Oct 31 14:50:52.381 INFO testing zzeroo/average against beta-2018-10-30 for beta-1.31-1
Oct 31 14:50:52.383 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-7/beta-2018-10-30:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-1/beta-2018-10-30:/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 +beta-2018-10-30 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"`
Oct 31 14:50:53.115 INFO blam! 33500156ffcacab53f6e97f5924d687be4519637d4751114a2c41b3918a396d0
Oct 31 14:50:53.123 INFO running `"docker" "start" "-a" "33500156ffcacab53f6e97f5924d687be4519637d4751114a2c41b3918a396d0"`
Oct 31 14:50:54.491 INFO kablam! usermod: no changes
Oct 31 14:50:54.602 INFO kablam!    Compiling num-traits v0.1.36
Oct 31 14:50:54.607 INFO kablam!    Compiling libc v0.2.20
Oct 31 14:50:54.607 INFO kablam!    Compiling serde v0.9.7
Oct 31 14:50:56.336 INFO kablam!    Compiling time v0.1.36
Oct 31 14:50:56.336 INFO kablam!    Compiling rand v0.3.15
Oct 31 14:50:56.963 INFO kablam!    Compiling num-integer v0.1.32
Oct 31 14:50:57.543 INFO kablam!    Compiling num-iter v0.1.32
Oct 31 14:50:58.513 INFO kablam!    Compiling num v0.1.36
Oct 31 14:51:07.215 INFO kablam!    Compiling chrono v0.3.0
Oct 31 14:51:09.924 INFO kablam!    Compiling average v0.1.0 (/source)
Oct 31 14:51:10.043 INFO kablam! error[E0554]: #![feature] may not be used on the beta release channel
Oct 31 14:51:10.043 INFO kablam!  --> src/lib.rs:1:1
Oct 31 14:51:10.043 INFO kablam!   |
Oct 31 14:51:10.043 INFO kablam! 1 | #![feature(test)]
Oct 31 14:51:10.043 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Oct 31 14:51:10.043 INFO kablam! 
Oct 31 14:51:10.043 INFO kablam! error: aborting due to previous error
Oct 31 14:51:10.043 INFO kablam! 
Oct 31 14:51:10.043 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Oct 31 14:51:10.043 INFO kablam! error: Could not compile `average`.
Oct 31 14:51:10.043 INFO kablam! 
Oct 31 14:51:10.043 INFO kablam! To learn more, run the command again with --verbose.
Oct 31 14:51:10.051 INFO kablam! su: No module specific data is present
Oct 31 14:51:10.511 INFO running `"docker" "rm" "-f" "33500156ffcacab53f6e97f5924d687be4519637d4751114a2c41b3918a396d0"`
Oct 31 14:51:10.727 INFO blam! 33500156ffcacab53f6e97f5924d687be4519637d4751114a2c41b3918a396d0
