Nov 02 14:38:27.767 INFO testing is_prime-1.0.5 against 1.30.0 for beta-1.31-1
Nov 02 14:38:27.767 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-0/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 14:38:27.942 INFO blam! 1b8de461e9170573a3882db224381ba58fdd39949c314f160e4207ddb57e1aa3
Nov 02 14:38:27.944 INFO running `"docker" "start" "-a" "1b8de461e9170573a3882db224381ba58fdd39949c314f160e4207ddb57e1aa3"`
Nov 02 14:38:28.341 INFO kablam! usermod: no changes
Nov 02 14:38:28.411 INFO kablam!    Compiling rustc-cfg v0.2.0
Nov 02 14:38:28.413 INFO kablam!    Compiling ieee754 v0.2.2
Nov 02 14:38:29.467 INFO kablam!    Compiling ramp v0.5.1
Nov 02 14:38:32.223 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Nov 02 14:38:32.223 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.5.1/src/lib.rs:18:1
Nov 02 14:38:32.223 INFO kablam!    |
Nov 02 14:38:32.223 INFO kablam! 18 | #![feature(core_intrinsics, asm, allocator_api)]
Nov 02 14:38:32.223 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 14:38:32.223 INFO kablam! 
Nov 02 14:38:32.223 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Nov 02 14:38:32.223 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.5.1/src/lib.rs:19:1
Nov 02 14:38:32.223 INFO kablam!    |
Nov 02 14:38:32.223 INFO kablam! 19 | #![feature(step_trait, ptr_internals, alloc, raw_vec_internals)]
Nov 02 14:38:32.223 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 14:38:32.223 INFO kablam! 
Nov 02 14:38:32.231 INFO kablam! error: aborting due to 2 previous errors
Nov 02 14:38:32.231 INFO kablam! 
Nov 02 14:38:32.231 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 02 14:38:32.239 INFO kablam! error: Could not compile `ramp`.
Nov 02 14:38:32.239 INFO kablam! 
Nov 02 14:38:32.239 INFO kablam! To learn more, run the command again with --verbose.
Nov 02 14:38:32.241 INFO kablam! su: No module specific data is present
Nov 02 14:38:32.593 INFO running `"docker" "rm" "-f" "1b8de461e9170573a3882db224381ba58fdd39949c314f160e4207ddb57e1aa3"`
Nov 02 14:38:32.831 INFO blam! 1b8de461e9170573a3882db224381ba58fdd39949c314f160e4207ddb57e1aa3
