Dec 03 00:16:09.378 INFO testing nrf51-0.5.2 against 1.30.1 for beta-1.31-5
Dec 03 00:16:09.378 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/1.30.1:/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 +1.30.1 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 03 00:16:09.688 INFO [stdout] 1290d2a69b0084b75bfcea2bce409aea88674181a481eb0bffdbfd4db6a1ae1f
Dec 03 00:16:09.691 INFO running `"docker" "start" "-a" "1290d2a69b0084b75bfcea2bce409aea88674181a481eb0bffdbfd4db6a1ae1f"`
Dec 03 00:16:10.470 INFO [stderr] usermod: no changes
Dec 03 00:16:10.562 INFO [stderr]    Compiling nrf51 v0.5.2 (/source)
Dec 03 00:16:10.562 INFO [stderr]    Compiling bare-metal v0.2.4
Dec 03 00:16:12.319 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 00:16:12.319 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.2.4/src/lib.rs:7:5
Dec 03 00:16:12.320 INFO [stderr]   |
Dec 03 00:16:12.320 INFO [stderr] 7 | /     feature(const_fn)
Dec 03 00:16:12.320 INFO [stderr] 8 | | )]
Dec 03 00:16:12.321 INFO [stderr]   | |_^
Dec 03 00:16:12.321 INFO [stderr] 
Dec 03 00:16:12.321 INFO [stderr] error: aborting due to previous error
Dec 03 00:16:12.321 INFO [stderr] 
Dec 03 00:16:12.322 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 00:16:12.325 INFO [stderr] error: Could not compile `bare-metal`.
Dec 03 00:16:12.325 INFO [stderr] 
Dec 03 00:16:12.325 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 00:16:12.327 INFO [stderr] su: No module specific data is present
Dec 03 00:16:13.168 INFO running `"docker" "inspect" "1290d2a69b0084b75bfcea2bce409aea88674181a481eb0bffdbfd4db6a1ae1f"`
Dec 03 00:16:13.359 INFO running `"docker" "rm" "-f" "1290d2a69b0084b75bfcea2bce409aea88674181a481eb0bffdbfd4db6a1ae1f"`
Dec 03 00:16:13.662 INFO [stdout] 1290d2a69b0084b75bfcea2bce409aea88674181a481eb0bffdbfd4db6a1ae1f
