Dec 02 23:08:29.573 INFO testing parse_torrent-0.5.2 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 23:08:29.573 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 02 23:08:29.999 INFO [stdout] 042c45f0b0591a41eb8b3ae87993cdb330121e574979927f69509f03fb1fb7af
Dec 02 23:08:30.001 INFO running `"docker" "start" "-a" "042c45f0b0591a41eb8b3ae87993cdb330121e574979927f69509f03fb1fb7af"`
Dec 02 23:08:31.331 INFO [stderr] usermod: no changes
Dec 02 23:08:31.479 INFO [stderr]    Compiling serde v1.0.80
Dec 02 23:08:31.487 INFO [stderr]    Compiling bencode v0.1.16
Dec 02 23:08:31.488 INFO [stderr]    Compiling serde_bencode v0.1.3
Dec 02 23:08:48.416 INFO [stderr]    Compiling serde_bytes v0.10.4
Dec 02 23:08:49.307 INFO [stderr]    Compiling parse_torrent v0.5.2 (/source)
Dec 02 23:08:50.703 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 23:08:50.703 INFO [stderr]  --> src/lib.rs:2:1
Dec 02 23:08:50.703 INFO [stderr]   |
Dec 02 23:08:50.703 INFO [stderr] 2 | #![feature(proc_macro)] // Rust nightly
Dec 02 23:08:50.703 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 23:08:50.703 INFO [stderr] 
Dec 02 23:08:50.703 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 23:08:50.703 INFO [stderr]  --> src/lib.rs:3:1
Dec 02 23:08:50.703 INFO [stderr]   |
Dec 02 23:08:50.703 INFO [stderr] 3 | #![feature(test)]
Dec 02 23:08:50.703 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 02 23:08:50.703 INFO [stderr] 
Dec 02 23:08:50.703 INFO [stderr] error: aborting due to 2 previous errors
Dec 02 23:08:50.703 INFO [stderr] 
Dec 02 23:08:50.703 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 23:08:50.723 INFO [stderr] error: Could not compile `parse_torrent`.
Dec 02 23:08:50.723 INFO [stderr] 
Dec 02 23:08:50.723 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 23:08:50.731 INFO [stderr] su: No module specific data is present
Dec 02 23:08:51.312 INFO running `"docker" "inspect" "042c45f0b0591a41eb8b3ae87993cdb330121e574979927f69509f03fb1fb7af"`
Dec 02 23:08:51.605 INFO running `"docker" "rm" "-f" "042c45f0b0591a41eb8b3ae87993cdb330121e574979927f69509f03fb1fb7af"`
Dec 02 23:08:51.835 INFO [stdout] 042c45f0b0591a41eb8b3ae87993cdb330121e574979927f69509f03fb1fb7af