Dec 02 21:53:11.108 INFO testing prometheus-static-metric-0.1.4 against 1.30.1 for beta-1.31-5
Dec 02 21:53:11.108 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 02 21:53:11.715 INFO [stdout] 53363da6332d464ac56f4f2812966dff8c2f7703b5bd489e306e176835698024
Dec 02 21:53:11.721 INFO running `"docker" "start" "-a" "53363da6332d464ac56f4f2812966dff8c2f7703b5bd489e306e176835698024"`
Dec 02 21:53:13.163 INFO [stderr] usermod: no changes
Dec 02 21:53:13.283 INFO [stderr]    Compiling prometheus-static-metric v0.1.4 (/source)
Dec 02 21:53:17.239 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 21:53:17.239 INFO [stderr]   --> src/lib.rs:14:1
Dec 02 21:53:17.239 INFO [stderr]    |
Dec 02 21:53:17.239 INFO [stderr] 14 | #![feature(proc_macro)]
Dec 02 21:53:17.239 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 21:53:17.239 INFO [stderr] 
Dec 02 21:53:17.242 INFO [stderr] error: aborting due to previous error
Dec 02 21:53:17.242 INFO [stderr] 
Dec 02 21:53:17.242 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 21:53:17.260 INFO [stderr] error: Could not compile `prometheus-static-metric`.
Dec 02 21:53:17.260 INFO [stderr] 
Dec 02 21:53:17.260 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 21:53:17.264 INFO [stderr] su: No module specific data is present
Dec 02 21:53:18.176 INFO running `"docker" "inspect" "53363da6332d464ac56f4f2812966dff8c2f7703b5bd489e306e176835698024"`
Dec 02 21:53:18.465 INFO running `"docker" "rm" "-f" "53363da6332d464ac56f4f2812966dff8c2f7703b5bd489e306e176835698024"`
Dec 02 21:53:18.711 INFO [stdout] 53363da6332d464ac56f4f2812966dff8c2f7703b5bd489e306e176835698024