Dec 03 18:07:32.811 INFO testing bitflags-core-0.3.4 against 1.30.1 for beta-1.31-5
Dec 03 18:07:32.811 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 18:07:33.235 INFO [stdout] c02ff4b8f3d3a1fd750368ba4e372f7b5b338755eacab913fa662d395dcc452c
Dec 03 18:07:33.238 INFO running `"docker" "start" "-a" "c02ff4b8f3d3a1fd750368ba4e372f7b5b338755eacab913fa662d395dcc452c"`
Dec 03 18:07:35.038 INFO [stderr] usermod: no changes
Dec 03 18:07:35.119 INFO [stderr]    Compiling bitflags-core v0.3.4 (/source)
Dec 03 18:07:35.273 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 18:07:35.273 INFO [stderr]   --> src/lib.rs:11:1
Dec 03 18:07:35.273 INFO [stderr]    |
Dec 03 18:07:35.273 INFO [stderr] 11 | #![feature(no_std)]
Dec 03 18:07:35.273 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 03 18:07:35.273 INFO [stderr] 
Dec 03 18:07:35.273 INFO [stderr] error: aborting due to previous error
Dec 03 18:07:35.273 INFO [stderr] 
Dec 03 18:07:35.273 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 18:07:35.275 INFO [stderr] error: Could not compile `bitflags-core`.
Dec 03 18:07:35.275 INFO [stderr] 
Dec 03 18:07:35.275 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 18:07:35.275 INFO [stderr] su: No module specific data is present
Dec 03 18:07:35.987 INFO running `"docker" "inspect" "c02ff4b8f3d3a1fd750368ba4e372f7b5b338755eacab913fa662d395dcc452c"`
Dec 03 18:07:36.289 INFO running `"docker" "rm" "-f" "c02ff4b8f3d3a1fd750368ba4e372f7b5b338755eacab913fa662d395dcc452c"`
Dec 03 18:07:36.631 INFO [stdout] c02ff4b8f3d3a1fd750368ba4e372f7b5b338755eacab913fa662d395dcc452c