO [stderr]    Compiling tokio-fs v0.1.1
Dec 02 07:02:37.948 INFO [stderr]    Compiling tokio-tcp v0.1.0
Dec 02 07:02:37.948 INFO [stderr]    Compiling tokio-udp v0.1.1
Dec 02 07:02:40.434 INFO [stderr]    Compiling tokio v0.1.7
Dec 02 07:02:44.402 INFO [stderr]    Compiling tokio-core v0.1.17
Dec 02 07:02:49.071 INFO [stderr]    Compiling tokio-proto v0.1.1
Dec 02 07:02:49.071 INFO [stderr]    Compiling tokio-tls v0.1.4
Dec 02 07:02:54.199 INFO [stderr]    Compiling hyper v0.11.27
Dec 02 07:03:06.855 INFO [stderr]    Compiling hyper-tls v0.1.3
Dec 02 07:03:10.295 INFO [stderr]    Compiling reqwest v0.8.6
Dec 02 07:03:19.710 INFO [stderr]    Compiling shell_helper v0.2.12
Dec 02 07:03:23.435 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 07:03:23.435 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/shell_helper-0.2.12/src/lib.rs:3:1
Dec 02 07:03:23.436 INFO [stderr]   |
Dec 02 07:03:23.436 INFO [stderr] 3 | #![feature(range_contains)]
Dec 02 07:03:23.436 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:03:23.436 INFO [stderr] 
Dec 02 07:03:23.437 INFO [stderr] error: aborting due to previous error
Dec 02 07:03:23.437 INFO [stderr] 
Dec 02 07:03:23.437 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 07:03:23.458 INFO [stderr] error: Could not compile `shell_helper`.
Dec 02 07:03:23.459 INFO [stderr] 
Dec 02 07:03:23.459 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 07:03:23.463 INFO [stderr] su: No module specific data is present
Dec 02 07:03:24.299 INFO running `"docker" "inspect" "3e50d778e47be1eeb4262509ae6b65330c831eb7eba4f1f2110792ffb75ffed7"`
Dec 02 07:03:24.515 INFO running `"docker" "rm" "-f" "3e50d778e47be1eeb4262509ae6b65330c831eb7eba4f1f2110792ffb75ffed7"`
Dec 02 07:03:24.723 INFO [stdout] 3e50d778e47be1eeb4262509ae6b65330c831eb7eba4f1f2110792ffb75ffed7