Dec 03 18:48:15.757 INFO testing azure-functions-sdk-0.2.5 against 1.30.1 for beta-1.31-5
Dec 03 18:48:15.758 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 18:48:15.923 INFO [stdout] 12eabb89cd7490986f7d52222c46b222ae706056affc93b20cef95fb636fc365
Dec 03 18:48:15.924 INFO running `"docker" "start" "-a" "12eabb89cd7490986f7d52222c46b222ae706056affc93b20cef95fb636fc365"`
Dec 03 18:48:16.315 INFO [stderr] usermod: no changes
Dec 03 18:48:16.423 INFO [stderr]    Compiling azure-functions-sdk v0.2.5 (/source)
Dec 03 18:48:19.475 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 18:48:19.475 INFO [stderr]  --> src/main.rs:1:1
Dec 03 18:48:19.475 INFO [stderr]   |
Dec 03 18:48:19.475 INFO [stderr] 1 | #![feature(rust_2018_preview)]
Dec 03 18:48:19.475 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 18:48:19.475 INFO [stderr] 
Dec 03 18:48:19.475 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 18:48:19.475 INFO [stderr]  --> src/main.rs:2:1
Dec 03 18:48:19.475 INFO [stderr]   |
Dec 03 18:48:19.475 INFO [stderr] 2 | #![feature(in_band_lifetimes)]
Dec 03 18:48:19.475 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 18:48:19.475 INFO [stderr] 
Dec 03 18:48:19.475 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 18:48:19.475 INFO [stderr] 
Dec 03 18:48:19.475 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 18:48:19.483 INFO [stderr] error: Could not compile `azure-functions-sdk`.
Dec 03 18:48:19.483 INFO [stderr] 
Dec 03 18:48:19.483 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 18:48:19.483 INFO [stderr] su: No module specific data is present
Dec 03 18:48:19.742 INFO running `"docker" "inspect" "12eabb89cd7490986f7d52222c46b222ae706056affc93b20cef95fb636fc365"`
Dec 03 18:48:19.860 INFO running `"docker" "rm" "-f" "12eabb89cd7490986f7d52222c46b222ae706056affc93b20cef95fb636fc365"`
Dec 03 18:48:19.985 INFO [stdout] 12eabb89cd7490986f7d52222c46b222ae706056affc93b20cef95fb636fc365