Nov 02 19:43:45.149 INFO testing get_env-0.1.0 against 1.30.0 for beta-1.31-1
Nov 02 19:43:45.149 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-1/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-1/1.30.0:/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 +1.30.0 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"`
Nov 02 19:43:45.303 INFO blam! 4df6a7b02f4797996e314f4eab93f39f5aaaa4480a8479f9764b2f553e8813ad
Nov 02 19:43:45.306 INFO running `"docker" "start" "-a" "4df6a7b02f4797996e314f4eab93f39f5aaaa4480a8479f9764b2f553e8813ad"`
Nov 02 19:43:45.634 INFO kablam! usermod: no changes
Nov 02 19:43:45.687 INFO kablam!    Compiling get_env v0.1.0 (/source)
Nov 02 19:43:46.175 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Nov 02 19:43:46.175 INFO kablam!   --> src/lib.rs:35:2
Nov 02 19:43:46.175 INFO kablam!    |
Nov 02 19:43:46.176 INFO kablam! 35 |       feature(used)
Nov 02 19:43:46.176 INFO kablam!    |  _____^
Nov 02 19:43:46.176 INFO kablam! 36 | | )]
Nov 02 19:43:46.177 INFO kablam!    | |_^
Nov 02 19:43:46.177 INFO kablam! 
Nov 02 19:43:46.177 INFO kablam! error: aborting due to previous error
Nov 02 19:43:46.177 INFO kablam! 
Nov 02 19:43:46.178 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 02 19:43:46.181 INFO kablam! error: Could not compile `get_env`.
Nov 02 19:43:46.181 INFO kablam! 
Nov 02 19:43:46.181 INFO kablam! To learn more, run the command again with --verbose.
Nov 02 19:43:46.183 INFO kablam! su: No module specific data is present
Nov 02 19:43:46.414 INFO running `"docker" "rm" "-f" "4df6a7b02f4797996e314f4eab93f39f5aaaa4480a8479f9764b2f553e8813ad"`
Nov 02 19:43:46.481 INFO blam! 4df6a7b02f4797996e314f4eab93f39f5aaaa4480a8479f9764b2f553e8813ad
