Dec 03 11:17:46.426 INFO testing fuzztest-0.1.1 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 11:17:46.426 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 11:17:46.883 INFO [stdout] f95b06d1cf8ffd30f78ad3caebd096f4548c44bcb1f30bdfac2b003c0b18251b
Dec 03 11:17:46.888 INFO running `"docker" "start" "-a" "f95b06d1cf8ffd30f78ad3caebd096f4548c44bcb1f30bdfac2b003c0b18251b"`
Dec 03 11:17:47.608 INFO [stderr] usermod: no changes
Dec 03 11:17:47.704 INFO [stderr]    Compiling honggfuzz v0.5.34
Dec 03 11:17:47.708 INFO [stderr]    Compiling arbitrary v0.2.0
Dec 03 11:17:47.708 INFO [stderr]    Compiling lazy_static v1.2.0
Dec 03 11:17:52.270 INFO [stderr]    Compiling fuzztest v0.1.1 (/source)
Dec 03 11:17:52.857 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 11:17:52.857 INFO [stderr]  --> src/lib.rs:5:1
Dec 03 11:17:52.857 INFO [stderr]   |
Dec 03 11:17:52.857 INFO [stderr] 5 | #![feature(use_extern_macros, decl_macro)]
Dec 03 11:17:52.857 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 11:17:52.857 INFO [stderr] 
Dec 03 11:17:52.857 INFO [stderr] error: aborting due to previous error
Dec 03 11:17:52.857 INFO [stderr] 
Dec 03 11:17:52.857 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 11:17:52.860 INFO [stderr] error: Could not compile `fuzztest`.
Dec 03 11:17:52.860 INFO [stderr] 
Dec 03 11:17:52.860 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 11:17:52.861 INFO [stderr] su: No module specific data is present
Dec 03 11:17:53.405 INFO running `"docker" "inspect" "f95b06d1cf8ffd30f78ad3caebd096f4548c44bcb1f30bdfac2b003c0b18251b"`
Dec 03 11:17:53.625 INFO running `"docker" "rm" "-f" "f95b06d1cf8ffd30f78ad3caebd096f4548c44bcb1f30bdfac2b003c0b18251b"`
Dec 03 11:17:53.895 INFO [stdout] f95b06d1cf8ffd30f78ad3caebd096f4548c44bcb1f30bdfac2b003c0b18251b