Dec 02 15:28:26.356 INFO testing staticfraction-0.0.1 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 15:28:26.356 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 15:28:26.796 INFO [stdout] e7d3bf944314f7278192a48498c4906b300a765f675743ff4948f9c78bb5c0c8
Dec 02 15:28:26.800 INFO running `"docker" "start" "-a" "e7d3bf944314f7278192a48498c4906b300a765f675743ff4948f9c78bb5c0c8"`
Dec 02 15:28:27.899 INFO [stderr] usermod: no changes
Dec 02 15:28:27.972 INFO [stderr]    Compiling staticfraction v0.0.1 (/source)
Dec 02 15:28:28.744 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 15:28:28.744 INFO [stderr]   --> src/lib.rs:28:1
Dec 02 15:28:28.744 INFO [stderr]    |
Dec 02 15:28:28.744 INFO [stderr] 28 | #![feature(associated_consts)]
Dec 02 15:28:28.744 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 15:28:28.744 INFO [stderr] 
Dec 02 15:28:28.744 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 15:28:28.744 INFO [stderr]   --> src/lib.rs:29:1
Dec 02 15:28:28.744 INFO [stderr]    |
Dec 02 15:28:28.744 INFO [stderr] 29 | #![feature(try_from)]
Dec 02 15:28:28.744 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 02 15:28:28.744 INFO [stderr] 
Dec 02 15:28:28.744 INFO [stderr] error: aborting due to 2 previous errors
Dec 02 15:28:28.744 INFO [stderr] 
Dec 02 15:28:28.744 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 15:28:28.752 INFO [stderr] error: Could not compile `staticfraction`.
Dec 02 15:28:28.752 INFO [stderr] 
Dec 02 15:28:28.752 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 15:28:28.753 INFO [stderr] su: No module specific data is present
Dec 02 15:28:29.117 INFO running `"docker" "inspect" "e7d3bf944314f7278192a48498c4906b300a765f675743ff4948f9c78bb5c0c8"`
Dec 02 15:28:29.258 INFO running `"docker" "rm" "-f" "e7d3bf944314f7278192a48498c4906b300a765f675743ff4948f9c78bb5c0c8"`
Dec 02 15:28:29.342 INFO [stdout] e7d3bf944314f7278192a48498c4906b300a765f675743ff4948f9c78bb5c0c8