Dec 02 13:50:30.354 INFO testing tlv_parser-0.4.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 13:50:30.354 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 02 13:50:30.586 INFO [stdout] c4db5bf47e401257fd32c9e52b2e7479057d056bf8a404f78ddc6e144fa38c42
Dec 02 13:50:30.588 INFO running `"docker" "start" "-a" "c4db5bf47e401257fd32c9e52b2e7479057d056bf8a404f78ddc6e144fa38c42"`
Dec 02 13:50:31.111 INFO [stderr] usermod: no changes
Dec 02 13:50:31.187 INFO [stderr]    Compiling failure v0.1.3
Dec 02 13:50:31.412 INFO [stderr]    Compiling tlv_parser v0.4.0 (/source)
Dec 02 13:50:32.187 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 13:50:32.187 INFO [stderr]  --> src/lib.rs:4:1
Dec 02 13:50:32.187 INFO [stderr]   |
Dec 02 13:50:32.188 INFO [stderr] 4 | #![feature(exact_size_is_empty)]
Dec 02 13:50:32.188 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 13:50:32.188 INFO [stderr] 
Dec 02 13:50:32.190 INFO [stderr] error: aborting due to previous error
Dec 02 13:50:32.190 INFO [stderr] 
Dec 02 13:50:32.191 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 13:50:32.200 INFO [stderr] error: Could not compile `tlv_parser`.
Dec 02 13:50:32.200 INFO [stderr] 
Dec 02 13:50:32.200 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 13:50:32.203 INFO [stderr] su: No module specific data is present
Dec 02 13:50:32.598 INFO running `"docker" "inspect" "c4db5bf47e401257fd32c9e52b2e7479057d056bf8a404f78ddc6e144fa38c42"`
Dec 02 13:50:32.727 INFO running `"docker" "rm" "-f" "c4db5bf47e401257fd32c9e52b2e7479057d056bf8a404f78ddc6e144fa38c42"`
Dec 02 13:50:32.869 INFO [stdout] c4db5bf47e401257fd32c9e52b2e7479057d056bf8a404f78ddc6e144fa38c42