Nov 30 19:04:51.782 INFO testing zjhken/MioPractice against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Nov 30 19:04:51.783 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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"`
Nov 30 19:04:52.419 INFO [stdout] 2a74c4b829798981d3582c1fce8266228ebd2742d64a0a9892bc91754cdfb266
Nov 30 19:04:52.422 INFO running `"docker" "start" "-a" "2a74c4b829798981d3582c1fce8266228ebd2742d64a0a9892bc91754cdfb266"`
Nov 30 19:04:54.011 INFO [stderr] usermod: no changes
Nov 30 19:04:54.167 INFO [stderr]    Compiling cfg-if v0.1.3
Nov 30 19:04:54.175 INFO [stderr]    Compiling lazycell v0.6.0
Nov 30 19:04:54.175 INFO [stderr]    Compiling time v0.1.40
Nov 30 19:04:54.175 INFO [stderr]    Compiling iovec v0.1.2
Nov 30 19:04:54.539 INFO [stderr]    Compiling log v0.4.4
Nov 30 19:04:54.539 INFO [stderr]    Compiling net2 v0.2.32
Nov 30 19:04:57.695 INFO [stderr]    Compiling mio v0.6.14
Nov 30 19:04:58.475 INFO [stderr]    Compiling simple_logger v0.5.0
Nov 30 19:05:01.977 INFO [stderr]    Compiling MioPractice v0.1.0 (/source)
Nov 30 19:05:02.183 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Nov 30 19:05:02.183 INFO [stderr]  --> src/lib.rs:2:1
Nov 30 19:05:02.183 INFO [stderr]   |
Nov 30 19:05:02.183 INFO [stderr] 2 | #![feature(nll)]
Nov 30 19:05:02.183 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Nov 30 19:05:02.183 INFO [stderr] 
Nov 30 19:05:02.191 INFO [stderr] error: aborting due to previous error
Nov 30 19:05:02.191 INFO [stderr] 
Nov 30 19:05:02.192 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Nov 30 19:05:02.192 INFO [stderr] error: Could not compile `MioPractice`.
Nov 30 19:05:02.193 INFO [stderr] 
Nov 30 19:05:02.193 INFO [stderr] To learn more, run the command again with --verbose.
Nov 30 19:05:02.195 INFO [stderr] su: No module specific data is present
Nov 30 19:05:03.795 INFO running `"docker" "inspect" "2a74c4b829798981d3582c1fce8266228ebd2742d64a0a9892bc91754cdfb266"`
Nov 30 19:05:04.179 INFO running `"docker" "rm" "-f" "2a74c4b829798981d3582c1fce8266228ebd2742d64a0a9892bc91754cdfb266"`
Nov 30 19:05:04.575 INFO [stdout] 2a74c4b829798981d3582c1fce8266228ebd2742d64a0a9892bc91754cdfb266
