Oct 31 21:03:02.268 INFO testing sinitcin/poll_devices against 1.30.0 for beta-1.31-1
Oct 31 21:03:02.268 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-4/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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"`
Oct 31 21:03:02.745 INFO blam! 58b89fbcff88bea7711d454a7108408da1c31ae08ec32aced825cb91984039ae
Oct 31 21:03:02.748 INFO running `"docker" "start" "-a" "58b89fbcff88bea7711d454a7108408da1c31ae08ec32aced825cb91984039ae"`
Oct 31 21:03:03.907 INFO kablam! usermod: no changes
Oct 31 21:03:04.102 INFO kablam!    Compiling ioctl-rs v0.1.6
Oct 31 21:03:04.102 INFO kablam!    Compiling serial-core v0.4.0
Oct 31 21:03:04.102 INFO kablam!    Compiling termios v0.2.2
Oct 31 21:03:04.102 INFO kablam!    Compiling libsqlite3-sys v0.9.3
Oct 31 21:03:04.102 INFO kablam!    Compiling libconfig v0.1.0 (/source/libconfig)
Oct 31 21:03:04.102 INFO kablam!    Compiling serde_json v1.0.27
Oct 31 21:03:04.102 INFO kablam!    Compiling uuid v0.5.1
Oct 31 21:03:05.804 INFO kablam!    Compiling serial-unix v0.4.0
Oct 31 21:03:07.081 INFO kablam!    Compiling serial v0.4.0
Oct 31 21:03:11.946 INFO kablam!    Compiling libengine v0.1.0 (/source/libengine)
Oct 31 21:03:12.279 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Oct 31 21:03:12.279 INFO kablam!  --> libengine/src/lib.rs:1:1
Oct 31 21:03:12.279 INFO kablam!   |
Oct 31 21:03:12.279 INFO kablam! 1 | #![feature(int_to_from_bytes)]
Oct 31 21:03:12.279 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 21:03:12.279 INFO kablam! 
Oct 31 21:03:12.279 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Oct 31 21:03:12.279 INFO kablam!  --> libengine/src/lib.rs:2:1
Oct 31 21:03:12.279 INFO kablam!   |
Oct 31 21:03:12.279 INFO kablam! 2 | #![feature(extern_prelude)]
Oct 31 21:03:12.279 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 21:03:12.279 INFO kablam! 
Oct 31 21:03:12.279 INFO kablam! error: aborting due to 2 previous errors
Oct 31 21:03:12.279 INFO kablam! 
Oct 31 21:03:12.279 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Oct 31 21:03:12.279 INFO kablam! error: Could not compile `libengine`.
Oct 31 21:03:12.279 INFO kablam! warning: build failed, waiting for other jobs to finish...
Oct 31 21:03:16.538 INFO kablam! error: build failed
Oct 31 21:03:16.547 INFO kablam! su: No module specific data is present
Oct 31 21:03:17.196 INFO running `"docker" "rm" "-f" "58b89fbcff88bea7711d454a7108408da1c31ae08ec32aced825cb91984039ae"`
Oct 31 21:03:17.455 INFO blam! 58b89fbcff88bea7711d454a7108408da1c31ae08ec32aced825cb91984039ae
