Nov 30 22:20:00.232 INFO testing uberblah/rust-simple-regression-example against 1.30.1 for beta-1.31-5
Nov 30 22:20:00.232 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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"`
Nov 30 22:20:00.691 INFO [stdout] a2252939970b590b839bf1e235970dd3db7567ae2292acccacf10b0cf70dab8b
Nov 30 22:20:00.697 INFO running `"docker" "start" "-a" "a2252939970b590b839bf1e235970dd3db7567ae2292acccacf10b0cf70dab8b"`
Nov 30 22:20:01.997 INFO [stderr] usermod: no changes
Nov 30 22:20:02.055 INFO [stderr]    Compiling libc v0.2.29
Nov 30 22:20:03.326 INFO [stderr]    Compiling rand v0.3.16
Nov 30 22:20:05.564 INFO [stderr]    Compiling rustreg v0.1.0 (/source)
Nov 30 22:20:05.751 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Nov 30 22:20:05.751 INFO [stderr]  --> src/lib.rs:1:1
Nov 30 22:20:05.752 INFO [stderr]   |
Nov 30 22:20:05.752 INFO [stderr] 1 | #![feature(fn_traits, unboxed_closures)]
Nov 30 22:20:05.752 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 22:20:05.753 INFO [stderr] 
Nov 30 22:20:05.753 INFO [stderr] error: aborting due to previous error
Nov 30 22:20:05.753 INFO [stderr] 
Nov 30 22:20:05.754 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Nov 30 22:20:05.768 INFO [stderr] error: Could not compile `rustreg`.
Nov 30 22:20:05.768 INFO [stderr] 
Nov 30 22:20:05.768 INFO [stderr] To learn more, run the command again with --verbose.
Nov 30 22:20:05.770 INFO [stderr] su: No module specific data is present
Nov 30 22:20:06.475 INFO running `"docker" "inspect" "a2252939970b590b839bf1e235970dd3db7567ae2292acccacf10b0cf70dab8b"`
Nov 30 22:20:06.752 INFO running `"docker" "rm" "-f" "a2252939970b590b839bf1e235970dd3db7567ae2292acccacf10b0cf70dab8b"`
Nov 30 22:20:07.023 INFO [stdout] a2252939970b590b839bf1e235970dd3db7567ae2292acccacf10b0cf70dab8b
