Dec 03 00:15:50.984 INFO testing nrf51-hal-0.5.5 against 1.30.1 for beta-1.31-5
Dec 03 00:15:50.984 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 00:15:51.419 INFO [stdout] 4a90aa9eb560c83b46c3154aedc7ff53642d2afbb1b6585b5ee2ab14e5cff160
Dec 03 00:15:51.421 INFO running `"docker" "start" "-a" "4a90aa9eb560c83b46c3154aedc7ff53642d2afbb1b6585b5ee2ab14e5cff160"`
Dec 03 00:15:51.925 INFO [stderr] usermod: no changes
Dec 03 00:15:52.001 INFO [stderr]    Compiling semver-parser v0.7.0
Dec 03 00:15:52.003 INFO [stderr]    Compiling proc-macro2 v0.4.24
Dec 03 00:15:52.003 INFO [stderr]    Compiling unicode-xid v0.1.0
Dec 03 00:15:52.003 INFO [stderr]    Compiling rand_core v0.3.0
Dec 03 00:15:52.003 INFO [stderr]    Compiling cortex-m v0.5.8
Dec 03 00:15:52.003 INFO [stderr]    Compiling cortex-m-rt v0.6.5
Dec 03 00:15:52.003 INFO [stderr]    Compiling vcell v0.1.0
Dec 03 00:15:52.003 INFO [stderr]    Compiling aligned v0.2.0
Dec 03 00:15:52.559 INFO [stderr]    Compiling nrf51 v0.5.2
Dec 03 00:15:53.397 INFO [stderr]    Compiling r0 v0.2.2
Dec 03 00:15:54.471 INFO [stderr]    Compiling nb v0.1.1
Dec 03 00:15:54.480 INFO [stderr]    Compiling void v1.0.2
Dec 03 00:15:55.361 INFO [stderr]    Compiling cast v0.2.2
Dec 03 00:15:55.540 INFO [stderr]    Compiling volatile-register v0.2.0
Dec 03 00:15:55.738 INFO [stderr]    Compiling rand_core v0.2.2
Dec 03 00:15:56.260 INFO [stderr]    Compiling embedded-hal v0.2.2
Dec 03 00:15:56.274 INFO [stderr]    Compiling rand v0.5.5
Dec 03 00:15:59.571 INFO [stderr]    Compiling semver v0.9.0
Dec 03 00:16:02.312 INFO [stderr]    Compiling rustc_version v0.2.3
Dec 03 00:16:05.130 INFO [stderr]    Compiling bare-metal v0.2.4
Dec 03 00:16:06.503 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 00:16:06.503 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.2.4/src/lib.rs:7:5
Dec 03 00:16:06.503 INFO [stderr]   |
Dec 03 00:16:06.503 INFO [stderr] 7 | /     feature(const_fn)
Dec 03 00:16:06.503 INFO [stderr] 8 | | )]
Dec 03 00:16:06.503 INFO [stderr]   | |_^
Dec 03 00:16:06.503 INFO [stderr] 
Dec 03 00:16:06.503 INFO [stderr] error: aborting due to previous error
Dec 03 00:16:06.503 INFO [stderr] 
Dec 03 00:16:06.504 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 00:16:06.508 INFO [stderr] error: Could not compile `bare-metal`.
Dec 03 00:16:06.509 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 00:16:08.592 INFO [stderr] error: build failed
Dec 03 00:16:08.592 INFO [stderr] su: No module specific data is present
Dec 03 00:16:08.922 INFO running `"docker" "inspect" "4a90aa9eb560c83b46c3154aedc7ff53642d2afbb1b6585b5ee2ab14e5cff160"`
Dec 03 00:16:09.093 INFO running `"docker" "rm" "-f" "4a90aa9eb560c83b46c3154aedc7ff53642d2afbb1b6585b5ee2ab14e5cff160"`
Dec 03 00:16:09.271 INFO [stdout] 4a90aa9eb560c83b46c3154aedc7ff53642d2afbb1b6585b5ee2ab14e5cff160
