Nov 02 23:24:54.074 INFO testing cortex-a-2.2.2 against 1.30.0 for beta-1.31-1
Nov 02 23:24:54.076 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-5/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 23:24:54.460 INFO blam! 0c6548d1832878705da407769078997e6c4e393378b20f5a40fac71781174ab9
Nov 02 23:24:54.462 INFO running `"docker" "start" "-a" "0c6548d1832878705da407769078997e6c4e393378b20f5a40fac71781174ab9"`
Nov 02 23:24:55.766 INFO kablam! usermod: no changes
Nov 02 23:24:55.859 INFO kablam!    Compiling tock-registers v0.2.0
Nov 02 23:24:56.049 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Nov 02 23:24:56.049 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.2.0/src/lib.rs:5:1
Nov 02 23:24:56.049 INFO kablam!   |
Nov 02 23:24:56.049 INFO kablam! 5 | #![feature(const_fn)]
Nov 02 23:24:56.050 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Nov 02 23:24:56.051 INFO kablam! 
Nov 02 23:24:56.054 INFO kablam! error: aborting due to previous error
Nov 02 23:24:56.054 INFO kablam! 
Nov 02 23:24:56.054 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 02 23:24:56.067 INFO kablam! error: Could not compile `tock-registers`.
Nov 02 23:24:56.067 INFO kablam! 
Nov 02 23:24:56.067 INFO kablam! To learn more, run the command again with --verbose.
Nov 02 23:24:56.069 INFO kablam! su: No module specific data is present
Nov 02 23:24:57.387 INFO running `"docker" "rm" "-f" "0c6548d1832878705da407769078997e6c4e393378b20f5a40fac71781174ab9"`
Nov 02 23:24:57.747 INFO blam! 0c6548d1832878705da407769078997e6c4e393378b20f5a40fac71781174ab9
