Dec 02 12:31:17.503 INFO testing unbase-0.0.2 against 1.30.1 for beta-1.31-5
Dec 02 12:31:17.504 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 12:31:17.723 INFO [stdout] 41fdb023e5a206a30d7a3ab5085f8202b934602195b838810af237d6d8d88e51
Dec 02 12:31:17.723 INFO running `"docker" "start" "-a" "41fdb023e5a206a30d7a3ab5085f8202b934602195b838810af237d6d8d88e51"`
Dec 02 12:31:18.334 INFO [stderr] usermod: no changes
Dec 02 12:31:18.519 INFO [stderr]    Compiling proc-macro2 v0.4.24
Dec 02 12:31:18.527 INFO [stderr]    Compiling futures-await-await-macro v0.1.1
Dec 02 12:31:18.528 INFO [stderr]    Compiling generic-array v0.6.0
Dec 02 12:31:19.087 INFO [stderr]    Compiling digest-buffer v0.2.0
Dec 02 12:31:19.087 INFO [stderr]    Compiling digest v0.4.0
Dec 02 12:31:19.799 INFO [stderr]    Compiling sha2 v0.4.2
Dec 02 12:31:25.736 INFO [stderr]    Compiling quote v0.6.10
Dec 02 12:31:29.471 INFO [stderr]    Compiling syn v0.14.9
Dec 02 12:31:44.451 INFO [stderr]    Compiling futures-await-async-macro v0.1.4
Dec 02 12:31:47.579 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 12:31:47.579 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-await-async-macro-0.1.4/src/lib.rs:12:1
Dec 02 12:31:47.579 INFO [stderr]    |
Dec 02 12:31:47.579 INFO [stderr] 12 | #![feature(proc_macro)]
Dec 02 12:31:47.579 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 12:31:47.579 INFO [stderr] 
Dec 02 12:31:47.587 INFO [stderr] error: aborting due to previous error
Dec 02 12:31:47.587 INFO [stderr] 
Dec 02 12:31:47.587 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 12:31:47.601 INFO [stderr] error: Could not compile `futures-await-async-macro`.
Dec 02 12:31:47.601 INFO [stderr] 
Dec 02 12:31:47.601 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 12:31:47.606 INFO [stderr] su: No module specific data is present
Dec 02 12:31:48.172 INFO running `"docker" "inspect" "41fdb023e5a206a30d7a3ab5085f8202b934602195b838810af237d6d8d88e51"`
Dec 02 12:31:48.385 INFO running `"docker" "rm" "-f" "41fdb023e5a206a30d7a3ab5085f8202b934602195b838810af237d6d8d88e51"`
Dec 02 12:31:48.469 INFO [stdout] 41fdb023e5a206a30d7a3ab5085f8202b934602195b838810af237d6d8d88e51
