Dec 03 00:33:53.752 INFO testing nibble-0.1.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 00:33:53.752 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 00:33:54.271 INFO [stdout] f1ff03bf8549d03047bab993f7368460cdf283f6a77656b025b3e9f6b73ab342
Dec 03 00:33:54.279 INFO running `"docker" "start" "-a" "f1ff03bf8549d03047bab993f7368460cdf283f6a77656b025b3e9f6b73ab342"`
Dec 03 00:33:55.459 INFO [stderr] usermod: no changes
Dec 03 00:33:55.512 INFO [stderr]    Compiling arrayvec v0.4.8
Dec 03 00:33:57.011 INFO [stderr]    Compiling nibble v0.1.0 (/source)
Dec 03 00:33:58.043 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 00:33:58.043 INFO [stderr]  --> src/lib.rs:6:1
Dec 03 00:33:58.043 INFO [stderr]   |
Dec 03 00:33:58.043 INFO [stderr] 6 | #![feature(try_from)]
Dec 03 00:33:58.043 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 03 00:33:58.043 INFO [stderr] 
Dec 03 00:33:58.043 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 00:33:58.043 INFO [stderr]  --> src/lib.rs:8:1
Dec 03 00:33:58.043 INFO [stderr]   |
Dec 03 00:33:58.043 INFO [stderr] 8 | #![feature(trace_macros)]
Dec 03 00:33:58.043 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 00:33:58.043 INFO [stderr] 
Dec 03 00:33:58.043 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 00:33:58.043 INFO [stderr] 
Dec 03 00:33:58.043 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 00:33:58.045 INFO [stderr] error: Could not compile `nibble`.
Dec 03 00:33:58.045 INFO [stderr] 
Dec 03 00:33:58.045 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 00:33:58.051 INFO [stderr] su: No module specific data is present
Dec 03 00:33:58.995 INFO running `"docker" "inspect" "f1ff03bf8549d03047bab993f7368460cdf283f6a77656b025b3e9f6b73ab342"`
Dec 03 00:33:59.213 INFO running `"docker" "rm" "-f" "f1ff03bf8549d03047bab993f7368460cdf283f6a77656b025b3e9f6b73ab342"`
Dec 03 00:33:59.515 INFO [stdout] f1ff03bf8549d03047bab993f7368460cdf283f6a77656b025b3e9f6b73ab342
