Dec 02 07:02:34.316 INFO testing Hikkygaya/rost_install against 1.30.1 for beta-1.31-5
Dec 02 07:02:34.316 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 07:02:34.756 INFO [stdout] 744bc0b292473c1ca5b30aee87bf7f161cb642467dbc8071723c88c2f426c49e
Dec 02 07:02:34.758 INFO running `"docker" "start" "-a" "744bc0b292473c1ca5b30aee87bf7f161cb642467dbc8071723c88c2f426c49e"`
Dec 02 07:02:35.822 INFO [stderr] usermod: no changes
Dec 02 07:02:36.067 INFO [stderr]    Compiling want v0.0.4
Dec 02 07:02:36.067 INFO [stderr]    Compiling mio v0.6.14
Dec 02 07:02:36.069 INFO [stderr]    Compiling tokio-io v0.1.7
Dec 02 07:02:36.069 INFO [stderr]    Compiling tokio-threadpool v0.1.4
Dec 02 07:02:36.075 INFO [stderr]    Compiling serde_urlencoded v0.5.2
Dec 02 07:02:41.007 INFO [stderr]    Compiling tokio-codec v0.1.0
Dec 02 07:02:44.547 INFO [stderr]    Compiling tokio-fs v0.1.1
Dec 02 07:02:44.699 INFO [stderr]    Compiling tokio-reactor v0.1.2
Dec 02 07:02:47.355 INFO [stderr]    Compiling tokio-tcp v0.1.0
Dec 02 07:02:47.355 INFO [stderr]    Compiling tokio-udp v0.1.1
Dec 02 07:02:50.477 INFO [stderr]    Compiling tokio v0.1.7
Dec 02 07:02:54.107 INFO [stderr]    Compiling tokio-core v0.1.17
Dec 02 07:02:58.383 INFO [stderr]    Compiling tokio-proto v0.1.1
Dec 02 07:02:58.399 INFO [stderr]    Compiling tokio-tls v0.1.4
Dec 02 07:03:03.511 INFO [stderr]    Compiling hyper v0.11.27
Dec 02 07:03:14.065 INFO [stderr]    Compiling hyper-tls v0.1.3
Dec 02 07:03:17.915 INFO [stderr]    Compiling reqwest v0.8.6
Dec 02 07:03:26.408 INFO [stderr]    Compiling shell_helper v0.2.12
Dec 02 07:03:30.433 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 07:03:30.433 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/shell_helper-0.2.12/src/lib.rs:3:1
Dec 02 07:03:30.433 INFO [stderr]   |
Dec 02 07:03:30.433 INFO [stderr] 3 | #![feature(range_contains)]
Dec 02 07:03:30.433 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:03:30.433 INFO [stderr] 
Dec 02 07:03:30.433 INFO [stderr] error: aborting due to previous error
Dec 02 07:03:30.433 INFO [stderr] 
Dec 02 07:03:30.433 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 07:03:30.448 INFO [stderr] error: Could not compile `shell_helper`.
Dec 02 07:03:30.448 INFO [stderr] 
Dec 02 07:03:30.448 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 07:03:30.454 INFO [stderr] su: No module specific data is present
Dec 02 07:03:30.716 INFO running `"docker" "inspect" "744bc0b292473c1ca5b30aee87bf7f161cb642467dbc8071723c88c2f426c49e"`
Dec 02 07:03:30.807 INFO running `"docker" "rm" "-f" "744bc0b292473c1ca5b30aee87bf7f161cb642467dbc8071723c88c2f426c49e"`
Dec 02 07:03:30.922 INFO [stdout] 744bc0b292473c1ca5b30aee87bf7f161cb642467dbc8071723c88c2f426c49e