Nov 02 01:21:36.533 INFO testing un_algebra-0.1.4 against 1.30.0 for beta-1.31-1
Nov 02 01:21:36.534 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 01:21:36.900 INFO blam! 1106c9f49ebb4bc3b9997767ddf59444bb9b684dc29c9633042765469540e4e8
Nov 02 01:21:36.902 INFO running `"docker" "start" "-a" "1106c9f49ebb4bc3b9997767ddf59444bb9b684dc29c9633042765469540e4e8"`
Nov 02 01:21:37.819 INFO kablam! usermod: no changes
Nov 02 01:21:37.955 INFO kablam!    Compiling num-complex v0.2.1
Nov 02 01:21:37.979 INFO kablam!    Compiling rand v0.5.5
Nov 02 01:21:37.995 INFO kablam!    Compiling float-cmp v0.4.0
Nov 02 01:21:41.584 INFO kablam!    Compiling num v0.2.0
Nov 02 01:21:42.784 INFO kablam!    Compiling tempfile v3.0.4
Nov 02 01:21:44.163 INFO kablam!    Compiling rusty-fork v0.2.1
Nov 02 01:21:46.146 INFO kablam!    Compiling proptest v0.8.7
Nov 02 01:21:58.832 INFO kablam!    Compiling un_algebra v0.1.4 (/source)
Nov 02 01:22:00.367 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Nov 02 01:22:00.367 INFO kablam!  --> src/lib.rs:1:1
Nov 02 01:22:00.367 INFO kablam!   |
Nov 02 01:22:00.367 INFO kablam! 1 | #![feature(external_doc)]
Nov 02 01:22:00.367 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 01:22:00.367 INFO kablam! 
Nov 02 01:22:00.372 INFO kablam! error: aborting due to previous error
Nov 02 01:22:00.372 INFO kablam! 
Nov 02 01:22:00.372 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 02 01:22:00.382 INFO kablam! error: Could not compile `un_algebra`.
Nov 02 01:22:00.382 INFO kablam! 
Nov 02 01:22:00.382 INFO kablam! To learn more, run the command again with --verbose.
Nov 02 01:22:00.387 INFO kablam! su: No module specific data is present
Nov 02 01:22:00.766 INFO running `"docker" "rm" "-f" "1106c9f49ebb4bc3b9997767ddf59444bb9b684dc29c9633042765469540e4e8"`
Nov 02 01:22:00.852 INFO blam! 1106c9f49ebb4bc3b9997767ddf59444bb9b684dc29c9633042765469540e4e8
